/* roulang page: index */
:root {
            --primary: #1E40AF;
            --accent: #3B82F6;
            --dark: #0F172A;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: #1E293B;
            background-color: #F8FAFC;
        }
        .hero-overlay {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 64, 175, 0.88) 100%);
        }
        .card-custom {
            transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid #E2E8F0;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
            border-color: #BFDBFE;
        }
        .badge-subtle {
            background-color: #EFF6FF;
            color: #1D4ED8;
            border: 1px solid #DBEAFE;
        }