/* roulang page: index */
:root {
            --brand-primary: #00D18F;
            --brand-dark: #0B0F17;
            --text-main: #0F172A;
            --text-sub: #475569;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .hero-banner-bg {
            background-image: linear-gradient(180deg, rgba(11, 15, 23, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%), url('/assets/images/7f322f0d1bc98d38.jpg');
            background-size: cover;
            background-position: center;
        }
        .hero-nav-bar {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .glass-card {
            background: #ffffff;
            border: 1px solid #F1F5F9;
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -4px rgba(0, 209, 143, 0.15);
            border-color: rgba(0, 209, 143, 0.3);
        }
        .dark-glass-card {
            background: rgba(30, 41, 59, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }
        .dark-glass-card:hover {
            border-color: rgba(0, 209, 143, 0.4);
            transform: translateY(-3px);
        }
        .btn-brand-primary {
            background-color: #00D18F;
            color: #0B0F17;
            font-weight: 600;
            transition: all 0.2s ease;
        }
        .btn-brand-primary:hover {
            background-color: #059669;
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(0, 209, 143, 0.35);
        }