/* roulang page: index */
:root {
      --primary: #0E4B5B;
      --secondary: #0A2540;
      --accent: #10B981;
      --surface: #FFFFFF;
      --bg-alt: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      color: var(--text-main);
      background-color: #ffffff;
      -webkit-font-smoothing: antialiased;
      line-height: 1.7;
    }
    .custom-card {
      background: #FFFFFF;
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: 0 4px 20px -2px rgba(14, 75, 91, 0.05);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px -4px rgba(14, 75, 91, 0.12);
      border-color: rgba(14, 75, 91, 0.25);
    }
    .nav-blur {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      background-color: rgba(255, 255, 255, 0.94);
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(10, 37, 64, 0.92) 0%, rgba(14, 75, 91, 0.86) 100%);
    }
    .badge-soft {
      background-color: rgba(16, 185, 129, 0.12);
      color: #065F46;
      border: 1px solid rgba(16, 185, 129, 0.25);
    }