/* roulang page: index */
:root {
            --brand-primary: #0F3E7A;
            --brand-accent: #1E40AF;
            --surface-ground: #F8FAFC;
            --surface-card: #FFFFFF;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(240, 246, 254, 0.92) 100%), url('/assets/images/611a7fd5fe259647.jpg') center/cover no-repeat;
        }
        .dark-section-bg {
            background: linear-gradient(180deg, #0A192F 0%, #0F172A 100%);
        }
        .card-custom-shadow {
            box-shadow: 0 10px 30px -5px rgba(15, 62, 122, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
        }
        .card-custom-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 35px -5px rgba(15, 62, 122, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .stepper-line::after {
            content: '';
            position: absolute;
            top: 24px;
            left: 50%;
            width: 100%;
            height: 2px;
            background: #CBD5E1;
            z-index: 0;
        }