/* roulang page: index */
:root {
      --primary: #1e3a8a;
      --primary-light: #2563eb;
      --accent: #0284c7;
      --accent-warm: #d97706;
      --surface-light: #f8fafc;
      --text-main: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-soft: #e2e8f0;
    }
    body {
      color: var(--text-body);
      background-color: #ffffff;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(30, 58, 138, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 35px -8px rgba(30, 58, 138, 0.12), 0 8px 12px -3px rgba(0, 0, 0, 0.04);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
    }
    .faq-item.active .faq-chevron {
      transform: rotate(180deg);
    }