:root {
  --bg: #ffffff;
  --ink: #050505;
  --muted: #5b5b5b;
  --line: #d8d8d8;
  --soft: #f3f3f1;
  --soft-2: #e9e9e6;
  --max: 1240px;
  --font-sans: "Avenir Next", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-condensed: "DIN Condensed", "Arial Narrow", "Avenir Next Condensed", "PingFang SC", sans-serif;
  --ease: cubic-bezier(0.19, 1, 0.22, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.28;
  background:
    linear-gradient(120deg, transparent 0 42%, rgba(5, 5, 5, 0.045) 48%, transparent 55%),
    repeating-linear-gradient(90deg, rgba(5, 5, 5, 0.025) 0 1px, transparent 1px 140px),
    linear-gradient(var(--bg), var(--bg));
  transform: translate3d(var(--page-drift, 0px), 0, 0);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.026;
  background:
    linear-gradient(90deg, transparent var(--cursor-x, 50%), rgba(5, 5, 5, 0.45), transparent calc(var(--cursor-x, 50%) + 1px)),
    linear-gradient(0deg, transparent var(--cursor-y, 50%), rgba(5, 5, 5, 0.45), transparent calc(var(--cursor-y, 50%) + 1px)),
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(5, 5, 5, 0.28) 6px);
  mix-blend-mode: multiply;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--ink);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
}

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

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  padding: 0 36px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(5, 5, 5, 0.08);
  backdrop-filter: blur(18px);
  transition:
    height 0.32s var(--ease),
    background 0.32s var(--ease),
    box-shadow 0.32s var(--ease),
    border-color 0.32s var(--ease);
}

body.is-scrolled .site-header {
  height: 64px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(5, 5, 5, 0.16);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.08);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
  text-transform: none;
}

.brand-pair {
  align-items: center;
}

.brand-token {
  display: inline-block;
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: 950;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
}

.brand-pair .brand-token {
  font-size: 21px;
}

.brand-divider {
  flex: 0 0 auto;
  width: 1px;
  height: 20px;
  background: var(--line);
}

.brand-logo {
  display: block;
  width: auto;
  height: 32px;
  max-width: 132px;
  object-fit: contain;
  transition: height 0.32s var(--ease), transform 0.32s var(--ease);
}

body.is-scrolled .site-header .brand-logo {
  height: 28px;
}

.brand-pair .brand-token-spect {
  font-size: 21px;
  font-weight: 950;
  transform: skewX(-7deg);
  transform-origin: right bottom;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  font-style: italic;
  line-height: 1;
}

.brand-word {
  font-size: 24px;
  font-style: italic;
  line-height: 1;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  color: var(--muted);
}

.desktop-nav a {
  position: relative;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease);
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s var(--ease);
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: var(--ink);
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-toggle {
  display: inline-grid;
  position: relative;
  place-items: center;
  min-width: 52px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  overflow: hidden;
}

.lang-toggle:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
}

.mobile-nav {
  position: fixed;
  inset: 74px 0 auto;
  z-index: 25;
  display: none;
  padding: 18px 24px 28px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.mobile-nav.is-open {
  display: grid;
  gap: 16px;
}

.mobile-nav a {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 700;
}

.mobile-nav a.is-active {
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 90svh;
  padding: 132px 36px 78px;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 74px 0 0;
  opacity: 0.7;
  background-image:
    linear-gradient(rgba(5, 5, 5, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 5, 5, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  animation: grid-drift 18s linear infinite;
}

.hero::after {
  top: 74px;
  bottom: 0;
  left: -34%;
  width: 36%;
  background: linear-gradient(105deg, transparent, rgba(5, 5, 5, 0.16), transparent);
  transform: skewX(-18deg);
  animation: light-sweep 6.5s var(--ease) infinite;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(420px, 1.18fr);
  gap: 46px;
  align-items: center;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero-inner::before,
.hero-inner::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero-inner::before {
  inset: -22px;
  z-index: 0;
  opacity: 0.52;
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 80px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left top / 1px 80px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right top / 80px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right top / 1px 80px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 80px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 1px 80px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 80px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 1px 80px no-repeat;
  transform: translate3d(0, var(--hero-frame-parallax, 0px), 0);
}

.hero-inner::after {
  top: -22px;
  bottom: -22px;
  left: calc(42% + var(--mx-offset, 0px));
  z-index: 0;
  width: 1px;
  opacity: 0.35;
  background: linear-gradient(transparent, var(--ink), transparent);
  animation: calibration-pulse 2.8s var(--ease) infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: hero-copy-in 1s var(--ease) both;
}

.hero-content::after {
  content: "";
  position: absolute;
  top: -20px;
  right: min(7vw, 48px);
  width: 110px;
  height: 110px;
  pointer-events: none;
  opacity: 0.2;
  background:
    linear-gradient(var(--ink), var(--ink)) 50% 0 / 1px 100% no-repeat,
    linear-gradient(90deg, var(--ink), var(--ink)) 0 50% / 100% 1px no-repeat,
    radial-gradient(circle, transparent 0 52%, var(--ink) 53% 54%, transparent 55%);
  animation: target-lock 4.8s linear infinite;
}

.hero-visual {
  position: relative;
  z-index: 1;
  margin: 0;
  min-width: 0;
  --hero-image-x: 0px;
  --hero-image-y: 0px;
  transform: translate3d(0, var(--hero-visual-parallax, 0px), 0);
  animation: hero-bike-in 1.2s var(--ease) 0.12s both;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 14% 4% 7%;
  z-index: 0;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(5, 5, 5, 0.08), transparent 34%),
    var(--soft);
  transform: skewX(-7deg);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 8% 0 5%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.72;
  background:
    linear-gradient(90deg, transparent, rgba(5, 5, 5, 0.45), transparent) 0 0 / 100% 1px no-repeat,
    linear-gradient(90deg, transparent, rgba(5, 5, 5, 0.28), transparent) 0 100% / 100% 1px no-repeat,
    linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.3), transparent) 0 0 / 1px 100% no-repeat,
    linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.3), transparent) 100% 0 / 1px 100% no-repeat,
    linear-gradient(90deg, transparent 0 8%, rgba(5, 5, 5, 0.2) 48%, transparent 88%);
  transform: translate3d(var(--mx-inv-px, 0px), var(--my-inv-px, 0px), 0);
  mask-image: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent);
  animation: visual-scan 3.6s var(--ease) infinite;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 24px 28px rgba(0, 0, 0, 0.12));
  transform: translate3d(calc(var(--hero-image-x, 0px) + var(--mx-px, 0px)), calc(var(--hero-image-y, 0px) + var(--my-px, 0px)), 0) rotateX(var(--hero-rot-x, 0deg)) rotateY(var(--hero-rot-y, 0deg));
  transition: transform 0.35s var(--ease), filter 0.35s var(--ease);
}

.hero-visual:hover img {
  filter: drop-shadow(0 34px 38px rgba(0, 0, 0, 0.18));
}

.eyebrow,
.section-label,
.card-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.eyebrow::after,
.section-label::after {
  content: "";
  width: 42px;
  height: 1px;
  background: currentColor;
  opacity: 0.32;
  transform: scaleX(0.28);
  transform-origin: left center;
  transition:
    opacity 0.68s var(--ease),
    transform 0.68s var(--ease);
}

.spect-label {
  gap: 8px;
}

.spect-label span:first-child {
  color: var(--ink);
  font-size: 20px;
  font-weight: 950;
  line-height: 1;
  text-transform: none;
}

.spect-label span:last-child {
  transform: translateY(1px);
}

#spect-title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.18em;
  align-items: baseline;
}

.spect-heading-brand {
  font-size: 1.08em;
  letter-spacing: 0;
}

.hero-content .eyebrow::after {
  animation: label-calibrate 1.1s var(--ease) 0.35s both;
}

.reveal-ready.is-visible .eyebrow::after,
.reveal-ready.is-visible .section-label::after {
  opacity: 0.72;
  transform: scaleX(1);
}

.hero h1 {
  width: auto;
  max-width: 780px;
  margin: 16px 0 24px;
  font-size: 92px;
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: 0;
  color: transparent;
  background: linear-gradient(90deg, var(--ink) 0 38%, #8e8e8e 48%, var(--ink) 58% 100%);
  background-size: 220% 100%;
  background-clip: text;
  animation: title-sheen 6.4s var(--ease) 0.9s infinite;
  -webkit-background-clip: text;
}

@supports not ((background-clip: text) or (-webkit-background-clip: text)) {
  .hero h1 {
    color: var(--ink);
    background: none;
    animation: none;
  }
}

.hero-copy {
  max-width: 390px;
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.hero-system-line {
  display: grid;
  position: relative;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, 560px);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}

.hero-system-line::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -34%;
  width: 32%;
  pointer-events: none;
  background: linear-gradient(105deg, transparent, rgba(5, 5, 5, 0.18), transparent);
  transform: skewX(-16deg);
  animation: rail-sweep 4.8s var(--ease) 1.2s infinite;
}

.hero-system-line > span {
  min-height: 56px;
  padding: 16px 14px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-condensed);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.hero-system-line > span:last-child {
  border-right: 0;
}

.hero-system-line .brand-token {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

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

.button {
  display: inline-flex;
  position: relative;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
}

.button.primary {
  background: var(--ink);
  color: var(--bg);
}

.button.secondary {
  background: var(--bg);
  color: var(--ink);
}

.button:hover {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.button::after,
.series-tab::after,
.lang-toggle::after {
  content: "";
  position: absolute;
  left: var(--press-x, 50%);
  top: var(--press-y, 50%);
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(5, 5, 5, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
}

.button.primary::after,
.series-tab.is-active::after {
  background: rgba(255, 255, 255, 0.24);
}

.button.is-pressing::after,
.series-tab.is-pressing::after,
.lang-toggle.is-pressing::after {
  animation: button-ripple 0.58s var(--ease);
}

.section {
  padding: 104px 36px;
}

@supports (content-visibility: auto) {
  .intro,
  .spect-section,
  .system-stage,
  .product-explorer,
  .factory,
  .technology,
  .warranty,
  .support,
  .closing,
  .footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 900px;
  }

  .product-explorer,
  .warranty {
    contain-intrinsic-size: auto 1250px;
  }

  .footer {
    contain-intrinsic-size: auto 180px;
  }
}

.intro {
  background: var(--soft);
}

.intro-grid,
.section-head,
.product-explorer > .series-tabs,
.feature-product,
.tech-grid,
.table-wrap {
  width: min(100%, var(--max));
  margin-right: auto;
  margin-left: auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(300px, 1.1fr);
  gap: 58px;
  align-items: start;
  margin-top: 22px;
}

h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3,
.hero-copy,
.section-head p,
.intro p,
.closing p {
  text-wrap: balance;
}

.text-phrase {
  display: inline-block;
}

h2 {
  margin: 0;
  font-size: 44px;
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0;
}

.intro p,
.section-head p,
.feature-copy > p,
.tech-block p,
.closing p {
  color: var(--muted);
}

.intro p {
  margin: 0;
  font-size: 19px;
}

.platform-index {
  display: grid;
  position: relative;
  z-index: 2;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(calc(100% - 72px), var(--max));
  margin: -44px auto 76px;
  border: 1px solid var(--ink);
  background: var(--bg);
  box-shadow: 0 28px 58px rgba(0, 0, 0, 0.08);
}

.platform-index a {
  display: grid;
  gap: 14px;
  min-height: 148px;
  padding: 24px;
  border-right: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), transform 0.35s var(--ease);
}

.platform-index a:last-child {
  border-right: 0;
}

.platform-index a:hover {
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-4px);
}

.platform-index span,
.platform-index em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0;
  transition: color 0.35s var(--ease);
}

.platform-index strong {
  align-self: end;
  font-size: 30px;
  line-height: 1;
}

.platform-index a:hover span,
.platform-index a:hover em {
  color: #d8d8d8;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
  gap: 40px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head h2 {
  margin-top: 10px;
}

.section-head p {
  margin: 0;
  max-width: 340px;
  font-size: 16px;
  line-height: 1.45;
}

.section-subhead {
  width: min(100%, var(--max));
  margin: 42px auto 14px;
}

.section-subhead h3 {
  margin: 8px 0 0;
  font-size: 28px;
  line-height: 1.1;
}

.wheel-spec-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.wheel-spec-head h3 {
  font-size: 32px;
}

.system-stage {
  display: grid;
  grid-template-columns: minmax(300px, 0.36fr) minmax(520px, 0.64fr);
  width: 100%;
  min-height: 520px;
  background: var(--ink);
  color: var(--bg);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.system-stage-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(42px, 5.4vw, 76px);
}

.system-stage-copy .section-label,
.system-stage-copy p {
  color: #cfcfcf;
}

.system-stage-copy h2 {
  margin: 12px 0 18px;
  color: var(--bg);
  font-size: clamp(48px, 5vw, 72px);
  line-height: 0.98;
}

.system-stage-copy > p:last-child {
  max-width: 520px;
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
}

.system-stage-visual {
  display: grid;
  place-items: center;
  position: relative;
  min-height: 520px;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(5, 5, 5, 0.06), transparent 34%),
    repeating-linear-gradient(90deg, rgba(5, 5, 5, 0.04) 0 1px, transparent 1px 96px),
    #f6f6f4;
  overflow: hidden;
  isolation: isolate;
}

.system-stage-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(246, 246, 244, 0.18), transparent 22%),
    linear-gradient(180deg, transparent 72%, rgba(5, 5, 5, 0.08));
}

.system-stage-visual img {
  position: absolute;
  display: block;
  object-fit: contain;
}

.system-frame-image {
  z-index: 1;
  left: 3%;
  top: 7%;
  width: 72%;
  height: 74%;
  filter: drop-shadow(0 28px 40px rgba(0, 0, 0, 0.12));
}

.system-wheel-image {
  z-index: 2;
  right: 2.5%;
  bottom: 12%;
  width: min(40%, 390px);
  height: 48%;
  filter: drop-shadow(0 30px 34px rgba(0, 0, 0, 0.18));
}

.wheel-wall {
  display: grid;
  grid-template-columns: minmax(420px, 1.26fr) minmax(280px, 0.74fr);
  align-items: stretch;
  width: min(100%, var(--max));
  margin: 0 auto 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  overflow: hidden;
}

.wheel-wall figure {
  position: relative;
  min-height: 292px;
  margin: 0;
  overflow: hidden;
}

.wheel-wall figure::before,
.wheel-wall figure::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.wheel-wall figure::before {
  opacity: 0.46;
  background:
    linear-gradient(var(--bg), var(--bg)) left top / 74px 1px no-repeat,
    linear-gradient(var(--bg), var(--bg)) left top / 1px 74px no-repeat,
    linear-gradient(var(--bg), var(--bg)) right bottom / 74px 1px no-repeat,
    linear-gradient(var(--bg), var(--bg)) right bottom / 1px 74px no-repeat;
}

.wheel-wall figure::after {
  opacity: 0.28;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent) 0 0 / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, transparent 0 118px, rgba(255, 255, 255, 0.18) 119px 120px);
  animation: wheel-data-scan 3.8s var(--ease) infinite;
}

.wheel-wall img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
  transition: transform 0.65s var(--ease), opacity 0.65s var(--ease);
}

.wheel-wall:hover img {
  opacity: 1;
  transform: scale(1.035);
}

.wheel-wall > div {
  display: flex;
  flex-direction: column;
  justify-content: end;
  min-height: 292px;
  padding: 30px;
  border-left: 1px solid rgba(255, 255, 255, 0.32);
}

.wheel-wall .section-label,
.wheel-wall p {
  color: #d4d4d4;
}

.wheel-wall h3 {
  margin: 12px 0 0;
  color: var(--bg);
  font-size: 38px;
  font-weight: 900;
  line-height: 0.98;
}

.series-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.series-tab {
  position: relative;
  min-width: 92px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  overflow: hidden;
}

.series-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
  box-shadow: inset 0 -3px 0 rgba(255, 255, 255, 0.28);
}

.feature-product {
  display: grid;
  position: relative;
  grid-template-columns: 0.82fr 1.18fr;
  min-height: 500px;
  border: 1px solid var(--ink);
  background: var(--bg);
  overflow: hidden;
}

.feature-product::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(105deg, transparent 0 38%, rgba(5, 5, 5, 0.11) 50%, transparent 62%);
  transform: translateX(-70%) skewX(-12deg);
}

.feature-product.is-changing::before {
  animation: system-wipe 0.64s var(--ease) both;
}

.feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  border-right: 1px solid var(--ink);
}

.feature-copy h3 {
  margin: 12px 0 18px;
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.feature-copy > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
}

.feature-variants {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.feature-variants button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  transition:
    background 0.24s var(--ease),
    color 0.24s var(--ease),
    transform 0.24s var(--ease);
}

.feature-variants button:hover,
.feature-variants button.is-active {
  background: var(--ink);
  color: var(--bg);
}

.feature-variants button:active {
  transform: translateY(1px);
}

.feature-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-specs div {
  min-height: 92px;
  padding: 18px;
  background: var(--bg);
}

.feature-specs dt {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.feature-specs dd {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  white-space: nowrap;
}

.feature-visual {
  display: grid;
  place-items: center;
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 44px;
  background: var(--bg);
  --wheel-zoom-image: none;
  --wheel-zoom-x: 50%;
  --wheel-zoom-y: 50%;
  --wheel-lens-x: 50%;
  --wheel-lens-y: 50%;
  overflow: hidden;
}

.feature-visual::before,
.feature-visual::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.feature-visual::before {
  inset: 18px;
  opacity: 0.35;
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 58px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left top / 1px 58px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right top / 58px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right top / 1px 58px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 58px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 1px 58px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 58px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 1px 58px no-repeat;
}

.feature-visual::after {
  top: 0;
  bottom: 0;
  left: -35%;
  width: 26%;
  opacity: 0;
  background: linear-gradient(105deg, transparent, rgba(5, 5, 5, 0.14), transparent);
  transform: skewX(-16deg);
}

.feature-product:hover .feature-visual::after {
  animation: module-sweep 1.4s var(--ease) both;
}

.wheel-scale-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 2;
  padding: 7px 10px;
  border: 1px solid rgba(5, 5, 5, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  backdrop-filter: blur(14px);
}

.feature-visual img {
  position: relative;
  z-index: 1;
  width: min(100%, 690px);
  filter: drop-shadow(0 28px 32px rgba(0, 0, 0, 0.16));
  transition: transform 0.48s var(--ease), filter 0.48s var(--ease);
}

.wheel-magnifier {
  position: absolute;
  z-index: 5;
  left: var(--wheel-lens-x);
  top: var(--wheel-lens-y);
  width: clamp(180px, 19vw, 260px);
  aspect-ratio: 1;
  border: 1px solid rgba(5, 5, 5, 0.72);
  border-radius: 50%;
  background-color: #f7f7f5;
  background-image: var(--wheel-zoom-image);
  background-repeat: no-repeat;
  background-position: var(--wheel-zoom-x) var(--wheel-zoom-y);
  background-size: 760%;
  box-shadow:
    0 22px 36px rgba(0, 0, 0, 0.18),
    inset 0 0 0 8px rgba(255, 255, 255, 0.72),
    inset 0 0 0 9px rgba(5, 5, 5, 0.2);
  filter: contrast(1.52) saturate(1.2) brightness(1.04);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.92);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.wheel-magnifier::after {
  content: "";
  position: absolute;
  inset: 13px;
  border-radius: inherit;
  background:
    linear-gradient(90deg, transparent, rgba(5, 5, 5, 0.18), transparent) 0 50% / 100% 1px no-repeat,
    linear-gradient(180deg, transparent, rgba(5, 5, 5, 0.18), transparent) 50% 0 / 1px 100% no-repeat,
    radial-gradient(circle at 32% 24%, rgba(255, 255, 255, 0.34), transparent 36%);
  mix-blend-mode: multiply;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .feature-visual {
    cursor: zoom-in;
  }

  .feature-visual.is-zooming .wheel-magnifier {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@media (hover: none), (pointer: coarse) {
  .wheel-magnifier {
    display: none;
  }
}

.feature-product[data-active-product="brompton"] .feature-visual::before {
  inset: 46px;
  opacity: 0.24;
}

.feature-product[data-active-product="brompton"] .feature-visual img {
  width: min(66%, 430px);
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.12));
}

.feature-product[data-active-product="brompton"] .wheel-scale-badge {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.feature-product:hover .feature-visual img {
  filter: drop-shadow(0 34px 38px rgba(0, 0, 0, 0.2)) contrast(1.05);
  transform: scale(1.026) translateY(-4px);
}

.feature-product[data-active-product="brompton"]:hover .feature-visual img {
  filter: drop-shadow(0 22px 28px rgba(0, 0, 0, 0.16));
  transform: scale(1.018) translateY(-2px);
}

.feature-product.is-changing .feature-visual img {
  animation: product-swap 0.5s var(--ease) both;
}

.text-button {
  align-self: flex-start;
  margin-top: 18px;
  padding: 0 0 4px;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

.text-button:hover {
  color: var(--muted);
}

.feature-detail-button {
  margin-top: 22px;
}

.technology {
  background: var(--bg);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.tech-block {
  position: relative;
  min-height: 250px;
  padding: 24px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}

.tech-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: -45%;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0;
}

.tech-block::after {
  content: "";
  position: absolute;
  inset: 14px;
  pointer-events: none;
  opacity: 0.075;
  background-image:
    linear-gradient(rgba(5, 5, 5, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 5, 5, 0.55) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(180deg, #000, transparent 74%);
  transition: opacity 0.35s var(--ease);
}

.tech-block:hover::before {
  animation: data-run 1.2s var(--ease) both;
}

.tech-block:hover::after {
  opacity: 0.18;
  animation: micro-grid 1.6s linear infinite;
}

.tech-block span {
  display: block;
  margin-bottom: 48px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.tech-block h3 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.1;
}

.tech-block p {
  margin: 0;
  font-size: 15px;
}

.engineering-media {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(100%, var(--max));
  margin: 20px auto 0;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.engineering-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(5, 5, 5, 0.045), transparent 34%),
    var(--bg);
  color: var(--ink);
  overflow: hidden;
}

.engineering-card > span {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.engineering-card > span::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}

.engineering-card h3 {
  margin: auto 0 14px;
  font-size: clamp(24px, 2vw, 34px);
  line-height: 1;
}

.engineering-card p {
  min-height: 46px;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

.detail-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.detail-pills em {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.spect-section {
  background: var(--bg);
  border-top: 1px solid var(--line);
}

.frame-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.frame-card {
  display: grid;
  position: relative;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--ink);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg);
}

.frame-card::after,
.feature-product::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  border: 1px solid var(--ink);
  transform: scale(0.985);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.frame-card:hover::after,
.feature-product:hover::after {
  opacity: 0.58;
  transform: scale(1);
}

.frame-card figure {
  display: grid;
  place-items: center;
  position: relative;
  margin: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--ink);
  min-height: 360px;
  overflow: hidden;
}

.frame-card figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent 0 42%, rgba(255, 255, 255, 0.78) 48%, transparent 56%),
    repeating-linear-gradient(90deg, rgba(5, 5, 5, 0.05) 0 1px, transparent 1px 72px);
  opacity: 0;
  transform: translateX(-60%);
  transition: opacity 0.35s var(--ease);
}

.frame-card figure::after {
  content: "";
  position: absolute;
  inset: 18px;
  z-index: 2;
  pointer-events: none;
  opacity: 0.22;
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 52px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left top / 1px 52px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right top / 52px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right top / 1px 52px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 52px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 1px 52px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 52px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 1px 52px no-repeat,
    linear-gradient(90deg, transparent, rgba(5, 5, 5, 0.55), transparent) 0 50% / 100% 1px no-repeat;
  transition: opacity 0.35s var(--ease);
}

.frame-card:hover figure::after {
  opacity: 0.46;
  animation: frame-lock-scan 2.2s var(--ease) infinite;
}

.frame-card img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 360px;
  object-fit: contain;
  object-position: center;
  padding: 18px 14px;
  --frame-image-x: 0px;
  --frame-image-y: 0px;
  transform: translate3d(var(--frame-image-x), var(--frame-image-y), 0);
  transition: transform 0.5s var(--ease), filter 0.5s var(--ease);
}

.frame-card[data-active-paint^="mira"] img,
.frame-card[data-active-paint^="strada"] img {
  --frame-image-x: 0px;
}

.frame-card[data-active-paint="strada-white"] img {
  --frame-image-y: -7px;
}

.frame-card:hover figure::before {
  opacity: 1;
  animation: product-scan 1.1s var(--ease) both;
}

.frame-card:hover img {
  filter: drop-shadow(0 20px 28px rgba(0, 0, 0, 0.16));
  transform: translate3d(var(--frame-image-x), var(--frame-image-y), 0) scale(1.035);
}

.frame-card-featured {
  border-color: var(--ink);
}

.frame-copy {
  padding: 26px;
}

.frame-copy h3 {
  margin: 8px 0 14px;
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
}

.frame-copy p {
  margin: 0;
  color: var(--muted);
}

.paint-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 18px;
}

.frame-paint-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.paint-swatch {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
  transition:
    border-color 0.24s var(--ease),
    box-shadow 0.24s var(--ease),
    transform 0.24s var(--ease);
}

.paint-swatch:hover,
.paint-swatch.is-active,
.paint-swatch[aria-pressed="true"] {
  border-color: var(--ink);
}

.paint-swatch.is-active,
.paint-swatch[aria-pressed="true"] {
  box-shadow:
    inset 0 -2px 0 var(--ink),
    0 8px 18px rgba(0, 0, 0, 0.08);
}

.paint-swatch:active {
  transform: translateY(1px);
}

.paint-swatch i {
  display: block;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(5, 5, 5, 0.28);
  border-radius: 50%;
}

.paint-black i {
  background: linear-gradient(135deg, #050505, #2c2c2c 58%, #080808);
}

.paint-white i {
  background: linear-gradient(135deg, #ffffff, #e7e7e3 58%, #ffffff);
}

.frame-card.is-paint-changing figure::before {
  opacity: 1;
  animation: product-scan 0.72s var(--ease) both;
}

.frame-card.is-paint-changing img {
  animation: frame-paint-swap 0.48s var(--ease) both;
}

.spec-list {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.spec-list li {
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}

.frame-copy .text-button {
  margin-top: 22px;
}

.factory {
  background: var(--ink);
  color: var(--bg);
}

.factory-hero,
.factory-grid,
.support {
  width: min(100%, var(--max));
  margin-right: auto;
  margin-left: auto;
}

.factory-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  gap: 48px;
  align-items: end;
  margin-bottom: 34px;
}

.factory h2,
.factory h3 {
  color: var(--bg);
}

.factory .section-label,
.factory p {
  color: #cbcbcb;
}

.factory-hero p {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  border-left: 1px solid rgba(255, 255, 255, 0.35);
}

.factory-grid article {
  min-height: 245px;
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

.factory-grid span {
  display: block;
  margin-bottom: 48px;
  color: #a8a8a8;
  font-size: 14px;
  font-weight: 900;
}

.factory-grid h3 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.1;
}

.factory-grid p {
  margin: 0;
  font-size: 15px;
}

.product-explorer {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ink);
  background: var(--bg);
}

.frame-table,
.wheel-spec-table {
  margin-top: 18px;
}

.wheel-spec-table {
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.08);
}

table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  text-align: left;
}

th,
td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  vertical-align: top;
}

th {
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

td:first-child,
td:nth-child(2) {
  font-weight: 800;
}

.warranty {
  background: var(--bg);
}

.warranty-layout {
  display: block;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.warranty-overview {
  display: grid;
  position: relative;
  grid-template-columns: minmax(280px, 0.84fr) minmax(380px, 1.16fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
  padding: 26px;
  border: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
}

.warranty-overview .card-kicker,
.warranty-overview p {
  color: var(--muted);
}

.warranty-overview h3 {
  grid-column: 1;
  margin: 10px 0 0;
  font-size: 34px;
  line-height: 1.02;
  letter-spacing: 0;
}

.warranty-overview > p:last-child {
  grid-column: 1;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  align-self: end;
}

.warranty-terms {
  display: grid;
  grid-column: 2;
  grid-row: 1 / span 3;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.warranty-terms div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  background: var(--bg);
}

.warranty-terms dt {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.warranty-terms dd {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
}

.warranty-points {
  display: grid;
  grid-column: 1 / -1;
  grid-row: 4;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.warranty-points li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 64px;
  padding-right: 18px;
  border-bottom: 1px solid var(--line);
}

.warranty-points span {
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
}

.warranty-points strong {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.warranty-doc {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.policy-section {
  display: grid;
  grid-template-columns: 58px 1fr;
  background: var(--bg);
}

.policy-section:nth-child(3),
.policy-section:nth-child(4),
.policy-section:nth-child(5),
.policy-section:nth-child(6) {
  grid-column: 1 / -1;
}

.policy-section > span {
  display: grid;
  align-items: start;
  justify-items: center;
  padding-top: 24px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.policy-section > div {
  padding: 24px 26px 26px;
}

.policy-section h3 {
  margin: 0 0 14px;
  font-size: 25px;
  line-height: 1.1;
}

.policy-section p,
.policy-section li {
  color: var(--muted);
  font-size: 15px;
}

.policy-section p,
.policy-section ul,
.policy-section ol {
  margin: 0;
}

.policy-section ul,
.policy-section ol {
  display: grid;
  gap: 10px;
  padding-left: 1.15em;
}

.policy-section p + ul,
.policy-section p + ol {
  margin-top: 10px;
}

.policy-section strong {
  color: var(--ink);
}

.policy-note {
  margin-top: 12px !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.support {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(360px, 1.24fr);
  gap: 42px;
  align-items: start;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.support-grid article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
}

.support-grid h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.support-grid p {
  margin: 0;
  color: var(--muted);
}

.closing {
  display: grid;
  grid-template-columns: minmax(320px, 0.98fr) minmax(320px, 1.02fr);
  gap: 48px;
  align-items: center;
  width: min(calc(100% - 72px), var(--max));
  margin: 0 auto;
  padding: 88px 0;
}

.closing-brand-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--ink);
  background: var(--ink);
  overflow: hidden;
}

.brand-tile {
  display: grid;
  position: relative;
  place-items: center;
  min-height: 300px;
  margin: 0;
  padding: 38px 24px 54px;
  background: var(--bg);
  overflow: hidden;
}

.brand-tile + .brand-tile {
  border-left: 1px solid var(--ink);
}

.brand-tile::before,
.brand-tile::after {
  content: "";
  position: absolute;
  inset: 18px;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}

.brand-tile::before {
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 48px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left top / 1px 48px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 48px 1px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right bottom / 1px 48px no-repeat;
}

.brand-tile::after {
  opacity: 0;
  background: linear-gradient(105deg, transparent, rgba(5, 5, 5, 0.15), transparent);
  transform: translateX(-80%) skewX(-14deg);
}

.brand-tile:hover::after {
  animation: brand-scan 1.2s var(--ease) both;
}

.brand-tile img {
  position: relative;
  z-index: 1;
  width: min(82%, 300px);
  object-fit: contain;
}

.closing-logo {
  width: min(86%, 270px);
  filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.1));
}

.brand-wordmark {
  display: inline-flex;
  position: relative;
  z-index: 1;
  align-items: center;
  justify-content: center;
  min-width: 0;
  width: min(88%, 320px);
  padding: 0 12px 6px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(48px, 4.4vw, 62px);
  font-weight: 950;
  line-height: 1;
  letter-spacing: 0;
  overflow: visible;
}

.brand-wordmark > span:first-child {
  transform: skewX(-7deg);
  transform-origin: right bottom;
}

.brand-tile figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

.closing h2 {
  margin: 10px 0 18px;
}

.closing p {
  margin: 0;
  font-size: 18px;
}

.closing-copy {
  max-width: 520px;
  color: var(--muted);
  line-height: 1.55;
}

.channel-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 22px;
}

.channel-list span {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 30px 36px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--bg);
}

.footer p {
  margin: 0;
  color: #cfcfcf;
  font-size: 13px;
}

.footer-brand .brand-token {
  color: var(--bg);
  font-size: 20px;
}

.footer-brand .brand-logo {
  height: 28px;
  max-width: 120px;
}

.footer .brand-divider {
  background: rgba(255, 255, 255, 0.35);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  font-weight: 800;
}

.footer-links a {
  color: #d8d8d8;
}

.footer-links a:hover {
  color: var(--bg);
}

.fine-print {
  white-space: nowrap;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.62);
}

.modal-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
  width: min(100%, 980px);
  max-height: min(780px, calc(100svh - 48px));
  overflow: auto;
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
}

.modal-panel figure {
  display: grid;
  place-items: center;
  margin: 0;
  padding: 34px;
  background: var(--bg);
  border-right: 1px solid var(--line);
}

.modal-panel figure img {
  width: 100%;
  object-fit: contain;
}

.modal[data-detail="brompton"] .modal-panel figure img {
  width: min(74%, 430px);
}

.modal-copy {
  padding: 34px;
}

.modal-copy h2 {
  margin: 10px 0 14px;
  font-size: 44px;
}

.modal-copy > p {
  margin: 0 0 20px;
  color: var(--muted);
}

.modal-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 20px;
}

.modal-gallery[hidden] {
  display: none;
}

.modal-gallery button {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 64px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  font-size: 12px;
  font-weight: 900;
}

.modal-gallery button.is-active {
  border-color: var(--ink);
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--ink);
}

.modal-gallery img {
  width: 64px;
  height: 46px;
  object-fit: cover;
  background: var(--soft);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.modal-tags span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.modal-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.modal-specs div {
  min-height: 78px;
  padding: 14px;
  background: var(--bg);
}

.modal-specs dt {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.modal-specs dd {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
}

.reveal-ready {
  opacity: 0;
  filter: blur(8px);
  transform: translate3d(0, 58px, 0) scale(0.965);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease),
    filter 0.9s var(--ease);
  will-change: opacity, transform;
}

.reveal-ready.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 0) scale(1);
  will-change: auto;
}

.motion-card {
  transform-style: preserve-3d;
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.motion-card:hover {
  will-change: transform;
  box-shadow: 0 34px 74px rgba(0, 0, 0, 0.16);
  transform: translate3d(0, -12px, 0) rotateX(var(--tilt-x-deg, 0deg)) rotateY(var(--tilt-y-deg, 0deg));
}

.feature-product,
.frame-card,
.tech-block,
.engineering-card,
.factory-grid article,
.policy-section,
.support-grid article,
.closing img {
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.feature-product:hover,
.frame-card:hover {
  transform: translate3d(0, -12px, 0) rotateX(var(--tilt-x-deg, 0deg)) rotateY(var(--tilt-y-deg, 0deg));
  box-shadow: 0 34px 74px rgba(0, 0, 0, 0.16);
}

.tech-block:hover,
.engineering-card:hover,
.support-grid article:hover {
  transform: translateY(-10px);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.14);
}

.button,
.series-tab,
.text-button,
.lang-toggle {
  transition:
    transform 0.22s var(--ease),
    background 0.22s var(--ease),
    color 0.22s var(--ease),
    border-color 0.22s var(--ease),
    outline-color 0.22s var(--ease);
}

.button:hover,
.series-tab:hover,
.text-button:hover,
.lang-toggle:hover {
  transform: translateY(-2px);
}

@keyframes hero-copy-in {
  from {
    opacity: 0;
    transform: translate3d(-34px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes hero-bike-in {
  from {
    opacity: 0;
    transform: translate3d(80px, 26px, 0) scale(0.94);
  }
  to {
    opacity: 1;
    transform: translate3d(0, var(--hero-visual-parallax, 0px), 0) scale(1);
  }
}

@keyframes target-lock {
  from {
    transform: rotate(0deg) scale(0.96);
  }
  50% {
    opacity: 0.32;
    transform: rotate(180deg) scale(1);
  }
  to {
    transform: rotate(360deg) scale(0.96);
  }
}

@keyframes title-sheen {
  0%,
  45% {
    background-position: 0% 50%;
  }
  80%,
  100% {
    background-position: 120% 50%;
  }
}

@keyframes label-calibrate {
  from {
    opacity: 0;
    transform: scaleX(0);
  }
  to {
    opacity: 0.72;
    transform: scaleX(1);
  }
}

@keyframes button-ripple {
  0% {
    opacity: 0.42;
    transform: translate(-50%, -50%) scale(0);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes system-wipe {
  0% {
    opacity: 0;
    transform: translateX(-70%) skewX(-12deg);
  }
  22% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(170%) skewX(-12deg);
  }
}

@keyframes grid-drift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 72px 72px;
  }
}

@keyframes product-scan {
  from {
    transform: translateX(-70%);
  }
  to {
    transform: translateX(70%);
  }
}

@keyframes light-sweep {
  0%,
  62% {
    transform: translateX(0) skewX(-18deg);
    opacity: 0;
  }
  76% {
    opacity: 1;
  }
  100% {
    transform: translateX(440%) skewX(-18deg);
    opacity: 0;
  }
}

@keyframes product-swap {
  from {
    opacity: 0;
    transform: translate3d(26px, 0, 0) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes frame-paint-swap {
  0% {
    opacity: 0.12;
    transform: translate3d(calc(var(--frame-image-x, 0px) + 18px), var(--frame-image-y, 0px), 0) scale(0.985);
    filter: saturate(0.2) contrast(1.18);
  }
  48% {
    opacity: 0.82;
    transform: translate3d(calc(var(--frame-image-x, 0px) - 4px), var(--frame-image-y, 0px), 0) scale(1.012);
    filter: saturate(0.75) contrast(1.08);
  }
  100% {
    opacity: 1;
    transform: translate3d(var(--frame-image-x, 0px), var(--frame-image-y, 0px), 0) scale(1);
    filter: none;
  }
}

@keyframes calibration-pulse {
  0%,
  100% {
    opacity: 0.16;
    transform: scaleY(0.82);
  }
  48% {
    opacity: 0.56;
    transform: scaleY(1);
  }
}

@keyframes visual-scan {
  0% {
    background-position:
      0 12%,
      0 100%,
      0 0,
      100% 0,
      -140% 0;
  }
  58%,
  100% {
    background-position:
      0 82%,
      0 100%,
      0 0,
      100% 0,
      160% 0;
  }
}

@keyframes frame-lock-scan {
  0% {
    background-position:
      left top,
      left top,
      right top,
      right top,
      left bottom,
      left bottom,
      right bottom,
      right bottom,
      0 14%;
  }
  60%,
  100% {
    background-position:
      left top,
      left top,
      right top,
      right top,
      left bottom,
      left bottom,
      right bottom,
      right bottom,
      0 86%;
  }
}

@keyframes module-sweep {
  0% {
    opacity: 0;
    transform: translateX(0) skewX(-16deg);
  }
  18% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(520%) skewX(-16deg);
  }
}

@keyframes rail-sweep {
  0%,
  52% {
    opacity: 0;
    transform: translateX(0) skewX(-16deg);
  }
  66% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(430%) skewX(-16deg);
  }
}

@keyframes wheel-data-scan {
  0% {
    background-position:
      0 18%,
      0 0;
  }
  54%,
  100% {
    background-position:
      0 82%,
      120px 0;
  }
}

@keyframes brand-scan {
  0% {
    opacity: 0;
    transform: translateX(-80%) skewX(-14deg);
  }
  18% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(180%) skewX(-14deg);
  }
}

@keyframes data-run {
  0% {
    opacity: 0;
    transform: translateX(0);
  }
  14%,
  82% {
    opacity: 0.85;
  }
  100% {
    opacity: 0;
    transform: translateX(350%);
  }
}

@keyframes micro-grid {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 18px 18px, 18px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .reveal-ready {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }

  body::after {
    display: none;
  }

  .hero-visual,
  .hero-inner::before,
  .motion-card,
  .motion-card:hover,
  .feature-product:hover,
  .frame-card:hover,
  .tech-block:hover,
  .engineering-card:hover,
  .support-grid article:hover {
    transform: none !important;
  }

  .motion-card:hover,
  .feature-product:hover,
  .frame-card:hover,
  .tech-block:hover,
  .engineering-card:hover,
  .support-grid article:hover {
    box-shadow: none !important;
  }
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 24px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: 0;
    padding: 112px 24px 64px;
  }

  .hero h1 {
    font-size: 72px;
  }

  .hero-copy {
    max-width: 420px;
    font-size: 18px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero-visual {
    max-width: 720px;
  }

  .section {
    padding: 72px 24px;
  }

  h2 {
    font-size: 42px;
  }

  .intro-grid,
  .section-head,
  .system-stage,
  .feature-product,
  .wheel-wall,
  .warranty-overview,
  .closing {
    grid-template-columns: 1fr;
  }

  .platform-index {
    grid-template-columns: 1fr;
    margin-top: -34px;
  }

  .platform-index a {
    min-height: 118px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .platform-index a:last-child {
    border-bottom: 0;
  }

  .system-stage {
    min-height: 0;
  }

  .system-stage-visual {
    min-height: 420px;
  }

  .system-stage-copy h2 {
    font-size: 54px;
  }

  .wheel-wall > div {
    border-top: 1px solid rgba(255, 255, 255, 0.32);
    border-left: 0;
  }

  .warranty-doc {
    grid-template-columns: 1fr;
  }

  .warranty-overview h3,
  .warranty-overview > p:last-child,
  .warranty-terms,
  .warranty-points {
    grid-column: 1;
    grid-row: auto;
  }

  .policy-section:nth-child(3),
  .policy-section:nth-child(4),
  .policy-section:nth-child(5),
  .policy-section:nth-child(6) {
    grid-column: auto;
  }

  .section-head {
    gap: 18px;
  }

  .section-head p {
    max-width: 520px;
  }

  .feature-product {
    min-height: 0;
  }

  .feature-copy {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .tech-grid,
  .engineering-media,
  .factory-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .frame-grid,
  .factory-hero,
  .warranty-layout,
  .support,
  .modal-panel {
    grid-template-columns: 1fr;
  }

  .warranty-overview {
    position: static;
    min-height: 0;
  }

  .modal-panel figure {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .closing {
    width: min(calc(100% - 48px), var(--max));
  }

  .closing-brand-wall {
    max-width: 680px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  body::after,
  .hero-content::after {
    display: none;
  }

  .brand-word {
    font-size: 21px;
  }

  .brand-logo {
    height: 27px;
    max-width: 132px;
  }

  .brand-pair .brand-token {
    font-size: 16px;
  }

  .brand-divider {
    height: 16px;
  }

  .lang-toggle {
    min-width: 46px;
    height: 36px;
    padding: 0 10px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-copy {
    max-width: 330px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 280px;
  }

  .hero-system-line {
    grid-template-columns: 1fr;
    width: min(100%, 320px);
  }

  .hero-system-line > span {
    min-height: 44px;
    padding: 13px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .hero-system-line > span:last-child {
    border-bottom: 0;
  }

  h2 {
    font-size: 32px;
  }

  .intro p {
    font-size: 16px;
  }

  .feature-copy,
  .feature-visual {
    padding: 24px;
  }

  .wheel-scale-badge {
    top: 16px;
    left: 16px;
  }

  .feature-product[data-active-product="brompton"] .feature-visual img {
    width: min(78%, 340px);
  }

  .feature-copy h3 {
    font-size: 34px;
  }

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

  .tech-grid,
  .factory-grid,
  .support-grid,
  .engineering-media,
  .frame-grid {
    grid-template-columns: 1fr;
  }

  .platform-index {
    width: min(calc(100% - 48px), var(--max));
  }

  .system-stage-copy {
    padding: 44px 24px;
  }

  .system-stage-visual {
    min-height: 310px;
  }

  .system-stage-copy h2 {
    font-size: 40px;
  }

  .system-frame-image {
    left: 3%;
    top: 9%;
    width: 80%;
    height: 62%;
  }

  .system-wheel-image {
    right: 0;
    bottom: 9%;
    width: 46%;
    height: 40%;
  }

  .wheel-wall figure,
  .wheel-wall > div {
    min-height: 240px;
  }

  .wheel-wall > div {
    padding: 24px;
  }

  .wheel-wall h3 {
    font-size: 31px;
  }

  .engineering-card {
    min-height: 250px;
  }

  .warranty-points {
    grid-template-columns: 1fr;
  }

  .modal-gallery {
    grid-template-columns: 1fr;
  }

  .warranty-overview h3 {
    font-size: 32px;
  }

  .policy-section {
    grid-template-columns: 48px 1fr;
  }

  .policy-section > span {
    padding-top: 22px;
  }

  .policy-section > div {
    padding: 20px;
  }

  .channel-list {
    grid-template-columns: 1fr;
  }

  .closing-brand-wall {
    grid-template-columns: 1fr;
  }

  .brand-tile + .brand-tile {
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .brand-tile {
    min-height: 210px;
  }

  .brand-wordmark {
    font-size: 54px;
  }

  .modal {
    padding: 12px;
  }

  .modal-copy,
  .modal-panel figure {
    padding: 24px;
  }

  .modal-specs {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: 14px;
  }
}