@layer utilities {
      .text-shadow {
        text-shadow: 0 1px 3px rgba(0,0,0,0.2);
      }
      .btn-shadow {
        box-shadow: 0 4px 12px rgba(255,123,0,0.4);
      }
      .fixed-btn {
        @apply fixed right-4 w-11 h-11 rounded-full bg-primary text-white flex items-center justify-center shadow-lg hover:bg-orange-600 transition-all z-50;
      }
      .btn-fade {
        transition: opacity 0.3s ease;
      }
    }