/* roulang page: index */
:root {
            --primary: #1A56DB;
            --primary-dark: #1542A6;
            --accent: #F59E0B;
            --success: #10B981;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --bg-light: #F8FAFC;
            --border-color: #E2E8F0;
        }
        body {
            color: var(--text-body);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }
        .hero-bg {
            background-image: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.9)), url('/assets/images/b3712a4c25eb9a1a.webp');
            background-size: cover;
            background-position: center;
        }
        .pattern-grid {
            background-image: radial-gradient(rgba(26, 86, 219, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .card-hover {
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.08);
        }