/* roulang page: index */
:root {
            --brand-gradient: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
            --glow-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.25);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: #334155;
            background-color: #F8FAFC;
        }
        .text-gradient {
            background: linear-gradient(135deg, #4F46E5 0%, #0891B2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .btn-gradient {
            background: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
            transition: all 0.3s ease;
        }
        .btn-gradient:hover {
            opacity: 0.95;
            box-shadow: 0 10px 20px -5px rgba(6, 182, 212, 0.4);
            transform: translateY(-2px);
        }
        .hero-banner-bg {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 27, 75, 0.92) 100%), url('/assets/images/42329cf9d4109ed0.png') center/cover no-repeat;
        }
        .card-hover {
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(99, 102, 241, 0.12), 0 8px 10px -6px rgba(99, 102, 241, 0.08);
        }