api 마켓 스타일 적용

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

@@ -22,11 +22,6 @@
   --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);
@@ -429,7 +424,6 @@
       justify-content: center;
       gap: 8px;
       padding: 14px 20px;
-      background: var(--gradient-primary);
       color: var(--white);
       text-decoration: none;
       border-radius: 12px;
@@ -706,7 +700,6 @@
   align-items: center;
   gap: 8px;
   text-decoration: none;
-  background: var(--gradient-primary);
   color: var(--white);
   padding: 12px 24px;
   border-radius: 50px;