/* =====================================================================
   LUMORA — Universal Ambient Car Lighting
   Design system + components. Static, no dependencies.
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces */
  --bg: #06070d;
  --bg-2: #090b13;
  --surface: #11131c;
  --surface-2: #181b27;
  --surface-3: #1f2330;
  --line: #232636;
  --line-2: #2e3346;

  /* Text */
  --text: #f2f4ff;
  --muted: #9aa0b5;
  --muted-2: #6c7188;

  /* Brand accents */
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --magenta: #ec4899;
  --amber: #f59e0b;
  --green: #34d399;

  --accent: var(--violet);
  --grad: linear-gradient(100deg, var(--cyan), var(--violet) 52%, var(--magenta));
  --grad-soft: linear-gradient(100deg, rgba(34, 211, 238, .15), rgba(139, 92, 246, .15) 52%, rgba(236, 72, 153, .15));

  /* Radii + shadow */
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .8);
  --glow-ring: 0 0 0 1px rgba(255, 255, 255, .06);

  /* Layout */
  --maxw: 1180px;
  --gut: clamp(16px, 4vw, 40px);
  --nav-h: 68px;

  /* Demo studio live color (driven by JS) */
  --glow: #8b5cf6;

  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient background wash */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60vw 50vh at 12% -8%, rgba(34, 211, 238, .12), transparent 60%),
    radial-gradient(55vw 45vh at 92% 4%, rgba(236, 72, 153, .12), transparent 60%),
    radial-gradient(70vw 60vh at 50% 118%, rgba(139, 92, 246, .14), transparent 60%);
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 { line-height: 1.12; font-weight: 700; letter-spacing: -.02em; }

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  padding: 10px 16px;
  border-radius: var(--r-sm);
  z-index: 200;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

section { position: relative; }
.section { padding-block: clamp(56px, 9vw, 110px); }
.section--tight { padding-block: clamp(40px, 6vw, 70px); }

.section-head { max-width: 640px; margin-bottom: clamp(28px, 5vw, 52px); }
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--grad);
  border-radius: 2px;
}
.section-head.center .eyebrow { justify-content: center; }

h2.title { font-size: clamp(1.8rem, 4.5vw, 2.9rem); }
h3.title { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.lead { color: var(--muted); font-size: clamp(1rem, 2vw, 1.12rem); margin-top: 14px; }

.text-grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: var(--pad-y) 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .96rem;
  border: 1px solid transparent;
  transition: transform .15s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .2s var(--ease), opacity .2s;
  white-space: nowrap;
  position: relative;
}
.btn:active { transform: translateY(1px) scale(.99); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 26px -8px rgba(139, 92, 246, .7), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -10px rgba(236, 72, 153, .65), inset 0 1px 0 rgba(255, 255, 255, .25); }

.btn-ghost {
  background: rgba(255, 255, 255, .04);
  border-color: var(--line-2);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .09); border-color: var(--line-2); transform: translateY(-2px); }

.btn-block { width: 100%; }
.btn-lg { --pad-y: 16px; padding-inline: 30px; font-size: 1.02rem; }
.btn-sm { --pad-y: 9px; padding-inline: 15px; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(6, 7, 13, .6);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.nav.scrolled { background: rgba(6, 7, 13, .86); border-bottom-color: var(--line); }
.nav .container { display: flex; align-items: center; gap: 18px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: .14em; font-size: 1.06rem; }
.brand .orb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 14px 2px rgba(139, 92, 246, .9), 0 0 26px 6px rgba(34, 211, 238, .35);
  animation: hue 9s linear infinite;
}

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.nav-links a {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: .94rem;
  font-weight: 500;
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, .06); }

.nav-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.icon-btn {
  width: 42px; height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  position: relative;
  transition: background .2s, border-color .2s, transform .15s;
}
.icon-btn:hover { background: rgba(255, 255, 255, .08); border-color: var(--line-2); }
.icon-btn svg { width: 20px; height: 20px; stroke: currentColor; }

.cart-count {
  position: absolute;
  top: -4px; right: -4px;
  min-width: 19px; height: 19px;
  padding: 0 5px;
  display: grid; place-items: center;
  font-size: .7rem; font-weight: 700;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 0 0 2px var(--bg);
  transform: scale(0);
  transition: transform .25s var(--ease);
}
.cart-count.show { transform: scale(1); }

.hamburger { display: none; }

/* Mobile nav */
@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 14px var(--gut) 22px;
    background: rgba(9, 11, 19, .97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform .35s var(--ease);
    box-shadow: var(--shadow);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 14px; font-size: 1.05rem; }
  .hamburger { display: inline-grid; }
}
@media (max-width: 560px) { .nav-cta { display: none; } }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(40px, 8vw, 84px); padding-bottom: clamp(40px, 7vw, 80px); overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 6.6vw, 4.3rem);
  letter-spacing: -.03em;
}
.hero h1 .glowword {
  background: var(--grad);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hue-bg 8s linear infinite;
}
.hero p.lead { max-width: 46ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 30px; color: var(--muted); font-size: .9rem; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { width: 18px; height: 18px; color: var(--green); }

.badge-pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-2);
  font-size: .84rem; color: var(--muted);
  margin-bottom: 22px;
}
.badge-pill b { color: var(--text); font-weight: 600; }
.badge-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* ---------- Car visual (hero + studio) ---------- */
.car-stage {
  position: relative;
  border-radius: var(--r-xl);
  background: radial-gradient(120% 90% at 50% 0%, #14131f, #08080f 70%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow), var(--glow-ring);
  padding: 18px;
  overflow: hidden;
}
.car-stage { --glow-strength: .9; }
.car-stage::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(70% 55% at 50% 92%, color-mix(in srgb, var(--glow) 45%, transparent), transparent 70%);
  opacity: var(--glow-strength);
  pointer-events: none;
  mix-blend-mode: screen;
  transition: opacity .3s var(--ease);
}
.car-svg { width: 100%; height: auto; position: relative; z-index: 1; transition: opacity .3s var(--ease); }
.car-svg .glowpart {
  color: var(--glow);
  transition: color .4s var(--ease);
}

/* Thumbnail / detail glow mockups inherit the per-product accent (--sw) */
.thumb svg,
.pd-main svg,
.pd-thumbs button svg,
.cart-line .mini svg,
.co-line .mini svg { color: var(--sw, var(--violet)); }

.thumb svg .glowpart,
.pd-main svg .glowpart,
.pd-thumbs button svg .glowpart,
.cart-line .mini svg .glowpart,
.co-line .mini svg .glowpart { filter: drop-shadow(0 0 4px currentColor); }

/* glow animation hooks toggled by JS scene classes */
.car-stage[data-scene="breathe"] .car-svg .glowpart { animation: breathe 3.6s var(--ease) infinite; }
.car-stage[data-scene="music"] .car-svg .glowpart { animation: music 1.1s var(--ease) infinite; }
.car-stage[data-scene="rainbow"] .car-svg .glowpart { animation: rainbow 7s linear infinite; }
.car-stage[data-scene="rainbow"]::after { animation: rainbow 7s linear infinite; }

/* ---------- Live Color Studio ---------- */
.studio-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}
@media (max-width: 920px) { .studio-grid { grid-template-columns: 1fr; } }

.studio-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3vw, 30px);
}
.studio-panel h3 { font-size: 1.15rem; margin-bottom: 4px; }
.studio-panel .hint { color: var(--muted); font-size: .9rem; margin-bottom: 22px; }

.ctl-label { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); margin-bottom: 11px; }
.ctl-group + .ctl-group { margin-top: 24px; }

.swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .12), 0 0 14px -2px var(--sw);
  background: var(--sw);
  transition: transform .15s var(--ease), border-color .2s;
}
.swatch:hover { transform: scale(1.12); }
.swatch[aria-pressed="true"] { border-color: #fff; transform: scale(1.12); }
.swatch.custom {
  position: relative;
  display: grid; place-items: center;
  background: conic-gradient(red, yellow, lime, cyan, blue, magenta, red);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .2);
  overflow: hidden;
}
.swatch.custom input[type="color"] { position: absolute; inset: -6px; opacity: 0; cursor: pointer; }
.swatch.custom svg { width: 16px; height: 16px; color: #fff; filter: drop-shadow(0 1px 2px rgba(0,0,0,.6)); }

.scenes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.scene-btn {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 13px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--surface-2);
  font-size: .9rem; font-weight: 500;
  transition: border-color .2s, background .2s;
}
.scene-btn .ico { width: 16px; height: 16px; color: var(--cyan); }
.scene-btn[aria-pressed="true"] { border-color: var(--violet); background: rgba(139, 92, 246, .14); }

.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, #2a2e40, var(--glow));
  outline-offset: 4px;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--glow);
  box-shadow: 0 0 10px var(--glow);
  cursor: pointer;
}
.slider::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 3px solid var(--glow);
  box-shadow: 0 0 10px var(--glow); cursor: pointer;
}
.studio-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 26px; gap: 14px; flex-wrap: wrap; }
.studio-foot .hexlabel { font-variant-numeric: tabular-nums; color: var(--muted); font-size: .9rem; }
.studio-foot .hexlabel b { color: var(--text); }

/* ---------- Trust bar ---------- */
.trustbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.trustbar .cell {
  background: var(--bg);
  padding: 22px clamp(12px, 2vw, 24px);
  display: flex; align-items: center; gap: 13px;
}
.trustbar .cell svg { width: 26px; height: 26px; color: var(--cyan); flex-shrink: 0; }
.trustbar .cell b { display: block; font-size: .98rem; }
.trustbar .cell span { color: var(--muted); font-size: .82rem; }
@media (max-width: 760px) { .trustbar { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Product cards ---------- */
.grid-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: clamp(16px, 2.4vw, 26px);
}
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .25s var(--ease), border-color .25s, box-shadow .3s;
}
.product-card:hover { transform: translateY(-5px); border-color: var(--line-2); box-shadow: var(--shadow); }

/* SVG glow mockup thumbnail */
.thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: radial-gradient(120% 100% at 50% 0%, #15141f, #0a0a12 75%);
  display: grid; place-items: center;
  overflow: hidden;
}
.thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 50% 88%, color-mix(in srgb, var(--sw, var(--violet)) 55%, transparent), transparent 72%);
  mix-blend-mode: screen;
}
.thumb svg { width: 72%; position: relative; z-index: 1; }
.thumb .cat-tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
  background: rgba(0, 0, 0, .45); border: 1px solid rgba(255, 255, 255, .12);
  color: var(--text); backdrop-filter: blur(6px);
}

.product-body { padding: 18px; display: flex; flex-direction: column; flex: 1; gap: 8px; }
.product-body h3 { font-size: 1.08rem; }
.product-body .blurb { color: var(--muted); font-size: .88rem; flex: 1; }
.colorways { display: flex; gap: 6px; margin-top: 2px; }
.colorways i { width: 14px; height: 14px; border-radius: 50%; box-shadow: 0 0 8px -1px currentColor; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; }
.price { font-size: 1.3rem; font-weight: 700; }
.price small { font-size: .8rem; color: var(--muted); font-weight: 500; }
.stars { display: inline-flex; gap: 1px; color: var(--amber); font-size: .82rem; align-items: center; }
.stars span { color: var(--muted); margin-left: 5px; }

/* ---------- Feature grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: clamp(14px, 2vw, 22px); }
.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 24px;
  transition: border-color .25s, transform .25s;
}
.feature:hover { border-color: var(--line-2); transform: translateY(-3px); }
.feature .ficon {
  width: 48px; height: 48px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--grad-soft);
  border: 1px solid var(--line-2);
  margin-bottom: 16px;
}
.feature .ficon svg { width: 24px; height: 24px; color: var(--cyan); }
.feature h3 { font-size: 1.1rem; margin-bottom: 7px; }
.feature p { color: var(--muted); font-size: .92rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.5vw, 30px); counter-reset: step; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: 16px; }
.step .num {
  font-size: 2.6rem; font-weight: 800; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 12px;
}
.step h3 { font-size: 1.18rem; margin-bottom: 7px; }
.step p { color: var(--muted); font-size: .94rem; }

/* ---------- Compatibility ---------- */
.compat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 44px);
  display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center;
}
@media (max-width: 760px) { .compat { grid-template-columns: 1fr; } }
.compat-form { display: flex; gap: 10px; flex-wrap: wrap; }
.field {
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  min-width: 150px;
  flex: 1;
}
.field:focus { border-color: var(--violet); outline: none; }
select.field { cursor: pointer; }
.compat-result {
  margin-top: 16px;
  display: none;
  align-items: center; gap: 11px;
  color: var(--green); font-weight: 600;
  background: rgba(52, 211, 153, .1);
  border: 1px solid rgba(52, 211, 153, .3);
  border-radius: var(--r-sm);
  padding: 12px 16px;
}
.compat-result.show { display: flex; }
.compat-result svg { width: 20px; height: 20px; }

/* ---------- Testimonials ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: clamp(14px, 2vw, 22px); }
.testi {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px;
}
.testi .stars { margin-bottom: 12px; font-size: .95rem; }
.testi p { font-size: .96rem; }
.testi .who { display: flex; align-items: center; gap: 11px; margin-top: 18px; }
.testi .av {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: .85rem;
  background: var(--grad); color: #fff;
}
.testi .who b { font-size: .9rem; display: block; }
.testi .who span { color: var(--muted); font-size: .8rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 4px;
  text-align: left;
  font-size: 1.05rem; font-weight: 600;
}
.faq-q .chev { width: 22px; height: 22px; color: var(--muted); transition: transform .3s var(--ease); flex-shrink: 0; }
.faq-q[aria-expanded="true"] .chev { transform: rotate(180deg); color: var(--cyan); }
.faq-a { overflow: hidden; height: 0; transition: height .3s var(--ease); }
.faq-a-inner { padding: 0 4px 22px; color: var(--muted); }

/* ---------- Newsletter / CTA band ---------- */
.cta-band {
  position: relative;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-2);
  padding: clamp(34px, 6vw, 70px);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(60% 120% at 50% 0%, rgba(139, 92, 246, .25), transparent 60%),
    radial-gradient(50% 120% at 90% 100%, rgba(236, 72, 153, .2), transparent 55%),
    var(--surface);
}
.cta-band h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); }
.newsletter { display: flex; gap: 10px; max-width: 440px; margin: 26px auto 0; flex-wrap: wrap; }
.newsletter .field { flex: 1; min-width: 200px; border-radius: 999px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: clamp(40px, 6vw, 64px) 30px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: clamp(24px, 4vw, 40px); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); margin-bottom: 14px; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { color: var(--muted); font-size: .92rem; transition: color .2s; }
.footer-links a:hover { color: var(--text); }
.footer .blurb { color: var(--muted); font-size: .92rem; max-width: 32ch; margin-top: 14px; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line);
  color: var(--muted-2); font-size: .85rem;
}

/* ---------- Cart drawer ---------- */
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 110;
  background: rgba(3, 4, 8, .6);
  backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.drawer-backdrop.open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 120;
  width: min(420px, 100%);
  display: flex; flex-direction: column;
  background: var(--bg-2);
  border-left: 1px solid var(--line);
  transform: translateX(100%);
  transition: transform .35s var(--ease);
  box-shadow: -30px 0 60px -30px rgba(0, 0, 0, .9);
}
.drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 20px; border-bottom: 1px solid var(--line); }
.drawer-head h3 { font-size: 1.15rem; }

.ship-bar { padding: 16px 20px; border-bottom: 1px solid var(--line); }
.ship-bar p { font-size: .85rem; color: var(--muted); margin-bottom: 9px; }
.ship-bar p b { color: var(--text); }
.ship-track { height: 6px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.ship-fill { height: 100%; width: 0; background: var(--grad); border-radius: 999px; transition: width .4s var(--ease); }

.drawer-items { flex: 1; overflow-y: auto; padding: 8px 20px; }
.cart-line { display: grid; grid-template-columns: 56px 1fr auto; gap: 13px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.cart-line .mini {
  width: 56px; height: 56px; border-radius: 12px;
  background: radial-gradient(100% 100% at 50% 0%, #16151f, #0b0b12);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.cart-line .mini::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 80%, color-mix(in srgb, var(--sw) 60%, transparent), transparent 70%); mix-blend-mode: screen; }
.cart-line .mini svg { width: 64%; position: relative; z-index: 1; }
.cart-line .ci-name { font-size: .92rem; font-weight: 600; line-height: 1.3; }
.cart-line .ci-meta { font-size: .8rem; color: var(--muted); margin-top: 2px; }
.cart-line .ci-price { font-weight: 600; font-size: .95rem; text-align: right; }
.qty { display: inline-flex; align-items: center; gap: 0; margin-top: 9px; border: 1px solid var(--line-2); border-radius: 999px; overflow: hidden; }
.qty button { width: 28px; height: 28px; display: grid; place-items: center; color: var(--muted); transition: background .2s, color .2s; }
.qty button:hover { background: var(--surface-3); color: var(--text); }
.qty span { min-width: 30px; text-align: center; font-size: .88rem; font-variant-numeric: tabular-nums; }
.ci-remove { color: var(--muted-2); font-size: .78rem; margin-top: 8px; transition: color .2s; }
.ci-remove:hover { color: var(--magenta); }

.cart-empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.cart-empty svg { width: 54px; height: 54px; color: var(--line-2); margin: 0 auto 16px; }

.drawer-foot { padding: 20px; border-top: 1px solid var(--line); background: var(--surface); }
.drawer-foot .row { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: .92rem; color: var(--muted); }
.drawer-foot .row.total { font-size: 1.15rem; font-weight: 700; color: var(--text); margin-top: 10px; margin-bottom: 16px; }

/* ---------- Page header (sub pages) ---------- */
.page-head { padding-block: clamp(34px, 6vw, 60px) 0; }
.breadcrumb { display: flex; gap: 8px; align-items: center; color: var(--muted-2); font-size: .85rem; margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb svg { width: 14px; height: 14px; }

/* ---------- Shop toolbar ---------- */
.shop-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 26px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--surface);
  font-size: .88rem; font-weight: 500; color: var(--muted);
  transition: all .2s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--muted-2); }
.chip[aria-pressed="true"] { background: var(--grad); color: #fff; border-color: transparent; }
.sort-wrap { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: .88rem; }
.sort-wrap select { padding: 9px 12px; border-radius: var(--r-sm); background: var(--surface); border: 1px solid var(--line-2); }

/* ---------- Product detail ---------- */
.pd-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(26px, 4vw, 54px); align-items: start; }
@media (max-width: 880px) { .pd-grid { grid-template-columns: 1fr; } }
.pd-gallery { position: sticky; top: calc(var(--nav-h) + 20px); }
.pd-main {
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: radial-gradient(120% 100% at 50% 0%, #15141f, #0a0a12 75%);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.pd-main::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 55% at 50% 85%, color-mix(in srgb, var(--sw) 60%, transparent), transparent 72%); mix-blend-mode: screen; }
.pd-main svg { width: 70%; position: relative; z-index: 1; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd-thumbs button {
  width: 70px; height: 70px; border-radius: 12px; border: 1px solid var(--line);
  background: radial-gradient(100% 100% at 50% 0%, #15141f, #0a0a12);
  position: relative; overflow: hidden; transition: border-color .2s;
}
.pd-thumbs button[aria-pressed="true"] { border-color: var(--violet); }
.pd-thumbs button::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 82%, color-mix(in srgb, var(--sw) 55%, transparent), transparent 72%); mix-blend-mode: screen; }
.pd-thumbs button svg { width: 62%; margin: auto; position: relative; z-index: 1; }

.pd-info h1 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: 10px; }
.pd-price { font-size: 1.7rem; font-weight: 700; margin: 14px 0; }
.pd-desc { color: var(--muted); margin-bottom: 22px; }
.pd-opt-label { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-2); margin-bottom: 10px; }
.pd-colorways { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.pd-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 24px; }
.qty-stepper { display: inline-flex; align-items: center; border: 1px solid var(--line-2); border-radius: 999px; overflow: hidden; }
.qty-stepper button { width: 42px; height: 46px; display: grid; place-items: center; color: var(--muted); transition: background .2s; }
.qty-stepper button:hover { background: var(--surface-2); color: var(--text); }
.qty-stepper span { min-width: 40px; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; }

.pd-perks { display: grid; gap: 11px; margin: 22px 0; }
.pd-perks li { display: flex; gap: 11px; align-items: center; color: var(--muted); font-size: .92rem; }
.pd-perks svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; }

.specs { width: 100%; border-collapse: collapse; margin-top: 8px; }
.specs th, .specs td { text-align: left; padding: 13px 4px; border-bottom: 1px solid var(--line); font-size: .92rem; }
.specs th { color: var(--muted); font-weight: 500; width: 42%; }

/* ---------- Checkout ---------- */
.co-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 4vw, 46px); align-items: start; }
@media (max-width: 880px) { .co-grid { grid-template-columns: 1fr; } .co-summary { order: -1; } }
.co-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(20px, 3vw, 30px); }
.co-card + .co-card { margin-top: 18px; }
.co-card h3 { font-size: 1.1rem; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.co-card h3 .step-dot { width: 26px; height: 26px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font-size: .8rem; color: #fff; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 7px; }
.form-field .field { width: 100%; }
.demo-note {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; color: var(--amber);
  background: rgba(245, 158, 11, .1); border: 1px solid rgba(245, 158, 11, .3);
  padding: 7px 12px; border-radius: 999px; margin-bottom: 18px;
}
.demo-note svg { width: 15px; height: 15px; }

.co-summary { position: sticky; top: calc(var(--nav-h) + 20px); }
.co-line { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: center; }
.co-line .mini { width: 48px; height: 48px; border-radius: 10px; background: radial-gradient(100% 100% at 50% 0%, #16151f, #0b0b12); position: relative; overflow: hidden; display: grid; place-items: center; flex-shrink: 0; }
.co-line .mini::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 80%, color-mix(in srgb, var(--sw) 60%, transparent), transparent 70%); mix-blend-mode: screen; }
.co-line .mini svg { width: 64%; position: relative; z-index: 1; }
.co-line .ci-name { font-size: .9rem; font-weight: 600; }
.co-line .ci-meta { font-size: .78rem; color: var(--muted); }
.co-line .ci-price { margin-left: auto; font-weight: 600; font-size: .92rem; }
.co-totals { margin-top: 16px; }
.co-totals .row { display: flex; justify-content: space-between; font-size: .92rem; color: var(--muted); margin-bottom: 8px; }
.co-totals .row.total { font-size: 1.25rem; font-weight: 700; color: var(--text); padding-top: 14px; margin-top: 6px; border-top: 1px solid var(--line); }

/* Order confirmation */
.confirm { max-width: 560px; margin-inline: auto; text-align: center; padding-block: clamp(30px, 6vw, 60px); }
.confirm .check {
  width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 24px;
  display: grid; place-items: center;
  background: radial-gradient(circle, rgba(52,211,153,.25), transparent 70%);
  border: 1px solid rgba(52, 211, 153, .4);
}
.confirm .check svg { width: 40px; height: 40px; color: var(--green); }
.confirm h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 12px; }
.confirm .order-no { display: inline-block; margin: 18px 0; padding: 10px 20px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line-2); font-variant-numeric: tabular-nums; letter-spacing: .04em; }
.confirm .order-no b { color: var(--cyan); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 140; display: flex; flex-direction: column; gap: 10px; align-items: center; pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: 11px;
  background: var(--surface-2); border: 1px solid var(--line-2);
  padding: 13px 18px; border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: .9rem; font-weight: 500;
  transform: translateY(20px); opacity: 0;
  transition: transform .3s var(--ease), opacity .3s;
}
.toast.show { transform: none; opacity: 1; }
.toast svg { width: 18px; height: 18px; color: var(--green); }

/* ---------- Animations ---------- */
@keyframes hue { to { filter: hue-rotate(360deg); } }
@keyframes hue-bg { to { background-position: 220% 0; } }
@keyframes breathe { 0%, 100% { opacity: .45; filter: saturate(.8); } 50% { opacity: 1; filter: saturate(1.3); } }
@keyframes music {
  0% { opacity: .5; } 15% { opacity: 1; } 30% { opacity: .65; }
  45% { opacity: .95; } 60% { opacity: .55; } 75% { opacity: 1; } 100% { opacity: .6; }
}
@keyframes rainbow { to { filter: hue-rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Utilities ---------- */
.mt-s { margin-top: 14px; }
.mt-m { margin-top: 26px; }
.center { text-align: center; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.muted { color: var(--muted); }
.flex { display: flex; }
.wrap { flex-wrap: wrap; }
.gap-s { gap: 10px; }
.between { justify-content: space-between; }
.items-center { align-items: center; }