/* roulang page: index */
:root {
            --primary: #0A192F;
            --accent: #0284C7;
            --success: #10B981;
            --text-main: #334155;
            --text-muted: #64748B;
            --bg-light: #F8FAFC;
            --border-color: #E2E8F0;
        }
        body {
            font-family: var(--font-sans, system-ui, -apple-system, sans-serif);
            color: #334155;
            background-color: #FFFFFF;
            -webkit-font-smoothing: antialiased;
        }
        .custom-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
        }
        .custom-shadow-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .custom-shadow-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -4px rgba(15, 23, 42, 0.12);
        }
        .border-subtle {
            border: 1px solid rgba(226, 232, 240, 0.8);
        }