/* roulang page: index */
:root {
      --primary: #1e40af;
      --accent-cyan: #06b6d4;
      --accent-green: #10b981;
      --bg-slate: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-slate);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .hero-bg {
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 58, 138, 0.90) 100%), url('/assets/images/4d04b589b88c242a.jpg');
      background-size: cover;
      background-position: center;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(30, 64, 175, 0.08), 0 8px 10px -6px rgba(30, 64, 175, 0.04);
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-active .accordion-content {
      max-height: 400px;
    }
    .accordion-active .chevron-icon {
      transform: rotate(180deg);
    }