/* roulang page: index */
:root {
            --color-primary: #0F172A;
            --color-accent: #1E40AF;
            --color-emerald: #059669;
            --color-bg-light: #F8FAFC;
            --color-border: #E2E8F0;
        }
        body {
            box-sizing: border-box;
            background-color: var(--color-bg-light);
            color: #334155;
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }
        .text-balance {
            text-wrap: balance;
        }
        .hero-pattern {
            background-color: #0b1329;
            background-image: radial-gradient(rgba(30, 64, 175, 0.25) 1px, transparent 0);
            background-size: 24px 24px;
        }
        .glass-panel {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }
        .glass-dark {
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .card-hover-effect {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-hover-effect:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
        }
        /* Custom Accordion */
        .faq-content {
            transition: max-height 0.35s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .faq-item.active .faq-content {
            max-height: 240px;
            opacity: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }