* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; }
        .container { max-width: 1200px; margin: 0 auto; padding: 15px 20px; }
        header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: fixed; width: 100%; top: 0; z-index: 1000; }
        nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
        .logo { font-size: 1.5rem; font-weight: bold; color: #F87171; }
        .nav-menu { display: flex; list-style: none; gap: 2rem; }
        .nav-menu a { text-decoration: none; color: #333; font-weight: 500; }
        .cta-btn { background: #4C0519; color: white; padding: 0.8rem 1.5rem; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; }
        .hero { background: linear-gradient(135deg, #F87171, #4C0519); color: white; text-align: center; padding: 120px 0 80px; }
        .hero h1 { font-size: 3rem; margin-bottom: 1rem; }
        .hero p { font-size: 1.2rem; margin-bottom: 2rem; }
        .features { display: flex; justify-content: center; gap: 2rem; margin: 2rem 0; flex-wrap: wrap; }
        .feature { text-align: center; }
        .btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
        .btn { padding: 1rem 2rem; border: none; border-radius: 5px; color: white; text-decoration: none; font-weight: bold; }
        .btn-primary { background: #4C0519; }
        .btn-secondary { background: transparent; border: 2px solid white; }
        section { padding: 80px 0; }
        .about { background: #f8f9fa; }
        .promise { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-top: 2rem; }
        .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
        .service-card { background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); text-align: center; }
        .why-choose { background: #F87171; color: white; text-align: center; }
        .warranty { background: #fff; text-align: center; }
        .testimonials { background: #f8f9fa; text-align: center; }
        .testimonial { max-width: 400px; margin: 0 auto 2rem; font-style: italic; }
        .contact { background: #F87171; color: white; text-align: center; }
        form { max-width: 600px; margin: 2rem auto; }
        input, select, textarea { width: 100%; padding: 1rem; margin-bottom: 1rem; border: 1px solid #ddd; border-radius: 5px; }
        footer { background: #333; color: white; text-align: center; padding: 2rem 0; }
        .quick-links { display: flex; justify-content: center; gap: 2rem; list-style: none; margin: 1rem 0; }
        .quick-links a { color: #ccc; text-decoration: none; }
        .popup { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); z-index: 2000; }
        .popup-content { background: white; margin: 03% auto; padding: 2rem; max-width: 1200px; border-radius: 10px; position: relative; }
        .close { position: absolute; top: 10px; right: 20px; font-size: 2rem; cursor: pointer; }
        @media (max-width: 768px) { .nav-menu { display: none; } .hero h1 { font-size: 2rem; } }