:root {
  --ink: #182028;
  --muted: #5d6872;
  --line: #d9e0e6;
  --surface: #f4f6f7;
  --paper: #ffffff;
  --accent: #c93d25;
  --accent-dark: #942b1b;
  --steel: #43606f;
  --nav-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

html[dir="rtl"] body {
  direction: rtl;
}

html[dir="rtl"] .brand,
html[dir="rtl"] .hero-actions,
html[dir="rtl"] .factory-points,
html[dir="rtl"] .inquiry-actions {
  flex-direction: row-reverse;
}

html[dir="rtl"] .main-nav {
  direction: rtl;
}

html[dir="rtl"] .language-options {
  right: auto;
  left: 0;
}

html[dir="rtl"] .lang-option,
html[dir="rtl"] .video-card-caption,
html[dir="rtl"] .category-card,
html[dir="rtl"] .product-card {
  text-align: right;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(340px, 1fr) auto minmax(170px, 1fr);
  align-items: center;
  width: 100%;
  min-height: var(--nav-height);
  padding: 14px 42px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(24, 32, 40, 0.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-mark-wide {
  width: 132px;
  height: 42px;
  border: 0;
  border-radius: 0;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-text {
  white-space: nowrap;
  line-height: 1.18;
}

.brand-subtext {
  max-width: 260px;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a {
  padding: 8px 0;
  color: #2d3740;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.is-current {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.language-switch {
  position: relative;
  display: inline-block;
  justify-self: end;
}

.language-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 132px;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  font-weight: 800;
  cursor: pointer;
}

.language-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
}

.language-options {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  display: none;
  width: 184px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(24, 32, 40, 0.14);
}

.language-menu.is-open .language-options {
  display: grid;
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  color: var(--ink);
  background: transparent;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.lang-option span {
  font-size: 17px;
}

.lang-option:hover,
.lang-option.is-active {
  color: #fff;
  background: var(--ink);
}

.section {
  scroll-margin-top: var(--nav-height);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 92vh;
  padding: calc(var(--nav-height) + 48px) 42px 64px;
  overflow: hidden;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background: linear-gradient(90deg, rgba(244, 246, 247, 0.96) 0%, rgba(244, 246, 247, 0.84) 37%, rgba(244, 246, 247, 0.16) 72%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 560px;
  margin-bottom: 30px;
  color: #33414c;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 7px;
  font-weight: 800;
}

.primary-action {
  color: #fff;
  background: var(--accent);
}

.primary-action:hover {
  background: var(--accent-dark);
}

.secondary-action {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
}

button.primary-action,
button.secondary-action {
  border: 0;
  cursor: pointer;
}

.company-section,
.factory-section,
.products-section,
.contact-section {
  padding: 96px 42px;
}

.company-section {
  background: var(--paper);
}

.products-section {
  background: var(--surface);
}

.factory-section {
  background: #11181d;
  color: #fff;
}

.contact-section {
  background: #20292f;
  color: #fff;
}

.section-inner,
.stats-row,
.workshop-gallery,
.category-grid,
.featured-products {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.two-column,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 1.18fr);
  gap: 58px;
  align-items: start;
}

.body-copy {
  color: var(--muted);
  font-size: 18px;
}

.factory-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(420px, 1.22fr);
  gap: 54px;
  align-items: center;
}

.factory-copy p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
}

.factory-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.factory-points span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 7px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 800;
}

.video-card {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #000;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.34);
  cursor: pointer;
}

.video-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.32s ease;
}

.video-card:hover img {
  transform: scale(1.035);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
  transform: translate(-50%, -50%);
}

.play-button::before {
  width: 0;
  height: 0;
  margin-left: 6px;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 22px solid #fff;
  content: "";
}

.video-card-caption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  padding: 12px 14px;
  color: #fff;
  background: rgba(17, 24, 29, 0.72);
  border-radius: 7px;
  font-weight: 900;
  text-align: left;
}

.workshop-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.workshop-gallery article {
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.workshop-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.workshop-gallery span {
  display: block;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 52px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.stat-item {
  padding: 30px;
  background: #fff;
}

.stat-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--steel);
  font-size: 34px;
  line-height: 1;
}

.stat-item span {
  color: var(--muted);
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
  text-align: center;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 17px;
}

.catalog-jump {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 10px;
  padding: 0 22px;
  color: #fff;
  background: var(--accent);
  border-radius: 7px;
  font-weight: 900;
}

.catalog-jump:hover {
  background: var(--accent-dark);
}

.category-helper {
  width: min(1160px, 100%);
  margin: 0 auto 18px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  text-align: center;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 34px;
}

.category-card {
  appearance: none;
  text-align: left;
  min-height: 74px;
  padding: 14px 16px;
  border: 1px solid rgba(67, 96, 111, 0.36);
  border-radius: 8px;
  background: #263842;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.category-card:hover,
.category-card.is-active {
  border-color: rgba(201, 61, 37, 0.7);
  background: var(--accent);
  box-shadow: 0 14px 32px rgba(24, 32, 40, 0.14);
  transform: translateY(-2px);
}

.category-card h3 {
  margin-bottom: 8px;
  color: #fff;
  font-size: 15px;
}

.category-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 800;
}

.product-list-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  width: min(1160px, 100%);
  margin: 0 auto 18px;
  padding-top: 4px;
}

.product-list-header h3 {
  margin-bottom: 0;
}

.product-list-header p:last-child {
  color: var(--muted);
  font-weight: 800;
}

.featured-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  appearance: none;
  text-align: left;
  display: flex;
  min-height: 100%;
  padding: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid #dce4ea;
  border-radius: 8px;
  background: #fff;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  border-color: rgba(67, 96, 111, 0.48);
  box-shadow: 0 16px 36px rgba(24, 32, 40, 0.1);
  transform: translateY(-2px);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 18px;
  background: #f8fafb;
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 18px;
}

.product-card-body span {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.product-card h3 {
  font-size: 17px;
}

.product-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.product-card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
}

.mini-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: #fff;
  font-size: 12px;
  font-weight: 900;
}

.mini-action.is-primary {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.empty-products {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.contact-copy {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.contact-panel {
  display: grid;
  gap: 12px;
}

.contact-panel a,
.contact-panel p {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.contact-panel span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-panel b {
  font-weight: 800;
}

.video-modal,
.product-modal,
.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.video-modal.is-open,
.product-modal.is-open,
.image-lightbox.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.74);
  cursor: pointer;
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(1060px, 100%);
  overflow: hidden;
  border-radius: 8px;
  background: #000;
}

.product-modal-panel {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  max-height: min(88vh, 860px);
  overflow: auto;
  border-radius: 8px;
  background: #fff;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, 0.58);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.factory-reel {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
}

.reel-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 0.55s ease, transform 4.2s ease;
}

.reel-image.is-active {
  opacity: 1;
  transform: scale(1.1);
}

.reel-overlay {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 34px;
  color: #fff;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.74), rgba(0, 0, 0, 0));
}

.reel-overlay h3 {
  max-width: 680px;
  margin-bottom: 18px;
  font-size: 30px;
}

.reel-progress {
  width: min(420px, 100%);
  height: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 99px;
}

.reel-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(360px, 1.05fr);
  gap: 0;
}

.product-media {
  display: flex;
  align-items: start;
  justify-content: center;
  padding: 34px;
  background: #f6f8f9;
}

.product-zoom {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.product-zoom img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-zoom span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.product-info {
  padding: 34px;
}

.detail-tag {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.product-info h2 {
  margin-bottom: 12px;
  font-size: 34px;
}

.product-info > p {
  color: var(--muted);
  font-size: 16px;
}

.spec-table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table th,
.spec-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  color: var(--muted);
  font-weight: 900;
}

.inquiry-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
}

.inquiry-panel h3 {
  font-size: 22px;
}

.inquiry-panel p {
  color: var(--muted);
}

.inquiry-panel label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.inquiry-panel input,
.inquiry-panel textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.inquiry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.email-note {
  margin: 14px 0 0;
  font-size: 13px;
}

.email-note a {
  color: var(--accent);
  font-weight: 900;
}

.image-lightbox {
  z-index: 60;
}

.image-lightbox img {
  position: relative;
  z-index: 1;
  max-width: min(92vw, 980px);
  max-height: 86vh;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
}

.catalog-header-action {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  color: #fff;
  background: var(--ink);
  border-radius: 7px;
  font-weight: 900;
}

.catalog-page {
  background: var(--surface);
}

.catalog-shell {
  padding: calc(var(--nav-height) + 46px) 42px 72px;
}

.catalog-hero {
  width: min(1160px, 100%);
  margin: 0 auto 30px;
}

.catalog-hero h1 {
  margin-bottom: 14px;
  font-size: clamp(42px, 5vw, 68px);
}

.catalog-hero p:last-child {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.catalog-workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
  width: min(1320px, 100%);
  margin: 0 auto;
  align-items: start;
}

.catalog-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 18px);
  display: grid;
  gap: 14px;
}

.catalog-search {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  font-weight: 900;
}

.catalog-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 11px 12px;
  font: inherit;
}

.catalog-category-list {
  display: grid;
  gap: 8px;
}

.catalog-category-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid rgba(67, 96, 111, 0.28);
  border-radius: 8px;
  color: #fff;
  background: #263842;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.catalog-category-button b {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.catalog-category-button:hover,
.catalog-category-button.is-active {
  border-color: var(--accent);
  background: var(--accent);
}

.catalog-results {
  min-width: 0;
}

.catalog-results-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.catalog-results-header h2 {
  margin-bottom: 0;
  font-size: 30px;
}

.catalog-results-header > p {
  margin: 0;
  color: var(--muted);
  font-weight: 900;
}

.catalog-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(1160px, 100%);
  margin: 0 auto;
}

.preview-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.preview-card img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: #f8fafb;
}

.preview-card h2,
.preview-card p {
  padding: 0 20px;
}

.preview-card h2 {
  margin: 18px 0 8px;
  font-size: 24px;
}

.preview-card p {
  margin-bottom: 20px;
  color: var(--muted);
}

.three-shell {
  min-height: 100vh;
  padding-top: var(--nav-height);
  background: #f4f6f7;
}

.three-stage {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  overflow: hidden;
}

.three-copy {
  position: absolute;
  top: 46px;
  left: 42px;
  z-index: 2;
  width: min(460px, calc(100% - 84px));
}

.three-copy h1 {
  margin-bottom: 14px;
  font-size: clamp(42px, 5vw, 68px);
}

.three-copy p:last-child {
  color: var(--muted);
  font-size: 17px;
}

#product3d {
  display: block;
  width: 100%;
  height: calc(100vh - var(--nav-height));
  touch-action: none;
  cursor: grab;
}

#product3d:active {
  cursor: grabbing;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 12px 18px;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 2px;
  }

  .brand-text,
  .brand-subtext {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-mark-wide {
    width: 116px;
    height: 36px;
  }

  .hero,
  .company-section,
  .factory-section,
  .products-section,
  .contact-section {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(244, 246, 247, 0.97) 0%, rgba(244, 246, 247, 0.86) 48%, rgba(244, 246, 247, 0.12) 100%);
  }

  .two-column,
  .contact-layout,
  .factory-layout,
  .product-detail,
  .stats-row,
  .workshop-gallery,
  .category-grid,
  .featured-products {
    grid-template-columns: 1fr;
  }

  .product-list-header {
    align-items: start;
    flex-direction: column;
  }

  .product-media,
  .product-info {
    padding: 22px;
  }

  .catalog-shell {
    padding-right: 20px;
    padding-left: 20px;
  }

  .catalog-workspace {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    position: static;
  }

  .catalog-product-grid {
    grid-template-columns: 1fr;
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .three-copy {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    padding: 28px 20px 0;
  }

  #product3d {
    height: 620px;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 34px;
  }
}