/* roulang page: index */
:root {
      --primary-color: #1E40AF;
      --primary-light: #3B82F6;
      --accent-color: #10B981;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --bg-light: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: #FFFFFF;
    }
    .hero-gradient {
      background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 60%, #2563EB 100%);
    }
    .card-shadow {
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-shadow:hover {
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      transform: translateY(-4px);
    }
    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      display: inline-block;
      margin-right: 6px;
    }