/* ==========================================================
   CoverCraft — design tokens
   Display: Archivo Black (industrial, spec-sheet confidence)
   Body:    Inter
   Utility: IBM Plex Mono (prices, SKUs, specs)
   ========================================================== */
:root {
  --ink: #101114;
  --ink-soft: #1c1e24;
  --paper: #ffffff;
  --paper-dim: #f4f4f2;
  --line: #e4e3df;
  --titanium: #8b8d93;
  --titanium-dark: #55575c;
  --accent: #e31e24;      /* GlazeGear red — CTAs, price highlights */
  --accent-dark: #b4141a;
  --cobalt: #55575c;      /* chrome/steel secondary accent */
  --success: #1f8b4c;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 26px;
  --shadow-card: 0 1px 2px rgba(16,17,20,0.04), 0 8px 24px rgba(16,17,20,0.06);
  --shadow-pop: 0 20px 60px rgba(16,17,20,0.18);
  --maxw: 1240px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 2px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: 'IBM Plex Mono', ui-monospace, monospace; }

h1, h2, h3, .display {
  font-family: 'Archivo Black', 'Inter', sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0;
}
p { margin: 0 0 12px; color: var(--ink-soft); }

/* ---------- top banner ---------- */
.top-banner {
  background: var(--ink);
  color: #fff;
  text-align: center;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  font-family: 'IBM Plex Mono', monospace;
}
.top-banner strong { color: var(--accent); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; gap: 24px;
}
.logo {
  display: flex; align-items: center; gap: 8px;
}
.logo-img { height: 30px; width: auto; display: block; border-radius: 4px; }
.logo .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.main-nav { display: flex; gap: 28px; align-items: center; }
.main-nav a {
  font-size: 14.5px; font-weight: 600; color: var(--ink-soft);
  padding: 6px 0; border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); border-color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.icon-btn {
  position: relative; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; display: flex; align-items: center; justify-content: center;
  transition: border-color .15s ease, transform .15s ease;
}
.icon-btn:hover { border-color: var(--ink); transform: translateY(-1px); }
.cart-count {
  position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px; padding: 0 4px;
  background: var(--accent); color: #fff; border-radius: 999px; font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace;
}
.mobile-menu-btn { display: none; background: none; border: none; }

@media (max-width: 900px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: block; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 14.5px;
  border: 2px solid var(--ink); background: var(--ink); color: #fff;
  transition: transform .12s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-accent { background: var(--accent); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline { background: transparent; color: var(--ink); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---------- hero ---------- */
.hero {
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.hero .wrap {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center;
  padding-top: 64px; padding-bottom: 64px;
}
.hero-eyebrow {
  font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); display: flex; align-items: center; gap: 10px; margin-bottom: 18px;
}
.hero-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--accent); }
.hero h1 { font-size: clamp(40px, 5.2vw, 68px); color: #fff; }
.hero h1 em { font-style: italic; color: var(--accent); display: inline-block; transform: skewX(-6deg); }
.hero p.lead { color: #c7c8cd; font-size: 17px; max-width: 480px; margin-top: 18px; }
.hero-ctas { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; }
.hero-stats div strong { display: block; font-family: 'Archivo Black', sans-serif; font-size: 24px; }
.hero-stats div span { font-size: 12.5px; color: #9a9ba1; }

/* exploded diagram */
.exploded { position: relative; }
.exploded svg { width: 100%; height: auto; }

/* ---------- brand strip ---------- */
.brand-strip { padding: 20px 0; border-bottom: 1px solid var(--line); }
.brand-strip .wrap { display: flex; align-items: center; gap: 14px; overflow-x: auto; }
.pill {
  flex: none; padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 600; white-space: nowrap; transition: all .15s ease;
  background: #fff;
}
.pill:hover, .pill.active { border-color: var(--ink); background: var(--ink); color: #fff; }

/* ---------- sections ---------- */
.section { padding: 72px 0; }
.section-dark { background: var(--ink); color: #fff; }
.section-dim { background: var(--paper-dim); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); }
.eyebrow {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--titanium-dark); margin-bottom: 10px; display: block;
}
.section-dark .eyebrow { color: var(--accent); }

/* ---------- product grid & cards ---------- */
.grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
@media (max-width: 1080px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .grid { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
@media (max-width: 480px) { .grid { grid-template-columns: 1fr 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.card-media {
  aspect-ratio: 4/5; background: var(--paper-dim); position: relative; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.card:hover .card-media img { transform: scale(1.04); }
.card-media svg.phone-mock { padding: 18px; box-sizing: border-box; }
.card-media .badge {
  position: absolute; top: 10px; left: 10px; background: var(--ink); color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em;
}
.card-media .badge.new { background: var(--cobalt); }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-cat { font-size: 11.5px; color: var(--titanium-dark); font-family: 'IBM Plex Mono', monospace; text-transform: uppercase; letter-spacing: .04em; }
.card-title { font-size: 14.5px; font-weight: 700; line-height: 1.3; min-height: 2.6em; }
.card-rating { font-size: 12.5px; color: var(--titanium-dark); display: flex; align-items: center; gap: 5px; }
.card-swatches { display: flex; gap: 5px; margin-top: 2px; }
.swatch {
  width: 16px; height: 16px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.15); flex: none;
}
.card-price-row { display: flex; align-items: baseline; gap: 8px; margin-top: auto; padding-top: 6px; }
.price { font-family: 'IBM Plex Mono', monospace; font-weight: 700; font-size: 16px; }
.price-mrp { font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--titanium); text-decoration: line-through; }
.card-cta { margin-top: 10px; }

/* phone mockup (signature product image) */
.phone-mock { width: 78%; max-width: 150px; filter: drop-shadow(0 10px 18px rgba(0,0,0,0.18)); }

/* ---------- filters / shop layout ---------- */
.shop-layout { display: grid; grid-template-columns: 240px 1fr; gap: 36px; align-items: start; }
@media (max-width: 900px) { .shop-layout { grid-template-columns: 1fr; } }
.filter-group { margin-bottom: 28px; }
.filter-group h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--titanium-dark); margin-bottom: 12px; font-family: 'IBM Plex Mono', monospace; }
.filter-chip {
  display: flex; align-items: center; gap: 8px; padding: 8px 4px; font-size: 14px; cursor: pointer; border-radius: 6px;
}
.filter-chip:hover { background: var(--paper-dim); }
.filter-chip input { accent-color: var(--ink); }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; gap: 12px; flex-wrap: wrap; }
.result-count { font-size: 14px; color: var(--titanium-dark); }
select.sort-select {
  padding: 10px 14px; border-radius: 999px; border: 1px solid var(--line); font-size: 13.5px; font-weight: 600; background: #fff;
}
.empty-state { text-align: center; padding: 80px 20px; color: var(--titanium-dark); }

/* ---------- material story ---------- */
.material-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
@media (max-width: 900px) { .material-grid { grid-template-columns: repeat(2, 1fr); } }
.material-card {
  border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px 18px; text-align: center;
  transition: border-color .15s ease;
}
.material-card:hover { border-color: var(--ink); }
.material-card .m-icon { width: 44px; height: 44px; margin: 0 auto 14px; }
.material-card h4 { font-size: 14px; margin-bottom: 4px; }
.material-card p { font-size: 12.5px; margin: 0; }

/* ---------- trust strip ---------- */
.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 760px) { .trust-strip { grid-template-columns: 1fr 1fr; } }
.trust-item { display: flex; gap: 14px; align-items: flex-start; }
.trust-item .t-icon { flex: none; width: 34px; height: 34px; color: var(--accent); }
.trust-item h5 { font-size: 14px; margin: 0 0 4px; }
.trust-item p { font-size: 13px; margin: 0; color: #9a9ba1; }
.section-dark .trust-item p { color: #9a9ba1; }

/* ---------- product detail ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
@media (max-width: 860px) { .product-detail { grid-template-columns: 1fr; gap: 30px; } }
.pd-gallery {
  background: var(--paper-dim); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1/1; position: relative; overflow: hidden;
}
.pd-gallery img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery .phone-mock { width: 56%; max-width: 260px; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd-thumb {
  width: 70px; height: 70px; border-radius: var(--radius-sm); overflow: hidden; border: 2px solid transparent;
  background: var(--paper-dim); flex: none; cursor: pointer; padding: 0;
}
.pd-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pd-thumb.active { border-color: var(--ink); }
.breadcrumb { font-size: 13px; color: var(--titanium-dark); margin-bottom: 20px; display: flex; gap: 6px; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--ink); }
.pd-title { font-size: clamp(24px, 3vw, 34px); margin-bottom: 10px; }
.pd-rating { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--titanium-dark); margin-bottom: 18px; }
.pd-price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 6px; }
.pd-price { font-family: 'IBM Plex Mono', monospace; font-weight: 700; font-size: 30px; }
.pd-mrp { font-family: 'IBM Plex Mono', monospace; font-size: 17px; color: var(--titanium); text-decoration: line-through; }
.pd-save { font-size: 13px; color: var(--success); font-weight: 700; margin-bottom: 22px; }
.pd-section { margin: 26px 0; padding-top: 26px; border-top: 1px solid var(--line); }
.pd-section h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--titanium-dark); margin-bottom: 14px; font-family: 'IBM Plex Mono', monospace; }
.variant-row { display: flex; gap: 12px; flex-wrap: wrap; }
.variant-swatch {
  width: 42px; height: 42px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; position: relative;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.12) inset;
}
.variant-swatch.selected { border-color: var(--ink); }
.variant-swatch.selected::after {
  content: '✓'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px;
  text-shadow: 0 1px 2px rgba(0,0,0,.4);
}
.variant-name { margin-top: 10px; font-size: 13.5px; font-weight: 600; }
.qty-row { display: flex; align-items: center; gap: 16px; }
.qty-stepper { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.qty-stepper button { width: 38px; height: 38px; border: none; background: none; font-size: 18px; }
.qty-stepper span { width: 34px; text-align: center; font-family: 'IBM Plex Mono', monospace; font-weight: 700; }
.pd-actions { display: flex; gap: 12px; margin-top: 24px; }
.specs-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.specs-table tr { border-bottom: 1px solid var(--line); }
.specs-table td { padding: 10px 0; }
.specs-table td:first-child { color: var(--titanium-dark); width: 40%; }

/* ---------- payment methods block (product detail) ---------- */
.payment-methods {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.pay-badge {
  display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 16px; font-size: 13px; font-weight: 600; color: var(--ink-soft);
}
.pay-badge .pb-icon { width: 18px; height: 18px; flex: none; color: var(--titanium-dark); }

/* ---------- cart ---------- */
.cart-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 860px) { .cart-layout { grid-template-columns: 1fr; } }
.cart-row { display: grid; grid-template-columns: 90px 1fr auto; gap: 16px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-row .phone-mock { width: 100%; }
.cart-thumb { width: 90px; height: 90px; border-radius: var(--radius-sm); overflow: hidden; background: var(--paper-dim); display: flex; align-items: center; justify-content: center; }
.cart-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-row .ci-title { font-weight: 700; font-size: 14.5px; margin-bottom: 4px; }
.cart-row .ci-meta { font-size: 13px; color: var(--titanium-dark); }
.cart-row .ci-remove { font-size: 12.5px; color: var(--accent-dark); margin-top: 6px; display: inline-block; }
.summary-card { background: var(--paper-dim); border-radius: var(--radius-md); padding: 24px; position: sticky; top: 100px; }
.summary-row { display: flex; justify-content: space-between; font-size: 14.5px; padding: 8px 0; }
.summary-row.total { font-weight: 700; font-size: 17px; border-top: 1px solid var(--line); margin-top: 10px; padding-top: 16px; }
.summary-row .mono { font-family: 'IBM Plex Mono', monospace; }

/* ---------- checkout ---------- */
.checkout-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .checkout-layout { grid-template-columns: 1fr; } }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.field input, .field select {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--line); font-size: 14.5px;
}
.field input:focus, .field select:focus { border-color: var(--ink); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pay-option { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px; margin-bottom: 10px; cursor: pointer; }
.pay-option input { accent-color: var(--ink); }
.pay-option.selected { border-color: var(--ink); background: var(--paper-dim); }

/* ---------- confirmation ---------- */
.confirm-box { text-align: center; padding: 60px 20px; max-width: 560px; margin: 0 auto; }
.confirm-check { width: 72px; height: 72px; border-radius: 50%; background: var(--success); color: #fff; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; }
.order-number { font-family: 'IBM Plex Mono', monospace; font-size: 22px; font-weight: 700; background: var(--paper-dim); padding: 10px 18px; border-radius: 999px; display: inline-block; margin: 14px 0; }

/* ---------- testimonials ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .testi-grid { grid-template-columns: 1fr; } }
.testi-card { border: 1px solid var(--line); border-radius: var(--radius-md); padding: 24px; }
.testi-card .stars { color: var(--accent); font-size: 14px; margin-bottom: 12px; }
.testi-card p { font-size: 14.5px; }
.testi-name { font-size: 13px; font-weight: 700; color: var(--titanium-dark); margin-top: 14px; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #c7c8cd; padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h5 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; font-family: 'IBM Plex Mono', monospace; }
.footer-grid a { display: block; font-size: 14px; margin-bottom: 10px; color: #c7c8cd; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #2a2b31; padding-top: 24px; display: flex; justify-content: space-between; font-size: 12.5px; color: #7c7d83; flex-wrap: wrap; gap: 10px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 20px); background: var(--ink); color: #fff;
  padding: 14px 22px; border-radius: 999px; font-size: 14px; font-weight: 600; z-index: 200;
  opacity: 0; pointer-events: none; transition: all .25s ease; display: flex; align-items: center; gap: 10px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* ---------- misc ---------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.skeleton { background: linear-gradient(90deg, #eee 25%, #f4f4f4 37%, #eee 63%); background-size: 400% 100%; animation: shine 1.4s infinite; border-radius: var(--radius-md); }
@keyframes shine { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }