/* TeslaVin.com – design system
   Dark-first, light supported. No external fonts or requests. */

:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.2, .8, .2, 1);

  --accent: #ff4a4a;
  --accent-2: #ff8a4c;
  --accent-ink: #fff;

  /* VIN segment colours */
  --c-wmi: #5aa9ff;
  --c-model: #ff5a5f;
  --c-body: #ff9a3c;
  --c-restraint: #f5c542;
  --c-battery: #3ddc97;
  --c-motor: #2fd0d0;
  --c-check: #a78bfa;
  --c-year: #f472b6;
  --c-plant: #a3e635;
  --c-serial: #9aa3b5;
}

:root[data-theme="dark"] {
  --bg: #0a0b0f;
  --bg-2: #0f1117;
  --surface: #14171f;
  --surface-2: #1a1e29;
  --line: #262b39;
  --text: #f2f4f8;
  --muted: #98a0b3;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #ff5d6c;
  --info: #60a5fa;
  --shadow: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 20px 50px -24px rgba(0, 0, 0, .8);
  --glow: radial-gradient(60% 60% at 50% 0%, rgba(255, 74, 74, .22), transparent 70%);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f5f6f8;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #f0f2f6;
  --line: #dfe3ea;
  --text: #14161c;
  --muted: #586073;
  --accent: #e5192e;
  --accent-2: #f2602a;
  --ok: #0f9d6b;
  --warn: #b7791f;
  --bad: #d62839;
  --info: #2563eb;
  --shadow: 0 1px 2px rgba(20, 22, 28, .06), 0 18px 40px -24px rgba(20, 22, 28, .25);
  --glow: radial-gradient(60% 60% at 50% 0%, rgba(229, 25, 46, .12), transparent 70%);
  --c-wmi: #2f7fd8;
  --c-model: #e5383b;
  --c-body: #e07a10;
  --c-restraint: #b8860b;
  --c-battery: #0f9d6b;
  --c-motor: #0e9aa7;
  --c-check: #7c5ce0;
  --c-year: #d6397f;
  --c-plant: #5e8f12;
  --c-serial: #6b7385;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }

.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(780px, 100% - 40px); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -48px; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; transition: top .15s; }
.skip-link:focus { top: 12px; }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: saturate(1.4) blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { border-radius: 10px; }
.brand-word { font-size: 1.35rem; letter-spacing: -.03em; }
.b-light { font-weight: 300; }
.b-bold { font-weight: 800; color: var(--accent); }
.b-com { font-weight: 400; font-size: .8em; color: var(--muted); margin-left: 1px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 999px; font-size: .94rem; font-weight: 500; transition: color .15s, background .15s; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.header-controls { display: flex; align-items: center; gap: 8px; }

.seg { display: inline-flex; padding: 3px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; }
.seg-btn { border: 0; background: transparent; padding: 5px 11px; border-radius: 999px; font-size: .8rem; font-weight: 700; letter-spacing: .04em; color: var(--muted); cursor: pointer; }
.seg-btn[aria-pressed="true"] { background: var(--text); color: var(--bg); }

.icon-btn {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text); cursor: pointer;
  transition: transform .15s var(--ease), border-color .15s;
}
.icon-btn:hover { border-color: var(--muted); }
.icon-btn:active { transform: scale(.94); }
.icon-btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.icon-btn.sm { width: 32px; height: 32px; }

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative; isolation: isolate; padding: 64px 0 36px; text-align: center;
  background: var(--glow);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 50% 20%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 20%, #000 20%, transparent 75%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; margin-bottom: 20px;
  font-size: .82rem; font-weight: 600; color: var(--muted);
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 25%, transparent); }
h1 { font-size: clamp(2.3rem, 6.2vw, 4.4rem); font-weight: 800; letter-spacing: -.045em; }
.lead { max-width: 660px; margin: 18px auto 34px; font-size: 1.12rem; color: var(--muted); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.tool { text-align: left; max-width: 920px; margin-inline: auto; padding: 8px; }
.tabs { display: flex; gap: 4px; padding: 4px; margin: 4px 4px 0; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; width: fit-content; }
.tab { border: 0; background: transparent; padding: 8px 18px; border-radius: 9px; font-weight: 600; font-size: .92rem; color: var(--muted); cursor: pointer; transition: background .15s, color .15s; }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { background: var(--surface-2); color: var(--text); box-shadow: 0 0 0 1px var(--line); }
.panel { padding: 20px 16px 16px; }
.panel-intro { color: var(--muted); margin-bottom: 14px; font-size: .95rem; }

/* VIN input */
.vin-field {
  position: relative; display: flex; align-items: center; gap: 6px;
  background: var(--bg-2); border: 1.5px solid var(--line); border-radius: 14px; padding: 0 10px 0 18px;
  transition: border-color .15s, box-shadow .15s;
}
.vin-field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.vin-field.is-bad { border-color: var(--bad); }
.vin-field.is-good { border-color: var(--ok); }
#vin-input {
  flex: 1; min-width: 0; height: 68px; border: 0; background: transparent; color: var(--text);
  font-family: var(--mono); font-size: clamp(1.05rem, 3.6vw, 1.7rem); font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; outline: none;
}
#vin-input::placeholder { color: var(--muted); font-weight: 400; letter-spacing: .02em; text-transform: none; font-size: 1rem; opacity: .75; }
.vin-count { font-family: var(--mono); font-size: .8rem; color: var(--muted); padding: 2px 8px; background: var(--surface-2); border-radius: 999px; }
.vin-progress { height: 3px; margin: 8px 6px 0; border-radius: 3px; background: var(--line); overflow: hidden; }
.vin-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .2s var(--ease); }
.vin-hint { min-height: 24px; margin: 8px 6px 0; font-size: .88rem; color: var(--muted); }
.vin-hint b { color: var(--text); font-weight: 600; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); color: var(--text);
  font-weight: 600; font-size: .95rem; cursor: pointer; text-decoration: none;
  transition: transform .15s var(--ease), border-color .15s, background .15s;
}
.btn:hover { border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; color: var(--accent-ink); box-shadow: 0 10px 24px -10px var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.sm { min-height: 36px; padding: 0 14px; font-size: .86rem; border-radius: 10px; }
.btn.is-on { border-color: var(--warn); color: var(--warn); }
.link-btn { border: 0; background: none; padding: 0; color: var(--muted); font-size: .82rem; text-decoration: underline; cursor: pointer; }
.link-btn:hover { color: var(--text); }

.chips-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-top: 16px; }
.chips-label { font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text);
  font-size: .84rem; cursor: pointer; transition: border-color .15s, transform .15s var(--ease);
}
.chip:hover { border-color: var(--accent); transform: translateY(-1px); }
.chip small { font-family: var(--mono); color: var(--muted); font-size: .74rem; }
.chip .x { margin-left: 2px; color: var(--muted); font-size: 1rem; line-height: 1; padding: 0 2px; }
.chip .x:hover { color: var(--bad); }
.chip .star { color: var(--warn); }

.trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; list-style: none; padding: 0; margin: 28px 0 0; color: var(--muted); font-size: .9rem; }
.trust li { display: inline-flex; align-items: center; gap: 8px; }
.trust svg { color: var(--ok); }

/* ---------------------------------------------------------------- results */
.result { margin-top: 26px; padding-top: 24px; border-top: 1px dashed var(--line); animation: rise .45s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.result-head { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: flex-start; justify-content: space-between; }
.result-title { font-size: clamp(1.6rem, 4.4vw, 2.5rem); font-weight: 800; letter-spacing: -.04em; }
.result-sub { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.result-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px;
  font-size: .8rem; font-weight: 600; background: var(--surface-2); border: 1px solid var(--line); color: var(--text);
}
.pill svg { width: 14px; height: 14px; }
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); background: color-mix(in srgb, var(--ok) 10%, var(--surface)); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); background: color-mix(in srgb, var(--warn) 10%, var(--surface)); }
.pill.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 45%, var(--line)); background: color-mix(in srgb, var(--bad) 10%, var(--surface)); }
.pill.info { color: var(--info); border-color: color-mix(in srgb, var(--info) 45%, var(--line)); background: color-mix(in srgb, var(--info) 10%, var(--surface)); }

.notices { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; }
.notice { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border-radius: 12px; font-size: .92rem; border: 1px solid var(--line); background: var(--surface-2); }
.notice svg { flex: none; width: 18px; height: 18px; margin-top: 2px; }
.notice.warn { border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); } .notice.warn svg { color: var(--warn); }
.notice.bad { border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); } .notice.bad svg { color: var(--bad); }
.notice.info svg { color: var(--info); }

.suggest { margin-top: 14px; padding: 14px; border-radius: 12px; border: 1px dashed var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.suggest h4 { font-size: .95rem; margin-bottom: 10px; }
.suggest ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.suggest button {
  width: 100%; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 14px; align-items: center;
  padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; text-align: left;
}
.suggest button:hover { border-color: var(--accent); }
.suggest code { font-family: var(--mono); letter-spacing: .06em; font-size: .95rem; }
.suggest code mark { background: var(--accent); color: #fff; padding: 0 2px; border-radius: 3px; }
.suggest span { color: var(--muted); font-size: .82rem; }

/* VIN ribbon */
.ribbon { display: grid; grid-template-columns: repeat(17, minmax(0, 1fr)); gap: clamp(2px, .6vw, 6px); margin-top: 26px; }
.cell {
  --seg: var(--c-serial);
  appearance: none; border: 0; padding: 0; cursor: pointer;
  display: grid; place-items: center; aspect-ratio: 3 / 4;
  font-family: var(--mono); font-weight: 700; font-size: clamp(.78rem, 3.1vw, 1.75rem); color: var(--text);
  background: color-mix(in srgb, var(--seg) 14%, var(--surface));
  border-radius: clamp(4px, 1vw, 10px);
  box-shadow: inset 0 -3px 0 var(--seg);
  transition: transform .15s var(--ease), background .15s;
  animation: pop .4s var(--ease) both;
  animation-delay: calc(var(--i) * 18ms);
}
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.9); } to { opacity: 1; transform: none; } }
.cell:hover, .cell.is-active { transform: translateY(-3px); background: color-mix(in srgb, var(--seg) 30%, var(--surface)); }
.cell.is-dim { opacity: .35; }
.ribbon-nums { display: grid; grid-template-columns: repeat(17, minmax(0, 1fr)); gap: clamp(2px, .6vw, 6px); margin-top: 6px; font-family: var(--mono); font-size: clamp(.55rem, 1.9vw, .72rem); color: var(--muted); text-align: center; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 14px; font-size: .78rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; background: var(--seg); display: inline-block; }

.seg-wmi { --seg: var(--c-wmi); } .seg-model { --seg: var(--c-model); } .seg-body { --seg: var(--c-body); }
.seg-restraint { --seg: var(--c-restraint); } .seg-battery { --seg: var(--c-battery); } .seg-motor { --seg: var(--c-motor); }
.seg-check { --seg: var(--c-check); } .seg-year { --seg: var(--c-year); } .seg-plant { --seg: var(--c-plant); } .seg-serial { --seg: var(--c-serial); }

/* field cards */
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 12px; margin-top: 26px; }
.field {
  position: relative; padding: 16px 16px 14px 18px; border-radius: 14px; background: var(--bg-2);
  border: 1px solid var(--line); overflow: hidden; transition: border-color .15s, transform .15s var(--ease);
}
.field::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--seg); }
.field.is-active { border-color: var(--seg); transform: translateY(-2px); }
.field-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .74rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.field-code { display: inline-block; margin: 10px 0 6px; padding: 2px 10px; border-radius: 8px; font-family: var(--mono); font-weight: 700; font-size: 1.05rem; letter-spacing: .12em; background: color-mix(in srgb, var(--seg) 18%, transparent); color: var(--seg); }
.field-value { font-weight: 650; font-size: 1.02rem; line-height: 1.35; }
.field-detail { margin-top: 6px; font-size: .84rem; color: var(--muted); }
.conf { display: inline-flex; align-items: center; gap: 5px; text-transform: none; letter-spacing: 0; font-weight: 600; }
.conf i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.conf.high i { background: var(--ok); } .conf.medium i { background: var(--warn); } .conf.low i { background: var(--bad); }

/* check digit maths */
.calc { margin-top: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-2); }
.calc summary { cursor: pointer; padding: 14px 16px; font-weight: 650; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.calc summary::-webkit-details-marker { display: none; }
.calc summary::after { content: "+"; font-size: 1.3rem; color: var(--muted); transition: transform .2s; }
.calc[open] summary::after { transform: rotate(45deg); }
.calc-body { padding: 0 16px 16px; overflow-x: auto; }
.calc table { border-collapse: collapse; font-family: var(--mono); font-size: .82rem; min-width: 640px; width: 100%; }
.calc th, .calc td { padding: 6px 4px; text-align: center; border-bottom: 1px solid var(--line); }
.calc th { text-align: left; font-family: var(--font); color: var(--muted); font-weight: 600; padding-right: 10px; white-space: nowrap; }
.calc td.is-check { background: color-mix(in srgb, var(--c-check) 18%, transparent); color: var(--c-check); font-weight: 700; }
.calc-sum { margin-top: 12px; font-size: .92rem; color: var(--muted); }
.calc-sum b { color: var(--text); font-family: var(--mono); }

/* NHTSA + recalls */
.block { margin-top: 22px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-2); }
.block-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.block-head h3 { font-size: 1.05rem; letter-spacing: -.01em; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 12px 22px; margin: 0; }
.kv div { min-width: 0; }
.kv dt { font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.kv dd { margin: 2px 0 0; font-weight: 600; overflow-wrap: anywhere; }
.skeleton { height: 14px; border-radius: 6px; background: linear-gradient(90deg, var(--surface-2), var(--line), var(--surface-2)); background-size: 200% 100%; animation: shimmer 1.2s linear infinite; margin: 8px 0; }
@keyframes shimmer { to { background-position: -200% 0; } }
.muted { color: var(--muted); font-size: .9rem; }

.recalls { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.recall { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.recall summary { cursor: pointer; padding: 12px 14px; display: grid; gap: 4px; list-style: none; }
.recall summary::-webkit-details-marker { display: none; }
.recall-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: .78rem; color: var(--muted); }
.recall-meta a { font-family: var(--mono); }
.recall-title { font-weight: 600; font-size: .95rem; }
.recall-body { padding: 0 14px 14px; font-size: .88rem; color: var(--muted); display: grid; gap: 8px; }
.recall-body b { color: var(--text); }

/* compare */
.compare-inputs { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; }
.field-lbl { display: grid; gap: 6px; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.vin-input-sm, #batch-input {
  width: 100%; border: 1.5px solid var(--line); border-radius: 12px; background: var(--bg-2); color: var(--text);
  font-family: var(--mono); font-size: 1rem; letter-spacing: .08em; text-transform: uppercase; padding: 0 14px; height: 48px; outline: none;
}
#batch-input { height: auto; padding: 12px 14px; resize: vertical; letter-spacing: .06em; line-height: 1.6; }
.vin-input-sm:focus, #batch-input:focus { border-color: var(--accent); }
.compare-result, .batch-result { margin-top: 18px; overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl thead th { font-size: .74rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); position: sticky; top: 0; background: var(--surface); }
.tbl td.mono, .tbl .mono { font-family: var(--mono); letter-spacing: .04em; font-size: .84rem; }
.tbl tr.diff td:not(:first-child) { background: color-mix(in srgb, var(--warn) 9%, transparent); }
.tbl tr.same td:not(:first-child) { color: var(--muted); }
.tbl .row-label { font-weight: 650; color: var(--muted); white-space: nowrap; }
.tbl button.vin-link { border: 0; background: none; color: var(--accent); cursor: pointer; font: inherit; font-family: var(--mono); padding: 0; text-decoration: underline; }
.batch-summary { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }

/* ---------------------------------------------------------------- sections */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section h2 { font-size: clamp(1.8rem, 4.4vw, 2.6rem); font-weight: 800; letter-spacing: -.04em; }
.section-lead { margin: 12px 0 30px; color: var(--muted); max-width: 640px; font-size: 1.05rem; }
.h3 { font-size: 1.4rem; margin: 54px 0 18px; }

.anatomy { padding: 22px; }
.anatomy .ribbon { margin-top: 0; }
.anatomy-detail { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); min-height: 76px; }
.anatomy-detail strong { display: block; margin-bottom: 2px; }
.anatomy-detail p { color: var(--muted); font-size: .92rem; }
.anatomy-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 12px; }
.anatomy-list li { display: flex; gap: 14px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); transition: border-color .15s; }
.anatomy-list li.is-active { border-color: var(--seg); }
.anatomy-list .pos { flex: none; min-width: 52px; height: 30px; display: grid; place-items: center; padding: 0 8px; border-radius: 8px; font-family: var(--mono); font-weight: 700; font-size: .85rem; color: var(--seg); background: color-mix(in srgb, var(--seg) 16%, transparent); }
.anatomy-list p { color: var(--muted); font-size: .88rem; margin-top: 2px; }

.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 14px; }
.mini { padding: 20px; }
.mini h4 { margin-bottom: 6px; font-size: 1.02rem; }
.mini p { color: var(--muted); font-size: .92rem; }

.ref { margin-top: 28px; padding: 0; }
.ref summary { cursor: pointer; padding: 18px 22px; font-weight: 650; }
.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 22px; padding: 0 22px 22px; }
.ref-grid h5 { margin: 0 0 8px; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ref-grid table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.ref-grid td { padding: 6px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.ref-grid td:first-child { font-family: var(--mono); font-weight: 700; color: var(--accent); width: 54px; }

.faq { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 4px; font-weight: 650; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 1.4rem; line-height: 1; transition: transform .2s; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { padding: 0 4px 20px; color: var(--muted); }
#faq h2 { margin-bottom: 20px; }

.code {
  margin: 0; padding: 20px; overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line);
  background: #07080b; color: #d7dbe6; font-family: var(--mono); font-size: .85rem; line-height: 1.7;
}
.code .c { color: #6b7385; } .code .k { color: #ff8a4c; } .code .s { color: #7ee2a8; }

/* ---------------------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--line); padding: 44px 0 32px; background: var(--bg-2); }
.footer-inner { display: grid; gap: 30px; }
.footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.footer-brand img { border-radius: 9px; flex: none; }
.footer-brand p { color: var(--muted); font-size: .84rem; max-width: 720px; margin-top: 4px; }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 28px; }
.footer-cols h4 { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.footer-cols p { color: var(--muted); font-size: .88rem; }
.copyright { color: var(--muted); font-size: .82rem; }

/* scanner + toast */
.scan-dialog { border: 0; padding: 0; border-radius: 18px; background: #000; color: #fff; width: min(560px, 94vw); overflow: hidden; }
.scan-dialog::backdrop { background: rgba(0, 0, 0, .7); backdrop-filter: blur(4px); }
.scan-box { position: relative; display: grid; gap: 14px; padding-bottom: 18px; justify-items: center; }
.scan-box video { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #111; }
.scan-frame { position: absolute; left: 10%; right: 10%; top: 24%; height: 22%; border: 2px solid var(--accent); border-radius: 12px; box-shadow: 0 0 0 999px rgba(0, 0, 0, .35); pointer-events: none; }
.scan-hint { padding: 0 18px; text-align: center; font-size: .92rem; color: #cbd0dc; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; z-index: 90;
  padding: 10px 18px; border-radius: 999px; background: var(--text); color: var(--bg); font-weight: 600; font-size: .9rem;
  transition: opacity .2s, transform .25s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 820px) {
  .nav { display: none; }
  .header-controls { margin-left: auto; }
  .hero { padding-top: 40px; }
  .compare-inputs { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}
@media (max-width: 520px) {
  .wrap, .narrow { width: min(100% - 28px, 1120px); }
  #vin-input { height: 60px; letter-spacing: .06em; }
  .vin-count { display: none; }
  .btn { flex: 1 1 auto; }
  .panel { padding: 16px 8px 8px; }
  .brand-word { font-size: 1.15rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------------- print: clean one-page VIN report */
@media print {
  :root { color-scheme: light; --bg: #fff; --bg-2: #fff; --surface: #fff; --surface-2: #f3f4f6; --line: #d4d7de; --text: #111; --muted: #555; }
  body { background: #fff; }
  .site-header, .nav, .hero > .wrap > :not(.tool), .tabs, #vin-form, .chips-row, .trust, .result-actions,
  .section, .site-footer, .toast, .suggest, .calc, .skip-link { display: none !important; }
  .hero { padding: 0; background: none; } .hero::before { display: none; }
  .card, .tool { box-shadow: none; border: 0; }
  .panel[hidden] { display: none !important; }
  .result { border: 0; margin: 0; }
  .cell { animation: none; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .field, .block { break-inside: avoid; }
}

/* helpers used by script-generated markup (inline styles are blocked by the CSP) */
.chip button { all: unset; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
.chip button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skeleton.short { width: 65%; }
.kv.mt, .muted.mt { margin-top: 12px; }
.mono { font-family: var(--mono); }

/* long-form text pages (privacy) */
.prose h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin-bottom: 14px; }
.prose h2 { font-size: 1.1rem; margin: 26px 0 8px; letter-spacing: -.01em; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 20px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }

/* ---------------------------------------------------------------- content pages (articles, model pages) */
.page-title { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -.04em; margin: 8px 0 12px; }
.crumbs { font-size: .84rem; color: var(--muted); margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); } .crumbs a:hover { color: var(--text); }
.tag-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.article-meta { color: var(--muted); font-size: .88rem; margin-bottom: 18px; }
.article-lead { font-size: 1.2rem; color: var(--text); line-height: 1.55; margin-bottom: 26px; }
.article-body { font-size: 1.04rem; line-height: 1.75; }
.article-body p, .article-body li { color: color-mix(in srgb, var(--text) 86%, var(--muted)); }
.article-body h2 { font-size: 1.5rem; margin: 40px 0 12px; letter-spacing: -.025em; color: var(--text); }
.article-body ul, .article-body ol { padding-left: 22px; display: grid; gap: 6px; }
.article-body code { font-family: var(--mono); font-size: .9em; padding: 1px 6px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--line); color: var(--text); }
.article-body table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: .92rem; }
.article-body th, .article-body td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-body th { font-size: .74rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.article-body .tbl-wrap, .article-body table { display: block; overflow-x: auto; }
.callout { margin: 28px 0; padding: 16px 18px; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; background: var(--surface); border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 22px; margin: 30px 0; }
.cta h2 { font-size: 1.15rem; margin: 0 0 2px; } .cta p { color: var(--muted); font-size: .92rem; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 16px; margin-top: 8px; }
.article-card { display: grid; gap: 8px; align-content: start; padding: 20px; text-decoration: none; color: var(--text); transition: transform .15s var(--ease), border-color .15s; }
.article-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.article-card h3 { font-size: 1.1rem; letter-spacing: -.02em; line-height: 1.25; }
.article-card p { color: var(--muted); font-size: .92rem; }
.article-card .read-more { color: var(--accent); font-weight: 600; font-size: .9rem; margin-top: 4px; }
.model-chip { text-decoration: none; }
.footer-links { color: var(--muted); font-size: .88rem; }
.footer-links a { color: var(--muted); } .footer-links a:hover { color: var(--text); }
.section-head-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 10px; }
.section-head-row a { font-weight: 600; font-size: .92rem; }

/* cookie consent banner */
.consent { position: fixed; z-index: 80; left: 16px; right: 16px; bottom: 16px; max-width: 560px; margin-inline: auto; padding: 18px 20px; display: grid; gap: 10px; box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .7); }
.consent h2 { font-size: 1rem; } .consent p { font-size: .88rem; color: var(--muted); }
.consent-actions { display: flex; gap: 10px; flex-wrap: wrap; } .consent-actions .btn { flex: 1 1 140px; }
@media print { .consent { display: none !important; } }

/* photos, diagrams, sources */
.photo { margin: 0 0 28px; }
.photo img { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface-2); }
.photo figcaption, .diagram figcaption { margin-top: 8px; font-size: .84rem; color: var(--muted); line-height: 1.5; }
.photo .credit { display: block; font-size: .76rem; opacity: .85; }
.photo .credit a, .diagram figcaption a { color: var(--muted); }
.photo-hero { margin-top: 6px; }
.article-body .photo { margin: 28px 0; }
.diagram { margin: 28px 0; }
.diagram img { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #f5f6f8; }
.card-img { width: calc(100% + 40px); max-width: none; margin: -20px -20px 6px; height: 160px; object-fit: cover; border-radius: var(--radius) var(--radius) 0 0; }
.sources-list { font-size: .92rem; }

/* click-to-load video embeds */
.video { margin: 26px 0; }
.video-embed { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: radial-gradient(120% 120% at 20% 10%, #2a2d38, #0d0e13); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-play { all: unset; box-sizing: border-box; position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 10px; padding: 18px; text-align: center; cursor: pointer; color: #fff; }
.video-play svg { transition: transform .15s var(--ease); filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .5)); }
.video-play:hover svg, .video-play:focus-visible svg { transform: scale(1.08); }
.video-play:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.video-title { font-weight: 650; font-size: clamp(.92rem, 2.4vw, 1.1rem); max-width: 560px; line-height: 1.3; }
.video-meta { font-size: .8rem; opacity: .75; }
.video figcaption { margin-top: 8px; font-size: .82rem; color: var(--muted); line-height: 1.5; }
.video figcaption a { color: var(--muted); }