/* roulang page: index */
:root {
      --primary: #2563eb;
      --primary-dark: #1e40af;
      --accent: #0284c7;
      --text-main: #0f172a;
      --text-muted: #475569;
      --bg-light: #f8fafc;
      --card-border: #e2e8f0;
    }
    body {
      color: var(--text-main);
      background-color: #ffffff;
      -webkit-font-smoothing: antialiased;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    }
    .hover-lift {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .hover-lift:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.08), 0 8px 10px -6px rgba(37, 99, 235, 0.04);
    }
    .coupon-edge {
      position: relative;
      background: radial-gradient(circle at left, transparent 8px, #ffffff 8.5px) left,
                  radial-gradient(circle at right, transparent 8px, #ffffff 8.5px) right;
      background-size: 51% 100%;
      background-repeat: no-repeat;
    }