/* UWL Surfboards China — self-hosted, mobile-first, no external dependency */
@font-face {
  font-family: "UWL Marker";
  src: url("images/tugirlsparow.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400 900;
}

:root {
  --accent: #1fbbb8;
  --accent-dark: #159794;
  --accent-ink: #0c2423;
  --paper: #f1ede1;
  --paper-deep: #e7e0ce;
  --ink: #16150f;
  --ink-soft: #27251c;
  --muted: #6f6a5a;
  --line: #d9d1bd;
  --white: #fffdf7;

  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC",
    "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-latin: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-marker: "UWL Marker", "Arial Black", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 64px);
  --section-space: clamp(88px, 12vw, 168px);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-decisive: cubic-bezier(0.7, 0, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    repeating-linear-gradient(90deg, rgb(22 21 15 / 0.012) 0 1px, transparent 1px 5px),
    var(--paper);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

img,
video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  widows: 3;
  orphans: 3;
}

address {
  font-style: normal;
}

::selection {
  color: var(--accent-ink);
  background: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--accent);
  transform: translateY(-160%);
  transition: transform 180ms var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

.section--ink {
  color: var(--white);
  background:
    linear-gradient(125deg, rgb(255 255 255 / 0.025), transparent 42%),
    var(--ink);
}

.section--accent {
  color: var(--accent-ink);
  background: var(--accent);
}

.kicker {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kicker::before {
  width: 24px;
  height: 2px;
  content: "";
  background: currentColor;
}

.kicker--light {
  color: var(--accent);
}

.section-heading {
  margin-bottom: clamp(48px, 7vw, 88px);
}

.section-heading h2,
.master h2,
.china h2,
.contact h2 {
  max-width: 940px;
  margin-bottom: 0;
  font-size: clamp(2.35rem, 8vw, 5.7rem);
  font-weight: 750;
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.section-intro {
  max-width: 610px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.7vw, 1.22rem);
  line-height: 1.85;
}

.button {
  min-height: 52px;
  display: inline-flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.2;
  transition:
    color 250ms var(--ease),
    background-color 250ms var(--ease),
    border-color 250ms var(--ease),
    transform 250ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
}

.button--accent {
  color: var(--accent-ink);
  background: var(--accent);
}

.button--accent:hover {
  background: #37ccc8;
}

.button--ink {
  color: var(--white);
  background: var(--ink);
}

.button--ink:hover {
  color: var(--ink);
  background: var(--white);
}

.button--outline-light {
  color: var(--white);
  border-color: rgb(255 253 247 / 0.45);
}

.button--outline-light:hover {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.text-link {
  position: relative;
  display: inline-flex;
  gap: 12px;
  align-items: center;
  padding-bottom: 5px;
  font-size: 0.92rem;
  font-weight: 650;
}

.text-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0.28);
  transform-origin: left;
  transition: transform 300ms var(--ease-decisive);
}

.text-link:hover::after {
  transform: scaleX(1);
}

.text-link--light {
  color: var(--white);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  color: var(--white);
  transition:
    color 280ms var(--ease),
    background-color 280ms var(--ease),
    transform 280ms var(--ease);
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgb(241 237 225 / 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.topline {
  min-height: 32px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 6px var(--gutter);
  color: var(--white);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topline__date {
  color: var(--accent);
}

.nav-shell {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--gutter);
}

.brand {
  position: relative;
  z-index: 102;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
}

.brand picture,
.brand img {
  width: 100%;
  height: 100%;
  display: block;
}

.brand__anniversary {
  object-fit: contain;
  filter: invert(1);
  transition: filter 280ms var(--ease);
}

.site-header.is-scrolled .brand__anniversary {
  filter: none;
}

body.nav-open .brand__anniversary {
  filter: invert(1);
}

.menu-toggle {
  position: relative;
  z-index: 102;
  min-width: 62px;
  min-height: 44px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
}

.menu-toggle__label {
  font-size: 0.76rem;
  font-weight: 700;
}

.menu-toggle__icon {
  width: 24px;
  display: grid;
  gap: 7px;
}

.menu-toggle__icon i {
  width: 100%;
  height: 1px;
  display: block;
  background: currentColor;
  transition: transform 250ms var(--ease);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  inset: 0;
  z-index: 101;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 104px var(--gutter) 48px;
  color: var(--white);
  background: var(--ink);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-16px);
  transition:
    opacity 280ms var(--ease),
    transform 280ms var(--ease),
    visibility 280ms;
}

.site-nav.is-open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.site-nav > a {
  width: 100%;
  padding: 13px 0;
  border-bottom: 1px solid rgb(255 255 255 / 0.15);
  font-size: clamp(1.5rem, 7vw, 2.3rem);
  font-weight: 700;
  line-height: 1.25;
}

.site-nav .nav-cta {
  margin-top: 22px;
  padding: 15px 18px;
  color: var(--accent-ink);
  background: var(--accent);
  border-bottom: 0;
  font-size: 1rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: max(720px, 100svh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero__media,
.hero__shade {
  position: absolute;
  inset: 0;
}

.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
}

.hero__media video {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 700ms var(--ease);
}

.hero__media video.is-ready {
  opacity: 1;
}

.hero__shade {
  background:
    linear-gradient(180deg, rgb(7 13 15 / 0.3) 0%, rgb(8 13 15 / 0.26) 24%, rgb(8 13 15 / 0.88) 100%),
    linear-gradient(90deg, rgb(4 12 14 / 0.55), transparent 72%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 150px;
  padding-bottom: 164px;
}

.hero h1 {
  max-width: 980px;
  margin-bottom: 18px;
  font-size: clamp(3.15rem, 12.5vw, 8.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.065em;
}

.hero h1 span {
  display: block;
  color: var(--accent);
}

.hero__since {
  margin-bottom: 26px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.hero__lead {
  max-width: 610px;
  margin-bottom: 34px;
  color: rgb(255 253 247 / 0.86);
  font-size: clamp(1rem, 2vw, 1.28rem);
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

.hero__proof {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  color: var(--accent-ink);
  background: var(--accent);
}

.proof-row {
  min-height: 78px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.proof-row span {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px 10px;
  border-right: 1px solid rgb(12 36 35 / 0.16);
  border-bottom: 1px solid rgb(12 36 35 / 0.16);
  font-size: 0.68rem;
  line-height: 1.35;
}

.proof-row span:nth-child(even) {
  border-right: 0;
}

.proof-row strong {
  font-family: var(--font-latin);
  font-size: 1.05rem;
  line-height: 1.1;
}

/* Heritage */
.heritage {
  background:
    radial-gradient(circle at 12% 20%, rgb(31 187 184 / 0.08), transparent 26%),
    transparent;
}

.heritage-image {
  position: relative;
  margin-bottom: clamp(48px, 7vw, 86px);
  overflow: hidden;
  background: var(--ink);
}

.heritage-image::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgb(10 10 7 / 0.78));
}

.heritage-image img {
  width: 100%;
  min-height: 340px;
  object-fit: cover;
}

.heritage-image figcaption {
  position: absolute;
  right: 18px;
  bottom: 14px;
  left: 18px;
  z-index: 1;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: space-between;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
}

.heritage-grid {
  display: grid;
  gap: 48px;
}

.heritage-copy {
  max-width: 700px;
}

.heritage-copy p {
  color: var(--muted);
}

.heritage-copy .lead-copy {
  color: var(--ink);
  font-size: clamp(1.25rem, 2.8vw, 2rem);
  font-weight: 650;
  line-height: 1.65;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.stats-grid div {
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-grid dt {
  font-family: var(--font-latin);
  font-size: clamp(2.1rem, 7vw, 4.7rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.stats-grid dd {
  color: var(--muted);
  font-size: 0.78rem;
}

.certifications {
  display: grid;
  margin-top: clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--line);
}

.certification {
  min-height: 116px;
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.certification__mark {
  width: 72px;
  height: 72px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: var(--accent-ink);
  background: var(--accent);
  font-family: var(--font-latin);
  font-size: 1.25rem;
  font-weight: 900;
}

.certification__mark--script {
  font-family: var(--font-marker);
  font-size: 2rem;
}

.certification strong,
.certification small {
  display: block;
}

.certification strong {
  margin-bottom: 3px;
  font-size: 1rem;
}

.certification small {
  color: var(--muted);
  font-size: 0.72rem;
}

/* Master shaper */
.master {
  overflow: hidden;
}

.master::before {
  position: absolute;
  top: -170px;
  right: -220px;
  width: 520px;
  height: 520px;
  content: "";
  border: 1px solid rgb(31 187 184 / 0.3);
  border-radius: 50%;
}

.master-grid {
  display: grid;
  gap: 58px;
}

.master-portrait {
  position: relative;
  margin: 0;
  border: 1px solid rgb(255 253 247 / 0.13);
}

.master-portrait::before {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 80px;
  height: 80px;
  content: "";
  background: var(--accent);
}

.master-portrait img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.master-portrait figcaption {
  display: flex;
  gap: 10px;
  flex-direction: column;
  padding: 18px;
  color: var(--accent);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.master-copy h2 {
  margin-bottom: 34px;
}

.master-copy > p:not(.kicker) {
  max-width: 680px;
  color: rgb(255 253 247 / 0.67);
}

.master-copy .master-copy__lead {
  color: var(--white);
  font-size: clamp(1.16rem, 2.1vw, 1.55rem);
  line-height: 1.7;
}

.worldline {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 40px 0;
  overflow: hidden;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  white-space: nowrap;
  letter-spacing: 0.09em;
}

.worldline i {
  width: clamp(8px, 3vw, 40px);
  height: 1px;
  display: block;
  flex: 0 1 auto;
  background: rgb(31 187 184 / 0.42);
}

.china-note {
  display: grid;
  gap: 18px;
  margin: 0 0 36px;
  padding: 22px;
  border: 1px solid rgb(31 187 184 / 0.34);
}

.china-note__flag {
  width: max-content;
  padding: 4px 8px;
  color: var(--accent-ink);
  background: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
}

.china-note p {
  margin: 0;
  color: var(--white);
  font-size: 0.9rem;
}

/* Boards */
.boards {
  background:
    linear-gradient(90deg, transparent 49.8%, rgb(22 21 15 / 0.035) 50%, transparent 50.2%),
    var(--paper);
}

.board-grid {
  display: grid;
  gap: 16px;
}

.board-card {
  min-width: 0;
  display: grid;
  background: rgb(255 253 247 / 0.56);
  border: 1px solid var(--line);
}

.board-card__visual {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 44px 30px 24px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgb(31 187 184 / 0.055), transparent 50%),
    var(--paper);
}

.board-card__visual img {
  width: auto;
  height: 390px;
  object-fit: contain;
  filter: drop-shadow(12px 18px 15px rgb(22 21 15 / 0.11));
  transition: transform 700ms var(--ease);
}

.board-card:hover .board-card__visual img {
  transform: scale(1.025);
}

.board-card__number {
  position: absolute;
  top: 16px;
  left: 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.board-card__badge {
  position: absolute;
  top: 0;
  right: 0;
  padding: 8px 10px;
  color: var(--accent-ink);
  background: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.board-card__body {
  padding: 26px 22px 28px;
  border-top: 1px solid var(--line);
}

.board-card__family {
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.board-card h3 {
  margin-bottom: 0;
  font-family: var(--font-marker);
  font-size: clamp(2.1rem, 8vw, 3.6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.board-card__cn {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.76rem;
}

.board-card__body > p:not(.board-card__family, .board-card__cn, .board-card__price) {
  color: var(--muted);
  font-size: 0.9rem;
}

.board-card__price {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-latin);
  font-size: 1.28rem;
  font-weight: 800;
}

.board-card__price span,
.board-card__price small {
  font-family: var(--font-cn);
  font-weight: 500;
}

.board-card__price span {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 0.66rem;
}

.board-card__price small {
  margin-left: 6px;
  color: var(--accent-dark);
  font-size: 0.72rem;
}

.price-note {
  max-width: 800px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

/* Complete UWL catalog */
.catalog-jump {
  display: grid;
  gap: 1px;
  margin-bottom: clamp(40px, 6vw, 76px);
  background: var(--line);
  border: 1px solid var(--line);
}

.catalog-jump a {
  min-height: 72px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  background: var(--paper);
  font-size: 0.92rem;
  font-weight: 700;
  transition:
    color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.catalog-jump span,
.catalog-jump small {
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.catalog-jump small {
  color: var(--muted);
}

.catalog-statement {
  position: relative;
  min-height: clamp(380px, 65vw, 650px);
  margin: 0;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.catalog-statement::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgb(7 8 7 / 0.08) 25%, rgb(7 8 7 / 0.78) 100%),
    linear-gradient(90deg, rgb(7 8 7 / 0.3), transparent 70%);
}

.catalog-statement img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.catalog-statement figcaption {
  position: absolute;
  right: clamp(20px, 5vw, 68px);
  bottom: clamp(22px, 5vw, 60px);
  left: clamp(20px, 5vw, 68px);
  z-index: 1;
}

.catalog-statement span,
.catalog-statement strong {
  display: block;
}

.catalog-statement span {
  margin-bottom: 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
}

.catalog-statement strong {
  max-width: 760px;
  font-size: clamp(1.8rem, 5vw, 4.2rem);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.model-family {
  padding-top: clamp(92px, 11vw, 150px);
  scroll-margin-top: 96px;
}

.model-family__header {
  display: grid;
  gap: 30px;
  align-items: stretch;
  margin-bottom: clamp(34px, 5vw, 62px);
  padding-top: 28px;
  border-top: 2px solid var(--ink);
}

.model-family__copy {
  align-self: end;
}

.model-family__copy .kicker {
  margin-bottom: 18px;
}

.model-family__copy h3 {
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 8vw, 6.2rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.model-family__copy > p:last-child {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.model-family__action {
  position: relative;
  min-height: 280px;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}

.model-family__action::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 50%, rgb(8 11 10 / 0.68));
}

.model-family__action img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.model-family__action figcaption {
  position: absolute;
  right: 16px;
  bottom: 14px;
  left: 16px;
  z-index: 1;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.11em;
}

.model-grid {
  display: grid;
  gap: 12px;
}

.model-card {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(112px, 0.36fr) minmax(0, 0.64fr);
  overflow: hidden;
  background: rgb(255 253 247 / 0.62);
  border: 1px solid var(--line);
  transition:
    border-color 240ms var(--ease),
    transform 240ms var(--ease);
}

.model-card__visual {
  position: relative;
  min-height: 278px;
  display: grid;
  place-items: center;
  padding: 34px 12px 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, rgb(31 187 184 / 0.13), transparent 58%),
    var(--paper);
  border-right: 1px solid var(--line);
}

.model-card__visual > span {
  position: absolute;
  top: 11px;
  left: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.model-card__visual img {
  width: auto;
  height: 225px;
  object-fit: contain;
  filter: drop-shadow(8px 13px 10px rgb(22 21 15 / 0.13));
  transition: transform 600ms var(--ease);
}

.model-card__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
}

.model-card__type {
  margin-bottom: 7px;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.model-card h4 {
  margin: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-marker);
  font-size: clamp(1.75rem, 7vw, 3rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.025em;
}

.model-card__cn {
  margin: 6px 0 13px;
  color: var(--muted);
  font-size: 0.72rem;
}

.model-card__body > p:not(.model-card__type, .model-card__cn, .model-card__price) {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.65;
}

.model-card__price {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-latin);
  font-size: 1.1rem;
  font-weight: 800;
}

.model-card__price span,
.model-card__price small {
  font-family: var(--font-cn);
  font-weight: 500;
}

.model-card__price span {
  display: block;
  color: var(--muted);
  font-size: 0.62rem;
}

.model-card__price small {
  margin-left: 4px;
  color: var(--accent-dark);
  font-size: 0.66rem;
}

.model-card:hover {
  border-color: rgb(21 151 148 / 0.72);
  transform: translateY(-3px);
}

.model-card:hover .model-card__visual img {
  transform: scale(1.035);
}

@media (min-width: 620px) {
  .catalog-jump {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-jump a:hover {
    color: var(--accent-ink);
    background: var(--accent);
  }

  .catalog-jump a:hover span,
  .catalog-jump a:hover small {
    color: inherit;
  }

  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .model-card {
    display: block;
  }

  .model-card__visual {
    min-height: 350px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .model-card__visual img {
    height: 312px;
  }

  .model-card__body {
    min-height: 300px;
    padding: 24px 22px 26px;
  }

  .model-card h4 {
    font-size: clamp(2.15rem, 6vw, 3.35rem);
  }

  .model-card__body > p:not(.model-card__type, .model-card__cn, .model-card__price) {
    font-size: 0.86rem;
  }
}

@media (min-width: 900px) {
  .model-family__header {
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    gap: clamp(54px, 8vw, 120px);
  }

  .model-family__action,
  .model-family__action img {
    min-height: 340px;
  }

  .model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .model-card__visual {
    min-height: 390px;
  }

  .model-card__visual img {
    height: 350px;
  }

  .model-card__body {
    min-height: 306px;
    padding: 26px 24px 28px;
  }
}

@media (min-width: 1180px) {
  .model-card__visual {
    min-height: 420px;
  }

  .model-card__visual img {
    height: 378px;
  }

  .model-card__body {
    min-height: 298px;
  }
}

/* Technology */
.technology {
  padding-bottom: 0;
  background: var(--white);
}

.technology-layout {
  display: grid;
  gap: 50px;
  padding-bottom: var(--section-space);
}

.technology-photo {
  margin: 0;
}

.technology-photo img {
  width: 100%;
  max-height: 760px;
  object-fit: cover;
}

.technology-photo figcaption {
  padding: 12px 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
}

.technology-list {
  border-top: 1px solid var(--line);
}

.technology-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.technology-item > span,
.technology-item > small {
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.technology-item h3 {
  margin-bottom: 7px;
  font-family: var(--font-latin);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.technology-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.technology-item > small {
  display: none;
  align-self: center;
  text-align: right;
}

.process {
  padding-block: clamp(70px, 10vw, 120px);
  color: var(--white);
  background:
    linear-gradient(110deg, rgb(31 187 184 / 0.14), transparent 40%),
    var(--ink);
}

.process-grid {
  display: grid;
  gap: 0;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgb(255 253 247 / 0.18);
}

.process-grid li {
  padding: 28px 0;
  border-bottom: 1px solid rgb(255 253 247 / 0.18);
}

.process-grid li > span {
  display: block;
  margin-bottom: 24px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.process-grid h3 {
  margin-bottom: 10px;
  font-family: var(--font-latin);
  font-size: 1.25rem;
}

.process-grid p {
  margin-bottom: 0;
  color: rgb(255 253 247 / 0.62);
  font-size: 0.84rem;
}

/* China events and form */
.china {
  overflow: hidden;
}

.china::after {
  position: absolute;
  right: -160px;
  bottom: -220px;
  width: 480px;
  height: 480px;
  content: "";
  border: 1px solid rgb(12 36 35 / 0.18);
  border-radius: 50%;
}

.china-heading {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  margin-bottom: clamp(50px, 8vw, 90px);
}

.china h2 {
  color: var(--accent-ink);
}

.china .kicker {
  color: var(--accent-ink);
}

.china-heading__copy {
  max-width: 600px;
  margin-bottom: 0;
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.meeting-panel {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
  margin-top: 16px;
  padding: clamp(28px, 5vw, 58px);
  color: var(--white);
  background: var(--accent-ink);
}

.meeting-panel__copy h3 {
  margin-bottom: 16px;
  font-size: clamp(1.65rem, 4.6vw, 2.7rem);
  line-height: 1.25;
}

.meeting-panel__copy > p:not(.kicker) {
  color: rgb(255 253 247 / 0.66);
}

.contact-form {
  min-width: 0;
}

.form-row {
  display: grid;
  gap: 20px;
}

.field {
  margin-bottom: 22px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  color: rgb(255 253 247 / 0.72);
  font-size: 0.76rem;
}

.field input,
.field textarea {
  width: 100%;
  padding: 11px 0;
  color: var(--white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgb(255 253 247 / 0.3);
  border-radius: 0;
  outline: 0;
  transition: border-color 180ms var(--ease);
}

.field textarea {
  min-height: 124px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 1px 0 var(--accent);
}

.field input:user-invalid,
.field textarea:user-invalid {
  border-color: #ff9b8b;
}

.form-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.form-footer p {
  max-width: 330px;
  margin: 0;
  color: rgb(255 253 247 / 0.46);
  font-size: 0.67rem;
}

.form-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-footer a:hover,
.form-footer a:focus-visible {
  color: var(--white);
}

.form-status {
  min-height: 1.8em;
  margin: 18px 0 0;
  color: var(--accent);
  font-size: 0.78rem;
}

.contact-form.is-sending button {
  pointer-events: none;
  opacity: 0.65;
}

/* Contact */
.contact {
  border-top: 1px solid rgb(255 253 247 / 0.12);
}

.contact-grid {
  display: grid;
  gap: 56px;
}

.contact-copy h2 {
  margin-bottom: 32px;
  font-size: clamp(3.2rem, 14vw, 8.5rem);
}

.contact-copy__lead {
  max-width: 620px;
  color: rgb(255 253 247 / 0.66);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
  margin-top: 34px;
}

.contact-details {
  padding-top: 28px;
  border-top: 1px solid rgb(255 253 247 / 0.19);
}

.contact-details__label {
  margin-bottom: 24px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.contact-details > p {
  color: rgb(255 253 247 / 0.7);
}

.contact-details strong {
  color: var(--white);
}

.contact-details dl {
  margin-top: 32px;
}

.contact-details dl div {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgb(255 253 247 / 0.12);
}

.contact-details dt {
  color: rgb(255 253 247 / 0.42);
  font-size: 0.72rem;
}

.contact-details dd {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-latin);
  font-size: 0.88rem;
}

.contact-details a:hover {
  color: var(--accent);
}

.wechat-card {
  display: grid;
  grid-template-columns: minmax(160px, 200px) minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid rgb(255 253 247 / 0.19);
}

.wechat-card__qr {
  display: block;
  width: 100%;
  max-width: 200px;
  background: var(--white);
}

.wechat-card__qr img {
  display: block;
  width: 100%;
  height: auto;
}

.wechat-card__copy {
  min-width: 0;
}

.wechat-card p {
  margin-bottom: 4px;
  color: rgb(255 253 247 / 0.48);
  font-size: 0.72rem;
}

.wechat-card .wechat-card__title {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
}

.wechat-card__hint {
  overflow-wrap: anywhere;
}

@media (max-width: 380px) {
  .wechat-card {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.site-footer {
  color: rgb(255 253 247 / 0.5);
  background: #0d0c09;
  border-top: 1px solid rgb(255 253 247 / 0.1);
}

.footer-grid {
  min-height: 180px;
  display: grid;
  gap: 24px;
  align-content: center;
  padding-block: 38px;
}

.footer-brand {
  width: 96px;
}

.footer-flags {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgb(255 253 247 / 0.82);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.footer-flag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.footer-flag svg {
  width: 30px;
  height: 20px;
  flex: none;
  border: 1px solid rgb(255 253 247 / 0.24);
}

.footer-flags__bridge {
  color: var(--accent);
  font-size: 0.8rem;
}

.site-footer p {
  margin-bottom: 0;
  font-size: 0.72rem;
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 0.62rem !important;
  letter-spacing: 0.06em;
}

/* Progressive reveal; content stays visible when JS is unavailable */
.js .reveal {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition:
    opacity 680ms var(--ease),
    transform 680ms var(--ease);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (min-width: 620px) {
  .hero__actions,
  .contact-actions {
    flex-direction: row;
    align-items: center;
  }

  .proof-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .proof-row span {
    border-bottom: 0;
  }

  .proof-row span:nth-child(even) {
    border-right: 1px solid rgb(12 36 35 / 0.16);
  }

  .proof-row span:last-child {
    border-right: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .certifications {
    grid-template-columns: repeat(3, 1fr);
    border-left: 1px solid var(--line);
  }

  .certification {
    min-width: 0;
    padding: 24px 18px;
    border-right: 1px solid var(--line);
  }

  .board-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-card--feature {
    grid-column: span 2;
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  }

  .board-card--feature .board-card__body {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-footer {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .section-heading--split,
  .china-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: clamp(50px, 8vw, 120px);
    align-items: end;
  }

  .section-intro {
    margin-top: 0;
  }

  .heritage-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(560px, 1.1fr);
    gap: clamp(70px, 9vw, 140px);
    align-items: start;
  }

  .master-grid {
    grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(70px, 9vw, 150px);
    align-items: center;
  }

  .master-portrait {
    transform: translateY(30px);
  }

  .board-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .board-card {
    grid-column: span 3;
  }

  .board-card--feature {
    grid-column: span 6;
  }

  .board-card:last-child {
    grid-column: 2 / span 4;
  }

  .technology-layout {
    grid-template-columns: minmax(340px, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(70px, 8vw, 140px);
    align-items: start;
  }

  .technology-photo {
    position: sticky;
    top: 120px;
  }

  .technology-item {
    grid-template-columns: 42px minmax(0, 1fr) 126px;
    gap: 24px;
    align-items: start;
    padding: 30px 0;
  }

  .technology-item > small {
    display: block;
  }

  .process-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-left: 1px solid rgb(255 253 247 / 0.18);
  }

  .process-grid li {
    min-height: 300px;
    padding: 28px;
    border-right: 1px solid rgb(255 253 247 / 0.18);
  }

  .meeting-panel {
    grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(60px, 8vw, 120px);
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(290px, 0.75fr);
    gap: clamp(70px, 9vw, 140px);
  }

  .wechat-card {
    grid-column: 2;
  }

  .footer-grid {
    grid-template-columns: 140px 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .site-header {
    color: var(--white);
  }

  .topline {
    padding-inline: max(var(--gutter), calc((100vw - var(--container)) / 2));
  }

  .nav-shell {
    width: min(100% - (var(--gutter) * 2), var(--container));
    min-height: 76px;
    margin-inline: auto;
    padding-inline: 0;
  }

  .brand {
    width: 72px;
    height: 72px;
  }

  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    inset: auto;
    width: auto;
    display: flex;
    flex-direction: row;
    gap: clamp(18px, 2.4vw, 38px);
    align-items: center;
    justify-content: flex-end;
    padding: 0;
    color: inherit;
    background: transparent;
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: none;
  }

  .site-nav > a {
    width: auto;
    padding: 8px 0;
    border: 0;
    font-size: 0.77rem;
    font-weight: 650;
    transition: color 180ms var(--ease);
  }

  .site-nav > a:hover {
    color: var(--accent);
  }

  .site-nav .nav-cta {
    margin: 0;
    padding: 12px 16px;
    color: var(--accent-ink);
    background: var(--accent);
    font-size: 0.76rem;
  }

  .site-nav .nav-cta:hover {
    color: var(--accent-ink);
    background: #37ccc8;
  }

  .hero {
    min-height: max(760px, 100svh);
  }

  .hero__content {
    padding-bottom: 142px;
  }

  .hero__media img,
  .hero__media video {
    object-position: center 46%;
  }

  .proof-row span {
    flex-direction: row;
    gap: 8px;
    align-items: baseline;
    padding-inline: 22px;
    font-size: 0.72rem;
  }

  .proof-row strong {
    font-size: 1.45rem;
  }

  .certification {
    gap: 24px;
    padding-inline: 28px;
  }

  .board-card {
    grid-column: span 2;
  }

  .board-card--feature {
    grid-column: span 4;
    grid-row: span 2;
  }

  .board-card--feature .board-card__visual {
    min-height: 720px;
  }

  .board-card--feature .board-card__visual img {
    height: 650px;
  }

  .board-card:not(.board-card--feature) .board-card__visual {
    min-height: 390px;
  }

  .board-card:not(.board-card--feature) .board-card__visual img {
    height: 340px;
  }

  .board-card:last-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__media video {
    display: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #4f4b40;
    --line: #aaa18c;
  }

  .hero__shade {
    background: rgb(8 12 12 / 0.8);
  }
}
