/* Large Desktop (min-width: 1400px) */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
}

/* Tablets and below (max-width: 1024px) */
@media (max-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .series-hero h1 {
    font-size: 2.5rem;
  }
}

/* Medium tablets (max-width: 900px) */
@media (max-width: 900px) {
  .dropdown {
    min-width: 200px;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  
  .header-inner {
    padding: 0 20px;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    padding: 2rem 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.15);
    overflow-y: auto;
    z-index: 999;
    border-top: 2px solid var(--color-primary);
  }
  
  .main-nav.active {
    transform: translateX(0);
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0 2rem;
    text-align: center;
  }
  
  .main-nav li {
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }
  
  .main-nav > ul > li > a {
    display: block;
    padding: 1rem 0;
    color: var(--color-dark);
    background: transparent;
    transform: none;
    border-radius: 0;
    position: relative;
    text-align: center;
    transition: color 0.3s ease, background-color 0.3s ease;
  }
  
  .main-nav > ul > li > a::before {
    display: none;
  }
  
  .main-nav > ul > li > a::after {
    display: none;
  }
  
  .main-nav > ul > li > a:hover {
    color: var(--color-primary);
    transform: none;
    background: rgba(255, 102, 0, 0.05);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .language-switcher {
    order: -1;
  }
  
  .header-right {
    gap: 1rem;
  }
  
  /* Dropdown мобильная версия */
  .has-dropdown > a {
    position: relative;
    display: flex !important;
    align-items: center;
    justify-content: center;
  }
  
  .has-dropdown > a::after {
    content: 'в–ј';
    font-size: 0.7rem;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.15), rgba(59, 130, 246, 0.15));
    border-radius: 50%;
    animation: pulse-indicator 2s ease-in-out infinite;
  }
  
  @keyframes pulse-indicator {
    0%, 100% {
      box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.4);
    }
    50% {
      box-shadow: 0 0 0 6px rgba(255, 102, 0, 0);
    }
  }
  
  .has-dropdown.active > a::after {
    transform: translateY(-50%) rotate(180deg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    animation: none;
  }
  
  .dropdown {
    position: static !important;
    transform: none !important;
    min-width: 0 !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: var(--color-bg-light) !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    border-radius: 0 !important;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease !important;
    opacity: 0 !important;
    visibility: visible !important;
  }
  
  .dropdown::before {
    display: none !important;
  }
  
  .has-dropdown.active .dropdown {
    max-height: 500px;
    display: block;
    opacity: 1 !important;
    animation: slideInDown 0.4s ease-out;
  }
  
  @keyframes slideInDown {
    from {
      transform: translateY(-10px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  .dropdown li {
    border-bottom: 1px solid var(--color-border);
    animation: fadeInItem 0.3s ease-out backwards;
  }
  
  .has-dropdown.active .dropdown li:nth-child(1) { animation-delay: 0.05s; }
  .has-dropdown.active .dropdown li:nth-child(2) { animation-delay: 0.1s; }
  .has-dropdown.active .dropdown li:nth-child(3) { animation-delay: 0.15s; }
  .has-dropdown.active .dropdown li:nth-child(4) { animation-delay: 0.2s; }
  .has-dropdown.active .dropdown li:nth-child(5) { animation-delay: 0.25s; }
  
  @keyframes fadeInItem {
    from {
      opacity: 0;
      transform: translateX(-20px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
  
  .dropdown li {
    border-bottom: 1px solid var(--color-border);
  }
  
  .dropdown li::before {
    display: none !important;
  }
  
  .dropdown li:last-child {
    border-bottom: none;
  }
  
  .dropdown a {
    padding: 1rem 1.5rem !important;
    font-size: 0.9rem !important;
    color: var(--color-gray) !important;
    border-left: none !important;
    background: transparent !important;
    transform: none !important;
    transition: all 0.3s ease !important;
    text-align: center !important;
  }
  
  .dropdown a::before,
  .dropdown a::after {
    display: none !important;
  }
  
  .dropdown a:hover {
    background: rgba(255, 102, 0, 0.08) !important;
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
    color: var(--color-primary) !important;
    transform: none !important;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .series-grid {
    grid-template-columns: 1fr;
  }
  
  .category-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .category-card {
    padding: 1.5rem;
  }
  
  .category-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }
  
  .category-card p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }
  
  .category-card .btn-small {
    width: 100%;
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    white-space: normal;
    line-height: 1.4;
  }
  
  .category-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .search-filter-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    width: 100%;
    min-width: 100%;
  }
  
  .filter-buttons {
    justify-content: center;
  }
  
  /* Catalog page mobile optimizations */
  .catalog-filters {
    padding: 1.5rem 0;
    position: sticky;
    top: 70px;
  }
  
  .filter-tabs {
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    justify-content: flex-start;
    padding: 0 1rem;
  }
  
  .filter-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .filter-tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .filter-tab:hover {
    transform: none;
  }
  
  .search-box input {
    padding: 1rem 1rem 1rem 3rem;
    font-size: 0.95rem;
  }
  
  .search-box::before {
    left: 1rem;
    font-size: 1rem;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
  }
  
  .product-card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  }
  
  .product-image {
    height: 200px;
  }
  
  .product-info {
    padding: 1.25rem;
  }
  
  .product-title {
    font-size: 1.1rem;
  }
  
  .product-specs {
    gap: 0.5rem;
  }
  
  .spec-badge {
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
  }
  
  .btn-details {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .series-hero {
    height: 300px;
  }
  
  .series-hero h1 {
    font-size: 2rem;
  }
  
  .models-grid {
    grid-template-columns: 1fr;
  }
  
  .downloads-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  /* How We Work Section - Mobile */
  .work-item {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    display: flex;
    flex-direction: column;
  }
  
  .work-item .work-image {
    order: 1;
  }
  
  .work-item .work-content {
    order: 2;
  }
  
  .work-image {
    height: 300px;
  }
  
  .work-content {
    padding: var(--space-4);
  }
  
  .work-content h3 {
    font-size: 1.5rem;
  }
  
  .work-content p {
    font-size: 0.95rem;
  }

  /* Product page mobile */
  .product-header {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .product-image-wrapper {
    max-height: 300px;
  }
  
  .product-info h1 {
    font-size: 1.75rem;
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .product-actions .btn {
    width: 100%;
    text-align: center;
  }
  
  /* Spec Table Mobile - Horizontal Scroll */
  .spec-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .spec-table {
    min-width: 500px;
  }
  
  .spec-table th,
  .spec-table td {
    padding: 0.5rem;
    font-size: 0.85rem;
  }
  
  /* Alternative: Accordion Style for Specs */
  .spec-accordion {
    display: block;
  }
  
  .spec-row {
    border: 1px solid #ddd;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    overflow: hidden;
  }
  
  .spec-row-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--color-bg-light);
    cursor: pointer;
    font-weight: 600;
  }
  
  .spec-row-content {
    padding: 1rem;
    display: none;
    background-color: var(--color-white);
  }
  
  .spec-row.active .spec-row-content {
    display: block;
  }
  
  .spec-row-toggle {
    font-size: 1.25rem;
    transition: transform var(--transition-speed);
  }
  
  .spec-row.active .spec-row-toggle {
    transform: rotate(180deg);
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  .container,
  .container-wide {
    padding: 0 15px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .section-title h2 {
    font-size: 1.75rem;
  }
  
  .series-card-image {
    height: 200px;
  }
  
  .model-card-image {
    height: 180px;
  }
  
  .model-actions {
    flex-direction: column;
  }
  
  .model-actions .btn-small {
    width: 100%;
  }
  
  /* How We Work - Small Mobile */
  .work-image {
    height: 240px;
  }
  
  .work-content h3 {
    font-size: 1.25rem;
  }
  
  .work-content p {
    font-size: 0.9rem;
    text-align: left;
  }
  }
  
  .filter-btn {
    width: 100%;
    text-align: center;
  }
  
  /* Small mobile catalog improvements */
  .filter-tabs {
    padding: 0 0.75rem;
  }
  
  .filter-tab {
    padding: 0.625rem 1rem;
    font-size: 0.75rem;
  }
  
  .products-grid {
    gap: 1.25rem;
  }
  
  .product-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }
  
  .product-image {
    height: 180px;
  }
  
  .product-info {
    padding: 1rem;
  }
  
  .product-title {
    font-size: 1rem;
  }
  
  .product-category {
    font-size: 0.7rem;
  }
  
  .product-specs {
    flex-wrap: wrap;
  }
  
  .spec-badge {
    padding: 0.35rem 0.6rem;
    font-size: 0.7rem;
  }
  
  .btn-details {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
  }
}

/* Print Styles */
@media print {
  .site-header,
  .mobile-menu-toggle,
  .hero-video,
  .cta-section,
  .site-footer {
    display: none !important;
  }
  
  .hero {
    height: auto;
    min-height: 0;
    page-break-after: always;
  }
  
  .series-hero {
    height: auto;
    margin-top: 0;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  h1 { font-size: 24pt; }
  h2 { font-size: 20pt; }
  h3 { font-size: 16pt; }
  
  a {
    text-decoration: underline;
    color: #000;
  }
  
  .spec-table {
    page-break-inside: avoid;
  }
}

/* High Resolution Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Sharper borders and shadows for retina displays */
  .series-card,
  .model-card,
  .category-card {
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
  }
}

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

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
  /* Keep the industrial look consistent, but you can add dark mode support if needed */
}

/* About Page Company Photos - Mobile Responsive */
@media (max-width: 768px) {
  .about-photo-section {
    grid-template-columns: 1fr !important;
    gap: var(--space-8) !important;
  }
  
  .about-photo-section div[style*="grid-template-columns"] {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-6) !important;
  }
  
  .about-photo-section img {
    height: 250px !important;
  }
}