:root {
  --ink: #111318;
  --muted: #5d6675;
  --line: #d9dee7;
  --panel: #f4f6f8;
  --brand: #0a3d91;
  --brand-dark: #082c68;
  --accent: #c83232;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(8, 20, 40, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(217, 222, 231, 0.8);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  font-weight: 800;
  background: var(--brand);
}

.brand-logo {
  width: 118px;
  height: 38px;
  object-fit: contain;
  background: #000;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 22px;
  color: #263244;
  font-size: 14px;
  white-space: nowrap;
}

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

.nav a:hover {
  border-color: var(--accent);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--panel);
}

.lang-switch button {
  min-width: 42px;
  height: 34px;
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

.lang-switch button.active {
  color: var(--white);
  background: var(--brand);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 12, 22, 0.8), rgba(6, 12, 22, 0.35) 52%, rgba(6, 12, 22, 0.08));
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 36px));
  margin: 0 0 clamp(48px, 8vw, 96px) clamp(18px, 6vw, 76px);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffdf66;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.18;
}

.hero-content p:not(.eyebrow) {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 19px;
}

.hero-actions,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.btn.primary {
  color: var(--white);
  background: var(--accent);
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.08);
}

.btn.outline {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--white);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--brand-dark);
  color: var(--white);
}

.trust-strip div {
  padding: 24px clamp(16px, 3vw, 36px);
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.trust-strip strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.trust-strip span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.section {
  padding: clamp(62px, 8vw, 108px) clamp(18px, 5vw, 70px);
}

.section-head {
  max-width: 900px;
  margin-bottom: 36px;
}

.section-head p:not(.eyebrow) {
  max-width: 780px;
  color: var(--muted);
  font-size: 18px;
}

.section-head.compact {
  max-width: 760px;
}

.category-grid,
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.category-grid article,
.capability-grid div {
  min-height: 185px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--white);
}

.category-grid article span {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.category-grid p,
.capability-grid p {
  margin: 0;
  color: var(--muted);
}

.product-table-wrap {
  margin-top: 28px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.product-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 15px;
}

.product-table th,
.product-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.product-table th {
  color: var(--white);
  background: var(--brand);
}

.product-table tr:nth-child(even) td {
  background: #f8f9fb;
}

.feature-band {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 74px);
  align-items: center;
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 70px);
  background: var(--panel);
}

.feature-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.feature-band img,
.factory-section img {
  width: 100%;
  box-shadow: var(--shadow);
}

.tag-list span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: #263244;
  background: var(--white);
  font-weight: 700;
  font-size: 13px;
}

.factory-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(62px, 8vw, 108px) clamp(18px, 5vw, 70px);
}

.factory-section p:not(.eyebrow) {
  max-width: 660px;
  color: var(--muted);
  font-size: 18px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 28px 0 0;
}

.stats div {
  padding: 18px;
  background: var(--panel);
}

.stats dt {
  color: var(--brand);
  font-size: 28px;
  font-weight: 900;
}

.stats dd {
  margin: 4px 0 0;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 5vw, 74px);
  padding: clamp(62px, 8vw, 108px) clamp(18px, 5vw, 70px);
  color: var(--white);
  background: #10141c;
}

.contact-section p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.contact-card {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.contact-card h3 {
  margin: 4px 0 2px;
  color: var(--white);
  font-size: 28px;
}

.contact-card p {
  margin: 0;
}

.contact-label {
  color: #ffdf66 !important;
  font-size: 12px !important;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-card dl {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.contact-card dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.contact-card dt {
  color: rgba(255, 255, 255, 0.62);
  font-weight: 800;
}

.contact-card dd {
  margin: 0;
  color: var(--white);
  font-weight: 800;
}

.contact-card a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: transparent;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.inquiry-form select option {
  color: var(--ink);
}

.wide {
  grid-column: 1 / -1;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 70px);
  color: rgba(255, 255, 255, 0.72);
  background: #080b10;
}

footer strong {
  color: var(--white);
}

.catalog-hero {
  padding: clamp(64px, 9vw, 118px) clamp(18px, 5vw, 70px) clamp(42px, 6vw, 74px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8, 15, 28, 0.88), rgba(8, 15, 28, 0.58)),
    url("assets/scooter-side-top-case.jpg") center / cover;
}

.catalog-hero > div {
  max-width: 860px;
}

.catalog-hero p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 24px;
  padding: clamp(34px, 5vw, 70px) clamp(18px, 5vw, 70px) clamp(62px, 8vw, 108px);
}

.filters {
  position: sticky;
  top: 102px;
  align-self: start;
  display: grid;
  gap: 8px;
}

.filter {
  min-height: 42px;
  border: 1px solid var(--line);
  color: #263244;
  background: var(--white);
  cursor: pointer;
  font-weight: 800;
  text-align: left;
  padding: 0 14px;
}

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

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

.catalog-card {
  display: grid;
  border: 1px solid var(--line);
  background: var(--white);
  min-width: 0;
}

.catalog-image {
  display: block;
  aspect-ratio: 4 / 3;
  background: var(--panel);
  overflow: hidden;
}

.catalog-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.25s ease;
}

.catalog-card:hover .catalog-image img {
  transform: scale(1.04);
}

.catalog-card-body {
  padding: 18px;
}

.catalog-series {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.catalog-card h2 {
  margin: 0;
  font-size: 26px;
}

.catalog-card h3 {
  margin: 6px 0 14px;
  color: #263244;
  font-size: 16px;
  font-weight: 700;
}

.catalog-card dl {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
}

.catalog-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.catalog-card dt {
  color: var(--muted);
}

.catalog-card dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
}

.text-link {
  color: var(--accent);
  font-weight: 900;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(42px, 7vw, 92px) clamp(18px, 5vw, 70px);
  align-items: start;
}

.detail-media {
  background: var(--panel);
  border: 1px solid var(--line);
}

.detail-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  padding: 24px;
}

.detail-main-image {
  display: block;
}

.detail-thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  padding: 0 12px 12px;
}

.detail-thumbs button {
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
}

.detail-thumbs button.active {
  border-color: var(--brand);
  box-shadow: inset 0 0 0 2px var(--brand);
}

.detail-thumbs img {
  display: block;
  aspect-ratio: 1 / 1;
  padding: 6px;
}

.detail-copy h1 {
  color: var(--brand);
  font-size: clamp(44px, 6vw, 76px);
}

.detail-copy h2 {
  margin-top: 8px;
  font-size: clamp(24px, 3vw, 36px);
}

.detail-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
}

.spec-table th,
.spec-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.spec-table th {
  width: 34%;
  color: var(--white);
  background: var(--brand);
}

.option-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.option-list span {
  border: 1px solid var(--line);
  padding: 8px 12px;
  color: #263244;
  background: var(--panel);
  font-weight: 800;
}

.detail-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.detail-highlights div {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
}

.detail-highlights strong,
.detail-highlights span {
  display: block;
}

.detail-highlights strong {
  color: var(--ink);
  font-size: 14px;
}

.detail-highlights span {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.55;
}

.detail-story {
  padding-top: 0;
}

.detail-story-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.detail-story-grid img {
  width: 100%;
  min-height: 180px;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--white);
}

.catalog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -4px 0 14px;
}

.catalog-meta span {
  border: 1px solid var(--line);
  padding: 5px 8px;
  color: #475569;
  background: var(--panel);
  font-size: 12px;
  font-weight: 800;
}

.related-section {
  padding-top: 0;
}

.compact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.catalog-card.small .catalog-card-body dl,
.catalog-card.small .text-link {
  display: none;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    grid-column: 1 / -1;
    order: 3;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .trust-strip,
  .category-grid,
  .capability-grid,
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-band,
  .factory-section,
  .contact-section,
  .catalog-layout,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .filters {
    position: static;
    grid-template-columns: repeat(3, 1fr);
  }

  .detail-story-grid,
  .detail-highlights {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .site-header {
    gap: 12px;
    padding: 10px 14px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    margin-left: 18px;
    margin-bottom: 46px;
  }

  .hero-content p:not(.eyebrow),
  .section-head p:not(.eyebrow),
  .feature-copy p:not(.eyebrow),
  .factory-section p:not(.eyebrow),
  .contact-section p:not(.eyebrow) {
    font-size: 16px;
  }

  .trust-strip,
  .category-grid,
  .capability-grid,
  .stats,
  .inquiry-form,
  .filters,
  .product-grid,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  footer {
    display: grid;
  }
}