:root {
            --primary: #003a76;
            --accent: #efc300;
            --dark: #000;
            --light: #f4f4f4;
            --white: #ffffff;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; line-height: 1.6; color: #333; }
        
        .header { background: var(--primary); color: var(--white); padding: 1rem; text-align: center; }
        .logo-container { width: 150px; margin: 0 auto; height: 60px; background: #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; }
        .nav { background: #000; padding: 0.5rem; display: flex; justify-content: center; flex-wrap: wrap; }
        .nav a { color: var(--white); padding: 0.5rem 1rem; text-decoration: none; font-size: 0.9rem; }
        
        .hero { height: 300px; background: linear-gradient(45deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); padding: 2rem; }
        
        .container { max-width: 1100px; margin: 2rem auto; padding: 0 1rem; display: grid; grid-template-columns: 1fr 300px; gap: 2rem; }
        @media (max-width: 768px) { .container { grid-template-columns: 1fr; } }
        
        .main-content article { background: var(--white); padding: 2rem; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
        .sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
        .widget { background: var(--light); padding: 1rem; border-left: 5px solid var(--accent); }
        
        .footer { background: var(--dark); color: var(--white); padding: 2rem; text-align: center; margin-top: 2rem; }
        
        .img-placeholder { width: 100%; height: 200px; background: #ddd; display: flex; align-items: center; justify-content: center; color: #666; margin-bottom: 1rem; }