:root {
            --primary: #006e52;
            --accent: #2934e2;
            --dark: #1a1a1a;
            --light: #f5f5f5;
            --white: #ffffff;
        }

        * { box-sizing: border-box; }
        body { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; margin: 0; color: #333; line-height: 1.6; }
        
        /* Layout */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .header { padding: 20px 0; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center; }
        .logo { font-weight: bold; font-size: 1.5rem; text-decoration: none; color: var(--dark); font-family: Baskerville, serif; letter-spacing: 1px; }
        
        .announcement { background: var(--accent); color: white; text-align: center; padding: 10px; font-size: 0.9rem; }
        .nav-menu { display: flex; gap: 20px; list-style: none; }
        .nav-menu a { text-decoration: none; color: var(--dark); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; }

        .hero-section { height: 400px; background: #ddd; display: flex; align-items: center; justify-content: center; position: relative; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; padding: 40px 0; }
        
        .promo-block { background: var(--light); padding: 60px 20px; display: flex; align-items: center; gap: 40px; }
        .img-placeholder { background: #ccc; width: 100%; height: 300px; display: flex; align-items: center; justify-content: center; color: #666; font-style: italic; }
        
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: white; text-decoration: none; border-radius: 4px; border: none; cursor: pointer; }
        
        footer { background: var(--dark); color: white; padding: 40px 0; text-align: center; }
        footer a { color: #aaa; text-decoration: none; display: block; margin: 5px 0; }

        /* Responsive */
        @media (max-width: 768px) { .nav-menu { display: none; } .promo-block { flex-direction: column; } }