:root {
            --primary: #007bff;
            --dark: #111;
            --light: #f8f9fa;
        }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; margin: 0; padding: 0; color: #333; line-height: 1.6; }
        header { background: #fff; padding: 20px; border-bottom: 2px solid var(--primary); display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 1000; }
        .logo img { max-width: 200px; }
        nav ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }
        nav a { text-decoration: none; color: var(--dark); font-weight: bold; font-size: 0.9em; text-transform: uppercase; }
        .hero { width: 100%; height: 400px; background: #ddd; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
        .hero img { width: 100%; height: 100%; object-fit: cover; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
        .maincontent h1 { color: var(--primary); border-bottom: 2px solid var(--primary); padding-bottom: 10px; }
        .footerbar { background: var(--dark); color: #fff; padding: 40px; margin-top: 40px; }
        .footercontent { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .sidebar { background: var(--light); padding: 20px; border-radius: 8px; }
        .social-link img { width: 48px; display: block; margin-bottom: 10px; }
        @media (max-width: 768px) {
            .container, .footercontent { grid-template-columns: 1fr; }
            nav ul { display: none; }
        }