/* roulang page: index */
:root {
            --brand-graphite: #0F172A;
            --brand-dark: #090D16;
            --brand-mint: #10B981;
            --brand-teal: #06B6D4;
            --bg-light: #F8FAFC;
            --border-light: rgba(226, 232, 240, 0.8);
            --shadow-soft: 0 10px 30px -10px rgba(0,0,0,0.05);
        }
        
        body {
            background-color: var(--bg-light);
            color: #334155;
            font-feature-settings: "cv02", "cv03", "cv04", "cv11";
            -webkit-font-smoothing: antialiased;
        }

        .hero-overlay {
            background: linear-gradient(135deg, rgba(9, 13, 22, 0.94) 0%, rgba(15, 23, 42, 0.88) 100%);
        }

        .card-custom {
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-soft);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.08);
            border-color: rgba(16, 185, 129, 0.4);
        }

        .glass-header {
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-content {
            transition: max-height 0.3s ease-out, opacity 0.25s ease-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .faq-item.active .faq-content {
            max-height: 250px;
            opacity: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }