/* roulang page: index */
:root {
            --brand-gradient: linear-gradient(135deg, #1E3A8A 0%, #2563EB 50%, #0D9488 100%);
            --card-subtle-gradient: linear-gradient(180deg, rgba(37,99,235,0.04) 0%, rgba(13,148,136,0.02) 100%);
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 50%, #B45309 100%);
            --dark-card-bg: rgba(15, 23, 42, 0.75);
        }
        html, body {
            overflow-x: hidden;
            background-color: #F8FAFC;
            color: #334155;
        }
        .text-gradient {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .text-gradient-gold {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .bg-brand-gradient {
            background: var(--brand-gradient);
        }
        .bg-gold-gradient {
            background: var(--gold-gradient);
        }
        .card-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-shadow:hover {
            box-shadow: 0 20px 35px -5px rgba(37, 99, 235, 0.12);
            transform: translateY(-4px);
        }
        .hero-pattern {
            background-image: radial-gradient(rgba(37, 99, 235, 0.12) 1px, transparent 1px);
            background-size: 28px 28px;
        }
        .dark-pattern {
            background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
            background-size: 32px 32px;
        }