/* ============================================================
   Otokikai × Austone — v2 "Evidence Ledger"
   Square corners everywhere. Hairline rules. Mono data stamps.
   Tokens per design handoff (handoff/README.md).
   ============================================================ */

:root {
  --bg: #07080b;
  --bg-alt: #0a0c10;
  --panel: #0c0e13;
  --line: rgba(255, 255, 255, 0.08);
  --line-panel: rgba(255, 255, 255, 0.09);
  --line-em: rgba(255, 255, 255, 0.1);
  --text: #e9ebef;
  --muted: #8e96a5;
  --faint: #687181;
  --accent: #f5b301;
  --accent-bright: #ffd24d;
  --bar: rgba(245, 179, 1, 0.72);
  --maxw: 1240px;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Archivo", system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
button, input, select { border-radius: 0; }
:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 3px; }
::selection { background: var(--accent); color: #0b0b0b; }
::placeholder { color: var(--faint); }
.accent { color: var(--accent); }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.wrap { max-width: var(--maxw); margin: 0 auto; width: 100%; }
.section { padding: 110px 32px; scroll-margin-top: 72px; }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  padding: 10px 14px; background: var(--accent); color: #0b0b0b;
  font: 600 11px/1 var(--mono); letter-spacing: 0.12em;
  transform: translateY(-160%); transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); color: #0b0b0b; }

@keyframes spinSlow { to { transform: rotate(360deg); } }
@keyframes tyre3d {
  0% { transform: rotateY(-14deg) rotateX(2deg); }
  50% { transform: rotateY(14deg) rotateX(-2deg); }
  100% { transform: rotateY(-14deg) rotateX(2deg); }
}
@keyframes heroEnter {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes plateEnter {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}

/* ================= NAV ================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(7, 8, 11, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 32px; height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-otk { font-weight: 800; letter-spacing: 0.24em; font-size: 14px; }
.brand-x { color: var(--faint); font-size: 12px; }
.brand-austone { height: 15px; width: auto; opacity: 0.95; }
.nav .brand { gap: 14px; }
.nav .brand-otk { font-size: 16px; }
.nav .brand-x { font-size: 14px; }
.nav .brand-austone { height: 21px; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--muted);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-weight: 600; letter-spacing: 0.14em !important;
  background: var(--accent); color: #0b0b0b !important; padding: 10px 18px;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-bright); color: #0b0b0b !important; }

/* ================= KICKER / SECTION HEADS ================= */
.kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.hero .kicker { margin-bottom: 22px; }
.kicker-sq { width: 8px; height: 8px; background: var(--accent); flex: none; }
.kicker-label {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.2em; color: var(--accent);
}
h2 {
  font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; font-stretch: 114%;
  letter-spacing: -0.01em; line-height: 1.05; text-transform: uppercase;
}
.sec-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin-bottom: 44px;
}
.sec-head-main { max-width: 660px; }
#proof .sec-head-main { margin-bottom: 44px; }
.sec-sub { margin-top: 14px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.chip {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--muted);
  border: 1px solid var(--line-em); padding: 9px 14px;
}
.stamp {
  margin-top: 12px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; color: var(--faint);
}
.stat-label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--muted);
}

/* ================= HERO ================= */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 150px 32px 64px;
  background-image:
    radial-gradient(1100px 620px at 76% 38%, rgba(245, 179, 1, 0.06), transparent 62%),
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: auto, 84px 84px, 84px 84px;
  background-position: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: 56px; align-items: center;
}
.hero-grid > div:first-child > * { animation: heroEnter 680ms cubic-bezier(0.22, 1, 0.36, 1) both; }
.hero-grid > div:first-child > :nth-child(1) { animation-delay: 80ms; }
.hero-grid > div:first-child > :nth-child(2) { animation-delay: 150ms; }
.hero-grid > div:first-child > :nth-child(3) { animation-delay: 230ms; }
.hero-grid > div:first-child > :nth-child(4) { animation-delay: 310ms; }
.hero-title {
  margin-bottom: 22px;
  font-size: clamp(40px, 4vw, 58px); line-height: 0.99; font-weight: 800;
  font-stretch: 118%; letter-spacing: -0.015em; text-transform: uppercase;
}
.hero-sub { margin-bottom: 30px; max-width: 520px; color: var(--muted); font-size: 16.5px; line-height: 1.65; }
.hero-sub strong { color: var(--text); }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-solid, .btn-line, .btn-submit {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.12em;
  display: inline-block; cursor: pointer;
}
.btn-solid { font-weight: 600; background: var(--accent); color: #0b0b0b; padding: 16px 26px; }
.btn-solid:hover { background: var(--accent-bright); color: #0b0b0b; }
.btn-line { border: 1px solid rgba(255, 255, 255, 0.22); color: var(--text); padding: 16px 26px; }
.btn-line:hover { border-color: rgba(255, 255, 255, 0.5); color: var(--text); }

/* hero visual plate */
.hero-plate {
  position: relative; max-width: 480px; aspect-ratio: 1 / 1; margin: 0 auto; width: 100%;
  animation: plateEnter 900ms 220ms cubic-bezier(0.22, 1, 0.36, 1) both;
}
.plate-ring { position: absolute; inset: 0; border: 1px solid rgba(255, 255, 255, 0.07); border-radius: 50%; }
.plate-dash {
  position: absolute; inset: 9%; border: 1px dashed rgba(245, 179, 1, 0.22);
  border-radius: 50%; animation: spinSlow 90s linear infinite;
}
.plate-tick { position: absolute; background: rgba(255, 255, 255, 0.25); }
.tick-w { top: 50%; left: -6px; width: 14px; height: 1px; }
.tick-e { top: 50%; right: -6px; width: 14px; height: 1px; }
.tick-n { left: 50%; top: -6px; height: 14px; width: 1px; }
.tick-s { left: 50%; bottom: -6px; height: 14px; width: 1px; }
.plate-tyre { position: absolute; inset: 5%; perspective: 900px; }
.plate-tyre img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.65));
  animation: tyre3d 9s ease-in-out infinite;
  will-change: transform;
}
.hero-tyre-video {
  display: block; width: 100%; height: 100%; object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.65));
}
.plate-note {
  position: absolute; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.14em; color: var(--muted);
}
.note-tr { top: 4%; right: 2%; text-align: right; }
.note-bl { bottom: 0; left: 2%; }

/* stat ledger */
.stat-ledger {
  margin-top: 64px;
  border-top: 1px solid var(--line-em); border-bottom: 1px solid var(--line-em);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.stat-cell { padding: 20px 24px; border-right: 1px solid var(--line); }
.stat-cell:last-child { border-right: none; }
.stat-cell b {
  display: block; font-size: 34px; font-weight: 800;
  font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}

/* ================= TRUST BAND ================= */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.band-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 16px 32px;
  display: flex; gap: 18px 44px; flex-wrap: wrap; justify-content: space-between;
}
.band-item {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--muted);
  display: flex; align-items: center; gap: 9px;
}
.band-item::before { content: ""; width: 5px; height: 5px; background: var(--accent); flex: none; }

/* ================= BEST SELLERS ================= */
.rank-instruction {
  display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap;
  margin: -18px 0 14px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.11em; color: var(--faint);
}
.rank-instruction b { color: var(--accent); font-size: 10px; }
.featured {
  border: 1px solid rgba(245, 179, 1, 0.35); background: var(--panel);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  scroll-margin-top: 90px;
}
.featured:focus { outline: none; }
.featured:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 4px; }
.featured-img { position: relative; min-height: 360px; overflow: hidden; background: #050609; }
.featured-media {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 58%;
}
.featured-img.has-motion::before {
  content: ""; position: absolute; inset: -30px;
  background-image: linear-gradient(rgba(5, 6, 9, 0.48), rgba(5, 6, 9, 0.48)), var(--motion-poster);
  background-position: center; background-size: cover;
  filter: blur(22px) saturate(0); transform: scale(1.12);
}
.featured-motion {
  z-index: 1; object-fit: contain; object-position: center;
  filter: brightness(0.9) contrast(1.04);
}
.featured-img.has-motion::after {
  content: ""; position: absolute; z-index: 2; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 76px 10px rgba(5, 6, 9, 0.62);
}
.featured-badge {
  position: absolute; z-index: 3; top: 14px; left: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em;
  background: rgba(7, 8, 11, 0.85); border: 1px solid rgba(245, 179, 1, 0.5);
  color: var(--accent); padding: 6px 10px;
}
.motion-badge {
  position: absolute; z-index: 3; right: 14px; bottom: 14px;
  display: flex; align-items: center; gap: 7px;
  padding: 6px 9px; border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(7, 8, 11, 0.82); color: var(--text);
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em;
}
.motion-badge i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.16); }
.featured-body { padding: 38px 40px; display: flex; flex-direction: column; justify-content: center; }
.featured-title { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.featured-title h3 { font-size: 38px; font-weight: 800; font-stretch: 114%; letter-spacing: 0.01em; }
.tag-solid {
  font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.14em;
  background: var(--accent); color: #0b0b0b; padding: 5px 9px;
}
.featured-sizes { margin-top: 6px; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; color: var(--muted); }
.featured-blurb { margin-top: 16px; color: var(--muted); font-size: 15px; line-height: 1.65; max-width: 440px; }
.featured-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-panel); margin-top: 24px; padding-top: 18px;
}
.featured-stats > div + div { border-left: 1px solid var(--line-panel); padding-left: 18px; }
.featured-stats b { display: block; font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.featured-stats > div > span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; color: var(--muted); }

/* leaderboard */
.leaderboard { border: 1px solid var(--line-panel); border-top: none; background: var(--bg-alt); }
.lb-head, .lb-row {
  display: grid;
  grid-template-columns: 44px 60px minmax(180px, 1.25fr) minmax(200px, 1.5fr) 0.55fr 0.55fr;
  gap: 18px; align-items: center; padding: 13px 18px;
}
.lb-head {
  padding: 10px 18px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--faint);
}
.lb-row {
  width: 100%; border: 0; border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 0; appearance: none; background: transparent; color: inherit;
  font: inherit; text-align: left; cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease;
}
.lb-row[hidden] { display: none; }
.lb-row:hover { background: rgba(245, 179, 1, 0.045); border-top-color: rgba(245, 179, 1, 0.3); }
.lb-row:hover .lb-name,
.lb-row:focus-visible .lb-name { color: var(--accent-bright); }
.lb-row:focus-visible { position: relative; z-index: 1; outline-offset: -3px; }
.leaderboard.is-switching { pointer-events: none; }
.lb-rank { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.lb-thumb { width: 60px; height: 60px; object-fit: cover; object-position: center 30%; border: 1px solid var(--line-em); }
.lb-thumb-motion { background: #d8d8d8; object-position: center; filter: brightness(0.88) contrast(1.06); }
.lb-name { display: block; font-weight: 800; font-size: 17px; transition: color 160ms ease; }
.lb-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 400;
  letter-spacing: 0.12em; color: var(--muted); margin-left: 8px;
}
.lb-sizes { display: block; font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 3px; }
.lb-units { display: flex; align-items: baseline; gap: 10px; }
.lb-units b { font-size: 17px; font-variant-numeric: tabular-nums; }
.lb-share { font-family: var(--mono); font-size: 10px; color: var(--faint); }
.lb-track { display: block; height: 3px; background: var(--line); margin-top: 7px; }
.lb-fill {
  display: block; width: 0; height: 100%; background: var(--accent);
  transition: width 950ms cubic-bezier(0.22, 1, 0.36, 1);
}
.lb-row.is-visible .lb-fill { width: var(--bar-width); }
.lb-mini { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 15px; }
.lb-mini-label {
  display: block;
  font-family: var(--mono); font-size: 10px; font-weight: 400;
  letter-spacing: 0.1em; color: var(--faint); margin-top: 2px;
}
.lb-minis { display: contents; } /* base: flatten into grid columns 5-6; mobile block overrides */

/* ================= TRACK RECORD ================= */
.alt-band { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); scroll-margin-top: 72px; }
.chart-panel { border: 1px solid var(--line-panel); background: var(--panel); padding: 34px 30px 22px; }
.chart { position: relative; height: 300px; display: flex; align-items: flex-end; gap: 6px; padding-left: 52px; }
.grid-line { position: absolute; left: 52px; right: 0; }
.grid-solid { border-top: 1px solid rgba(255, 255, 255, 0.06); }
.grid-avg { border-top: 1px dashed rgba(245, 179, 1, 0.35); }
.grid-label {
  position: absolute; left: 0; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; color: var(--faint); z-index: 2;
}
.grid-label-avg {
  position: absolute; right: 0; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; color: var(--accent); z-index: 2;
}
.bar {
  flex: 1; height: 0; background: var(--bar); position: relative;
  transition:
    height 900ms cubic-bezier(0.22, 1, 0.36, 1) calc(var(--bar-index) * 42ms),
    background-color 160ms ease;
}
.chart.is-visible .bar { height: var(--bar-height); }
.bar:hover { background: var(--accent-bright); }
.bar.peak { background: var(--accent-bright); }
.bar-note {
  position: absolute; top: -18px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10px; white-space: nowrap; color: var(--muted);
}
.bar.peak .bar-note { color: var(--accent-bright); }
.chart-axis {
  display: flex; gap: 6px; border-top: 1px solid var(--line-panel);
  padding-top: 9px; padding-left: 52px;
}
.chart-axis span {
  flex: 1; text-align: center; font-family: var(--mono); font-size: 10px;
  min-width: 0; letter-spacing: 0.06em; color: var(--faint);
}
.chart-axis span.accent { color: var(--accent); }

/* ================= REPEAT ORDERS ================= */
.proof-panel { border: 1px solid var(--line-panel); background: var(--panel); }
.proof-top {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px; align-items: center; padding: 40px;
}
.proof-giant {
  display: block; font-size: clamp(64px, 7vw, 96px); font-weight: 800; line-height: 1;
  color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
}
.proof-label { font-size: 11px; letter-spacing: 0.16em; }
.meter-labels { display: flex; justify-content: space-between; margin-bottom: 8px; }
.meter-labels span { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--muted); }
.meter-labels .meter-count { color: var(--text); }
.meter { height: 12px; background: rgba(255, 255, 255, 0.07); position: relative; }
.meter-fill {
  height: 100%; width: 0; background: var(--accent);
  transition: width 1200ms 180ms cubic-bezier(0.22, 1, 0.36, 1);
}
.proof-panel.is-visible .meter-fill { width: 78.2%; }
.meter-stamp { margin-top: 10px; letter-spacing: 0.08em; }
.proof-cells {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border-top: 1px solid var(--line-panel);
}
.proof-cell { padding: 24px 40px; border-right: 1px solid var(--line-panel); }
.proof-cell:last-child { border-right: none; }
.proof-cell b { display: block; font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; }
.proof-cell .stat-label { font-size: 10px; letter-spacing: 0.12em; }

/* ================= QUALITY CLAIM RATIO ================= */
.quality-head { align-items: flex-end; }
.quality-head .sec-head-main { max-width: 760px; }
.quality-head strong { color: var(--text); }
.quality-panel {
  display: grid; grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  border: 1px solid var(--line-panel); background: var(--panel);
}
.quality-score {
  padding: 44px; border-right: 1px solid var(--line-panel);
  display: flex; flex-direction: column; justify-content: center;
}
.quality-giant {
  display: block; margin: 8px 0 14px;
  color: var(--accent); font-size: clamp(76px, 9vw, 124px); font-weight: 800;
  font-variant-numeric: tabular-nums; letter-spacing: -0.055em; line-height: 0.9;
}
.quality-score p { max-width: 460px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.quality-score p strong { color: var(--text); }
.quality-detail { padding: 44px; display: flex; flex-direction: column; justify-content: center; }
.quality-scale-copy,
.quality-scale-axis { display: flex; align-items: center; justify-content: space-between; }
.quality-scale-copy { margin-bottom: 30px; }
.quality-scale-copy span,
.quality-scale-copy strong,
.quality-scale-axis span {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
}
.quality-scale-copy span,
.quality-scale-axis span { color: var(--faint); }
.quality-scale-copy strong { color: var(--accent); font-size: 12px; }
.quality-scale {
  position: relative; height: 16px; background: rgba(255, 255, 255, 0.07);
  border-left: 1px solid var(--line-em); border-right: 1px solid var(--line-em);
}
.quality-scale::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 50%;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}
.quality-scale-fill {
  width: 0; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transition: width 1200ms 180ms cubic-bezier(0.22, 1, 0.36, 1);
}
.quality-scale-marker {
  position: absolute; left: 0; top: 0; width: 2px; height: 28px; background: var(--accent-bright);
  transform: translate(-1px, -6px);
  transition: left 1200ms 180ms cubic-bezier(0.22, 1, 0.36, 1);
}
.quality-scale-marker span {
  position: absolute; left: 50%; bottom: calc(100% + 5px); transform: translateX(-50%);
  padding: 3px 5px; background: var(--accent); color: #0b0b0b;
  font: 600 9px/1 var(--mono); letter-spacing: 0.06em; white-space: nowrap;
}
.quality-detail.is-visible .quality-scale-fill { width: 22.35%; }
.quality-detail.is-visible .quality-scale-marker { left: 22.35%; }
.quality-scale-axis { margin-top: 9px; }
.quality-cells {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 34px; border-top: 1px solid var(--line-panel); border-bottom: 1px solid var(--line-panel);
}
.quality-cell { padding: 20px 20px 20px 0; }
.quality-cell + .quality-cell { padding-left: 24px; border-left: 1px solid var(--line-panel); }
.quality-cell b {
  display: block; margin-bottom: 3px; font-size: clamp(27px, 3vw, 38px);
  font-weight: 800; font-variant-numeric: tabular-nums;
}
.quality-method { margin-top: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quality-method summary {
  padding: 14px 0; cursor: pointer; color: var(--muted);
  font: 600 10px/1.3 var(--mono); letter-spacing: 0.14em;
}
.quality-method summary:hover { color: var(--text); }
.quality-method p { max-width: 920px; padding: 0 0 16px; color: var(--muted); font-size: 13px; line-height: 1.65; }

/* ================= MANUFACTURER CREDIBILITY ================= */
.maker-head .sec-head-main { max-width: 760px; }
.maker-brand { display: grid; justify-items: end; gap: 14px; }
.maker-logo { width: min(290px, 100%); height: auto; object-fit: contain; }
.maker-panel { border: 1px solid var(--line-panel); background: var(--panel); }
.maker-metrics {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line-panel);
}
.maker-stat { padding: 28px 30px; border-right: 1px solid var(--line-panel); }
.maker-stat:last-child { border-right: none; }
.maker-stat b {
  display: block; margin-bottom: 5px; color: var(--accent);
  font-size: clamp(31px, 3.5vw, 50px); font-weight: 800; line-height: 1;
  letter-spacing: -0.035em; font-variant-numeric: tabular-nums;
}
.maker-stat-usd b { font-size: clamp(27px, 3vw, 44px); }
.currency-code { font-size: 0.7em; letter-spacing: 0.015em; }
.maker-operations {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  border-bottom: 1px solid var(--line-panel);
}
.maker-factory { position: relative; min-height: 286px; overflow: hidden; border-right: 1px solid var(--line-panel); }
.maker-factory::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(7, 8, 11, 0.88) 0%, rgba(7, 8, 11, 0.08) 62%);
  pointer-events: none;
}
.maker-factory > img { display: block; width: 100%; height: 100%; min-height: 286px; object-fit: cover; }
.maker-austone-badge {
  position: absolute; z-index: 2; top: 18px; left: 18px;
  display: flex; align-items: center; gap: 11px; padding: 9px 11px;
  background: rgba(7, 8, 11, 0.76); border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.maker-austone-badge img { display: block; width: auto; height: 15px; }
.maker-austone-badge span {
  color: var(--muted); font: 600 8px/1 var(--mono); letter-spacing: 0.11em;
  white-space: nowrap;
}
.maker-factory figcaption {
  position: absolute; z-index: 1; left: 24px; right: 24px; bottom: 20px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.11em;
}
.maker-factory figcaption span { color: var(--text); }
.maker-factory figcaption strong { color: var(--accent); font-size: 9px; text-align: right; }
.maker-footprint, .maker-oem { padding: 32px; }
.maker-label-row {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  margin-bottom: 18px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.12em;
}
.maker-label-row span { color: var(--muted); }
.maker-label-row strong { color: var(--accent); font-size: 10px; text-align: right; }
.maker-bases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.maker-base {
  position: relative; min-height: 142px; padding: 22px 18px;
  display: flex; flex-direction: column; justify-content: flex-end;
  border: 1px solid var(--line-em); border-right: 0;
  background: rgba(255, 255, 255, 0.012);
  transition: background-color 180ms ease, border-color 180ms ease;
}
.maker-base:last-child { border-right: 1px solid var(--line-em); }
.maker-base:hover { background: rgba(245, 179, 1, 0.045); border-color: rgba(245, 179, 1, 0.34); }
.maker-base-num {
  position: absolute; top: 12px; left: 14px;
  color: var(--accent); font: 500 10px/1 var(--mono); letter-spacing: 0.12em;
}
.maker-country-flag {
  position: absolute; top: 9px; right: 13px;
  font: 21px/1 "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  filter: saturate(0.92);
}
.maker-base b { font-size: 16px; letter-spacing: 0.03em; }
.maker-base small {
  margin-top: 5px; color: var(--muted);
  font: 400 9px/1.45 var(--mono); letter-spacing: 0.08em;
}
.maker-base-building { border-style: dashed; }
.maker-base-building small { color: var(--accent); }
.maker-oem {
  padding-top: 36px; padding-bottom: 38px;
  background: linear-gradient(135deg, rgba(245, 179, 1, 0.025), transparent 40%);
}
.oem-proof-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 34px;
  margin-bottom: 22px; padding-bottom: 24px; border-bottom: 1px solid var(--line-panel);
}
.oem-proof-copy { max-width: 820px; }
.oem-eyebrow {
  color: var(--accent); font: 600 10px/1 var(--mono); letter-spacing: 0.16em;
}
.oem-proof-copy h3 {
  margin-top: 10px; font-size: clamp(25px, 3vw, 38px); line-height: 1.08;
  letter-spacing: -0.025em;
}
.oem-proof-copy p { margin-top: 8px; color: var(--muted); font-size: 13.5px; line-height: 1.6; }
.oem-proof-count {
  flex: 0 0 190px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 14px;
  padding-left: 24px; border-left: 1px solid var(--line-panel);
}
.oem-proof-count b { color: var(--accent); font-size: 52px; line-height: 0.9; font-variant-numeric: tabular-nums; }
.oem-proof-count span { color: var(--text); font: 600 9px/1.5 var(--mono); letter-spacing: 0.1em; }
.oem-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.oem-logo-card {
  position: relative; min-height: 146px; padding: 20px 18px;
  display: grid; grid-template-columns: minmax(90px, 0.82fr) minmax(130px, 1.18fr); align-items: center;
  background: #eef0f3; border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 3px 0 transparent;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}
.oem-logo-card:hover,
.oem-logo-card.motion-item:hover { transform: translateY(-3px); background: #fff; box-shadow: inset 0 3px 0 var(--accent); }
.oem-card-index {
  position: absolute; top: 10px; right: 11px;
  color: #8a9099; font: 600 8px/1 var(--mono); letter-spacing: 0.1em;
}
.oem-logo-stage {
  min-width: 0; height: 72px; padding-right: 18px;
  display: flex; align-items: center; justify-content: center;
  border-right: 1px solid rgba(32, 36, 44, 0.14);
}
.oem-logo-stage img { width: 100%; height: 56px; object-fit: contain; }
.oem-logo-stage img[src*="sinotruk"] { height: 62px; }
.oem-card-copy { min-width: 0; padding-left: 18px; }
.oem-card-copy b { display: block; color: #20242c; font-size: 14px; line-height: 1.2; letter-spacing: 0.015em; }
.oem-card-copy span {
  display: block; margin-top: 7px; color: #666e7a;
  font: 600 8px/1.45 var(--mono); letter-spacing: 0.07em;
}
.source-disclosure {
  margin-top: 12px; color: var(--faint); font: 500 9px/1.5 var(--mono); letter-spacing: 0.1em;
}
.source-disclosure summary { width: fit-content; cursor: pointer; }
.source-disclosure p { margin-top: 8px; }
.source-disclosure a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.source-disclosure a:hover { color: var(--accent); }

/* ================= WHY ================= */
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 64px; align-items: center;
}
.why-grid h2 { margin-bottom: 8px; }
.why-row {
  display: grid; grid-template-columns: 44px 1fr; gap: 16px;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.why-row.last { border-bottom: none; }
.why-num { font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 3px; }
.why-row b { font-size: 16.5px; font-weight: 800; }
.why-row p { margin-top: 4px; color: var(--muted); font-size: 14.5px; line-height: 1.6; }
.stock-frame { position: relative; border: 1px solid var(--line-em); }
.stock-frame img { display: block; width: 100%; height: 480px; object-fit: cover; object-position: center 40%; }
.stock-scrim { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7, 8, 11, 0.55) 0%, transparent 40%); }
.stock-note { position: absolute; bottom: 14px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--text); }
.stock-note.note-l { left: 14px; }
.stock-note.note-r { right: 14px; }
.stock-note.accent { color: var(--accent); }

/* ================= MALAYSIA KEYWORD / SIZE GUIDE ================= */
.keyword-section .sec-head-main { max-width: 760px; }
.size-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-em); border-left: 1px solid var(--line-em);
}
.size-card {
  position: relative; min-height: 310px; padding: 34px 30px;
  display: flex; flex-direction: column;
  background: var(--panel); border-right: 1px solid var(--line-em); border-bottom: 1px solid var(--line-em);
  transition: background-color 180ms ease, transform 180ms ease;
}
.size-card:hover { background: #10131a; transform: translateY(-3px); }
.size-index {
  position: absolute; top: 18px; right: 20px;
  color: var(--faint); font: 600 10px/1 var(--mono); letter-spacing: 0.12em;
}
.size-eyebrow {
  padding-right: 34px; color: var(--accent);
  font: 600 10px/1.5 var(--mono); letter-spacing: 0.13em;
}
.size-card h3 {
  margin-top: 28px; font-size: clamp(32px, 3.5vw, 46px); line-height: 1;
  letter-spacing: -0.035em; font-variant-numeric: tabular-nums;
}
.size-card > p:not(.size-eyebrow) {
  margin-top: 18px; color: var(--muted); font-size: 14.5px; line-height: 1.65;
}
.size-card a {
  margin-top: auto; padding-top: 28px; color: var(--text);
  font: 600 10px/1.5 var(--mono); letter-spacing: 0.1em;
}
.size-card a:hover { color: var(--accent); }
.keyword-note {
  max-width: 900px; margin-top: 20px; color: var(--muted);
  font-size: 14px; line-height: 1.7;
}
.keyword-note a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 3px; }

/* ================= FAQ ================= */
.faq-layout {
  display: grid; grid-template-columns: minmax(280px, 0.8fr) minmax(420px, 1.2fr);
  gap: 72px; align-items: start;
}
.faq-intro { position: sticky; top: 112px; }
.faq-list { border-top: 1px solid var(--line-em); }
.faq-list details { border-bottom: 1px solid var(--line-em); }
.faq-list summary {
  position: relative; padding: 24px 48px 24px 0; cursor: pointer; list-style: none;
  font-size: 17px; font-weight: 700; line-height: 1.4;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; top: 23px; right: 4px;
  color: var(--accent); font: 500 21px/1 var(--mono);
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p {
  max-width: 700px; padding: 0 48px 24px 0;
  color: var(--muted); font-size: 14.5px; line-height: 1.75;
}
.data-methodology { margin-top: 18px; }
.data-methodology p { max-width: 920px; line-height: 1.75; }

/* ================= CONTACT ================= */
.contact-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 64px; align-items: start;
}
.contact-sub { margin-top: 16px; max-width: 440px; }
.detail-rows { margin-top: 34px; border-top: 1px solid var(--line); }
.detail-row {
  display: grid; grid-template-columns: 110px 1fr; gap: 14px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.detail-key { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--faint); padding-top: 3px; }
.detail-val { font-size: 14.5px; }
.detail-link { font-size: 14.5px; color: var(--accent); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.contact-map {
  position: relative; margin-top: 20px; height: 210px;
  border: 1px solid var(--line-panel); overflow: hidden; background: var(--panel);
}
.contact-map iframe {
  display: block; width: 100%; height: 100%; border: 0;
  filter: grayscale(1) invert(0.9) contrast(0.9);
}
.map-open {
  position: absolute; right: 10px; bottom: 10px; padding: 8px 10px;
  background: rgba(7, 8, 11, 0.9); border: 1px solid rgba(245, 179, 1, 0.4);
  color: var(--accent); font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em;
}

.lead-form { background: var(--panel); border: 1px solid var(--line-panel); padding: 36px; display: grid; gap: 20px; }
.ff { display: grid; gap: 8px; }
.ff label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--muted); }
.ff input, .ff select {
  background: var(--bg); color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 13px 14px; font-size: 15px; font-family: "Archivo", sans-serif;
  outline: none; width: 100%; border-radius: 0;
}
.ff input:focus, .ff select:focus { border-color: var(--accent); }
.btn-submit {
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em;
  background: var(--accent); color: #0b0b0b; border: none; padding: 17px; width: 100%;
}
.btn-submit:hover { background: var(--accent-bright); }
.form-stamp { margin-top: 0; text-align: center; }

/* ================= FOOTER ================= */
.footer { border-top: 1px solid var(--line); background: var(--bg-alt); }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 44px 32px;
  display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: center;
}
.footer-logo { height: 14px; opacity: 0.9; }
.footer-tag { margin-top: 10px; color: var(--muted); font-size: 13px; }
.footer-legal {
  max-width: 560px; text-align: right; font-family: var(--mono); font-size: 10px;
  line-height: 1.7; letter-spacing: 0.04em; color: var(--faint); text-transform: uppercase;
}
.mobile-whatsapp { display: none; }

/* ================= SCROLL MOTION ================= */
.motion-item {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.motion-item.is-visible { opacity: 1; transform: translateY(0); }
.featured.motion-item { transition-duration: 260ms; }
.featured.is-swapping { opacity: 0; transform: translateY(-10px) scale(0.99); }
.featured.is-entering { opacity: 0; transform: translateY(10px) scale(0.99); }

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .nav .brand-otk { font-size: 15px; }
  .nav .brand-austone { height: 18px; }
  .maker-head { align-items: flex-start; }
  .maker-brand { width: 100%; justify-items: start; }
  .maker-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .maker-stat:nth-child(2) { border-right: none; }
  .maker-stat:nth-child(-n+2) { border-bottom: 1px solid var(--line-panel); }
  .maker-operations { grid-template-columns: 1fr; }
  .maker-factory { border-right: none; border-bottom: 1px solid var(--line-panel); }
  .oem-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .size-grid { grid-template-columns: 1fr; }
  .size-card { min-height: 260px; }
  .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .faq-intro { position: static; }
}

@media (max-width: 700px) {
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .nav-inner { padding: 0 20px; gap: 12px; }
  .nav-cta { padding: 9px 14px; }
  .nav .brand { gap: 8px; }
  .nav .brand-otk { font-size: 13px; letter-spacing: 0.14em; }
  .nav .brand-x { font-size: 12px; }
  .nav .brand-austone { height: 14px; }
  .section { padding: 72px 20px; }
  .hero { padding: 108px 20px 48px; }
  .hero-grid { gap: 38px; }
  .hero-ctas { display: grid; grid-template-columns: 1fr; }
  .hero-ctas a { width: 100%; text-align: center; }
  .hero-plate { max-width: 300px; }
  .plate-note { font-size: 9px; }
  .stat-ledger { margin-top: 40px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-cell { padding: 18px 14px; }
  .stat-cell:nth-child(2) { border-right: none; }
  .stat-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat-cell b { font-size: 29px; }
  .stat-label { font-size: 10px; letter-spacing: 0.09em; }
  .chart-panel { padding: 28px 14px 18px; }
  .chart, .chart-axis { padding-left: 40px; gap: 4px; }
  .grid-line { left: 40px; }
  .chart-axis span:last-child { text-align: right; }
  .rank-instruction { align-items: flex-start; margin-top: -12px; line-height: 1.5; }
  .quality-panel { grid-template-columns: 1fr; }
  .quality-score { padding: 30px 24px; border-right: none; border-bottom: 1px solid var(--line-panel); }
  .quality-detail { padding: 34px 24px; }
  .quality-cells { grid-template-columns: 1fr; }
  .quality-cell { padding: 18px 0; }
  .quality-cell + .quality-cell { padding-left: 0; border-left: none; border-top: 1px solid var(--line-panel); }
  .quality-giant { font-size: clamp(66px, 24vw, 96px); }
  .maker-logo { width: 250px; }
  .maker-stat { padding: 22px 17px; }
  .maker-stat:nth-child(odd) { border-right: 1px solid var(--line-panel); }
  .maker-stat:nth-child(even) { border-right: none; }
  .maker-stat b { font-size: clamp(31px, 10vw, 40px); }
  .maker-stat-usd b { font-size: clamp(26px, 7vw, 31px); letter-spacing: -0.045em; }
  .maker-stat .stat-label { font-size: 8.5px; line-height: 1.5; }
  .maker-factory, .maker-factory > img { min-height: 220px; }
  .maker-austone-badge { top: 14px; left: 14px; gap: 8px; padding: 8px 9px; }
  .maker-austone-badge img { height: 13px; }
  .maker-austone-badge span { font-size: 7px; }
  .maker-factory figcaption { left: 16px; right: 16px; bottom: 14px; align-items: flex-start; flex-direction: column; gap: 5px; }
  .maker-factory figcaption strong { text-align: left; }
  .maker-footprint, .maker-oem { padding: 26px 24px; }
  .maker-label-row { align-items: flex-start; }
  .maker-bases { grid-template-columns: 1fr; }
  .maker-base { min-height: 104px; border-right: 1px solid var(--line-em); border-bottom: 0; }
  .maker-base:last-child { border-bottom: 1px solid var(--line-em); }
  .oem-proof-head { align-items: flex-start; flex-direction: column; gap: 18px; }
  .oem-proof-count {
    width: 100%; flex-basis: auto; padding: 16px 0 0; border-left: none; border-top: 1px solid var(--line-panel);
    grid-template-columns: auto auto; justify-content: start;
  }
  .oem-proof-count b { font-size: 42px; }
  .oem-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .oem-logo-card { min-height: 166px; padding: 14px; grid-template-columns: 1fr; align-content: center; }
  .oem-card-index { top: 8px; right: 9px; }
  .oem-logo-stage { height: 68px; padding: 0 0 11px; border-right: none; border-bottom: 1px solid rgba(32, 36, 44, 0.14); }
  .oem-logo-stage img { height: 46px; }
  .oem-logo-stage img[src*="sinotruk"] { height: 52px; }
  .oem-card-copy { padding: 11px 0 0; }
  .oem-card-copy b { font-size: 12.5px; }
  .size-card { min-height: 240px; padding: 28px 24px; }
  .size-card h3 { font-size: 34px; }
  .faq-list summary { padding-right: 36px; font-size: 15.5px; }
  .faq-list details p { padding-right: 24px; }
  /* leaderboard stacks: hide header, rows become 2-line cards */
  .lb-head { display: none; }
  .lb-row {
    grid-template-columns: 44px 60px 1fr;
    grid-template-areas: "rank thumb name" "rank thumb units" "rank thumb minis";
    row-gap: 8px;
  }
  .lb-rank { grid-area: rank; }
  .lb-thumb { grid-area: thumb; }
  .lb-pattern { grid-area: name; }
  .lb-unitcell { grid-area: units; }
  .lb-minis { grid-area: minis; display: flex; gap: 24px; }
  .footer-legal { text-align: left; }
  .mobile-whatsapp {
    position: fixed; display: flex; left: 0; right: 0; bottom: 0; z-index: 60;
    min-height: calc(64px + env(safe-area-inset-bottom));
    padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
    align-items: center; justify-content: space-between; gap: 18px;
    background: var(--accent); color: #0b0b0b;
    box-shadow: 0 -12px 36px rgba(0, 0, 0, 0.38);
    font-family: var(--mono); letter-spacing: 0.1em;
    transform: translateY(105%); visibility: hidden; pointer-events: none;
    transition: transform 180ms ease, visibility 180ms ease;
  }
  .mobile-whatsapp.is-visible { transform: translateY(0); visibility: visible; pointer-events: auto; }
  .mobile-whatsapp:hover { background: var(--accent-bright); color: #0b0b0b; }
  .mobile-whatsapp span { font-size: 10px; }
  .mobile-whatsapp strong { font-size: 11px; white-space: nowrap; }
}

/* ================= MOTION / STATIC ================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-grid > div:first-child > *, .hero-plate, .plate-dash, .plate-tyre img { animation: none; }
  .mobile-whatsapp { transition: none; }
  .motion-badge i { box-shadow: none; }
}
/* ?static=1 — screenshot/review tooling */
.static-mode { scroll-behavior: auto; }
.static-mode .hero-grid > div:first-child > *,
.static-mode .hero-plate,
.static-mode .plate-dash,
.static-mode .plate-tyre img { animation: none; }

.motion-disabled .motion-item { opacity: 1; transform: none; transition: none; }
.motion-disabled .lb-fill { width: var(--bar-width); transition: none; }
.motion-disabled .bar { height: var(--bar-height); transition: none; }
.motion-disabled .meter-fill { width: 78.2%; transition: none; }
.motion-disabled .quality-scale-fill { width: 22.35%; transition: none; }
.motion-disabled .quality-scale-marker { left: 22.35%; transition: none; }
.motion-disabled .featured { transition: none; }