/* roulang page: index */
:root {
            --primary: #0284C7;
            --electric: #6366F1;
            --bg-light: #F8FAFC;
            --card-border: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: #1E293B;
            overflow-x: hidden;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 27, 75, 0.92) 100%);
        }
        .text-gradient {
            background: linear-gradient(135deg, #38BDF8 0%, #818CF8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .btn-gradient {
            background: linear-gradient(135deg, #0284C7 0%, #6366F1 100%);
        }
        .btn-gradient:hover {
            background: linear-gradient(135deg, #0369A1 0%, #4F46E5 100%);
        }
        .card-custom {
            background: #FFFFFF;
            border: 1px solid #F1F5F9;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            border-color: #E0E7FF;
            box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
        }