/* roulang page: index */
:root {
      --primary-color: #1a56db;
      --secondary-color: #0284c7;
      --accent-color: #f97316;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --bg-light: #f8fafc;
      --border-color: #e2e8f0;
    }
    body {
      color: #334155;
      background-color: #ffffff;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .custom-scroll-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .glass-header {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    }
