/* roulang page: index */
:root {
            --primary: #0A5C5A;
            --primary-dark: #064240;
            --secondary: #FF6B35;
            --base-light: #F8FAFC;
            --base-dark: #0F172A;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        .hero-bg {
            background-image: linear-gradient(rgba(10, 92, 90, 0.88), rgba(15, 23, 42, 0.95)), url('/assets/images/c71735a9daffc9a5.webp');
            background-size: cover;
            background-position: center;
        }
        .before-after-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .before-after-card:hover {
            transform: translateY(-4px);
        }
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-icon {
            transform: rotate(45deg);
        }