/* roulang page: index */
:root {
            --primary: #0F4C5C;
            --primary-dark: #0A3641;
            --primary-deep: #06232A;
            --accent: #FB8B24;
            --accent-hover: #E07A1A;
            --bg-canvas: #F8FAFC;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
        }
        body {
            font-family: var(--font-sans, system-ui, -apple-system, sans-serif);
            color: var(--text-main);
            background-color: var(--bg-canvas);
            line-height: 1.7;
        }
        .text-gradient {
            background: linear-gradient(135deg, #0F4C5C 0%, #157588 50%, #FB8B24 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .card-hover {
            transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(15, 76, 92, 0.12);
        }
        .tech-glow {
            box-shadow: 0 0 50px -10px rgba(15, 76, 92, 0.25);
        }
        .hero-diagonal {
            clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
        }
        @media (max-width: 768px) {
            .hero-diagonal {
                clip-path: none;
            }
        }