:root {
  --ink: #111827;
  --ink-soft: #4b5563;
  --line: #e5e7eb;
  --bg: #ffffff;
  --bg-soft: #f8f7f5;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
  --sale: #dc2626;
  --radius: 14px;
  --maxw: 1200px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ---------- Topbar / Header ---------- */
.topbar {
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  text-align: center;
  padding: 8px 12px;
  letter-spacing: 0.02em;
}
header.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  gap: 24px;
}
.logo {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.nav-menu {
  display: flex;
  gap: 28px;
  font-weight: 500;
  font-size: 15px;
}
.nav-menu a { color: var(--ink-soft); transition: color .15s; }
.nav-menu a:hover, .nav-menu a.active { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.cart-link { position: relative; display: flex; align-items: center; gap: 6px; font-weight: 600; }
.cart-count {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  min-width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}
.nav-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--line);
    gap: 16px;
  }
  .nav-menu.open { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, background .15s, border-color .15s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%);
  padding: 72px 24px 56px;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.hero p { color: var(--ink-soft); font-size: 18px; max-width: 46ch; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual {
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-soft);
  aspect-ratio: 1/1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
}

/* ---------- Trust strip ---------- */
.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.trust-strip .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
}
.trust-strip .item { display: flex; align-items: center; gap: 8px; }

/* ---------- Sections ---------- */
section.section { padding: 64px 24px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 12px; }
.section-head h2 { font-size: 28px; letter-spacing: -0.01em; margin: 0; }
.section-head p { color: var(--ink-soft); margin: 6px 0 0; }
.section-head .link { font-weight: 600; color: var(--accent); white-space: nowrap; }

.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.category-chip {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
  font-weight: 700;
  border: 1px solid transparent;
  transition: border-color .15s, transform .15s;
}
.category-chip:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Product grid / cards ---------- */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 1000px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .grid { grid-template-columns: repeat(2, 1fr); gap: 14px; } }

.card { display: block; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); transition: box-shadow .18s, transform .18s; background: #fff; }
.card:hover { box-shadow: 0 12px 28px rgba(17,24,39,0.08); transform: translateY(-3px); }
.card-img { aspect-ratio: 1/1; background: var(--bg-soft); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 14px 16px 18px; }
.card-title { font-size: 14.5px; font-weight: 600; margin: 0 0 8px; line-height: 1.35; min-height: 38px; }
.card-price { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.price-now { color: var(--ink); }
.price-was { color: #9ca3af; text-decoration: line-through; font-weight: 500; font-size: 13px; }

.skeleton { background: linear-gradient(90deg, #eee 25%, #f5f5f5 37%, #eee 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius); }
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.skeleton-card { height: 290px; }

/* ---------- Filters bar (shop page) ---------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 9px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  color: var(--ink-soft);
}
.filter-btn.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- Banner ---------- */
.banner {
  background: var(--ink);
  color: #fff;
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  margin: 0 24px;
}
.banner h2 { font-size: 30px; margin: 0 0 10px; }
.banner p { color: #d1d5db; margin: 0 0 26px; }

/* ---------- Product detail ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding: 48px 24px 72px; max-width: var(--maxw); margin: 0 auto; }
@media (max-width: 860px) { .product-detail { grid-template-columns: 1fr; gap: 28px; } }
.pd-gallery { border-radius: var(--radius); overflow: hidden; background: var(--bg-soft); aspect-ratio: 1/1; }
.pd-gallery img { width: 100%; height: 100%; object-fit: cover; }
.breadcrumbs { font-size: 13px; color: var(--ink-soft); margin-bottom: 16px; }
.breadcrumbs a:hover { color: var(--ink); }
.pd-title { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 10px; }
.pd-price { font-size: 26px; font-weight: 800; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.pd-badges { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.badge { background: var(--bg-soft); border-radius: 999px; padding: 6px 12px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); }
.pd-desc { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 26px; white-space: pre-line; }
.qty-row { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.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: #fff; font-size: 18px; cursor: pointer; }
.qty-stepper span { width: 36px; text-align: center; font-weight: 700; }
.pd-actions { display: flex; gap: 12px; margin-bottom: 28px; }
.pd-meta { font-size: 13.5px; color: var(--ink-soft); display: flex; flex-direction: column; gap: 6px; border-top: 1px solid var(--line); padding-top: 20px; }

/* ---------- Cart page ---------- */
.cart-page { max-width: var(--maxw); margin: 0 auto; padding: 48px 24px 80px; display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .cart-page { grid-template-columns: 1fr; } }
.cart-item { display: grid; grid-template-columns: 90px 1fr auto; gap: 16px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-item img { width: 90px; height: 90px; border-radius: 10px; object-fit: cover; background: var(--bg-soft); }
.cart-item-title { font-weight: 600; margin: 0 0 6px; }
.cart-item-price { color: var(--ink-soft); font-size: 14px; }
.cart-item-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.remove-link { font-size: 13px; color: #9ca3af; cursor: pointer; background: none; border: none; }
.remove-link:hover { color: var(--sale); }
.summary-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--bg-soft); }
.summary-row { display: flex; justify-content: space-between; font-size: 14.5px; margin-bottom: 12px; color: var(--ink-soft); }
.summary-row.total { color: var(--ink); font-weight: 800; font-size: 18px; border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.empty-state { text-align: center; padding: 80px 24px; color: var(--ink-soft); }
.empty-state h2 { color: var(--ink); margin-bottom: 10px; }

/* ---------- Forms ---------- */
.form-card { max-width: 560px; margin: 0 auto; padding: 56px 24px 80px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 7px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
}
.form-field textarea { resize: vertical; min-height: 120px; }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--ink); color: #d1d5db; margin-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; padding: 56px 24px 32px; max-width: var(--maxw); margin: 0 auto; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { color: #fff; font-size: 14px; margin: 0 0 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: #9ca3af; font-size: 14px; max-width: 32ch; }
.footer-bottom { border-top: 1px solid #1f2937; padding: 18px 24px; text-align: center; font-size: 13px; color: #9ca3af; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 20px);
  background: var(--ink); color: #fff; padding: 13px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600; opacity: 0; transition: all .25s ease; pointer-events: none;
  z-index: 100; box-shadow: 0 8px 24px rgba(0,0,0,.2);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Misc ---------- */
.page-header { padding: 56px 24px 24px; max-width: var(--maxw); margin: 0 auto; }
.page-header h1 { font-size: 36px; letter-spacing: -0.02em; margin: 0 0 10px; }
.page-header p { color: var(--ink-soft); max-width: 60ch; }
.center { text-align: center; }
.mt-40 { margin-top: 40px; }