/* roulang page: index */
:root {
            --primary: #0F52BA;
            --primary-dark: #0B3C8A;
            --accent: #2563EB;
            --bg-light: #F8FAFC;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
        }
        .hero-pattern {
            background: linear-gradient(135deg, #0B132B 0%, #172554 50%, #0F52BA 100%);
        }
        .gold-badge {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
        }
        .card-transition {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-transition:hover {
            transform: translateY(-4px);
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
        }
        .accordion-open .accordion-content {
            max-height: 250px;
        }
        .accordion-open .accordion-icon {
            transform: rotate(180deg);
        }
        .sticky-footer-cta {
            transform: translateY(120%);
            transition: transform 0.3s ease-in-out;
        }
        .sticky-footer-cta.show {
            transform: translateY(0);
        }