/* ============================================================
   IMPERIUM — motorsport aggressive × premium luxury
   ------------------------------------------------------------
   TEMPLATE SYSTEM
   Color scheme  → <html data-theme="gold|white|stealth|platinum">
   Hero layout   → <html data-hero="split|center|minimal">
   Add a theme: copy one :root[data-theme="…"] block and retune
   the tokens. Every component reads tokens only.
   ============================================================ */

/* ---------- design tokens (default theme: gold) ---------- */
:root,
:root[data-theme="gold"] {
  --bg: #08080a;
  --bg-2: #0d0d10;
  --panel: #121216;
  --panel-2: #16161b;
  --input-bg: #0b0b0e;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f2f1ec;
  --muted: #9b998f;
  --faint: #55534c;
  --accent: #c8a24a;
  --accent-bright: #e9c86e;
  --accent-dim: rgba(200, 162, 74, 0.14);
  --accent-contrast: #0c0a05;
  --nav-bg: rgba(8, 8, 10, 0.82);
  --card-shadow: none;
  --font-main: "Archivo", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --nav-h: 72px;
}

/* ---------- theme: ivory white luxury ---------- */
:is(:root[data-theme="white"], :root[data-theme="arctic"]) {
  --bg: #f4f2ec;
  --bg-2: #eae7df;
  --panel: #ffffff;
  --panel-2: #faf9f4;
  --input-bg: #ffffff;
  --line: rgba(20, 18, 12, 0.14);
  --text: #17140e;
  --muted: #6d6a5f;
  --faint: #a9a495;
  --accent: #8f7126;
  --accent-bright: #c9a24a;
  --accent-dim: rgba(143, 113, 38, 0.12);
  --accent-contrast: #241c08;
  --nav-bg: rgba(244, 242, 236, 0.85);
  --card-shadow: 0 14px 34px rgba(20, 18, 12, 0.08);
}

/* ---------- theme: stealth motorsport red ---------- */
:root[data-theme="stealth"] {
  --bg: #0a0a0b;
  --bg-2: #0e0e10;
  --panel: #121214;
  --panel-2: #17171a;
  --input-bg: #0c0c0e;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f4f3f1;
  --muted: #9c9a96;
  --faint: #57554f;
  --accent: #e10600;
  --accent-bright: #ff4d40;
  --accent-dim: rgba(225, 6, 0, 0.15);
  --accent-contrast: #ffffff;
  --nav-bg: rgba(10, 10, 11, 0.85);
  --card-shadow: none;
}

/* ---------- theme: platinum monochrome ---------- */
:root[data-theme="platinum"] {
  --bg: #0c0c0e;
  --bg-2: #101013;
  --panel: #141418;
  --panel-2: #191a1f;
  --input-bg: #0e0e11;
  --line: rgba(255, 255, 255, 0.1);
  --text: #eef0f4;
  --muted: #a3a6ae;
  --faint: #5b5d64;
  --accent: #c7c9d1;
  --accent-bright: #f0f2f7;
  --accent-dim: rgba(199, 201, 209, 0.13);
  --accent-contrast: #101114;
  --nav-bg: rgba(12, 12, 14, 0.85);
  --card-shadow: none;
}

/* ---------- theme: azure (midnight navy + M blue) ---------- */
:root[data-theme="azure"] {
  --bg: #070b14;
  --bg-2: #0a101d;
  --panel: #0e1524;
  --panel-2: #111a2c;
  --input-bg: #0b1120;
  --line: rgba(255, 255, 255, 0.09);
  --text: #eef2fa;
  --muted: #98a2b8;
  --faint: #4d566b;
  --accent: #3b82f6;
  --accent-bright: #6ea8ff;
  --accent-dim: rgba(59, 130, 246, 0.16);
  --accent-contrast: #ffffff;
  --nav-bg: rgba(7, 11, 20, 0.85);
  --card-shadow: none;
}

/* ---------- theme: bronze (warm charcoal + bronze) ---------- */
:root[data-theme="bronze"] {
  --bg: #0d0b09;
  --bg-2: #120e0b;
  --panel: #171310;
  --panel-2: #1c1713;
  --input-bg: #100d0a;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f3ede6;
  --muted: #a89f93;
  --faint: #5d554b;
  --accent: #b07d4f;
  --accent-bright: #d6a375;
  --accent-dim: rgba(176, 125, 79, 0.15);
  --accent-contrast: #17100a;
  --nav-bg: rgba(13, 11, 9, 0.85);
  --card-shadow: none;
}

/* ---------- theme: arctic (cool light + blue) ---------- */
:root[data-theme="arctic"] {
  --bg: #f2f4f6;
  --bg-2: #e7eaee;
  --panel: #ffffff;
  --panel-2: #f8f9fb;
  --input-bg: #ffffff;
  --line: rgba(15, 23, 42, 0.13);
  --text: #10161f;
  --muted: #5f6b7a;
  --faint: #9aa4b0;
  --accent: #1d4ed8;
  --accent-bright: #3b82f6;
  --accent-dim: rgba(37, 99, 235, 0.1);
  --accent-contrast: #ffffff;
  --nav-bg: rgba(242, 244, 246, 0.88);
  --card-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

/* ---------- theme: noir (pure black & white) ---------- */
:root[data-theme="noir"] {
  --bg: #000000;
  --bg-2: #0a0a0a;
  --panel: #101010;
  --panel-2: #161616;
  --input-bg: #0a0a0a;
  --line: rgba(255, 255, 255, 0.12);
  --text: #ffffff;
  --muted: #a0a0a0;
  --faint: #555555;
  --accent: #ffffff;
  --accent-bright: #ffffff;
  --accent-dim: rgba(255, 255, 255, 0.12);
  --accent-contrast: #000000;
  --nav-bg: rgba(0, 0, 0, 0.85);
  --card-shadow: none;
}

/* ---------- type pairings ---------- */
:root[data-font="grotesk"] {
  --font-main: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

::selection { background: var(--accent); color: var(--accent-contrast); }

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
em { font-style: italic; }

h1, h2, h3 {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.02;
}

h2 {
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  margin: 0.35rem 0 1rem;
}

h2 em, h1 em {
  color: var(--accent-bright);
  font-weight: 800;
}

:is(:root[data-theme="white"], :root[data-theme="arctic"]) h2 em,
:is(:root[data-theme="white"], :root[data-theme="arctic"]) h1 em { color: var(--accent); }

section { scroll-margin-top: var(--nav-h); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.95rem 1.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.btn-gold {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-bright) 55%, var(--accent) 100%);
  color: var(--accent-contrast);
}
.btn-gold:hover { transform: translateY(-2px); filter: brightness(1.08); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-bright); }

:is(:root[data-theme="white"], :root[data-theme="arctic"]) .btn-ghost { border-color: rgba(20, 18, 12, 0.35); }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav-inner {
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { display: inline-flex; align-items: center; gap: 0.65rem; }

.brand-word {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: inherit;
  line-height: 1;
}
.brand-word span { color: var(--accent); }
@media (max-width: 520px) { .brand-word { display: none; } }

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-weight: 900;
  font-size: 1.15rem;
  font-style: italic;
  color: var(--accent-contrast);
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
}

.brand-word {
  font-weight: 900;
  letter-spacing: 0.34em;
  font-size: 0.95rem;
}

.brand-logo {
  height: 46px;
  width: auto;
  display: block;
}

.brand-logo--footer { height: 56px; }

/* silver wordmark is invisible on light themes — give it a dark chip */
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .brand-logo {
  background: #0c0a05;
  padding: 7px 12px;
  border-radius: 6px;
}

.nav-links { display: flex; align-items: center; gap: 1.75rem; }

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--muted);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--accent-bright); }

.nav-cta {
  color: var(--accent-contrast) !important;
  background: linear-gradient(120deg, var(--accent), var(--accent-bright));
  padding: 0.55rem 1.1rem;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav-burger span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem;
  background:
    radial-gradient(ellipse 60% 50% at 78% 45%, var(--accent-dim), transparent 65%),
    radial-gradient(ellipse 45% 40% at 15% 85%, var(--accent-dim), transparent 60%),
    var(--bg);
  overflow: hidden;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 3rem;
}

.hero-title {
  font-size: clamp(2.6rem, 6.2vw, 5.2rem);
  margin: 1rem 0 1.4rem;
}

.hero-sub {
  color: var(--muted);
  max-width: 34rem;
  font-size: 1.05rem;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 2.6rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}

.hero-stats dt {
  font-size: 1.35rem;
  font-weight: 900;
  font-style: italic;
  color: var(--accent-bright);
}
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .hero-stats dt { color: var(--accent); }
.hero-stats dd {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* hero 3d wheel */
.hero-visual { position: relative; }

.wheel-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 72vh;
  margin: 0 auto;
}

#wheelCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#wheelCanvas:active { cursor: grabbing; }

.wheel-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.wheel-loader.done { opacity: 0; }

.wheel-loader-ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid var(--accent-dim);
  border-top-color: var(--accent-bright);
  animation: spin 0.9s linear infinite;
}

.wheel-loader-text {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

@keyframes spin { to { transform: rotate(360deg); } }

.wheel-caption {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.75rem;
}

/* ---------- hero variants ---------- */
:root[data-hero="center"] .hero-inner {
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
  gap: 1.5rem;
}
:root[data-hero="center"] .hero-visual { order: -1; width: min(58vh, 520px); }
:root[data-hero="center"] .hero-sub { margin-inline: auto; }
:root[data-hero="center"] .hero-actions { justify-content: center; }
:root[data-hero="center"] .hero-stats { justify-content: center; }
:root[data-hero="center"] .hero { padding-top: calc(var(--nav-h) + 1.5rem); }

:root[data-hero="minimal"] .hero-visual { display: none; }
:root[data-hero="minimal"] .hero-inner { grid-template-columns: 1fr; max-width: 62rem; }
:root[data-hero="minimal"] .hero-title { font-size: clamp(3rem, 8.5vw, 7rem); }

/* ---------- marquee ---------- */
.marquee {
  border-block: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  padding: 0.9rem 0;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.marquee-track span {
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  white-space: nowrap;
  color: var(--text);
}

.marquee-track i {
  color: var(--accent);
  font-style: normal;
  font-size: 0.6rem;
}

@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.section {
  padding: 6.5rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.section-dark {
  max-width: none;
  background:
    repeating-linear-gradient(45deg, var(--line) 0 1px, transparent 1px 9px),
    var(--bg-2);
  border-block: 1px solid var(--line);
}
.section-dark > * { max-width: 1280px; margin-inline: auto; }

.section-head { max-width: 46rem; margin-bottom: 3.2rem; }

.section-sub { color: var(--muted); }
.section-sub a { color: var(--accent-bright); border-bottom: 1px solid var(--accent); }
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .section-sub a { color: var(--accent); }

/* ---------- catalog cards ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.cat-card {
  position: relative;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  box-shadow: var(--card-shadow);
  padding: 1.8rem 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.cat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.cat-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.cat-card:hover::before { transform: scaleX(1); }

.cat-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--accent);
}

.cat-card h3 { font-size: 1.5rem; font-style: italic; }

.cat-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.cat-card ul {
  margin-top: 0.5rem;
  display: grid;
  gap: 0.45rem;
  flex: 1;
}

.cat-card li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}
.cat-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.52em;
  width: 6px; height: 6px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.cat-link {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .cat-link { color: var(--accent); }
.cat-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- wheel series ---------- */
.series-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.series-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--card-shadow);
  padding-bottom: 1.4rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.series-card:hover { border-color: var(--accent); transform: translateY(-5px); }

.series-card h3 { font-size: 1.25rem; font-style: italic; padding: 0 1.3rem; margin-top: 1.1rem; }
.series-card p { font-size: 0.85rem; color: var(--muted); padding: 0.35rem 1.3rem 0.9rem; }

/* series visuals stay dark in every theme — they read as product imagery */
.series-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse 75% 60% at 50% 55%, rgba(255, 255, 255, 0.05), transparent 70%),
    #0b0b0e;
  border-bottom: 1px solid var(--line);
}

.series-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.9rem;
}

.series-card[data-model] .series-visual { cursor: zoom-in; }

.visual-3d {
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-bright);
  border: 1px solid var(--accent-dim);
  background: rgba(0, 0, 0, 0.4);
  padding: 0.25rem 0.5rem;
  pointer-events: none;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0 1.3rem; }
.chips span {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: var(--accent-dim);
  border: 1px solid var(--accent-dim);
  padding: 0.28rem 0.6rem;
}
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .chips span { color: var(--accent); border-color: var(--accent); }

.wheels-cta {
  margin-top: 3rem;
  border: 1px solid var(--accent);
  background: linear-gradient(120deg, var(--accent-dim), transparent 55%);
  padding: 2rem 2.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
}

.wheels-cta p { font-size: 1.1rem; font-weight: 600; max-width: 30rem; }
.wheels-cta > div { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* ---------- design library ---------- */
.lib-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
}

.lib-tabs button {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.lib-tabs button span { color: var(--accent); margin-left: 0.45rem; }
.lib-tabs button:hover { border-color: var(--accent); }
.lib-tabs button.active { color: var(--accent-bright); border-color: var(--accent); }

.lib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.9rem;
}

.lib-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.lib-card:hover { border-color: var(--accent); transform: translateY(-3px); }

.lib-thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  background: #ffffff; /* factory photos are on white — keep them readable on every theme */
}
.lib-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lib-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.7rem;
}

.lib-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.lib-quote {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .lib-quote { color: var(--accent); }
.lib-quote:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- prices ---------- */
.lib-price {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: auto;
}
.lib-card figcaption { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }
.wd-price {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: -0.4rem 0 0.9rem;
}
.wd-price:empty { margin: 0; }
.ci-price {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-top: 0.2rem;
}
.cart-estimate {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
  margin-bottom: 1rem;
}
.cart-estimate strong { color: var(--accent-bright); font-size: 0.95rem; }
.cart-estimate span { display: block; margin-top: 0.3rem; font-size: 0.62rem; letter-spacing: 0.06em; }
.parts-drop-price {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  white-space: nowrap;
}

.lib-foot {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 1.6rem;
}

.lib-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- bmw ---------- */
.chassis {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.6rem;
}
.chassis span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.45rem 0.9rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.chassis span:hover { color: var(--accent-bright); border-color: var(--accent); }

.bmw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.bmw-col {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--card-shadow);
  padding: 1.7rem 1.5rem;
}

.bmw-col h3 {
  font-size: 1.2rem;
  font-style: italic;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.9rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.bmw-col-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.bmw-col ul { display: grid; gap: 0.55rem; }
.bmw-col li {
  font-size: 0.9rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}
.bmw-col li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.52em;
  width: 6px; height: 6px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* ---------- process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  counter-reset: step;
}

.steps li {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--card-shadow);
  padding: 1.9rem 1.6rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  font-style: italic;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  display: block;
  margin-bottom: 0.9rem;
}

.steps h3 { font-size: 1.2rem; font-style: italic; margin-bottom: 0.5rem; }
.steps p { font-size: 0.9rem; color: var(--muted); }

/* ---------- faq ---------- */
.faq-list {
  max-width: 52rem;
  border-bottom: 1px solid var(--line);
}

.faq-list details {
  border-top: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 0.4rem;
  font-weight: 700;
  font-size: 1.02rem;
  cursor: pointer;
  list-style: none;
  transition: color 0.15s ease;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--accent-bright); }

.faq-list summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }

.faq-list details p {
  color: var(--muted);
  font-size: 0.94rem;
  padding: 0 0.4rem 1.4rem;
  max-width: 62ch;
}

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 400;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-contrast);
  background: var(--accent);
  padding: 0.6rem 1rem;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

/* ---------- build form ---------- */
.build-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
}

.build-form, .contact-form {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--card-shadow);
  padding: 2rem;
}

fieldset { border: 0; margin-bottom: 1.8rem; }

legend {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-top: 0.4rem;
}

.f-row { display: grid; gap: 1rem; margin-bottom: 1rem; }
.f-row-2 { grid-template-columns: repeat(2, 1fr); }
.f-row-3 { grid-template-columns: repeat(3, 1fr); }

label {
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

input, select, textarea {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--line);
  padding: 0.75rem 0.9rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  border-radius: 0;
  appearance: none;
}

select {
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%), linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 12px) 55%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.2rem;
}

textarea { resize: vertical; min-height: 84px; }

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

input::placeholder, textarea::placeholder { color: var(--faint); text-transform: none; letter-spacing: 0; font-family: var(--font-main); }

.hp { display: none !important; }

.f-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  cursor: pointer;
}
.f-check input { width: auto; appearance: auto; accent-color: var(--accent); }

.f-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.f-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.f-note.ok { color: var(--accent-bright); }
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .f-note.ok { color: var(--accent); }

.legend-note {
  text-transform: none;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-size: 0.62rem;
}

.extras-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.extras-grid .f-check { margin-bottom: 0; }
.extras-grid .f-check span { text-transform: none; letter-spacing: 0.02em; }
.extras-grid em {
  font-style: normal;
  color: var(--accent);
  margin-left: 0.3rem;
}

.f-hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

/* popular setups reference */
.fitment-ref {
  margin-top: 1.4rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.fitment-ref h4 {
  font-size: 0.95rem;
  font-style: italic;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.fitment-ref dl { display: grid; gap: 0.55rem; }
.fitment-ref dl > div { display: grid; gap: 0.1rem; }
.fitment-ref dt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.fitment-ref dd { font-size: 0.8rem; color: var(--muted); }

.fitment-ref-note {
  margin-top: 0.9rem;
  font-size: 0.72rem;
  color: var(--faint);
  line-height: 1.5;
}

@media (max-width: 700px) {
  .extras-grid { grid-template-columns: 1fr 1fr; }
}

/* summary */
.build-summary {
  position: sticky;
  top: calc(var(--nav-h) + 1.2rem);
  border: 1px solid var(--accent);
  background:
    radial-gradient(ellipse 80% 40% at 50% 0%, var(--accent-dim), transparent 70%),
    var(--panel);
  box-shadow: var(--card-shadow);
  padding: 1.8rem 1.6rem;
}

.build-summary h3 {
  font-size: 1.3rem;
  font-style: italic;
  padding-bottom: 0.9rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--accent-dim);
}

.build-summary dl { display: grid; gap: 0.55rem; }

.build-summary dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

.build-summary dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.18rem;
}

.build-summary dd { text-align: right; color: var(--text); font-weight: 600; }
.build-summary dd.empty { color: var(--faint); font-weight: 400; }

.summary-note {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
}

.contact-info {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--card-shadow);
  padding: 1.8rem 1.6rem;
}

.contact-info h3 { font-size: 1.3rem; font-style: italic; margin-bottom: 1.2rem; }

.contact-info ul { display: grid; gap: 1rem; margin-bottom: 1.4rem; }
.contact-info li { font-size: 0.95rem; display: grid; gap: 0.15rem; }
.contact-info li span {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-info a { color: var(--accent-bright); }
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .contact-info a { color: var(--accent); }
.contact-info a:hover { text-decoration: underline; text-underline-offset: 4px; }

.contact-note {
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 3rem 1.5rem;
  background: var(--bg);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: 1.2rem;
  justify-items: center;
  text-align: center;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-links a:hover { color: var(--accent-bright); }

.footer-small { font-size: 0.78rem; color: var(--faint); max-width: 34rem; }

/* ---------- theme lab (demo switcher) ---------- */
.theme-lab {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 200;
  font-family: var(--font-mono);
}

.theme-lab-toggle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-contrast);
  background: linear-gradient(120deg, var(--accent), var(--accent-bright));
  border: 0;
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.theme-lab-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.6rem);
  width: 252px;
  max-height: 72vh;
  overflow-y: auto;
  background: var(--panel-2);
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  padding: 1rem;
}

.theme-lab-panel p {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.theme-lab-panel p + div { margin-bottom: 0.9rem; }

.theme-lab-swatches { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.theme-lab-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--line);
  cursor: pointer;
  padding: 0;
}
.theme-lab-swatch.active { border-color: var(--accent-bright); box-shadow: 0 0 0 3px var(--accent-dim); }

.theme-lab-heros { display: flex; gap: 0.4rem; }

.theme-lab-sections { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.theme-lab-hero-btn,
.theme-lab-font-btn,
.theme-lab-section-btn {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--input-bg);
  border: 1px solid var(--line);
  padding: 0.45rem 0.2rem;
  cursor: pointer;
}
.theme-lab-section-btn { flex: 0 0 auto; padding: 0.45rem 0.6rem; }

.theme-lab-hero-btn.active,
.theme-lab-font-btn.active,
.theme-lab-section-btn.active { color: var(--accent-bright); border-color: var(--accent); }

.theme-lab-section-btn.off {
  opacity: 0.45;
  text-decoration: line-through;
  border-style: dashed;
}

.theme-lab-reset {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.3rem 0 0;
}
.theme-lab-reset:hover { color: var(--accent-bright); }

/* ---------- series 3d viewer overlay ---------- */
.viewer {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.viewer-sheet {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: viewer-fade 0.25s ease;
}

.viewer-stage {
  position: relative;
  width: min(92vw, 78vh);
  aspect-ratio: 1 / 1;
  animation: viewer-pop 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

#viewerCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#viewerCanvas:active { cursor: grabbing; }

.viewer-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.viewer-loader.done { opacity: 0; }

/* the sheet is dark in every theme, so overlay text stays light */
.viewer-loader-text,
.viewer-caption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #9b998f;
}

.viewer-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2.4rem;
  text-align: center;
  letter-spacing: 0.24em;
}

.viewer-close {
  position: absolute;
  top: -0.4rem;
  right: -0.4rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.viewer-close:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
  transform: rotate(90deg);
}

@keyframes viewer-fade { from { opacity: 0; } }
@keyframes viewer-pop { from { opacity: 0; transform: scale(0.92); } }

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .cat-grid, .series-grid { grid-template-columns: repeat(2, 1fr); }
  .bmw-grid, .steps { grid-template-columns: 1fr; }
  .build-grid, .contact-grid { grid-template-columns: 1fr; }
  .build-summary { position: static; }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding-top: calc(var(--nav-h) + 2rem); }
  .hero-visual { order: -1; }
  .wheel-stage { max-width: 420px; }
  .hero-stats { gap: 1.6rem; flex-wrap: wrap; }

  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 1.6rem 1.5rem 2rem;
    transform: translateY(-130%);
    transition: transform 0.25s ease;
  }
  .nav-links.open { transform: none; }
}

@media (max-width: 560px) {
  .cat-grid, .series-grid { grid-template-columns: 1fr; }
  .f-row-2, .f-row-3 { grid-template-columns: 1fr; }
  .section { padding: 4.5rem 1.2rem; }
  .build-form, .contact-form { padding: 1.4rem; }
}


/* ============================================================
   ADMIN (owner area)
   ============================================================ */
.admin-body { min-height: 100vh; background: var(--bg); }

.admin-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.admin-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  background: var(--accent-dim);
  padding: 0.3rem 0.6rem;
}

.admin-signout { margin-left: auto; padding: 0.55rem 1.1rem; }

/* login */
.admin-login {
  min-height: calc(100vh - 74px);
  display: grid;
  place-items: center;
  padding: 2rem 1.5rem;
}

.admin-login-card {
  width: min(400px, 100%);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--card-shadow);
  padding: 2.2rem;
  display: grid;
  gap: 1.1rem;
}

.admin-login-card h1 { font-size: 1.6rem; font-style: italic; }

.admin-login-error {
  font-size: 0.85rem;
  color: #ff6b5e;
}

.admin-login-note {
  font-size: 0.8rem;
  color: var(--muted);
}
.admin-login-note code { color: var(--accent-bright); font-size: 0.78rem; }

/* dashboard */
.admin-dash {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.admin-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
}

.admin-tabs button {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.65rem 1.2rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.admin-tabs button:hover { border-color: var(--accent); }
.admin-tabs button.active { color: var(--accent-bright); border-color: var(--accent); }

.admin-badge {
  color: var(--accent);
  margin-left: 0.3rem;
}

.admin-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.admin-filters button {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 1px solid var(--line);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
}
.admin-filters button:hover { border-color: var(--accent); }
.admin-filters button.active { color: var(--accent-bright); border-color: var(--accent); }

.admin-refresh { margin-left: auto; }

.admin-empty, .admin-error {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 2rem 0.4rem;
}
.admin-error { color: #ff6b5e; }

/* order cards */
.orders-list { display: grid; gap: 0.6rem; }

.order {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--card-shadow);
}

.order-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  color: var(--text);
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  font-size: 0.9rem;
}
.order-head:hover { background: rgba(255, 255, 255, 0.02); }

.order-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.order-type {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border: 1px solid var(--accent-dim);
  color: var(--accent-bright);
  background: var(--accent-dim);
  white-space: nowrap;
}
.order-type-general { color: var(--muted); border-color: var(--line); background: none; }

.order-name { font-weight: 700; }
.order-vehicle { color: var(--muted); }

.order-design {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--accent-bright);
  border: 1px solid var(--accent);
  padding: 0.15rem 0.45rem;
}

.order-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  white-space: nowrap;
}
.order-status-new { color: #ffd166; border: 1px solid rgba(255, 209, 102, 0.4); }
.order-status-quoted { color: #6ea8ff; border: 1px solid rgba(110, 168, 255, 0.4); }
.order-status-in_production { color: #c792ea; border: 1px solid rgba(199, 146, 234, 0.4); }
.order-status-done { color: #7bd88f; border: 1px solid rgba(123, 216, 143, 0.4); }
.order-status-cancelled { color: var(--muted); border: 1px solid var(--line); }

.order-body {
  border-top: 1px solid var(--line);
  padding: 1.2rem 1.1rem 1.3rem;
  display: grid;
  gap: 1rem;
}

.order-specs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.6rem;
}
.order-specs dt {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.order-specs dd { font-size: 0.9rem; font-weight: 600; }

.order-message {
  font-size: 0.9rem;
  color: var(--muted);
  border-left: 2px solid var(--accent);
  padding-left: 0.9rem;
  white-space: pre-wrap;
}

.order-contact { font-size: 0.88rem; }
.order-contact a { color: var(--accent-bright); }
.order-contact a:hover { text-decoration: underline; }

.order-manage {
  display: grid;
  gap: 0.9rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.order-manage-actions { display: flex; align-items: center; gap: 0.8rem; }
.order-manage-actions .btn { padding: 0.55rem 1.2rem; }
.order-delete:hover { border-color: #ff6b5e; color: #ff6b5e; }
.order-saved { font-family: var(--font-mono); font-size: 0.7rem; color: #7bd88f; }

/* lookup */
.lookup-bar { margin-bottom: 1.2rem; }
.lookup-bar input { max-width: 460px; }
.lookup-hint {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.5rem;
}

.lookup-cat {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

@media (max-width: 640px) {
  .order-head { gap: 0.55rem; }
  .order-status { margin-left: 0; }
  .order-vehicle { flex-basis: 100%; }
}


/* ---------- admin: site theme controls ---------- */
.admin-theme-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.6rem;
  max-width: 52ch;
}

.theme-admin-group { margin-bottom: 1.5rem; }

.admin-group-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.theme-admin-btns { max-width: 340px; }

.theme-admin-actions { display: flex; align-items: center; gap: 1rem; }


/* ---------- admin: designs management ---------- */
.designs-toolbar {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin-bottom: 1.2rem;
}
.designs-toolbar input { max-width: 340px; }
.designs-toolbar .btn { padding: 0.65rem 1.2rem; }

.design-add {
  border: 1px solid var(--accent-dim);
  background: var(--panel);
  padding: 1.2rem;
  margin-bottom: 1.2rem;
}

.admin-design-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.design-card .design-fields {
  display: grid;
  gap: 0.4rem;
  padding: 0.55rem 0.7rem 0.7rem;
}

.design-card .design-code,
.design-card .design-cat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.5rem;
  background: var(--input-bg);
}

.design-actions { display: flex; gap: 0.4rem; }

.design-actions button {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0.2rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background: none;
  color: var(--muted);
}
.design-actions .design-save:hover { border-color: var(--accent); color: var(--accent-bright); }
.design-actions .design-delete:hover { border-color: #ff6b5e; color: #ff6b5e; }


/* ---------- subpages (performance / cosmetic) ---------- */
.page-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 2rem;
}
.page-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  margin: 0.35rem 0 1rem;
}

.cat-grid--six { grid-template-columns: repeat(3, 1fr); }
.bmw-grid--two { grid-template-columns: repeat(2, 1fr); }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}
.photo-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.photo-grid img:hover { border-color: var(--accent); transform: translateY(-3px); }

.builds-title {
  font-size: 1.4rem;
  font-style: italic;
  margin: 2.8rem 0 1.2rem;
}

@media (max-width: 1024px) {
  .cat-grid--six { grid-template-columns: repeat(2, 1fr); }
  .bmw-grid--two { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .cat-grid--six { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
}

/* ---------- gallery: show-more + lightbox ---------- */
.gallery-more {
  text-align: center;
  margin-top: 1.6rem;
}

/* capped gallery: N full rows, then a black fade over the last one */
.gal-cap {
  position: relative;
  overflow: hidden;
  transition: max-height 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.gal-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 13rem;
  display: grid;
  place-items: end center;
  padding-bottom: 1.4rem;
  background: linear-gradient(
    to bottom,
    transparent,
    color-mix(in srgb, var(--bg) 72%, transparent) 52%,
    var(--bg) 94%
  );
  opacity: 0;
  transform: translateY(30%);
  pointer-events: none;
  transition: opacity 0.45s ease, transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.gal-cap.capped .gal-fade {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.gal-fade button { pointer-events: auto; }

.photo-grid img { cursor: zoom-in; }

.gl {
  position: fixed;
  inset: 0;
  z-index: 340;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.gl-sheet {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: viewer-fade 0.25s ease;
}

.gl-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  margin: 0;
  max-width: min(1100px, 100%);
  animation: viewer-pop 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.gl-img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 8.5rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--line);
  background: #060607;
}

/* the sheet is dark in every theme, so overlay text stays light */
.gl-caption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #9b998f;
  text-align: center;
}

.gl-close {
  top: 1.1rem;
  right: 1.1rem;
  z-index: 2;
}

.gl-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.gl-arrow:hover { border-color: var(--accent); color: var(--accent-bright); }
.gl-prev { left: 1.1rem; }
.gl-next { right: 1.1rem; }

@media (max-width: 560px) {
  .gl { padding: 0.8rem; }
  .gl-close { top: 0.6rem; right: 0.6rem; }
  .gl-prev { left: 0.5rem; }
  .gl-next { right: 0.5rem; }
  .gl-img { max-height: calc(100vh - 6.5rem); }
}


/* ---------- wheel detail modal (library) ---------- */
.wd {
  position: fixed;
  inset: 0;
  z-index: 320;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.wd-sheet {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: viewer-fade 0.25s ease;
}

.wd-box {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 0;
  width: min(960px, 100%);
  max-height: 88vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  animation: viewer-pop 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.wd-visual {
  background: #ffffff;
  display: grid;
  place-items: center;
  min-height: 320px;
}
.wd-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wd-spec { padding: 1.8rem 1.7rem; }
.wd-spec h3 {
  font-size: 1.7rem;
  font-style: italic;
  margin: 0.3rem 0 1.2rem;
}

.wd-reuse {
  margin: 0.2rem 0 1rem;
}

/* ---------- cart floating button ---------- */
.cart-fab {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 340;
  display: inline-flex;
  align-items: center;
  height: 54px;
  padding: 0 15px;
  border: 0;
  border-radius: 27px;
  background: linear-gradient(120deg, var(--accent), var(--accent-bright));
  color: var(--accent-contrast);
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.cart-fab:hover, .cart-fab:focus-visible {
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}
.cart-fab-icon { width: 24px; height: 24px; flex-shrink: 0; }
.cart-fab-word {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: max-width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.25s ease, margin-right 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.cart-fab:hover .cart-fab-word,
.cart-fab:focus-visible .cart-fab-word {
  max-width: 4.5rem;
  opacity: 1;
  margin-right: 0.55rem;
}

.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  display: grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 10px;
  background: #0c0a05;
  border: 1px solid var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

/* ---------- toast ---------- */
.cart-toast {
  position: fixed;
  right: 1.2rem;
  bottom: 4.6rem;
  z-index: 345;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--panel-2);
  border: 1px solid var(--accent);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  animation: toast-in 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.cart-toast.out { opacity: 0; transform: translateY(6px); transition: opacity 0.3s ease, transform 0.3s ease; }

#cartToastView {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--accent);
  padding: 0 0 2px;
  cursor: pointer;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
}

/* ---------- cart drawer ---------- */
.cart-drawer {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(440px, 92vw);
  background: var(--bg-2);
  border-left: 1px solid var(--line);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.45);
  padding: 1.4rem 1.3rem 2rem;
  overflow-y: auto;
  animation: drawer-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes drawer-in {
  from { transform: translateX(40px); opacity: 0; }
}

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}
.cart-head h3 { font-size: 1.4rem; font-style: italic; }
.cart-head .viewer-close { position: static; }

.cart-items { display: grid; gap: 0.6rem; margin-bottom: 1.2rem; }

.cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 0.8rem;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.55rem 0.7rem;
}
.cart-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: #fff;
}
.cart-item .ci-code {
  font-weight: 800;
  font-style: italic;
  font-size: 0.95rem;
}
.cart-item .ci-cat {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.cart-item .ci-spec {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.15rem;
  line-height: 1.45;
}
.cart-item .ci-chip {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 1.2rem;
}
.cart-item .ci-remove {
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.3rem;
  line-height: 1;
}
.cart-item .ci-remove:hover { color: #ff6b5e; }

.cart-empty {
  color: var(--muted);
  font-size: 0.88rem;
  padding: 1rem 0.2rem;
}

@media (max-width: 720px) {
  .wd-box { grid-template-columns: 1fr; }
  .wd-visual { min-height: 240px; }
}


/* ---------- media hero (video/poster background) ---------- */
.page-hero--media {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--bg) 0%,
    color-mix(in srgb, var(--bg) 85%, transparent) 50%,
    color-mix(in srgb, var(--bg) 55%, transparent) 100%
  );
}

.page-hero-content { position: relative; z-index: 1; }


/* ---------- editorial feature rows (performance) ---------- */
.feat { padding-top: 0; }

.feat-row {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 2.6rem;
  align-items: center;
  padding: 3.2rem 0;
  border-top: 1px solid var(--line);
}
.feat-row:first-child { border-top: 0; padding-top: 1rem; }
a.feat-row { color: inherit; text-decoration: none; }
a.feat-row:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
a.feat-row:hover .cat-link { text-decoration: underline; }
#perfCatalog, #exhausts, #library { scroll-margin-top: 6rem; }
.feat-row--flip .feat-text { order: 2; }
.feat-row--flip .feat-photo { order: 1; }

.feat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 700;
  font-style: italic;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  margin-bottom: 0.7rem;
}

.feat-text h3 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  font-style: italic;
  margin-bottom: 0.9rem;
}

.feat-text ul {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}
.feat-text li {
  font-size: 0.92rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}
.feat-text li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.52em;
  width: 6px; height: 6px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.feat-photo {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  mask-image: linear-gradient(to right, transparent 0%, black 34%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 34%);
}
.feat-row--flip .feat-photo {
  mask-image: linear-gradient(to left, transparent 0%, black 34%);
  -webkit-mask-image: linear-gradient(to left, transparent 0%, black 34%);
}
.feat-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.15);
  will-change: transform;
}

/* product plate — studio-white card for supplier part shots */
.feat-photo--plate {
  mask-image: none;
  -webkit-mask-image: none;
  display: grid;
  place-items: center;
  background: #f4f4f2;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.feat-photo--plate img {
  object-fit: contain;
  transform: none;
  padding: clamp(0.9rem, 2.4vw, 1.8rem);
}

/* text-only feature row — ghost word fills the photo column */
.feat-row--text::after {
  content: attr(data-ghost);
  justify-self: end;
  align-self: center;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 6.5vw, 5.6rem);
  font-weight: 800;
  font-style: italic;
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  opacity: 0.3;
  user-select: none;
}

/* ---------- immersive cosmetic panels ---------- */
.cos-panel {
  position: relative;
  background: var(--panel-img) center / cover no-repeat;
  isolation: isolate;
}
.cos-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.cos-panel-inner {
  padding-top: 5rem;
  padding-bottom: 5rem;
}
.cos-panel-inner h2 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  margin: 0.35rem 0 1.6rem;
}

.cos-list {
  list-style: none;
  counter-reset: cos;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.8rem;
  max-width: 46rem;
}
.cos-list li { counter-increment: cos; }
.cos-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0.3rem;
  border-top: 1px solid var(--line);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  transition: color 0.15s ease, padding-left 0.2s ease;
}
.cos-list a::before {
  content: "0" counter(cos);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--accent);
  flex-shrink: 0;
}
.cos-list i {
  font-style: normal;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.15s ease, transform 0.2s ease;
}
.cos-list a:hover { color: var(--accent-bright); padding-left: 0.8rem; }
.cos-list a:hover i { opacity: 1; transform: none; }
.cos-list li.open > a { color: var(--accent-bright); }
.cos-list li.open > a i { opacity: 1; transform: rotate(90deg); }

/* ---------- category part dropdowns (parts.js) ---------- */
.parts-drop {
  padding: 0.4rem 0.3rem 1rem;
}
.feat-row > .parts-drop {
  grid-column: 1 / -1;
  padding: 0.4rem 0 1rem;
}
.parts-drop-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 0.9rem;
  align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}
.parts-drop-row:last-of-type { border-bottom: 0; }
.parts-drop-row img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
}
.parts-drop-chip {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--accent);
}
.parts-drop-info { display: grid; gap: 0.12rem; }
.parts-drop-name { font-weight: 700; font-size: 0.92rem; }
.parts-drop-name em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-left: 0.35rem;
}
.parts-drop-detail { font-size: 0.72rem; color: var(--muted); }
.parts-drop-note {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 0.6rem 0 0.2rem;
  max-width: 34rem;
  line-height: 1.55;
}
.parts-drop-quote {
  margin-top: 0.6rem;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.parts-drop-quote:hover { text-decoration: underline; text-underline-offset: 3px; }
:is(:root[data-theme="white"], :root[data-theme="arctic"]) .parts-drop-quote { color: var(--accent); }

/* ---------- admin: parts tab ---------- */
.design-card .part-name,
.design-card .part-detail,
.design-card .part-code,
.design-card .part-cat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.5rem;
  background: var(--input-bg);
}
.part-cat-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.part-nothumb {
  display: grid;
  place-items: center;
  height: 100%;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.part-cat-filter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.55rem 0.6rem;
  background: var(--input-bg);
  color: inherit;
  border: 1px solid var(--line);
  max-width: 300px;
}

@media (max-width: 860px) {
  .feat-row { grid-template-columns: 1fr; gap: 1.4rem; padding: 2.4rem 0; }
  .feat-row--flip .feat-text { order: 1; }
  .feat-row--flip .feat-photo { order: 2; }
  .feat-row--text::after { justify-self: start; font-size: 2.2rem; }
}


/* ---------- m-parts cards ---------- */
.part-meta {
  display: grid;
  gap: 0.15rem;
  padding: 0 0.7rem 0.7rem;
}
.part-name {
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.35;
}
.part-fit {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}


/* ---------- lane gateway (home) ---------- */
.lane-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.lane-panel {
  position: relative;
  display: block;
  min-height: 380px;
  background: var(--panel-img) center / cover no-repeat;
  border: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.lane-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--bg) 55%, transparent) 0%,
    color-mix(in srgb, var(--bg) 92%, transparent) 75%
  );
  transition: background 0.25s ease;
}
.lane-panel:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.lane-panel-inner {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.6rem 1.5rem 1.5rem;
  display: block;
}

.lane-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.lane-panel h3 {
  font-size: 1.9rem;
  font-style: italic;
  margin-bottom: 0.45rem;
}
.lane-panel p {
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 26ch;
  margin-bottom: 0.9rem;
}

@media (max-width: 900px) {
  .lane-grid { grid-template-columns: 1fr; }
  .lane-panel { min-height: 260px; }
}

/* wheels section: library unified inside it */
.library-inner { margin-top: 4.5rem; }


/* ============================================================
   PREMIUM LAYER — animation, texture, finishing touches
   ============================================================ */

/* ---------- preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.55s ease, visibility 0.55s ease;
}
.preloader.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader-inner {
  display: grid;
  justify-items: center;
  gap: 1.1rem;
  animation: preloader-in 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.preloader-logo {
  width: min(300px, 62vw);
  height: auto;
}
.preloader-bar {
  display: block;
  width: min(300px, 62vw);
  height: 2px;
  background: var(--accent-dim);
  overflow: hidden;
}
#preloaderFill {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transition: width 0.35s ease;
}
@keyframes preloader-in {
  from { opacity: 0; transform: translateY(12px); }
}

/* ---------- staggered reveals ---------- */
.section-head.reveal > :nth-child(1) { transition-delay: 0s; }
.section-head.reveal > :nth-child(2) { transition-delay: 0.1s; }
.section-head.reveal > :nth-child(3) { transition-delay: 0.2s; }
.section-head.reveal > * { transition-property: opacity, transform; }

.cat-grid.reveal > *, .series-grid.reveal > *, .lane-grid.reveal > *,
.steps.reveal > *, .lib-grid.reveal > *, .photo-grid.reveal > * {
  transition-property: opacity, transform;
}
.cat-grid.reveal > :nth-child(1), .series-grid.reveal > :nth-child(1),
.lane-grid.reveal > :nth-child(1), .steps.reveal > :nth-child(1) { transition-delay: 0s; }
.cat-grid.reveal > :nth-child(2), .series-grid.reveal > :nth-child(2),
.lane-grid.reveal > :nth-child(2), .steps.reveal > :nth-child(2) { transition-delay: 0.09s; }
.cat-grid.reveal > :nth-child(3), .series-grid.reveal > :nth-child(3),
.lane-grid.reveal > :nth-child(3), .steps.reveal > :nth-child(3) { transition-delay: 0.18s; }
.cat-grid.reveal > :nth-child(4), .series-grid.reveal > :nth-child(4) { transition-delay: 0.27s; }
.cat-grid.reveal > :nth-child(n+5), .series-grid.reveal > :nth-child(n+5),
.lane-grid.reveal > :nth-child(n+4), .photo-grid.reveal > :nth-child(n+1) { transition-delay: 0.24s; }

/* grids that don't share one .reveal parent: stagger children of any .reveal container */
.reveal > :nth-child(n+5):not(script):not(style) { }

/* ---------- nav link underline ---------- */
.nav-links a:not(.nav-cta) {
  position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent-bright);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); }

/* ---------- gold button sheen ---------- */
.btn-gold {
  position: relative;
  overflow: hidden;
}
.btn-gold::after {
  content: "";
  position: absolute;
  inset: -20% auto -20% -60%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-18deg) translateX(0);
  transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}
.btn-gold:hover::after { transform: skewX(-18deg) translateX(360%); }

/* ---------- card glow on hover ---------- */
.cat-card, .series-card, .lane-panel, .bmw-col, .steps li, .build-summary, .contact-info {
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.3s ease;
}
.cat-card:hover, .series-card:hover, .lane-panel:hover, .bmw-col:hover, .steps li:hover {
  box-shadow: 0 18px 50px -18px color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ---------- slow zoom on photos ---------- */
.photo-grid img {
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.2s ease;
}
.photo-grid img:hover { transform: scale(1.035); }

/* ---------- marquee pause on hover ---------- */
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- film grain ---------- */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 250;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.032;
  mix-blend-mode: overlay;
}

/* ---------- scrollbar ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--accent) 45%, var(--bg-2));
  border: 3px solid var(--bg);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }
html { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--accent) 45%, var(--bg-2)) var(--bg); }

/* ---------- focus rings ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- footer credit ---------- */
.footer-small .credit {
  color: var(--muted);
  border-bottom: 1px solid var(--accent-dim);
  transition: color 0.15s ease;
}
.footer-small .credit:hover { color: var(--accent-bright); }


/* ============================================================
   Site search — nav icon + overlay (injected by quote-cart.js)
   ============================================================ */
.ss-nav-btn {
  background: none;
  border: 0;
  padding: 0;
  margin-left: 0.6rem;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}
.ss-nav-btn:hover { color: var(--accent-bright); transform: scale(1.08); }
.ss-nav-btn svg { width: 1.05rem; height: 1.05rem; }

.ss-overlay { position: fixed; inset: 0; z-index: 600; display: flex; align-items: flex-start; justify-content: center; }
.ss-backdrop {
  position: absolute; inset: 0;
  background: rgba(4, 4, 6, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.ss-overlay.on .ss-backdrop { opacity: 1; }
.ss-panel {
  position: relative;
  margin-top: 20vh;
  width: min(92vw, 42rem);
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.ss-overlay.on .ss-panel { opacity: 1; transform: none; }
.ss-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.ss-form input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--line);
  color: var(--text);
  font-family: inherit;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-style: italic;
  font-weight: 800;
  padding: 0.55rem 0.2rem;
  outline: none;
  transition: border-color 0.2s ease;
}
.ss-form input:focus { border-color: var(--accent); }
.ss-form input::placeholder { color: var(--faint); }
.ss-hint {
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}
.ss-close {
  position: absolute;
  top: -0.6rem;
  right: 0;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 1.9rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease;
}
.ss-close:hover { color: var(--accent-bright); }
