@media (max-width: 1440px) {
    .container {
        max-width: 1200px;
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 960px;
        padding: 0 20px;
    }
    
    .header-content {
        gap: 20px;
    }
    
    .nav {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero h2 {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .factory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 16px;
    }
    
    .header {
        height: 64px;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid #F5F5F5;
    }
    
    .header-cta {
        display: block;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: 80vh;
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 36px;
        line-height: 1.2;
    }
    
    .hero h2 {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .stat-item h3 {
        font-size: 32px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .product-filters {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .factory-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .thumbnails {
        justify-content: center;
    }
    
    .tabs {
        flex-direction: column;
        gap: 8px;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero h2 {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .product-actions {
        flex-direction: column;
    }
}