/* ============================================================
   Panovation 创崎新能源 — Design System (Direction C)
   Light · brand amber #ffbc00 · ink #16181c · kii.am whitespace
   UX rules baked in: AA contrast, 8px spacing, type scale,
   reduced-motion, focus states, tabular figures.
   ============================================================ */

:root {
  /* color — stitch refined */
  --bg: #f5f8fa;
  --bg-alt: #eaf0f6;
  --dark: #0d1117;
  --ink: #1a1c1e;
  --ink-2: #656a72;
  --ink-on-dark: #f1f3f6;
  --ink-2-on-dark: #9aa2ad;
  --line: #dbe3ed;
  --line-dark: #2a2f38;
  --amber: #0055b3;
  --amber-deep: #003b7e;
  --amber-soft: #e8f0fd;
  --surface-card: #fcfdfe;
  --surface-field: #ffffff;
  --surface-chip: rgba(255,255,255,.82);
  --surface-chip-strong: rgba(255,255,255,.92);
  --viewer-bg: #f5f8fa;
  --header-bg: rgba(255,255,255,.84);
  --blue-glow: rgba(0,85,179,.10);
  --active-bg: #1a1c1e;
  --active-fg: #ffffff;
  --feature-bg: #13171d;
  --feature-fg: #ffffff;
  --feature-muted: rgba(255,255,255,.70);
  --soft-grid: rgba(26,28,30,.07);
  --metal-a: #eef3f8;
  --metal-b: #dde5f0;
  --ai-bg: #eaf7fc;
  --ai-panel: #f7fcff;
  --product-bg: #f8f2ea;
  --product-panel: #fefaf5;
  --validation-bg: #0d1622;
  --validation-panel: #152030;
  --application-bg: #edf7f0;
  --application-panel: #f6fcf7;
  --customer-bg: #fef8ee;
  --contact-bg: #e9f2ff;
  --orange-accent: #ee4800;
  --green-accent: #2d8a5f;
  --cyan-accent: #009fb8;
  --graphite-accent: #31485c;
  /* Premium glass — multi-layer depth */
  --glass-bg: rgba(255,255,255,.48);
  --glass-bg-strong: rgba(255,255,255,.78);
  --glass-bg-heavy: rgba(255,255,255,.92);
  --glass-bg-frost: rgba(255,255,255,.60);
  --glass-border: rgba(255,255,255,.64);
  --glass-border-strong: rgba(255,255,255,.80);
  --glass-line: rgba(0,85,179,.12);
  --glass-shadow: 0 8px 32px rgba(26,42,64,.06), 0 2px 6px rgba(0,0,0,.02), inset 0 1px 0 rgba(255,255,255,.86);
  --glass-shadow-deep: 0 18px 60px rgba(26,42,64,.08), 0 4px 14px rgba(0,0,0,.03), inset 0 1px 0 rgba(255,255,255,.88);
  --glass-shadow-hover: 0 24px 72px rgba(26,42,64,.12), 0 6px 20px rgba(0,0,0,.04), inset 0 1px 0 rgba(255,255,255,.92);
  --glass-blur: saturate(1.6) blur(28px);
  --glass-blur-deep: saturate(1.8) blur(40px);
  /* Glow accents */
  --glow-blue: 0 0 60px rgba(0,85,179,.12), 0 0 120px rgba(0,85,179,.06);
  --glow-orange: 0 0 60px rgba(238,72,0,.10), 0 0 120px rgba(238,72,0,.05);
  --glow-cyan: 0 0 60px rgba(0,159,184,.10), 0 0 100px rgba(0,159,184,.05);
  --glow-amber: 0 0 60px rgba(0,85,179,.16), 0 0 140px rgba(0,85,179,.08);

  /* spacing (8pt) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px;

  /* type scale */
  --t-xs: 0.75rem; --t-sm: 0.875rem; --t-base: 1rem; --t-md: 1.125rem;
  --t-lg: 1.375rem; --t-xl: 1.875rem; --t-2xl: 2.5rem; --t-3xl: 3.5rem;

  --radius: 24px;
  --radius-sm: 999px;
  --container: 1360px;
  --page-gutter: var(--s-5);
  --shadow-sm: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.05);
  --shadow: 0 20px 48px rgba(0,0,0,.045);
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-latin: 'Inter', system-ui, sans-serif;
  --font-cjk: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-jp: 'Hiragino Sans', 'Yu Gothic', 'Noto Sans JP', sans-serif;
  --font: var(--font-latin), var(--font-cjk);
}

:root[data-theme="dark"] {
  --bg: #06080a;
  --bg-alt: #0f161f;
  --dark: #000000;
  --ink: #f3f4f6;
  --ink-2: #b0b6c0;
  --ink-on-dark: #f3f4f6;
  --ink-2-on-dark: #a6aeba;
  --line: #23272e;
  --line-dark: #2e323c;
  --amber: #3b9eff;
  --amber-deep: #72baff;
  --amber-soft: #061a30;
  --surface-card: #13161a;
  --surface-field: #0c0e12;
  --surface-chip: rgba(18,21,27,.80);
  --surface-chip-strong: rgba(23,26,33,.92);
  --viewer-bg: #040506;
  --header-bg: rgba(6,6,8,.76);
  --blue-glow: rgba(59,158,255,.16);
  --active-bg: #f3f4f6;
  --active-fg: #06080a;
  --feature-bg: #13161a;
  --feature-fg: #f3f4f6;
  --feature-muted: #b0b6c0;
  --soft-grid: rgba(243,244,246,.10);
  --metal-a: #0e151f;
  --metal-b: #152029;
  --ai-bg: #081a23;
  --ai-panel: #0f2332;
  --product-bg: #1b1611;
  --product-panel: #231c14;
  --validation-bg: #05080c;
  --validation-panel: #0e1621;
  --application-bg: #0a1912;
  --application-panel: #102319;
  --customer-bg: #1f170c;
  --contact-bg: #06182b;
  --orange-accent: #ff6e30;
  --green-accent: #52c088;
  --cyan-accent: #3ed4ee;
  --graphite-accent: #98aec4;
  /* Premium glass — dark mode depth */
  --glass-bg: rgba(12,16,22,.56);
  --glass-bg-strong: rgba(18,22,30,.74);
  --glass-bg-heavy: rgba(22,28,36,.88);
  --glass-bg-frost: rgba(14,18,24,.62);
  --glass-border: rgba(255,255,255,.10);
  --glass-border-strong: rgba(255,255,255,.16);
  --glass-line: rgba(59,158,255,.14);
  --glass-shadow: 0 8px 32px rgba(0,0,0,.28), 0 2px 6px rgba(0,0,0,.14), inset 0 1px 0 rgba(255,255,255,.05);
  --glass-shadow-deep: 0 18px 60px rgba(0,0,0,.34), 0 4px 14px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.06);
  --glass-shadow-hover: 0 26px 84px rgba(0,0,0,.36), 0 6px 20px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.08);
  --glow-blue: 0 0 80px rgba(59,158,255,.14), 0 0 160px rgba(59,158,255,.06);
  --glow-orange: 0 0 80px rgba(255,110,48,.12), 0 0 160px rgba(255,110,48,.05);
  --glow-cyan: 0 0 80px rgba(62,212,238,.12), 0 0 140px rgba(62,212,238,.05);
  --glow-amber: 0 0 80px rgba(59,158,255,.18), 0 0 180px rgba(59,158,255,.08);
  --shadow: 0 22px 72px rgba(0,0,0,.32);
  color-scheme: dark;
}
:root[data-theme="dark"] .brand-logo,
:root[data-theme="dark"] .footer-logo { filter: none; }
:root[data-theme="dark"] .motor-film { filter: contrast(1.04) saturate(.96) brightness(.92); }

html:lang(ja) { --font: var(--font-latin), var(--font-jp); }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
  background: var(--bg);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--t-base);
  line-height: 1.65;
  color: var(--ink);
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg) 42%, var(--bg-alt) 100%);
  -webkit-font-smoothing: antialiased;
  transition: background .28s var(--ease), color .28s var(--ease);
}

h1, h2, h3 { line-height: 1.12; letter-spacing: 0; font-weight: 750; margin: 0; }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3,
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { letter-spacing: 0; line-height: 1.25; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.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;
}
.skip-link {
  position: absolute; left: var(--s-4); top: -60px; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: var(--s-4); }

:focus-visible { outline: 3px solid var(--amber-deep); outline-offset: 2px; border-radius: 4px; }

/* ============================================================
   Premium Keyframe Animations
   ============================================================ */
/* Floating — subtle vertical drift for cards and panels */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
@keyframes float-wide {
  0%, 100% { transform: translateY(0) translateX(0); }
  33% { transform: translateY(-5px) translateX(2px); }
  66% { transform: translateY(-3px) translateX(-2px); }
}
/* Breathing glow pulse — for CTAs and glass overlays */
@keyframes breathe-glow {
  0%, 100% { box-shadow: var(--glow-amber); opacity: 1; }
  50% { box-shadow: 0 0 100px rgba(0,85,179,.22), 0 0 200px rgba(0,85,179,.10); opacity: .92; }
}
@keyframes breathe-blue {
  0%, 100% { box-shadow: var(--glow-blue); }
  50% { box-shadow: 0 0 80px rgba(0,85,179,.18), 0 0 160px rgba(0,85,179,.08); }
}
@keyframes breathe-cyan {
  0%, 100% { box-shadow: var(--glow-cyan); }
  50% { box-shadow: 0 0 80px rgba(0,159,184,.16), 0 0 140px rgba(0,159,184,.07); }
}
/* Shimmer sweep — glass surface light reflection */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
/* Parallax depth — slow drift for background elements */
@keyframes parallax-drift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-1%, -1%) scale(1.02); }
  100% { transform: translate(0, 0) scale(1); }
}
/* Gentle scale pulse */
@keyframes pulse-soft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}
/* Fade-up entrance */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* Gradient border rotate */
@keyframes border-glow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
/* Reduce all animations for motion-sensitive users */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Parallax depth — used in JS with data-parallax
   ============================================================ */
[data-parallax] {
  will-change: transform;
  transition: transform .12s linear;
}
/* Hero radial glow enhancement */
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.hero[class*="apple-hero"]::after {
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(0,85,179,.08) 0%, transparent 50%),
    radial-gradient(ellipse at 30% 70%, rgba(238,72,0,.06) 0%, transparent 40%);
  z-index: 0;
}

/* ---------- layout primitives ---------- */
.section {
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--s-10) var(--s-5);
}
/* Full-bleed background that keeps content aligned with normal sections */
.section-alt, .section-dark { position: relative; }
.section-alt::before, .section-dark::before {
  content: ""; position: absolute; z-index: -1; top: 0; bottom: 0;
  left: 50%; width: 100vw; transform: translateX(-50%);
}
.section-alt::before { background: var(--bg-alt); }
#product.section-alt::before {
  background:
    radial-gradient(circle at 86% 0%, rgba(238,72,0,.08), transparent 30%),
    linear-gradient(180deg, var(--product-bg), var(--bg));
}
#applications.section-alt::before {
  background:
    radial-gradient(circle at 16% 0%, rgba(47,143,100,.12), transparent 34%),
    linear-gradient(180deg, var(--application-bg), var(--bg));
}
.company-proof.section-alt::before {
  background:
    radial-gradient(circle at 85% 8%, rgba(52,73,94,.10), transparent 34%),
    linear-gradient(180deg, #eef2f5, var(--bg));
}
.section-head { max-width: 760px; margin-bottom: var(--s-7); }
.eyebrow {
  font-family: var(--font-latin);
  font-size: var(--t-xs); font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--amber-deep); margin-bottom: var(--s-3);
}
h2 { font-size: var(--t-2xl); }
.lede { font-size: var(--t-md); color: var(--ink-2); margin-top: var(--s-4); max-width: 62ch; }
.note { font-size: var(--t-sm); color: var(--ink-2); margin-top: var(--s-6); max-width: 70ch; }
.product-platform-head {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(320px, 1.1fr);
  gap: clamp(18px, 3vw, 48px);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 52px);
}
.product-platform-head h2 {
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.08;
}
.product-platform-head .lede {
  margin-top: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.58;
}

/* ---------- buttons (premium glass + glow) ---------- */
.button {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-family: var(--font); font-weight: 620; font-size: var(--t-sm);
  padding: 12px 26px; border-radius: 999px; cursor: pointer;
  border: 1.5px solid transparent; 
  transition: transform .22s cubic-bezier(.22,.61,.36,1), background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
  min-height: 44px; letter-spacing: .01em;
  position: relative;
  overflow: hidden;
}
/* Glass shimmer overlay on buttons */
.button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, 
    transparent 30%, 
    rgba(255,255,255,.12) 45%, 
    rgba(255,255,255,.20) 50%, 
    rgba(255,255,255,.12) 55%, 
    transparent 70%);
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.button:hover::after { opacity: 1; animation: shimmer 1.8s ease-in-out infinite; }
.button svg { transition: transform .22s var(--ease); position: relative; z-index: 1; }
.button:hover svg { transform: translateX(3px); }
.button.primary { 
  background: var(--amber); color: #fff; 
  box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 4px 14px rgba(0,85,179,.24), 0 0 0 rgba(0,85,179,0);
  animation: breathe-glow 4s ease-in-out infinite; 
}
.button.primary:hover { 
  background: var(--amber-deep); 
  transform: translateY(-2px); 
  box-shadow: 0 2px 4px rgba(0,0,0,.10), 0 10px 28px rgba(0,85,179,.36), 0 0 60px rgba(0,85,179,.08);
  filter: brightness(1.05);
}
.button.ghost { 
  background: var(--glass-bg-frost); color: var(--ink); 
  border-color: var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.button.ghost:hover { 
  border-color: var(--amber); color: var(--amber-deep); 
  transform: translateY(-1px); 
  background: var(--glass-bg-strong);
  box-shadow: var(--glass-shadow);
}

/* ---------- header (premium glass) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-5); padding: var(--s-3) var(--s-5);
  background:
    linear-gradient(180deg, var(--glass-bg-heavy) 0%, var(--glass-bg-strong) 60%, var(--glass-bg) 100%);
  backdrop-filter: var(--glass-blur-deep);
  -webkit-backdrop-filter: var(--glass-blur-deep);
  border-bottom: 1px solid var(--glass-border-strong);
  box-shadow: 0 1px 0 rgba(255,255,255,.40) inset, 0 8px 40px rgba(31,45,61,.06);
  transition: background .3s var(--ease);
}
.brand {
  display: flex; align-items: center;
  transform-origin: left center;
  animation: brandSettle .72s var(--ease) both;
}
.brand-logo {
  height: 42px; width: auto; display: block;
  transition: transform .28s var(--ease), filter .28s var(--ease);
}
.brand:hover .brand-logo { transform: translateY(-1px) scale(1.018); }
@keyframes brandSettle {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px; background: var(--ink); color: var(--amber);
  display: grid; place-items: center; font-weight: 800; font-size: 1.25rem; font-family: var(--font-latin);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: var(--t-base); font-family: var(--font-latin); letter-spacing: -.01em; }
.brand-text small { font-size: var(--t-xs); color: var(--ink-2); }
.site-nav { display: flex; align-items: center; gap: var(--s-5); }
.site-nav > a { font-size: var(--t-sm); font-weight: 500; color: var(--ink-2); transition: color .15s var(--ease); }
.site-nav > a:hover { color: var(--ink); }
.site-nav > a.is-active { color: var(--ink); font-weight: 600; }
.nav-cta { color: var(--active-fg) !important; font-weight: 650 !important; background: var(--active-bg); padding: 10px 17px; border-radius: 999px; }
.nav-cta:hover { background: var(--amber-deep); color: #fff !important; }

.lang-switch { display: flex; gap: 2px; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-link { font-size: var(--t-xs); font-weight: 600; padding: 5px 11px; border-radius: 999px; color: var(--ink-2); font-family: var(--font-latin); }
.lang-link.is-active { background: var(--active-bg); color: var(--active-fg); }

.theme-toggle {
  width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--glass-bg-strong); color: var(--ink); display: inline-grid; place-items: center;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  cursor: pointer; position: relative; flex-shrink: 0; transition: transform .15s var(--ease), border-color .15s var(--ease);
}
.theme-toggle:hover { transform: translateY(-1px); border-color: var(--ink); }
.theme-toggle-sun, .theme-toggle-moon {
  position: absolute; width: 16px; height: 16px; border-radius: 50%;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.theme-toggle-sun {
  background: currentColor;
  box-shadow: 0 -7px 0 -5px currentColor, 0 7px 0 -5px currentColor, 7px 0 0 -5px currentColor, -7px 0 0 -5px currentColor;
}
.theme-toggle-moon {
  border: 2px solid currentColor; transform: translateX(2px) rotate(-18deg); opacity: 0;
}
:root[data-theme="dark"] .theme-toggle-sun { opacity: 0; transform: scale(.6) rotate(45deg); }
:root[data-theme="dark"] .theme-toggle-moon { opacity: 1; transform: none; }

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; flex-direction: column; gap: 5px; justify-content: center; align-items: center; cursor: pointer; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); transition: .2s var(--ease); }

/* ---------- marquee banner ---------- */
.marquee-banner {
  position: relative;
  z-index: 99;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
  background:
    linear-gradient(90deg, var(--glass-bg-heavy) 0%, var(--glass-bg-frost) 15%, var(--glass-bg-frost) 85%, var(--glass-bg-heavy) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  white-space: nowrap;
  height: 42px;
  display: flex;
  align-items: center;
  mask-image: linear-gradient(90deg, transparent 0%, #000 4%, #000 96%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 4%, #000 96%, transparent 100%);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 0;
  animation: marqueeScroll 40s linear infinite;
  will-change: transform;
}
.marquee-track span {
  display: inline-block;
  padding: 0 18px;
  font-family: var(--font);
  font-size: var(--t-xs);
  font-weight: 550;
  color: var(--ink);
  letter-spacing: .04em;
  white-space: nowrap;
}
.marquee-dot {
  display: inline-block;
  color: var(--amber-deep);
  font-weight: 700;
  font-size: var(--t-sm);
  opacity: .54;
  padding: 0 2px;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
/* Pause on hover for accessibility */
.marquee-banner:hover .marquee-track {
  animation-play-state: paused;
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- hero (stitch refined) ---------- */
.hero {
  max-width: var(--container); margin-inline: auto;
  background: var(--bg);
  padding: clamp(72px, 8vw, 112px) var(--s-5) var(--s-8); text-align: center;
}
.product-hero {
  --explode: 0;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
  align-items: center;
  gap: clamp(28px, 3.5vw, 58px);
  min-height: calc(100vh - 68px);
  padding-top: clamp(48px, 6vh, 86px);
  padding-bottom: clamp(28px, 4vh, 52px);
  text-align: left;
  overflow: hidden;
}
.product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  width: auto;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(245,248,250,.97) 0%, rgba(245,248,250,.90) 28%, rgba(245,248,250,.64) 55%, rgba(245,248,250,.54) 100%),
    radial-gradient(circle at 74% 40%, rgba(0,85,179,.12), transparent 28%),
    radial-gradient(circle at 26% 0%, rgba(238,72,0,.08), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(234,240,246,.18)),
    url('/assets/application-machinery.webp');
  background-size: auto, auto, auto, auto, cover;
  background-position: center, 74% 40%, 26% 0%, center, center;
  border-bottom-right-radius: 0;
}
.hero-copy { max-width: 860px; margin-inline: auto; }
.product-hero .hero-copy { max-width: 560px; margin-inline: 0; position: relative; z-index: 2; }
.hero-copy h1 { font-size: clamp(46px, 5.4vw, 74px); line-height: 1.06; margin: var(--s-2) 0 var(--s-4); font-weight: 750; letter-spacing: -.01em; }
.product-hero .hero-copy h1 { font-size: clamp(42px, 4.4vw, 68px); line-height: 1.04; margin: var(--s-2) 0 var(--s-4); max-width: 8.2em; }
:lang(zh) .hero-copy h1, :lang(ja) .hero-copy h1 { line-height: 1.20; }
.hero-copy h1 span { display: block; }
:lang(zh) .hero-copy h1 span { white-space: normal; }
.hero-copy h1 .accent { color: #10355c; }
.hero-sub { font-size: 18px; color: var(--ink-2); max-width: 48ch; margin-inline: auto; line-height: 1.55; }
.product-hero .hero-sub { margin-inline: 0; font-size: clamp(16px, 1.2vw, 18px); max-width: 36ch; color: #3e4e62; }
.hero-actions { display: flex; gap: var(--s-3); margin-top: var(--s-5); flex-wrap: wrap; justify-content: center; }
.product-hero .hero-actions { justify-content: flex-start; }
.hero-specs {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 8px;
  margin: var(--s-6) auto 0; max-width: 900px;
}
.product-hero .hero-specs { justify-content: flex-start; margin-inline: 0; max-width: 620px; }
.hero-specs span {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 38px; padding: 8px 14px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface-card); color: var(--ink-2); font-size: var(--t-sm);
  box-shadow: 0 14px 36px rgba(29,29,31,.045);
}
.hero-specs b {
  color: var(--ink); font-family: var(--font-latin); font-size: var(--t-xs);
  letter-spacing: .08em; text-transform: uppercase;
}
.hero-theater {
  position: relative;
  z-index: 1;
  min-width: 0;
  width: 100%;
  margin-inline: auto;
}
.theater-panel {
  position: relative;
  min-height: clamp(520px, 66vh, 760px);
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid rgba(255,255,255,.58);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.68), rgba(255,255,255,.36)),
    radial-gradient(ellipse at 50% 62%, rgba(0,85,179,.12), transparent 42%),
    radial-gradient(circle at 78% 0%, rgba(238,72,0,.08), transparent 28%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 40px 100px rgba(23,40,63,.10);
  overflow: hidden;
}
.theater-panel::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.66);
  pointer-events: none;
}
.theater-panel::after {
  content: "";
  position: absolute;
  inset: auto 12% 4% 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(17,24,39,.16), transparent);
  opacity: .42;
}
.hero-stage-header {
  position: absolute;
  left: clamp(24px, 3vw, 34px);
  right: clamp(24px, 3vw, 34px);
  top: clamp(24px, 3vw, 34px);
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: #23364c;
  font-family: var(--font-latin);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 700;
}

/* ---------- product theater / teardown (stitch refined) ---------- */
.teardown {
  position: relative;
  height: 200vh;
  --explode: 0;
  background:
    radial-gradient(circle at 50% 18%, rgba(0,85,179,.06), transparent 30%),
    linear-gradient(180deg, #fafbfc 0%, #f5f8fa 100%);
}
.teardown-compact {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(280px, .9fr) 1fr;
  align-items: end;
  gap: var(--s-7);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid color-mix(in srgb, var(--cyan-accent) 22%, var(--line));
  border-radius: 24px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--glass-bg-strong) 82%, white), color-mix(in srgb, var(--ai-bg) 42%, transparent));
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.teardown-compact h2 {
  font-size: clamp(30px, 4vw, 54px);
  max-width: 720px;
}
.teardown-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}
.teardown-links a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  background: var(--glass-bg-strong);
  color: var(--ink);
  font-size: var(--t-sm);
  font-weight: 700;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}
.teardown-links a:hover { transform: translateY(-1px); border-color: var(--cyan-accent); }

.proof-strip {
  max-width: var(--container);
  margin: calc(var(--s-5) * -1) auto var(--s-7);
  padding: 0 var(--s-5);
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-3);
}
.proof-strip article {
  min-height: 90px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--s-4) var(--s-5);
  border: 1px solid var(--glass-border-strong);
  border-top: 2.5px solid var(--amber);
  border-radius: 16px;
  background:
    linear-gradient(175deg, var(--glass-bg-heavy) 0%, var(--glass-bg) 100%);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .30s var(--ease), box-shadow .30s var(--ease);
  animation: float 6s ease-in-out infinite;
}
.proof-strip article:nth-child(2) { animation-delay: -1.5s; border-top-color: var(--cyan-accent); }
.proof-strip article:nth-child(3) { animation-delay: -3s; border-top-color: var(--orange-accent); }
.proof-strip article:nth-child(4) { animation-delay: -4.5s; border-top-color: var(--green-accent); }
.proof-strip article:hover { 
  transform: translateY(-4px); 
  box-shadow: var(--glass-shadow-hover);
  animation-play-state: paused;
}
.proof-strip strong {
  font-family: var(--font-latin);
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.12;
  color: var(--ink);
  font-weight: 720;
}
.proof-strip span { margin-top: 4px; color: var(--ink-2); font-size: var(--t-sm); line-height: 1.35; }
:root[data-theme="dark"] .teardown-compact,
:root[data-theme="dark"] .proof-strip article,
:root[data-theme="dark"] .theater-panel {
  background: rgba(20,22,28,.78);
}
.teardown-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: var(--s-6) var(--s-5);
  isolation: isolate;
}
.viewer-label {
  position: relative;
  z-index: 4;
  font-family: var(--font-latin);
  font-size: var(--t-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
  margin: 0 0 var(--s-2);
  background: var(--surface-chip-strong);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 13px;
  box-shadow: 0 18px 54px rgba(29,29,31,.06);
}
.product-hero .viewer-label {
  left: clamp(18px, 3vw, 34px);
  top: clamp(18px, 3vw, 34px);
}
.viewer-stage {
  position: relative;
  left: auto;
  top: auto;
  width: min(1180px, 92vw);
  aspect-ratio: 16 / 9;
  height: auto;
  margin: 0 auto;
  overflow: hidden;
  border-radius: calc(22px + (1 - var(--explode)) * 14px);
  background: #ffffff;
  background-color: #ffffff;
  border: 1px solid rgba(215,222,231,.72);
  box-shadow: 0 30px 90px rgba(17,24,39,.08);
  transform:
    translateY(calc((1 - var(--explode)) * 14px))
    scale(calc(.94 + var(--explode) * .06));
  transform-origin: center;
  transition: transform .18s linear, border-radius .18s linear;
}
.product-hero .viewer-stage {
  position: relative;
  left: auto;
  top: auto;
  width: 100%;
  height: clamp(420px, 54vh, 620px);
  margin-top: 0;
  border-radius: 22px;
  background: transparent;
  overflow: hidden;
  transform:
    translateY(calc((1 - var(--explode)) * 4px))
    scale(calc(.985 + var(--explode) * .015));
}
.viewer-stage::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 45%, rgba(0,85,179,.055), transparent 34%),
    linear-gradient(90deg, rgba(255,255,255,.98), rgba(255,255,255,.08) 34%, rgba(255,255,255,.08) 66%, rgba(255,255,255,.98)),
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.08) 38%, rgba(255,255,255,.98));
  pointer-events: none; z-index: 1;
}
.explode-stack {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.92), rgba(248,244,239,.88) 62%, rgba(238,232,224,.72));
}
.explode-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  image-rendering: auto;
  transform-origin: center;
  will-change: opacity, transform;
  transition: opacity .18s linear, transform .18s linear;
}
.explode-assembled {
  opacity: calc(1 - var(--explode));
  transform:
    translateX(calc(var(--explode) * -3%))
    scale(calc(.96 + var(--explode) * .04));
}
.explode-exploded {
  opacity: var(--explode);
  transform:
    translateX(calc((1 - var(--explode)) * 3%))
    scale(calc(.92 + var(--explode) * .10));
}
.motor-film {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: transparent;
  transform: none;
  filter: none;
  transition: transform .18s linear;
}
.hero-render {
  display: block;
  width: min(960px, 100%);
  max-width: none;
  margin: 0 auto;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 38px 90px rgba(23,40,63,.16));
  transform: scale(1.06);
}
.product-hero .motor-film {
  object-fit: contain;
  transform: scaleX(-1) scale(1);
  filter: drop-shadow(0 30px 70px rgba(17,24,39,.12));
}
.hero-image-stage::before {
  background:
    radial-gradient(circle at 50% 50%, rgba(0,85,179,.08), transparent 34%),
    radial-gradient(circle at 70% 28%, rgba(240,75,0,.07), transparent 22%);
}
.viewer-sheen {
  position: absolute; inset: auto 12% clamp(26px, 7vh, 76px) 12%; height: 1px; z-index: 2;
  background: linear-gradient(90deg, transparent, rgba(17,24,39,.25), transparent);
  opacity: calc(.16 + var(--explode) * .24);
}
.product-hero .viewer-sheen {
  inset: auto 18% 8% 18%;
  opacity: .22;
}
.hero-callouts {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.hero-callout {
  position: absolute;
  display: grid;
  gap: 2px;
  min-width: 152px;
  padding: 12px 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.66));
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 20px 50px rgba(17,24,39,.10);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.hero-callout b {
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #113965;
}
.hero-callout span { font-size: 12px; line-height: 1.35; color: #566577; }
.callout-motor { left: 2%; top: 21%; }
.callout-controller { right: 3%; top: 18%; }
.callout-power { left: 10%; bottom: 16%; }
.callout-ai { right: 8%; bottom: 12%; }
.hero-platform-tags span { background: rgba(255,255,255,.78); }

/* per-part spotlight, positioned by JS (left/top %) */
.viewer-focus {
  position: absolute; left: 50%; top: 50%; width: 86px; height: 86px; margin: -43px 0 0 -43px;
  border: 1.5px solid rgba(0,85,179,.82); border-radius: 50%; opacity: 0; z-index: 3;
  background: rgba(0,85,179,.08); pointer-events: none;
  transition: left .55s var(--ease), top .55s var(--ease), opacity .3s var(--ease);
}
.viewer-focus.is-on { opacity: 1; animation: focusPulse 1.8s ease-out infinite; }
@keyframes focusPulse {
  0% { box-shadow: 0 0 0 0 rgba(0,85,179,.35); }
  70%, 100% { box-shadow: 0 0 0 22px rgba(0,85,179,0); }
}
@media (prefers-reduced-motion: reduce) { .viewer-focus.is-on { animation: none; } }
.viewer-hotspots {
  position: absolute; inset: 0; z-index: 4;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s var(--ease);
}
.teardown.is-exploded .viewer-hotspots {
  opacity: 1;
  pointer-events: auto;
}
.viewer-hotspot {
  position: absolute; display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); pointer-events: auto;
  transform: translate(-50%, -50%);
  border: 0;
  padding: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
}
.hotspot-casing { left: 24%; top: 52%; }
.hotspot-stator { left: 45%; top: 45%; }
.hotspot-rotor { left: 64%; top: 50%; }
.hotspot-controller { left: 77%; top: 38%; }
.viewer-hotspot::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 50%;
  width: 54px;
  height: 1px;
  background: linear-gradient(90deg, rgba(0,85,179,.62), transparent);
  transform: translateX(-100%);
  opacity: .72;
}
.hotspot-dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--amber);
  box-shadow: 0 0 0 7px rgba(0,85,179,.12), 0 0 0 1px rgba(255,255,255,.7);
  animation: hotspotPulse 2.2s var(--ease) infinite;
}
.hotspot-label {
  display: grid; gap: 1px;
  min-width: 118px; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface-chip-strong); backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(17,24,39,.08);
  transform: translateY(0); transition: transform .18s var(--ease), border-color .18s var(--ease);
}
.viewer-hotspot:hover .hotspot-label { transform: translateY(-2px); border-color: var(--amber); }
.viewer-hotspot.is-active .hotspot-label {
  border-color: var(--amber);
  color: var(--ink);
  box-shadow: 0 18px 54px rgba(0,85,179,.16);
}
.viewer-hotspot.is-active .hotspot-dot {
  background: var(--orange-accent);
  box-shadow: 0 0 0 8px rgba(238,72,0,.12), 0 0 0 1px rgba(255,255,255,.8);
}
.hotspot-label b {
  font-family: var(--font-latin); font-size: 11px; line-height: 1.1;
  letter-spacing: .1em; text-transform: uppercase;
}
.hotspot-label em {
  font-style: normal; font-size: 12px; line-height: 1.2; color: var(--ink-2);
}
@keyframes hotspotPulse {
  0% { box-shadow: 0 0 0 0 rgba(0,85,179,.26), 0 0 0 1px rgba(255,255,255,.7); }
  70%, 100% { box-shadow: 0 0 0 17px rgba(0,85,179,0), 0 0 0 1px rgba(255,255,255,.7); }
}

.viewer-part-card {
  position: absolute;
  left: clamp(18px, 3vw, 42px);
  bottom: clamp(18px, 3vw, 42px);
  z-index: 5;
  width: min(330px, calc(100% - 36px));
  display: grid;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  background: rgba(255,255,255,.84);
  color: var(--ink);
  box-shadow: 0 22px 70px rgba(17,24,39,.14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}
.viewer-part-card.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.viewer-part-card span {
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber-deep);
}
.viewer-part-card strong {
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.2;
}
.viewer-part-card p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-2);
}

.viewer-pins {
  position: relative;
  z-index: 4;
  left: auto;
  bottom: auto;
  transform: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  justify-content: center;
  width: min(720px, calc(100vw - 32px));
  margin: var(--s-4) auto 0;
}
.viewer-controls {
  position: relative;
  z-index: 4;
  display: grid;
  gap: var(--s-3);
  justify-items: center;
  width: min(760px, calc(100vw - 32px));
  margin: var(--s-4) auto 0;
}
.viewer-controls .viewer-pins {
  width: 100%;
  margin: 0;
}
.product-hero .viewer-pins {
  position: relative;
  left: auto;
  bottom: auto;
  transform: none;
  width: auto;
  margin: var(--s-3) 0 0;
  justify-content: flex-start;
}
.pin {
  font-size: var(--t-xs); font-weight: 700; padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface-chip); color: var(--ink-2); cursor: pointer;
  min-height: 38px; transition: .18s var(--ease);
  box-shadow: 0 14px 40px rgba(17,24,39,.07);
}
.pin:hover { border-color: rgba(28,28,30,.5); color: var(--ink); transform: translateY(-1px); }
.pin.is-active { background: var(--active-bg); color: var(--active-fg); border-color: var(--active-bg); }
.viewer-replay {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-chip-strong);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--t-xs);
  font-weight: 750;
  cursor: pointer;
  box-shadow: 0 14px 40px rgba(17,24,39,.07);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}
.viewer-replay:hover {
  transform: translateY(-1px);
  border-color: var(--amber);
  background: var(--surface-chip-strong);
}
.viewer-range-wrap {
  display: grid;
  gap: 8px;
  width: min(520px, 100%);
  color: var(--ink-2);
  font-size: var(--t-xs);
  font-weight: 700;
  text-align: center;
}
.viewer-range {
  width: 100%;
  accent-color: var(--amber);
  cursor: pointer;
}
.viewer-range::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--amber) calc(var(--explode) * 100%), var(--line) 0);
}
.viewer-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--amber);
  border: 3px solid var(--surface-card);
  box-shadow: 0 8px 22px rgba(0,0,0,.18);
}
.viewer-range::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: var(--line);
}
.viewer-range::-moz-range-progress {
  height: 6px;
  border-radius: 999px;
  background: var(--amber);
}
.viewer-range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--amber);
  border: 3px solid var(--surface-card);
  box-shadow: 0 8px 22px rgba(0,0,0,.18);
}
.viewer-desc {
  position: relative;
  z-index: 4;
  left: auto;
  bottom: auto;
  transform: none;
  text-align: center;
  font-size: var(--t-sm);
  color: var(--ink-2);
  margin: var(--s-4) auto 0;
  width: min(52ch, calc(100vw - 36px));
  min-height: 0;
  background: var(--surface-chip);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  backdrop-filter: blur(14px);
}
.product-hero .viewer-desc {
  position: relative;
  left: auto;
  bottom: auto;
  transform: none;
  width: auto;
  max-width: 58ch;
  margin: var(--s-3) 0 0;
  text-align: left;
  border-radius: 14px;
}
.viewer-commerce-row {
  position: absolute; z-index: 4; right: max(var(--s-5), calc((100vw - var(--container)) / 2 + var(--s-5)));
  top: clamp(86px, 12vh, 128px);
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
  margin: 0; color: var(--ink); font-size: var(--t-xs); font-weight: 700;
  font-family: var(--font-latin);
}
.product-hero .viewer-commerce-row {
  position: relative;
  right: auto;
  top: auto;
  justify-content: flex-start;
  margin-top: var(--s-3);
}
.viewer-commerce-row a {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 12px; background: var(--surface-chip);
  box-shadow: 0 14px 40px rgba(29,29,31,.06);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.viewer-commerce-row a:hover {
  transform: translateY(-1px);
  border-color: var(--amber);
  background: var(--surface-chip-strong);
}

.viewer-scroll-guide {
  position: absolute; z-index: 4; left: max(var(--s-5), calc((100vw - var(--container)) / 2 + var(--s-5)));
  bottom: clamp(64px, 8vh, 92px);
  display: grid; grid-template-columns: 26px auto; align-items: center; gap: 10px;
  color: var(--ink-2); font-family: var(--font-latin); font-size: var(--t-xs); font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.scroll-mouse {
  width: 22px; height: 34px; border: 1px solid var(--line); border-radius: 999px;
  display: grid; justify-items: center; padding-top: 6px; background: var(--surface-chip);
}
.scroll-mouse i {
  width: 4px; height: 7px; border-radius: 999px; background: var(--amber);
  animation: scrollPulse 1.6s var(--ease) infinite;
}
.viewer-scroll-guide b {
  grid-column: 1 / -1; display: block; width: 118px; height: 3px; border-radius: 999px;
  background: linear-gradient(90deg, var(--amber) calc(var(--explode) * 100%), var(--line) 0);
}
@keyframes scrollPulse {
  0% { transform: translateY(0); opacity: .35; }
  50% { transform: translateY(8px); opacity: 1; }
  100% { transform: translateY(0); opacity: .35; }
}

/* ---------- independent-store promise ---------- */
.store-promise {
  max-width: none; margin: 0; padding: clamp(74px, 9vw, 128px) var(--s-5);
  display: grid; grid-template-columns: minmax(280px, .82fr) 1.18fr; gap: var(--s-5); align-items: stretch;
  background:
    radial-gradient(circle at 16% 10%, rgba(238,72,0,.09), transparent 28%),
    radial-gradient(circle at 86% 4%, rgba(0,85,179,.12), transparent 34%),
    linear-gradient(135deg, #f7f8f8 0%, var(--product-bg) 46%, #eef4f8 100%);
}
.store-promise > * { max-width: var(--container); }
.store-promise-copy { justify-self: end; width: min(100%, 430px); }
.selling-grid { justify-self: start; width: min(100%, 780px); }
.store-promise-copy {
  background:
    linear-gradient(160deg, var(--glass-bg-heavy), var(--glass-bg-frost));
  color: var(--ink); border-radius: 28px; padding: clamp(30px, 4vw, 52px);
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  min-height: 330px;
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--glass-shadow-deep);
  backdrop-filter: var(--glass-blur-deep);
  -webkit-backdrop-filter: var(--glass-blur-deep);
  position: relative;
  overflow: hidden;
}
.store-promise-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
    transparent 40%,
    rgba(255,255,255,.06) 48%,
    rgba(255,255,255,.10) 50%,
    rgba(255,255,255,.06) 52%,
    transparent 60%);
  background-size: 200% 100%;
  animation: shimmer 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}
.store-promise-copy > * { position: relative; z-index: 1; }
.store-promise-copy .eyebrow { color: var(--amber-deep); }
.store-promise-copy h2 { color: var(--ink); font-size: clamp(34px, 3.6vw, 52px); line-height: 1.05; margin: var(--s-3) 0; max-width: 8em; }
.store-promise-copy .lede { color: var(--ink-2); margin-bottom: var(--s-4); max-width: 25em; }
.promise-tags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--s-5);
}
.promise-tags span {
  display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 999px;
  color: #17324d; background: var(--glass-bg-strong); border: 1px solid var(--glass-line);
  font-size: var(--t-xs); font-weight: 700;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.selling-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
.selling-card {
  position: relative; overflow: hidden;
  background:
    linear-gradient(180deg, var(--glass-bg-heavy), var(--glass-bg-frost));
  border: 1px solid var(--glass-border-strong); border-radius: 28px;
  padding: clamp(24px, 2.6vw, 34px); min-height: 330px;
  display: flex; flex-direction: column;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
  animation: float 7s ease-in-out infinite;
}
.selling-card:nth-child(2) { animation-delay: -2.3s; }
.selling-card:nth-child(3) { animation-delay: -4.6s; }
.selling-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 112px;
  background: linear-gradient(135deg, rgba(0,85,179,.08), rgba(238,72,0,.04));
  opacity: .75; pointer-events: none;
}
.selling-card::after,
.product-card::after,
.proof-metrics article::after {
  content: ""; position: absolute; left: var(--s-5); right: var(--s-5); bottom: 0;
  height: 3px; border-radius: 999px 999px 0 0; background: var(--orange-accent);
  transform: scaleX(.18); transform-origin: left; opacity: .55;
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}
.selling-card:hover,
.proof-metrics article:hover { transform: translateY(-4px); border-color: rgba(0,85,179,.32); box-shadow: var(--glass-shadow-hover); animation-play-state: paused; }
.selling-card:hover::after,
.product-card:hover::after,
.proof-metrics article:hover::after { transform: scaleX(1); opacity: 1; }
.selling-index {
  position: relative; z-index: 1; font-family: var(--font-latin); color: var(--amber-deep); font-weight: 800; font-size: var(--t-sm);
}
.selling-kicker {
  position: relative; z-index: 1; margin: var(--s-7) 0 auto; font-family: var(--font-latin);
  color: var(--orange-accent); font-weight: 800; font-size: var(--t-xs); letter-spacing: .12em;
}
.selling-card h3 { position: relative; z-index: 1; font-size: clamp(22px, 2vw, 28px); line-height: 1.12; margin: 0 0 var(--s-3); }
.selling-card p:not(.selling-kicker) { position: relative; z-index: 1; color: var(--ink-2); font-size: var(--t-sm); }
.selling-card.is-featured {
  background:
    radial-gradient(circle at 80% 0%, rgba(0,85,179,.14), transparent 38%),
    linear-gradient(180deg, rgba(239,247,255,.76), var(--glass-bg));
  border-color: rgba(0,85,179,.24);
}
:root[data-theme="dark"] .store-promise {
  background:
    radial-gradient(circle at 16% 10%, rgba(255,106,42,.13), transparent 28%),
    radial-gradient(circle at 86% 4%, rgba(41,151,255,.14), transparent 34%),
    linear-gradient(135deg, var(--product-bg), #111923 52%, #0b121c);
}
:root[data-theme="dark"] .store-promise-copy,
:root[data-theme="dark"] .selling-card {
  background: linear-gradient(160deg, rgba(22,28,36,.86), rgba(15,20,28,.74));
  border-color: rgba(255,255,255,.12);
}
:root[data-theme="dark"] .promise-tags span {
  color: var(--ink); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12);
}
:root[data-theme="dark"] .selling-card.is-featured { background: #071a2f; border-color: rgba(41,151,255,.28); }

/* ---------- product gallery (horizontal scroll) ---------- */
.product-gallery { padding-top: var(--s-8); }
.section-head-gallery {
  max-width: 920px;
  margin-bottom: var(--s-8);
}
.section-head-gallery .eyebrow {
  margin-bottom: 18px;
  letter-spacing: .18em;
  color: #0d4ea6;
}
.section-head-gallery h2 {
  font-size: clamp(42px, 4.8vw, 72px);
  line-height: 1.06;
  max-width: 9.6ch;
}
.section-head-gallery h2 span { display: block; }
.section-head-gallery .lede {
  margin-top: 18px;
  max-width: 31ch;
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.5;
  color: #66758a;
}

/* Gallery grid — 5 cards, responsive masonry */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
.gallery-grid > :first-child {
  grid-column: 1 / -1;
}

/* Wide gallery card for grid layout */
.gallery-card-wide {
  min-height: 320px;
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--glass-shadow-deep);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.gallery-grid > :first-child {
  min-height: 440px;
}
.gallery-card-wide:hover {
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow-hover);
}
.gallery-card-wide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .94;
  transition: transform .6s var(--ease), opacity .3s var(--ease);
}
.gallery-card-wide:hover img {
  transform: scale(1.035);
  opacity: 1;
}
.gallery-card-wide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(0,0,0,.66));
  pointer-events: none;
}
.gallery-card-wide div {
  position: absolute;
  z-index: 1;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: grid;
  gap: 6px;
  color: #fff;
}
.gallery-card-wide small {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  min-height: 24px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.76);
}
.gallery-card-wide h3 {
  font-size: clamp(26px, 2.2vw, 34px);
  line-height: 1.08;
  margin: 0;
  max-width: 10ch;
}
.gallery-card-wide p {
  color: rgba(255,255,255,.80);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  max-width: 22ch;
}
.company-proof {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--s-7); align-items: center;
}
.proof-copy .lede { max-width: 54ch; }
.proof-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3);
}
.proof-metrics article {
  position: relative; overflow: hidden;
  min-height: 190px; padding: var(--s-5);
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.proof-metrics strong {
  font-family: var(--font-latin); font-size: var(--t-2xl); line-height: 1; letter-spacing: 0;
  color: var(--ink);
}
.proof-metrics span { color: var(--ink-2); font-size: var(--t-sm); margin-top: var(--s-3); }
.proof-metrics p {
  margin: var(--s-3) 0 0; color: var(--ink-2);
  font-size: var(--t-sm); line-height: 1.55;
}

/* ---------- inner-page hero ---------- */
.page-hero { max-width: var(--container); margin-inline: auto; padding: var(--s-9) var(--s-5) var(--s-7); }
.page-hero h1 { font-size: var(--t-2xl); margin-top: var(--s-3); }
.page-hero .lede { margin-top: var(--s-4); max-width: 64ch; }

/* ---------- portal sign-in ---------- */
.portal-cta { max-width: 620px; margin-inline: auto; text-align: center; padding: var(--s-8) var(--s-6); background: var(--bg-alt); border-radius: var(--radius); }
.portal-cta h2 { font-size: var(--t-xl); }
.portal-cta p { color: var(--ink-2); margin: var(--s-3) auto var(--s-6); max-width: 46ch; }
.portal-cta .button { justify-content: center; }

/* ---------- flywheel ---------- */
.flywheel {
  border-radius: 28px;
  background:
    radial-gradient(circle at 92% 0%, rgba(52,73,94,.10), transparent 30%),
    linear-gradient(180deg, rgba(248,250,252,.78), rgba(237,242,246,.68));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  margin-top: var(--s-8);
  margin-bottom: var(--s-8);
}
.flywheel-loop { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); }
.flywheel-stage {
  position: relative; padding: var(--s-6) var(--s-5); border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.flywheel-stage:not(:last-child)::after {
  content: ""; position: absolute; right: calc(var(--s-4) * -1 - 1px); top: 50%;
  width: var(--s-4); height: 2px; background: var(--graphite-accent);
}
.stage-num { font-family: var(--font-latin); font-weight: 800; font-size: var(--t-lg); color: var(--graphite-accent); }
.flywheel-stage h3 { font-size: var(--t-md); margin: var(--s-3) 0 var(--s-2); }
.flywheel-stage p { font-size: var(--t-sm); color: var(--ink-2); }

/* ---------- products (stitch refined) ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--s-4); }
.product-card {
  position: relative; overflow: hidden; padding: var(--s-5);
  border: 1px solid color-mix(in srgb, var(--orange-accent) 10%, var(--glass-border-strong));
  border-radius: 22px;
  background: linear-gradient(175deg, var(--glass-bg-heavy) 0%, color-mix(in srgb, var(--product-panel) 72%, transparent) 100%);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--glass-shadow-hover); border-color: rgba(0,85,179,.28); }
.product-card::before {
  content: "Open"; position: absolute; right: var(--s-4); top: var(--s-4); z-index: 2;
  font-family: var(--font-latin); font-size: 10px; font-weight: 700; letter-spacing: .10em;
  text-transform: uppercase; color: var(--amber-deep);
  background: var(--surface-chip-strong); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px; opacity: 0; transform: translateY(-6px);
  transition: opacity .20s var(--ease), transform .20s var(--ease);
}
.product-card:hover::before { opacity: 1; transform: none; }
.card-media {
  aspect-ratio: 4 / 3; border-radius: 14px;
  background:
    radial-gradient(circle at 50% 42%, rgba(238,72,0,.06), transparent 42%),
    linear-gradient(180deg, #ffffff, var(--product-bg));
  display: grid; place-items: center; overflow: hidden; margin-bottom: var(--s-4);
}
.card-media img { width: 86%; height: 86%; object-fit: contain; mix-blend-mode: multiply; transition: transform .28s var(--ease); }
.product-card:hover .card-media img { transform: scale(1.03); }
:root[data-theme="dark"] .card-media img { mix-blend-mode: normal; filter: drop-shadow(0 18px 40px rgba(0,0,0,.32)); }
.card-en { font-family: var(--font-latin); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--amber-deep); font-weight: 650; opacity: .82; }
.product-card h3 { font-size: var(--t-md); margin: var(--s-2) 0 var(--s-3); font-weight: 700; }
.card-desc { font-size: var(--t-sm); color: var(--ink-2); line-height: 1.55; }

/* ---------- product detail ---------- */
.product-detail-hero .lede {
  max-width: 42ch;
}
.product-detail-shell {
  padding-top: 0;
}
.product-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: var(--s-6);
  align-items: stretch;
}
.product-detail-media {
  min-height: 520px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass-bg-strong), color-mix(in srgb, var(--product-panel) 68%, transparent));
  box-shadow: var(--glass-shadow);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: var(--s-6);
}
.product-detail-media img {
  width: min(88%, 540px);
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}
:root[data-theme="dark"] .product-detail-media img {
  mix-blend-mode: normal;
  filter: drop-shadow(0 20px 45px rgba(0,0,0,.35));
}
.product-detail-copy,
.product-detail-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}
.product-detail-info {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.product-detail-panel {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: var(--s-5);
}
.product-detail-panel h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-top: var(--s-2);
}
.product-detail-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-2);
  display: grid;
  gap: 10px;
}
.product-detail-list li {
  line-height: 1.55;
}

/* ---------- product comparison ---------- */
.comparison-panel {
  margin-top: var(--s-7);
  padding: clamp(24px, 3vw, 40px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg)),
    radial-gradient(circle at 10% 0%, var(--blue-glow), transparent 36%);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.comparison-head {
  display: flex; align-items: end; justify-content: space-between; gap: var(--s-5);
  margin-bottom: var(--s-5);
}
.comparison-head h3 { font-size: var(--t-xl); }
.comparison-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.comparison-table {
  width: 100%; border-collapse: collapse; min-width: 760px;
  font-size: var(--t-sm);
}
.comparison-table th,
.comparison-table td {
  padding: 18px 16px; text-align: left;
  border-bottom: 1px solid var(--line);
}
.comparison-table thead th {
  color: var(--ink-2); font-size: var(--t-xs);
  letter-spacing: .08em; text-transform: uppercase; font-weight: 750;
}
.comparison-table tbody th {
  color: var(--ink); font-size: var(--t-base); font-weight: 760;
}
.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td { border-bottom: 0; }
.comparison-table td:last-child { color: var(--amber-deep); font-weight: 700; }

/* ---------- manufacturing ---------- */
.manufacturing {
  max-width: none;
  color: var(--ink-on-dark);
  background:
    radial-gradient(circle at 74% 18%, rgba(0,166,200,.18), transparent 34%),
    linear-gradient(145deg, var(--validation-bg), #152435);
}
.mfg-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: var(--s-8); align-items: start; }
.manufacturing .mfg-grid {
  max-width: var(--container);
  margin-inline: auto;
}
.manufacturing .eyebrow { color: var(--cyan-accent); }
.manufacturing h2,
.manufacturing .mfg-points strong { color: var(--ink-on-dark); }
.manufacturing .lede,
.manufacturing .mfg-points span { color: var(--ink-2-on-dark); }
.mfg-points { list-style: none; padding: 0; margin: var(--s-6) 0 0; display: grid; gap: var(--s-4); }
.mfg-points li { display: grid; gap: 2px; padding-left: var(--s-5); position: relative; }
.mfg-points li::before { content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 10px; border-radius: 3px; background: var(--cyan-accent); }
.mfg-points strong { font-size: var(--t-base); }
.mfg-points span { font-size: var(--t-sm); color: var(--ink-2); }
.mfg-caps { display: grid; gap: var(--s-3); align-content: start; padding-top: var(--s-7); }
.cap {
  display: grid; gap: 2px; padding: var(--s-3) var(--s-4);
  border: 1px solid rgba(255,255,255,.14);
  border-left: 3px solid var(--cyan-accent);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  box-shadow: 0 18px 52px rgba(0,0,0,.18);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.cap strong { font-weight: 700; font-size: var(--t-sm); }
.cap strong { color: var(--ink-on-dark); }
.cap span { font-size: var(--t-xs); color: var(--ink-2-on-dark); line-height: 1.5; }

/* ---------- applications ---------- */
.app-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--s-4); }
.app-list li {
  position: relative; overflow: hidden;
  padding: var(--s-4);
  border: 1px solid color-mix(in srgb, var(--green-accent) 16%, var(--glass-border-strong));
  border-radius: 22px;
  background: linear-gradient(180deg, var(--glass-bg-heavy), color-mix(in srgb, var(--application-panel) 70%, transparent));
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.app-list li:hover { border-color: var(--green-accent); box-shadow: var(--glass-shadow-hover); transform: translateY(-3px); }
.app-photo {
  aspect-ratio: 4 / 3; border-radius: 18px; overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(47,143,100,.10), transparent 38%),
    var(--application-bg);
  margin-bottom: var(--s-4);
}
.app-photo img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .55s var(--ease), filter .25s var(--ease);
}
.app-list li:hover .app-photo img { transform: scale(1.045); }
.app-icon {
  display: grid; place-items: center; width: 38px; height: 38px;
  color: var(--green-accent); margin-bottom: var(--s-3);
  border: 1px solid color-mix(in srgb, var(--green-accent) 20%, var(--line)); border-radius: 999px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.app-icon svg { width: 25px; height: 25px; }
.app-list h3 { font-size: var(--t-md); margin-bottom: var(--s-2); }
.app-list p { font-size: var(--t-sm); color: var(--ink-2); }

/* ---------- customers ---------- */
.customers {
  text-align: center;
  background:
    radial-gradient(circle at 18% 0%, rgba(238,72,0,.08), transparent 30%),
    radial-gradient(circle at 82% 12%, rgba(0,85,179,.08), transparent 32%),
    linear-gradient(135deg, var(--customer-bg), var(--bg) 48%, #edf3f8);
  border-radius: calc(var(--radius) + 10px);
}
.customers .section-head { margin-inline: auto; }
.logo-wall {
  position: relative;
  overflow: hidden;
  margin-top: var(--s-2);
  padding: 8px 0;
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.logo-wall-track {
  display: flex;
  gap: var(--s-4);
  width: max-content;
  animation: logoWallDrift 22s ease-in-out infinite alternate;
  will-change: transform;
}
.logo-wall:hover .logo-wall-track { animation-play-state: paused; }
.logo-slot {
  flex: 0 0 clamp(220px, 16vw, 260px);
  min-height: 132px; border: 1px solid color-mix(in srgb, var(--orange-accent) 14%, var(--glass-border)); border-radius: 18px;
  display: grid; place-items: center; align-content: center; gap: 6px;
  background:
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg)),
    var(--surface-card);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.logo-slot:hover { transform: translateY(-3px); border-color: rgba(0,85,179,.28); box-shadow: var(--shadow); }
.logo-slot img {
  max-width: 138px; max-height: 48px; object-fit: contain;
  filter: saturate(.98) contrast(1.02);
}
.logo-liugong { background: linear-gradient(180deg, #d52027, #b9141b); }
.logo-liugong img { filter: none; max-width: 150px; }
.logo-sany img { max-width: 54px; border-radius: 50%; }
.logo-kawasaki strong {
  font-family: Arial, Helvetica, sans-serif; color: #007a3d;
  font-size: clamp(22px, 2.1vw, 32px); font-weight: 800; letter-spacing: 0;
}
.logo-slot span {
  font-family: var(--font); font-size: var(--t-sm); font-weight: 700;
  letter-spacing: .12em; color: var(--ink-2);
}
.logo-liugong span { color: rgba(255,255,255,.82); }
@keyframes logoWallDrift {
  from { transform: translateX(0); }
  to { transform: translateX(-48%); }
}
:root[data-theme="dark"] .customers {
  background:
    radial-gradient(circle at 20% 0%, rgba(41,151,255,.14), transparent 34%),
    linear-gradient(135deg, var(--metal-a), var(--bg) 48%, var(--metal-b));
}
:root[data-theme="dark"] .logo-slot {
  background: linear-gradient(180deg, rgba(21,22,26,.92), rgba(17,24,32,.72));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 24px 80px rgba(0,0,0,.22);
}

/* ---------- stats (dark) ---------- */
.section-dark { color: var(--ink-on-dark); }
.section-dark::before { background: var(--dark); }
.section-dark .eyebrow { color: var(--amber); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-5); }
.stat { border-top: 2px solid var(--line-dark); padding-top: var(--s-4); }
.stat-value { font-family: var(--font-latin); font-size: var(--t-3xl); font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat em { font-style: normal; color: var(--amber); font-weight: 700; font-size: var(--t-xl); }
.stat-label { display: block; font-size: var(--t-sm); color: var(--ink-2-on-dark); margin-top: var(--s-2); }
.section-dark .note { color: var(--ink-2-on-dark); }

/* ---------- support ---------- */
.support-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); }
.support-card {
  padding: var(--s-6);
  background: linear-gradient(180deg, var(--glass-bg-heavy), var(--glass-bg-frost));
  border: 1px solid var(--glass-border-strong);
  border-radius: 22px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.support-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow-hover);
}
.support-card h3 { font-size: var(--t-md); margin-bottom: var(--s-2); }
.support-card p { font-size: var(--t-sm); color: var(--ink-2); }

/* ---------- careers ---------- */
.careers-reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.careers-reasons article {
  padding: var(--s-6); border-left: 3px solid var(--amber);
  background: linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.careers-reasons h3 { font-size: var(--t-md); margin-bottom: var(--s-2); }
.careers-reasons p { font-size: var(--t-sm); color: var(--ink-2); }
.role-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--s-4); margin: var(--s-6) 0 var(--s-7); }
.role {
  padding: var(--s-5); border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.role h4 { font-size: var(--t-base); margin: 0 0 var(--s-2); }
.role p { font-size: var(--t-sm); color: var(--ink-2); margin: 0; }

/* ---------- contact ---------- */
.contact {
  max-width: none;
  background:
    radial-gradient(circle at 15% 0%, rgba(0,85,179,.16), transparent 34%),
    linear-gradient(180deg, var(--contact-bg), var(--bg));
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-8); align-items: center; }
.contact-grid {
  max-width: var(--container);
  margin-inline: auto;
}
.contact-card {
  font-style: normal; display: grid; gap: var(--s-4); padding: var(--s-7);
  background: linear-gradient(180deg, var(--glass-bg-heavy), var(--glass-bg-frost));
  border: 1px solid var(--glass-border-strong);
  border-radius: 22px;
  box-shadow: var(--glass-shadow-deep);
  backdrop-filter: var(--glass-blur-deep);
  -webkit-backdrop-filter: var(--glass-blur-deep);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 0%, rgba(0,85,179,.08) 0%, transparent 60%);
  pointer-events: none;
}
.contact-card > * { position: relative; z-index: 1; }
.contact-row { display: grid; gap: 2px; font-size: var(--t-sm); color: var(--ink-2); }
.contact-row b { color: var(--ink); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: .1em; }
.contact-row a { color: var(--amber-deep); font-weight: 600; }
.contact-card .button { justify-self: start; margin-top: var(--s-2); }
.inquiry-form { display: grid; gap: var(--s-3); margin-top: var(--s-2); }
.inquiry-form label { display: grid; gap: 7px; }
.inquiry-form label span {
  font-size: var(--t-xs); font-weight: 700; color: var(--ink);
  letter-spacing: .08em; text-transform: uppercase;
}
.inquiry-form input,
.inquiry-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface-field); color: var(--ink); font: inherit;
  padding: 12px 14px; outline: 0; resize: vertical;
}
.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

/* ---------- sticky inquiry ---------- */
.sticky-inquiry {
  position: fixed; left: 50%; bottom: var(--s-5); transform: translateX(-50%) translateY(150%);
  z-index: 90; display: flex; align-items: center; gap: var(--s-5);
  background: var(--glass-bg-heavy); color: var(--ink); padding: var(--s-3) var(--s-3) var(--s-3) var(--s-6);
  border: 1px solid var(--glass-border-strong);
  border-radius: 999px; box-shadow: var(--glass-shadow-deep);
  backdrop-filter: var(--glass-blur-deep);
  -webkit-backdrop-filter: var(--glass-blur-deep);
  transition: transform .35s var(--ease); max-width: calc(100vw - 32px);
}
:root[data-theme="dark"] .sticky-inquiry {
  color: var(--ink);
  background: var(--glass-bg-heavy);
}
.sticky-inquiry strong { font-size: var(--t-sm); }
.sticky-inquiry .button { flex-shrink: 0; }
.sticky-inquiry.is-visible { transform: translateX(-50%) translateY(0); }
.sticky-inquiry div { display: flex; flex-direction: column; line-height: 1.2; }
.sticky-inquiry strong { font-size: var(--t-sm); }
.sticky-inquiry span { font-size: var(--t-xs); color: currentColor; opacity: .68; }

/* ---------- footer ---------- */
.site-footer { max-width: var(--container); margin-inline: auto; padding: var(--s-7) var(--s-5); border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); flex-wrap: wrap; font-size: var(--t-sm); color: var(--ink-2); }
.footer-logo { height: 56px; width: auto; flex-shrink: 0; }
.footer-text { display: flex; flex-direction: column; gap: var(--s-2); text-align: right; }
.site-footer .disclaimer { max-width: 52ch; }
@media (max-width: 560px) { .footer-text { text-align: left; } }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Stitch Industrial Nexus pass ---------- */
:root[data-theme="dark"] {
  --bg: #05070b;
  --bg-alt: #0b1018;
  --dark: #020409;
  --ink: #f5f8ff;
  --ink-2: #aeb8c8;
  --ink-on-dark: #f5f8ff;
  --ink-2-on-dark: #aeb8c8;
  --line: #243247;
  --line-dark: #314156;
  --amber: #00f2ff;
  --amber-deep: #74f5ff;
  --amber-soft: #062836;
  --surface-card: #101823;
  --surface-field: #090e16;
  --surface-chip: rgba(14, 21, 32, .82);
  --surface-chip-strong: rgba(19, 29, 43, .92);
  --viewer-bg: #05070b;
  --header-bg: rgba(5, 8, 13, .78);
  --blue-glow: rgba(0, 242, 255, .16);
  --active-bg: #00f2ff;
  --active-fg: #001018;
  --feature-bg: #101823;
  --feature-fg: #f5f8ff;
  --feature-muted: #aeb8c8;
  --soft-grid: rgba(0, 242, 255, .08);
  --metal-a: #0c1420;
  --metal-b: #111d2a;
  --ai-bg: #061b26;
  --ai-panel: #0b2330;
  --product-bg: #10151d;
  --product-panel: #121f2d;
  --validation-bg: #05070b;
  --validation-panel: #0c1724;
  --application-bg: #071711;
  --application-panel: #102118;
  --customer-bg: #100e0b;
  --contact-bg: #07111f;
  --orange-accent: #ff6b00;
  --green-accent: #4ade80;
  --cyan-accent: #00f2ff;
  --graphite-accent: #8aa4bf;
  --glass-bg: rgba(13, 21, 33, .68);
  --glass-bg-strong: rgba(19, 29, 43, .88);
  --glass-border: rgba(132, 148, 149, .28);
  --glass-line: rgba(0, 242, 255, .22);
  --glass-shadow: 0 22px 80px rgba(0, 0, 0, .32), inset 0 1px 0 rgba(255,255,255,.06);
  --radius: 8px;
  --radius-sm: 8px;
  --shadow: 0 24px 90px rgba(0,0,0,.38);
  color-scheme: dark;
}

:root[data-theme="light"] { color-scheme: light; }

body {
  background:
    radial-gradient(circle at 14% 0%, rgba(0, 242, 255, .10), transparent 32%),
    radial-gradient(circle at 88% 12%, rgba(255, 107, 0, .10), transparent 28%),
    linear-gradient(180deg, var(--bg), #07101a 48%, var(--bg));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(0,242,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,242,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.78), rgba(0,0,0,.1) 72%, transparent);
  pointer-events: none;
}

.button {
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.button.primary {
  background: linear-gradient(135deg, var(--cyan-accent), #7df6ff);
  color: #001018;
  box-shadow: 0 0 22px rgba(0,242,255,.18), inset 0 1px 0 rgba(255,255,255,.34);
}
.button.primary:hover {
  background: linear-gradient(135deg, #7df6ff, var(--cyan-accent));
}
.button.ghost {
  color: var(--cyan-accent);
  border-color: rgba(0,242,255,.32);
  background: rgba(0,242,255,.04);
}
.nav-cta,
.lang-link.is-active,
.pin.is-active {
  border-radius: 8px;
}

.site-header {
  background:
    linear-gradient(180deg, rgba(5,8,13,.88), rgba(5,8,13,.66));
  border-bottom-color: rgba(0,242,255,.14);
}
.site-nav > a:hover,
.site-nav > a.is-active { color: var(--cyan-accent); }

.hero {
  position: relative;
  min-height: calc(100vh - 70px);
  display: grid;
  align-items: center;
  text-align: left;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 46%, rgba(0,242,255,.18), transparent 28%),
    radial-gradient(circle at 68% 68%, rgba(255,107,0,.16), transparent 22%),
    linear-gradient(135deg, rgba(5,7,11,.92), rgba(11,16,24,.78));
  border-bottom: 1px solid rgba(0,242,255,.18);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5,7,11,.98), rgba(5,7,11,.72) 42%, rgba(5,7,11,.28)),
    url('/assets/product-platform.png');
  background-repeat: no-repeat;
  background-size: auto, min(58vw, 820px);
  background-position: center, right clamp(12px, 6vw, 92px) center;
  opacity: .88;
}
.hero::after {
  content: "DCDC / PDU / MCU / CAN-HIL";
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: clamp(22px, 6vh, 64px);
  color: rgba(0,242,255,.56);
  font-family: var(--font-latin);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin-inline: 0;
}
.hero-copy h1 {
  font-size: clamp(52px, 6vw, 88px);
  max-width: 760px;
}
.hero-copy h1 .accent {
  color: var(--cyan-accent);
  text-shadow: 0 0 34px rgba(0,242,255,.22);
}
.hero-sub {
  margin-inline: 0;
  max-width: 48ch;
  color: var(--ink-2);
}
.hero-actions {
  justify-content: flex-start;
}

.teardown {
  background:
    radial-gradient(circle at 50% 24%, rgba(0,242,255,.13), transparent 32%),
    radial-gradient(circle at 80% 74%, rgba(255,107,0,.10), transparent 28%),
    linear-gradient(180deg, #05070b, #0b1018);
  border-bottom: 1px solid rgba(0,242,255,.14);
}
.viewer-stage,
:root[data-theme="dark"] .viewer-stage {
  background:
    radial-gradient(circle at 50% 48%, rgba(0,242,255,.08), transparent 38%),
    linear-gradient(180deg, #0c1420, #070b12);
  border-color: rgba(0,242,255,.20);
  box-shadow: 0 28px 100px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.05);
}
.viewer-stage::before {
  background:
    linear-gradient(90deg, rgba(5,7,11,.88), rgba(255,255,255,.02) 30%, rgba(255,255,255,.02) 70%, rgba(5,7,11,.88)),
    radial-gradient(circle at 50% 50%, rgba(0,242,255,.12), transparent 36%);
}
.viewer-label,
.viewer-desc,
.pin,
.viewer-commerce-row a {
  border-radius: 8px;
  border-color: rgba(0,242,255,.18);
}
.pin:hover {
  border-color: var(--cyan-accent);
}

.section-alt::before {
  background:
    radial-gradient(circle at 12% 0%, rgba(0,242,255,.08), transparent 28%),
    linear-gradient(180deg, var(--bg-alt), var(--bg));
}
.section-head .eyebrow,
.eyebrow {
  color: var(--cyan-accent);
}
.flywheel,
.product-card,
.proof-metrics article,
.support-card,
.role,
.careers-reasons article,
.contact-card,
.product-detail-panel,
.product-detail-media,
.comparison-panel {
  border-radius: 8px;
  border-color: rgba(132,148,149,.24);
}
.flywheel {
  background:
    radial-gradient(circle at 88% 0%, rgba(0,242,255,.12), transparent 28%),
    linear-gradient(180deg, rgba(16,24,35,.86), rgba(10,16,25,.72));
}
.flywheel-stage {
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(19,29,43,.82), rgba(10,16,25,.72));
  border-color: rgba(132,148,149,.22);
}
.stage-num { color: var(--cyan-accent); }
.flywheel-stage:not(:last-child)::after { background: var(--cyan-accent); opacity: .42; }

.product-card {
  background:
    radial-gradient(circle at 78% 0%, rgba(255,107,0,.12), transparent 30%),
    linear-gradient(180deg, rgba(20,31,46,.94), rgba(10,15,23,.82));
}
.product-card::before {
  content: "";
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 2px;
  background: var(--cyan-accent);
  box-shadow: 0 0 14px rgba(0,242,255,.42);
  opacity: 1;
  transform: none;
}
.product-card:hover { border-color: rgba(0,242,255,.44); }
.card-media {
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 48%, rgba(0,242,255,.11), transparent 42%),
    linear-gradient(180deg, #0f1824, #080d14);
  border: 1px solid rgba(0,242,255,.12);
}
.card-media img {
  mix-blend-mode: normal;
  filter: drop-shadow(0 28px 56px rgba(0,0,0,.46));
}
.card-en,
.comparison-table td:last-child { color: var(--orange-accent); }

.newsroom {
  max-width: none;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0,242,255,.14);
  border-bottom: 1px solid rgba(0,242,255,.14);
  background:
    radial-gradient(circle at 78% 8%, rgba(0,242,255,.13), transparent 28%),
    radial-gradient(circle at 18% 72%, rgba(255,107,0,.11), transparent 30%),
    linear-gradient(145deg, #05070b, #0c1420 48%, #080d14);
}
.newsroom > * {
  max-width: var(--container);
  margin-inline: auto;
}
.newsroom-head {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  gap: var(--s-7);
  align-items: end;
  padding-inline: var(--s-5);
  margin-bottom: var(--s-7);
}
.newsroom-head h2 {
  font-size: clamp(42px, 5vw, 76px);
}
.newsroom-grid {
  display: grid;
  grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
  gap: var(--s-4);
  padding-inline: var(--s-5);
}
.news-feature,
.news-card {
  position: relative;
  display: grid;
  align-content: end;
  gap: var(--s-3);
  color: var(--ink);
  border: 1px solid rgba(132,148,149,.24);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(19,29,43,.86), rgba(8,13,20,.78));
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.news-feature {
  min-height: 430px;
  padding: clamp(28px, 4vw, 48px);
  background:
    linear-gradient(180deg, rgba(0,242,255,.10), rgba(8,13,20,.88)),
    linear-gradient(135deg, rgba(19,29,43,.9), rgba(9,14,22,.74));
}
.news-feature::before,
.news-card::before {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--cyan-accent);
  box-shadow: 0 0 16px rgba(0,242,255,.48);
}
.news-feature:hover,
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,242,255,.46);
  box-shadow: 0 28px 90px rgba(0,0,0,.44), 0 0 0 1px rgba(0,242,255,.12);
}
.news-feature-kicker,
.news-meta,
.news-tag {
  font-family: var(--font-latin);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.news-feature-kicker,
.news-meta { color: var(--cyan-accent); }
.news-feature h3 {
  font-size: clamp(28px, 3.5vw, 48px);
  max-width: 12em;
}
.news-feature p,
.news-card p:not(.news-meta) {
  color: var(--ink-2);
}
.news-list {
  display: grid;
  gap: var(--s-3);
}
.news-card {
  min-height: 132px;
  padding: var(--s-5);
  grid-template-columns: 1fr auto;
}
.news-card h3,
.news-card p {
  grid-column: 1 / -1;
}
.news-card h3 { font-size: var(--t-md); }
.news-tag {
  width: fit-content;
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border: 1px solid rgba(74,222,128,.24);
  border-radius: 4px;
  color: var(--green-accent);
  background: rgba(74,222,128,.06);
}
.news-arrow {
  align-self: start;
  color: var(--orange-accent);
}
.news-source-note {
  padding-inline: var(--s-5);
  margin-top: var(--s-5);
  color: var(--ink-2);
  font-size: var(--t-sm);
}

.manufacturing {
  background:
    radial-gradient(circle at 72% 18%, rgba(0,242,255,.18), transparent 34%),
    radial-gradient(circle at 14% 88%, rgba(74,222,128,.10), transparent 28%),
    linear-gradient(145deg, #05070b, #0b1724);
}
.cap {
  border-radius: 8px;
  border-color: rgba(0,242,255,.18);
}
.cap:nth-child(3n) { border-left-color: var(--green-accent); }
.cap:nth-child(4n) { border-left-color: var(--orange-accent); }

.app-list li,
.app-photo,
.logo-slot,
.portal-cta,
.inquiry-form input,
.inquiry-form textarea {
  border-radius: 8px;
}
.customers {
  background:
    radial-gradient(circle at 18% 0%, rgba(255,107,0,.12), transparent 30%),
    radial-gradient(circle at 82% 12%, rgba(0,242,255,.10), transparent 32%),
    linear-gradient(135deg, #0b1018, #05070b 52%, #10151d);
}
.contact {
  background:
    radial-gradient(circle at 15% 0%, rgba(0,242,255,.13), transparent 34%),
    linear-gradient(180deg, #07111f, var(--bg));
}
.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--cyan-accent);
  box-shadow: 0 0 0 3px rgba(0,242,255,.14);
}

@keyframes floatDrift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@media (prefers-reduced-motion: no-preference) {
  .hero::before { animation: floatDrift 7s var(--ease) infinite; }
  .product-card:hover .card-media img,
  .product-detail-media:hover img {
    transform: translateY(-4px) scale(1.02);
  }
  .news-feature::before,
  .news-card::before {
    animation: focusPulse 2.4s ease-out infinite;
  }
}

:root[data-theme="dark"] .hero {
  max-width: var(--container);
  min-height: auto;
  display: block;
  text-align: center;
  overflow: visible;
  background:
    radial-gradient(circle at 50% 0%, rgba(0,242,255,.10), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg) 72%, var(--bg-alt) 100%);
  border-bottom: 0;
  padding: calc(var(--s-10) + 10px) var(--s-5) var(--s-7);
  margin-inline: auto;
}
:root[data-theme="dark"] .hero::before,
:root[data-theme="dark"] .hero::after {
  content: none;
  display: none;
}
:root[data-theme="dark"] .hero-copy {
  max-width: 900px;
  margin-inline: auto;
}
:root[data-theme="dark"] .hero-copy h1 {
  font-size: clamp(52px, 6vw, 86px);
  max-width: none;
}
:root[data-theme="dark"] .hero-copy h1 .accent {
  color: var(--cyan-accent);
  text-shadow: 0 0 34px rgba(0,242,255,.22);
}
:root[data-theme="dark"] .hero-sub {
  margin-inline: auto;
  max-width: 52ch;
  color: var(--ink-2);
}
:root[data-theme="dark"] .hero-actions {
  justify-content: center;
}

:root[data-theme="light"] body {
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg) 42%, var(--bg-alt) 100%);
}
:root[data-theme="light"] body::before {
  content: none;
  display: none;
}
:root[data-theme="light"] .button {
  border-radius: 999px;
  box-shadow: none;
}
:root[data-theme="light"] .button.primary {
  background: var(--amber);
  color: #fff;
  box-shadow: none;
}
:root[data-theme="light"] .button.primary:hover {
  background: var(--amber-deep);
}
:root[data-theme="light"] .button.ghost {
  color: var(--ink);
  border-color: var(--line);
  background: transparent;
}
:root[data-theme="light"] .button.ghost:hover {
  border-color: var(--ink);
}
:root[data-theme="light"] .nav-cta,
:root[data-theme="light"] .lang-link.is-active,
:root[data-theme="light"] .pin.is-active {
  border-radius: 999px;
}
:root[data-theme="light"] .site-header {
  background:
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  border-bottom-color: var(--glass-border);
  box-shadow: 0 10px 40px rgba(31,45,61,.055);
}
:root[data-theme="light"] .site-nav > a:hover,
:root[data-theme="light"] .site-nav > a.is-active {
  color: var(--ink);
}

:root[data-theme="light"] .hero {
  max-width: var(--container);
  min-height: auto;
  display: block;
  text-align: center;
  overflow: visible;
  background: var(--bg);
  border-bottom: 0;
  padding: calc(var(--s-10) + 10px) var(--s-5) var(--s-7);
  margin-inline: auto;
}
:root[data-theme="light"] .hero::before,
:root[data-theme="light"] .hero::after {
  content: none;
  display: none;
}
:root[data-theme="light"] .hero-copy {
  max-width: 900px;
  margin-inline: auto;
}
:root[data-theme="light"] .hero-copy h1 {
  font-size: clamp(52px, 6vw, 86px);
  max-width: none;
}
:root[data-theme="light"] .hero-copy h1 .accent {
  color: #10355c;
  text-shadow: none;
}
:root[data-theme="light"] .hero-sub {
  margin-inline: auto;
  max-width: 52ch;
  color: var(--ink-2);
}
:root[data-theme="light"] .hero-actions {
  justify-content: center;
}

:root[data-theme="light"] .teardown {
  background: #f0f0ef;
  border-bottom: 0;
}
:root[data-theme="light"] .viewer-stage {
  background: #f0f0ef;
  background-color: #f0f0ef;
  border-color: transparent;
  box-shadow: none;
  border-radius: 0;
}
:root[data-theme="light"] .viewer-stage::before {
  content: none;
}
:root[data-theme="light"] .motor-film {
  filter: none;
  transform: none;
  mix-blend-mode: normal;
}
:root[data-theme="light"] .viewer-label,
:root[data-theme="light"] .viewer-desc,
:root[data-theme="light"] .pin,
:root[data-theme="light"] .viewer-commerce-row a {
  border-radius: 999px;
  border-color: var(--line);
}
:root[data-theme="light"] .pin:hover {
  border-color: rgba(28,28,30,.5);
}

:root[data-theme="light"] .section-alt::before {
  background: var(--bg-alt);
}
:root[data-theme="light"] #product.section-alt::before {
  background:
    radial-gradient(circle at 86% 0%, rgba(238,72,0,.08), transparent 30%),
    linear-gradient(180deg, var(--product-bg), var(--bg));
}
:root[data-theme="light"] #applications.section-alt::before {
  background:
    radial-gradient(circle at 16% 0%, rgba(47,143,100,.12), transparent 34%),
    linear-gradient(180deg, var(--application-bg), var(--bg));
}
:root[data-theme="light"] .company-proof.section-alt::before {
  background:
    radial-gradient(circle at 85% 8%, rgba(52,73,94,.10), transparent 34%),
    linear-gradient(180deg, #eef2f5, var(--bg));
}
:root[data-theme="light"] .section-head .eyebrow,
:root[data-theme="light"] .eyebrow {
  color: var(--amber-deep);
}

:root[data-theme="light"] .flywheel {
  border-radius: 28px;
  background:
    radial-gradient(circle at 92% 0%, rgba(52,73,94,.10), transparent 30%),
    linear-gradient(180deg, rgba(248,250,252,.78), rgba(237,242,246,.68));
}
:root[data-theme="light"] .flywheel-stage {
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  border-color: var(--line);
}
:root[data-theme="light"] .stage-num {
  color: var(--graphite-accent);
}
:root[data-theme="light"] .flywheel-stage:not(:last-child)::after {
  background: var(--graphite-accent);
  opacity: 1;
}

:root[data-theme="light"] .product-card,
:root[data-theme="light"] .proof-metrics article,
:root[data-theme="light"] .support-card,
:root[data-theme="light"] .role,
:root[data-theme="light"] .careers-reasons article,
:root[data-theme="light"] .contact-card,
:root[data-theme="light"] .product-detail-panel,
:root[data-theme="light"] .product-detail-media,
:root[data-theme="light"] .comparison-panel {
  border-radius: var(--radius);
  border-color: var(--glass-border);
}
:root[data-theme="light"] .product-card {
  background: linear-gradient(180deg, var(--glass-bg-strong), color-mix(in srgb, var(--product-panel) 68%, transparent));
  border-color: color-mix(in srgb, var(--orange-accent) 12%, var(--glass-border));
}
:root[data-theme="light"] .product-card::before {
  content: "Open";
  width: auto;
  height: auto;
  right: var(--s-4);
  top: var(--s-4);
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-chip-strong);
  color: var(--amber-deep);
  box-shadow: none;
  opacity: 0;
  transform: translateY(-6px);
}
:root[data-theme="light"] .product-card:hover::before {
  opacity: 1;
  transform: none;
}
:root[data-theme="light"] .product-card:hover {
  border-color: rgba(0,85,179,.28);
}
:root[data-theme="light"] .card-media {
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 42%, rgba(240,75,0,.08), transparent 42%),
    linear-gradient(180deg, #ffffff, var(--product-bg));
  border: 0;
}
:root[data-theme="light"] .card-media img {
  mix-blend-mode: multiply;
  filter: none;
}
:root[data-theme="light"] .card-en,
:root[data-theme="light"] .comparison-table td:last-child {
  color: var(--amber-deep);
}

:root[data-theme="light"] .newsroom {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 8%, rgba(0,85,179,.08), transparent 28%),
    radial-gradient(circle at 18% 72%, rgba(240,75,0,.08), transparent 30%),
    linear-gradient(145deg, var(--bg-alt), var(--bg) 52%, #f7fbff);
}
:root[data-theme="light"] .news-feature,
:root[data-theme="light"] .news-card {
  color: var(--ink);
  border-color: var(--glass-border);
  background:
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
  box-shadow: var(--glass-shadow);
}
:root[data-theme="light"] .news-feature {
  background:
    radial-gradient(circle at 86% 12%, rgba(0,85,179,.10), transparent 32%),
    linear-gradient(180deg, var(--glass-bg-strong), var(--glass-bg));
}
:root[data-theme="light"] .news-feature:hover,
:root[data-theme="light"] .news-card:hover {
  border-color: rgba(0,85,179,.28);
  box-shadow: var(--shadow);
}
:root[data-theme="light"] .news-feature-kicker,
:root[data-theme="light"] .news-meta {
  color: var(--amber-deep);
}
:root[data-theme="light"] .news-feature p,
:root[data-theme="light"] .news-card p:not(.news-meta) {
  color: var(--ink-2);
}

:root[data-theme="light"] .manufacturing {
  background:
    radial-gradient(circle at 74% 18%, rgba(0,166,200,.18), transparent 34%),
    linear-gradient(145deg, var(--validation-bg), #152435);
}
:root[data-theme="light"] .cap {
  border-radius: 14px;
  border-color: rgba(255,255,255,.14);
  border-left-color: var(--cyan-accent);
}
:root[data-theme="light"] .cap:nth-child(3n),
:root[data-theme="light"] .cap:nth-child(4n) {
  border-left-color: var(--cyan-accent);
}

:root[data-theme="light"] .app-list li {
  border-radius: var(--radius);
}
:root[data-theme="light"] .app-photo,
:root[data-theme="light"] .logo-slot {
  border-radius: 18px;
}
:root[data-theme="light"] .portal-cta {
  border-radius: var(--radius);
}
:root[data-theme="light"] .inquiry-form input,
:root[data-theme="light"] .inquiry-form textarea {
  border-radius: 12px;
}
:root[data-theme="light"] .customers {
  background:
    radial-gradient(circle at 18% 0%, rgba(238,72,0,.08), transparent 30%),
    radial-gradient(circle at 82% 12%, rgba(0,85,179,.08), transparent 32%),
    linear-gradient(135deg, var(--customer-bg), var(--bg) 48%, #edf3f8);
}
:root[data-theme="light"] .contact {
  background:
    radial-gradient(circle at 15% 0%, rgba(0,85,179,.16), transparent 34%),
    linear-gradient(180deg, var(--contact-bg), var(--bg));
}
:root[data-theme="light"] .inquiry-form input:focus,
:root[data-theme="light"] .inquiry-form textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .teardown {
    height: auto;
    padding: var(--s-7) var(--s-5) var(--s-8);
  }
  .teardown-sticky {
    position: static;
    height: auto;
    min-height: 0;
    padding: 0;
  }
  .viewer-label {
    left: auto;
    top: auto;
    margin-bottom: var(--s-3);
  }
  .viewer-stage {
    width: min(100%, 760px);
    transform:
      translateY(calc((1 - var(--explode)) * 10px))
      scale(calc(.96 + var(--explode) * .03));
  }
  .viewer-pins {
    width: auto;
    margin-top: var(--s-4);
  }
  .viewer-desc {
    bottom: auto;
    width: min(44ch, calc(100vw - 28px));
    border-radius: 18px;
    line-height: 1.45;
  }
  .product-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: var(--s-8);
    padding-bottom: var(--s-6);
  }
  .product-hero::before {
    inset: 0;
    width: auto;
    border-bottom-right-radius: 0;
  }
  .theater-panel { min-height: auto; }
  .hero-stage-header { position: static; margin-bottom: var(--s-3); }
  .product-hero .viewer-stage {
    height: min(430px, 54vh);
    margin-top: 0;
    transform: none;
  }
  .hero-render { transform: scale(1.02); }
  .hero-callout { min-width: 132px; padding: 10px 12px; }
  .callout-motor { left: 4%; top: 18%; }
  .callout-controller { right: 4%; top: 16%; }
  .callout-power { left: 8%; bottom: 10%; }
  .callout-ai { right: 5%; bottom: 8%; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .teardown-compact { grid-template-columns: 1fr; gap: var(--s-5); }
  .teardown-links { justify-content: flex-start; }
  .mfg-grid, .contact-grid, .store-promise, .company-proof { grid-template-columns: 1fr; gap: var(--s-5); }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-card-wide { min-height: 280px; }
  .store-promise-copy, .selling-grid { justify-self: center; width: min(100%, var(--container)); }
  .selling-grid { grid-template-columns: 1fr; }
  .selling-card { min-height: 220px; }
  .flywheel-loop, .product-grid, .stat-grid, .support-grid { grid-template-columns: repeat(2, 1fr); }
  .product-platform-head {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .product-platform-head .lede { max-width: 58ch; }
  .logo-slot { flex-basis: 220px; }
  .product-detail-grid,
  .product-detail-info { grid-template-columns: 1fr; }
  .product-detail-media { min-height: 420px; }
  .app-list, .role-list { grid-template-columns: repeat(3, 1fr); }
  .careers-reasons { grid-template-columns: 1fr; }
  .flywheel-stage:not(:last-child)::after { display: none; }
  h2 { font-size: var(--t-xl); }
  .hero-copy h1 { font-size: var(--t-2xl); }

  .nav-toggle { display: flex; }
  .brand-logo { height: 36px; max-width: 210px; }
  .site-nav {
    position: fixed; inset: 60px 0 auto 0; flex-direction: column; align-items: flex-start;
    gap: var(--s-4); background: var(--surface-card); padding: var(--s-6) var(--s-5); border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .25s var(--ease); box-shadow: var(--shadow);
  }
  .site-nav > a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .site-nav .nav-cta {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .site-nav.is-open { transform: translateY(0); }
  .lang-switch { margin-top: var(--s-2); }
  .viewer-commerce-row { display: none; }
  .viewer-hotspots { display: none; }
  .viewer-label { left: auto; top: auto; }
  .product-hero .viewer-label { left: clamp(18px, 4vw, 28px); top: clamp(18px, 4vw, 28px); }
  .viewer-scroll-guide {
    left: var(--s-5); top: 128px; bottom: auto;
  }
  .viewer-scroll-guide b { width: 98px; }
}
@media (max-width: 560px) {
  .section { padding: var(--s-8) var(--s-4); }
  .brand-logo { height: 32px; max-width: 178px; }
  .product-hero {
    padding: var(--s-7) var(--s-4) var(--s-6);
    gap: var(--s-5);
  }
  .product-hero .hero-copy h1 { font-size: 42px; max-width: none; }
  .product-hero .hero-sub { max-width: none; }
  .flywheel-loop, .product-grid, .stat-grid, .support-grid, .app-list, .role-list { grid-template-columns: 1fr; }
  .logo-wall {
    mask-image: none;
    -webkit-mask-image: none;
  }
  .logo-wall-track { gap: var(--s-3); animation-duration: 18s; }
  .logo-slot { flex-basis: 200px; min-height: 118px; }
  .product-detail-media { min-height: 320px; padding: var(--s-5); }
  .hero-copy h1 {
    font-size: clamp(32px, 9.2vw, 42px);
    max-width: none;
  }
  :root[data-theme="dark"] .hero::before {
    background-size: auto, min(86vw, 340px);
    background-position: center, right -120px 48%;
    opacity: .28;
  }
  :root[data-theme="dark"] .hero-copy h1 {
    font-size: clamp(32px, 9.2vw, 42px);
    max-width: none;
  }
  :root[data-theme="light"] .hero-copy h1 {
    font-size: clamp(32px, 9.2vw, 42px);
    max-width: none;
  }
  .product-hero .hero-copy h1 { font-size: 38px; }
  .hero-specs { justify-content: flex-start; }
  .hero-specs span { flex: 1 1 calc(50% - 8px); justify-content: center; min-width: 148px; }
  .hero-stage-header { gap: 8px; font-size: 10px; }
  .hero-callouts { display: none; }
  .proof-strip { grid-template-columns: 1fr; padding-inline: var(--s-4); margin-bottom: var(--s-5); }
  .proof-strip article { min-height: 78px; }
  .store-promise { padding-inline: var(--s-4); }
  .store-promise-copy { min-height: 300px; border-radius: 22px; }
  .section-head-gallery { margin-bottom: var(--s-6); }
  .section-head-gallery h2 {
    font-size: clamp(34px, 8vw, 48px);
    max-width: none;
  }
  .section-head-gallery .lede {
    max-width: 24ch;
    font-size: 16px;
    line-height: 1.55;
  }
  .gallery-card-wide { min-height: 280px; }
  .proof-metrics { grid-template-columns: 1fr; }
  .teardown {
    height: auto;
    padding: var(--s-6) var(--s-4) var(--s-7);
  }
  .teardown-sticky { padding-inline: 0; }
  .viewer-stage {
    width: min(370px, 94vw);
    aspect-ratio: 4 / 3;
    transform:
      translateY(calc((1 - var(--explode)) * 10px))
      scale(calc(.95 + var(--explode) * .035));
  }
  .product-hero .viewer-stage {
    width: 100%;
    height: min(330px, 42vh);
    transform: none;
  }
  .product-hero .motor-film {
    transform: scaleX(-1) scale(1.05);
  }
  .viewer-label { top: auto; max-width: calc(100vw - 32px); }
  .viewer-scroll-guide { top: 122px; left: var(--s-4); }
  .viewer-pins { gap: 6px; width: calc(100vw - 22px); }
  .pin {
    min-height: 36px; padding: 8px 11px; font-size: 12px;
  }
  .viewer-desc { bottom: auto; font-size: 12px; padding: 9px 12px; }
  .product-hero .viewer-desc { bottom: auto; font-size: 12px; }
  .comparison-panel { padding: var(--s-5) var(--s-4); }
  .comparison-head { display: block; }
  .comparison-head h3 { font-size: var(--t-lg); margin-top: var(--s-2); }
  .comparison-table { min-width: 660px; }
  .comparison-table th,
  .comparison-table td { padding: 14px 12px; }
  .sticky-inquiry { left: var(--s-4); right: var(--s-4); transform: translateY(150%); padding-left: var(--s-5); }
  .sticky-inquiry.is-visible { transform: translateY(0); }
}

/* ---------- Apple-grade polish ---------- */
.apple-hero {
  padding: clamp(112px, 12vw, 172px) var(--s-5) clamp(58px, 7vw, 96px);
  isolation: isolate;
}
.apple-hero .hero-copy h1 {
  margin-top: 14px;
  margin-bottom: 18px;
  font-weight: 790;
}
.apple-hero .hero-sub {
  font-size: clamp(19px, 1.7vw, 24px);
  line-height: 1.48;
}
.hero-eyebrow {
  letter-spacing: .18em;
}
.hero-proofline {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: var(--s-5) auto 0;
  max-width: 820px;
}
.hero-proof {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-card) 82%, transparent);
  color: var(--ink);
  box-shadow: 0 10px 34px rgba(17,24,39,.06);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.hero-proof b {
  font-family: var(--font-latin);
  font-size: var(--t-xs);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-proof em {
  color: var(--ink-2);
  font-size: var(--t-xs);
  font-style: normal;
  font-weight: 700;
}
:root[data-theme="light"] .apple-hero {
  background:
    radial-gradient(circle at 50% 0%, rgba(0,113,227,.08), transparent 34%),
    linear-gradient(180deg, #fbfbfd 0%, var(--bg) 70%, var(--bg-alt) 100%);
}
:root[data-theme="dark"] .apple-hero {
  background:
    radial-gradient(circle at 50% -10%, rgba(0,113,227,.20), transparent 34%),
    linear-gradient(180deg, #000 0%, #050608 74%, var(--bg-alt) 100%);
}
:root[data-theme="dark"] .hero-proof {
  background: rgba(255,255,255,.055);
  border-color: rgba(255,255,255,.13);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 18px 54px rgba(0,0,0,.28);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.25vw, 18px);
  align-items: stretch;
}
.product-tile {
  min-height: clamp(300px, 24vw, 380px);
  height: clamp(300px, 24vw, 380px);
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1vw, 14px);
  align-items: stretch;
  padding: clamp(14px, 1.35vw, 20px);
  border-radius: 22px;
  overflow: hidden;
}
.product-tile .card-media {
  width: 100%;
  min-height: clamp(96px, 9vw, 128px);
  flex: 0 0 clamp(96px, 9vw, 128px);
  margin: 0;
  border-radius: 18px;
}
.product-tile .card-media img {
  width: min(86%, 184px);
  height: min(84%, 132px);
  object-fit: contain;
  margin: auto;
}
.product-tile-copy {
  display: grid;
  gap: 7px;
  align-content: start;
  flex: 1;
}
.product-tile h3 {
  font-size: clamp(20px, 1.45vw, 28px);
  line-height: 1.12;
  max-width: none;
}
.product-tile .card-desc {
  max-width: none;
  font-size: clamp(13px, .95vw, 15px);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-specs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: var(--s-2) 0 0;
}
.product-specs li:nth-child(n+3) { display: none; }
.product-specs li {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--surface-chip);
  font-size: 11px;
  font-weight: 720;
}
:root[data-theme="light"] .product-tile {
  background:
    radial-gradient(circle at 50% 12%, rgba(0,113,227,.07), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,250,252,.76));
  border-color: rgba(0,0,0,.07);
  box-shadow: 0 28px 90px rgba(17,24,39,.08);
}
:root[data-theme="dark"] .product-tile {
  background:
    radial-gradient(circle at 72% 8%, rgba(0,113,227,.18), transparent 34%),
    linear-gradient(180deg, rgba(17,21,28,.96), rgba(8,10,14,.92));
  border-color: rgba(255,255,255,.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 30px 100px rgba(0,0,0,.42);
}
:root[data-theme="dark"] .product-specs li {
  border-color: rgba(255,255,255,.13);
  background: rgba(255,255,255,.055);
  color: var(--ink-2);
}

.news-feature {
  grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr);
  align-items: stretch;
  align-content: stretch;
  gap: clamp(18px, 2vw, 28px);
  padding: clamp(14px, 1.8vw, 24px);
  min-height: 0;
}
.news-feature-media {
  aspect-ratio: 16 / 10;
  min-height: 320px;
  overflow: hidden;
  border-radius: 22px;
  background: var(--surface-card);
}
.news-feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.96) contrast(1.02);
}
.news-feature-copy {
  display: grid;
  align-content: end;
  gap: var(--s-3);
  padding: clamp(18px, 2.4vw, 34px);
}
.news-card {
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--s-3);
}
.news-card h3,
.news-card p {
  grid-column: auto;
}
.news-card-body {
  display: grid;
  gap: 8px;
}
.news-card-index {
  font-family: var(--font-latin);
  color: var(--ink-2);
  font-weight: 800;
  font-size: var(--t-sm);
  line-height: 1;
}
:root[data-theme="light"] .news-feature,
:root[data-theme="light"] .news-card {
  border-radius: 28px;
  background: rgba(255,255,255,.78);
}
:root[data-theme="dark"] .news-feature,
:root[data-theme="dark"] .news-card {
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(17,21,28,.92), rgba(7,10,15,.86));
}

[data-parallax] {
  --parallax-y: 0px;
  transform: translateY(var(--parallax-y));
  will-change: transform;
}
.product-card:hover .card-media img[data-parallax],
.gallery-card-wide:hover img[data-parallax],
.news-feature:hover img[data-parallax] {
  transform: translateY(calc(var(--parallax-y, 0px) - 4px)) scale(1.025);
}

@media (max-width: 980px) {
  .apple-hero { padding-top: var(--s-8); }
  .product-grid { grid-template-columns: 1fr; }
  .product-tile,
  .product-tile:first-child,
  .product-tile:nth-child(3) {
    grid-column: auto;
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .newsroom-head,
  .newsroom-grid,
  .news-feature {
    grid-template-columns: 1fr;
  }
  .news-feature-media { min-height: 260px; }
}

@media (max-width: 560px) {
  .product-tile {
    border-radius: 22px;
    padding: var(--s-5);
  }
  .product-tile .card-media { min-height: 220px; border-radius: 18px; }
  .news-feature-media { min-height: 210px; border-radius: 18px; }
  .news-card { grid-template-columns: 34px minmax(0, 1fr); }
  .news-arrow { display: none; }
}

/* ---------- Stitch precision lab pass (stitch refined) ---------- */
:root {
  --product-shadow: 0 26px 72px rgba(26,42,64,.09);
  --lab-hairline: rgba(15,23,42,.08);
  --lab-blue: #0055b3;
  --lab-cyan: #009fb8;
  --lab-orange: #ee4800;
}

:root[data-theme="light"] {
  --bg: #f5f8fa;
  --bg-alt: #eaf0f6;
  --ink: #1a1c1e;
  --ink-2: #656a72;
  --line: #dbe3ed;
  --amber: #0055b3;
  --amber-deep: #003b7e;
  --cyan-accent: #009fb8;
  --orange-accent: #ee4800;
  --surface-card: #ffffff;
  --surface-field: #ffffff;
  --surface-chip: rgba(255,255,255,.78);
  --surface-chip-strong: rgba(255,255,255,.92);
  --glass-bg: rgba(255,255,255,.60);
  --glass-bg-strong: rgba(255,255,255,.82);
  --glass-border: rgba(15,23,42,.07);
  --glass-shadow: 0 22px 64px rgba(26,42,64,.07), inset 0 1px 0 rgba(255,255,255,.88);
  --product-shadow: 0 26px 72px rgba(26,42,64,.09);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #06080a;
  --bg-alt: #0f161f;
  --dark: #000000;
  --ink: #f3f4f6;
  --ink-2: #b0b6c0;
  --line: #263241;
  --amber: #3b9eff;
  --amber-deep: #72baff;
  --cyan-accent: #3ed4ee;
  --orange-accent: #ff6e30;
  --surface-card: #11151d;
  --surface-field: #090c12;
  --surface-chip: rgba(255,255,255,.065);
  --surface-chip-strong: rgba(255,255,255,.10);
  --glass-bg: rgba(12,16,24,.68);
  --glass-bg-strong: rgba(18,23,33,.84);
  --glass-border: rgba(255,255,255,.11);
  --glass-shadow: 0 26px 84px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.05);
  --product-shadow: 0 34px 110px rgba(0,0,0,.44);
  color-scheme: dark;
}

:root[data-theme="light"] body {
  background:
    linear-gradient(180deg, #fbfbfd 0%, var(--bg) 42%, var(--bg-alt) 100%);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 50% -12%, rgba(59,158,255,.18), transparent 32%),
    radial-gradient(circle at 84% 18%, rgba(255,110,48,.08), transparent 26%),
    linear-gradient(180deg, #000 0%, var(--bg) 38%, var(--bg-alt) 100%);
}

:root[data-theme="dark"] body::before {
  opacity: .32;
  background-image:
    linear-gradient(rgba(41,151,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41,151,255,.045) 1px, transparent 1px);
}

.precision-lab-hero {
  position: relative;
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  justify-items: center;
  gap: clamp(22px, 3.4vw, 42px);
  overflow: hidden;
  text-align: center;
  padding-top: clamp(54px, 6vw, 86px);
  padding-bottom: clamp(34px, 4.5vw, 58px);
}

.precision-lab-hero::before,
.precision-lab-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.precision-lab-hero::before {
  inset: 76px max(18px, calc((100vw - var(--container)) / 2 + 20px)) auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lab-hairline), transparent);
}

.precision-lab-hero::after {
  left: 50%;
  top: 49%;
  width: min(980px, 72vw);
  height: min(980px, 72vw);
  transform: translate(-50%, -50%);
  border: 1px solid var(--lab-hairline);
  border-radius: 50%;
  opacity: .55;
}

.precision-lab-hero .hero-copy,
.hero-lab-visual {
  position: relative;
  z-index: 1;
}

.precision-lab-hero .hero-copy {
  max-width: 1040px;
  margin-inline: auto;
  justify-self: center;
  text-align: center;
}

.precision-lab-hero .hero-eyebrow {
  text-align: center;
}

.precision-lab-hero .hero-copy h1 {
  font-size: clamp(74px, 7.2vw, 126px);
  line-height: 1;
  max-width: 10em;
  margin-inline: auto;
}

.precision-lab-hero .hero-sub {
  margin-inline: 0;
  max-width: 42ch;
}

.precision-lab-hero .hero-proofline,
.precision-lab-hero .hero-actions {
  justify-content: center;
  margin-inline: auto;
}

.hero-lab-visual {
  width: min(980px, 82vw);
  aspect-ratio: 16 / 5.8;
  margin: 0 auto;
  border: 1px solid var(--glass-border);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.58));
  box-shadow: 0 30px 90px rgba(17,24,39,.10), inset 0 1px 0 rgba(255,255,255,.88);
  overflow: hidden;
  isolation: isolate;
}

.hero-lab-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0,85,179,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,85,179,.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 50% 55%, #000 0 48%, transparent 78%);
  opacity: .68;
}

.hero-lab-line {
  position: absolute;
  left: 7%;
  right: 7%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,85,179,.24), transparent);
}

.hero-lab-line-top { top: 18%; }
.hero-lab-line-bottom { bottom: 20%; }

.hero-product-plate {
  position: absolute;
  background: transparent;
  border: 1px solid rgba(15,23,42,.08);
  box-shadow: var(--product-shadow);
  overflow: hidden;
}

.hero-product-plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
}

.hero-product-plate-main {
  inset: 0;
  border-radius: 34px;
}

.hero-lab-badge {
  position: absolute;
  z-index: 2;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--surface-chip-strong);
  color: var(--ink);
  font-family: var(--font-latin);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: .11em;
  text-transform: uppercase;
  box-shadow: 0 14px 42px rgba(17,24,39,.08);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.badge-power { left: 12%; top: 25%; color: var(--amber-deep); }
.badge-control { right: 11%; top: 24%; color: var(--cyan-accent); }
.badge-validation { left: 17%; bottom: 22%; color: var(--orange-accent); }

.hero-power-trace {
  position: absolute;
  left: 14%;
  right: 14%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--lab-blue), var(--lab-cyan), var(--lab-orange), transparent);
  opacity: .42;
  filter: blur(.1px);
}

:root[data-theme="light"] .precision-lab-hero {
  background:
    radial-gradient(circle at 50% 0%, rgba(0,85,179,.075), transparent 34%),
    linear-gradient(180deg, #fbfbfd 0%, #f5f7fa 70%, #eef3f8 100%);
}

:root[data-theme="dark"] .precision-lab-hero {
  background:
    radial-gradient(circle at 50% -14%, rgba(41,151,255,.28), transparent 34%),
    radial-gradient(circle at 74% 72%, rgba(255,107,0,.13), transparent 24%),
    linear-gradient(180deg, #000 0%, #030406 74%, #0a0f16 100%);
}

:root[data-theme="dark"] .hero-lab-visual {
  background:
    radial-gradient(circle at 52% 50%, rgba(41,151,255,.16), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.022));
  border-color: rgba(255,255,255,.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 34px 120px rgba(0,0,0,.42);
}

:root[data-theme="dark"] .hero-product-plate {
  background:
    radial-gradient(circle at 50% 46%, rgba(35,43,55,.92), rgba(7,10,15,.78) 65%, rgba(0,0,0,.46));
  border-color: rgba(255,255,255,.10);
}

:root[data-theme="dark"] .hero-product-plate img {
  filter: drop-shadow(0 30px 64px rgba(0,0,0,.48));
}

:root[data-theme="light"] .precision-lab-hero,
:root[data-theme="dark"] .precision-lab-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  justify-items: center;
  text-align: center;
  min-height: calc(86vh - 70px);
  gap: clamp(22px, 3.4vw, 42px);
  padding-top: clamp(54px, 6vw, 86px);
  padding-bottom: clamp(34px, 4.5vw, 58px);
}

:root[data-theme="light"] .precision-lab-hero .hero-copy,
:root[data-theme="dark"] .precision-lab-hero .hero-copy {
  max-width: 1040px;
  margin-inline: auto;
  justify-self: center;
  text-align: center;
}

:root[data-theme="light"] .precision-lab-hero .hero-copy h1,
:root[data-theme="dark"] .precision-lab-hero .hero-copy h1 {
  font-size: clamp(74px, 7.2vw, 126px);
  line-height: 1;
  max-width: 10em;
  margin-inline: auto;
}

:root[data-theme="light"] .precision-lab-hero .hero-sub,
:root[data-theme="dark"] .precision-lab-hero .hero-sub {
  margin-inline: 0;
  max-width: 42ch;
}

:root[data-theme="light"] .precision-lab-hero .hero-proofline,
:root[data-theme="dark"] .precision-lab-hero .hero-proofline,
:root[data-theme="light"] .precision-lab-hero .hero-actions,
:root[data-theme="dark"] .precision-lab-hero .hero-actions {
  justify-content: center;
  margin-inline: auto;
}

.platform-lab-section {
  position: relative;
}

.platform-lab-section .product-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  counter-reset: platform-card;
}

.platform-lab-grid .product-tile {
  counter-increment: platform-card;
  border-radius: 20px;
}

.platform-lab-grid .product-tile::before {
  content: "L" counter(platform-card);
  opacity: 1;
  transform: none;
  width: auto;
  height: auto;
  right: 14px;
  top: 14px;
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--amber-deep);
  border: 1px solid var(--glass-border);
  background: var(--surface-chip-strong);
  box-shadow: none;
}

.platform-lab-grid .product-tile::after {
  background: linear-gradient(90deg, var(--lab-blue), var(--lab-cyan), var(--lab-orange));
}

:root[data-theme="light"] .platform-lab-grid .product-tile {
  background:
    radial-gradient(circle at 50% 8%, rgba(0,85,179,.055), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.78));
  box-shadow: 0 24px 70px rgba(17,24,39,.075);
}

:root[data-theme="dark"] .platform-lab-grid .product-tile {
  background:
    radial-gradient(circle at 70% 8%, rgba(41,151,255,.16), transparent 34%),
    linear-gradient(180deg, rgba(17,21,29,.96), rgba(6,8,12,.92));
}

.newsroom-editorial .news-feature-media {
  border-radius: 28px;
  box-shadow: var(--product-shadow);
}

.newsroom-editorial .news-feature,
.newsroom-editorial .news-card {
  border-radius: 28px;
}

:root[data-theme="light"] .newsroom-editorial {
  background:
    radial-gradient(circle at 78% 4%, rgba(0,85,179,.07), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
}

:root[data-theme="dark"] .newsroom-editorial {
  background:
    radial-gradient(circle at 72% 8%, rgba(41,151,255,.16), transparent 28%),
    radial-gradient(circle at 18% 72%, rgba(255,107,0,.10), transparent 30%),
    linear-gradient(145deg, #000, #0a0f16 54%, #030406);
}

@keyframes labVisualSettle {
  from { opacity: 0; transform: translateY(22px) scale(.985); }
  to { opacity: 1; transform: none; }
}

@keyframes labTraceFlow {
  0% { transform: translateX(-10%); opacity: .22; }
  50% { opacity: .58; }
  100% { transform: translateX(10%); opacity: .22; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-lab-visual {
    animation: labVisualSettle .78s var(--ease) .08s both;
  }
  .hero-power-trace {
    animation: labTraceFlow 4.6s var(--ease) infinite alternate;
  }
  .hero-product-plate-main {
    transition: transform .48s var(--ease);
  }
  .precision-lab-hero:hover .hero-product-plate-main {
    transform: translateY(-4px);
  }
}

@media (max-width: 980px) {
  .precision-lab-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--s-8);
    padding-bottom: var(--s-6);
  }
  .precision-lab-hero .hero-copy {
    max-width: 820px;
    margin-inline: auto;
  }
  .precision-lab-hero .hero-copy h1 {
    max-width: none;
  }
  .precision-lab-hero .hero-sub {
    margin-inline: auto;
    max-width: 52ch;
  }
  .precision-lab-hero .hero-proofline,
  .precision-lab-hero .hero-actions {
    justify-content: center;
  }
  .hero-lab-visual {
    width: min(860px, 92vw);
    aspect-ratio: 16 / 6.6;
    border-radius: 24px;
  }
  .hero-product-plate-main {
    inset: 0;
    width: auto;
    height: auto;
  }
  .hero-product-plate-secondary {
    right: 5%;
    width: 30%;
  }
  .platform-lab-section .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root[data-theme="light"] .precision-lab-hero,
  :root[data-theme="dark"] .precision-lab-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--s-8);
    padding-bottom: var(--s-6);
  }

  :root[data-theme="light"] .precision-lab-hero .hero-copy,
  :root[data-theme="dark"] .precision-lab-hero .hero-copy {
    max-width: 820px;
    margin-inline: auto;
  }

  :root[data-theme="light"] .precision-lab-hero .hero-copy h1,
  :root[data-theme="dark"] .precision-lab-hero .hero-copy h1 {
    max-width: none;
  }

  :root[data-theme="light"] .precision-lab-hero .hero-sub,
  :root[data-theme="dark"] .precision-lab-hero .hero-sub {
    margin-inline: auto;
    max-width: 52ch;
  }

  :root[data-theme="light"] .precision-lab-hero .hero-proofline,
  :root[data-theme="dark"] .precision-lab-hero .hero-proofline,
  :root[data-theme="light"] .precision-lab-hero .hero-actions,
  :root[data-theme="dark"] .precision-lab-hero .hero-actions {
    justify-content: center;
  }
}

@media (max-height: 780px) and (min-width: 981px) {
  :root[data-theme="light"] .precision-lab-hero,
  :root[data-theme="dark"] .precision-lab-hero {
    gap: clamp(14px, 2.4vh, 20px);
    padding-top: clamp(24px, 4vh, 36px);
    padding-bottom: clamp(20px, 3vh, 30px);
  }

  :root[data-theme="light"] .precision-lab-hero .hero-copy h1,
  :root[data-theme="dark"] .precision-lab-hero .hero-copy h1 {
    font-size: clamp(82px, 6vw, 112px);
    line-height: .98;
  }

  .hero-lab-visual {
    width: min(840px, 74vw);
    aspect-ratio: 16 / 5.7;
  }
}

@media (max-width: 560px) {
  .precision-lab-hero {
    padding-top: var(--s-7);
    padding-bottom: var(--s-5);
    gap: var(--s-5);
  }
  .precision-lab-hero .hero-copy h1 {
    font-size: clamp(42px, 11vw, 56px);
  }
  .precision-lab-hero .hero-sub {
    font-size: 16px;
    line-height: 1.5;
  }
  .precision-lab-hero .hero-proofline {
    gap: 6px;
    margin-top: var(--s-4);
  }
  .precision-lab-hero .hero-proof {
    min-height: 30px;
    padding-inline: 10px;
  }
  .precision-lab-hero .hero-actions {
    margin-top: var(--s-4);
  }
  .hero-lab-visual {
    width: min(390px, 92vw);
    aspect-ratio: 16 / 8.8;
    border-radius: 22px;
  }
  .hero-product-plate-main {
    inset: 0;
    width: auto;
    height: auto;
  }
  .hero-product-plate-secondary {
    width: 36%;
    height: 34%;
    right: 4%;
    bottom: 8%;
  }

  :root[data-theme="light"] .precision-lab-hero,
  :root[data-theme="dark"] .precision-lab-hero {
    padding-top: var(--s-7);
    padding-bottom: var(--s-5);
    gap: var(--s-5);
  }

  :root[data-theme="light"] .precision-lab-hero .hero-copy h1,
  :root[data-theme="dark"] .precision-lab-hero .hero-copy h1 {
    font-size: clamp(42px, 11vw, 56px);
  }

  :root[data-theme="light"] .precision-lab-hero .hero-sub,
  :root[data-theme="dark"] .precision-lab-hero .hero-sub {
    font-size: 16px;
    line-height: 1.5;
  }

  :root[data-theme="light"] .precision-lab-hero .hero-proofline,
  :root[data-theme="dark"] .precision-lab-hero .hero-proofline {
    gap: 6px;
    margin-top: var(--s-4);
  }

  :root[data-theme="light"] .precision-lab-hero .hero-actions,
  :root[data-theme="dark"] .precision-lab-hero .hero-actions {
    margin-top: var(--s-4);
  }
  .hero-lab-badge {
    min-height: 30px;
    font-size: 10px;
    padding-inline: 9px;
  }
  .badge-power { left: 8%; top: 8%; }
  .badge-control { right: 7%; top: 18%; }
  .badge-validation { left: 10%; bottom: 10%; }
  .platform-lab-section .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .logo-wall-track { animation: none; }
  .hotspot-dot { animation: none; }
  /* No long pinned scroll region; show the motor as a normal block (slider still works) */
  .teardown { height: auto; }
  .teardown-sticky { position: static; height: 86vh; min-height: 620px; }
  .viewer-stage {
    transform: translate(-50%, -50%);
    border-radius: 28px;
  }
}