@media (max-width: 1200px) {
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .products-grid,
    .features-grid,
    .news-grid,
    .certificates-grid,
    .factory-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-widgets {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .applications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    
    .hero-content h1 {
        font-size: 42px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .hero-stat-number {
        font-size: 32px;
    }
    
    .why-choose-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .why-choose-image {
        order: -1;
    }
    
    .image-main {
        height: 350px;
    }
    
    .about-content,
    .product-detail-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .products-layout {
        grid-template-columns: 1fr;
    }
    
    .products-sidebar {
        order: 2;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-image::before {
        display: none;
    }
    
    .product-gallery {
        position: static;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-section h2 {
        font-size: 28px;
    }
}

@media (max-width: 991px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    h3 { font-size: 20px; }
    
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .main-navigation {
        position: relative;
    }
    
    .menu-text {
        display: block;
        font-weight: 600;
    }
    
    #primary-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        background: var(--white);
        box-shadow: var(--shadow-hover);
        flex-direction: column;
        padding: 20px;
        min-width: 250px;
        border-radius: var(--radius);
    }
    
    #primary-menu.toggled {
        display: flex;
    }
    
    #primary-menu li {
        margin: 0;
    }
    
    #primary-menu li a {
        padding: 14px 20px;
        border-radius: var(--radius-sm);
    }
    
    .hero-section {
        padding: 80px 0 100px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .hero-content p {
        font-size: 17px;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .page-hero {
        padding: 60px 0;
    }
    
    .page-hero-content h1 {
        font-size: 32px;
    }
    
    .page-hero-content p {
        font-size: 16px;
    }
    
    .news-layout {
        grid-template-columns: 1fr;
    }
    
    .news-sidebar {
        position: static;
    }
    
    .featured-card {
        grid-template-columns: 1fr;
    }
    
    .featured-content {
        padding: 24px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid,
    .features-grid,
    .news-grid,
    .certificates-grid,
    .factory-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-section {
        padding: 60px 0;
    }
    
    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-widget h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .contact-form-header {
        padding: 30px 24px 24px;
    }
    
    .contact-hero {
        padding: 60px 0;
    }
    
    .contact-hero h1 {
        font-size: 32px;
    }
    
    .contact-hero p {
        font-size: 16px;
    }
    
    .product-thumbnails {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .error-code {
        font-size: 120px;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .news-list .news-card {
        grid-template-columns: 1fr;
    }
    
    .article-nav {
        flex-direction: column;
        gap: 20px;
    }
    
    .article-nav a {
        max-width: 100%;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .cta-section {
        padding: 60px 0;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
        padding-top: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-badge-row {
        flex-direction: column;
        gap: 12px;
    }
    
    .image-float {
        bottom: -20px;
        right: 10px;
        padding: 16px;
    }
    
    .certifications-track {
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 26px; }
    h2 { font-size: 24px; }
    
    .hero-section {
        padding: 60px 0 80px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    .product-card-image {
        height: 180px;
    }
    
    .product-card-content {
        padding: 16px;
    }
    
    .news-card-image {
        height: 160px;
    }
    
    .news-card-content {
        padding: 16px;
    }
    
    .feature-item {
        padding: 30px 20px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .footer-widget {
        padding: 0 10px;
    }
    
    .error-code {
        font-size: 100px;
    }
    
    .error-title {
        font-size: 28px;
    }
}