/* ============================================================
   AutoParts Depot — LAYOUT WIREFRAME (content is placeholder)
   Neutral palette: #ededed page, #e2e2e2 / #dcdcdc surfaces,
   #c6c6c6 hairlines, #333 / #777 text, accent mapped to #9a9a9a.
   No gradients, no shadows, no brand colours. Type: Inter
   ============================================================ */

:root {
  --ink: #333333;
  --ink-2: #333333;
  --ink-3: #777777;
  --line: #c6c6c6;
  --line-2: #c6c6c6;
  --surface: #e2e2e2;
  --tint: #dcdcdc;
  --accent: var(--pop);
  --accent-dark: color-mix(in srgb, var(--pop) 85%, #000000);
  --accent-tint: #dcdcdc;
  --ok: #777777;
  --ok-tint: #dcdcdc;
  --warn: #777777;
  --warn-tint: #dcdcdc;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: none;
  --shadow-lg: none;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.ico { width: 1.1em; height: 1.1em; flex: none; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); font-weight: 800; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

button { font-family: inherit; cursor: pointer; }

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

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

.eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .6rem;
}

.hide-sm { display: inline; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 600;
  font-size: .95rem;
  padding: .72rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--accent); color: var(--pop-ink); }
.btn-accent:hover { background: var(--accent-dark); color: var(--pop-ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; color: #fff; }
.btn-outline { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink); color: var(--ink); }

/* ============ Topbar ============ */
.topbar {
  background: var(--ink);
  color: #cfd4da;
  font-size: .82rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .45rem 0;
}
.topbar-left { display: flex; gap: 1.4rem; min-width: 0; }
.topbar-item { display: inline-flex; align-items: center; gap: .45rem; white-space: nowrap; }
.topbar-item a { color: #fff; font-weight: 600; }
.topbar-item a:hover { color: var(--accent); }
.topbar-right { display: flex; gap: 1.2rem; }
.topbar-link { color: #cfd4da; }
.topbar-link:hover { color: var(--accent); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: .85rem 0;
  transition: padding .25s ease;
}
.site-header.is-scrolled .header-inner { padding: .5rem 0; }

.brand { display: inline-flex; align-items: center; gap: .6rem; flex: none; }
.brand:hover { color: var(--ink); }
.brand-mark { width: 36px; height: 36px; }
.brand-text { font-size: 1.18rem; font-weight: 600; letter-spacing: -.02em; white-space: nowrap; }
.brand-text strong { font-weight: 800; color: var(--accent); }

.header-search {
  flex: 1;
  display: flex;
  max-width: 560px;
  border: 1.5px solid var(--line-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--tint);
  transition: border-color .18s ease, background .18s ease;
}
.header-search:focus-within { border-color: var(--accent); background: #fff; }
.header-search input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: .62rem .9rem;
  font: inherit;
  font-size: .92rem;
  color: var(--ink);
  min-width: 0;
}
.header-search input:focus { outline: none; }
.header-search button {
  border: 0;
  background: var(--ink);
  color: #fff;
  padding: 0 1rem;
  display: grid;
  place-items: center;
  transition: background .18s ease;
}
.header-search button:hover { background: var(--accent); }

.header-actions { display: flex; align-items: center; gap: .8rem; margin-left: auto; }
.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border: 1.5px solid var(--line-2);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: .55rem .85rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink);
  transition: border-color .18s ease;
}
.cart-btn:hover { border-color: var(--ink); }
.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--pop-ink);
  font-size: .72rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  padding: 0 5px;
  transition: transform .15s ease;
}
.cart-count.bump { transform: scale(1.35); }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0 10px;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Nav ============ */
.main-nav { border-top: 1px solid var(--line); background: var(--surface); }
.nav-inner { display: flex; gap: .25rem; overflow-x: auto; scrollbar-width: none; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link {
  padding: .68rem .85rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
  border-bottom: 2.5px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.nav-link.is-active { color: var(--accent); border-bottom-color: var(--accent); }
.nav-link-accent { color: var(--accent); }

/* ============ Hero ============ */
.hero {
  background:
    linear-gradient(90deg, rgba(26,29,33,.035) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(0deg, rgba(26,29,33,.035) 1px, transparent 1px) 0 0 / 56px 56px,
    var(--tint);
  border-bottom: 1px solid var(--line);
  padding: clamp(2.2rem, 5vw, 4rem) 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
  gap: clamp(1.8rem, 4vw, 3.5rem);
  align-items: center;
}
.lede {
  color: var(--ink-2);
  font-size: 1.05rem;
  max-width: 56ch;
  margin: 1rem 0 1.6rem;
}

/* Fitment finder */
.fitment {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem 1.2rem;
}
.fitment-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: .98rem;
  margin-bottom: .9rem;
}
.fitment-title .ico { color: var(--accent); width: 1.3em; height: 1.3em; }
.fitment-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: .65rem;
  align-items: end;
}
.fit-field { display: flex; flex-direction: column; gap: .3rem; }
.fit-field span {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.fit-field select {
  font: inherit;
  font-size: .92rem;
  padding: .58rem .55rem;
  border: 1.5px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  width: 100%;
  transition: border-color .15s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%236b7280' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .6rem center;
  padding-right: 1.7rem;
}
.fit-field select:focus { outline: none; border-color: var(--accent); }
.fit-submit { white-space: nowrap; }
.fitment-note { font-size: .8rem; color: var(--ink-3); margin-top: .75rem; }

/* Hero side panel — pick ticket */
.hero-panel { display: flex; flex-direction: column; gap: 1rem; }
.hero-ticket {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 1.15rem 1.25rem 1rem;
  font-size: .88rem;
}
.ticket-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1.5px dashed var(--line-2);
  padding-bottom: .6rem;
  margin-bottom: .7rem;
}
.ticket-label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ticket-no { font-weight: 800; color: var(--accent); }
.ticket-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .32rem 0;
  color: var(--ink-2);
}
.ticket-strong { font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.ticket-ok {
  font-weight: 700;
  color: var(--ok);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.ticket-ok::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ok);
}
.ticket-barcode { margin-top: .8rem; }
.ticket-barcode svg { width: 100%; height: 30px; display: block; }
.ticket-foot {
  font-size: .76rem;
  color: var(--ink-3);
  margin-top: .5rem;
  text-align: center;
  letter-spacing: .04em;
}
.hero-stat {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .9rem 1.25rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
}
.hero-stat-num { font-size: 1.7rem; font-weight: 800; color: var(--accent); letter-spacing: -.02em; }
.hero-stat-label { font-size: .82rem; color: #b9bfc7; }

/* ============ Trust bar ============ */
.trustbar { border-bottom: 1px solid var(--line); background: var(--surface); }
.trustbar-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
  padding: 1.15rem 0;
}
.trust-item { display: flex; align-items: flex-start; gap: .75rem; }
.trust-item .ico { width: 1.7em; height: 1.7em; color: var(--accent); margin-top: .1rem; }
.trust-item strong { display: block; font-size: .92rem; }
.trust-item span { font-size: .8rem; color: var(--ink-3); }

/* ============ Sections ============ */
.section { padding: clamp(2.6rem, 5.5vw, 4.2rem) 0; }
.section-tint { background: var(--tint); border-block: 1px solid var(--line); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
  margin-bottom: 1.8rem;
}
.section-aside {
  max-width: 34ch;
  font-size: .9rem;
  color: var(--ink-3);
  text-align: right;
  flex: none;
}

/* ============ Category grid ============ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .9rem;
}
.cat-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .25rem;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem 1rem;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.cat-card:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.cat-card.is-active { border-color: var(--accent); background: var(--accent-tint); }
.cat-ico { width: 34px; height: 34px; color: var(--ink); margin-bottom: .35rem; }
.cat-card:hover .cat-ico, .cat-card.is-active .cat-ico { color: var(--accent); }
.cat-name { font-weight: 700; font-size: .98rem; }
.cat-meta { font-size: .78rem; color: var(--ink-3); }

/* ============ Catalog ============ */
.catalog-meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  margin: -0.6rem 0 1.3rem;
  font-size: .85rem;
}
.filter-chip-label { color: var(--ink-3); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  padding: .28rem .75rem;
  font-size: .8rem;
  font-weight: 600;
}
.filter-clear {
  border: 0;
  background: none;
  color: var(--accent);
  font-weight: 700;
  font-size: .85rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.product-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.product-card:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.product-top { display: flex; justify-content: space-between; gap: .8rem; align-items: flex-start; }
.product-icon {
  width: 46px; height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-2);
}
.product-icon svg { width: 26px; height: 26px; }
.badge-stack { display: flex; flex-direction: column; align-items: flex-end; gap: .3rem; }
.badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: .18rem .5rem;
  white-space: nowrap;
}
.badge-oem { background: var(--ink); color: #fff; }
.badge-aftermarket { background: var(--accent-tint); color: var(--accent-dark); border: 1px solid #ffd2c2; }
.badge-stock { background: var(--ok-tint); color: var(--ok); }
.badge-low { background: var(--warn-tint); color: var(--warn); }
.badge-ship { background: transparent; color: var(--ink-3); border: 1px solid var(--line-2); }

.product-brand { font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.product-name { font-size: 1.02rem; font-weight: 700; line-height: 1.3; }
.product-pn {
  font-size: .8rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.product-pn strong { color: var(--ink-2); font-weight: 600; }

.product-fit {
  font-size: .82rem;
  color: var(--ink-2);
  background: var(--tint);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: .45rem .6rem;
}

.product-specs { border-top: 1px solid var(--line); }
.spec-mini {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: .8rem;
  padding: .3rem 0;
  border-bottom: 1px solid var(--line);
}
.spec-mini dt { color: var(--ink-3); }
.spec-mini dd { font-weight: 600; text-align: right; }

.product-rating { display: flex; align-items: center; gap: .45rem; font-size: .8rem; color: var(--ink-3); }
.stars { display: inline-flex; gap: 2px; color: var(--pop); }
.stars svg { width: 14px; height: 14px; }

.product-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .8rem;
  margin-top: auto;
  padding-top: .55rem;
}
.product-price { display: flex; flex-direction: column; }
.price-now { font-size: 1.3rem; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.price-was { font-size: .78rem; color: var(--ink-3); text-decoration: line-through; }

.product-actions { display: flex; gap: .45rem; opacity: 0; transform: translateY(3px); transition: opacity .18s ease, transform .18s ease; }
.product-card:hover .product-actions,
.product-card:focus-within .product-actions { opacity: 1; transform: none; }
.btn-add {
  border: 0;
  background: var(--accent);
  color: var(--pop-ink);
  font-weight: 700;
  font-size: .85rem;
  padding: .5rem .9rem;
  border-radius: var(--radius-sm);
  transition: background .15s ease;
}
.btn-add:hover { background: var(--accent-dark); }
.btn-add.added { background: var(--ok); }
.btn-compare {
  border: 1.5px solid var(--line-2);
  background: #fff;
  color: var(--ink-2);
  font-weight: 600;
  font-size: .85rem;
  padding: .5rem .7rem;
  border-radius: var(--radius-sm);
  transition: border-color .15s ease, color .15s ease;
}
.btn-compare:hover { border-color: var(--ink); color: var(--ink); }
.btn-compare.is-compared { border-color: var(--accent); color: var(--accent); background: var(--accent-tint); }

.catalog-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ink-2);
}
.empty-title { font-weight: 800; font-size: 1.15rem; color: var(--ink); margin-bottom: .4rem; }
.catalog-empty .btn { margin-top: 1.1rem; }

/* ============ VIN strip ============ */
.vin-strip {
  background: var(--ink);
  color: #fff;
  padding: clamp(2.2rem, 4.5vw, 3.2rem) 0;
}
.vin-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3.5rem);
  align-items: center;
}
.vin-copy h2 { color: #fff; }
.vin-copy p { color: #b9bfc7; margin-top: .7rem; max-width: 52ch; }
.vin-form { display: flex; flex-wrap: wrap; gap: .65rem; }
.vin-form input {
  flex: 1;
  min-width: 220px;
  font: inherit;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .75rem 1rem;
  border: 1.5px solid #3c4249;
  border-radius: var(--radius-sm);
  background: #24282d;
  color: #fff;
}
.vin-form input::placeholder { color: #7c838c; text-transform: none; letter-spacing: 0; }
.vin-form input:focus { outline: none; border-color: var(--accent); }
.vin-msg { width: 100%; font-size: .85rem; min-height: 1.3em; }
.vin-msg.ok { color: #5fd598; }
.vin-msg.err { color: #ff9b72; }

/* ============ Why us ============ */
.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.why-copy p { color: var(--ink-2); margin-top: .9rem; max-width: 62ch; }
.spec-table { margin-top: 1.5rem; border-top: 1.5px solid var(--ink); }
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .62rem .15rem;
  border-bottom: 1px solid var(--line);
  font-size: .93rem;
}
.spec-row dt { color: var(--ink-3); }
.spec-row dd { font-weight: 700; font-variant-numeric: tabular-nums; }

.brands-title {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: .9rem;
}
.brand-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.brand-wall span {
  display: grid;
  place-items: center;
  padding: 1.05rem .5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-weight: 800;
  font-size: .92rem;
  letter-spacing: .05em;
  color: var(--ink-2);
  background: var(--surface);
  transition: color .15s ease, background .15s ease;
}
.brand-wall span:hover { color: var(--accent); background: var(--accent-tint); }
.why-badge {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  margin-top: 1.1rem;
  padding: .9rem 1rem;
  background: var(--tint);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: .86rem;
  color: var(--ink-2);
}
.why-badge .ico { width: 1.6em; height: 1.6em; color: var(--accent); margin-top: .1rem; }

/* ============ Reviews ============ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.review-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.review-card:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
.review-card blockquote {
  font-size: .94rem;
  color: var(--ink-2);
  line-height: 1.6;
}
.review-card figcaption { margin-top: auto; }
.review-card figcaption strong { display: block; font-size: .9rem; }
.review-card figcaption span { font-size: .8rem; color: var(--ink-3); }

/* ============ FAQ ============ */
.faq-wrap {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(1.8rem, 4.5vw, 3.5rem);
  align-items: start;
}
.faq-intro p { color: var(--ink-2); margin-top: .8rem; }
.faq-intro a { font-weight: 700; color: var(--accent); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1.5px solid var(--ink); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-align: left;
  background: none;
  border: 0;
  padding: 1rem .15rem;
  font-size: .98rem;
  font-weight: 700;
  color: var(--ink);
  transition: color .15s ease;
}
.faq-q:hover { color: var(--accent); }
.faq-chev {
  flex: none;
  width: 10px; height: 10px;
  border-right: 2px solid var(--ink-3);
  border-bottom: 2px solid var(--ink-3);
  transform: rotate(45deg);
  transition: transform .2s ease, border-color .2s ease;
  margin-right: 4px;
}
.faq-q[aria-expanded="true"] .faq-chev { transform: rotate(225deg); border-color: var(--accent); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
}
.faq-a p {
  padding: 0 .15rem 1.1rem;
  font-size: .9rem;
  color: var(--ink-2);
  max-width: 68ch;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--ink);
  color: #b9bfc7;
  padding: clamp(2.4rem, 5vw, 3.6rem) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.2rem;
  padding-bottom: 2.2rem;
}
.footer-col h3 {
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: .9rem;
}
.footer-col a { display: block; font-size: .9rem; padding: .24rem 0; color: #b9bfc7; }
.footer-col a:hover { color: var(--accent); }
.footer-brand p { font-size: .88rem; margin-top: .9rem; max-width: 34ch; }
.brand-footer .brand-text { color: #fff; }
.footer-contact p { font-size: .9rem; margin-bottom: .8rem; }
.footer-contact a { display: inline; padding: 0; font-weight: 600; color: #fff; }
.footer-contact a:hover { color: var(--accent); }
.footer-hours { color: #8b919a; font-size: .85rem; }
.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid #2c3138;
  padding: 1.1rem 0;
  font-size: .78rem;
  color: #8b919a;
}

/* ============ Compare tray ============ */
.compare-tray {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .55rem .6rem .55rem 1.2rem;
  font-size: .88rem;
  animation: tray-in .25s ease;
}
@keyframes tray-in { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }
.compare-tray .tray-count { font-weight: 700; }
.compare-tray .btn { padding: .45rem 1rem; font-size: .85rem; }
.tray-clear { background: none; border: 0; color: #b9bfc7; font-size: .85rem; text-decoration: underline; text-underline-offset: 3px; }
.tray-clear:hover { color: #fff; }

/* ============ Compare modal ============ */
.compare-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(26, 29, 33, .55);
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fade-in .2s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.compare-box {
  background: #fff;
  border-radius: var(--radius);
  max-width: 720px;
  width: 100%;
  max-height: 84vh;
  overflow: auto;
  padding: 1.4rem 1.5rem;
}
.compare-box h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.compare-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.compare-table th, .compare-table td {
  text-align: left;
  padding: .55rem .7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare-table th { font-weight: 700; }
.compare-table td:first-child { color: var(--ink-3); font-weight: 600; white-space: nowrap; }
.compare-close { margin-top: 1.1rem; }

/* ============ Responsive ============ */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { max-width: 480px; }
  .fitment-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fit-submit { grid-column: 1 / -1; }
  .trustbar-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vin-inner, .why-grid, .faq-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-search { display: none; }
  .menu-toggle { display: flex; }
  .main-nav {
    display: none;
    border-top: 1px solid var(--line);
    background: var(--surface);
  }
  .main-nav.is-open { display: block; }
  .nav-inner { flex-direction: column; gap: 0; padding: .4rem 0 .8rem; overflow: visible; }
  .nav-link { border-bottom: 1px solid var(--line); padding: .8rem .2rem; }
  .nav-link:hover, .nav-link.is-active { border-bottom-color: var(--line); }
  .cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: start; gap: .5rem; }
  .section-aside { text-align: left; }
}

@media (max-width: 560px) {
  .hide-sm { display: none; }
  .wrap { width: calc(100% - 32px); }
  .topbar-inner { justify-content: center; }
  .topbar-right { display: none; }
  .brand-text { font-size: 1.05rem; }
  .product-grid { grid-template-columns: 1fr; }
  .trustbar-inner { grid-template-columns: 1fr; gap: 1rem; }
  .fitment-row { grid-template-columns: 1fr; }
  .product-actions { opacity: 1; transform: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .compare-tray { width: calc(100% - 32px); border-radius: var(--radius); justify-content: space-between; }
}

/* ============================================================
   LAYOUT WIREFRAME OVERRIDES — structural recolours only.
   Dark sections (topbar, VIN strip, footer, compare tray) become
   light surfaces, the hero grid-pattern gradient is removed,
   and remaining hard-coded colours are mapped to the neutral
   palette. Layout, spacing and typography are unchanged.
   ============================================================ */

body { background: #ededed; }

/* Logo placeholder box (replaces the brand-mark SVG) */
.logo-box {
  width: 36px;
  height: 36px;
  flex: none;
  display: grid;
  place-items: center;
  background: #dcdcdc;
  border: 1px dashed #a8a8a8;
  border-radius: 2px;
  font: 500 9px/1 ui-monospace, monospace;
  letter-spacing: .08em;
  color: #777777;
}

/* Topbar: dark bar -> light strip */
.topbar { background: var(--tint); color: var(--ink-3); }
.topbar-item a { color: var(--ink); }
.topbar-link { color: var(--ink); }

/* Header controls */
.header-search:focus-within { background: #ededed; }
.header-search button { background: var(--accent); color: var(--pop-ink); }
.cart-btn { background: #ededed; }
.menu-toggle { background: #ededed; }

/* Hero: remove blueprint grid gradient */
.hero { background: var(--tint); }

/* Form fields */
.fit-field select { background-color: #ededed; }

/* Hero stat card: dark -> surface */
.hero-stat { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.hero-stat-label { color: var(--ink-3); }

/* Filter chips */
.chip { background: var(--pop); color: var(--pop-ink); border: 1px solid var(--pop); }

/* Product badges */
.badge-oem { background: var(--accent); color: var(--pop-ink); }
.badge-aftermarket { color: var(--ink-2); border-color: var(--line-2); }

/* Compare button */
.btn-compare { background: #ededed; }

/* VIN strip: dark -> light */
.vin-strip { background: var(--surface); color: var(--ink); }
.vin-copy h2 { color: var(--ink); }
.vin-copy p { color: var(--ink-3); }
.vin-form input { border-color: var(--line-2); background: #ededed; color: var(--ink); }
.vin-form input::placeholder { color: var(--ink-3); }
.vin-form .btn-dark { background: var(--pop); color: var(--pop-ink); }
.vin-form .btn-dark:hover { background: var(--accent-dark); color: var(--pop-ink); }
.vin-msg.ok { color: var(--ok); }
.vin-msg.err { color: var(--ink); }

/* Heavy ink rules -> hairlines */
.spec-table { border-top-color: var(--line-2); }
.faq-item:first-child { border-top-color: var(--line-2); }

/* Footer: dark -> light */
.site-footer { background: var(--tint); color: var(--ink-3); }
.footer-col h3 { color: var(--ink); }
.footer-col a { color: var(--ink-2); }
.brand-footer .brand-text { color: var(--ink); }
.footer-contact a { color: var(--ink); }
.footer-hours { color: var(--ink-3); }
.footer-legal { border-top-color: var(--line); color: var(--ink-3); }

/* Compare tray + modal */
.compare-tray { background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); }
.tray-clear { color: var(--ink-3); }
.tray-clear:hover { color: var(--ink); }
.compare-modal { background: rgba(51, 51, 51, .45); }
.compare-box { background: var(--surface); }

/* ============================================================
   COLOUR OPTION — accent re-theme hook.
   --pop feeds every accent surface through --accent (CTAs,
   filter chips, active tabs/cards, badges, stars, focus rings,
   key highlights); --pop-ink is the text colour on top of it.
   The fixed COLOUR widget (bottom-right) sets these at runtime
   via inline style; default is the neutral wireframe grey.
   ============================================================ */
:root { --pop: #9a9a9a; --pop-ink: #ffffff; }