/* ============================================================
   Kestrel Chassis - precision rifle chassis systems
   gunmetal / machined aluminum / anodized red
   ============================================================ */

:root {
  --bg: hsl(210 10% 12%);
  --bg-raise: hsl(210 10% 15%);
  --bg-sink: hsl(210 11% 9%);
  --panel: hsl(210 9% 16%);
  --line: hsl(210 8% 24%);
  --line-soft: hsl(210 8% 20%);
  --fg: hsl(210 10% 92%);
  --fg-dim: hsl(210 8% 64%);
  --fg-faint: hsl(210 7% 46%);
  --red: hsl(355 75% 50%);
  --red-hot: hsl(355 85% 58%);
  --red-dim: hsl(355 60% 38%);
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --maxw: 1180px;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.mono { font-family: var(--mono); }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.015em; line-height: 1.12; text-wrap: balance; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.22rem; }
p { text-wrap: pretty; }

a { color: inherit; }
::selection { background: var(--red); color: #fff; }

:focus-visible { outline: 2px solid var(--red-hot); outline-offset: 2px; border-radius: 3px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red-hot);
  margin-bottom: 0.9rem;
}
.eyebrow::before { content: "// "; color: var(--fg-faint); }

.section-head { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section-sub { color: var(--fg-dim); max-width: 62ch; margin-top: 0.9rem; }
.section-sub a { color: var(--fg); text-underline-offset: 3px; }

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem;
  padding: 0.78rem 1.5rem; border-radius: 7px; border: 1px solid transparent;
  cursor: pointer; text-decoration: none; letter-spacing: 0.01em;
  transition: background .18s, border-color .18s, transform .12s, box-shadow .18s;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn-red {
  background: var(--red); color: #fff;
  box-shadow: 0 2px 14px hsl(355 75% 45% / 0.35), inset 0 1px 0 hsl(355 80% 65% / 0.5);
}
.btn-red:hover { background: var(--red-hot); }
.btn-ghost {
  background: transparent; color: var(--fg);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--fg-dim); background: hsl(210 10% 18%); }
.btn-sm { padding: 0.5rem 1.05rem; font-size: 0.86rem; }
.btn-wide { width: 100%; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 1.9rem; }

.link-btn {
  background: none; border: none; color: var(--fg-dim);
  font-size: 0.78rem; cursor: pointer; padding: 0.5rem 0 0;
  width: 100%; text-align: center; letter-spacing: 0.04em;
}
.link-btn:hover { color: var(--fg); }

/* ---------------- navbar ---------------- */

.nav {
  position: sticky; top: 0; z-index: 60;
  background: hsl(210 10% 11% / 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  height: 66px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 32px; height: 32px; color: var(--fg); flex: none; }
.brand-word {
  font-weight: 700; font-size: 1.14rem; letter-spacing: 0.14em;
  display: flex; flex-direction: column; line-height: 1;
}
.brand-sub {
  font-family: var(--mono); font-weight: 500; font-size: 0.52rem;
  letter-spacing: 0.46em; color: var(--fg-faint); margin-top: 3px;
}
.nav-links { display: flex; gap: 26px; }
.nav-links a {
  text-decoration: none; font-size: 0.92rem; font-weight: 500; color: var(--fg-dim);
  transition: color .15s;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-burger span {
  display: block; width: 21px; height: 2px; background: var(--fg);
  margin: 4.5px 0; border-radius: 2px; transition: transform .2s, opacity .2s;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------------- hero ---------------- */

.hero {
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(1000px 460px at 78% 8%, hsl(210 14% 17%) 0%, transparent 62%),
    radial-gradient(800px 500px at 8% 100%, hsl(355 40% 14% / 0.5) 0%, transparent 55%),
    var(--bg);
  overflow: hidden;
}
.hero-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 84px 24px 72px;
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 48px; align-items: center;
}
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); font-weight: 600; }
.hero-sub { color: var(--fg-dim); margin-top: 1.2rem; max-width: 48ch; }
.hero-sub .mono { color: var(--fg); font-size: 0.92em; }
.hero-stats {
  list-style: none; display: flex; gap: 30px; flex-wrap: wrap;
  margin-top: 2.6rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft);
}
.hero-stats li {
  font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-faint); display: flex; flex-direction: column; gap: 4px;
}
.hero-stats strong { font-size: 1.22rem; font-weight: 600; color: var(--fg); letter-spacing: 0; }

.hero-visual { position: relative; min-height: 340px; }
.hero-poster { position: relative; transition: opacity .6s; }
.hero-poster.is-hidden { opacity: 0; pointer-events: none; }
.blueprint-grid {
  position: absolute; inset: -8% -4%;
  background:
    linear-gradient(hsl(210 20% 50% / 0.07) 1px, transparent 1px),
    linear-gradient(90deg, hsl(210 20% 50% / 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(75% 75% at 50% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 75% at 50% 50%, #000 30%, transparent 100%);
}
.hero-svg-wrap { position: relative; }
.chassis-svg { display: block; width: 100%; height: auto; filter: drop-shadow(0 18px 26px rgb(0 0 0 / 0.45)); }
.dim-layer { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.dim line, .callout line { stroke: hsl(210 15% 55% / 0.8); stroke-width: 1.2; }
.callout circle { fill: none; stroke: var(--red-hot); stroke-width: 1.3; }
.dim text, .callout text {
  font-family: var(--mono); font-size: 13px; fill: hsl(210 12% 68%);
  letter-spacing: 0.06em;
}
.dim text { text-anchor: middle; }
.callout text { fill: var(--red-hot); }
.hero-poster-tag {
  margin-top: 18px; text-align: center; font-size: 0.7rem;
  letter-spacing: 0.18em; color: var(--fg-faint);
}
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity .6s; pointer-events: none;
}
.hero-canvas.is-live { opacity: 1; }

/* SVG chassis color variants */
.sv-k1red { --sv-body:#25282c; --sv-accent:#c8202e; --sv-forend:#25282c; }
.sv-k1    { --sv-body:#25282c; --sv-accent:#c8202e; --sv-forend:#25282c; }
.sv-k1c   { --sv-body:#8a7050; --sv-accent:#1c1a17; --sv-forend:#191b20; --sv-ext16:inline; --sv-cap14:none; }
.sv-k2    { --sv-body:#6b7077; --sv-accent:#17181a; --sv-forend:#6b7077; --sv-ext16:inline; --sv-cap14:none; --sv-arca:inline; --sv-weights:inline; }

/* ---------------- configurator ---------------- */

.configurator {
  min-height: 100vh;
  padding: 92px 0 40px;
  background:
    linear-gradient(180deg, var(--bg-sink) 0%, var(--bg) 8%, var(--bg) 92%, var(--bg-sink) 100%);
  border-bottom: 1px solid var(--line-soft);
}
.cfg-head { max-width: var(--maxw); margin: 0 auto 40px; padding: 0 24px; }

.cfg-layout {
  max-width: 1380px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: minmax(0, 60fr) minmax(340px, 40fr);
  gap: 26px; align-items: stretch;
}

.cfg-stage {
  position: relative; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 50% 30%, hsl(210 12% 19%) 0%, hsl(210 12% 10%) 78%);
  min-height: 520px;
}
.cfg-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  cursor: grab; touch-action: none; display: block;
}
.cfg-canvas:active { cursor: grabbing; }
.cfg-hint {
  position: absolute; left: 0; right: 0; bottom: 14px; text-align: center;
  font-size: 0.68rem; letter-spacing: 0.1em; color: var(--fg-faint);
  pointer-events: none; transition: opacity .5s;
}
.cfg-hint.is-faded { opacity: 0; }
.cfg-reset {
  position: absolute; top: 14px; right: 14px;
  background: hsl(210 10% 10% / 0.7); color: var(--fg-dim);
  border: 1px solid var(--line-soft); border-radius: 6px;
  font-size: 0.68rem; letter-spacing: 0.06em; padding: 7px 11px; cursor: pointer;
}
.cfg-reset:hover { color: var(--fg); border-color: var(--line); }
.cfg-stage-corner {
  position: absolute; top: 16px; left: 16px;
  font-size: 0.64rem; letter-spacing: 0.14em; color: var(--fg-faint);
  pointer-events: none;
}
.cfg-fallback {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 30px;
}
.cfg-fallback[hidden] { display: none; }
.cfg-fallback .hero-svg-wrap { width: min(680px, 100%); }
.cfg-fallback-note {
  margin-top: 22px; font-size: 0.72rem; color: var(--fg-faint);
  text-align: center; max-width: 46ch; letter-spacing: 0.04em;
}

/* option panel */
.cfg-panel {
  display: flex; flex-direction: column; gap: 14px;
  max-height: 860px; overflow-y: auto; padding-right: 2px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.cfg-step {
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  background: var(--panel); padding: 18px 18px 16px;
  transition: border-color .3s, box-shadow .3s;
}
.cfg-step.is-flash { border-color: var(--red); box-shadow: 0 0 0 1px var(--red), 0 0 24px hsl(355 75% 50% / 0.25); }
.cfg-step legend {
  font-weight: 600; font-size: 0.98rem; padding: 0 4px; margin-bottom: 4px;
}
.step-num { color: var(--red-hot); font-size: 0.78rem; margin-right: 8px; font-weight: 600; }

.chips { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 10px; }
.chip { position: relative; display: block; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; pointer-events: none; }
.chip span {
  display: flex; flex-direction: column; gap: 3px;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; background: var(--bg-raise);
  transition: border-color .15s, background .15s, box-shadow .15s;
  min-height: 100%;
}
.chip b { font-weight: 600; font-size: 0.88rem; }
.chip i { font-style: normal; font-size: 0.68rem; color: var(--fg-faint); letter-spacing: 0.02em; }
.chip:hover span { border-color: var(--fg-faint); }
.chip input:checked + span {
  border-color: var(--red); background: hsl(355 40% 16% / 0.5);
  box-shadow: inset 0 0 0 1px var(--red), 0 0 16px hsl(355 75% 50% / 0.14);
}
.chip input:checked + span i { color: hsl(355 60% 70%); }
.chip input:focus-visible + span { outline: 2px solid var(--red-hot); outline-offset: 2px; }
.chip-color span { flex-direction: row; align-items: center; gap: 10px; flex-wrap: wrap; }
.chip-color b { flex: 1 1 auto; }
.swatch {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--sw); border: 1px solid hsl(210 10% 40%); flex: none;
}

.cfg-summary {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-sink); padding: 18px;
  position: sticky; bottom: 0;
  box-shadow: 0 -12px 30px rgb(0 0 0 / 0.35);
}
.sum-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 7px 0; border-bottom: 1px dashed var(--line-soft);
}
.sum-label { font-size: 0.66rem; letter-spacing: 0.18em; color: var(--fg-faint); }
.sum-val { font-size: 0.95rem; font-weight: 500; }
.sum-dim { color: var(--fg-faint); font-size: 0.78rem; }
.sum-price .sum-val { font-size: 1.5rem; font-weight: 600; color: var(--red-hot); }
.sum-price { border-bottom: none; margin-bottom: 10px; }
.sum-val.tick { animation: tick .35s ease; }
@keyframes tick {
  0% { color: var(--red-hot); transform: translateY(-2px); }
  100% { transform: none; }
}

/* ---------------- lineup ---------------- */

.lineup { padding: 92px 0; border-bottom: 1px solid var(--line-soft); }
.lineup-grid {
  max-width: var(--maxw); margin: 44px auto 0; padding: 0 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.model-card {
  border: 1px solid var(--line-soft); border-radius: 14px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg-raise) 100%);
  padding: 22px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.model-card:hover { transform: translateY(-4px); border-color: var(--line); box-shadow: 0 18px 40px rgb(0 0 0 / 0.35); }
.model-art {
  background: radial-gradient(100% 120% at 50% 20%, hsl(210 12% 20%) 0%, hsl(210 12% 11%) 90%);
  border: 1px solid var(--line-soft); border-radius: 9px;
  padding: 20px 14px; margin-bottom: 6px;
}
.model-tag {
  font-size: 0.6rem; letter-spacing: 0.2em; color: var(--red-hot);
  border: 1px solid var(--red-dim); border-radius: 4px;
  padding: 3px 7px; vertical-align: 3px; margin-left: 8px; font-weight: 600;
}
.model-card p { color: var(--fg-dim); font-size: 0.94rem; flex: 1; }
.model-specs { display: flex; gap: 20px; border-top: 1px solid var(--line-soft); padding-top: 14px; }
.model-specs div { display: flex; flex-direction: column; gap: 3px; }
.model-specs dt { font-size: 0.6rem; letter-spacing: 0.14em; color: var(--fg-faint); }
.model-specs dd { font-size: 0.88rem; font-weight: 500; }
.model-card .btn { align-self: flex-start; }

/* ---------------- engineering ---------------- */

.engineering { padding: 92px 0; border-bottom: 1px solid var(--line-soft); background: var(--bg-sink); }
.eng-grid {
  max-width: var(--maxw); margin: 48px auto 0; padding: 0 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.eng-card { display: flex; flex-direction: column; gap: 12px; }
.eng-art {
  border: 1px solid var(--line-soft); border-radius: 12px; overflow: hidden;
  margin-bottom: 8px;
}
.eng-art svg { display: block; width: 100%; height: auto; }
.eng-card p { color: var(--fg-dim); font-size: 0.95rem; }
.eng-card .mono { color: var(--fg); font-size: 0.9em; }
.spec-link {
  background: none; border: none; text-align: left; cursor: pointer;
  color: var(--red-hot); font-size: 0.78rem; letter-spacing: 0.05em; padding: 4px 0;
}
.spec-link:hover { color: var(--fg); }

/* ---------------- compatibility ---------------- */

.compat { padding: 92px 0; border-bottom: 1px solid var(--line-soft); }
.compat-tools {
  max-width: var(--maxw); margin: 36px auto 14px; padding: 0 24px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.compat-search {
  background: var(--bg-raise); border: 1px solid var(--line); color: var(--fg);
  border-radius: 7px; padding: 10px 14px; font-size: 0.85rem; width: min(340px, 100%);
}
.compat-search::placeholder { color: var(--fg-faint); }
.compat-search:focus { outline: 2px solid var(--red-hot); outline-offset: 1px; border-color: transparent; }
.compat-count { font-size: 0.72rem; color: var(--fg-faint); letter-spacing: 0.06em; }

.table-wrap {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  overflow-x: auto;
}
.compat-table {
  width: 100%; border-collapse: collapse; min-width: 640px;
  border: 1px solid var(--line-soft); border-radius: 10px; overflow: hidden;
}
.compat-table th, .compat-table td {
  padding: 12px 16px; text-align: left; font-size: 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}
.compat-table thead th {
  background: var(--panel); font-family: var(--mono); font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-dim);
}
.compat-table tbody th { font-weight: 500; }
.compat-table tbody tr:nth-child(even) { background: hsl(210 10% 13.5%); }
.compat-table tbody tr:hover { background: hsl(210 12% 17%); }
.compat-table td.yes { color: var(--red-hot); font-weight: 600; }
.compat-table td.no { color: var(--fg-faint); }
.compat-table td.mono { font-size: 0.74rem; color: var(--fg-dim); }
.compat-table sup { color: var(--fg-faint); margin-left: 2px; }
.compat-table tr.is-hidden { display: none; }
.footnotes {
  max-width: var(--maxw); margin: 18px auto 0; padding: 0 24px 0 44px;
  color: var(--fg-faint); font-size: 0.74rem; display: grid; gap: 6px;
}

/* ---------------- field ---------------- */

.field { padding: 92px 0; border-bottom: 1px solid var(--line-soft); background: var(--bg-sink); }
.field-grid {
  max-width: var(--maxw); margin: 44px auto 0; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
}
.field-photo { border-radius: 14px; overflow: hidden; border: 1px solid var(--line-soft); }
.field-photo svg { display: block; width: 100%; height: auto; }
.field-photo figcaption {
  background: var(--panel); padding: 12px 16px;
  font-size: 0.66rem; letter-spacing: 0.14em; color: var(--fg-dim);
}
.pull-quote {
  max-width: 860px; margin: 64px auto 0; padding: 0 24px; text-align: center;
}
.pull-quote p {
  font-size: clamp(1.25rem, 2.6vw, 1.7rem); font-weight: 500; line-height: 1.4;
  letter-spacing: -0.01em;
}
.pull-quote cite {
  display: block; margin-top: 1.4rem; font-style: normal;
  font-size: 0.72rem; letter-spacing: 0.16em; color: var(--red-hot);
}

/* ---------------- dealers ---------------- */

.dealers { padding: 92px 0; border-bottom: 1px solid var(--line-soft); }
.dealer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 48px;
  align-items: start;
}
.zip-form { margin-top: 2rem; }
.zip-form label { font-size: 0.66rem; letter-spacing: 0.18em; color: var(--fg-faint); }
.zip-row { display: flex; gap: 10px; margin-top: 10px; }
.zip-input {
  background: var(--bg-raise); border: 1px solid var(--line); color: var(--fg);
  border-radius: 7px; padding: 10px 14px; font-size: 0.95rem; width: 160px;
}
.zip-input:focus { outline: 2px solid var(--red-hot); outline-offset: 1px; border-color: transparent; }
.dealer-results { list-style: none; margin-top: 22px; display: grid; gap: 10px; max-width: 480px; }
.dealer-results li {
  border: 1px solid var(--line-soft); border-left: 3px solid var(--red-dim);
  border-radius: 7px; background: var(--panel);
  padding: 12px 16px; font-size: 0.8rem; color: var(--fg-dim);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.dealer-results li strong { color: var(--fg); font-weight: 600; }
.dealer-results li em { font-style: normal; color: var(--fg-faint); }
.dealer-card {
  border: 1px solid var(--line); border-radius: 14px;
  background: linear-gradient(160deg, hsl(355 45% 16% / 0.55) 0%, var(--panel) 55%);
  padding: 28px; display: flex; flex-direction: column; gap: 16px;
}
.dealer-card-eyebrow { font-size: 0.64rem; letter-spacing: 0.2em; color: var(--red-hot); }
.dealer-card-line { color: var(--fg-dim); font-size: 0.95rem; }
.dealer-card-fine { font-size: 0.66rem; color: var(--fg-faint); letter-spacing: 0.04em; }

/* ---------------- footer ---------------- */

.footer { background: var(--bg-sink); padding: 64px 0 36px; }
.footer-grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px 44px;
  display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand .brand-mark { width: 36px; height: 36px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.72rem; color: var(--fg-faint); line-height: 1.8; letter-spacing: 0.05em; }
.footer-grid h4 {
  font-size: 0.64rem; letter-spacing: 0.2em; color: var(--fg-faint);
  font-weight: 600; margin-bottom: 14px;
}
.footer-grid nav { display: flex; flex-direction: column; gap: 9px; }
.footer-grid nav a {
  text-decoration: none; color: var(--fg-dim); font-size: 0.88rem;
  transition: color .15s;
}
.footer-grid nav a:hover { color: var(--fg); }
.footer-legal {
  max-width: var(--maxw); margin: 0 auto; padding: 28px 24px 0;
  display: grid; gap: 10px;
}
.footer-legal p { font-size: 0.68rem; color: var(--fg-faint); letter-spacing: 0.03em; }

/* ---------------- dialogs ---------------- */

.dlg {
  margin: auto;
  background: var(--bg-raise); color: var(--fg);
  border: 1px solid var(--line); border-radius: 16px;
  width: min(560px, calc(100vw - 32px));
  padding: 0; box-shadow: 0 40px 90px rgb(0 0 0 / 0.6);
}
.dlg::backdrop { background: hsl(210 15% 5% / 0.72); backdrop-filter: blur(4px); }
.dlg-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--line-soft);
}
.dlg-close {
  background: none; border: 1px solid var(--line); color: var(--fg-dim);
  width: 32px; height: 32px; border-radius: 7px; cursor: pointer; font-size: 0.9rem;
}
.dlg-close:hover { color: var(--fg); border-color: var(--fg-faint); }
.dlg-body { padding: 22px 24px 26px; display: grid; gap: 20px; }
.dlg-svg {
  background: radial-gradient(100% 130% at 50% 20%, hsl(210 12% 20%) 0%, hsl(210 12% 11%) 90%);
  border: 1px solid var(--line-soft); border-radius: 10px; padding: 18px 14px;
}
.dlg-spec { width: 100%; border-collapse: collapse; }
.dlg-spec th, .dlg-spec td {
  text-align: left; padding: 8px 10px; font-size: 0.78rem;
  border-bottom: 1px dashed var(--line-soft);
}
.dlg-spec th { color: var(--fg-faint); font-weight: 500; letter-spacing: 0.08em; font-size: 0.68rem; }
.dlg-spec td { color: var(--fg); }
.dlg-spec td.dlg-price { color: var(--red-hot); font-weight: 600; font-size: 0.95rem; }
.spec-table thead th { font-size: 0.64rem; letter-spacing: 0.16em; }
.spec-table td { font-size: 0.76rem; }
.dlg-share label, .dlg-dealer label { font-size: 0.62rem; letter-spacing: 0.18em; color: var(--fg-faint); }
.share-row { display: flex; gap: 10px; margin-top: 8px; }
.share-row input {
  flex: 1; min-width: 0; background: var(--bg-sink); border: 1px solid var(--line);
  color: var(--fg-dim); border-radius: 7px; padding: 9px 12px; font-size: 0.72rem;
}
.share-row input:focus { outline: 2px solid var(--red-hot); outline-offset: 1px; }
.dlg-confirm { margin-top: 12px; color: hsl(145 45% 60%); font-size: 0.76rem; letter-spacing: 0.04em; }
.dlg-note { font-size: 0.68rem; color: var(--fg-faint); letter-spacing: 0.03em; }

/* ---------------- reveal on scroll ---------------- */

.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .model-card, .btn { transition: none; }
  .sum-val.tick { animation: none; }
}

/* ---------------- responsive ---------------- */

@media (max-width: 1100px) {
  .cfg-layout { grid-template-columns: 1fr; }
  .cfg-stage { min-height: 420px; }
  .cfg-panel { max-height: none; overflow: visible; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 56px; gap: 40px; }
  .hero-visual { min-height: 0; }
  .lineup-grid, .eng-grid { grid-template-columns: 1fr; max-width: 620px; }
  .field-grid { grid-template-columns: 1fr; max-width: 680px; }
  .dealer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0;
    background: hsl(210 10% 10% / 0.98); border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 8px 0;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 14px 24px; border-bottom: 1px solid var(--line-soft); }
  .nav-links a:last-child { border-bottom: none; }
  .nav-burger { display: block; }
  .chips { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .configurator { padding-top: 72px; }
  .cfg-stage { min-height: 340px; }
}

@media (max-width: 460px) {
  .btn-row .btn { width: 100%; }
  .brand-word { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
}

:root { color-scheme: dark; }