/* roulang page: index */
:root {
      --primary-color: #1e3a8a;
      --secondary-color: #2563eb;
      --accent-color: #f59e0b;
      --bg-slate: #0f172a;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
    }
    .hero-overlay {
      background: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.85) 50%, rgba(15, 23, 42, 0.4) 100%);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 500;
    }
    details summary::-webkit-details-marker {
      display: none;
    }