/* roulang page: index */
:root {
            --primary: #1E40AF;
            --primary-hover: #1D4ED8;
            --secondary: #0284C7;
            --accent: #0D9488;
            --bg-light: #F8FAFC;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --card-border: #E2E8F0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: var(--text-body);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }
        .hero-slant {
            clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
        }
        .card-custom {
            border: 1px solid var(--card-border);
            border-radius: 1rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            border-color: #BFDBFE;
            box-shadow: 0 16px 32px -8px rgba(30, 64, 175, 0.08), 0 4px 8px -4px rgba(30, 64, 175, 0.04);
        }