/* Tablet Styles */
@media screen and (max-width: 1024px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 4rem;
    }
    
    .company-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

/* Mobile Styles */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem 0;
        gap: 1rem;
        transition: var(--transition);
        box-shadow: var(--shadow-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: 1rem;
        width: 100%;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-controls {
        align-items: stretch;
    }
    
    .filter-buttons {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal-content {
        max-height: 95vh;
    }
    
    .modal-body {
        padding: 0;
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .modal .product-image {
        border-radius: 20px 20px 0 0;
        height: 200px;
        font-size: 3rem;
    }
    
    .product-details {
        padding: 2rem;
    }
    
    .product-header h2 {
        font-size: 1.5rem;
    }
    
    .product-variants ul {
        grid-template-columns: 1fr;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .modal-actions .btn {
        padding: 0.875rem 1.5rem;
    }
    
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    .quality-process {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .quote-form {
        padding: 2rem;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .quick-contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .success-modal {
        padding: 2rem 1rem;
    }
}

/* Small Mobile Styles */
@media screen and (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .nav-container {
        padding: 0.75rem 0;
    }
    
    .nav-logo {
        font-size: var(--font-size-lg);
    }
    
    .nav-logo img {
        width: 32px;
        height: 32px;
    }
    
    .hero-content {
        padding: 100px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .btn {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }
    
    .category-card {
        padding: 1rem;
    }
    
    .category-icon {
        width: 50px;
        height: 50px;
    }
    
    .category-icon i {
        font-size: 1.25rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
    
    .product-image {
        height: 150px;
        font-size: 2rem;
    }
    
    .modal .product-image {
        height: 120px;
    }
    
    .image-placeholder {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .process-step {
        padding: 1.5rem;
    }
    
    .contact-item,
    .cert-item,
    .advantage-item {
        padding: 1.5rem;
    }
    
    .quote-form {
        padding: 1.5rem;
    }
    
    .form-header {
        margin-bottom: 2rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-logo {
        font-size: var(--font-size-lg);
    }
    
    .footer-logo img {
        width: 32px;
        height: 32px;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
    }
}

/* Large screens */
@media screen and (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print styles */
@media print {
    .navbar,
    .hamburger,
    .cta-section,
    .footer,
    .scroll-to-top,
    .modal {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .page-header {
        margin-top: 0;
        padding: 2rem 0;
    }
    
    section {
        padding: 1rem 0;
    }
    
    .hero-background,
    .hero-overlay {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .category-card,
    .product-card,
    .feature-item {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-light);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --text-dark: #000000;
        --text-medium: #000000;
        --border-light: #000000;
        --border-medium: #000000;
    }
    
    .btn-outline {
        border-width: 3px;
    }
    
    .category-card,
    .product-card,
    .feature-item {
        border: 2px solid var(--border-medium);
    }
}

/* Focus visible for keyboard navigation */
@media (any-hover: none) {
    .category-card:hover,
    .product-card:hover,
    .btn:hover {
        transform: none;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: 1rem 0.5rem;
    }
    
    .filter-btn {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
    
    .category-card,
    .product-card {
        padding: 1.5rem;
    }
}