/* roulang page: index */
:root {
            --brand-primary: #0E7490;
            --brand-accent: #F97316;
            --surface-bg: #F8FAFC;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }
        body {
            color: var(--text-main);
            background-color: var(--surface-bg);
            -webkit-font-smoothing: antialiased;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(14, 116, 144, 0.86) 60%, rgba(15, 23, 42, 0.96) 100%);
        }
        .card-custom {
            border: 1px solid rgba(226, 232, 240, 0.9);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(14, 116, 144, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            border-color: rgba(14, 116, 144, 0.3);
        }