/* ── Global Tire Depot — Design System ─────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@400;500;600;700&display=swap');

/* ── Tokens ──────────────────────────────────────────────────────────────────── */
:root {
  --bg:       #0a0a0f;
  --surface:  #13131a;
  --card:     #16161f;
  --border:   #1e1e2e;
  --gold:     #e8b84b;
  --gold-dim: #c49a36;
  --white:    #ffffff;
  --muted:    #8888a0;
  --danger:   #e05050;
  --nav-h:    68px;
  --radius:   6px;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Inter', sans-serif;
}

/* ── Reset ───────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--white); font-family: var(--font-body); line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }
ul { list-style: none; }

/* ── Nav ─────────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10,10,15,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  transition: box-shadow .2s;
  /* needed so absolute mobile-nav anchors to it */
  overflow: visible;
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.6); }
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  width: 100%; display: flex; align-items: center; gap: 32px;
}
.nav-logo {
  font-family: var(--font-display); font-size: 22px; letter-spacing: .04em;
  color: var(--white); white-space: nowrap;
}
.nav-logo span { color: var(--gold); }
.nav-links {
  display: flex; gap: 24px; align-items: center; flex: 1;
}
.nav-links a {
  font-size: 13px; font-weight: 500; color: var(--muted);
  transition: color .15s; white-space: nowrap;
}
.nav-links a:hover { color: var(--white); }
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav-wa {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--radius);
  background: #25d366; color: #fff; font-size: 13px; font-weight: 600;
  transition: opacity .15s;
}
.nav-wa:hover { opacity: .85; }
.cart-btn {
  position: relative; display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius);
  border: 1px solid var(--border); color: var(--white);
  font-size: 13px; font-weight: 500; transition: border-color .15s;
}
.cart-btn:hover { border-color: var(--gold); }
.cart-count {
  display: none; align-items: center; justify-content: center;
  position: absolute; top: -6px; right: -6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--gold); color: #000;
  font-size: 10px; font-weight: 700;
}
.burger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer;
}
.burger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; }
.mobile-nav {
  display: none; flex-direction: column;
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 16px 24px; gap: 12px;
  z-index: 99;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 15px; color: var(--muted); padding: 6px 0; border-bottom: 1px solid var(--border); }
.mobile-nav a:last-child { border-bottom: none; }

/* ── Hero ────────────────────────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center; overflow: hidden;
  background: var(--bg);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 60% 50%, rgba(232,184,75,.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(30,30,46,.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,30,46,.4) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-inner {
  max-width: 1280px; margin: 0 auto; padding: 80px 24px;
  position: relative; z-index: 1;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 24px;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 32px; height: 1px; background: var(--gold);
}
.hero h1 {
  font-family: var(--font-display); font-size: clamp(52px, 8vw, 110px);
  line-height: .95; letter-spacing: .02em; color: var(--white);
  margin-bottom: 8px; max-width: 800px;
}
.hero h1 .gold { color: var(--gold); }
.hero-sub {
  font-size: 16px; color: var(--muted); margin: 24px 0 40px;
  max-width: 480px; line-height: 1.7;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  padding: 14px 32px; border-radius: var(--radius);
  background: var(--gold); color: #000;
  font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase;
  transition: background .15s, transform .1s;
}
.btn-primary:hover { background: var(--gold-dim); transform: translateY(-1px); }
.btn-outline {
  padding: 14px 32px; border-radius: var(--radius);
  border: 1px solid var(--border); color: var(--white);
  font-weight: 600; font-size: 14px; letter-spacing: .04em; text-transform: uppercase;
  transition: border-color .15s;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* ── Trust bar ───────────────────────────────────────────────────────────────── */
.trust-bar {
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}
.trust-bar-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 32px;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--muted);
}
.trust-item svg { color: var(--gold); flex-shrink: 0; }

/* ── Section commons ─────────────────────────────────────────────────────────── */
.section { padding: 80px 24px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { margin-bottom: 48px; }
.section-eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(32px, 4vw, 52px);
  letter-spacing: .02em; line-height: 1.05;
}
.section-sub { font-size: 15px; color: var(--muted); margin-top: 12px; max-width: 540px; }

/* ── Category cards ──────────────────────────────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.cat-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color .2s, transform .2s;
  cursor: pointer;
}
.cat-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.cat-icon { color: var(--gold); display: flex; }
.cat-icon svg { width: 28px; height: 28px; }
.cat-name { font-family: var(--font-display); font-size: 20px; letter-spacing: .03em; }
.cat-count { font-size: 12px; color: var(--muted); }
.cat-arrow { color: var(--gold); margin-top: auto; display: flex; }

/* ── Brand cards ─────────────────────────────────────────────────────────────── */
.brand-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.brand-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; display: flex; flex-direction: column; gap: 16px;
  transition: border-color .2s;
}
.brand-card:hover { border-color: var(--gold); }
.brand-name { font-family: var(--font-display); font-size: 32px; letter-spacing: .04em; }
.brand-name.hercules { color: var(--gold); }
.brand-name.dynatrac { color: #7eb8f7; }
.brand-name.ironman   { color: #e07070; }
.brand-desc { font-size: 14px; color: var(--muted); line-height: 1.6; }
.brand-count { font-size: 12px; color: var(--muted); }
.brand-link { font-size: 13px; font-weight: 600; color: var(--gold); margin-top: auto; }

/* ── Product cards ───────────────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .2s, transform .2s;
  position: relative;
}
.product-card:hover { border-color: var(--gold); transform: translateY(-3px); }
/* Stretched link — the product-name anchor covers the whole card */
.product-card .product-card-body > a::after {
  content: ''; position: absolute; inset: 0; z-index: 0;
}
/* Buttons and badge sit above the stretched link */
.product-card-actions { position: relative; z-index: 1; }
.product-brand-badge { position: relative; z-index: 1; }
.product-tags { position: relative; z-index: 1; }
.product-card-img { position: relative; z-index: 1; }
.product-card-img {
  aspect-ratio: 4/3; overflow: hidden; background: #0d0d15;
  display: flex; align-items: center; justify-content: center;
}
.product-card-img img {
  width: 100%; height: 100%; object-fit: contain; padding: 12px;
  transition: transform .3s;
}
.product-card:hover .product-card-img img { transform: scale(1.04); }
.product-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.product-brand-badge {
  display: inline-flex; padding: 2px 8px; border-radius: 3px;
  font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  background: rgba(232,184,75,.12); color: var(--gold); border: 1px solid rgba(232,184,75,.2);
  align-self: flex-start;
}
.product-brand-badge.dynatrac { background: rgba(126,184,247,.1); color: #7eb8f7; border-color: rgba(126,184,247,.2); }
.product-brand-badge.ironman  { background: rgba(224,112,112,.1); color: #e07070; border-color: rgba(224,112,112,.2); }
.product-name {
  font-family: var(--font-display); font-size: 19px; letter-spacing: .02em;
  line-height: 1.2;
}
.product-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
  padding: 3px 8px; border-radius: 3px;
  background: var(--border); color: var(--muted);
  font-size: 11px; font-weight: 500;
}
.product-card-actions { margin-top: auto; padding: 0 16px 16px; display: flex; flex-direction: column; gap: 8px; }
.btn-cart {
  width: 100%; padding: 10px; border-radius: var(--radius);
  background: var(--gold); color: #000;
  font-weight: 700; font-size: 13px; letter-spacing: .04em; text-transform: uppercase;
  transition: background .15s;
}
.btn-cart:hover, .btn-cart.added { background: var(--gold-dim); }
.btn-wa-sm {
  width: 100%; padding: 10px; border-radius: var(--radius);
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  font-size: 12px; font-weight: 500;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  transition: border-color .15s, color .15s;
}
.btn-wa-sm:hover { border-color: #25d366; color: #25d366; }

/* ── Value props ─────────────────────────────────────────────────────────────── */
.value-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.value-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px;
}
.value-icon { color: var(--gold); display: flex; margin-bottom: 16px; }
.value-icon svg { width: 28px; height: 28px; }
.value-title { font-family: var(--font-display); font-size: 20px; letter-spacing: .03em; margin-bottom: 8px; }
.value-desc { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ── How it works ────────────────────────────────────────────────────────────── */
.steps { display: flex; gap: 0; flex-wrap: wrap; position: relative; }
.step { flex: 1; min-width: 200px; padding: 32px 28px; position: relative; }
.step:not(:last-child)::after {
  content: '→'; position: absolute; right: -12px; top: 50%;
  transform: translateY(-50%); font-size: 20px; color: var(--gold);
  z-index: 1;
}
.step-num {
  font-family: var(--font-display); font-size: 48px; color: rgba(232,184,75,.15);
  line-height: 1; margin-bottom: 16px;
}
.step-title { font-family: var(--font-display); font-size: 22px; margin-bottom: 8px; }
.step-desc { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ── Testimonials ────────────────────────────────────────────────────────────── */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.testi-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px;
}
.testi-stars { color: var(--gold); font-size: 14px; margin-bottom: 12px; display: flex; gap: 2px; }
.testi-quote { font-size: 15px; color: var(--white); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testi-author { font-size: 13px; color: var(--muted); }
.testi-author strong { color: var(--white); }

/* ── FAQ ─────────────────────────────────────────────────────────────────────── */
.faq-list { max-width: 720px; display: flex; flex-direction: column; gap: 8px; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 15px; font-weight: 600; color: var(--white);
  transition: color .15s;
}
.faq-q:hover { color: var(--gold); }
.faq-q::after { content: '+'; font-size: 20px; color: var(--gold); flex-shrink: 0; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { display: none; padding: 0 24px 20px; font-size: 14px; color: var(--muted); line-height: 1.7; }
.faq-item.open .faq-a { display: block; }

/* ── Footer ──────────────────────────────────────────────────────────────────── */
footer {
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 60px 24px 32px;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
}
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px;
}
.footer-brand p { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 16px 0 20px; }
.footer-logo { font-family: var(--font-display); font-size: 24px; }
.footer-logo span { color: var(--gold); }
.footer-wa {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius);
  background: #25d366; color: #fff; font-size: 13px; font-weight: 600;
}
.footer-col h4 { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: var(--muted); margin-bottom: 10px; transition: color .15s; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }

/* ── Collection page ─────────────────────────────────────────────────────────── */
.collection-hero {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 48px 24px;
}
.collection-hero-inner { max-width: 1280px; margin: 0 auto; }
.breadcrumb { font-size: 12px; color: var(--muted); margin-bottom: 16px; display: flex; gap: 8px; align-items: center; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--muted); }
.collection-hero h1 { font-family: var(--font-display); font-size: clamp(36px, 5vw, 60px); letter-spacing: .02em; }
.collection-hero p { font-size: 15px; color: var(--muted); margin-top: 12px; }

.collection-layout {
  max-width: 1280px; margin: 0 auto; padding: 40px 24px;
  display: grid; grid-template-columns: 240px 1fr; gap: 32px; align-items: start;
}
.filter-sidebar {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: sticky; top: calc(var(--nav-h) + 16px);
}
.filter-sidebar h3 { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.filter-group { margin-bottom: 24px; }
.filter-group label {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); margin-bottom: 8px; cursor: pointer;
  transition: color .15s;
}
.filter-group label:hover { color: var(--white); }
.filter-group input[type=checkbox] { accent-color: var(--gold); }
.filter-results-count { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
#product-grid-container .product-card[data-hidden] { display: none; }

/* ── Product page ────────────────────────────────────────────────────────────── */
.product-page {
  max-width: 1280px; margin: 0 auto; padding: 40px 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start;
}
.product-gallery { position: sticky; top: calc(var(--nav-h) + 16px); }
.gallery-main {
  aspect-ratio: 1; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; align-items: center; justify-content: center; cursor: zoom-in; margin-bottom: 12px;
}
.gallery-main img { max-width: 90%; max-height: 90%; object-fit: contain; }
.gallery-thumbs { display: flex; gap: 8px; }
.gallery-thumb {
  width: 70px; height: 70px; border-radius: 4px; border: 1px solid var(--border);
  overflow: hidden; cursor: pointer; background: var(--card);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s;
}
.gallery-thumb.active { border-color: var(--gold); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }

.product-info { display: flex; flex-direction: column; gap: 24px; }
.product-info h1 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 48px); letter-spacing: .02em; line-height: 1.05; }
.product-intro { font-size: 15px; color: var(--muted); line-height: 1.7; }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feature-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px;
}
.feature-icon { color: var(--gold); display: flex; margin-bottom: 8px; }
.feature-icon svg { width: 20px; height: 20px; }
.feature-title { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.feature-text { font-size: 13px; color: var(--muted); line-height: 1.5; }
.warranty-blocks { display: flex; flex-direction: column; gap: 8px; }
.warranty-block {
  background: var(--card); border-left: 3px solid var(--gold);
  padding: 14px 16px; border-radius: 0 var(--radius) var(--radius) 0;
}
.warranty-block strong { font-size: 13px; color: var(--white); display: block; margin-bottom: 4px; }
.warranty-block p { font-size: 12px; color: var(--muted); line-height: 1.5; }
.product-actions { display: flex; flex-direction: column; gap: 10px; }
.btn-cart-lg {
  width: 100%; padding: 16px; border-radius: var(--radius);
  background: var(--gold); color: #000;
  font-weight: 700; font-size: 15px; letter-spacing: .06em; text-transform: uppercase;
  transition: background .15s;
}
.btn-cart-lg:hover { background: var(--gold-dim); }
.btn-wa-lg {
  width: 100%; padding: 14px; border-radius: var(--radius);
  background: #25d366; color: #fff;
  font-weight: 600; font-size: 14px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity .15s;
}
.btn-wa-lg:hover { opacity: .85; }

/* ── Lightbox ────────────────────────────────────────────────────────────────── */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.9); align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 20px; right: 28px;
  font-size: 32px; color: var(--white); cursor: pointer; line-height: 1;
}

/* ── Cart page ───────────────────────────────────────────────────────────────── */
.cart-page { max-width: 900px; margin: 0 auto; padding: 40px 24px; }
.cart-page h1 { font-family: var(--font-display); font-size: 40px; margin-bottom: 32px; }
.cart-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.cart-row {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 20px; display: flex; align-items: center; gap: 16px;
}
.cart-row-img { width: 72px; height: 72px; object-fit: contain; background: var(--bg); border-radius: 4px; padding: 4px; }
.cart-row-info { flex: 1; }
.cart-row-name { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.cart-row-brand { font-size: 12px; color: var(--muted); }
.qty-ctrl { display: flex; align-items: center; gap: 8px; }
.qty-btn {
  width: 28px; height: 28px; border-radius: 4px;
  border: 1px solid var(--border); color: var(--white); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s;
}
.qty-btn:hover { border-color: var(--gold); }
.qty-val { font-size: 14px; font-weight: 600; min-width: 20px; text-align: center; }
.cart-remove { color: var(--muted); font-size: 20px; line-height: 1; transition: color .15s; }
.cart-remove:hover { color: var(--danger); }
.cart-summary {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px;
}
.cart-summary-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.cart-summary-total { display: flex; justify-content: space-between; font-size: 18px; font-weight: 700; color: var(--white); padding-top: 12px; border-top: 1px solid var(--border); margin-top: 12px; }
.cart-empty { text-align: center; padding: 80px 0; }
.cart-empty h2 { font-family: var(--font-display); font-size: 32px; margin-bottom: 12px; }
.cart-empty p { color: var(--muted); margin-bottom: 24px; }

/* ── Checkout page ───────────────────────────────────────────────────────────── */
.checkout-page {
  max-width: 1100px; margin: 0 auto; padding: 40px 24px;
  display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start;
}
.checkout-page h1 { font-family: var(--font-display); font-size: 36px; margin-bottom: 28px; }
.form-section { margin-bottom: 28px; }
.form-section h3 { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.form-group label { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; color: var(--white); font-size: 14px; font-family: var(--font-body);
  transition: border-color .15s; outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-group select option { background: var(--surface); }
.form-group textarea { resize: vertical; min-height: 80px; }
.radio-group { display: flex; flex-direction: column; gap: 10px; }
.radio-opt {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid var(--border); cursor: pointer; transition: border-color .15s;
}
.radio-opt:has(input:checked) { border-color: var(--gold); }
.radio-opt input { accent-color: var(--gold); }
.radio-opt span { font-size: 14px; font-weight: 500; }
.checkout-summary {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: sticky; top: calc(var(--nav-h) + 16px);
}
.checkout-summary h3 { font-family: var(--font-display); font-size: 22px; margin-bottom: 20px; }
.success-banner {
  background: rgba(37,211,102,.1); border: 1px solid #25d366;
  border-radius: var(--radius); padding: 24px; text-align: center; display: none;
}
.success-banner h2 { font-family: var(--font-display); font-size: 28px; color: #25d366; margin-bottom: 8px; }
.success-banner p { font-size: 14px; color: var(--muted); }

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-wa { display: none; }
  .burger { display: flex; }
  .nav { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .collection-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; }
  .product-page { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .checkout-page { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { display: none; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 44px; }
  .footer-top { grid-template-columns: 1fr; }
  .trust-bar-inner { gap: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}