/* roulang page: index */
:root {
      --primary: #1B4F8A;
      --secondary: #0077E6;
      --accent: #FF6A00;
      --dark-navy: #0C1E36;
      --bg-light: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      line-height: 1.68;
      overflow-x: hidden;
    }
    .hero-gradient {
      background: linear-gradient(135deg, rgba(12, 30, 54, 0.94) 0%, rgba(27, 79, 138, 0.88) 100%);
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: 0 4px 20px -2px rgba(27, 79, 138, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card:hover {
      box-shadow: 0 20px 25px -5px rgba(27, 79, 138, 0.12);
      transform: translateY(-4px);
    }
    .coupon-ticket {
      position: relative;
      background: radial-gradient(circle at 0 50%, transparent 12px, #ffffff 13px) top left,
                  radial-gradient(circle at 100% 50%, transparent 12px, #ffffff 13px) top right;
      background-size: 100% 100%;
      background-repeat: no-repeat;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }