/* roulang page: index */
:root {
      --primary: #0F4C81;
      --secondary: #2563EB;
      --accent: #0284C7;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
      transition: all 0.25s ease-in-out;
    }
    .custom-shadow:hover {
      box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
      transform: translateY(-3px);
    }
    .btn-lift {
      transition: all 0.2s ease-in-out;
    }
    .btn-lift:hover {
      transform: translateY(-2px);
    }
    .hero-pattern {
      background: linear-gradient(135deg, rgba(15, 76, 129, 0.94) 0%, rgba(11, 25, 44, 0.96) 100%),
                  url('/assets/images/be032a854f56b9d9.jpg') center/cover no-repeat;
    }
    .dark-section-bg {
      background: radial-gradient(circle at 50% 30%, #1e293b 0%, #0b192c 100%);
    }
    .glow-border {
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .glow-border:hover {
      border-color: rgba(37, 99, 235, 0.6);
    }