:root {
  --red: #d8001d;
  --red-dark: #9c0017;
  --black: #0a0a0b;
  --charcoal: #151618;
  --panel: #1c1d20;
  --line: #2e3136;
  --soft-line: #d7dbe1;
  --text: #f5f7fa;
  --muted: #aeb5bf;
  --body: #f1f3f6;
  --body-text: #20242a;
  --max-width: 1320px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Arial Narrow", Arial, Helvetica, sans-serif;
  background: var(--body);
  color: var(--body-text);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.utility-bar {
  background: #0b0c0f;
  color: var(--muted);
  border-bottom: 1px solid #20242a;
}

.utility-inner,
.site-header-inner,
.section,
.site-footer-inner {
  width: min(calc(100% - 36px), var(--max-width));
  margin: 0 auto;
}

.utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 42px;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.utility-inner p {
  margin: 0;
}

.utility-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.utility-links a,
.primary-nav a {
  text-decoration: none;
  text-transform: uppercase;
}

.utility-links a:hover,
.primary-nav a:hover,
.news-panel a:hover,
.release-list a:hover {
  color: white;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #d4d8de;
  backdrop-filter: blur(14px);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
  flex-wrap: wrap;
}

.logo-link img {
  width: 170px;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  flex: 1 1 auto;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.lang-switch a {
  text-decoration: none;
  color: #666d77;
}

.lang-switch a.active,
.lang-switch a:hover {
  color: var(--red);
}

.hero-portal {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  grid-template-rows: minmax(300px, 480px) minmax(240px, 280px);
  gap: 14px;
  width: min(calc(100% - 36px), var(--max-width));
  margin: 18px auto 0;
}

.hero-slide {
  position: relative;
  overflow: hidden;
  background: #111;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.66));
}

.hero-slide-primary {
  grid-row: 1 / span 2;
}

.hero-copy,
.hero-label {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
}

.hero-copy {
  bottom: 0;
  padding: 34px;
  color: var(--text);
}

.hero-kicker,
.eyebrow {
  margin: 0 0 10px;
  color: #ffd5da;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

html[lang="zh-CN"] .hero-kicker,
html[lang="zh-CN"] .eyebrow,
html[lang="zh-CN"] .primary-nav,
html[lang="zh-CN"] .utility-links,
html[lang="zh-CN"] .lang-switch,
html[lang="zh-CN"] .release-tag,
html[lang="zh-CN"] .spec-chips span,
html[lang="zh-CN"] .form-grid span,
html[lang="zh-CN"] .footer-button,
html[lang="zh-CN"] .hero-button,
html[lang="zh-CN"] .inline-action {
  letter-spacing: 0.03em;
}

.hero-copy h1,
.section-title h2,
.team-heading h2,
.site-footer h2 {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 0.98;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(2.5rem, 5.2vw, 5.6rem);
}

.hero-text {
  max-width: 620px;
  margin: 16px 0 0;
  color: #e5e8ed;
  line-height: 1.7;
  font-size: 1rem;
}

.hero-button,
.footer-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-button {
  margin-top: 22px;
  background: var(--red);
  color: white;
}

.hero-button:hover,
.footer-button-primary:hover {
  background: var(--red-dark);
}

.hero-label {
  bottom: 0;
  padding: 22px;
  color: white;
}

.hero-label span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffd7dd;
}

.hero-label strong {
  font-size: 1.25rem;
  line-height: 1.2;
}

.section {
  padding: 56px 0;
}

.section-title {
  margin-bottom: 22px;
}

.section-title h2,
.team-heading h2,
.site-footer h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.section-title p,
.team-copy p,
.engineering-card p,
.site-footer p,
.model-copy p,
.category-card p,
.feature-card p {
  line-height: 1.8;
  color: #4d5560;
  font-size: 1rem;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.news-panel,
.model-card,
.category-card,
.feature-card,
.engineering-card {
  background: white;
  border: 1px solid #d9dde4;
  box-shadow: var(--shadow);
}

.news-panel {
  padding: 26px;
}

.news-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--red);
}

.news-panel h3,
.model-copy h3,
.category-card h3,
.feature-card h3,
.engineering-card h3 {
  margin: 0;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.news-panel a {
  color: var(--red);
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.82rem;
}

.news-list,
.release-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-list li,
.release-list li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid #e4e7ec;
}

.news-list li:last-child,
.release-list li:last-child {
  border-bottom: 0;
}

.news-list span {
  color: var(--red);
  font-weight: 700;
  font-size: 0.92rem;
}

.news-list p,
.release-list p {
  margin: 0;
  line-height: 1.6;
}

.news-list a,
.release-list a {
  color: inherit;
  text-decoration: none;
}

.news-list a:hover,
.release-list a:hover {
  color: var(--red);
}

.release-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  background: #111318;
  color: white;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-title-split {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.inline-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  background: #111318;
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.inline-action:hover {
  background: var(--red);
}

.model-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 18px;
}

.model-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-link {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  height: 100%;
}

.card-link:hover .model-copy {
  background: #f7f8fa;
}

.model-card-large {
  grid-row: span 2;
}

.model-card img {
  width: 100%;
  height: 260px;
  min-height: 250px;
  max-height: 340px;
  object-fit: cover;
  flex-shrink: 0;
}

.model-card-large img {
  max-height: 420px;
  min-height: 320px;
  height: 100%;
}

.model-copy {
  padding: 22px;
  border-top: 4px solid var(--red);
  flex: 1 1 auto;
}

.model-copy h3 {
  overflow-wrap: anywhere;
}

.model-copy p {
  margin-bottom: 0;
  overflow-wrap: anywhere;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.category-card {
  padding: 24px;
}

.category-index {
  margin-bottom: 18px;
  color: var(--red);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.feature-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  align-items: stretch;
}

.feature-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card div {
  padding: 24px;
}

.team-story {
  background:
    linear-gradient(90deg, rgba(216, 0, 29, 0.94) 0, rgba(216, 0, 29, 0.94) 34%, #121418 34%, #121418 100%);
  color: white;
}

.team-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
}

.team-heading {
  padding-right: 20px;
}

.team-copy p {
  color: #d5d9de;
  margin: 0 0 18px;
}

.engineering-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.engineering-card {
  padding: 24px;
  border-top: 4px solid var(--red);
}

.site-footer {
  background: #0f1114;
  color: white;
  padding: 46px 0;
  border-top: 4px solid var(--red);
}

.site-footer p {
  color: #c8ced6;
  max-width: 760px;
}

.site-footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

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

.footer-button-primary {
  background: var(--red);
  color: white;
}

.footer-button-secondary {
  background: transparent;
  border: 1px solid #48515d;
  color: white;
}

.footer-button-secondary:hover {
  border-color: white;
}

.product-page {
  background: #eef1f5;
}

.product-main {
  width: min(calc(100% - 36px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.product-breadcrumb {
  margin-bottom: 18px;
  color: #5b6470;
  font-size: 0.9rem;
}

.product-breadcrumb a {
  color: var(--red);
  text-decoration: none;
}

.product-hero {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
  margin-bottom: 18px;
}

.product-hero-copy,
.product-hero-media,
.detail-card {
  background: white;
  border: 1px solid #d9dde4;
  box-shadow: var(--shadow);
}

.product-hero-copy {
  padding: 30px;
  border-top: 5px solid var(--red);
}

.product-hero-copy h1 {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 4rem);
  line-height: 1;
  text-transform: uppercase;
}

.product-lead {
  margin: 18px 0 0;
  color: #46505b;
  font-size: 1.04rem;
  line-height: 1.8;
}

.product-hero-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.spec-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  background: #111318;
  color: white;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.detail-card {
  padding: 26px;
  border-top: 4px solid var(--red);
}

.detail-card h2 {
  margin: 0 0 14px;
  font-size: 1.3rem;
  text-transform: uppercase;
}

.detail-card p,
.detail-list {
  margin: 0;
  color: #4d5560;
  line-height: 1.8;
}

.detail-list {
  padding-left: 18px;
}

.detail-list li + li {
  margin-top: 10px;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.product-gallery img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  background: white;
  border: 1px solid #d9dde4;
  box-shadow: var(--shadow);
}

.catalog-page,
.contact-page {
  background: #eef1f5;
}

.catalog-main,
.contact-main {
  width: min(calc(100% - 36px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.catalog-hero,
.contact-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.catalog-hero h1,
.contact-hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 4rem);
  text-transform: uppercase;
  line-height: 1;
}

.catalog-hero p,
.contact-hero p {
  color: #4d5560;
  line-height: 1.8;
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.filter-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid #cfd5de;
  background: white;
  color: #1e232b;
  font: inherit;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.catalog-card {
  overflow: hidden;
  background: white;
  border: 1px solid #d9dde4;
  box-shadow: var(--shadow);
}

.catalog-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.catalog-card-copy {
  padding: 22px;
  border-top: 4px solid var(--red);
}

.catalog-card-copy h2 {
  margin: 14px 0 10px;
  font-size: 1.25rem;
  text-transform: uppercase;
}

.catalog-card-copy p {
  margin: 0;
  color: #4d5560;
  line-height: 1.7;
}

.catalog-card-copy a {
  display: inline-flex;
  margin-top: 16px;
  color: var(--red);
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.06em;
}

.catalog-card-copy a:hover {
  color: var(--red-dark);
}

.contact-side-card,
.form-shell {
  background: white;
  border: 1px solid #d9dde4;
  box-shadow: var(--shadow);
}

.contact-side-card {
  padding: 24px;
  width: min(100%, 360px);
  border-top: 4px solid var(--red);
}

.contact-side-card h2 {
  margin: 0 0 14px;
  font-size: 1.3rem;
  text-transform: uppercase;
}

.form-shell {
  padding: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-grid label {
  display: grid;
  gap: 10px;
}

.form-grid label.full {
  grid-column: 1 / -1;
}

.form-grid span {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  border: 1px solid #ccd3dc;
  background: #f7f9fb;
  padding: 14px 14px;
  font: inherit;
  color: #1e232b;
}

.form-grid textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

@media (max-width: 1280px) {
  .hero-portal {
    grid-template-columns: 1.2fr 0.8fr;
    grid-template-rows: minmax(280px, 420px) minmax(220px, 260px);
  }

  .hero-copy {
    padding: 28px;
  }

  .model-grid,
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .hero-portal,
  .news-grid,
  .model-grid,
  .category-grid,
  .feature-strip,
  .team-layout,
  .engineering-grid,
  .site-footer-inner,
  .product-hero,
  .product-content-grid,
  .product-gallery,
  .catalog-grid,
  .catalog-hero,
  .contact-hero {
    grid-template-columns: 1fr;
  }

  .hero-portal {
    display: grid;
    grid-template-rows: auto;
    gap: 12px;
  }

  .hero-slide-primary {
    grid-row: auto;
  }

  .model-card-large {
    grid-row: auto;
  }

  .feature-card {
    grid-template-columns: 1fr;
  }

  .feature-card img {
    height: 240px;
  }

  .team-story {
    background:
      linear-gradient(180deg, rgba(216, 0, 29, 0.94) 0, rgba(216, 0, 29, 0.94) 24%, #121418 24%, #121418 100%);
  }

  .site-footer-inner {
    display: grid;
  }

  .contact-side-card {
    width: auto;
  }

  .primary-nav {
    width: 100%;
    order: 3;
    gap: 16px 18px;
  }

  .lang-switch {
    order: 2;
  }
}

@media (max-width: 760px) {
  .utility-inner,
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
  }

  .primary-nav,
  .utility-links {
    gap: 14px;
  }

  .utility-inner {
    min-height: auto;
    padding: 10px 0;
    gap: 10px;
  }

  .utility-inner p {
    line-height: 1.5;
    font-size: 0.76rem;
  }

  .site-header {
    position: static;
  }

  .site-header-inner {
    gap: 12px;
    min-height: auto;
  }

  .logo-link img {
    width: 142px;
  }

  .primary-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
  }

  .primary-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 10px;
    background: #f7f8fa;
    border: 1px solid #d7dbe1;
    border-radius: 2px;
  }

  .lang-switch {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
    font-size: 0.8rem;
  }

  .hero-portal {
    width: min(calc(100% - 24px), var(--max-width));
    margin-top: 12px;
    gap: 10px;
  }

  .hero-copy {
    padding: 18px;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 10vw, 3rem);
    line-height: 1.02;
  }

  .hero-text {
    font-size: 0.94rem;
    line-height: 1.6;
  }

  .hero-button,
  .footer-button,
  .inline-action {
    width: 100%;
    justify-content: center;
  }

  .hero-button,
  .footer-button {
    min-height: 44px;
  }

  .hero-slide img {
    min-height: 260px;
  }

  .hero-slide-secondary img,
  .hero-slide-tertiary img {
    min-height: 180px;
  }

  .hero-label {
    padding: 16px;
  }

  .hero-label strong {
    font-size: 1.05rem;
  }

  .section {
    width: min(calc(100% - 24px), var(--max-width));
    padding: 34px 0;
  }

  .product-main {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .catalog-main,
  .contact-main {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .section-title,
  .section-title-split {
    margin-bottom: 16px;
  }

  .section-title h2,
  .team-heading h2,
  .site-footer h2,
  .catalog-hero h1,
  .contact-hero h1 {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
    line-height: 1.04;
  }

  .section-title p,
  .team-copy p,
  .engineering-card p,
  .site-footer p,
  .model-copy p,
  .category-card p,
  .feature-card p,
  .catalog-hero p,
  .contact-hero p,
  .detail-card p,
  .detail-list,
  .product-lead {
    font-size: 0.94rem;
    line-height: 1.65;
  }

  .news-list li,
  .release-list li {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px 0;
  }

  .news-panel,
  .category-card,
  .feature-card div,
  .engineering-card,
  .catalog-card-copy,
  .contact-side-card,
  .form-shell,
  .product-hero-copy,
  .detail-card,
  .model-copy {
    padding: 18px;
  }

  .news-panel header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 12px;
  }

  .model-grid,
  .category-grid,
  .feature-strip,
  .engineering-grid,
  .catalog-grid,
  .product-content-grid,
  .product-gallery {
    gap: 12px;
  }

  .utility-links {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .utility-links a {
    color: #dfe4ea;
  }

  .model-card img,
  .catalog-card img {
    height: 200px;
    min-height: 200px;
    max-height: none;
  }

  .model-card-large img {
    min-height: 220px;
    max-height: none;
  }

  .category-index {
    margin-bottom: 12px;
    font-size: 1.6rem;
  }

  .feature-card img {
    height: 180px;
  }

  .team-story {
    background:
      linear-gradient(180deg, rgba(216, 0, 29, 0.94) 0, rgba(216, 0, 29, 0.94) 18%, #121418 18%, #121418 100%);
  }

  .team-layout {
    gap: 18px;
  }

  .catalog-filters {
    gap: 8px;
    margin-bottom: 14px;
  }

  .filter-button {
    flex: 1 1 calc(50% - 8px);
    min-height: 38px;
    padding: 0 10px;
    font-size: 0.74rem;
  }

  .catalog-card-copy h2,
  .news-panel h3,
  .model-copy h3,
  .category-card h3,
  .feature-card h3,
  .engineering-card h3,
  .detail-card h2,
  .contact-side-card h2 {
    font-size: 1.08rem;
    line-height: 1.25;
  }

  .release-tag {
    min-height: 26px;
    padding: 0 8px;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
  }

  .product-breadcrumb {
    margin-bottom: 12px;
    font-size: 0.78rem;
    line-height: 1.5;
    word-break: break-word;
  }

  .product-hero {
    gap: 12px;
    margin-bottom: 12px;
  }

  .product-hero-copy h1 {
    font-size: clamp(1.9rem, 9vw, 2.7rem);
    line-height: 1.04;
  }

  .spec-chips {
    gap: 8px;
    margin-top: 16px;
  }

  .spec-chips span {
    min-height: 30px;
    font-size: 0.68rem;
    padding: 0 10px;
    letter-spacing: 0.04em;
  }

  .product-hero-media img,
  .product-gallery img {
    min-height: 220px;
    height: 220px;
  }

  .form-shell {
    padding: 18px;
  }

  .form-grid {
    gap: 14px;
  }

  .form-grid span {
    font-size: 0.76rem;
  }

  .form-grid input,
  .form-grid select,
  .form-grid textarea {
    padding: 12px;
    font-size: 16px;
  }

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

  .form-actions,
  .footer-actions {
    width: 100%;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .utility-inner,
  .section,
  .product-main,
  .catalog-main,
  .contact-main,
  .hero-portal {
    width: min(calc(100% - 16px), var(--max-width));
  }

  .primary-nav {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 16px;
  }

  .hero-slide img {
    min-height: 220px;
  }

  .hero-copy,
  .news-panel,
  .category-card,
  .feature-card div,
  .engineering-card,
  .catalog-card-copy,
  .contact-side-card,
  .form-shell,
  .product-hero-copy,
  .detail-card,
  .model-copy {
    padding: 16px;
  }

  .hero-copy h1,
  .section-title h2,
  .team-heading h2,
  .site-footer h2,
  .catalog-hero h1,
  .contact-hero h1,
  .product-hero-copy h1 {
    font-size: clamp(1.55rem, 8vw, 2.1rem);
  }

  .hero-slide-secondary img,
  .hero-slide-tertiary img,
  .model-card img,
  .catalog-card img,
  .feature-card img,
  .product-hero-media img,
  .product-gallery img {
    height: 180px;
    min-height: 180px;
  }

  .filter-button {
    flex-basis: 100%;
  }

  .spec-chips span {
    width: 100%;
    justify-content: center;
  }

  .news-list li,
  .release-list li {
    padding: 12px 0;
  }

  .catalog-card-copy a,
  .news-panel a {
    font-size: 0.76rem;
  }
}