Merge branch 'main-design' into devs/design-merge

# Conflicts:
#	src/main/resources/logback-spring.xml

src/main/java/com/eactive/apim/portal/apps/apis/controller/ApiController.java

@@ -1,6 +1,7 @@
 package com.eactive.apim.portal.apps.apis.controller;
 
 
+import com.eactive.apim.portal.apps.apis.dto.ApiSearchData;
 import com.eactive.apim.portal.apps.apis.dto.ApiSpecInfoDto;
 import com.eactive.apim.portal.apps.apis.service.ApiSearchFacade;
 import com.eactive.apim.portal.apps.apis.service.ApiService;
@@ -24,6 +25,7 @@ import org.springframework.web.bind.annotation.RequestParam;
 @RequestMapping("/apis")
 @RequiredArgsConstructor
 public class ApiController {
+
     private static final String NOT_FOUND_MESSAGE = "찾을 수 없습니다.";
     private final ApiService apiService;
     private final ApiServiceService apiServiceService;
@@ -33,15 +35,20 @@ public class ApiController {
 
     @GetMapping("/detail")
     public String apidetail(@RequestParam(value = "id", required = false) String id, ModelMap model) {
-        if( id ==null) {
+        if (id == null) {
             return "redirect:/apis/common";
         }
 
         ApiSpecInfoDto api = apiService.selectDetail(id);
-        if(api==null){
+        if (api == null) {
             throw new NotFoundException(NOT_FOUND_MESSAGE);
         }
+
+        Map<String, Object> searchResult = apiSearchFacade.searchApis(new ApiGroupSearch());
+
         model.addAttribute("apiSpecInfo", api);
+        model.addAttribute("totalApiCount", searchResult.get("totalApiCount"));
+        model.addAttribute("services", searchResult.get("services"));
         return "apps/apis/mainApiDetail";
     }
 
@@ -54,7 +61,7 @@ public class ApiController {
         model.addAttribute("apis", searchResult.get("apis"));
         model.addAttribute("totalApiCount", searchResult.get("totalApiCount"));
         model.addAttribute("selectedApiCount", searchResult.get("selectedApiCount"));
-        model.addAttribute("selected", search.getGroupIds().size() >0 ? search.getGroupIds().get(0) : "-1");
+        model.addAttribute("selected", search.getGroupIds().size() > 0 ? search.getGroupIds().get(0) : "-1");
 
         return "apps/apis/mainApiList";
     }

src/main/java/com/eactive/apim/portal/apps/apis/controller/TestbedSpecController.java

@@ -1,7 +1,11 @@
 package com.eactive.apim.portal.apps.apis.controller;
 
+import com.eactive.apim.portal.apispec.entity.ApiSpecInfo;
+import com.eactive.apim.portal.apispec.service.ApiSpecInfoService;
+import com.eactive.apim.portal.apps.apis.service.ApiService;
 import com.eactive.apim.portal.apps.apiservice.service.ApiSpecService;
 import java.io.IOException;
+import java.util.Optional;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ClassPathResource;
@@ -10,6 +14,7 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.util.FileCopyUtils;
+import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -21,7 +26,7 @@ import org.springframework.web.bind.annotation.RestController;
 public class TestbedSpecController {
 
     @Autowired
-    ApiSpecService apiSpecService;
+    private ApiSpecInfoService apiSpecInfoService;
 
     private static final String DEFAULT_TOKEN_API_ID = "default-token-api-spec";
     private static final String DEFAULT_SPEC_PATH = "swagger/default-token-api-spec.json";
@@ -40,12 +45,12 @@ public class TestbedSpecController {
             }
         }
 
-        String testbedSpec = apiSpecService.generateApiServiceTestbedSpec(id);
+        Optional<ApiSpecInfo> spec = apiSpecInfoService.findById(id);
 
-        if (testbedSpec.isEmpty()) {
-            return ResponseEntity.notFound().build();
-        } else {
-            return ResponseEntity.ok().body(testbedSpec);
+        if (!spec.isPresent()) {
+            StringUtils.hasText(spec.get().getTestbedSpec());
         }
+        return ResponseEntity.ok().body(spec.get().getTestbedSpec());
+
     }
 }

src/main/java/com/eactive/apim/portal/apps/apis/dto/ApiSpecInfoDto.java

@@ -44,4 +44,6 @@ public class ApiSpecInfoDto {
     private String displayOrg;
 
     private String displayRoleCode;
+
+    private String apiGroupName;
 }

src/main/java/com/eactive/apim/portal/apps/apis/service/ApiSearchFacadeImpl.java

@@ -113,7 +113,11 @@ public class ApiSearchFacadeImpl implements ApiSearchFacade {
                 .collect(Collectors.toSet());
 
         filteredApis.forEach(api -> {
-            api.setMainIcon(apiData.getServicesByApiId().get(api.getApiId()).getMainIcon());
+            ApiServiceDTO service = apiData.getServicesByApiId().get(api.getApiId());
+            if (service != null) {
+                api.setMainIcon(service.getMainIcon());
+                api.setApiGroupName(service.getGroupName());
+            }
         });
 
         List<ApiServiceDTO> servicesToReturn = apiData.getAllServices().stream()
@@ -143,6 +147,7 @@ public class ApiSearchFacadeImpl implements ApiSearchFacade {
         result.put("services", servicesToReturn);
         result.put("apis", sortedApis);
         result.put("selectedApiCount", sortedApis.size());
+        result.put("totalApiCount", apiData.getApiSpecsById().size());
 
         return result;
     }

src/main/java/com/eactive/apim/portal/apps/main/service/MainApiFacade.java

@@ -12,6 +12,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -51,9 +52,12 @@ public class MainApiFacade {
 
     public List<String> getHashTags() {
         Map<String, String> property = portalPropertyService.getPortalPropertiesAsMap(PORTAL_PROPERTY);
-        String hashTags = property.getOrDefault("main.keyword.list", "#인증, #대출, #예금");
-        //split with , and return as a list
-        return Arrays.asList(hashTags.split(","));
+        String hashTags = property.getOrDefault("main.keyword.list", "#계좌조회, #송금API, #실시간결제, #오픈뱅킹");
+        //split with , and clean each tag (remove # and trim)
+        return Arrays.stream(hashTags.split(","))
+                .map(tag -> tag.trim().replaceFirst("^#", ""))
+                .filter(tag -> !tag.isEmpty())
+                .collect(Collectors.toList());
     }
 
     public List<ApiSpecInfoDto> getOpenApis(List<String> apiIds) {

src/main/java/com/eactive/apim/portal/config/PortalConfigWebDispatcherServlet.java

@@ -69,7 +69,7 @@ public class PortalConfigWebDispatcherServlet implements WebMvcConfigurer {
         registry.addResourceHandler("/img/**").addResourceLocations("/img/", "classpath:/static/img/").setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS)).resourceChain(true).addResolver(new PathResourceResolver());
         registry.addResourceHandler("/js/**").addResourceLocations("/js/", "classpath:/static/js/").setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS)).resourceChain(true).addResolver(new PathResourceResolver());
         registry.addResourceHandler("/plugins/**").addResourceLocations("/plugins/", "classpath:/static/plugins/").setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS)).resourceChain(true).addResolver(new PathResourceResolver());
-        registry.addResourceHandler("/favicon_16px.png").addResourceLocations("/favicon_16px.png", "classpath:/static/favicon_16px.png").setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS)).resourceChain(true).addResolver(new PathResourceResolver());
+        registry.addResourceHandler("/favicon.ico").addResourceLocations("/favicon.ico", "classpath:/static/favicon.ico").setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS)).resourceChain(true).addResolver(new PathResourceResolver());
     }
 
 

src/main/resources/logback-spring.xml

@@ -3,11 +3,11 @@
 
     <property name="LOG_PATH" value="${profileLogPath}/${inst.Name:-devSvr00}"/>
 
-<!--    <springProfile name="gf63">-->
-<!--        <property name="LOG_PATH" value="d:/kjb-logs/${inst.Name:-devSvr00}"/>-->
-<!--    </springProfile>-->
+    <!--    <springProfile name="gf63">-->
+    <!--        <property name="LOG_PATH" value="d:/kjb-logs/${inst.Name:-devSvr00}"/>-->
+    <!--    </springProfile>-->
 
-<!--    <property name="CONSOLE_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %magenta([%thread]) %highlight([%-3level]) %logger{5} - %msg %n" />-->
+    <!--    <property name="CONSOLE_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %magenta([%thread]) %highlight([%-3level]) %logger{5} - %msg %n" />-->
     <property name="CONSOLE_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %magenta([%thread]) %highlight([%-3level]) %logger - %msg %n" />
 
 
@@ -102,7 +102,7 @@
         </logger>
         <logger name="org.hibernate.engine.jdbc.spi.SqlExceptionHelper" additivity="false">
             <appender-ref ref="HIBERNATE_APPENDER" />
-        ></logger>
+            ></logger>
 
         <logger name="com.eactive.eapim" level="DEBUG" additivity="false"/>
         <logger name="kjb.safedb" level="DEBUG" additivity="false">
@@ -116,9 +116,9 @@
             <appender-ref ref="CONSOLE"/>
         </root>
 
-<!--        <root level="DEBUG">-->
-<!--            <appender-ref ref="ROLLING"/>-->
-<!--            <appender-ref ref="CONSOLE"/>-->
-<!--        </root>-->
+        <!--        <root level="DEBUG">-->
+        <!--            <appender-ref ref="ROLLING"/>-->
+        <!--            <appender-ref ref="CONSOLE"/>-->
+        <!--        </root>-->
     </springProfile>
 </configuration>

src/main/resources/static/sass/abstracts/_mixins.scss

@@ -0,0 +1,144 @@
+// -----------------------------------------------------------------------------
+// This file contains all application-wide SASS mixins
+// -----------------------------------------------------------------------------
+
+// Media query mixins
+@mixin respond-to($breakpoint) {
+  @if $breakpoint == 'xs' {
+    @media (max-width: #{$breakpoint-xs}) { @content; }
+  } @else if $breakpoint == 'sm' {
+    @media (max-width: #{$breakpoint-sm}) { @content; }
+  } @else if $breakpoint == 'md' {
+    @media (max-width: #{$breakpoint-md}) { @content; }
+  } @else if $breakpoint == 'lg' {
+    @media (min-width: #{$breakpoint-lg}) { @content; }
+  } @else if $breakpoint == 'xl' {
+    @media (min-width: #{$breakpoint-xl}) { @content; }
+  } @else if $breakpoint == 'mobile' {
+    @media (max-width: #{$breakpoint-lg}) { @content; }
+  } @else if $breakpoint == 'tablet' {
+    @media (max-width: #{$breakpoint-md}) { @content; }
+  }
+}
+
+// Flexbox mixins
+@mixin flex-center {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+@mixin flex-between {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+// Button mixin
+@mixin button-base {
+  display: inline-flex;
+  align-items: center;
+  gap: $spacing-sm;
+  padding: $button-padding-y $button-padding-x;
+  border-radius: $border-radius-lg;
+  font-weight: $font-weight-semibold;
+  font-size: $font-size-base;
+  text-decoration: none;
+  transition: $transition-base;
+  cursor: pointer;
+  border: none;
+
+  &:hover {
+    transform: translateY(-3px);
+  }
+}
+
+// Card mixin
+@mixin card {
+  background: $white;
+  border-radius: $border-radius-2xl;
+  padding: $card-padding;
+  transition: $transition-base;
+
+  &:hover {
+    transform: translateY(-5px);
+    box-shadow: $shadow-lg;
+  }
+}
+
+// Gradient text
+@mixin gradient-text($gradient) {
+  background: $gradient;
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+// Truncate text
+@mixin text-truncate {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+// Absolute center
+@mixin absolute-center {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+}
+
+// Backdrop blur
+@mixin backdrop-blur($amount: 10px) {
+  backdrop-filter: blur($amount);
+  -webkit-backdrop-filter: blur($amount);
+}
+
+// Animation mixins
+@mixin animate-float {
+  animation: float 20s ease-in-out infinite;
+}
+
+@mixin animate-bounce {
+  animation: bounce 2s infinite;
+}
+
+@mixin animate-slide-in-down {
+  animation: slideInDown 0.6s ease-out;
+}
+
+@mixin animate-slide-in-up {
+  animation: slideInUp 0.8s ease-out;
+}
+
+@mixin animate-fade-in {
+  animation: fadeIn 1.2s ease-out;
+}
+
+// Hover lift effect
+@mixin hover-lift {
+  transition: $transition-base;
+
+  &:hover {
+    transform: translateY(-8px);
+    box-shadow: $shadow-xl;
+  }
+}
+
+// Glass effect
+@mixin glass-effect {
+  background: rgba($white, 0.95);
+  @include backdrop-blur(10px);
+  border: 1px solid rgba($white, 0.18);
+}
+
+// Pattern circle
+@mixin pattern-circle($size, $color) {
+  width: $size;
+  height: $size;
+  background: $color;
+  border-radius: 50%;
+  opacity: 0.1;
+  position: absolute;
+}

src/main/resources/static/sass/abstracts/_variables.scss

@@ -0,0 +1,121 @@
+// -----------------------------------------------------------------------------
+// This file contains all application-wide SASS variables
+// Based on design/styles-v2.css - Modern vibrant design system
+// -----------------------------------------------------------------------------
+
+// Color Palette - Vibrant and Modern
+// Primary colors
+$primary-blue: #4B9BFF;          // Bright blue (main brand color)
+$secondary-blue: #2E7FF7;        // Deep blue
+$accent-cyan: #00D4FF;           // Sky blue accent
+$accent-yellow: #FFD93D;         // Yellow accent
+$accent-orange: #FF6B6B;         // Orange accent
+$accent-green: #6BCF7F;          // Green accent
+$accent-purple: #A78BFA;         // Purple accent
+
+// Neutral colors
+$text-dark: #1A1A2E;             // Main text color
+$text-gray: #64748B;             // Secondary text
+$text-light: #94A3B8;            // Light text
+$white: #FFFFFF;                 // Pure white
+$gray-bg: #F8FAFC;              // Light background
+$light-bg: #EFF6FF;              // Blue tinted background
+$border-gray: #E2E8F0;           // Border color
+$black: #000000;                 // Pure black
+$gray-800: #1F2937;              // Dark gray
+$gray-900: #111827;              // Darker gray
+
+// Gradients
+$gradient-primary: linear-gradient(135deg, $primary-blue 0%, $secondary-blue 100%);
+$gradient-accent: linear-gradient(135deg, $accent-cyan 0%, $primary-blue 100%);
+$gradient-warm: linear-gradient(135deg, $accent-yellow 0%, $accent-orange 100%);
+
+// Shadows
+$shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
+$shadow-md: 0 4px 12px rgba(75, 155, 255, 0.1);
+$shadow-lg: 0 8px 24px rgba(75, 155, 255, 0.15);
+$shadow-xl: 0 16px 40px rgba(75, 155, 255, 0.2);
+
+// Typography
+$font-family-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
+$font-family-mono: 'Fira Code', 'Courier New', monospace;
+
+// Font sizes
+$font-size-xs: 12px;
+$font-size-sm: 14px;
+$font-size-base: 16px;
+$font-size-md: 18px;
+$font-size-lg: 20px;
+$font-size-xl: 24px;
+$font-size-2xl: 32px;
+$font-size-3xl: 40px;
+$font-size-4xl: 48px;
+$font-size-5xl: 56px;
+
+// Font weights
+$font-weight-regular: 400;
+$font-weight-medium: 500;
+$font-weight-semibold: 600;
+$font-weight-bold: 700;
+$font-weight-extrabold: 800;
+
+// Line heights
+$line-height-tight: 1.2;
+$line-height-normal: 1.6;
+$line-height-loose: 1.8;
+
+// Spacing
+$spacing-xs: 4px;
+$spacing-sm: 8px;
+$spacing-md: 16px;
+$spacing-lg: 24px;
+$spacing-xl: 32px;
+$spacing-2xl: 40px;
+$spacing-3xl: 48px;
+$spacing-4xl: 64px;
+$spacing-5xl: 80px;
+$spacing-6xl: 100px;
+
+// Border radius
+$border-radius-sm: 6px;
+$border-radius-md: 8px;
+$border-radius-lg: 12px;
+$border-radius-xl: 16px;
+$border-radius-2xl: 20px;
+$border-radius-full: 50px;
+$border-radius-circle: 50%;
+
+// Layout
+$container-max-width: 1280px;
+$header-height: 80px;
+
+// Breakpoints
+$breakpoint-xs: 480px;
+$breakpoint-sm: 768px;
+$breakpoint-md: 1024px;
+$breakpoint-lg: 1280px;
+$breakpoint-xl: 1440px;
+
+// Z-index
+$z-index-dropdown: 100;
+$z-index-sticky: 200;
+$z-index-fixed: 300;
+$z-index-header: 350;
+$z-index-modal-backdrop: 400;
+$z-index-modal: 500;
+$z-index-popover: 600;
+$z-index-tooltip: 700;
+$z-index-notification: 800;
+
+// Animation
+$transition-base: all 0.3s ease;
+$transition-fast: all 0.15s ease;
+$transition-slow: all 0.5s ease;
+
+// Component specific variables
+$button-padding-x: 32px;
+$button-padding-y: 16px;
+$card-padding: 32px;
+$input-padding-x: 16px;
+$input-padding-y: 12px;
+$input-height: 48px;

src/main/resources/static/sass/base/_animations.scss

@@ -0,0 +1,330 @@
+// -----------------------------------------------------------------------------
+// Animation keyframes and utilities
+// -----------------------------------------------------------------------------
+
+// Float animation
+@keyframes float {
+  0%, 100% {
+    transform: translateY(0) rotate(0deg);
+  }
+  50% {
+    transform: translateY(-30px) rotate(10deg);
+  }
+}
+
+// Bounce animation
+@keyframes bounce {
+  0%, 100% {
+    transform: translateY(0);
+  }
+  50% {
+    transform: translateY(-10px);
+  }
+}
+
+// Slide in from top
+@keyframes slideInDown {
+  from {
+    opacity: 0;
+    transform: translateY(-30px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+// Slide in from bottom
+@keyframes slideInUp {
+  from {
+    opacity: 0;
+    transform: translateY(30px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+// Slide in from left
+@keyframes slideInLeft {
+  from {
+    opacity: 0;
+    transform: translateX(-30px);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+// Slide in from right
+@keyframes slideInRight {
+  from {
+    opacity: 0;
+    transform: translateX(30px);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+// Fade in
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+// Fade in and scale
+@keyframes fadeInScale {
+  from {
+    opacity: 0;
+    transform: scale(0.9);
+  }
+  to {
+    opacity: 1;
+    transform: scale(1);
+  }
+}
+
+// Spin
+@keyframes spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+// Pulse
+@keyframes pulse {
+  0% {
+    transform: scale(1);
+  }
+  50% {
+    transform: scale(1.05);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+// Shimmer effect
+@keyframes shimmer {
+  0% {
+    transform: translateX(-100%) rotate(45deg);
+  }
+  100% {
+    transform: translateX(100%) rotate(45deg);
+  }
+}
+
+// Wave
+@keyframes wave {
+  0% {
+    transform: rotate(0deg);
+  }
+  10% {
+    transform: rotate(14deg);
+  }
+  20% {
+    transform: rotate(-8deg);
+  }
+  30% {
+    transform: rotate(14deg);
+  }
+  40% {
+    transform: rotate(-4deg);
+  }
+  50% {
+    transform: rotate(10deg);
+  }
+  60% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(0deg);
+  }
+}
+
+// Pop in
+@keyframes popIn {
+  0% {
+    opacity: 0;
+    transform: scale(0.5);
+  }
+  80% {
+    transform: scale(1.1);
+  }
+  100% {
+    opacity: 1;
+    transform: scale(1);
+  }
+}
+
+// Popup fade in (for modals)
+@keyframes popupFadeIn {
+  from {
+    opacity: 0;
+    transform: scale(0.95);
+  }
+  to {
+    opacity: 1;
+    transform: scale(1);
+  }
+}
+
+// Ripple effect
+@keyframes ripple {
+  0% {
+    transform: scale(0);
+    opacity: 1;
+  }
+  100% {
+    transform: scale(4);
+    opacity: 0;
+  }
+}
+
+// Gradient animation
+@keyframes gradientShift {
+  0% {
+    background-position: 0% 50%;
+  }
+  50% {
+    background-position: 100% 50%;
+  }
+  100% {
+    background-position: 0% 50%;
+  }
+}
+
+// Animation utility classes
+.animate-float {
+  animation: float 20s ease-in-out infinite;
+}
+
+.animate-bounce {
+  animation: bounce 2s infinite;
+}
+
+.animate-spin {
+  animation: spin 1s linear infinite;
+}
+
+.animate-pulse {
+  animation: pulse 2s ease-in-out infinite;
+}
+
+.animate-fade-in {
+  animation: fadeIn 0.6s ease-out;
+}
+
+.animate-slide-up {
+  animation: slideInUp 0.8s ease-out;
+}
+
+.animate-slide-down {
+  animation: slideInDown 0.6s ease-out;
+}
+
+.animate-pop {
+  animation: popIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
+}
+
+// Animation delays
+.delay-1 {
+  animation-delay: 0.1s;
+}
+
+.delay-2 {
+  animation-delay: 0.2s;
+}
+
+.delay-3 {
+  animation-delay: 0.3s;
+}
+
+.delay-4 {
+  animation-delay: 0.4s;
+}
+
+.delay-5 {
+  animation-delay: 0.5s;
+}
+
+// Animation durations
+.duration-fast {
+  animation-duration: 0.3s;
+}
+
+.duration-normal {
+  animation-duration: 0.6s;
+}
+
+.duration-slow {
+  animation-duration: 1s;
+}
+
+.duration-slower {
+  animation-duration: 2s;
+}
+
+// Hover animation triggers
+.hover-grow {
+  transition: transform 0.3s ease;
+
+  &:hover {
+    transform: scale(1.05);
+  }
+}
+
+.hover-lift {
+  transition: transform 0.3s ease, box-shadow 0.3s ease;
+
+  &:hover {
+    transform: translateY(-5px);
+    box-shadow: $shadow-lg;
+  }
+}
+
+.hover-rotate {
+  transition: transform 0.3s ease;
+
+  &:hover {
+    transform: rotate(5deg);
+  }
+}
+
+.hover-shine {
+  position: relative;
+  overflow: hidden;
+
+  &::before {
+    content: '';
+    position: absolute;
+    top: -50%;
+    left: -50%;
+    width: 200%;
+    height: 200%;
+    background: linear-gradient(
+      45deg,
+      transparent 30%,
+      rgba(255, 255, 255, 0.2) 50%,
+      transparent 70%
+    );
+    transform: rotate(45deg);
+    transition: transform 0.6s ease;
+    transform: translateX(-200%);
+  }
+
+  &:hover::before {
+    transform: translateX(200%) rotate(45deg);
+  }
+}

src/main/resources/static/sass/base/_reset.scss

@@ -0,0 +1,95 @@
+// -----------------------------------------------------------------------------
+// Reset and normalize styles
+// -----------------------------------------------------------------------------
+
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+html {
+  font-size: 16px;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  text-rendering: optimizeLegibility;
+}
+
+body {
+  font-family: $font-family-primary;
+  line-height: $line-height-normal;
+  color: $text-dark;
+  background-color: $white;
+  overflow-x: hidden;
+}
+
+// Lists
+ul, ol {
+  list-style: none;
+}
+
+// Links
+a {
+  text-decoration: none;
+  color: inherit;
+  transition: $transition-base;
+}
+
+// Images
+img {
+  max-width: 100%;
+  height: auto;
+  display: block;
+}
+
+// Buttons
+button {
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+  cursor: pointer;
+  background: transparent;
+  border: none;
+  padding: 0;
+}
+
+// Forms
+input,
+textarea,
+select {
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+  border: none;
+  outline: none;
+}
+
+// Tables
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+
+// Headings
+h1, h2, h3, h4, h5, h6 {
+  font-weight: $font-weight-bold;
+  line-height: $line-height-tight;
+}
+
+// Semantic HTML5 elements
+article, aside, details, figcaption, figure,
+footer, header, hgroup, main, menu, nav,
+section, summary {
+  display: block;
+}
+
+// Selection
+::selection {
+  background-color: rgba($primary-blue, 0.2);
+  color: $text-dark;
+}
+
+::-moz-selection {
+  background-color: rgba($primary-blue, 0.2);
+  color: $text-dark;
+}

src/main/resources/static/sass/base/_typography.scss

@@ -0,0 +1,219 @@
+// -----------------------------------------------------------------------------
+// Basic typography styles
+// -----------------------------------------------------------------------------
+
+// Body text
+body {
+  font-size: $font-size-base;
+  font-weight: $font-weight-regular;
+  color: $text-dark;
+}
+
+// Headings
+h1, .h1 {
+  font-size: $font-size-5xl;
+  font-weight: $font-weight-extrabold;
+  margin-bottom: $spacing-lg;
+
+  @include respond-to('sm') {
+    font-size: $font-size-3xl;
+  }
+
+  @include respond-to('xs') {
+    font-size: $font-size-2xl;
+  }
+}
+
+h2, .h2 {
+  font-size: $font-size-4xl;
+  font-weight: $font-weight-bold;
+  margin-bottom: $spacing-md;
+
+  @include respond-to('sm') {
+    font-size: $font-size-2xl;
+  }
+
+  @include respond-to('xs') {
+    font-size: $font-size-xl;
+  }
+}
+
+h3, .h3 {
+  font-size: $font-size-3xl;
+  font-weight: $font-weight-bold;
+  margin-bottom: $spacing-md;
+
+  @include respond-to('sm') {
+    font-size: $font-size-xl;
+  }
+}
+
+h4, .h4 {
+  font-size: $font-size-2xl;
+  font-weight: $font-weight-semibold;
+  margin-bottom: $spacing-sm;
+}
+
+h5, .h5 {
+  font-size: $font-size-xl;
+  font-weight: $font-weight-semibold;
+  margin-bottom: $spacing-sm;
+}
+
+h6, .h6 {
+  font-size: $font-size-lg;
+  font-weight: $font-weight-semibold;
+  margin-bottom: $spacing-sm;
+}
+
+// Paragraphs
+p {
+  margin-bottom: $spacing-md;
+  line-height: $line-height-normal;
+
+  &:last-child {
+    margin-bottom: 0;
+  }
+}
+
+// Text utilities
+.text-gradient {
+  @include gradient-text($gradient-primary);
+}
+
+.text-gradient-accent {
+  @include gradient-text($gradient-accent);
+}
+
+.text-gradient-warm {
+  @include gradient-text($gradient-warm);
+}
+
+.text-primary {
+  color: $primary-blue;
+}
+
+.text-secondary {
+  color: $secondary-blue;
+}
+
+.text-dark {
+  color: $text-dark;
+}
+
+.text-gray {
+  color: $text-gray;
+}
+
+.text-light {
+  color: $text-light;
+}
+
+.text-white {
+  color: $white;
+}
+
+// Text alignment
+.text-left {
+  text-align: left;
+}
+
+.text-center {
+  text-align: center;
+}
+
+.text-right {
+  text-align: right;
+}
+
+// Font weights
+.font-regular {
+  font-weight: $font-weight-regular;
+}
+
+.font-medium {
+  font-weight: $font-weight-medium;
+}
+
+.font-semibold {
+  font-weight: $font-weight-semibold;
+}
+
+.font-bold {
+  font-weight: $font-weight-bold;
+}
+
+.font-extrabold {
+  font-weight: $font-weight-extrabold;
+}
+
+// Text sizes
+.text-xs {
+  font-size: $font-size-xs;
+}
+
+.text-sm {
+  font-size: $font-size-sm;
+}
+
+.text-base {
+  font-size: $font-size-base;
+}
+
+.text-lg {
+  font-size: $font-size-lg;
+}
+
+.text-xl {
+  font-size: $font-size-xl;
+}
+
+// Special text styles
+.lead {
+  font-size: $font-size-lg;
+  font-weight: $font-weight-regular;
+  line-height: $line-height-loose;
+  color: $text-gray;
+}
+
+.caption {
+  font-size: $font-size-sm;
+  color: $text-gray;
+}
+
+.code {
+  font-family: $font-family-mono;
+  font-size: $font-size-sm;
+  background: $gray-bg;
+  padding: 2px 6px;
+  border-radius: $border-radius-sm;
+}
+
+// Links
+a {
+  color: $primary-blue;
+
+  &:hover {
+    color: $secondary-blue;
+  }
+}
+
+// Blockquote
+blockquote {
+  padding: $spacing-md;
+  margin: $spacing-md 0;
+  border-left: 4px solid $primary-blue;
+  background: $gray-bg;
+  font-style: italic;
+
+  p {
+    margin-bottom: 0;
+  }
+}
+
+// Horizontal rule
+hr {
+  border: none;
+  border-top: 1px solid $border-gray;
+  margin: $spacing-xl 0;
+}

src/main/resources/static/sass/base/_utilities.scss

@@ -0,0 +1,497 @@
+// -----------------------------------------------------------------------------
+// Utility classes
+// -----------------------------------------------------------------------------
+
+// Container
+.container {
+  max-width: $container-max-width;
+  margin: 0 auto;
+  padding: 0 $spacing-lg;
+
+  @include respond-to('sm') {
+    padding: 0 $spacing-md;
+  }
+}
+
+// Display utilities
+.d-none {
+  display: none !important;
+}
+
+.d-block {
+  display: block !important;
+}
+
+.d-inline-block {
+  display: inline-block !important;
+}
+
+.d-flex {
+  display: flex !important;
+}
+
+.d-inline-flex {
+  display: inline-flex !important;
+}
+
+.d-grid {
+  display: grid !important;
+}
+
+// Flexbox utilities
+.flex-center {
+  @include flex-center;
+}
+
+.flex-between {
+  @include flex-between;
+}
+
+.flex-column {
+  flex-direction: column;
+}
+
+.flex-wrap {
+  flex-wrap: wrap;
+}
+
+.align-center {
+  align-items: center;
+}
+
+.align-start {
+  align-items: flex-start;
+}
+
+.align-end {
+  align-items: flex-end;
+}
+
+.justify-center {
+  justify-content: center;
+}
+
+.justify-start {
+  justify-content: flex-start;
+}
+
+.justify-end {
+  justify-content: flex-end;
+}
+
+.justify-between {
+  justify-content: space-between;
+}
+
+.justify-around {
+  justify-content: space-around;
+}
+
+// Gap utilities
+.gap-xs {
+  gap: $spacing-xs;
+}
+
+.gap-sm {
+  gap: $spacing-sm;
+}
+
+.gap-md {
+  gap: $spacing-md;
+}
+
+.gap-lg {
+  gap: $spacing-lg;
+}
+
+.gap-xl {
+  gap: $spacing-xl;
+}
+
+// Margin utilities
+@each $size, $value in (
+  0: 0,
+  xs: $spacing-xs,
+  sm: $spacing-sm,
+  md: $spacing-md,
+  lg: $spacing-lg,
+  xl: $spacing-xl,
+  2xl: $spacing-2xl,
+  3xl: $spacing-3xl,
+  4xl: $spacing-4xl,
+  auto: auto
+) {
+  .m-#{$size} {
+    margin: $value !important;
+  }
+
+  .mt-#{$size} {
+    margin-top: $value !important;
+  }
+
+  .mb-#{$size} {
+    margin-bottom: $value !important;
+  }
+
+  .ml-#{$size} {
+    margin-left: $value !important;
+  }
+
+  .mr-#{$size} {
+    margin-right: $value !important;
+  }
+
+  .mx-#{$size} {
+    margin-left: $value !important;
+    margin-right: $value !important;
+  }
+
+  .my-#{$size} {
+    margin-top: $value !important;
+    margin-bottom: $value !important;
+  }
+}
+
+// Padding utilities
+@each $size, $value in (
+  0: 0,
+  xs: $spacing-xs,
+  sm: $spacing-sm,
+  md: $spacing-md,
+  lg: $spacing-lg,
+  xl: $spacing-xl,
+  2xl: $spacing-2xl,
+  3xl: $spacing-3xl,
+  4xl: $spacing-4xl
+) {
+  .p-#{$size} {
+    padding: $value !important;
+  }
+
+  .pt-#{$size} {
+    padding-top: $value !important;
+  }
+
+  .pb-#{$size} {
+    padding-bottom: $value !important;
+  }
+
+  .pl-#{$size} {
+    padding-left: $value !important;
+  }
+
+  .pr-#{$size} {
+    padding-right: $value !important;
+  }
+
+  .px-#{$size} {
+    padding-left: $value !important;
+    padding-right: $value !important;
+  }
+
+  .py-#{$size} {
+    padding-top: $value !important;
+    padding-bottom: $value !important;
+  }
+}
+
+// Width utilities
+.w-25 {
+  width: 25%;
+}
+
+.w-50 {
+  width: 50%;
+}
+
+.w-75 {
+  width: 75%;
+}
+
+.w-100 {
+  width: 100%;
+}
+
+.w-auto {
+  width: auto;
+}
+
+// Height utilities
+.h-25 {
+  height: 25%;
+}
+
+.h-50 {
+  height: 50%;
+}
+
+.h-75 {
+  height: 75%;
+}
+
+.h-100 {
+  height: 100%;
+}
+
+.h-auto {
+  height: auto;
+}
+
+.vh-100 {
+  height: 100vh;
+}
+
+// Position utilities
+.position-relative {
+  position: relative;
+}
+
+.position-absolute {
+  position: absolute;
+}
+
+.position-fixed {
+  position: fixed;
+}
+
+.position-sticky {
+  position: sticky;
+}
+
+// Background utilities
+.bg-primary {
+  background: $primary-blue;
+}
+
+.bg-secondary {
+  background: $secondary-blue;
+}
+
+.bg-white {
+  background: $white;
+}
+
+.bg-gray {
+  background: $gray-bg;
+}
+
+.bg-light {
+  background: $light-bg;
+}
+
+.bg-gradient-primary {
+  background: $gradient-primary;
+}
+
+.bg-gradient-accent {
+  background: $gradient-accent;
+}
+
+.bg-gradient-warm {
+  background: $gradient-warm;
+}
+
+// Border utilities
+.border {
+  border: 1px solid $border-gray;
+}
+
+.border-0 {
+  border: none !important;
+}
+
+.border-top {
+  border-top: 1px solid $border-gray;
+}
+
+.border-bottom {
+  border-bottom: 1px solid $border-gray;
+}
+
+.border-left {
+  border-left: 1px solid $border-gray;
+}
+
+.border-right {
+  border-right: 1px solid $border-gray;
+}
+
+.border-primary {
+  border-color: $primary-blue;
+}
+
+// Border radius utilities
+.rounded-0 {
+  border-radius: 0;
+}
+
+.rounded-sm {
+  border-radius: $border-radius-sm;
+}
+
+.rounded {
+  border-radius: $border-radius-md;
+}
+
+.rounded-lg {
+  border-radius: $border-radius-lg;
+}
+
+.rounded-xl {
+  border-radius: $border-radius-xl;
+}
+
+.rounded-full {
+  border-radius: $border-radius-full;
+}
+
+.rounded-circle {
+  border-radius: $border-radius-circle;
+}
+
+// Shadow utilities
+.shadow-none {
+  box-shadow: none !important;
+}
+
+.shadow-sm {
+  box-shadow: $shadow-sm;
+}
+
+.shadow {
+  box-shadow: $shadow-md;
+}
+
+.shadow-lg {
+  box-shadow: $shadow-lg;
+}
+
+.shadow-xl {
+  box-shadow: $shadow-xl;
+}
+
+// Overflow utilities
+.overflow-hidden {
+  overflow: hidden;
+}
+
+.overflow-auto {
+  overflow: auto;
+}
+
+.overflow-x-hidden {
+  overflow-x: hidden;
+}
+
+.overflow-y-hidden {
+  overflow-y: hidden;
+}
+
+.overflow-x-auto {
+  overflow-x: auto;
+}
+
+.overflow-y-auto {
+  overflow-y: auto;
+}
+
+// Z-index utilities
+.z-0 {
+  z-index: 0;
+}
+
+.z-10 {
+  z-index: 10;
+}
+
+.z-20 {
+  z-index: 20;
+}
+
+.z-30 {
+  z-index: 30;
+}
+
+.z-40 {
+  z-index: 40;
+}
+
+.z-50 {
+  z-index: 50;
+}
+
+// Responsive utilities
+@include respond-to('sm') {
+  .sm-hide {
+    display: none !important;
+  }
+}
+
+@include respond-to('md') {
+  .md-hide {
+    display: none !important;
+  }
+}
+
+.mobile-only {
+  @media (min-width: #{$breakpoint-sm + 1px}) {
+    display: none !important;
+  }
+}
+
+.desktop-only {
+  @include respond-to('sm') {
+    display: none !important;
+  }
+}
+
+// Cursor utilities
+.cursor-pointer {
+  cursor: pointer;
+}
+
+.cursor-default {
+  cursor: default;
+}
+
+.cursor-not-allowed {
+  cursor: not-allowed;
+}
+
+// Opacity utilities
+.opacity-0 {
+  opacity: 0;
+}
+
+.opacity-25 {
+  opacity: 0.25;
+}
+
+.opacity-50 {
+  opacity: 0.5;
+}
+
+.opacity-75 {
+  opacity: 0.75;
+}
+
+.opacity-100 {
+  opacity: 1;
+}
+
+// Transition utilities
+.transition {
+  transition: $transition-base;
+}
+
+.transition-fast {
+  transition: $transition-fast;
+}
+
+.transition-slow {
+  transition: $transition-slow;
+}
+
+.transition-none {
+  transition: none;
+}

src/main/resources/static/sass/components/_buttons.scss

@@ -0,0 +1,271 @@
+// -----------------------------------------------------------------------------
+// Button styles - Modern vibrant design
+// -----------------------------------------------------------------------------
+
+// Base button
+.btn {
+  @include button-base;
+  position: relative;
+  overflow: hidden;
+
+  // Button sizes
+  &-sm {
+    padding: $spacing-sm $spacing-md;
+    font-size: $font-size-sm;
+  }
+
+  &-md {
+    padding: $spacing-md $spacing-lg;
+    font-size: $font-size-base;
+  }
+
+  &-lg {
+    padding: $spacing-md $spacing-xl;
+    font-size: $font-size-md;
+  }
+
+  &-xl {
+    padding: $spacing-lg $spacing-2xl;
+    font-size: $font-size-lg;
+  }
+
+  // Button variants
+  &-primary {
+    background: $gradient-primary;
+    color: $white;
+    box-shadow: $shadow-md;
+
+    &:hover {
+      transform: translateY(-3px);
+      box-shadow: $shadow-xl;
+    }
+
+    &:active {
+      transform: translateY(-1px);
+    }
+  }
+
+  &-secondary {
+    background: $white;
+    color: $primary-blue;
+    border: 2px solid $primary-blue;
+
+    &:hover {
+      background: $light-bg;
+      transform: translateY(-3px);
+    }
+  }
+
+  &-accent {
+    background: $gradient-accent;
+    color: $white;
+    box-shadow: $shadow-md;
+
+    &:hover {
+      transform: translateY(-3px);
+      box-shadow: $shadow-xl;
+    }
+  }
+
+  &-warm {
+    background: $gradient-warm;
+    color: $white;
+    box-shadow: $shadow-md;
+
+    &:hover {
+      transform: translateY(-3px);
+      box-shadow: $shadow-xl;
+    }
+  }
+
+  &-success {
+    background: $accent-green;
+    color: $white;
+
+    &:hover {
+      background: darken($accent-green, 10%);
+      transform: translateY(-3px);
+    }
+  }
+
+  &-danger {
+    background: $accent-orange;
+    color: $white;
+
+    &:hover {
+      background: darken($accent-orange, 10%);
+      transform: translateY(-3px);
+    }
+  }
+
+  &-ghost {
+    background: transparent;
+    color: $primary-blue;
+    border: 2px solid transparent;
+
+    &:hover {
+      background: rgba($primary-blue, 0.1);
+      border-color: $primary-blue;
+    }
+  }
+
+  &-outline {
+    background: transparent;
+    color: $text-dark;
+    border: 2px solid $border-gray;
+
+    &:hover {
+      border-color: $primary-blue;
+      color: $primary-blue;
+      transform: translateY(-3px);
+    }
+  }
+
+  // Button states
+  &:disabled,
+  &.disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    pointer-events: none;
+  }
+
+  &.loading {
+    color: transparent;
+    pointer-events: none;
+
+    &::after {
+      content: '';
+      position: absolute;
+      width: 16px;
+      height: 16px;
+      @include absolute-center;
+      border: 2px solid $white;
+      border-radius: 50%;
+      border-top-color: transparent;
+      animation: spin 0.6s linear infinite;
+    }
+  }
+
+  // Button with icon
+  &-icon {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 44px;
+    height: 44px;
+    padding: 0;
+    border-radius: $border-radius-circle;
+
+    &.btn-sm {
+      width: 32px;
+      height: 32px;
+    }
+
+    &.btn-lg {
+      width: 56px;
+      height: 56px;
+    }
+  }
+
+  // Full width button
+  &-block {
+    width: 100%;
+    justify-content: center;
+  }
+
+  // Button group
+  &-group {
+    display: inline-flex;
+    gap: -1px;
+
+    .btn {
+      border-radius: 0;
+
+      &:first-child {
+        border-top-left-radius: $border-radius-lg;
+        border-bottom-left-radius: $border-radius-lg;
+      }
+
+      &:last-child {
+        border-top-right-radius: $border-radius-lg;
+        border-bottom-right-radius: $border-radius-lg;
+      }
+    }
+  }
+}
+
+// Floating action button
+.fab {
+  position: fixed;
+  bottom: $spacing-xl;
+  right: $spacing-xl;
+  width: 60px;
+  height: 60px;
+  background: $gradient-primary;
+  border: none;
+  border-radius: $border-radius-circle;
+  color: $white;
+  font-size: $font-size-xl;
+  cursor: pointer;
+  box-shadow: $shadow-lg;
+  transition: $transition-base;
+  z-index: $z-index-fixed;
+  @include flex-center;
+
+  &:hover {
+    transform: scale(1.1);
+    box-shadow: $shadow-xl;
+
+    .fab-label {
+      opacity: 1;
+      transform: translateX(-10px);
+    }
+  }
+
+  .fab-label {
+    position: absolute;
+    right: 70px;
+    top: 50%;
+    transform: translateY(-50%);
+    background: $text-dark;
+    color: $white;
+    padding: $spacing-sm $spacing-md;
+    border-radius: $border-radius-md;
+    font-size: $font-size-sm;
+    white-space: nowrap;
+    opacity: 0;
+    transition: $transition-base;
+    pointer-events: none;
+  }
+}
+
+// CTA buttons
+.btn-cta {
+  &-primary {
+    @include button-base;
+    background: $white;
+    color: $primary-blue;
+    padding: $spacing-md $spacing-2xl;
+    font-size: $font-size-md;
+    box-shadow: $shadow-lg;
+
+    &:hover {
+      transform: translateY(-3px);
+      box-shadow: $shadow-xl;
+    }
+  }
+
+  &-secondary {
+    @include button-base;
+    background: transparent;
+    color: $white;
+    border: 2px solid $white;
+    padding: $spacing-md $spacing-2xl;
+    font-size: $font-size-md;
+
+    &:hover {
+      background: rgba($white, 0.1);
+      transform: translateY(-3px);
+    }
+  }
+}

src/main/resources/static/sass/components/_cards.scss

@@ -0,0 +1,386 @@
+// -----------------------------------------------------------------------------
+// Card styles - Modern vibrant design
+// -----------------------------------------------------------------------------
+
+// Base card
+.card {
+  @include card;
+  position: relative;
+  overflow: hidden;
+
+  // Card hover effect
+  &::before {
+    content: '';
+    position: absolute;
+    top: -50%;
+    left: -50%;
+    width: 200%;
+    height: 200%;
+    background: linear-gradient(
+      45deg,
+      transparent 30%,
+      rgba($primary-blue, 0.03) 50%,
+      transparent 70%
+    );
+    transform: rotate(45deg);
+    transition: $transition-slow;
+    opacity: 0;
+  }
+
+  &:hover::before {
+    animation: shimmer 0.6s ease;
+    opacity: 1;
+  }
+}
+
+// API showcase cards
+.api-card {
+  @include card;
+  text-align: center;
+  border: 2px solid $border-gray;
+
+  &:hover {
+    border-color: $primary-blue;
+    transform: translateY(-8px);
+  }
+
+  // Popular variant
+  &-popular {
+    border-color: $accent-yellow;
+    background: linear-gradient(180deg, rgba($accent-yellow, 0.05) 0%, $white 100%);
+  }
+
+  // New variant
+  &-new {
+    border-color: $accent-green;
+    background: linear-gradient(180deg, rgba($accent-green, 0.05) 0%, $white 100%);
+  }
+
+  // API badge
+  .api-badge {
+    position: absolute;
+    top: -12px;
+    right: 20px;
+    padding: $spacing-xs $spacing-md;
+    background: $accent-yellow;
+    color: $text-dark;
+    border-radius: $border-radius-2xl;
+    font-size: $font-size-xs;
+    font-weight: $font-weight-bold;
+    text-transform: uppercase;
+
+    &.new {
+      background: $accent-green;
+      color: $white;
+    }
+
+    &.beta {
+      background: $accent-purple;
+      color: $white;
+    }
+  }
+
+  // API icon
+  .api-icon {
+    width: 60px;
+    height: 60px;
+    margin: 0 auto $spacing-lg;
+    @include flex-center;
+    font-size: 28px;
+    background: $light-bg;
+    color: $primary-blue;
+    border-radius: $border-radius-xl;
+    transition: $transition-base;
+  }
+
+  &:hover .api-icon {
+    transform: scale(1.1);
+    background: $gradient-primary;
+    color: $white;
+  }
+
+  // API content
+  .api-name {
+    font-size: $font-size-lg;
+    font-weight: $font-weight-bold;
+    margin-bottom: $spacing-md;
+    color: $text-dark;
+  }
+
+  .api-description {
+    color: $text-gray;
+    line-height: $line-height-normal;
+    margin-bottom: $spacing-lg;
+    font-size: $font-size-sm;
+  }
+
+  // API features
+  .api-features {
+    display: flex;
+    justify-content: center;
+    gap: $spacing-sm;
+    margin-bottom: $spacing-lg;
+    flex-wrap: wrap;
+
+    .feature-tag {
+      padding: $spacing-xs $spacing-sm;
+      background: $gray-bg;
+      color: $text-gray;
+      border-radius: $border-radius-2xl;
+      font-size: $font-size-xs;
+      font-weight: $font-weight-medium;
+    }
+  }
+
+  // API link
+  .api-link {
+    display: inline-flex;
+    align-items: center;
+    gap: $spacing-xs;
+    color: $primary-blue;
+    font-weight: $font-weight-semibold;
+    font-size: $font-size-sm;
+    transition: $transition-base;
+
+    &:hover {
+      gap: $spacing-sm;
+      color: $secondary-blue;
+    }
+  }
+}
+
+// Experience cards
+.experience-card {
+  @include card;
+  text-align: center;
+
+  .card-icon {
+    width: 56px;
+    height: 56px;
+    margin: 0 auto $spacing-lg;
+    @include flex-center;
+    font-size: $font-size-xl;
+    background: $gradient-primary;
+    color: $white;
+    border-radius: $border-radius-xl;
+  }
+
+  h3 {
+    font-size: $font-size-lg;
+    font-weight: $font-weight-bold;
+    margin-bottom: $spacing-md;
+    color: $text-dark;
+  }
+
+  p {
+    color: $text-gray;
+    line-height: $line-height-normal;
+    margin-bottom: $spacing-lg;
+    font-size: $font-size-sm;
+  }
+
+  // Card metric
+  .card-metric {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    padding-top: $spacing-lg;
+    border-top: 1px solid $border-gray;
+
+    .metric-value {
+      font-size: $font-size-xl;
+      font-weight: $font-weight-extrabold;
+      color: $primary-blue;
+    }
+
+    .metric-label {
+      font-size: $font-size-xs;
+      color: $text-gray;
+      font-weight: $font-weight-medium;
+    }
+  }
+}
+
+// Feature cards
+.feature-card {
+  @include card;
+  display: flex;
+  align-items: flex-start;
+  gap: $spacing-lg;
+
+  .feature-icon {
+    flex-shrink: 0;
+    width: 48px;
+    height: 48px;
+    @include flex-center;
+    background: $gradient-primary;
+    color: $white;
+    border-radius: $border-radius-lg;
+    font-size: $font-size-xl;
+  }
+
+  .feature-content {
+    flex: 1;
+
+    h4 {
+      font-size: $font-size-md;
+      font-weight: $font-weight-semibold;
+      margin-bottom: $spacing-sm;
+      color: $text-dark;
+    }
+
+    p {
+      color: $text-gray;
+      line-height: $line-height-normal;
+      font-size: $font-size-sm;
+    }
+  }
+}
+
+// Testimonial cards
+.testimonial-card {
+  @include card;
+  position: relative;
+
+  &::before {
+    content: '"';
+    position: absolute;
+    top: $spacing-md;
+    left: $spacing-md;
+    font-size: 60px;
+    color: $primary-blue;
+    opacity: 0.1;
+    font-weight: $font-weight-bold;
+  }
+
+  .testimonial-content {
+    position: relative;
+    z-index: 1;
+    font-size: $font-size-base;
+    line-height: $line-height-loose;
+    color: $text-dark;
+    margin-bottom: $spacing-lg;
+    font-style: italic;
+  }
+
+  .testimonial-author {
+    display: flex;
+    align-items: center;
+    gap: $spacing-md;
+
+    .author-avatar {
+      width: 48px;
+      height: 48px;
+      border-radius: $border-radius-circle;
+      object-fit: cover;
+    }
+
+    .author-info {
+      .author-name {
+        font-weight: $font-weight-semibold;
+        color: $text-dark;
+        margin-bottom: 2px;
+      }
+
+      .author-title {
+        font-size: $font-size-sm;
+        color: $text-gray;
+      }
+    }
+  }
+}
+
+// Pricing cards
+.pricing-card {
+  @include card;
+  text-align: center;
+  position: relative;
+
+  &.featured {
+    border: 2px solid $primary-blue;
+    transform: scale(1.05);
+
+    .pricing-badge {
+      position: absolute;
+      top: -14px;
+      left: 50%;
+      transform: translateX(-50%);
+      padding: $spacing-xs $spacing-md;
+      background: $gradient-primary;
+      color: $white;
+      border-radius: $border-radius-full;
+      font-size: $font-size-xs;
+      font-weight: $font-weight-bold;
+      text-transform: uppercase;
+    }
+  }
+
+  .pricing-header {
+    padding-bottom: $spacing-lg;
+    border-bottom: 1px solid $border-gray;
+    margin-bottom: $spacing-lg;
+
+    h3 {
+      font-size: $font-size-xl;
+      font-weight: $font-weight-bold;
+      margin-bottom: $spacing-sm;
+      color: $text-dark;
+    }
+
+    .price {
+      display: flex;
+      align-items: baseline;
+      justify-content: center;
+      gap: $spacing-xs;
+
+      .currency {
+        font-size: $font-size-lg;
+        color: $text-gray;
+      }
+
+      .amount {
+        font-size: $font-size-4xl;
+        font-weight: $font-weight-extrabold;
+        @include gradient-text($gradient-primary);
+      }
+
+      .period {
+        font-size: $font-size-base;
+        color: $text-gray;
+      }
+    }
+  }
+
+  .pricing-features {
+    list-style: none;
+    margin-bottom: $spacing-lg;
+
+    li {
+      padding: $spacing-sm 0;
+      color: $text-gray;
+      font-size: $font-size-sm;
+      display: flex;
+      align-items: center;
+      gap: $spacing-sm;
+
+      &::before {
+        content: '✓';
+        color: $accent-green;
+        font-weight: $font-weight-bold;
+      }
+
+      &.disabled {
+        opacity: 0.5;
+
+        &::before {
+          content: '×';
+          color: $text-light;
+        }
+      }
+    }
+  }
+
+  .pricing-cta {
+    margin-top: auto;
+  }
+}

src/main/resources/static/sass/components/_cta.scss

@@ -0,0 +1,10 @@
+// -----------------------------------------------------------------------------
+// CTA (Call to Action) section styles
+// -----------------------------------------------------------------------------
+
+.final-cta {
+  position: relative;
+  padding: $spacing-6xl * 1.5 0;
+  background: $gradient-primary;
+  overflow: hidden;
+}

src/main/resources/static/sass/components/_forms.scss

@@ -0,0 +1,240 @@
+// -----------------------------------------------------------------------------
+// Form styles
+// -----------------------------------------------------------------------------
+
+// Form group
+.form-group {
+  margin-bottom: $spacing-lg;
+
+  label {
+    display: block;
+    font-size: $font-size-sm;
+    font-weight: $font-weight-medium;
+    color: $text-dark;
+    margin-bottom: $spacing-sm;
+
+    .required {
+      color: $accent-orange;
+      margin-left: 2px;
+    }
+  }
+
+  .form-hint {
+    font-size: $font-size-xs;
+    color: $text-gray;
+    margin-top: $spacing-xs;
+  }
+
+  .form-error {
+    font-size: $font-size-xs;
+    color: $accent-orange;
+    margin-top: $spacing-xs;
+    display: flex;
+    align-items: center;
+    gap: $spacing-xs;
+  }
+}
+
+// Form control base
+.form-control {
+  width: 100%;
+  padding: $input-padding-y $input-padding-x;
+  font-size: $font-size-base;
+  font-family: $font-family-primary;
+  color: $text-dark;
+  background: $white;
+  border: 2px solid $border-gray;
+  border-radius: $border-radius-md;
+  transition: $transition-base;
+
+  &::placeholder {
+    color: $text-light;
+  }
+
+  &:focus {
+    outline: none;
+    border-color: $primary-blue;
+    box-shadow: 0 0 0 3px rgba($primary-blue, 0.1);
+  }
+
+  &:disabled {
+    background: $gray-bg;
+    color: $text-gray;
+    cursor: not-allowed;
+  }
+
+  // Size variations
+  &-sm {
+    padding: $spacing-sm $spacing-md;
+    font-size: $font-size-sm;
+  }
+
+  &-lg {
+    padding: $spacing-md $spacing-lg;
+    font-size: $font-size-md;
+  }
+
+  // State variations
+  &.is-valid {
+    border-color: $accent-green;
+
+    &:focus {
+      box-shadow: 0 0 0 3px rgba($accent-green, 0.1);
+    }
+  }
+
+  &.is-invalid {
+    border-color: $accent-orange;
+
+    &:focus {
+      box-shadow: 0 0 0 3px rgba($accent-orange, 0.1);
+    }
+  }
+}
+
+// Textarea
+textarea.form-control {
+  min-height: 120px;
+  resize: vertical;
+}
+
+// Select
+select.form-control {
+  appearance: none;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M6 8L0 0h12z' fill='%2364748B'/%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: right $spacing-md center;
+  background-size: 12px;
+  padding-right: $spacing-2xl;
+}
+
+// Checkbox and Radio
+.form-check {
+  display: flex;
+  align-items: center;
+  margin-bottom: $spacing-md;
+
+  input[type="checkbox"],
+  input[type="radio"] {
+    width: 20px;
+    height: 20px;
+    margin-right: $spacing-sm;
+    cursor: pointer;
+  }
+
+  label {
+    margin-bottom: 0;
+    cursor: pointer;
+    user-select: none;
+  }
+
+  &.disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+
+    input,
+    label {
+      cursor: not-allowed;
+    }
+  }
+}
+
+// Switch toggle
+.form-switch {
+  display: flex;
+  align-items: center;
+  gap: $spacing-md;
+
+  .switch {
+    position: relative;
+    width: 48px;
+    height: 24px;
+    background: $border-gray;
+    border-radius: $border-radius-full;
+    cursor: pointer;
+    transition: $transition-base;
+
+    &::after {
+      content: '';
+      position: absolute;
+      top: 2px;
+      left: 2px;
+      width: 20px;
+      height: 20px;
+      background: $white;
+      border-radius: $border-radius-circle;
+      transition: $transition-base;
+    }
+
+    &.active {
+      background: $primary-blue;
+
+      &::after {
+        transform: translateX(24px);
+      }
+    }
+  }
+}
+
+// Input group
+.input-group {
+  display: flex;
+  width: 100%;
+
+  .input-group-text {
+    padding: $input-padding-y $input-padding-x;
+    font-size: $font-size-base;
+    color: $text-gray;
+    background: $gray-bg;
+    border: 2px solid $border-gray;
+    border-radius: $border-radius-md 0 0 $border-radius-md;
+    border-right: none;
+  }
+
+  .form-control {
+    border-radius: 0 $border-radius-md $border-radius-md 0;
+  }
+
+  &.input-group-append {
+    .input-group-text {
+      border-radius: 0 $border-radius-md $border-radius-md 0;
+      border-right: 2px solid $border-gray;
+      border-left: none;
+    }
+
+    .form-control {
+      border-radius: $border-radius-md 0 0 $border-radius-md;
+    }
+  }
+}
+
+// Form inline
+.form-inline {
+  display: flex;
+  align-items: flex-end;
+  gap: $spacing-md;
+
+  .form-group {
+    margin-bottom: 0;
+  }
+
+  @include respond-to('sm') {
+    flex-direction: column;
+    align-items: stretch;
+
+    .form-group {
+      margin-bottom: $spacing-md;
+    }
+  }
+}
+
+// Form row
+.form-row {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: $spacing-lg;
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+  }
+}

src/main/resources/static/sass/components/_modals.scss

@@ -0,0 +1,196 @@
+// -----------------------------------------------------------------------------
+// Modal styles
+// -----------------------------------------------------------------------------
+
+// Modal backdrop
+.modal-backdrop {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  z-index: $z-index-modal-backdrop;
+  opacity: 0;
+  visibility: hidden;
+  transition: $transition-base;
+
+  &.show {
+    opacity: 1;
+    visibility: visible;
+  }
+}
+
+// Modal wrapper
+.modal {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: $z-index-modal;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: $spacing-lg;
+  opacity: 0;
+  visibility: hidden;
+  transition: $transition-base;
+
+  &.show {
+    opacity: 1;
+    visibility: visible;
+
+    .modal-dialog {
+      transform: scale(1);
+    }
+  }
+}
+
+// Modal dialog
+.modal-dialog {
+  position: relative;
+  background: $white;
+  border-radius: $border-radius-xl;
+  box-shadow: $shadow-xl;
+  max-width: 500px;
+  width: 100%;
+  max-height: 90vh;
+  display: flex;
+  flex-direction: column;
+  transform: scale(0.95);
+  transition: $transition-base;
+
+  // Size variations
+  &.modal-sm {
+    max-width: 400px;
+  }
+
+  &.modal-lg {
+    max-width: 800px;
+  }
+
+  &.modal-xl {
+    max-width: 1200px;
+  }
+
+  &.modal-fullscreen {
+    max-width: 100%;
+    max-height: 100%;
+    height: 100%;
+    margin: 0;
+    border-radius: 0;
+  }
+}
+
+// Modal header
+.modal-header {
+  padding: $spacing-lg;
+  border-bottom: 1px solid $border-gray;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+
+  .modal-title {
+    font-size: $font-size-xl;
+    font-weight: $font-weight-semibold;
+    color: $text-dark;
+    margin: 0;
+  }
+
+  .modal-close {
+    width: 32px;
+    height: 32px;
+    @include flex-center;
+    background: transparent;
+    border: none;
+    border-radius: $border-radius-md;
+    color: $text-gray;
+    font-size: $font-size-xl;
+    cursor: pointer;
+    transition: $transition-base;
+
+    &:hover {
+      background: $gray-bg;
+      color: $text-dark;
+    }
+  }
+}
+
+// Modal body
+.modal-body {
+  padding: $spacing-lg;
+  flex: 1;
+  overflow-y: auto;
+  color: $text-dark;
+  line-height: $line-height-normal;
+}
+
+// Modal footer
+.modal-footer {
+  padding: $spacing-lg;
+  border-top: 1px solid $border-gray;
+  display: flex;
+  gap: $spacing-md;
+  justify-content: flex-end;
+
+  &.modal-footer-center {
+    justify-content: center;
+  }
+
+  &.modal-footer-between {
+    justify-content: space-between;
+  }
+}
+
+// Alert modal
+.modal-alert {
+  .modal-dialog {
+    max-width: 400px;
+  }
+
+  .modal-body {
+    text-align: center;
+    padding: $spacing-xl;
+
+    .alert-icon {
+      width: 64px;
+      height: 64px;
+      margin: 0 auto $spacing-lg;
+      @include flex-center;
+      font-size: $font-size-2xl;
+      border-radius: $border-radius-circle;
+
+      &.alert-success {
+        background: rgba($accent-green, 0.1);
+        color: $accent-green;
+      }
+
+      &.alert-warning {
+        background: rgba($accent-yellow, 0.1);
+        color: $accent-yellow;
+      }
+
+      &.alert-danger {
+        background: rgba($accent-orange, 0.1);
+        color: $accent-orange;
+      }
+
+      &.alert-info {
+        background: rgba($primary-blue, 0.1);
+        color: $primary-blue;
+      }
+    }
+
+    .alert-title {
+      font-size: $font-size-xl;
+      font-weight: $font-weight-semibold;
+      margin-bottom: $spacing-sm;
+      color: $text-dark;
+    }
+
+    .alert-message {
+      color: $text-gray;
+    }
+  }
+}

src/main/resources/static/sass/components/_navigation.scss

@@ -0,0 +1,239 @@
+// -----------------------------------------------------------------------------
+// Navigation component styles
+// -----------------------------------------------------------------------------
+
+// Breadcrumb navigation
+.breadcrumb {
+  display: flex;
+  align-items: center;
+  gap: $spacing-sm;
+  padding: $spacing-md 0;
+  font-size: $font-size-sm;
+
+  .breadcrumb-item {
+    display: flex;
+    align-items: center;
+    gap: $spacing-sm;
+    color: $text-gray;
+
+    a {
+      color: $text-gray;
+      transition: $transition-base;
+
+      &:hover {
+        color: $primary-blue;
+      }
+    }
+
+    &.active {
+      color: $text-dark;
+      font-weight: $font-weight-medium;
+    }
+
+    &:not(:last-child)::after {
+      content: '/';
+      color: $text-light;
+      margin-left: $spacing-sm;
+    }
+  }
+}
+
+// Tab navigation
+.nav-tabs {
+  display: flex;
+  gap: $spacing-xs;
+  border-bottom: 2px solid $border-gray;
+  margin-bottom: $spacing-xl;
+
+  .nav-item {
+    position: relative;
+  }
+
+  .nav-link {
+    display: flex;
+    align-items: center;
+    gap: $spacing-sm;
+    padding: $spacing-md $spacing-lg;
+    color: $text-gray;
+    font-weight: $font-weight-medium;
+    border-bottom: 2px solid transparent;
+    margin-bottom: -2px;
+    transition: $transition-base;
+
+    &:hover {
+      color: $text-dark;
+    }
+
+    &.active {
+      color: $primary-blue;
+      border-bottom-color: $primary-blue;
+    }
+
+    .badge {
+      padding: 2px 6px;
+      background: $gray-bg;
+      color: $text-gray;
+      border-radius: $border-radius-full;
+      font-size: 11px;
+      font-weight: $font-weight-semibold;
+    }
+  }
+}
+
+// Pills navigation
+.nav-pills {
+  display: flex;
+  gap: $spacing-sm;
+  padding: $spacing-xs;
+  background: $gray-bg;
+  border-radius: $border-radius-lg;
+
+  .nav-link {
+    padding: $spacing-sm $spacing-lg;
+    color: $text-gray;
+    font-weight: $font-weight-medium;
+    border-radius: $border-radius-md;
+    transition: $transition-base;
+
+    &:hover {
+      color: $text-dark;
+      background: rgba($white, 0.5);
+    }
+
+    &.active {
+      background: $white;
+      color: $primary-blue;
+      box-shadow: $shadow-sm;
+    }
+  }
+}
+
+// Sidebar navigation
+.sidebar-nav {
+  .nav-section {
+    margin-bottom: $spacing-xl;
+
+    .nav-title {
+      font-size: $font-size-xs;
+      font-weight: $font-weight-semibold;
+      text-transform: uppercase;
+      color: $text-gray;
+      padding: $spacing-sm $spacing-md;
+      letter-spacing: 0.05em;
+    }
+  }
+
+  .nav-menu {
+    list-style: none;
+
+    .nav-item {
+      margin-bottom: $spacing-xs;
+    }
+
+    .nav-link {
+      display: flex;
+      align-items: center;
+      gap: $spacing-md;
+      padding: $spacing-sm $spacing-md;
+      color: $text-dark;
+      border-radius: $border-radius-md;
+      transition: $transition-base;
+
+      .nav-icon {
+        width: 20px;
+        height: 20px;
+        @include flex-center;
+        font-size: $font-size-md;
+        color: $text-gray;
+      }
+
+      &:hover {
+        background: $gray-bg;
+        color: $primary-blue;
+
+        .nav-icon {
+          color: $primary-blue;
+        }
+      }
+
+      &.active {
+        background: $light-bg;
+        color: $primary-blue;
+        font-weight: $font-weight-medium;
+
+        .nav-icon {
+          color: $primary-blue;
+        }
+      }
+    }
+
+    // Nested menu
+    .nav-submenu {
+      margin-left: $spacing-2xl;
+      margin-top: $spacing-xs;
+      list-style: none;
+
+      .nav-link {
+        font-size: $font-size-sm;
+        padding: $spacing-xs $spacing-md;
+      }
+    }
+  }
+}
+
+// Pagination
+.pagination {
+  display: flex;
+  align-items: center;
+  gap: $spacing-xs;
+
+  .page-item {
+    &.disabled {
+      .page-link {
+        opacity: 0.5;
+        cursor: not-allowed;
+        pointer-events: none;
+      }
+    }
+
+    &.active {
+      .page-link {
+        background: $primary-blue;
+        color: $white;
+        border-color: $primary-blue;
+      }
+    }
+  }
+
+  .page-link {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    min-width: 36px;
+    height: 36px;
+    padding: 0 $spacing-sm;
+    background: $white;
+    border: 1px solid $border-gray;
+    border-radius: $border-radius-md;
+    color: $text-dark;
+    font-size: $font-size-sm;
+    font-weight: $font-weight-medium;
+    transition: $transition-base;
+
+    &:hover {
+      background: $gray-bg;
+      border-color: $primary-blue;
+      color: $primary-blue;
+    }
+
+    &.page-prev,
+    &.page-next {
+      font-size: $font-size-md;
+    }
+  }
+
+  .page-dots {
+    padding: 0 $spacing-sm;
+    color: $text-gray;
+  }
+}

src/main/resources/static/sass/components/_partners.scss

@@ -0,0 +1,8 @@
+// -----------------------------------------------------------------------------
+// Partners section styles
+// -----------------------------------------------------------------------------
+
+.partners {
+  padding: $spacing-5xl 0;
+  background: $white;
+}

src/main/resources/static/sass/layout/_container.scss

@@ -0,0 +1,158 @@
+// -----------------------------------------------------------------------------
+// Container and section styles
+// -----------------------------------------------------------------------------
+
+// Main container
+.container {
+  max-width: $container-max-width;
+  margin: 0 auto;
+  padding: 0 $spacing-lg;
+
+  @include respond-to('sm') {
+    padding: 0 $spacing-md;
+  }
+
+  // Container variations
+  &-fluid {
+    max-width: 100%;
+    padding: 0 $spacing-lg;
+  }
+
+  &-narrow {
+    max-width: 960px;
+  }
+
+  &-wide {
+    max-width: 1440px;
+  }
+}
+
+// Section spacing
+.section {
+  padding: $spacing-6xl 0;
+
+  @include respond-to('sm') {
+    padding: $spacing-4xl 0;
+  }
+
+  // Section variations
+  &-sm {
+    padding: $spacing-3xl 0;
+  }
+
+  &-lg {
+    padding: $spacing-6xl * 1.5 0;
+  }
+
+  &-no-top {
+    padding-top: 0;
+  }
+
+  &-no-bottom {
+    padding-bottom: 0;
+  }
+}
+
+// Section backgrounds
+.section-bg {
+  &-gray {
+    background: $gray-bg;
+  }
+
+  &-light {
+    background: $light-bg;
+  }
+
+  &-gradient {
+    background: linear-gradient(180deg, $white 0%, $light-bg 100%);
+  }
+
+  &-gradient-reverse {
+    background: linear-gradient(180deg, $light-bg 0%, $white 100%);
+  }
+
+  &-primary {
+    background: $gradient-primary;
+    color: $white;
+  }
+
+  &-dark {
+    background: $text-dark;
+    color: $white;
+  }
+}
+
+// Section header
+.section-header {
+  text-align: center;
+  margin-bottom: $spacing-4xl;
+
+  @include respond-to('sm') {
+    margin-bottom: $spacing-3xl;
+  }
+
+  .section-badge {
+    display: inline-flex;
+    align-items: center;
+    gap: $spacing-xs;
+    padding: $spacing-xs $spacing-md;
+    background: $light-bg;
+    color: $primary-blue;
+    border-radius: $border-radius-full;
+    font-size: $font-size-sm;
+    font-weight: $font-weight-semibold;
+    margin-bottom: $spacing-md;
+  }
+
+  .section-title {
+    font-size: $font-size-3xl;
+    font-weight: $font-weight-bold;
+    margin-bottom: $spacing-md;
+    color: $text-dark;
+
+    @include respond-to('sm') {
+      font-size: $font-size-2xl;
+    }
+
+    .title-highlight {
+      @include gradient-text($gradient-accent);
+    }
+  }
+
+  .section-subtitle {
+    font-size: $font-size-md;
+    color: $text-gray;
+    line-height: $line-height-normal;
+    max-width: 600px;
+    margin: 0 auto;
+
+    @include respond-to('sm') {
+      font-size: $font-size-base;
+    }
+  }
+}
+
+// Content wrapper
+.content-wrapper {
+  position: relative;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+
+  .main-content {
+    flex: 1;
+    padding-top: $header-height;
+  }
+}
+
+// Page wrapper
+.page-wrapper {
+  position: relative;
+  overflow: hidden;
+}
+
+// Inner content
+.inner-content {
+  position: relative;
+  z-index: 1;
+}

src/main/resources/static/sass/layout/_footer.scss

@@ -0,0 +1,282 @@
+// -----------------------------------------------------------------------------
+// Footer styles - Modern vibrant design
+// -----------------------------------------------------------------------------
+
+.global-footer {
+  background: $text-dark;
+  color: $white;
+  padding: $spacing-5xl 0 $spacing-2xl;
+
+  @include respond-to('sm') {
+    padding: $spacing-3xl 0 $spacing-xl;
+  }
+}
+
+.footer-top {
+  display: grid;
+  grid-template-columns: 2fr 3fr;
+  gap: $spacing-5xl;
+  margin-bottom: $spacing-4xl;
+  max-width: $container-max-width;
+  margin-left: auto;
+  margin-right: auto;
+  padding: 0 $spacing-lg;
+
+  @include respond-to('md') {
+    grid-template-columns: 1fr;
+    gap: $spacing-2xl;
+  }
+}
+
+// Footer brand section
+.footer-brand {
+  max-width: 360px;
+
+  .footer-logo {
+    height: 48px;
+    margin-bottom: $spacing-lg;
+  }
+
+  .footer-desc {
+    font-size: $font-size-sm;
+    line-height: $line-height-loose;
+    color: rgba($white, 0.7);
+    margin-bottom: $spacing-lg;
+  }
+
+  .footer-newsletter {
+    margin-bottom: $spacing-xl;
+
+    h4 {
+      font-size: $font-size-md;
+      font-weight: $font-weight-semibold;
+      margin-bottom: $spacing-md;
+    }
+
+    .newsletter-form {
+      display: flex;
+      gap: $spacing-sm;
+
+      input {
+        flex: 1;
+        padding: $spacing-sm $spacing-md;
+        background: rgba($white, 0.1);
+        border: 1px solid rgba($white, 0.2);
+        border-radius: $border-radius-md;
+        color: $white;
+        font-size: $font-size-sm;
+
+        &::placeholder {
+          color: rgba($white, 0.5);
+        }
+
+        &:focus {
+          background: rgba($white, 0.15);
+          border-color: $primary-blue;
+          outline: none;
+        }
+      }
+
+      button {
+        padding: $spacing-sm $spacing-lg;
+        background: $gradient-primary;
+        color: $white;
+        border-radius: $border-radius-md;
+        font-weight: $font-weight-semibold;
+        font-size: $font-size-sm;
+        transition: $transition-base;
+
+        &:hover {
+          transform: translateY(-2px);
+          box-shadow: $shadow-md;
+        }
+      }
+    }
+  }
+}
+
+// Social links
+.social-links {
+  display: flex;
+  gap: $spacing-md;
+
+  a {
+    width: 44px;
+    height: 44px;
+    background: rgba($white, 0.1);
+    border-radius: $border-radius-lg;
+    @include flex-center;
+    color: $white;
+    transition: $transition-base;
+    font-size: $font-size-lg;
+
+    &:hover {
+      background: $primary-blue;
+      transform: translateY(-3px);
+    }
+
+    &.facebook:hover {
+      background: #1877f2;
+    }
+
+    &.twitter:hover {
+      background: #1da1f2;
+    }
+
+    &.linkedin:hover {
+      background: #0077b5;
+    }
+
+    &.github:hover {
+      background: #333;
+    }
+
+    &.youtube:hover {
+      background: #ff0000;
+    }
+  }
+}
+
+// Footer links
+.footer-links {
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: $spacing-2xl;
+
+  @include respond-to('md') {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+    text-align: center;
+  }
+}
+
+.footer-column {
+  h4 {
+    font-size: $font-size-base;
+    font-weight: $font-weight-bold;
+    margin-bottom: $spacing-lg;
+    color: $white;
+  }
+
+  ul {
+    list-style: none;
+
+    li {
+      margin-bottom: $spacing-md;
+
+      a {
+        color: rgba($white, 0.7);
+        font-size: $font-size-sm;
+        transition: $transition-base;
+        position: relative;
+
+        &::after {
+          content: '';
+          position: absolute;
+          bottom: -2px;
+          left: 0;
+          width: 0;
+          height: 1px;
+          background: $accent-cyan;
+          transition: $transition-base;
+        }
+
+        &:hover {
+          color: $accent-cyan;
+
+          &::after {
+            width: 100%;
+          }
+        }
+      }
+    }
+  }
+
+  // Special badges
+  .footer-badge {
+    display: inline-flex;
+    align-items: center;
+    gap: $spacing-xs;
+    padding: $spacing-xs $spacing-sm;
+    background: rgba($accent-green, 0.2);
+    color: $accent-green;
+    border-radius: $border-radius-full;
+    font-size: $font-size-xs;
+    font-weight: $font-weight-semibold;
+    margin-left: $spacing-sm;
+  }
+}
+
+// Footer bottom
+.footer-bottom {
+  padding-top: $spacing-2xl;
+  border-top: 1px solid rgba($white, 0.1);
+  max-width: $container-max-width;
+  margin: 0 auto;
+  padding-left: $spacing-lg;
+  padding-right: $spacing-lg;
+}
+
+.footer-legal {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+
+  @include respond-to('sm') {
+    flex-direction: column;
+    gap: $spacing-lg;
+    text-align: center;
+  }
+
+  p {
+    color: rgba($white, 0.5);
+    font-size: $font-size-sm;
+    margin: 0;
+  }
+
+  .legal-links {
+    display: flex;
+    gap: $spacing-lg;
+
+    a {
+      color: rgba($white, 0.7);
+      font-size: $font-size-sm;
+      transition: $transition-base;
+
+      &:hover {
+        color: $white;
+      }
+    }
+  }
+}
+
+// Footer decoration
+.footer-decoration {
+  position: relative;
+  overflow: hidden;
+
+  &::before {
+    content: '';
+    position: absolute;
+    top: -100px;
+    right: -100px;
+    width: 300px;
+    height: 300px;
+    background: radial-gradient(circle, rgba($primary-blue, 0.1) 0%, transparent 70%);
+    border-radius: 50%;
+  }
+
+  &::after {
+    content: '';
+    position: absolute;
+    bottom: -150px;
+    left: -150px;
+    width: 400px;
+    height: 400px;
+    background: radial-gradient(circle, rgba($accent-cyan, 0.05) 0%, transparent 70%);
+    border-radius: 50%;
+  }
+}

src/main/resources/static/sass/layout/_grid.scss

@@ -0,0 +1,298 @@
+// -----------------------------------------------------------------------------
+// Grid system - Modern responsive layout
+// -----------------------------------------------------------------------------
+
+// Grid container
+.grid {
+  display: grid;
+  gap: $spacing-lg;
+
+  // Column templates
+  &-cols-1 {
+    grid-template-columns: 1fr;
+  }
+
+  &-cols-2 {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  &-cols-3 {
+    grid-template-columns: repeat(3, 1fr);
+  }
+
+  &-cols-4 {
+    grid-template-columns: repeat(4, 1fr);
+  }
+
+  &-cols-5 {
+    grid-template-columns: repeat(5, 1fr);
+  }
+
+  &-cols-6 {
+    grid-template-columns: repeat(6, 1fr);
+  }
+
+  &-cols-12 {
+    grid-template-columns: repeat(12, 1fr);
+  }
+
+  // Auto-fit grid
+  &-auto {
+    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+  }
+
+  &-auto-sm {
+    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  }
+
+  &-auto-lg {
+    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
+  }
+
+  // Gap variations
+  &.gap-0 {
+    gap: 0;
+  }
+
+  &.gap-sm {
+    gap: $spacing-sm;
+  }
+
+  &.gap-md {
+    gap: $spacing-md;
+  }
+
+  &.gap-lg {
+    gap: $spacing-lg;
+  }
+
+  &.gap-xl {
+    gap: $spacing-xl;
+  }
+
+  // Responsive grids
+  @include respond-to('md') {
+    &-md-cols-1 {
+      grid-template-columns: 1fr;
+    }
+
+    &-md-cols-2 {
+      grid-template-columns: repeat(2, 1fr);
+    }
+  }
+
+  @include respond-to('sm') {
+    &-sm-cols-1 {
+      grid-template-columns: 1fr;
+    }
+
+    &-sm-cols-2 {
+      grid-template-columns: repeat(2, 1fr);
+    }
+  }
+}
+
+// Grid item spans
+.col-span-1 {
+  grid-column: span 1;
+}
+
+.col-span-2 {
+  grid-column: span 2;
+}
+
+.col-span-3 {
+  grid-column: span 3;
+}
+
+.col-span-4 {
+  grid-column: span 4;
+}
+
+.col-span-5 {
+  grid-column: span 5;
+}
+
+.col-span-6 {
+  grid-column: span 6;
+}
+
+.col-span-full {
+  grid-column: 1 / -1;
+}
+
+.row-span-1 {
+  grid-row: span 1;
+}
+
+.row-span-2 {
+  grid-row: span 2;
+}
+
+.row-span-3 {
+  grid-row: span 3;
+}
+
+// API Grid
+.api-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+  gap: $spacing-lg;
+
+  @include respond-to('md') {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+  }
+}
+
+// Experience Grid
+.experience-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+  gap: $spacing-lg;
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+  }
+}
+
+// Partners Grid
+.partners-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  gap: $spacing-2xl;
+  align-items: center;
+
+  @include respond-to('sm') {
+    grid-template-columns: repeat(2, 1fr);
+  }
+}
+
+// Feature Grid
+.feature-grid {
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: $spacing-xl;
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+  }
+}
+
+// Demo Grid
+.demo-wrapper {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: $spacing-2xl;
+  align-items: start;
+
+  @include respond-to('md') {
+    grid-template-columns: 1fr;
+  }
+}
+
+// Footer Grid
+.footer-grid {
+  display: grid;
+  grid-template-columns: 2fr 3fr;
+  gap: $spacing-5xl;
+
+  @include respond-to('md') {
+    grid-template-columns: 1fr;
+    gap: $spacing-2xl;
+  }
+
+  .footer-links {
+    display: grid;
+    grid-template-columns: repeat(4, 1fr);
+    gap: $spacing-2xl;
+
+    @include respond-to('md') {
+      grid-template-columns: repeat(2, 1fr);
+    }
+
+    @include respond-to('sm') {
+      grid-template-columns: 1fr;
+      text-align: center;
+    }
+  }
+}
+
+// Pricing Grid
+.pricing-grid {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: $spacing-lg;
+  align-items: center;
+
+  @include respond-to('md') {
+    grid-template-columns: 1fr;
+    gap: $spacing-xl;
+  }
+}
+
+// Testimonial Grid
+.testimonial-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
+  gap: $spacing-lg;
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+  }
+}
+
+// Stats Grid
+.stats-grid {
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: $spacing-xl;
+  text-align: center;
+
+  @include respond-to('md') {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  @include respond-to('sm') {
+    grid-template-columns: 1fr;
+  }
+}
+
+// Two Column Layout
+.two-column {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: $spacing-3xl;
+  align-items: center;
+
+  @include respond-to('md') {
+    grid-template-columns: 1fr;
+    gap: $spacing-xl;
+  }
+
+  &.reverse {
+    direction: rtl;
+
+    > * {
+      direction: ltr;
+    }
+
+    @include respond-to('md') {
+      direction: ltr;
+    }
+  }
+}
+
+// Three Column Layout
+.three-column {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: $spacing-xl;
+
+  @include respond-to('md') {
+    grid-template-columns: 1fr;
+  }
+}

src/main/resources/static/sass/layout/_header.scss

@@ -0,0 +1,805 @@
+// -----------------------------------------------------------------------------
+// Header styles - Modern & Responsive Design
+// -----------------------------------------------------------------------------
+
+// CSS Variables for modern header styling
+:root {
+  // Enhanced color palette from design
+  --primary-blue: #4B9BFF;
+  --secondary-blue: #2E7FF7;
+  --accent-cyan: #00D4FF;
+  --accent-yellow: #FFD93D;
+  --accent-orange: #FF6B6B;
+  --accent-green: #6BCF7F;
+  --accent-purple: #A78BFA;
+
+  // Base colors
+  --text-dark: #1A1A2E;
+  --text-gray: #64748B;
+  --text-light: #94A3B8;
+  --white: #FFFFFF;
+  --gray-bg: #F8FAFC;
+  --light-bg: #EFF6FF;
+  --border-gray: #E2E8F0;
+
+  // Gradients
+  --gradient-primary: linear-gradient(135deg, #4B9BFF 0%, #2E7FF7 100%);
+  --gradient-accent: linear-gradient(135deg, #00D4FF 0%, #4B9BFF 100%);
+  --gradient-warm: linear-gradient(135deg, #FFD93D 0%, #FF6B6B 100%);
+
+  // Shadows
+  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
+  --shadow-md: 0 4px 12px rgba(75, 155, 255, 0.1);
+  --shadow-lg: 0 8px 24px rgba(75, 155, 255, 0.15);
+  --shadow-xl: 0 16px 40px rgba(75, 155, 255, 0.2);
+}
+
+// Blind text for screen readers
+.blind {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+// ===========================
+// Modern Header Structure
+// ===========================
+.global-header {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  background: rgba(255, 255, 255, 0.95);
+  backdrop-filter: blur(10px);
+  -webkit-backdrop-filter: blur(10px);
+  box-shadow: var(--shadow-sm);
+  z-index: 1000;
+  height: 80px;
+  transition: all 0.3s ease;
+}
+
+.header-content {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  height: 80px;
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 0 20px;
+}
+
+// ===========================
+// Header Layout Components
+// ===========================
+
+// Header Left Section
+.header-left {
+  display: flex;
+  align-items: center;
+
+  .logo {
+    height: 45px;
+    width: auto;
+  }
+}
+
+// Logo Wrapper
+.logo-wrapper {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+// Logo with modern styling
+.logo {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  height: 45px;
+  z-index: 10;
+
+  a {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    height: 100%;
+    text-decoration: none;
+  }
+
+  img {
+    height: 45px;
+    width: auto;
+  }
+}
+
+.logo-text {
+  font-size: 16px;
+  font-weight: 700;
+  color: var(--primary-blue);
+  padding: 4px 12px;
+  background: var(--light-bg);
+  border-radius: 20px;
+  text-decoration: none;
+  display: inline-block;
+  transition: all 0.3s ease;
+
+  // When logo-text is a link
+  &:hover {
+    background: var(--primary-blue);
+    color: var(--white);
+    transform: translateY(-1px);
+    box-shadow: var(--shadow-md);
+  }
+
+  &:visited {
+    color: var(--primary-blue);
+  }
+}
+
+// Logo link styles
+.logo-link,
+.mobile-logo-link,
+.drawer-logo-link {
+  display: inline-block;
+  text-decoration: none;
+  transition: transform 0.3s ease;
+
+  &:hover {
+    transform: scale(1.05);
+  }
+
+  img {
+    display: block;
+  }
+}
+
+// Header Right Section
+.header-right {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+}
+
+// Search Button
+.search-btn {
+  width: 40px;
+  height: 40px;
+  background: var(--gray-bg);
+  border: none;
+  border-radius: 50%;
+  cursor: pointer;
+  font-size: 16px;
+  color: var(--text-gray);
+  transition: all 0.3s ease;
+
+  &:hover {
+    background: var(--light-bg);
+    color: var(--primary-blue);
+    transform: scale(1.1);
+  }
+}
+
+// ===========================
+// Desktop/Mobile Layout Control
+// ===========================
+.desktop-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  width: 100%;
+
+  @media (max-width: 768px) {
+    display: none;
+  }
+}
+
+.mobile-header {
+  display: none;
+  align-items: center;
+  justify-content: space-between;
+  width: 100%;
+
+  @media (max-width: 768px) {
+    display: flex;
+  }
+}
+
+// ===========================
+// Mobile Header Components
+// ===========================
+.mobile-left {
+  .mobile-logo {
+    height: 32px;
+    width: auto;
+  }
+}
+
+.mobile-center {
+  flex: 1;
+  text-align: center;
+
+  .mobile-title {
+    font-size: 18px;
+    font-weight: 700;
+    color: var(--text-dark);
+    margin: 0;
+  }
+}
+
+.mobile-right {
+  .mobile-menu-btn {
+    width: 40px;
+    height: 40px;
+    background: transparent;
+    border: none;
+    cursor: pointer;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    gap: 4px;
+    padding: 8px;
+    border-radius: 8px;
+    transition: background-color 0.3s ease;
+
+    &:hover {
+      background: var(--gray-bg);
+    }
+
+    .hamburger-line {
+      width: 24px;
+      height: 2px;
+      background: var(--text-dark);
+      transition: all 0.3s ease;
+      border-radius: 1px;
+    }
+
+    &.active {
+      .hamburger-line {
+        &:nth-child(1) {
+          transform: rotate(45deg) translateY(6px);
+        }
+        &:nth-child(2) {
+          opacity: 0;
+        }
+        &:nth-child(3) {
+          transform: rotate(-45deg) translateY(-6px);
+        }
+      }
+    }
+  }
+}
+
+// ===========================
+// Mobile Drawer/Modal
+// ===========================
+.mobile-drawer {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 9999;
+  visibility: hidden;
+  opacity: 0;
+  transition: all 0.3s ease;
+
+  &.active {
+    visibility: visible;
+    opacity: 1;
+
+    .drawer-content {
+      transform: translateY(0);
+    }
+  }
+
+  .drawer-overlay {
+    display: none; // Not needed for full-screen drawer
+  }
+
+  .drawer-content {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    width: 100%;
+    height: 100%;
+    background: var(--white);
+    transform: translateY(100%);
+    transition: transform 0.3s ease;
+    display: flex;
+    flex-direction: column;
+  }
+
+  .drawer-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 20px;
+    border-bottom: 2px solid var(--border-gray);
+    background: var(--white);
+    box-shadow: var(--shadow-sm);
+    min-height: 60px;
+
+    .drawer-logo {
+      display: flex;
+      align-items: center;
+      gap: 12px;
+
+      .logo {
+        height: 32px;
+        width: auto;
+      }
+
+      .logo-text {
+        font-size: 16px;
+        font-weight: 700;
+        color: var(--primary-blue);
+      }
+    }
+
+    .drawer-close {
+      width: 40px;
+      height: 40px;
+      background: transparent;
+      border: none;
+      cursor: pointer;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      border-radius: 8px;
+      font-size: 18px;
+      color: var(--text-gray);
+      transition: all 0.3s ease;
+
+      &:hover {
+        background: var(--white);
+        color: var(--text-dark);
+      }
+    }
+  }
+
+  .drawer-nav {
+    flex: 1;
+    padding: 0;
+    overflow-y: auto;
+    background: var(--white);
+
+    .drawer-menu {
+      list-style: none;
+      margin: 0;
+      padding: 20px 0;
+
+      li {
+        margin-bottom: 8px;
+
+        .drawer-link {
+          display: block;
+          padding: 16px 24px;
+          margin: 0 20px;
+          color: var(--text-dark);
+          text-decoration: none;
+          font-size: 18px;
+          font-weight: 500;
+          border-radius: 12px;
+          transition: all 0.3s ease;
+
+          &:hover, &:active {
+            background: var(--light-bg);
+            color: var(--primary-blue);
+            transform: translateX(4px);
+            box-shadow: var(--shadow-sm);
+          }
+        }
+      }
+    }
+  }
+
+  .drawer-actions {
+    padding: 24px;
+    border-top: 2px solid var(--border-gray);
+    background: var(--white);
+    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
+
+    .drawer-login-btn {
+      display: block;
+      text-align: center;
+      padding: 14px 20px;
+      color: var(--text-dark);
+      text-decoration: none;
+      border: 2px solid var(--primary-blue);
+      border-radius: 12px;
+      font-weight: 600;
+      font-size: 16px;
+      margin-bottom: 12px;
+      transition: all 0.3s ease;
+
+      &:hover {
+        background: var(--light-bg);
+        color: var(--primary-blue);
+      }
+    }
+
+    .drawer-signup-btn {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      gap: 8px;
+      padding: 14px 20px;
+      background: var(--gradient-primary);
+      color: var(--white);
+      text-decoration: none;
+      border-radius: 12px;
+      font-weight: 600;
+      font-size: 16px;
+      margin-bottom: 12px;
+      transition: all 0.3s ease;
+      box-shadow: var(--shadow-md);
+
+      &:hover {
+        transform: translateY(-2px);
+        box-shadow: var(--shadow-lg);
+      }
+    }
+
+    .drawer-search-btn {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      gap: 8px;
+      width: 100%;
+      padding: 14px 20px;
+      background: var(--gray-bg);
+      color: var(--text-dark);
+      border: none;
+      border-radius: 12px;
+      font-weight: 500;
+      font-size: 16px;
+      cursor: pointer;
+      transition: all 0.3s ease;
+
+      &:hover {
+        background: var(--light-bg);
+        color: var(--primary-blue);
+      }
+    }
+  }
+}
+
+.btn-mobilemenu {
+  position: absolute;
+  right: $spacing-md;
+  top: 50%;
+  transform: translateY(-50%);
+  width: 40px;
+  height: 40px;
+  background: transparent;
+  border: none;
+  cursor: pointer;
+  padding: 8px;
+  z-index: $z-index-modal + 1; // Above the nav
+
+  span {
+    display: block;
+    width: 24px;
+    height: 2px;
+    background: $text-dark;
+    position: relative;
+    transition: all $transition-fast;
+    text-indent: -9999px;
+
+    &::before,
+    &::after {
+      content: '';
+      position: absolute;
+      left: 0;
+      width: 24px;
+      height: 2px;
+      background: $text-dark;
+      transition: all $transition-fast;
+    }
+
+    &::before { top: -8px; }
+    &::after { top: 8px; }
+  }
+
+  &.on span {
+    background: transparent;
+    &::before { top: 0; transform: rotate(45deg); }
+    &::after { top: 0; transform: rotate(-45deg); }
+  }
+}
+
+// ===========================
+// Unified Navigation (Mobile-First)
+// ===========================
+.main-nav.m-nav {
+  // Mobile: Off-canvas menu
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: $white;
+  z-index: $z-index-modal;
+  right: -100%; // Initial state for JS animation
+  transition: none; // JS handles animation
+  overflow-y: auto;
+  display: flex;
+  flex-direction: column;
+
+  // The JS will directly manipulate the 'right' property, not toggle a class for this element.
+  // So, no .active or .on state here for the main nav panel.
+
+  .nav-header {
+    padding: $spacing-lg;
+    background: $gray-bg;
+    border-bottom: 1px solid $border-gray;
+  }
+
+  .nav-list {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+    flex-grow: 1;
+
+    .nav-item {
+      border-bottom: 1px solid $border-gray;
+
+      > a {
+        display: flex;
+        align-items: center;
+        padding: $spacing-lg;
+        color: $text-dark;
+        font-size: $font-size-md;
+        font-weight: $font-weight-medium;
+        text-decoration: none;
+        position: relative;
+      }
+
+      &.has-submenu > a::after {
+        content: '';
+        position: absolute;
+        right: $spacing-lg;
+        top: 50%;
+        width: 8px;
+        height: 8px;
+        border-right: 2px solid $text-gray;
+        border-bottom: 2px solid $text-gray;
+        transform: translateY(-50%) rotate(45deg);
+        transition: transform $transition-fast;
+      }
+
+      &.expanded > a::after {
+        transform: translateY(-25%) rotate(-135deg);
+      }
+
+      .sub-menu {
+        display: none;
+        list-style: none;
+        padding: 0;
+        margin: 0;
+        background: $gray-bg;
+
+        a {
+          display: block;
+          padding: $spacing-md $spacing-lg $spacing-md ($spacing-lg * 2);
+          color: $text-gray;
+          font-size: $font-size-sm;
+          text-decoration: none;
+
+          &:hover {
+            background: $white;
+            color: $primary-blue;
+          }
+        }
+      }
+
+      &.expanded .sub-menu {
+        display: block;
+      }
+    }
+  }
+
+  .info_wrap {
+    padding: $spacing-xl $spacing-lg;
+    background: $white;
+    border-top: 1px solid $border-gray;
+    margin-top: auto;
+    // styles for tit1, tit2...
+  }
+}
+
+// ===========================
+// Modern Navigation Menu
+// ===========================
+.nav-menu {
+  display: flex;
+  list-style: none;
+  gap: 8px;
+  margin: 0;
+  padding: 0;
+}
+
+.nav-link {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  text-decoration: none;
+  color: var(--text-dark);
+  font-weight: 500;
+  font-size: 15px;
+  padding: 8px 16px;
+  border-radius: 8px;
+  transition: all 0.3s ease;
+
+  &:hover {
+    background: var(--light-bg);
+    color: var(--primary-blue);
+    transform: translateY(-2px);
+  }
+}
+
+.nav-icon {
+  font-size: 18px;
+}
+
+.signup-btn {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  text-decoration: none;
+  background: var(--gradient-primary);
+  color: var(--white);
+  padding: 12px 24px;
+  border-radius: 50px;
+  font-weight: 600;
+  transition: all 0.3s ease;
+  box-shadow: var(--shadow-md);
+
+  &:hover {
+    transform: translateY(-2px);
+    box-shadow: var(--shadow-lg);
+  }
+}
+
+// ===========================
+// Desktop Navigation Styles
+// ===========================
+@include respond-to('desktop') {
+  .m-only { display: none !important; }
+  .pc-only { display: block !important; }
+
+  .btn-mobilemenu { display: none; }
+
+  .main-nav.m-nav {
+    position: static;
+    right: auto;
+    transition: none;
+    flex-direction: row;
+    align-items: center;
+    overflow: visible;
+    background: transparent;
+    height: 100%;
+    flex: 1;
+
+    .nav-header { display: none; }
+    .info_wrap { display: none; }
+
+    .nav-list {
+      display: flex;
+      height: 100%;
+      flex-grow: 1;
+
+      .nav-item {
+        border-bottom: none;
+        position: relative;
+        height: 100%;
+
+        > a {
+          height: 100%;
+          padding: 0 24px;
+          color: var(--text-dark);
+          font-weight: 500;
+          font-size: 15px;
+          transition: all 0.3s ease;
+
+          &:hover {
+            color: var(--primary-blue);
+            &::after {
+              content: '';
+              position: absolute;
+              bottom: 0;
+              left: 24px;
+              right: 24px;
+              height: 3px;
+              background: var(--primary-blue);
+              border-radius: 2px;
+            }
+          }
+        }
+
+        &.has-submenu > a::after { display: none; }
+
+        .sub-menu {
+          position: absolute;
+          top: 100%;
+          left: 0;
+          background: var(--white);
+          border: 1px solid var(--border-gray);
+          border-radius: 8px;
+          box-shadow: var(--shadow-lg);
+          min-width: 200px;
+          padding: 8px 0;
+          display: none;
+          z-index: 1001;
+
+          a {
+            display: block;
+            padding: 8px 16px;
+            color: var(--text-dark);
+            font-size: 14px;
+            text-decoration: none;
+            transition: all 0.3s ease;
+
+            &:hover {
+              background: var(--light-bg);
+              color: var(--primary-blue);
+            }
+          }
+        }
+
+        &:hover .sub-menu {
+          display: block;
+        }
+      }
+    }
+  }
+}
+
+// ===========================
+// Body Layout Compensation
+// ===========================
+body {
+  padding-top: 80px; // Compensate for fixed header
+}
+
+// ===========================
+// Mobile Responsive Design
+// ===========================
+@media (max-width: 768px) {
+  .global-header {
+    height: 60px;
+
+    .container .header-content {
+      padding: 0 16px;
+      height: 60px;
+    }
+  }
+
+  body {
+    padding-top: 60px; // Smaller header on mobile
+  }
+}
+
+@media (max-width: 480px) {
+  .global-header {
+    .header-content {
+      padding: 0 12px;
+    }
+  }
+
+  .logo {
+    .logo-text {
+      display: none; // Hide logo text on very small screens
+    }
+  }
+
+}

src/main/resources/static/sass/main.scss

@@ -0,0 +1,47 @@
+// -----------------------------------------------------------------------------
+// Main SASS Entry Point - Version 2 (Modern Vibrant Design)
+// Based on design/styles-v2.css
+// -----------------------------------------------------------------------------
+
+@charset "utf-8";
+
+// 1. Configuration and helpers (no CSS output)
+@import 'abstracts/variables';
+@import 'abstracts/mixins';
+
+// 2. Base styles
+@import 'base/reset';
+@import 'base/typography';
+@import 'base/animations';
+
+// 3. Layout
+@import 'layout/header';
+@import 'layout/footer';
+@import 'layout/grid';
+@import 'layout/container';
+
+// 4. Components
+@import 'components/buttons';
+@import 'components/cards';
+@import 'components/forms';
+@import 'components/modals';
+@import 'components/navigation';
+@import 'components/partners';
+@import 'components/cta';
+
+// 5. Page-specific styles
+@import 'pages/index';
+@import 'pages/home';
+@import 'pages/api-portal';
+@import 'pages/api-market';
+@import 'pages/documentation';
+@import 'pages/login';
+
+// 6. Themes
+@import 'themes/dark';
+
+// 7. Utilities (should be last)
+@import 'base/utilities';
+
+// 8. Vendor overrides
+@import 'vendors/overrides';

src/main/resources/static/sass/pages/_api-market.scss

@@ -0,0 +1,780 @@
+// -----------------------------------------------------------------------------
+// API Market Page - Modern Sidebar + Card Grid Layout
+// Reference: design/api-market.html
+// -----------------------------------------------------------------------------
+
+.api-market-container {
+  display: flex;
+  min-height: 100vh;
+  background-color: $gray-bg;
+  position: relative;
+}
+
+// Sidebar Navigation
+.api-market-sidebar {
+  width: 280px;
+  background-color: $white;
+  border-right: 1px solid $border-gray;
+  padding: $spacing-2xl $spacing-lg;
+  position: sticky;
+  top: 0;
+  height: 100vh;
+  overflow-y: auto;
+  flex-shrink: 0;
+
+  @media (max-width: $breakpoint-md) {
+    width: 240px;
+  }
+
+  @media (max-width: $breakpoint-sm) {
+    position: fixed;
+    left: 0;
+    top: 60px; // Below mobile header
+    transform: translateX(-100%);
+    transition: transform 0.3s ease;
+    box-shadow: $shadow-lg;
+    z-index: $z-index-modal;
+    height: calc(100vh - 60px); // Full height minus header
+
+    &.mobile-open {
+      transform: translateX(0);
+    }
+  }
+}
+
+.api-sidebar-nav {
+  .menu-section {
+    margin-bottom: $spacing-xs;
+  }
+
+  .menu-title {
+    padding: 12px $spacing-md;
+    font-size: $font-size-sm;
+    font-weight: $font-weight-semibold;
+    color: $secondary-blue;
+    cursor: pointer;
+    border-radius: $border-radius-md;
+    transition: $transition-base;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+
+    &:hover {
+      background-color: $gray-bg;
+    }
+
+    &.active {
+      background-color: $light-bg;
+      color: $secondary-blue;
+    }
+
+    .api-count {
+      display: inline-flex;
+      align-items: center;
+      justify-content: center;
+      min-width: 24px;
+      height: 24px;
+      padding: 0 $spacing-sm;
+      background-color: rgba($primary-blue, 0.1);
+      color: $primary-blue;
+      font-size: $font-size-xs;
+      font-weight: $font-weight-semibold;
+      border-radius: $border-radius-full;
+      transition: $transition-base;
+    }
+
+    &.active .api-count {
+      background-color: $primary-blue;
+      color: $white;
+    }
+  }
+
+  // Level 2: API List
+  .api-list {
+    padding-left: $spacing-md;
+    margin-top: $spacing-xs;
+    margin-bottom: $spacing-sm;
+  }
+
+  .api-item {
+    padding: 8px $spacing-md;
+    font-size: $font-size-sm;
+    color: $text-gray;
+    cursor: pointer;
+    border-radius: $border-radius-sm;
+    transition: $transition-base;
+    display: flex;
+    align-items: center;
+    position: relative;
+    margin-bottom: 4px;
+
+    &::before {
+      content: '•';
+      margin-right: $spacing-sm;
+      color: $primary-blue;
+      opacity: 0.5;
+    }
+
+    &:hover {
+      background-color: rgba($primary-blue, 0.05);
+      color: $text-dark;
+      padding-left: calc($spacing-md + 4px);
+
+      &::before {
+        opacity: 1;
+      }
+    }
+
+    &.active {
+      background-color: rgba($primary-blue, 0.1);
+      color: $primary-blue;
+      font-weight: $font-weight-medium;
+
+      &::before {
+        opacity: 1;
+      }
+    }
+
+    .api-name {
+      flex: 1;
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+    }
+  }
+}
+
+// Main Content Area
+.api-market-content {
+  flex: 1;
+  padding: $spacing-2xl $spacing-3xl;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+
+  @media (max-width: $breakpoint-sm) {
+    padding: $spacing-lg $spacing-md;
+  }
+}
+
+// Mobile Menu Toggle
+.api-mobile-toggle {
+  display: none;
+  position: fixed;
+  bottom: $spacing-lg;
+  right: $spacing-lg;
+  width: 56px;
+  height: 56px;
+  background: $gradient-primary;
+  border-radius: $border-radius-circle;
+  border: none;
+  color: $white;
+  font-size: 24px;
+  cursor: pointer;
+  box-shadow: $shadow-lg;
+  z-index: $z-index-modal + 1;
+  transition: $transition-base;
+
+  &:hover {
+    transform: scale(1.05);
+    box-shadow: $shadow-xl;
+  }
+
+  &:active {
+    transform: scale(0.95);
+  }
+
+  @media (max-width: $breakpoint-sm) {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+}
+
+// Header Section
+.api-market-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: $spacing-2xl;
+
+  @media (max-width: $breakpoint-sm) {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: $spacing-lg;
+  }
+}
+
+.api-market-title {
+  h1 {
+    font-size: $font-size-sm;
+    color: $text-gray;
+    font-weight: $font-weight-regular;
+    margin-bottom: $spacing-xs;
+  }
+
+  h2 {
+    font-size: $font-size-2xl;
+    font-weight: $font-weight-bold;
+    color: $text-dark;
+  }
+}
+
+// Search Box
+.api-market-search {
+  position: relative;
+  width: 300px;
+
+  @media (max-width: $breakpoint-sm) {
+    width: 100%;
+  }
+
+  form {
+    position: relative;
+    display: flex;
+    align-items: center;
+  }
+
+  input {
+    flex: 1;
+    padding: 12px 48px 12px $spacing-md;
+    border: 1px solid $border-gray;
+    border-radius: $border-radius-lg;
+    font-size: $font-size-sm;
+    outline: none;
+    transition: $transition-base;
+
+    &:focus {
+      border-color: $primary-blue;
+      box-shadow: 0 0 0 3px rgba($primary-blue, 0.1);
+    }
+
+    &::placeholder {
+      color: $text-light;
+    }
+  }
+
+  .search-submit-btn {
+    position: absolute;
+    right: 4px;
+    top: 50%;
+    transform: translateY(-50%);
+    width: 36px;
+    height: 36px;
+    background: transparent;
+    border: none;
+    border-radius: $border-radius-md;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: $transition-base;
+    color: $text-gray;
+
+    &:hover {
+      background: $light-bg;
+      color: $primary-blue;
+      transform: translateY(-50%) scale(1.05);
+    }
+
+    &:active {
+      transform: translateY(-50%) scale(0.95);
+    }
+
+    .search-icon {
+      font-size: 18px;
+      display: block;
+    }
+  }
+}
+
+// Result Count
+.api-result-count {
+  font-size: $font-size-base;
+  color: $text-gray;
+  margin-bottom: $spacing-xl;
+
+  strong {
+    color: $primary-blue;
+    font-weight: $font-weight-semibold;
+  }
+}
+
+// Card Grid
+.api-card-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
+  gap: $spacing-lg;
+
+  @media (max-width: $breakpoint-sm) {
+    grid-template-columns: 1fr;
+  }
+}
+
+// API Card
+.api-card {
+  background: $white;
+  border-radius: $border-radius-lg;
+  padding: $spacing-xl;
+  box-shadow: $shadow-sm;
+  transition: $transition-base;
+  cursor: pointer;
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  min-height: 220px;
+  position: relative;
+  overflow: hidden;
+
+  &::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    height: 4px;
+    background: $gradient-primary;
+    transform: scaleX(0);
+    transform-origin: left;
+    transition: transform 0.3s ease;
+  }
+
+  &:hover {
+    box-shadow: $shadow-lg;
+    transform: translateY(-5px);
+
+    &::before {
+      transform: scaleX(1);
+    }
+
+    .api-card-icon {
+      transform: scale(1.1);
+    }
+  }
+
+  &:active {
+    transform: translateY(-3px);
+  }
+}
+
+.api-card-header {
+  display: flex;
+  align-items: center;
+  gap: $spacing-sm;
+  margin-bottom: $spacing-md;
+}
+
+.api-card-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 12px;
+  background-color: $gray-bg;
+  border-radius: $border-radius-sm;
+  font-size: $font-size-xs;
+  color: $text-gray;
+  font-weight: $font-weight-medium;
+
+  &::before {
+    content: "◉";
+    color: $primary-blue;
+    font-size: 10px;
+  }
+}
+
+.api-card-title {
+  font-size: $font-size-md;
+  font-weight: $font-weight-semibold;
+  color: $text-dark;
+  margin-bottom: 12px;
+  line-height: $line-height-tight;
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+}
+
+.api-card-description {
+  font-size: $font-size-sm;
+  color: $text-gray;
+  line-height: $line-height-normal;
+  flex-grow: 1;
+  display: -webkit-box;
+  -webkit-line-clamp: 3;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+}
+
+.api-card-icon {
+  text-align: center;
+  margin-top: $spacing-lg;
+  font-size: 48px;
+  opacity: 0.8;
+  transition: transform 0.3s ease;
+
+  img {
+    max-width: 60px;
+    max-height: 60px;
+    object-fit: contain;
+  }
+}
+
+// Icon color variations
+.api-card:nth-child(3n+1) .api-card-icon {
+  color: #60a5fa;
+}
+
+.api-card:nth-child(3n+2) .api-card-icon {
+  color: #34d399;
+}
+
+.api-card:nth-child(3n+3) .api-card-icon {
+  color: #818cf8;
+}
+
+// Empty State
+.api-empty-state {
+  text-align: center;
+  padding: $spacing-5xl $spacing-lg;
+  color: $text-gray;
+
+  .empty-icon {
+    font-size: 80px;
+    margin-bottom: $spacing-lg;
+    opacity: 0.5;
+  }
+
+  h3 {
+    font-size: $font-size-xl;
+    font-weight: $font-weight-semibold;
+    color: $text-dark;
+    margin-bottom: $spacing-md;
+  }
+
+  p {
+    font-size: $font-size-base;
+    color: $text-gray;
+  }
+}
+
+// Loading State
+.api-loading {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  padding: $spacing-5xl;
+
+  .spinner {
+    width: 48px;
+    height: 48px;
+    border: 4px solid $border-gray;
+    border-top-color: $primary-blue;
+    border-radius: $border-radius-circle;
+    animation: spin 1s linear infinite;
+  }
+}
+
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+// Mobile Overlay
+.api-mobile-overlay {
+  display: none;
+  position: fixed;
+  top: 60px; // Below mobile header
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba($black, 0.5);
+  z-index: $z-index-modal - 1;
+  opacity: 0;
+  transition: opacity 0.3s ease;
+  pointer-events: none;
+
+  @media (max-width: $breakpoint-sm) {
+    display: block;
+  }
+
+  &.active {
+    opacity: 1;
+    pointer-events: auto;
+  }
+}
+
+// API Detail Content
+.api-detail-content {
+  display: flex;
+  flex-direction: column;
+  gap: $spacing-xl;
+}
+
+// Tab Navigation
+.api-detail-tabs {
+  display: flex;
+  gap: $spacing-sm;
+  border-bottom: 2px solid $border-gray;
+  margin-bottom: $spacing-xl;
+
+  .tab-button {
+    padding: $spacing-md $spacing-lg;
+    background: transparent;
+    border: none;
+    border-bottom: 3px solid transparent;
+    font-size: $font-size-base;
+    font-weight: $font-weight-medium;
+    color: $text-gray;
+    cursor: pointer;
+    transition: $transition-base;
+    position: relative;
+    bottom: -2px;
+
+    &:hover {
+      color: $primary-blue;
+      background-color: rgba($primary-blue, 0.05);
+    }
+
+    &.active {
+      color: $primary-blue;
+      font-weight: $font-weight-semibold;
+      border-bottom-color: $primary-blue;
+    }
+  }
+}
+
+// Tab Content
+.tab-content {
+  display: none;
+  flex-direction: column;
+  gap: $spacing-xl;
+  min-height: 200px;
+
+  &.active {
+    display: flex;
+  }
+}
+
+// API Overview Card
+.api-overview-card {
+  background: $white;
+  border-radius: $border-radius-lg;
+  padding: $spacing-xl;
+  box-shadow: $shadow-sm;
+  display: flex;
+  flex-direction: column;
+  gap: $spacing-lg;
+
+  .api-overview-header {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    gap: $spacing-md;
+
+    @media (max-width: $breakpoint-sm) {
+      flex-direction: column;
+      align-items: flex-start;
+    }
+  }
+
+  .api-method-badge {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+    padding: 8px 16px;
+    background: $gradient-primary;
+    color: $white;
+    font-size: $font-size-sm;
+    font-weight: $font-weight-semibold;
+    border-radius: $border-radius-sm;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+  }
+
+  .api-endpoint {
+    flex: 1;
+
+    code {
+      display: block;
+      padding: $spacing-sm $spacing-md;
+      background-color: $gray-bg;
+      border: 1px solid $border-gray;
+      border-radius: $border-radius-md;
+      font-size: $font-size-md;
+      font-family: 'Courier New', monospace;
+      color: $text-dark;
+      word-break: break-all;
+    }
+  }
+
+  .api-simple-description {
+    padding: $spacing-md 0;
+    border-bottom: 1px solid $border-gray;
+
+    p {
+      font-size: $font-size-base;
+      color: $text-gray;
+      line-height: $line-height-normal;
+      margin: 0;
+    }
+  }
+
+  .api-overview-info {
+    h4 {
+      font-size: $font-size-md;
+      font-weight: $font-weight-semibold;
+      color: $text-dark;
+      margin-bottom: $spacing-md;
+    }
+  }
+}
+
+// API Details Grid
+.api-details-grid {
+  display: flex;
+  flex-direction: column;
+  gap: $spacing-lg;
+}
+
+// API Detail Card
+.api-detail-card {
+  background: $white;
+  border-radius: $border-radius-lg;
+  padding: $spacing-xl;
+  box-shadow: $shadow-sm;
+  transition: $transition-base;
+
+  &:hover {
+    box-shadow: $shadow-md;
+  }
+
+  h3 {
+    font-size: $font-size-lg;
+    font-weight: $font-weight-semibold;
+    color: $text-dark;
+    margin-bottom: $spacing-md;
+    padding-bottom: $spacing-sm;
+    border-bottom: 2px solid $light-bg;
+  }
+
+  .detail-content {
+    font-size: $font-size-sm;
+    color: $text-gray;
+    line-height: $line-height-normal;
+
+    pre {
+      background-color: $gray-bg;
+      border: 1px solid $border-gray;
+      border-radius: $border-radius-md;
+      padding: $spacing-md;
+      overflow-x: auto;
+      margin: 0;
+
+      code {
+        font-family: 'Courier New', monospace;
+        font-size: $font-size-sm;
+        color: $text-dark;
+        white-space: pre-wrap;
+        word-break: break-word;
+      }
+    }
+
+    // Table styling for HTML tables in specifications
+    table {
+      width: 100%;
+      border-collapse: collapse;
+      margin: $spacing-md 0;
+      background-color: $white;
+      border: 1px solid $border-gray;
+      border-radius: $border-radius-md;
+      overflow: hidden;
+
+      thead {
+        background-color: $light-bg;
+      }
+
+      th {
+        text-align: left;
+        padding: $spacing-sm $spacing-md;
+        font-size: $font-size-sm;
+        font-weight: $font-weight-semibold;
+        color: $text-dark;
+        border-bottom: 2px solid $border-gray;
+        background-color: rgba($primary-blue, 0.05);
+
+        &:not(:last-child) {
+          border-right: 1px solid $border-gray;
+        }
+      }
+
+      td {
+        padding: $spacing-sm $spacing-md;
+        font-size: $font-size-sm;
+        color: $text-gray;
+        border-bottom: 1px solid $border-gray;
+
+        &:not(:last-child) {
+          border-right: 1px solid $border-gray;
+        }
+      }
+
+      tr {
+        transition: $transition-base;
+
+        &:last-child td {
+          border-bottom: none;
+        }
+
+        &:hover {
+          background-color: rgba($primary-blue, 0.02);
+        }
+      }
+
+      tbody tr:nth-child(even) {
+        background-color: rgba($gray-bg, 0.3);
+      }
+    }
+  }
+}
+
+// API Info Table
+.api-info-table {
+  width: 100%;
+  border-collapse: collapse;
+
+  tr {
+    border-bottom: 1px solid $border-gray;
+
+    &:last-child {
+      border-bottom: none;
+    }
+  }
+
+  th {
+    text-align: left;
+    padding: $spacing-sm $spacing-md;
+    font-size: $font-size-sm;
+    font-weight: $font-weight-semibold;
+    color: $text-dark;
+    width: 30%;
+    background-color: $gray-bg;
+  }
+
+  td {
+    padding: $spacing-sm $spacing-md;
+    font-size: $font-size-sm;
+    color: $text-gray;
+
+    code {
+      display: inline-block;
+      padding: 2px 8px;
+      background-color: $gray-bg;
+      border-radius: $border-radius-sm;
+      font-family: 'Courier New', monospace;
+      font-size: $font-size-xs;
+      color: $primary-blue;
+    }
+  }
+}

src/main/resources/static/sass/pages/_api-portal.scss

@@ -0,0 +1,7 @@
+// -----------------------------------------------------------------------------
+// API Portal page specific styles
+// -----------------------------------------------------------------------------
+
+.api-portal-page {
+  // Any API portal-specific styles go here
+}

src/main/resources/static/sass/pages/_documentation.scss

@@ -0,0 +1,7 @@
+// -----------------------------------------------------------------------------
+// Documentation page specific styles
+// -----------------------------------------------------------------------------
+
+.documentation-page {
+  // Any documentation-specific styles go here
+}

src/main/resources/static/sass/pages/_home.scss

@@ -0,0 +1,7 @@
+// -----------------------------------------------------------------------------
+// Home page specific styles
+// -----------------------------------------------------------------------------
+
+.home-page {
+  // Any home-specific styles go here
+}

src/main/resources/static/sass/pages/_login.scss

@@ -0,0 +1,308 @@
+// -----------------------------------------------------------------------------
+// Login Page Styles - Modern Design
+// -----------------------------------------------------------------------------
+
+.login-page {
+  min-height: calc(100vh - 140px); // Account for header and footer
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, var(--light-bg) 0%, var(--gray-bg) 100%);
+  padding: 40px 20px;
+  position: relative;
+  overflow: hidden;
+
+  // Decorative background elements
+  &::before {
+    content: '';
+    position: absolute;
+    top: -50%;
+    right: -20%;
+    width: 600px;
+    height: 600px;
+    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
+    opacity: 0.1;
+    border-radius: 50%;
+  }
+
+  &::after {
+    content: '';
+    position: absolute;
+    bottom: -30%;
+    left: -10%;
+    width: 400px;
+    height: 400px;
+    background: radial-gradient(circle, var(--primary-blue) 0%, transparent 70%);
+    opacity: 0.1;
+    border-radius: 50%;
+  }
+}
+
+.login-container {
+  width: 100%;
+  max-width: 480px;
+  margin: 0 auto;
+  position: relative;
+  z-index: 1;
+}
+
+.login-card {
+  background: var(--white);
+  border-radius: 24px;
+  box-shadow: var(--shadow-xl);
+  padding: 48px 40px;
+  backdrop-filter: blur(10px);
+  border: 1px solid rgba(255, 255, 255, 0.8);
+
+  @media (max-width: 480px) {
+    padding: 32px 24px;
+    border-radius: 16px;
+  }
+}
+
+.login-header {
+  text-align: center;
+  margin-bottom: 40px;
+
+  .login-logo {
+    display: inline-flex;
+    align-items: center;
+    gap: 12px;
+    margin-bottom: 24px;
+
+    img {
+      height: 48px;
+      width: auto;
+    }
+
+    .logo-text {
+      font-size: 20px;
+      font-weight: 700;
+      color: var(--primary-blue);
+      padding: 6px 16px;
+      background: var(--light-bg);
+      border-radius: 24px;
+    }
+  }
+
+  .login-title {
+    font-size: 28px;
+    font-weight: 700;
+    color: var(--text-dark);
+    margin-bottom: 8px;
+  }
+
+  .login-subtitle {
+    font-size: 15px;
+    color: var(--text-gray);
+  }
+}
+
+.login-form {
+  margin-bottom: 24px;
+
+  .form-group {
+    margin-bottom: 20px;
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+
+  .form-label {
+    display: block;
+    font-size: 14px;
+    font-weight: 600;
+    color: var(--text-dark);
+    margin-bottom: 8px;
+  }
+
+  .form-input {
+    width: 100%;
+    padding: 14px 16px;
+    font-size: 15px;
+    border: 2px solid var(--border-gray);
+    border-radius: 12px;
+    background: var(--white);
+    transition: all 0.3s ease;
+    outline: none;
+
+    &::placeholder {
+      color: var(--text-light);
+    }
+
+    &:focus {
+      border-color: var(--primary-blue);
+      box-shadow: 0 0 0 4px rgba(75, 155, 255, 0.1);
+    }
+
+    &.error {
+      border-color: var(--accent-orange);
+
+      &:focus {
+        box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1);
+      }
+    }
+  }
+
+  .form-checkbox {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    margin-top: 16px;
+
+    input[type="checkbox"] {
+      width: 18px;
+      height: 18px;
+      accent-color: var(--primary-blue);
+      cursor: pointer;
+    }
+
+    label {
+      font-size: 14px;
+      color: var(--text-gray);
+      cursor: pointer;
+      user-select: none;
+    }
+  }
+}
+
+.login-button {
+  width: 100%;
+  padding: 16px 24px;
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--white);
+  background: var(--gradient-primary);
+  border: none;
+  border-radius: 12px;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  box-shadow: var(--shadow-md);
+
+  &:hover {
+    transform: translateY(-2px);
+    box-shadow: var(--shadow-lg);
+  }
+
+  &:active {
+    transform: translateY(0);
+  }
+
+  &:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+    transform: none;
+  }
+}
+
+.login-links {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  gap: 16px;
+  margin-top: 32px;
+  padding-top: 32px;
+  border-top: 1px solid var(--border-gray);
+  flex-wrap: wrap;
+
+  @media (max-width: 480px) {
+    gap: 12px;
+    margin-top: 24px;
+    padding-top: 24px;
+  }
+
+  a {
+    font-size: 14px;
+    color: var(--text-gray);
+    text-decoration: none;
+    transition: color 0.3s ease;
+    display: flex;
+    align-items: center;
+    gap: 6px;
+
+    &:hover {
+      color: var(--primary-blue);
+    }
+
+    i {
+      font-size: 16px;
+    }
+  }
+
+  .link-separator {
+    color: var(--border-gray);
+    font-size: 14px;
+  }
+}
+
+// Alert messages
+.login-alert {
+  margin-bottom: 20px;
+  padding: 12px 16px;
+  border-radius: 8px;
+  font-size: 14px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+
+  &.alert-error {
+    background: rgba(255, 107, 107, 0.1);
+    color: var(--accent-orange);
+    border: 1px solid rgba(255, 107, 107, 0.2);
+  }
+
+  &.alert-success {
+    background: rgba(107, 207, 127, 0.1);
+    color: var(--accent-green);
+    border: 1px solid rgba(107, 207, 127, 0.2);
+  }
+
+  &.alert-info {
+    background: rgba(75, 155, 255, 0.1);
+    color: var(--primary-blue);
+    border: 1px solid rgba(75, 155, 255, 0.2);
+  }
+
+  i {
+    font-size: 18px;
+  }
+}
+
+// Loading state
+.login-loading {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(255, 255, 255, 0.9);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 24px;
+  z-index: 10;
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 0.3s ease;
+
+  &.active {
+    opacity: 1;
+    pointer-events: all;
+  }
+
+  .spinner {
+    width: 40px;
+    height: 40px;
+    border: 3px solid var(--border-gray);
+    border-top-color: var(--primary-blue);
+    border-radius: 50%;
+    animation: spin 1s linear infinite;
+  }
+}
+
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}

src/main/resources/static/sass/themes/_dark.scss

@@ -0,0 +1,6 @@
+// -----------------------------------------------------------------------------
+// Dark theme styles (optional)
+// -----------------------------------------------------------------------------
+
+// Dark theme variables can be defined here
+// This file can be left empty if dark theme is not needed yet

src/main/resources/static/sass/vendors/_overrides.scss

@@ -0,0 +1,6 @@
+// -----------------------------------------------------------------------------
+// Vendor library overrides
+// -----------------------------------------------------------------------------
+
+// Place any third-party library style overrides here
+// This file can be left empty if no vendor libraries are used

src/main/resources/templates/views/apps/apis/mainApiDetail.html

@@ -1,204 +1,454 @@
 <!doctype html>
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_api_layout}">
+<html xmlns="http://www.w3.org/1999/xhtml"
+      xmlns:th="http://www.thymeleaf.org"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{layout/kjbank_base_layout}">
+
 <body>
 
-<section layout:fragment="contentFragment" class="content api_con">
-  <style>
-    /* Custom dark theme for CodeMirror */
-    .cm-s-custom-dark.CodeMirror {
-      background-color: #252B37;
-      color: white;
-    }
+<th:block layout:fragment="contentFragment">
+  <section class="api-market-container">
 
-    .cm-s-custom-dark .CodeMirror-gutters {
-      background-color: #1a1a1a;
-      border-right: 1px solid #3a3a3a;
-    }
-
-    .cm-s-custom-dark .CodeMirror-linenumber {
-      color: #777;
-    }
-
-    .cm-s-custom-dark .CodeMirror-cursor {
-      border-left: 1px solid white;
-    }
-
-    .cm-s-custom-dark .cm-string {
-      color: #a6e22e;
-    }
-
-    .cm-s-custom-dark .cm-number {
-      color: #ae81ff;
-    }
-
-    .cm-s-custom-dark .cm-atom {
-      color: #f92672;
-    }
-
-    .cm-s-custom-dark .cm-keyword {
-      color: #66d9ef;
-    }
-
-    .cm-s-custom-dark .cm-property {
-      color: #ccffee;
-    }
-
-    .cm-s-custom-dark .cm-punctuation {
-      color: #f8f8f2;
-    }
-  </style>
-  <div class="content_wrap w_api">
-    <div class="sub_title4">
-      <h2 class="title" th:text="${apiSpecInfo.apiName}"></h2>
-      <p class="infotxt" th:text="${apiSpecInfo.apiSimpleDescription}"></p>
-    </div>
-
-    <div class="pc-only">
-      <div class="inner i_cs h_inner2">
-        <div class="api_stit">
-          <table class="api_table" cellspacing="0" cellpadding="0" width="100%">
-            <colgroup>
-              <col width="200px">
-              <col width="auto">
-            </colgroup>
-            <tbody>
-            <tr>
-              <th>API 명 (URI)</th>
-              <td th:text="${apiSpecInfo.apiUrl}"></td>
-            </tr>
-            <tr>
-              <th>Method</th>
-              <td>[[${apiSpecInfo.apiMethod}]]</td>
-            </tr>
-            <tr>
-              <th>Content-Type</th>
-              <td>[[${apiSpecInfo.apiContentType}]]</td>
-            </tr>
-            </tbody>
-          </table>
-          <div class="api_stit api_dot" th:utext="${apiSpecInfo.description}">
+    <!-- Sidebar Navigation -->
+    <aside class="api-market-sidebar" id="apiSidebar">
+      <nav class="api-sidebar-nav">
+        <!-- All APIs -->
+        <div class="menu-section">
+          <div class="menu-title" th:classappend="${selected == '-1'} ? 'active'" data-group="">
+            전체
+            <span class="api-count" th:text="${totalApiCount}">0</span>
           </div>
         </div>
-      </div>
-    </div>
-    <div class="inner i_cs h_inner2">
-      <div class="api_stit m-only">
-        <table class="api_table" cellspacing="0" cellpadding="0" width="100%">
-          <colgroup>
-            <col width="110px">
-            <col width="auto">
-          </colgroup>
-          <tbody>
-          <tr>
-            <th>API 명 (URI)</th>
-            <td th:text="${apiSpecInfo.apiUrl}"></td>
-          </tr>
-          <tr>
-            <th>Method</th>
-            <td>[[${apiSpecInfo.apiMethod}]]</td>
-          </tr>
-          <tr>
-            <th>Content-Type</th>
-            <td>[[${apiSpecInfo.apiContentType}]]</td>
-          </tr>
-          </tbody>
-        </table>
-        <div class="api_stit api_dot" th:utext="${apiSpecInfo.description}">
+
+        <!-- Service Categories -->
+        <div class="menu-section" th:each="service : ${services}">
+          <div class="menu-title"
+               th:classappend="${selected == service.id} ? 'active'"
+               th:data-group="${service.id}">
+            [[${service.groupName}]]
+            <span class="api-count" th:text="${service.apiGroupApiList.size()}">0</span>
+          </div>
+
+          <!-- Level 2: API List -->
+          <div class="api-list" th:if="${service.apiGroupApiList != null and !service.apiGroupApiList.isEmpty()}">
+            <div class="api-item"
+                 th:each="api : ${service.apiGroupApiList}"
+                 th:data-api-id="${api.apiId}"
+                 th:attr="data-href=@{/apis/detail(apiId=${api.apiId})}">
+              <span class="api-name" th:text="${api.apiDesc}">API Name</span>
+            </div>
+          </div>
+        </div>
+      </nav>
+    </aside>
+
+    <!-- Mobile Menu Toggle -->
+    <button class="api-mobile-toggle" id="mobileToggle" aria-label="메뉴 열기">
+      ☰
+    </button>
+
+    <!-- Mobile Overlay -->
+    <div class="api-mobile-overlay" id="mobileOverlay"></div>
+
+    <!-- Main Content -->
+    <main class="api-market-content">
+
+      <!-- Header -->
+      <div class="api-market-header">
+        <div class="api-market-title">
+          <h1>서비스</h1>
+          <h2 th:text="${apiSpecInfo.apiName}">API 이름</h2>
         </div>
       </div>
+      <!-- API Content -->
+      <div class="api-detail-content">
 
-      <div class="api_stit api_sc api_tb_type api_sc2">
-        <h3>요청 메시지</h3>
-        <div class="pc-only" th:utext="${apiSpecInfo.apiRequestSpec}">
-
+        <!-- Tab Navigation -->
+        <div class="api-detail-tabs">
+          <button class="tab-button active" data-tab="api-info">API 정보</button>
+          <button class="tab-button" data-tab="testbed">테스트베드</button>
         </div>
-        <div class="m-only" th:utext="${apiSpecInfo.apiRequestSpec}">
+
+        <!-- Tab Content -->
+        <div class="tab-content active" id="api-info-tab">
+          <!-- API Overview Card (Merged with Additional Information) -->
+          <div class="api-overview-card">
+          <div class="api-overview-header">
+            <div class="api-method-badge" th:text="${apiSpecInfo.apiMethod}">GET</div>
+            <div class="api-endpoint">
+              <code th:text="${apiSpecInfo.apiUrl}">/api/v1/example</code>
+            </div>
+          </div>
+          <!-- API Information Table -->
+          <div class="api-overview-info">
+            <table class="api-info-table">
+              <tr th:if="${apiSpecInfo.apiContentType != null}">
+                <th>Content Type</th>
+                <td th:text="${apiSpecInfo.apiContentType}">application/json</td>
+              </tr>
+            </table>
+          </div>
+          <div class="api-simple-description" th:if="${apiSpecInfo.apiSimpleDescription != null}">
+            <p th:text="${apiSpecInfo.apiSimpleDescription}">Simple API description</p>
+          </div>
+          <div class="detail-content" th:utext="${apiSpecInfo.description}">
+            Detailed API description
+          </div>
         </div>
-      </div>
-      <div class="api_stit api_sc">
-        <h3>요청 메시지 예제</h3>
-        <ul>
-          <li>
-            <p class="tit">
-              <span>Header</span>
-            </p>
-            <div class="api_sauce">
-              <p>
-                Content-Type: application/json
-              </p>
+
+        <!-- API Details Grid -->
+        <div class="api-details-grid">
+
+          <!-- Request Specification -->
+          <div class="api-detail-card" th:if="${apiSpecInfo.apiRequestSpec != null}">
+            <h3>Request Specification</h3>
+            <div class="detail-content" th:utext="${apiSpecInfo.apiRequestSpec}">
+              Request spec
             </div>
-          </li>
-        </ul>
-      </div>
-      <div class="api_stit api_sc api_sc3">
-        <ul>
-          <li>
-            <p class="tit">
-              <span>Body</span>
-            </p>
-            <div class="api_sauce">
-              <textarea id="sampleRequest" th:text="${apiSpecInfo.sampleRequest}"></textarea>
+          </div>
+
+          <!-- Sample Request -->
+          <div class="api-detail-card" th:if="${apiSpecInfo.sampleRequest != null}">
+            <h3>샘플 요청</h3>
+            <div class="detail-content">
+              <pre><code th:text="${apiSpecInfo.sampleRequest}">Sample request</code></pre>
             </div>
-          </li>
-        </ul>
+          </div>
+
+          <!-- Response Specification -->
+          <div class="api-detail-card" th:if="${apiSpecInfo.apiResponseSpec != null}">
+            <h3>Response Specification</h3>
+            <div class="detail-content" th:utext="${apiSpecInfo.apiResponseSpec}">
+              Response spec
+            </div>
+          </div>
+
+          <!-- Sample Response -->
+          <div class="api-detail-card" th:if="${apiSpecInfo.sampleResponse != null}">
+            <h3>샘플 응답</h3>
+            <div class="detail-content">
+              <pre><code th:text="${apiSpecInfo.sampleResponse}">Sample response</code></pre>
+            </div>
+          </div>
+        </div>
+        </div>
+
+        <!-- Testbed Tab Content -->
+        <div class="tab-content" id="testbed-tab">
+          <link rel="stylesheet" type="text/css" th:href="@{/plugins/swaggerUI/swagger-ui.css}"/>
+          <link rel="stylesheet" type="text/css" th:href="@{/plugins/swaggerUI/index.css}"/>
+
+          <div class="api-overview-card">
+            <div id="swagger-ui"></div>
+          </div>
+        </div>
+
       </div>
 
-      <div class="api_line"></div>
+    </main>
+  </section>
+</th:block>
 
-      <div class="api_stit api_sc api_sc2 api_tb_type">
-        <h3>응답 메시지</h3>
-        <div class="pc-only" th:utext="${apiSpecInfo.apiResponseSpec}"></div>
-        <div class="m-only" th:utext="${apiSpecInfo.apiResponseSpec}"></div>
-      </div>
-      <div class="api_stit api_sc">
-        <h3>응답 메시지 예제</h3>
-        <ul>
-          <li>
-            <p class="tit">
-              <span>Body</span>
-            </p>
-            <div class="api_sauce">
-              <textarea id="sampleResponse" th:text="${apiSpecInfo.sampleResponse}"></textarea>
-            </div>
-          </li>
-        </ul>
-      </div>
-
-      <div class="api_btn">
-        <a th:href="@{/apis/testbed/api(id=${apiSpecInfo.apiId})}" class="common_btn_type_1 gray">테스트</a>
-        <div class="btn_gap"></div>
-        <a href="#none" class="common_btn_type_1" id="requestApiKey">API 이용 신청</a>
-      </div>
-    </div>
-  </div>
-</section>
 </body>
 
-
 <th:block layout:fragment="contentScript">
-  <script>
-    document.addEventListener('DOMContentLoaded', (event) => {
-      const commonOptions = {
-        lineNumbers: false,
-        mode: {name: 'javascript', json: true},
-        theme: 'custom-dark',
-        readOnly: true,
-        autoCloseBrackets: true,
-        matchBrackets: true,
-        foldGutter: true
-      };
-      const sampleRequestEditor = CodeMirror.fromTextArea(document.getElementById('sampleRequest'), commonOptions);
+  <script th:inline="javascript">
+    document.addEventListener('DOMContentLoaded', function() {
+      // DOM Elements
+      const sidebar = document.getElementById('apiSidebar');
+      const mobileToggle = document.getElementById('mobileToggle');
+      const mobileOverlay = document.getElementById('mobileOverlay');
 
-      const sampleResponseEditor = CodeMirror.fromTextArea(document.getElementById('sampleResponse'), commonOptions);
+      // API Card Click Handlers
+      const apiCards = document.querySelectorAll('.api-card');
+      apiCards.forEach(function(card) {
+        // Click handler
+        card.addEventListener('click', function() {
+          const href = this.getAttribute('data-href');
+          if (href) {
+            window.location.href = href;
+          }
+        });
 
-      // Refresh CodeMirror instances to ensure proper rendering
-      sampleRequestEditor.refresh();
-      sampleResponseEditor.refresh();
+        // Keyboard accessibility
+        card.addEventListener('keypress', function(e) {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault();
+            const href = this.getAttribute('data-href');
+            if (href) {
+              window.location.href = href;
+            }
+          }
+        });
+      });
+
+      // Level 2 API Item Click Handlers
+      const apiItems = document.querySelectorAll('.api-item');
+      apiItems.forEach(function(item) {
+        // Click handler
+        item.addEventListener('click', function(e) {
+          e.stopPropagation(); // Prevent parent menu-title click
+          const href = this.getAttribute('data-href');
+          if (href) {
+            window.location.href = href;
+          }
+        });
+
+        // Keyboard accessibility
+        item.addEventListener('keypress', function(e) {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault();
+            e.stopPropagation();
+            const href = this.getAttribute('data-href');
+            if (href) {
+              window.location.href = href;
+            }
+          }
+        });
+      });
+
+      // Category/Service Selection - removed as not needed in detail page
+
+      // Mobile Menu Toggle
+      if (mobileToggle && sidebar && mobileOverlay) {
+        mobileToggle.addEventListener('click', function(e) {
+          e.preventDefault();
+          e.stopPropagation();
+
+          sidebar.classList.toggle('mobile-open');
+          mobileOverlay.classList.toggle('active');
+
+          // Update button text
+          if (sidebar.classList.contains('mobile-open')) {
+            this.innerHTML = '✕';
+            this.setAttribute('aria-label', '메뉴 닫기');
+          } else {
+            this.innerHTML = '☰';
+            this.setAttribute('aria-label', '메뉴 열기');
+          }
+        });
+
+        // Add touch event for better mobile support
+        mobileToggle.addEventListener('touchend', function(e) {
+          e.preventDefault();
+          e.stopPropagation();
+          this.click();
+        });
+
+        // Close menu on overlay click
+        mobileOverlay.addEventListener('click', function() {
+          sidebar.classList.remove('mobile-open');
+          this.classList.remove('active');
+          mobileToggle.innerHTML = '☰';
+          mobileToggle.setAttribute('aria-label', '메뉴 열기');
+        });
+      } else {
+        console.warn('Mobile toggle elements not found:', {
+          mobileToggle: !!mobileToggle,
+          sidebar: !!sidebar,
+          mobileOverlay: !!mobileOverlay
+        });
+      }
+
+      // Close mobile menu on resize to desktop
+      window.addEventListener('resize', function() {
+        if (window.innerWidth > 768 && sidebar.classList.contains('mobile-open')) {
+          sidebar.classList.remove('mobile-open');
+          mobileOverlay.classList.remove('active');
+          mobileToggle.innerHTML = '☰';
+          mobileToggle.setAttribute('aria-label', '메뉴 열기');
+        }
+      });
+
+      // Tab functionality
+      const tabButtons = document.querySelectorAll('.tab-button');
+      const tabContents = document.querySelectorAll('.tab-content');
+
+      tabButtons.forEach(function(button) {
+        button.addEventListener('click', function() {
+          const targetTab = this.getAttribute('data-tab');
+
+          // Remove active class from all buttons and contents
+          tabButtons.forEach(function(btn) {
+            btn.classList.remove('active');
+          });
+          tabContents.forEach(function(content) {
+            content.classList.remove('active');
+          });
+
+          // Add active class to clicked button and corresponding content
+          this.classList.add('active');
+          document.getElementById(targetTab + '-tab').classList.add('active');
+        });
+      });
+
+      // Swagger UI functionality for testbed tab
+      let swaggerInitialized = false;
+      const currentApiId = /*[[${apiSpecInfo.apiId}]]*/ 'default';
+
+      // Initialize Swagger UI when testbed tab is clicked
+      tabButtons.forEach(function(button) {
+        button.addEventListener('click', function() {
+          const targetTab = this.getAttribute('data-tab');
+          if (targetTab === 'testbed' && !swaggerInitialized) {
+            initializeSwagger(currentApiId);
+            swaggerInitialized = true;
+          }
+        });
+      });
+
+      function initializeSwagger(apiId) {
+        if (!apiId || apiId === 'default') {
+          document.getElementById('swagger-ui').innerHTML = '<p>API 정보를 불러올 수 없습니다.</p>';
+          return;
+        }
+
+        const swaggerUrl = `/api/apis/${apiId}/swagger.json`;
+
+        // Load Swagger UI scripts dynamically
+        const loadScript = (src) => {
+          return new Promise((resolve, reject) => {
+            const script = document.createElement('script');
+            script.src = src;
+            script.onload = resolve;
+            script.onerror = reject;
+            document.body.appendChild(script);
+          });
+        };
+
+        // Load required scripts
+        Promise.all([
+          loadScript(/*[[@{/plugins/swaggerUI/swagger-ui-bundle.js}]]*/ ''),
+          loadScript(/*[[@{/plugins/swaggerUI/swagger-ui-standalone-preset.js}]]*/ '')
+        ]).then(() => {
+          // Load code template script
+          return loadScript(/*[[@{/js/code_template.js}]]*/ '');
+        }).then(() => {
+          // Initialize Swagger UI
+          const generateSnippet = (parsedRequest, language) => {
+            let result;
+            try {
+              $.ajax({
+                url: /*[[@{/api/sample_code/}]]*/ '' + language,
+                type: 'POST',
+                async: false,
+                contentType: 'application/json',
+                headers: {
+                  'X-XSRF-TOKEN': /*[[${_csrf.token}]]*/ ''
+                },
+                data: JSON.stringify(parsedRequest),
+                success: function(data) {
+                  result = data;
+                },
+                error: function(jqXHR, textStatus, errorThrown) {
+                  console.error('Error:', errorThrown);
+                }
+              });
+            } catch (error) {
+              console.error('Error:', error);
+            }
+            return result;
+          };
+
+          const SnippetGeneratorPlugin = {
+            fn: {
+              requestSnippetGenerator_csharp: (request) => {
+                var parsedRequest = parseSwaggerRequest(request);
+                return generateSnippet(parsedRequest, 'csharp');
+              },
+              requestSnippetGenerator_ecma5: (request) => {
+                var parsedRequest = parseSwaggerRequest(request);
+                return generateSnippet(parsedRequest, 'ecma5');
+              },
+              requestSnippetGenerator_java: (request) => {
+                var parsedRequest = parseSwaggerRequest(request);
+                return generateSnippet(parsedRequest, 'java');
+              },
+              requestSnippetGenerator_python: (request) => {
+                var parsedRequest = parseSwaggerRequest(request);
+                return generateSnippet(parsedRequest, 'python');
+              }
+            }
+          };
+
+          // Clear existing Swagger UI
+          document.getElementById('swagger-ui').innerHTML = '';
+
+          // Initialize Swagger UI
+          const ui = SwaggerUIBundle({
+            url: swaggerUrl,
+            dom_id: '#swagger-ui',
+            requestInterceptor: function(req) {
+              if (!req.loadSpec) {
+                const urlPath = new URL(req.url).pathname;
+                const method = req.method.toLowerCase();
+
+                const spec = ui.spec();
+                const specString = JSON.stringify(spec);
+                const specData = JSON.parse(specString);
+
+                if (specData && specData.json && specData.json.paths && specData.json.paths[urlPath]) {
+                  const operation = specData.json.paths[urlPath][method];
+                  if (operation && operation['x-original-api-id']) {
+                    req.headers['original-api-id'] = operation['x-original-api-id'];
+                  }
+                }
+
+                req.headers['original-url'] = req.url;
+                req.headers['X-XSRF-TOKEN'] = /*[[${_csrf.token}]]*/ '';
+
+                if ($('#apps').val() != null) {
+                  req.headers['client-id'] = $('#apps').val();
+                }
+
+                req.url = window.location.origin + /*[[@{/api/call-api}]]*/ '';
+              }
+              return req;
+            },
+            showMutatedRequest: false,
+            validatorUrl: '',
+            deepLinking: true,
+            presets: [
+              SwaggerUIBundle.presets.apis,
+              SwaggerUIStandalonePreset.slice(1)
+            ],
+            plugins: [
+              SwaggerUIBundle.plugins.DownloadUrl,
+              SnippetGeneratorPlugin
+            ],
+            layout: 'StandaloneLayout',
+            requestSnippetsEnabled: true,
+            requestSnippets: {
+              generators: {
+                'csharp': {
+                  title: 'C#',
+                  syntax: 'csharp'
+                },
+                'ecma5': {
+                  title: 'ECMA5',
+                  syntax: 'javascript'
+                },
+                'java': {
+                  title: 'Java',
+                  syntax: 'java'
+                },
+                'python': {
+                  title: 'Python',
+                  syntax: 'python'
+                }
+              },
+              defaultExpanded: true,
+              languages: null
+            }
+          });
+          window.ui = ui;
+        }).catch(error => {
+          console.error('Failed to load Swagger UI:', error);
+          document.getElementById('swagger-ui').innerHTML = '<p>Swagger UI를 불러오는 중 오류가 발생했습니다.</p>';
+        });
+      }
     });
-
   </script>
-
 </th:block>
 
 </html>

src/main/resources/templates/views/apps/apis/mainApiList.html

@@ -1,153 +1,250 @@
 <!doctype html>
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_base_layout}">
-
+<html xmlns="http://www.w3.org/1999/xhtml"
+      xmlns:th="http://www.thymeleaf.org"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{layout/kjbank_base_layout}">
 
 <body>
 
-<section layout:fragment="contentFragment" class="content">
+<th:block layout:fragment="contentFragment">
+  <section class="api-market-container">
 
-  <div class="content_wrap">
-    <div class="api_service_type m-only">
-      <img th:src="@{/img/bg_api_visual03.png}" alt="Kbank API 서비스">
-      <div class="service_txt">
-        <p>Kbank API 서비스</p>
-        <span>
-            API를 활용해 당신의 비즈니스 모델을<br/>
-            혁신하여 창의적이고 차별화된 서비스를<br/>
-            제작하세요.
-        </span>
-      </div>
-    </div>
-    <div class="api_service_type pc-only">
-      <img th:src="@{/img/bg_api_visual02.png}" alt="Kbank API 서비스">
-      <div class="service_txt">
-        <p>Kbank API 서비스</p>
-        <span>
-            Kbank가 제공하는 다양한 API를 소개합니다.<br/>
-            API를 활용해 당신의 비즈니스 모델을 혁신하여 창의적이고<br/>
-            차별화된 서비스를 제작하세요.
-        </span>
-      </div>
-    </div>
-    <div class="api_inner api_pd">
-      <div class="main_keyword">
-        <div class="search_type2">
-          <form id="searchForm" th:action="@{/apis}" method="get">
-            <div class="search-container2">
-              <input type="hidden" name="groupIds" th:value="${#strings.replace(search.groupIds, '[', '').replace(']', '')}"/>
-              <input type="text" class="search-box2" name="keyword" th:value="${search.keyword}" placeholder="어떤 API를 찾고 계신가요?">
-              <button class="search-button2" type="submit"></button>
+      <!-- Sidebar Navigation -->
+      <aside class="api-market-sidebar" id="apiSidebar">
+        <nav class="api-sidebar-nav">
+          <!-- All APIs -->
+          <div class="menu-section">
+            <div class="menu-title" th:classappend="${selected == '-1'} ? 'active'" data-group="">
+              전체
+              <span class="api-count" th:text="${totalApiCount}">0</span>
             </div>
-          </form>
+          </div>
+
+          <!-- Service Categories -->
+          <div class="menu-section" th:each="service : ${services}">
+            <div class="menu-title"
+                 th:classappend="${selected == service.id} ? 'active'"
+                 th:data-group="${service.id}">
+              [[${service.groupName}]]
+              <span class="api-count" th:text="${service.apiGroupApiList.size()}">0</span>
+            </div>
+          </div>
+        </nav>
+      </aside>
+
+      <!-- Mobile Menu Toggle -->
+      <button class="api-mobile-toggle" id="mobileToggle" aria-label="메뉴 열기">
+        ☰
+      </button>
+
+      <!-- Mobile Overlay -->
+      <div class="api-mobile-overlay" id="mobileOverlay"></div>
+
+      <!-- Main Content -->
+      <main class="api-market-content">
+
+        <!-- Header -->
+        <div class="api-market-header">
+          <div class="api-market-title">
+            <h1>오픈API</h1>
+            <h2>API 마켓</h2>
+          </div>
+          <div class="api-market-search">
+            <form id="searchForm" th:action="@{/apis}" method="get">
+              <input type="hidden" name="groupIds" th:value="${search.groupIds != null and !search.groupIds.isEmpty() ? search.groupIds[0] : ''}"/>
+              <input type="text"
+                     class="search-input"
+                     name="keyword"
+                     th:value="${search.keyword}"
+                     placeholder="어떤 API를 찾고 계신가요?">
+              <button type="submit" class="search-submit-btn" aria-label="검색">
+                <span class="search-icon">🔍</span>
+              </button>
+            </form>
+          </div>
         </div>
-        <div class="api_keyword">
-          <ul class="keyword_list tab_list grt">
-            <li>
-              <a href="#">전체<span class="number" th:text="${selectedApiCount}" th:classppend="${selected == '-1'}?'active'"></span></a>
-            </li>
-            <li th:each="item : ${services}">
-              <a href="#" th:data-group="${item.id}" th:classappend="${selected == item.id}?'active'">
-                [[${item.groupName}]]<span class="number" th:text="${item.apiGroupApiList.size()}"></span>
-              </a>
-            </li>
-          </ul>
+
+        <!-- Result Count -->
+        <div class="api-result-count">
+          총 <strong th:text="${selectedApiCount}">0</strong>건
         </div>
-        <div class="m-only">
-          <div class="api_info_container card_top">
-            <div class="api_box" th:each="api : ${apis}" th:data-href="@{/apis/detail(id=${api.apiId})}">
-              <div class="api_info_box">
-                <div class="api_list" th:data-href="@{/apis/detail(id=${api.apiId})}">
-                  <p class="txt1" th:text="${api.apiName}"></p>
-                  <p class="txt2" th:text="${api.apiSimpleDescription}"></p>
-                </div>
-                <div class="api_img" style="height: 48px;">
-                  <img th:if="${#strings.isEmpty(api.mainIcon) == false}" th:src="${api.mainIcon}" alt="">
-                </div>
+
+        <!-- API Cards Grid -->
+        <div class="api-card-grid" th:if="${apis != null and !apis.isEmpty()}">
+          <div class="api-card"
+               th:each="api : ${apis}"
+               th:data-href="@{/apis/detail(id=${api.apiId})}"
+               role="button"
+               tabindex="0">
+            <div>
+              <!-- Card Header with Badge -->
+              <div class="api-card-header">
+              <span class="api-card-badge" th:if="${api.apiGroupName}" th:text="${api.apiGroupName}">
+                카테고리
+              </span>
               </div>
+
+              <!-- Card Title -->
+              <h3 class="api-card-title" th:text="${api.apiName}">
+                API 이름
+              </h3>
+
+              <!-- Card Description -->
+              <p class="api-card-description" th:text="${api.apiSimpleDescription ?: 'API 설명이 없습니다.'}">
+                API 설명
+              </p>
+            </div>
+
+            <!-- Card Icon -->
+            <div class="api-card-icon">
+              <img th:if="${api.mainIcon}"
+                   th:src="${api.mainIcon}"
+                   th:alt="${api.apiName}"
+                   onerror="this.style.display='none'; this.parentElement.innerHTML='📄'">
+              <span th:if="${#strings.isEmpty(api.mainIcon)}">📄</span>
             </div>
           </div>
         </div>
-        <div class="pc-only">
-          <div class="ser_result" >총 <span>[[${selectedApiCount}]]건</span> 검색</div>
-          <div class="api_info_container box_list mt_0">
-            <div class="api_box" th:each="api : ${apis}" th:data-href="@{/apis/detail(id=${api.apiId})}">
-              <div class="api_info_box pc-only">
-                <div class="api_list" th:data-href="@{/apis/detail(id=${api.apiId})}">
-                  <p class="txt1" th:text="${api.apiName}"></p>
-                  <p class="txt2" th:text="${api.apiSimpleDescription}"></p>
-                </div>
-                <div class="api_img">
-                  <a th:href="@{/apis/detail(id=${api.apiId})}" class="btn btn-primary"><img th:if="${#strings.isEmpty(api.mainIcon) == false}" th:src="${api.mainIcon}" alt=""></a>
-                </div>
-              </div>
-            </div>
-          </div>
+
+        <!-- Empty State -->
+        <div class="api-empty-state" th:if="${apis == null or apis.isEmpty()}">
+          <div class="empty-icon">🔍</div>
+          <h3>검색 결과가 없습니다</h3>
+          <p>다른 키워드로 검색하거나 카테고리를 변경해 보세요.</p>
         </div>
-      </div>
-    </div>
-  </div>
-</section>
+
+      </main>
+  </section>
+</th:block>
+
 </body>
 
-
 <th:block layout:fragment="contentScript">
-  <script>
-    document.addEventListener('DOMContentLoaded', (event) => {
-      const apiListItems = document.querySelectorAll('.api_list');
-      apiListItems.forEach(function(item) {
-        item.addEventListener('click', function() {
-          var href = this.getAttribute('data-href');
-          if (href) {
-            window.location.href = href;
-          }
-        });
-      });
+  <script th:inline="javascript">
+    document.addEventListener('DOMContentLoaded', function() {
+      // DOM Elements
+      const sidebar = document.getElementById('apiSidebar');
+      const mobileToggle = document.getElementById('mobileToggle');
+      const mobileOverlay = document.getElementById('mobileOverlay');
+      const searchForm = document.getElementById('searchForm');
+      const groupIdsInput = searchForm.querySelector('input[name="groupIds"]');
+      const searchInput = searchForm.querySelector('input[name="keyword"]');
 
-      const apiItems = document.querySelectorAll('.api_box');
-      apiItems.forEach(function(item) {
-        item.removeEventListener('click',null);
-        item.addEventListener('click', function() {
+      // API Card Click Handlers
+      const apiCards = document.querySelectorAll('.api-card');
+      apiCards.forEach(function(card) {
+        // Click handler
+        card.addEventListener('click', function() {
           const href = this.getAttribute('data-href');
           if (href) {
             window.location.href = href;
           }
         });
+
+        // Keyboard accessibility
+        card.addEventListener('keypress', function(e) {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault();
+            const href = this.getAttribute('data-href');
+            if (href) {
+              window.location.href = href;
+            }
+          }
+        });
       });
 
-      var keywordListItems = document.querySelectorAll('.keyword_list li');
-      var form = document.getElementById('searchForm');
-      var groupIdsInput = form.querySelector('input[name="groupIds"]');
+      // Category/Service Selection
+      const menuTitles = document.querySelectorAll('.menu-title');
+      menuTitles.forEach(function(title) {
+        title.addEventListener('click', function(e) {
+          e.preventDefault();
 
-      keywordListItems.forEach(function(item) {
-        item.addEventListener('click', function(e) {
-          e.preventDefault(); // Prevent default anchor behavior
-          var anchor = this.querySelector('a');
-          var groupId = anchor.getAttribute('data-group');
+          const groupId = this.getAttribute('data-group');
+
+          // Update groupIds input
           if (groupId) {
-            groupId = groupId.replace(/[\[\]]/g, '');
-          }
-          if (groupId) {
-            // If specific group is selected, create/set input value
-            if (!groupIdsInput) {
-              groupIdsInput = document.createElement('input');
-              groupIdsInput.type = 'hidden';
-              groupIdsInput.name = 'groupIds';
-              form.appendChild(groupIdsInput);
-            }
             groupIdsInput.value = groupId;
           } else {
-            if (groupIdsInput) {
-              groupIdsInput.remove();
-            }
+            groupIdsInput.value = '';
           }
 
-          form.submit();
+          // Submit form
+          searchForm.submit();
         });
       });
+
+      // Search on Enter key
+      searchInput.addEventListener('keypress', function(e) {
+        if (e.key === 'Enter') {
+          e.preventDefault();
+          searchForm.submit();
+        }
+      });
+
+      // Mobile Menu Toggle
+      if (mobileToggle && sidebar && mobileOverlay) {
+        mobileToggle.addEventListener('click', function(e) {
+          e.preventDefault();
+          e.stopPropagation();
+
+          sidebar.classList.toggle('mobile-open');
+          mobileOverlay.classList.toggle('active');
+
+          // Update button text
+          if (sidebar.classList.contains('mobile-open')) {
+            this.innerHTML = '✕';
+            this.setAttribute('aria-label', '메뉴 닫기');
+          } else {
+            this.innerHTML = '☰';
+            this.setAttribute('aria-label', '메뉴 열기');
+          }
+        });
+
+        // Add touch event for better mobile support
+        mobileToggle.addEventListener('touchend', function(e) {
+          e.preventDefault();
+          e.stopPropagation();
+          this.click();
+        });
+
+        // Close menu on overlay click
+        mobileOverlay.addEventListener('click', function() {
+          sidebar.classList.remove('mobile-open');
+          this.classList.remove('active');
+          mobileToggle.innerHTML = '☰';
+          mobileToggle.setAttribute('aria-label', '메뉴 열기');
+        });
+
+        // Close menu on category selection (mobile)
+        menuTitles.forEach(function(title) {
+          title.addEventListener('click', function() {
+            if (window.innerWidth <= 768) {
+              sidebar.classList.remove('mobile-open');
+              mobileOverlay.classList.remove('active');
+              mobileToggle.innerHTML = '☰';
+              mobileToggle.setAttribute('aria-label', '메뉴 열기');
+            }
+          });
+        });
+      } else {
+        console.warn('Mobile toggle elements not found:', {
+          mobileToggle: !!mobileToggle,
+          sidebar: !!sidebar,
+          mobileOverlay: !!mobileOverlay
+        });
+      }
+
+      // Close mobile menu on resize to desktop
+      window.addEventListener('resize', function() {
+        if (window.innerWidth > 768 && sidebar.classList.contains('mobile-open')) {
+          sidebar.classList.remove('mobile-open');
+          mobileOverlay.classList.remove('active');
+          mobileToggle.innerHTML = '☰';
+          mobileToggle.setAttribute('aria-label', '메뉴 열기');
+        }
+      });
     });
   </script>
-
 </th:block>
 
 </html>

src/main/resources/templates/views/apps/login/login.html

@@ -1,104 +1,90 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_base_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_base_layout}">
 <body>
-<section layout:fragment="contentFragment" class="content">
-    <div class="content_wrap">
-        <div class="sub_title2">
-            <h2 class="title add7">로그인</h2>
-        </div>
-        <div class="inner i_cs9 h_inner9">
-            <div class="form_type">
-                <form id="loginForm" role="form" name="loginForm" th:action="@{/actionLogin.do}" method="post">
+<th:block layout:fragment="contentFragment">
+    <div class="login-page">
+        <div class="login-container">
+            <div class="login-card">
+                <!-- Login Header with Logo -->
+                <div class="login-header">
+                    <h1 class="login-title">로그인</h1>
+                    <p class="login-subtitle">광주은행 개발자 포털에 오신 것을 환영합니다</p>
+                </div>
+
+                <!-- Alert Messages -->
+                <div th:if="${param.logout}" class="login-alert alert-info">
+                    <i class="fas fa-info-circle"></i>
+                    <span>로그아웃되었습니다.</span>
+                </div>
+
+                <!-- Login Form -->
+                <form id="loginForm" role="form" name="loginForm" th:action="@{/actionLogin.do}" method="post" class="login-form">
                     <input type="hidden" id="message" name="message" th:value="${loginMessage}">
                     <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}"/>
-                    <div class="form_type_box">
-                        <div class="info1 form_top">
-                            <p class="title">
-                                <span>아이디</span>
-                            </p>
-                            <div class="info_line info_add">
-                                <div class="info_box1 add add2">
-                                    <input type="text" id="id" name="id" th:value="${loginId}"
-                                           class="common_input_type_1 h_inp"
-                                           placeholder="이메일 아이디를 입력해 주세요." required>
-                                    <input type="hidden" id="loginId" th:value="${loginId}">
-                                </div>
-                            </div>
-                        </div>
+                    <input type="hidden" id="loginId" th:value="${loginId}">
 
-                        <div class="info1">
-                            <p class="title">
-                                <span>비밀번호</span>
-                            </p>
-                            <div class="info_line info_add">
-                                <div class="info_box1 add add2">
-                                    <input type="password" id="password" name="password"
-                                           class="common_input_type_1 h_inp"
-                                           placeholder="비밀번호를 입력해 주세요." required>
-                                </div>
-                            </div>
-                        </div>
+                    <!-- Email Field -->
+                    <div class="form-group">
+                        <label for="id" class="form-label">이메일</label>
+                        <input type="text"
+                               id="id"
+                               name="id"
+                               th:value="${loginId}"
+                               class="form-input"
+                               placeholder="이메일 아이디를 입력해 주세요"
+                               required>
                     </div>
-                    <div class="box_inp">
-            <span class="inp_check f_size">
-              <input id="checkId" name="checkId" type="checkbox">
-              <label for="checkId">아이디 저장</label>
-            </span>
+
+                    <!-- Password Field -->
+                    <div class="form-group">
+                        <label for="password" class="form-label">비밀번호</label>
+                        <input type="password"
+                               id="password"
+                               name="password"
+                               class="form-input"
+                               placeholder="비밀번호를 입력해 주세요"
+                               required>
+                    </div>
+
+                    <!-- Remember Me Checkbox -->
+                    <div class="form-checkbox">
+                        <input id="checkId" name="checkId" type="checkbox">
+                        <label for="checkId">아이디 저장</label>
                     </div>
                 </form>
-                <div class="btn_login">
-                    <a href="#" class="common_btn_type_1 h_btn" id="actionLogin"><span>로그인</span></a>
+
+                <!-- Login Button -->
+                <button type="button" class="login-button" id="actionLogin">
+                    로그인
+                </button>
+
+                <!-- Additional Links -->
+                <div class="login-links">
+                    <a th:href="@{/account_recovery(tab='findId')}">
+                        <i class="fas fa-search"></i>
+                        <span>아이디 찾기</span>
+                    </a>
+                    <span class="link-separator">|</span>
+                    <a th:href="@{/account_recovery(tab='resetPassword')}">
+                        <i class="fas fa-lock"></i>
+                        <span>비밀번호 초기화</span>
+                    </a>
+                    <span class="link-separator">|</span>
+                    <a th:href="@{/signup}">
+                        <i class="fas fa-user-plus"></i>
+                        <span>회원가입</span>
+                    </a>
                 </div>
-                <div class="login_list pc-only">
-                    <ul>
-                        <li class="icon_search">
-                            <img th:src="@{/img/icon/icon_login_search.png}" alt="">
-                            <a th:href="@{/account_recovery(tab='findId')}">아이디 찾기</a>
-                        </li>
-                        <li>
-                            <span>|</span>
-                        </li>
-                        <li class="icon_lock">
-                            <img th:src="@{/img/icon/icon_login_lock.png}" alt="">
-                            <a th:href="@{/account_recovery(tab='resetPassword')}">비밀번호 초기화</a>
-                        </li>
-                        <li>
-                            <span>|</span>
-                        </li>
-                        <li class="icon_join">
-                            <img th:src="@{/img/icon/icon_login_join.png}" alt="">
-                            <a th:href="@{/signup}">회원가입</a>
-                        </li>
-                    </ul>
-                </div>
-                <div class="login_list m-only">
-                    <ul>
-                        <li class="icon_search">
-                            <a th:href="@{/account_recovery(tab='findId')}">아이디 찾기</a>
-                        </li>
-                        <li>
-                            <span>|</span>
-                        </li>
-                        <li class="icon_lock">
-                            <a th:href="@{/account_recovery(tab='resetPassword')}">비밀번호 초기화</a>
-                        </li>
-                        <li>
-                            <span>|</span>
-                        </li>
-                        <li class="icon_join">
-                            <a th:href="@{/signup}">회원가입</a>
-                        </li>
-                    </ul>
-                </div>
-                <div th:if="${param.logout}" class="alert alert-info mt-3">
-                    <p>로그아웃되었습니다.</p>
+
+                <!-- Loading State -->
+                <div class="login-loading" id="loginLoading">
+                    <div class="spinner"></div>
                 </div>
             </div>
         </div>
     </div>
-
-</section>
+</th:block>
 </body>
 <th:block layout:fragment="contentScript">
     <script th:inline="javascript">
@@ -179,6 +165,10 @@
 
             let actionLogin = function (event) {
                 let form = document.loginForm;
+
+                // Show loading state
+                $('#loginLoading').addClass('active');
+
                 if ($('#checkId').is(':checked')) {
                     setCookie('saveid', $('#id').val(), new Date(new Date().getTime() + 1000 * 3600 * 24 * 30));
                 } else {
@@ -188,9 +178,11 @@
                 if (!form.checkValidity()) {
                     event.preventDefault();
                     event.stopPropagation();
+                    $('#loginLoading').removeClass('active');
                     customPopups.showAlert('입력 정보 확인');
                 } else {
                     if (form.password.value.length < 8) {
+                        $('#loginLoading').removeClass('active');
                         customPopups.showAlert('[[#{login.passLengthShort}]]');
                     } else {
                         const originalPassword = form.password.value;
@@ -201,7 +193,10 @@
                 form.classList.add('was-validated');
             };
 
-            $('#actionLogin').on('click', actionLogin);
+            $('#actionLogin').on('click', function(event) {
+                event.preventDefault();
+                actionLogin(event);
+            });
             $('#password').on('keydown', function (event) {
                 if (event.key === 'Enter' || event.keyCode === 13 || event.code === 'Enter') {
                     event.preventDefault();

src/main/resources/templates/views/apps/main/index.html

@@ -1,459 +1,372 @@
 <!doctype html>
 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
-      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kbank_index_layout}">
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" layout:decorate="~{layout/kjbank_index_layout}">
 
 
 <body>
-<section layout:fragment="contentFragment" class="content main">
-  <script th:src="@{/js/htmx.min.js}"></script>
-  <!-- main slick -->
-  <div class="slider-container">
-    <div class="slider m-only">
-      <div class="slider_box">
-
-        <img th:src="@{/img/img_mainslick_m.png}" alt="슬라이드 1">
-        <div class="slick_txt">
-          <p>디지털 금융 리더 <span>케이뱅크</span>가<br/>새로운 비즈니스 기회를<br/>제공합니다.</p>
+<th:block layout:fragment="contentFragment">
+  <section class="hero-section">
+    <div class="hero-patterns">
+      <div class="pattern-circle pattern-1"></div>
+      <div class="pattern-circle pattern-2"></div>
+      <div class="pattern-dots"></div>
+    </div>
+    <div class="container">
+      <div class="hero-content">
+        <div class="hero-badge">
+          <span class="badge-icon">🚀</span>
+          <span>Wa bank 생태계에 오신 것을 환영합니다!</span>
         </div>
-      </div>
-      <div class="slider_box">
-        <img th:src="@{/img/img_mainslick2_m.png}" alt="슬라이드 2">
-        <div class="slick_txt">
-          <p>차별화된 <span>API와<br> 편리한 테스트 환경</span>을<br> 지원합니다</p>
-        </div>
-      </div>
-      <div class="slider_box">
-        <img th:src="@{/img/img_mainslick3_m.png}" alt="슬라이드 3">
-        <div class="slick_txt">
-          <p><span>디지털 금융 혁신</span>을<br> 케이뱅크가<br> 함께합니다</p>
+        <h1 class="main-headline">
+          <span class="headline-wa">Wa한</span> 금융 혁신,<br>
+          여러분의 아이디어로 시작됩니다
+        </h1>
+        <h2 class="sub-headline">
+          광주은행 오픈 API로 새로운 금융 서비스를 만들어보세요.<br>
+          안전하고 빠르게, 그리고 쉽게 연동할 수 있습니다.
+        </h2>
+        <div class="hero-buttons">
+          <a href="/apis" class="btn btn-primary">
+            <i class="fas fa-code"></i> API 둘러보기
+          </a>
+          <a href="#get-started" class="btn btn-secondary">
+            <i class="fas fa-play"></i> 5분 만에 시작하기
+          </a>
         </div>
       </div>
     </div>
-    <div class="slider pc-only">
-      <div class="slider_box">
-        <img th:src="@{/img/img_mainslick_pc.png}" alt="슬라이드 1">
-        <div class="slick_txt">
-          <p><span>케이뱅크</span>가 새로운 비즈니스<br> 기회를 제공합니다</p>
-        </div>
-      </div>
-      <div class="slider_box">
-        <img th:src="@{/img/img_mainslick2_pc.png}" alt="슬라이드 2">
-        <div class="slick_txt">
-          <p>차별화된 <span>API와</span><br/>
-            <span>편리한 테스트 환경</span>을<br/>지원합니다</p>
-        </div>
-      </div>
-      <div class="slider_box">
-        <img th:src="@{/img/img_mainslick3_pc.png}" alt="슬라이드 3">
-        <div class="slick_txt">
-          <p><span>디지털 금융 혁신</span>을<br>케이뱅크가<br>함께합니다</p>
-        </div>
-      </div>
-    </div>
-    <button class="slick-prev" aria-label="Previous" type="button">이전</button>
-    <button class="slick-next" aria-label="Next" type="button">다음</button>
-    <ul class="slick-dots">
-      <li>
-        <button type="button">1</button>
-      </li>
-      <li>
-        <button type="button">2</button>
-      </li>
-      <li>
-        <button type="button">3</button>
-      </li>
-    </ul>
-  </div>
-  <!-- // main slick -->
+  </section>
 
-  <div class="main-container">
-    <div class="search_type">
-      <form th:action="@{/apis}" id="searchForm" method="get">
-        <div class="search-container">
-          <input type="text" name="keyword" class="search-box" id="search-box" placeholder="어떤 API를 찾고 계신가요?">
-          <button class="search-button" type="submit"></button>
-        </div>
-      </form>
-    </div>
-    <div class="hashtag">
-      <ul>
-        <li th:each="tag: ${hashtags}"><a href="#" th:text="${tag}">#인증</a></li>
-      </ul>
-    </div>
-
-    <div class="main_keyword">
-      <div class="api_tit">
-        <h2>가장 많이 찾는 API</h2>
-        <p class="total_view">
-          <a href="/apis">전체보기</a>
-        </p>
-      </div>
-      <div class="api_keyword">
-        <ul class="keyword_list tab_list">
-          <li>
-            <a href="#"
-               hx-get="/api_fragments"
-               hx-target="#api_spec_list"
-               hx-trigger="click"
-               onclick="setActive(this)">전체<span class="number" th:text="${totalApiCount}"></span></a>
-          </li>
-          <li th:each="item : ${services}">
-            <a href="#"
-               th:hx-get="@{/api_fragments(id=${item.id})}"
-               hx-target="#api_spec_list"
-               hx-trigger="click"
-               onclick="setActive(this)">
-              [[${item.groupName}]]<span class="number" th:text="${item.apiGroupApiList.size()}"></span>
-            </a>
-          </li>
-        </ul>
-        <div class="more_type m-only">
-          <button class="showmore" type="button">
-            <img th:src="@{/img/icon/icon_more_btn.png}" alt="더보기 버튼">
-          </button>
-        </div>
-        <div class="more_type pc-only">
-          <button class="showmore" type="button">
-            <img th:src="@{/img/icon/icon_more_btn2.png}" alt="더보기 버튼">
-          </button>
-        </div>
-      </div>
-
-      <div class="api_info_container box_list" id="api_spec_list">
-        <div class="api_info_box" th:each="api : ${apis}" th:data-href="@{/apis/detail(id=${api.apiId})}">
-          <div class="api_list" th:data-href="@{/apis/detail(id=${api.apiId})}">
-            <p class="txt1" th:text="${api.apiName}"></p>
-            <p class="txt2" th:text="${api.apiSimpleDescription}"></p>
+  <!-- API 검색 섹션 -->
+  <section class="api-search-section">
+    <div class="container">
+      <div class="search-container">
+        <form th:action="@{/apis}" method="get" class="search-form">
+          <div class="search-wrapper">
+            <input type="text" class="search-input" placeholder="원하는 API를 검색해보세요" id="apiSearchInput" name="keyword">
+            <button class="search-button" type="submit">
+              <i class="fas fa-search"></i>
+              <span>검색하기</span>
+            </button>
           </div>
-          <div class="api_img" style="height: 48px;">
-            <a th:href="@{/apis/detail(id=${api.apiId})}" class="btn btn-primary">
-              <img th:if="${#strings.isEmpty(api.mainIcon) == false}" th:src="${api.mainIcon}" alt="">
-            </a>
+        </form>
+        <div class="hashtag-suggestions" th:if="${hashtags != null and not #lists.isEmpty(hashtags)}">
+          <span class="hashtag-label">추천 검색어:</span>
+          <a href="#" class="hashtag" th:each="tag : ${hashtags}"
+             th:data-search="${tag}"
+             th:text="${'#' + tag}">
+          </a>
+        </div>
+        <!-- Fallback hashtags if no hashtags from controller -->
+        <div class="hashtag-suggestions" th:unless="${hashtags != null and not #lists.isEmpty(hashtags)}">
+          <span class="hashtag-label">추천 검색어:</span>
+          <a href="#" class="hashtag" data-search="계좌조회">#계좌조회</a>
+          <a href="#" class="hashtag" data-search="송금API">#송금API</a>
+          <a href="#" class="hashtag" data-search="실시간결제">#실시간결제</a>
+          <a href="#" class="hashtag" data-search="오픈뱅킹">#오픈뱅킹</a>
+        </div>
+      </div>
+    </div>
+  </section>
+
+  <section class="api-showcase">
+    <div class="container">
+      <div class="section-header">
+        <h2 class="section-title">
+          <span class="title-highlight">인기 API</span>로 바로 시작하세요
+        </h2>
+        <p class="section-subtitle">가장 많이 사용되는 API를 확인하고 바로 테스트해보세요</p>
+      </div>
+      <div class="api-grid">
+        <!-- Dynamic API Cards from Controller (max 4) -->
+        <div th:each="api, iterStat : ${apis}"
+             th:if="${iterStat.index < 4}"
+             class="api-card"
+             th:classappend="${iterStat.index == 0} ? 'api-card-popular' : (${iterStat.index == 3} ? 'api-card-new' : '')">
+
+          <!-- Show badge for first (인기) and last (NEW) items -->
+          <div th:if="${iterStat.index == 0}" class="api-badge">인기</div>
+          <div th:if="${iterStat.index == 3}" class="api-badge new">NEW</div>
+
+          <!-- API Icon - using different icons based on index or API type -->
+          <div class="api-icon">
+            <!-- Icon selection based on API name or service type -->
+            <i th:if="${api.apiName != null}"
+               th:class="${#strings.containsIgnoreCase(api.apiName, '계좌') or #strings.containsIgnoreCase(api.apiName, '조회')} ? 'fas fa-wallet' :
+                        (${#strings.containsIgnoreCase(api.apiName, '송금') or #strings.containsIgnoreCase(api.apiName, '이체')} ? 'fas fa-exchange-alt' :
+                        (${#strings.containsIgnoreCase(api.apiName, '카드') or #strings.containsIgnoreCase(api.apiName, '결제')} ? 'fas fa-credit-card' :
+                        (${#strings.containsIgnoreCase(api.apiName, 'AI') or #strings.containsIgnoreCase(api.apiName, '분석')} ? 'fas fa-chart-line' :
+                        (${iterStat.index == 0} ? 'fas fa-wallet' :
+                        (${iterStat.index == 1} ? 'fas fa-exchange-alt' :
+                        (${iterStat.index == 2} ? 'fas fa-credit-card' : 'fas fa-chart-line'))))))"></i>
+          </div>
+
+          <!-- API Name -->
+          <h3 class="api-name" th:text="${api.apiName}">API 이름</h3>
+
+          <!-- API Description -->
+          <p class="api-description" th:text="${api.apiSimpleDescription != null ? api.apiSimpleDescription : api.description}">API 설명</p>
+
+          <!-- API Features/Method Info -->
+          <div class="api-features">
+            <span class="feature-tag" th:if="${api.apiMethod != null}" th:text="${api.apiMethod}">GET</span>
+            <span class="feature-tag" th:if="${api.service != null}" th:text="${api.service}">서비스</span>
+          </div>
+
+          <!-- Test Link -->
+          <a th:href="@{/apis/detail(id=${api.apiId})}" class="api-link">
+            테스트하기 <i class="fas fa-arrow-right"></i>
+          </a>
+        </div>
+
+        <!-- Fallback: Show static cards if no APIs from controller -->
+        <div th:if="${apis == null or #lists.isEmpty(apis)}" class="api-card api-card-popular">
+          <div class="api-badge">인기</div>
+          <div class="api-icon">
+            <i class="fas fa-wallet"></i>
+          </div>
+          <h3 class="api-name">계좌 조회 API</h3>
+          <p class="api-description">실시간 잔액 조회와 거래내역을 안전하게 확인</p>
+          <div class="api-features">
+            <span class="feature-tag">실시간</span>
+            <span class="feature-tag">OAuth 2.0</span>
+          </div>
+          <a href="#" class="api-link">
+            테스트하기 <i class="fas fa-arrow-right"></i>
+          </a>
+        </div>
+        <div th:if="${apis == null or #lists.isEmpty(apis)}" class="api-card">
+          <div class="api-icon">
+            <i class="fas fa-exchange-alt"></i>
+          </div>
+          <h3 class="api-name">송금 API</h3>
+          <p class="api-description">간편하고 안전한 송금 서비스 구현</p>
+          <div class="api-features">
+            <span class="feature-tag">간편송금</span>
+            <span class="feature-tag">실명확인</span>
+          </div>
+          <a href="#" class="api-link">
+            테스트하기 <i class="fas fa-arrow-right"></i>
+          </a>
+        </div>
+        <div th:if="${apis == null or #lists.isEmpty(apis)}" class="api-card">
+          <div class="api-icon">
+            <i class="fas fa-credit-card"></i>
+          </div>
+          <h3 class="api-name">카드 결제 API</h3>
+          <p class="api-description">온/오프라인 결제 솔루션 통합</p>
+          <div class="api-features">
+            <span class="feature-tag">PG연동</span>
+            <span class="feature-tag">간편결제</span>
+          </div>
+          <a href="#" class="api-link">
+            테스트하기 <i class="fas fa-arrow-right"></i>
+          </a>
+        </div>
+        <div th:if="${apis == null or #lists.isEmpty(apis)}" class="api-card api-card-new">
+          <div class="api-badge new">NEW</div>
+          <div class="api-icon">
+            <i class="fas fa-chart-line"></i>
+          </div>
+          <h3 class="api-name">AI 신용평가 API</h3>
+          <p class="api-description">머신러닝 기반 실시간 신용 분석</p>
+          <div class="api-features">
+            <span class="feature-tag">AI/ML</span>
+            <span class="feature-tag">실시간</span>
+          </div>
+          <a href="#" class="api-link">
+            테스트하기 <i class="fas fa-arrow-right"></i>
+          </a>
+        </div>
+      </div>
+    </div>
+  </section>
+
+  <!-- 정보 섹션 -->
+  <section class="info-section">
+    <div class="container">
+      <div class="info-wrapper">
+        <div class="image-container">
+          <div class="image-placeholder">
+            <i class="fas fa-chart-line"></i>
+            <span>금융 혁신</span>
           </div>
         </div>
-      </div>
-    </div>
 
-    <div class="main_con">
-      <p class="con_tit m-only"><img th:src="@{/img/img_con_tit.png}" alt="Kbank API PORTAL"></p>
-      <p class="con_tit pc-only"><img th:src="@{/img/img_con_tit2.png}" alt="Kbank API PORTAL"></p>
-      <p class="con_img m-only"><img th:src="@{/img/img_mask_group.png}" alt="Kbank API PORTAL"></p>
-      <p class="con_img pc-only"><img th:src="@{/img/img_mask_group2.png}" alt="Kbank API PORTAL"></p>
-      <p class="con_txt m-only">
-        <span>Kbank API Portal</span>은 기업이 금융서비스를<br>
-        편리하게 개발할 수 있도록 차별화된<br>
-        API와 테스트환경을 제공합니다.<br>
-      </p>
-      <p class="con_txt pc-only">
-        <span>Kbank API Portal</span>은 기업이 금융서비스를 편리하게 개발할 수 있도록 차별화된 API와 테스트환경을 제공합니다.
-      </p>
-      <div class="main_btn">
-        <a th:href="@{/intro}" class="common_btn_type_5"><span>처음 만나는 케이뱅크 API</span></a>
-        <a th:href="@{/partnership}" class="common_btn_type_5 m_btn"><span>사업 제휴 문의</span></a>
-      </div>
-    </div>
-  </div>
-
-  <div class="tiding_box">
-    <div class="api_type">
-      <div class="api_tiding">
-        <div class="api_tit">
-          <h2>새로운 케이뱅크 API 소식을<br> 만나보세요</h2>
-          <p class="total_view">
-            <a href="/portalnotice">전체보기</a>
+        <div class="info-content">
+          <p class="highlight-text">
+            광주은행 <span class="text-accent">API Portal</span>은 기업이 금융서비스를 편리하게 개발할 수 있도록<br>
+            차별화된 API와 테스트환경을 제공합니다.
           </p>
-        </div>
-        <div class="api_tiding_list">
-          <ul>
-            <li th:each="notice : ${portalNotices}">
-              <a th:href="@{/portalnotice/detail(id=${notice.id})}">
-                <p th:text="${notice.noticeSubject}"></p>
-              </a>
-              <span th:text="${#temporals.format(notice.createdDate, 'yyyy.MM.dd')}"></span>
-            </li>
-          </ul>
+
+          <div class="action-buttons">
+            <a href="#" class="action-btn">
+              <span class="btn-number">1</span>
+              <span class="btn-text">처음 만나는 광주뱅크 API</span>
+              <i class="fas fa-arrow-right"></i>
+            </a>
+            <a href="#" class="action-btn">
+              <span class="btn-number">2</span>
+              <span class="btn-text">사업 제휴 문의</span>
+              <i class="fas fa-arrow-right"></i>
+            </a>
+          </div>
         </div>
       </div>
-      <div class="api_info">
-        <ul>
-          <li class="img1">
-            <a th:href="@{/faq_list}">
-              <p>FAQ</p>
-              <span>자주 묻는 질문과 답변을<br> 확인해보세요</span>
-              <img th:src="@{/img/icon/icon_petals01.png}" alt="faq 이미지">
-            </a>
-          </li>
-          <li class="img2">
-            <a th:href="@{/inquiry}">
-              <p>Q&amp;A</p>
-              <span>문의사항에<br> 친절하게 답변 드리겠습니다</span>
-              <img th:src="@{/img/icon/icon_petals02.png}" alt="Q&A 이미지">
-            </a>
-          </li>
-          <li class="img3">
-            <a th:href="@{/partnership}">
-              <p>사업제휴</p>
-              <span>온라인 비즈니스 혁신을 위한<br> 사업 제안을 환영합니다</span>
-              <img th:src="@{/img/icon/icon_petals03.png}" alt="사업제휴 이미지">
-            </a>
-          </li>
-        </ul>
+    </div>
+  </section>
+
+  <!-- 지원 센터 섹션 -->
+  <section class="support-center">
+    <div class="container">
+      <div class="section-header">
+        <h2 class="section-title">
+          도움이 <span class="title-highlight">필요하신가요?</span>
+        </h2>
+        <p class="section-subtitle">다양한 방법으로 필요한 정보를 찾아보세요</p>
+      </div>
+      <div class="support-grid">
+        <a th:href="@{/portalnotice}" class="support-card">
+          <div class="card-icon">
+            <i class="fas fa-bullhorn"></i>
+          </div>
+          <h3>공지사항</h3>
+          <p>최신 업데이트와 중요한 소식을 확인하세요</p>
+          <div class="card-arrow">
+            <i class="fas fa-arrow-right"></i>
+          </div>
+        </a>
+        <a th:href="@{/faq_list}" class="support-card">
+          <div class="card-icon">
+            <i class="fas fa-question-circle"></i>
+          </div>
+          <h3>자주 묻는 질문</h3>
+          <p>자주 묻는 질문과 답변을 빠르게 찾아보세요</p>
+          <div class="card-arrow">
+            <i class="fas fa-arrow-right"></i>
+          </div>
+        </a>
+        <a th:href="@{/inquiry}" class="support-card">
+          <div class="card-icon">
+            <i class="fas fa-comments"></i>
+          </div>
+          <h3>문의하기</h3>
+          <p>추가 도움이 필요하시면 직접 문의해주세요</p>
+          <div class="card-arrow">
+            <i class="fas fa-arrow-right"></i>
+          </div>
+        </a>
       </div>
     </div>
-  </div>
+  </section>
 
-  <div class="api_count">
-    <div class="api_total_box">
-      <p class="txt m-only">우리곁의 수많은 서비스들이<br> <em>케이뱅크API</em>와<br> 함께하고 있습니다</p>
-      <p class="txt pc-only">우리곁의 수많은 서비스들이<br> <em>케이뱅크API와 함께</em>하고 있습니다</p>
-      <div class="api_total">
-        <ul>
-          <li>
-            <img th:src="@{/img/icon/icon_api01.png}" alt="서비스 이용 수">
-            <div class="api_num">
-              <p th:text="${serviceCount}"></p>
-              <span>서비스 이용</span>
-            </div>
-          </li>
-          <li>
-            <img th:src="@{/img/icon/icon_api02.png}" alt="API 이용건수">
-            <div class="api_num">
-              <p th:text="${selectedApiCount}"></p>
-              <span>API 이용</span>
-            </div>
-          </li>
-          <li>
-            <img th:src="@{/img/icon/icon_api03.png}" alt="API 활용기업">
-            <div class="api_num">
-              <p th:text="${approvedOrgCount}"></p>
-              <span>API 활용 기업</span>
-            </div>
-          </li>
-        </ul>
+  <!-- API 활용 현황 섹션 -->
+  <section class="api-stats-section">
+    <div class="container">
+      <div class="section-header">
+        <h2 class="section-title">
+          우리곁의 수많은 서비스들이<br>
+          <span class="title-highlight">광주은행 API</span>와 함께하고 있습니다
+        </h2>
+      </div>
+      <div class="stats-cards">
+        <div class="stat-card">
+          <div class="stat-icon">
+            <i class="fas fa-store"></i>
+          </div>
+          <div class="stat-content">
+            <div class="stat-number" th:attr="data-target=${serviceCount != null ? serviceCount : 0}" th:text="${serviceCount != null ? serviceCount : 0}">0</div>
+            <div class="stat-label">서비스 이용 수</div>
+            <div class="stat-description">다양한 분야의 서비스가 활용중</div>
+          </div>
+        </div>
+        <div class="stat-card">
+          <div class="stat-icon">
+            <i class="fas fa-exchange-alt"></i>
+          </div>
+          <div class="stat-content">
+            <div class="stat-number" th:attr="data-target=${totalApiCount != null ? totalApiCount : 0}" th:text="${totalApiCount != null ? totalApiCount : 0}">0</div>
+            <div class="stat-label">API 이용 건수</div>
+            <div class="stat-description">일일 평균 API 호출 수</div>
+          </div>
+        </div>
+        <div class="stat-card">
+          <div class="stat-icon">
+            <i class="fas fa-building"></i>
+          </div>
+          <div class="stat-content">
+            <div class="stat-number" th:attr="data-target=${approvedOrgCount != null ? approvedOrgCount : 0}" th:text="${approvedOrgCount != null ? approvedOrgCount : 0}">0</div>
+            <div class="stat-label">API 활용 기업</div>
+            <div class="stat-description">혁신적인 파트너사와 함께</div>
+          </div>
+        </div>
       </div>
     </div>
-  </div>
-
-  <div id="main_bg"></div>
-</section>
+  </section>
+</th:block>
 </body>
 <th:block layout:fragment="contentScript">
-  <script th:inline="javascript">
-    $(document).ready(function() {
-      // 기존 success 메시지 처리
-      var successMsg = [[${success}]];
-      console.log("Success message:", successMsg);
-      if (successMsg) {
-        console.log("Showing alert");
-        customPopups.showAlert(successMsg);
-      }
-
-      // 장기미사용 계정 체크
-      const dormantAccount = [[${session.dormantAccount}]];
-      if (dormantAccount) {
-        const dormantMsg = /*[[${session.success}]]*/ '';
-        const redirectUrl = /*[[${session.redirectUrl}]]*/ '';
-
-        console.log('dormantMsg:', dormantMsg);
-        console.log('redirectUrl:', redirectUrl);
-
-        customPopups.showAlert(dormantMsg);
-        $('#customAlertOkButton').off('click.custom').on('click.custom', function () {
-          customPopups.hideAlert('#customAlert');
-          window.location.href = redirectUrl;
-        });
-        return;  // 다른 체크 중단
-      }
-
-      // 비밀번호 만료 체크 추가
-      const passwordExpired = [[${session.passwordExpired}]];
-      if (passwordExpired) {
-        const pwdExpiredMsg = /*[[${session.success}]]*/ '';
-        const formattedMsg = pwdExpiredMsg.replace(/\n/g, '<br>');
-        const redirectUrl = /*[[${session.redirectUrl}]]*/ '';
-
-        console.log('pwdExpiredMsg:', pwdExpiredMsg);
-        console.log('redirectUrl:', redirectUrl);
-
-        $('#customAlertMessage').html(formattedMsg);
-        $('#customAlert').css('display','flex');
-
-        $('#customAlertOkButton').off('click.custom').on('click.custom', function () {
-          customPopups.hideAlert('#customAlert');
-          window.location.href = redirectUrl;
-        });
-      }
-    });
-  </script>
   <script>
-    function setActive(element) {
-      // Remove 'active' class from all links
-      document.querySelectorAll('.keyword_list a').forEach(el => {
-        el.classList.remove('active');
-      });
-      // Add 'active' class to clicked link
-      element.classList.add('active');
-    }
+    // 숫자 카운트업 애니메이션
+    document.addEventListener('DOMContentLoaded', function() {
+      const observerOptions = {
+        threshold: 0.5,
+        rootMargin: '0px 0px -100px 0px'
+      };
 
-    document.addEventListener('DOMContentLoaded', (event) => {
-      const ITEMS_PER_PAGE = 4;
-      let isExpanded = false;
+      const animateNumbers = (entries, observer) => {
+        entries.forEach(entry => {
+          if (entry.isIntersecting) {
+            const numbers = entry.target.querySelectorAll('.stat-number');
 
-      // 더보기 버튼 초기화
-      function initMoreButton() {
-        const mobileMoreBtn = document.querySelector('.more_type.m-only .showmore');
-        const pcMoreBtn = document.querySelector('.more_type.pc-only .showmore');
-        const apiInfoBoxes = document.querySelectorAll('.api_info_box');
+            numbers.forEach(number => {
+              const target = parseInt(number.getAttribute('data-target'));
+              const duration = 2000; // 2초
+              const increment = target / (duration / 16);
+              let current = 0;
 
-        // 5개 미만이면 더보기 버튼 숨기기
-        const mobileMoreContainer = document.querySelector('.more_type.m-only');
-        const pcMoreContainer = document.querySelector('.more_type.pc-only');
+              const updateNumber = () => {
+                current += increment;
+                if (current < target) {
+                  number.textContent = Math.floor(current).toLocaleString('ko-KR');
+                  requestAnimationFrame(updateNumber);
+                } else {
+                  number.textContent = target.toLocaleString('ko-KR');
+                }
+              };
 
-        console.log('더보기 버튼 초기화:', {
-          항목개수: apiInfoBoxes.length,
-          보여질상태: apiInfoBoxes.length >= 5 ? 'block' : 'none'
-        });
+              updateNumber();
+            });
 
-        // 더보기 버튼 표시 여부 설정
-        if (apiInfoBoxes.length < 5) {
-          mobileMoreContainer.style.setProperty('display', 'none', 'important');
-          pcMoreContainer.style.setProperty('display', 'none', 'important');
-        } else {
-          mobileMoreContainer.style.setProperty('display', 'block', 'important');
-          pcMoreContainer.style.setProperty('display', 'block', 'important');
-        }
-
-        // 초기 상태 설정
-        updateApiListVisibility();
-
-        // 더보기 버튼 이벤트 리스너 설정
-        [mobileMoreBtn, pcMoreBtn].forEach(btn => {
-          if (btn) {
-            btn.removeEventListener('click', handleMoreClick);
-            btn.addEventListener('click', handleMoreClick);
+            observer.unobserve(entry.target);
           }
         });
+      };
+
+      const observer = new IntersectionObserver(animateNumbers, observerOptions);
+      const statsSection = document.querySelector('.api-stats-section');
+
+      if (statsSection) {
+        observer.observe(statsSection);
       }
 
-      function handleMoreClick(e) {
-        e.preventDefault();
-        console.log('더보기 버튼 클릭');
-        isExpanded = !isExpanded;  // 상태 토글
+      // API 검색 기능
+      const searchInput = document.getElementById('apiSearchInput');
+      const searchForm = document.querySelector('.search-form');
+      const hashtags = document.querySelectorAll('.hashtag');
 
-        // 버튼 이미지/텍스트 변경
-        const mobileMoreBtn = document.querySelector('.more_type.m-only .showmore img');
-        const pcMoreBtn = document.querySelector('.more_type.pc-only .showmore img');
-        if (mobileMoreBtn) {
-          mobileMoreBtn.alt = isExpanded ? "접기 버튼" : "더보기 버튼";
-        }
-        if (pcMoreBtn) {
-          pcMoreBtn.alt = isExpanded ? "접기 버튼" : "더보기 버튼";
-        }
-
-        updateApiListVisibility();
-      }
-
-      // API 리스트 표시 상태 업데이트
-      function updateApiListVisibility() {
-        const apiInfoBoxes = document.querySelectorAll('.api_info_box');
-        const endIndex = isExpanded ? apiInfoBoxes.length : ITEMS_PER_PAGE;
-
-        console.log('업데이트 - API 목록:', {
-          총개수: apiInfoBoxes.length,
-          표시상태: isExpanded ? '전체표시' : '일부표시',
-          표시할개수: endIndex
-        });
-
-        apiInfoBoxes.forEach((box, index) => {
-          box.style.display = index < endIndex ? 'block' : 'none';
-        });
-      }
-
-      // HTMX 로드 완료 이벤트 리스너
-      document.body.addEventListener('htmx:afterSwap', function(evt) {
-        if (evt.detail.target.id === 'api_spec_list') {
-          console.log('HTMX 컨텐츠 로드됨 - 페이지 초기화');
-          isExpanded = false;
-          initMoreButton();
-        }
-      });
-
-      document.body.addEventListener('htmx:afterSettle', function(evt) {
-        const apiListItems = document.querySelectorAll('.api_list');
-        apiListItems.forEach(function(item) {
-          item.removeEventListener('click',null);
-          item.addEventListener('click', function() {
-            const href = this.getAttribute('data-href');
-            if (href) {
-              window.location.href = href;
-            }
-          });
-        });
-        const apiItems = document.querySelectorAll('.api_info_box');
-        apiItems.forEach(function(item) {
-          item.removeEventListener('click',null);
-          item.addEventListener('click', function() {
-            const href = this.getAttribute('data-href');
-            if (href) {
-              window.location.href = href;
-            }
-          });
-        });
-      });
-
-      // 초기 실행
-      console.log('초기 실행');
-      initMoreButton();
-
-      // All 카테고리를 기본으로 active 설정
-      document.querySelector('.keyword_list li:first-child a').classList.add('active');
-
-      const apiListItems = document.querySelectorAll('.api_list');
-      apiListItems.forEach(function(item) {
-        item.addEventListener('click', function() {
-          const href = this.getAttribute('data-href');
-          if (href) {
-            window.location.href = href;
-          }
-        });
-      });
-
-      const apiItems = document.querySelectorAll('.api_info_box');
-      apiItems.forEach(function(item) {
-        item.removeEventListener('click',null);
-        item.addEventListener('click', function() {
-          const href = this.getAttribute('data-href');
-          if (href) {
-            window.location.href = href;
-          }
-        });
-      });
-
-      const hashtagItems = document.querySelectorAll('.hashtag ul li a');
-      const searchBox = document.getElementById('search-box');
-
-      hashtagItems.forEach(function(item) {
-        item.addEventListener('click', function(e) {
+      // 해시태그 클릭 이벤트
+      hashtags.forEach(tag => {
+        tag.addEventListener('click', function(e) {
           e.preventDefault();
-          // Remove the # symbol if present and set the text in search box
-          const searchText = this.textContent.replace('#', '').trim();
-          searchBox.value = searchText;
-
-          document.getElementById("searchForm").submit();
-        });
-      });
-
-      const infoItems = document.querySelectorAll('.api_info ul li');
-      infoItems.forEach(function (item) {
-        item.style.cursor = 'pointer';
-        item.addEventListener('click', function() {
-          const link = this.querySelector('a');
-          if (link) {
-            location.href = link.getAttribute('href');
+          const searchTerm = this.getAttribute('data-search');
+          searchInput.value = searchTerm;
+          // 폼 제출
+          if (searchForm) {
+            searchForm.submit();
           }
         });
       });
-
     });
   </script>
 </th:block>

src/main/resources/templates/views/common/error/error.html

@@ -15,9 +15,8 @@
     <meta content="max-age=0, public" http-equiv="Cache-Control"/>
     <meta content="index, follow" name="robots"/>
     <meta content="https://www.eactive.co.kr/" property="og:url"/>
-    <link rel="icon" type="image/ico" th:href="@{/favicon_16px.png}">
-    <link rel="stylesheet" type="text/css" th:href="@{/css/style2.css}">
-    <link rel="stylesheet" type="text/css" th:href="@{/css/common2.css}">
+    <link rel="icon" type="image/ico" th:href="@{/favicon.ico}">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/main.css}">
 </head>
 <body>
 <div id="wrap" class="wrap_top">

src/main/resources/templates/views/common/error/notFoundError.html

@@ -15,9 +15,8 @@
     <meta content="max-age=0, public" http-equiv="Cache-Control"/>
     <meta content="index, follow" name="robots"/>
     <meta content="https://www.eactive.co.kr/" property="og:url"/>
-    <link rel="icon" type="image/ico" th:href="@{/favicon_16px.png}">
-    <link rel="stylesheet" type="text/css" th:href="@{/css/style2.css}">
-    <link rel="stylesheet" type="text/css" th:href="@{/css/common2.css}">
+    <link rel="icon" type="image/ico" th:href="@{/favicon.ico}">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/main.css}">
 </head>
 <body>
 <div id="wrap" class="wrap_top">

src/main/resources/templates/views/common/error/validationError.html

@@ -15,9 +15,8 @@
     <meta content="max-age=0, public" http-equiv="Cache-Control"/>
     <meta content="index, follow" name="robots"/>
     <meta content="https://www.eactive.co.kr/" property="og:url"/>
-    <link rel="icon" type="image/ico" th:href="@{/favicon_16px.png}">
-    <link rel="stylesheet" type="text/css" th:href="@{/css/style2.css}">
-    <link rel="stylesheet" type="text/css" th:href="@{/css/common2.css}">
+    <link rel="icon" type="image/ico" th:href="@{/favicon.ico}">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/main.css}">
 </head>
 <body>
 <div id="wrap" class="wrap_top">

src/main/resources/templates/views/fragment/kjbank/api_lnb.html

@@ -0,0 +1,32 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
+
+<aside layout:fragment="apiAside" class="lnb">
+  <nav th:with="services=${@apiServiceService.searchApiGroupsForLnb()}">
+    <ul class="lnb_list_type">
+      <li>
+        <a href="#none">공통안내</a>
+        <ul class="lnb_list_nav">
+           <li> <a th:href="@{/apis/common}">API 개발 공통</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U3}">가상계좌 응답 코드</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U4}">가상계좌 배치 설계</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U5}">가상계좌 VAN사 코드</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U6}">펌뱅킹 응답코드</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U7}">펌뱅킹 배치 설계</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U8}">대출금리 응답코드</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U9}">케이뱅크 페이 응답코드</a></li>
+           <li> <a th:href="@{/apis/KAPAP004U10}">케이뱅크 페이 복합과세 예제</a></li>
+           <li> <a th:href="@{/apis/token-spec}">케이뱅크 OAuth 2.0 토큰 발급</a></li>
+        </ul>
+      </li>
+      <li th:each="apiService : ${services}">
+        <a href="#none" th:text="${apiService.groupName}">API Group Name</a>
+        <ul class="lnb_list_nav">
+          <li th:each="api : ${apiService.apiGroupApiList}">
+            <a th:href="@{/apis/detail(id=${api.apiId})}" th:text="${api.apiDesc}">API Description</a>
+          </li>
+        </ul>
+      </li>
+    </ul>
+  </nav>
+</aside>

src/main/resources/templates/views/fragment/kjbank/footer.html

@@ -0,0 +1,69 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+>
+
+<body>
+<footer th:fragment="footerFragment"  class="global-footer">
+  <div class="container">
+    <div class="footer-top">
+      <div class="footer-brand">
+        <img src="/img/logo/logo.png" alt="광주은행" class="footer-logo">
+        <p class="footer-desc">
+          Wa bank와 함께 만드는 새로운 금융의 미래<br>
+          개발자 여러분과 함께 성장합니다.
+        </p>
+
+      </div>
+      <div class="footer-links">
+        <div class="footer-column">
+          <h4>제품</h4>
+          <ul>
+            <li><a href="#">API 카탈로그</a></li>
+            <li><a href="#">SDK 다운로드</a></li>
+            <li><a href="#">Playground</a></li>
+            <li><a href="#">요금제</a></li>
+          </ul>
+        </div>
+        <div class="footer-column">
+          <h4>개발자</h4>
+          <ul>
+            <li><a href="#">시작 가이드</a></li>
+            <li><a href="#">API 문서</a></li>
+            <li><a href="#">튜토리얼</a></li>
+            <li><a href="#">샘플 코드</a></li>
+          </ul>
+        </div>
+        <div class="footer-column">
+          <h4>지원</h4>
+          <ul>
+            <li><a href="#">도움말 센터</a></li>
+            <li><a href="#">커뮤니티</a></li>
+            <li><a href="#">기술 지원</a></li>
+            <li><a href="#">시스템 상태</a></li>
+          </ul>
+        </div>
+        <div class="footer-column">
+          <h4>회사</h4>
+          <ul>
+            <li><a href="#">광주은행 소개</a></li>
+            <li><a href="#">뉴스룸</a></li>
+            <li><a href="#">채용</a></li>
+            <li><a href="#">제휴 문의</a></li>
+          </ul>
+        </div>
+      </div>
+    </div>
+    <div class="footer-bottom">
+      <div class="footer-legal">
+        <p>© 2025 광주은행. All rights reserved.</p>
+        <div class="legal-links">
+          <a href="#">이용약관</a>
+          <a href="#">개인정보처리방침</a>
+          <a href="#">쿠키 정책</a>
+        </div>
+      </div>
+    </div>
+  </div>
+</footer>
+</body>
+</html>

src/main/resources/templates/views/fragment/kjbank/head.html

@@ -0,0 +1,52 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
+
+<head th:fragment="headFragment">
+    <title th:text="#{title.html}">개발자 포털</title>
+
+    <meta content="https://www.eactive.co.kr/" property="og:url"/>
+    <meta charset="UTF-8"/>
+    <meta content="max-age=0, public" http-equiv="Cache-Control"/>
+    <meta content="index, follow" name="robots"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no">
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
+    <meta http-equiv="Cache-Control" content="no-cache">
+    <meta http-equiv="Pragma" content="no-cache">
+
+    <meta http-equiv="Expires" content="0">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/all.min.css}">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/main.css}">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/slick.css}">
+    <link rel="stylesheet" type="text/css" th:href="@{/css/daterangepicker.css}">
+
+    <link rel="stylesheet" th:href="@{/plugins/codemirror/codemirror.css}" type="text/css"/>
+    <link rel="stylesheet" th:href="@{/plugins/codemirror/theme/monokai.css}" type="text/css"/>
+    <link rel="stylesheet" th:href="@{/plugins/summernote/summernote-lite.css}" type="text/css" />
+    <link rel="stylesheet" th:href="@{/plugins/jquery-ui/jquery-ui.min.css}" />
+    <link rel="icon" type="image/ico" th:href="@{/favicon.ico}">
+
+    <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
+    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
+    <!--[if lt IE 9]>
+    <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
+    <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
+    <![endif]-->
+
+    <script th:src="@{/plugins/jquery/jquery-3.7.1.min.js}"></script>
+    <script th:src="@{/js/lodash.js}"></script>
+    <script th:src="@{/js/common.js}"></script>
+    <script th:src="@{/js/moment.min.js}"></script>
+    <script th:src="@{/js/daterangepicker.js}"></script>
+    <script th:src="@{/plugins/codemirror/codemirror.js}"></script>
+    <script th:src="@{/plugins/codemirror/mode/clike.js}"></script>
+    <script th:src="@{/plugins/codemirror/mode/javascript.js}"></script>
+    <script th:src="@{/plugins/codemirror/addon/display/fullscreen.js}"></script>
+    <script th:src="@{/plugins/codemirror/addon/display/placeholder.js}"></script>
+    <script th:src="@{/plugins/summernote/summernote-lite.min.js}"></script>
+    <script th:src="@{/plugins/summernote/summernote-cleaner.js}"></script>
+    <script th:src="@{/plugins/jquery-ui/jquery-ui.min.js}"></script>
+    <script th:src="@{/js/htmx.min.js}"></script>
+</head>
+
+</html>

src/main/resources/templates/views/fragment/kjbank/header_container.html

@@ -0,0 +1,135 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+      xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
+<body>
+<th:block th:fragment="headerFragment">
+  <!-- Global Header Container -->
+  <header class="global-header">
+    <div class="container">
+      <div class="header-content">
+
+        <!-- Desktop Header Layout -->
+        <div class="desktop-header">
+          <div class="header-left">
+            <div class="logo-wrapper">
+              <a th:href="@{/}" class="logo-link">
+                <img src="/img/logo/logo.png" alt="광주은행" class="logo">
+              </a>
+              <a th:href="@{/}" class="logo-text">개발자 포털</a>
+            </div>
+          </div>
+
+          <nav class="header-center">
+            <ul class="nav-menu">
+              <li><a href="#docs" class="nav-link">서비스 소개</a></li>
+              <li><a href="/apis" class="nav-link">오픈 API</a></li>
+              <li><a href="#playground" class="nav-link">고객지원</a></li>
+              <li><a href="#community" class="nav-link">MY</a></li>
+            </ul>
+          </nav>
+
+          <div class="header-right">
+            <button class="search-btn"><i class="fas fa-search"></i></button>
+            <a th:href="@{/login}" class="login-btn">로그인</a>
+            <a href="#signup" class="signup-btn">
+              <span>회원 가입</span>
+              <i class="fas fa-arrow-right"></i>
+            </a>
+          </div>
+        </div>
+
+        <!-- Mobile Header Layout -->
+        <div class="mobile-header">
+          <div class="mobile-left">
+            <a th:href="@{/}" class="mobile-logo-link">
+              <img src="/img/logo/logo.png" alt="광주은행" class="mobile-logo">
+            </a>
+          </div>
+
+          <div class="mobile-center">
+            <h1 class="mobile-title">개발자 포털</h1>
+          </div>
+
+          <div class="mobile-right">
+            <button class="mobile-menu-btn" id="mobileMenuToggle">
+              <span class="hamburger-line"></span>
+              <span class="hamburger-line"></span>
+              <span class="hamburger-line"></span>
+            </button>
+          </div>
+        </div>
+
+      </div>
+    </div>
+  </header>
+
+  <!-- Mobile Drawer/Modal -->
+  <div class="mobile-drawer" id="mobileDrawer">
+    <div class="drawer-overlay" id="drawerOverlay"></div>
+    <div class="drawer-content">
+      <div class="drawer-header">
+        <div class="drawer-logo">
+          <a th:href="@{/}" class="drawer-logo-link">
+            <img src="/img/logo/logo.png" alt="광주은행" class="logo">
+          </a>
+          <a th:href="@{/}" class="logo-text">개발자 포털</a>
+        </div>
+        <button class="drawer-close" id="drawerClose">
+          <i class="fas fa-times"></i>
+        </button>
+      </div>
+
+      <nav class="drawer-nav">
+        <ul class="drawer-menu">
+          <li><a href="#docs" class="drawer-link">서비스 소개</a></li>
+          <li><a href="/apis" class="drawer-link">오픈 API</a></li>
+          <li><a href="#playground" class="drawer-link">고객지원</a></li>
+          <li><a href="#community" class="drawer-link">MY</a></li>
+        </ul>
+      </nav>
+
+      <div class="drawer-actions">
+        <a th:href="@{/login}" class="drawer-login-btn">로그인</a>
+        <a href="#signup" class="drawer-signup-btn">
+          <span>회원 가입</span>
+          <i class="fas fa-arrow-right"></i>
+        </a>
+      </div>
+    </div>
+  </div>
+</th:block>
+
+<!-- Mobile Menu JavaScript -->
+<th:block th:fragment="headerScript">
+  <script>
+    document.addEventListener('DOMContentLoaded', function() {
+      const menuToggle = document.getElementById('mobileMenuToggle');
+      const drawer = document.getElementById('mobileDrawer');
+      const drawerClose = document.getElementById('drawerClose');
+      const drawerOverlay = document.getElementById('drawerOverlay');
+
+      function openDrawer() {
+        drawer.classList.add('active');
+        document.body.style.overflow = 'hidden';
+      }
+
+      function closeDrawer() {
+        drawer.classList.remove('active');
+        document.body.style.overflow = '';
+      }
+
+      menuToggle?.addEventListener('click', openDrawer);
+      drawerClose?.addEventListener('click', closeDrawer);
+      drawerOverlay?.addEventListener('click', closeDrawer);
+
+      // Close drawer when clicking on nav links
+      document.querySelectorAll('.drawer-link').forEach(link => {
+        link.addEventListener('click', closeDrawer);
+      });
+    });
+  </script>
+</th:block>
+
+</body>
+
+</html>

src/main/resources/templates/views/fragment/kjbank/header_nav.html

@@ -0,0 +1,19 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+      xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
+
+<head>
+  <meta charset="utf-8">
+</head>
+
+<body>
+<div th:fragment="headerFragment" class="navigation" id="navigation">
+  <ul class="navigation-area">
+    <li th:each="crumb : ${breadcrumb}">
+      <a th:href="${crumb.path}" class="navigation-button" th:text="${crumb.name}">Unknown Page</a>
+    </li>
+  </ul>
+</div>
+</body>
+
+</html>

src/main/resources/templates/views/fragment/kjbank/menu.html

@@ -0,0 +1,24 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+      xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
+
+<head>
+    <meta charset="utf-8">
+</head>
+
+<body>
+<aside class="sidebar" th:fragment="menuFragment">
+
+</aside>
+
+<!-- menu script -->
+<th:block th:fragment="menuScript">
+    <script th:inline="javascript">
+
+        $(function () {
+        });
+    </script>
+</th:block>
+</body>
+
+</html>

src/main/resources/templates/views/fragment/kjbank/terms_agreements.html

@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{layout/kjbank_base_layout}">
+<body>
+<section layout:fragment="contentFragment" class="content">
+    <div class="content_wrap">
+        <div class="sub_title2">
+            <h2 class="title" th:classappend="${isTermsOfUse ? 'add3' : 'add4'}"
+                th:text="${agreementTitle}">이용약관</h2>
+        </div>
+        <div class="inner cs2">
+            <div class="tab-wrap">
+                <div class="tabs">
+                    <ul class="tab_nav tab_bt">
+                        <li th:class="${isTermsOfUse ? 'active' : ''}">
+                            <a th:href="@{/agreements/terms(tab='terms')}">이용약관</a>
+                        </li>
+                        <li th:class="${isPrivacyPolicy ? 'active' : ''}">
+                            <a th:href="@{/agreements/terms(tab='privacy')}">개인정보처리방침</a>
+                        </li>
+                    </ul>
+                    <div class="tab active" th:id="${isTermsOfUse ? 'tab1' : 'tab2'}">
+                        <div class="form_type">
+                            <div class="info1 ts_top">
+                                <div class="info_line ts_left">
+                                    <div class="info_box1 info_add3 info_top">
+                                        <span class="input">
+                                            <form id="agreementForm" th:action="@{/agreements/terms}" method="get">
+                                                <input type="hidden" name="tab"
+                                                       th:value="${currentTab}">
+                                                    <div class="custom_select" id="agreement_select">
+                                                        <div class="select_selected">
+                                                            시행일자 : <span th:text="${#temporals.format(selectedAgreement.publishedOn, 'yyyy.MM.dd')}"></span>
+                                                        </div>
+                                                        <ul class="common_selecttype select_items select_hide">
+                                                            <li th:each="agreement : ${agreementsList}"
+                                                                th:data-id="${#temporals.format(agreement.publishedOn, 'yyyy-MM-dd')}"
+                                                                th:text="'시행일자 : ' + ${#temporals.format(agreement.publishedOn, 'yyyy.MM.dd')}"
+                                                                th:class="${#temporals.format(agreement.publishedOn, 'yyyy-MM-dd') == selectedDate ? 'selected' : ''}">
+                                                            </li>
+                                                        </ul>
+                                                    </div>
+                                                <input type="hidden" name="publishedOn" id="publishedOnInput">
+                                            </form>
+                                        </span>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="terms_contents m_termst" th:utext="${selectedAgreement.contents}"
+                             style="white-space: pre-wrap; word-wrap: break-word;">
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</section>
+<script layout:fragment="contentScript">
+    document.addEventListener('DOMContentLoaded', function () {
+        const selects = document.getElementById('agreement_select');
+        const form = document.getElementById('agreementForm');
+        const publishedOnInput = document.getElementById('publishedOnInput');
+
+        createCustomSelect(selects, {
+            onSelect: (item) => {
+                publishedOnInput.value = item;
+                form.submit();
+            }
+        });
+    });
+</script>
+</body>
+</html>

src/main/resources/templates/views/layout/kjbank_base_layout.html

@@ -0,0 +1,26 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+    xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
+
+  <head th:replace="fragment/kjbank/head :: headFragment">
+    <meta charset="utf-8">
+  </head>
+
+  <body>
+    <th:block th:replace="fragment/kjbank/header_container :: headerFragment"></th:block>
+    <th:block th:replace="fragment/kjbank/header_container :: headerScript"></th:block>
+    <div class="loading-overlay" style="display: none;">
+      <div class="loading-spinner"></div>
+    </div>
+    <th:block layout:fragment="contentFragment">
+    </th:block>
+
+    <th:block layout:fragment="contentScript">
+    </th:block>
+
+    <footer th:replace="fragment/kjbank/footer :: footerFragment"></footer>
+    <section th:replace="fragment/popup/customPopups :: customPopups"></section>
+    <section layout:fragment="pagePopups"></section>
+    <script th:src="@{/js/popup/custom-popups.js}"></script>
+  </body>
+</html>

src/main/resources/templates/views/layout/kjbank_index_layout.html

@@ -0,0 +1,26 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+    xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
+
+
+  <head th:replace="fragment/kjbank/head :: headFragment">
+    <meta charset="utf-8">
+  </head>
+
+  <body>
+    <!-- header -->
+    <th:block th:replace="fragment/kjbank/header_container :: headerFragment"></th:block>
+    <th:block th:replace="fragment/kjbank/header_container :: headerScript"></th:block>
+
+    <th:block layout:fragment="contentFragment">
+    </th:block>
+
+    <th:block layout:fragment="contentScript">
+    </th:block>
+
+    <footer th:replace="fragment/kjbank/footer :: footerFragment"></footer>
+
+    <section th:replace="fragment/popup/customPopups :: customPopups"></section>
+    <script th:src="@{/js/popup/custom-popups.js}"></script>
+  </body>
+</html>