:root {
  --bg: oklch(0.99 0.003 250);
  --surface: oklch(1 0 0);
  --surface-soft: oklch(0.965 0.006 250);
  --ink: oklch(0.18 0.035 250);
  --muted: oklch(0.43 0.025 250);
  --line: oklch(0.88 0.01 250);
  --line-strong: oklch(0.78 0.018 250);
  --accent: oklch(0.84 0.18 85);
  --accent-dark: oklch(0.55 0.13 75);
  --success: oklch(0.52 0.14 150);
  --warning: oklch(0.66 0.16 60);
  --warning-text: oklch(0.54 0.14 60);
  --danger: oklch(0.55 0.18 25);
  --shadow: 0 8px 24px oklch(0.18 0.035 250 / 0.08);
  --shadow-soft: 0 4px 8px oklch(0.18 0.035 250 / 0.08);
  --shadow-drawer-inline: -8px 0 24px oklch(0.18 0.035 250 / 0.1);
  --shadow-drawer-block: 0 -8px 24px oklch(0.18 0.035 250 / 0.12);
  --surface-translucent: oklch(1 0 0 / 0.92);
  --backdrop-fill: oklch(0.18 0.035 250 / 0.35);
  --brand-logo-line: oklch(0.74 0.12 80);
  --image-outline: rgba(0, 0, 0, 0.1);
  --action-border: oklch(0.73 0.16 82);
  --action-hover: oklch(0.79 0.18 82);
  --action-focus-fill: oklch(0.78 0.18 82);
  --whatsapp-ink: oklch(0.2 0.08 150);
  --whatsapp-line: oklch(0.78 0.1 150);
  --whatsapp-fill: oklch(0.97 0.03 150);
  --charcoal-action: oklch(0.25 0.035 250);
  --lightbox-fill: oklch(0.12 0.025 250 / 0.82);
  --focus-ring: var(--accent-dark);
  --focus-fill: oklch(0.96 0.055 88);
  --radius: 8px;
  --header-height: 72px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.35rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.35rem;
  --text-3xl: 3.375rem;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 650;
  --weight-bold: 760;
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-kerning: normal;
  font-optical-sizing: auto;
  line-height: 1.5;
}

body.cart-open { overflow: hidden; }

a { color: inherit; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

button, input, select {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(260px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 0 30px;
  background: var(--surface-translucent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--brand-logo-line);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.nav-links a {
  text-decoration: none;
  transition-property: color;
  transition-duration: 160ms;
}

.nav-links a:hover { color: var(--accent-dark); }

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.search-box {
  min-width: 230px;
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.search-box svg,
.icon-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.search-box input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.search-box:focus-within {
  border-color: var(--focus-ring);
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.icon-button {
  position: relative;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition-property: transform, border-color, background-color;
  transition-duration: 160ms;
}

.icon-button:active,
.button:active {
  transform: scale(0.96);
}

.icon-button:hover {
  border-color: var(--line-strong);
}

.icon-button:focus-visible {
  border-color: var(--focus-ring);
  background: var(--focus-fill);
}

.icon-button.ghost {
  border: 0;
  background: transparent;
}

#cartBadge {
  position: absolute;
  right: -6px;
  top: -8px;
  min-width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums;
}

main {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 30px 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(520px, 1.25fr);
  gap: 34px;
  align-items: stretch;
  padding: 48px 0 34px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 18px;
  font-size: clamp(2.75rem, 5.1vw, 4.875rem);
  line-height: 1;
  letter-spacing: -0.028em;
  text-wrap: balance;
}

.hero-copy p {
  max-width: 58ch;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: var(--text-md);
  line-height: 1.55;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-decoration: none;
  transition-property: transform, background-color, border-color, color;
  transition-duration: 160ms;
}

.button.primary {
  background: var(--accent);
  border-color: var(--action-border);
}

.button.primary:hover {
  background: var(--action-hover);
}

.button.secondary:hover {
  border-color: var(--ink);
}

.button:disabled {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--muted);
  cursor: not-allowed;
  transform: none;
}

.button:focus-visible,
.add-button:focus-visible,
.inquiry-button:focus-visible,
.text-button:focus-visible,
.cart-remove:focus-visible,
.lightbox-close:focus-visible,
.gallery-nav:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.button.primary:focus-visible,
.add-button:focus-visible {
  background: var(--action-focus-fill);
}

.button.whatsapp {
  color: var(--whatsapp-ink);
  border-color: var(--whatsapp-line);
  background: var(--whatsapp-fill);
}

.button.wide {
  width: 100%;
}

.text-button {
  min-height: 40px;
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-content: center;
  align-items: center;
}

.category-card {
  align-self: center;
  min-height: 116px;
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  text-align: left;
  transition-property: transform, border-color, box-shadow;
  transition-duration: 180ms;
}

.category-card,
.product-row,
.category-product-card,
.cart-item {
  content-visibility: auto;
  contain-intrinsic-size: auto 120px;
}

.category-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.category-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--focus-ring);
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.category-card img {
  width: 92px;
  height: 86px;
  object-fit: cover;
  border-radius: 6px;
  outline: 1px solid var(--image-outline);
}

.category-card strong {
  display: block;
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  line-height: 1.2;
}

.category-card span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.catalog-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  padding-top: 22px;
}

.filters {
  position: sticky;
  top: calc(var(--header-height) + 16px);
  align-self: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.filter-head,
.results-toolbar,
.cart-head,
.cart-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-close {
  display: none;
}

.filter-head h2,
.results-toolbar h2,
.cart-head h2 {
  margin-bottom: 0;
  font-size: var(--text-lg);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

fieldset {
  margin: 16px 0 0;
  padding: 16px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
}

legend {
  margin-bottom: 10px;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.check-list {
  display: grid;
  gap: 9px;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.filter-option {
  min-width: 0;
}

.filter-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.filter-option span {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-align: center;
  transition-property: background-color, border-color, color;
  transition-duration: 160ms;
}

.filter-option input:checked + span {
  border-color: var(--action-border);
  background: var(--accent);
  color: var(--ink);
}

.filter-option input:focus-visible + span {
  border-color: var(--focus-ring);
  color: var(--ink);
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

label {
  color: var(--ink);
}

input[type="checkbox"] {
  width: 15px;
  height: 15px;
  margin-right: 8px;
  accent-color: var(--accent-dark);
}

select,
.qty-select {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}

select:focus-visible,
.qty-select:focus-visible {
  border-color: var(--focus-ring);
}

.catalog-results {
  min-width: 0;
}

.results-toolbar {
  margin-bottom: 12px;
}

.results-toolbar p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.sort-control {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.sort-control select {
  width: auto;
  min-width: 150px;
}

.filter-toggle {
  display: none;
}

.product-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.product-row {
  display: grid;
  grid-template-columns: 78px minmax(220px, 1.4fr) 84px minmax(190px, 0.95fr) 112px 104px 118px;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.product-row.header {
  content-visibility: visible;
  contain-intrinsic-size: auto;
}

.product-row:last-child {
  border-bottom: 0;
}

.catalog-message {
  display: grid;
  gap: 4px;
  padding: 24px;
  color: var(--muted);
}

.catalog-message strong {
  color: var(--ink);
  font-size: var(--text-md);
  line-height: 1.25;
}

.catalog-message span {
  max-width: 58ch;
  font-size: var(--text-sm);
  text-wrap: pretty;
}

.product-row.header {
  min-height: 48px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-thumb {
  width: 66px;
  height: 62px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--surface-soft);
  outline: 1px solid var(--image-outline);
}

.variant-select {
  width: 100%;
  min-width: 0;
}

.product-name {
  min-width: 0;
}

.product-name strong {
  display: -webkit-box;
  overflow: hidden;
  font-weight: var(--weight-semibold);
  line-height: 1.32;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-name span {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 3px;
  color: var(--muted);
  font-size: var(--text-sm);
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.money {
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums;
}

.money small {
  display: block;
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.variant-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status.in-stock { color: var(--success); }
.status.inquiry { color: var(--warning-text); }

.row-action {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-select {
  width: 56px;
}

.add-button,
.inquiry-button {
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  transition-property: transform, background-color;
  transition-duration: 160ms;
}

.add-button:active,
.inquiry-button:active {
  transform: scale(0.96);
}

.add-button:hover {
  background: var(--charcoal-action);
}

.inquiry-button {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.inquiry-button:hover {
  border-color: var(--ink);
}

.pagination-row {
  display: flex;
  justify-content: center;
  padding: 18px 0;
}

.guide {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 28px;
  margin-top: 42px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.guide h2 {
  margin-bottom: 10px;
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.guide p {
  max-width: 62ch;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.58;
}

.product-page {
  max-width: 1260px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 12px;
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.breadcrumbs a {
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
  gap: 34px;
  align-items: start;
  padding: 24px 0 34px;
  border-bottom: 1px solid var(--line);
}

.product-gallery {
  display: grid;
  gap: 12px;
}

.product-image-stage {
  position: relative;
}

.product-hero-image {
  width: 100%;
  aspect-ratio: 1 / 0.82;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.gallery-zoom-trigger {
  position: relative;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: inherit;
}

.gallery-zoom-trigger span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--surface-translucent);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  box-shadow: var(--shadow-soft);
}

.gallery-nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-translucent);
  color: var(--ink);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  transform: translateY(-50%);
  transition-property: background-color, border-color;
  transition-duration: 160ms;
}

.gallery-nav:hover {
  border-color: var(--ink);
}

.gallery-nav.prev {
  left: 12px;
}

.gallery-nav.next {
  right: 12px;
}

.product-hero-image.placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: var(--weight-bold);
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.thumb-button {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  overflow: hidden;
}

.thumb-button.active,
.thumb-button:hover {
  border-color: var(--accent-dark);
}

.thumb-button.active {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.product-thumbs img {
  width: 100%;
  aspect-ratio: 1 / 0.78;
  object-fit: contain;
  background: var(--surface);
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--lightbox-fill);
}

.image-lightbox.open {
  display: flex;
}

.image-lightbox img {
  max-width: min(1100px, 94vw);
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--surface);
}

.lightbox-close {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
}

.product-buybox {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.product-category {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.product-buybox h1 {
  max-width: 18ch;
  margin-bottom: 16px;
  font-size: var(--text-2xl);
  line-height: 1.08;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.product-price {
  margin-bottom: 4px;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums;
}

.product-price small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: var(--text-sm);
}

.product-stock {
  margin-bottom: 18px;
  color: var(--success);
  font-weight: var(--weight-bold);
}

.detail-select {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.detail-select select:disabled {
  color: var(--muted);
  background: var(--surface-soft);
  cursor: not-allowed;
}

.detail-actions {
  display: grid;
  gap: 10px;
}

.product-info-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: 30px;
  padding: 34px 0 58px;
}

.product-info-grid h2 {
  margin-bottom: 14px;
  font-size: var(--text-xl);
  line-height: 1.18;
}

.product-specs {
  display: grid;
  gap: 8px;
  margin: 0;
}

.product-specs div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.product-specs dt {
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.product-specs dd {
  margin: 0;
}

.product-description {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.product-description p {
  margin-bottom: 10px;
  max-width: 72ch;
  line-height: 1.58;
}

.product-description p:last-child {
  margin-bottom: 0;
}

.product-link {
  color: inherit;
  text-decoration: none;
}

.product-link:hover {
  color: var(--accent-dark);
}

.product-link:focus-visible {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--focus-ring);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.product-link:has(.product-thumb):focus-visible,
.category-product-image:focus-visible,
.thumb-button:focus-visible,
.gallery-zoom-trigger:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.thumb-button:focus-visible {
  border-color: var(--focus-ring);
}

.category-page {
  max-width: 1260px;
}

.category-landing-hero {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: stretch;
  padding: 28px 0 34px;
  border-bottom: 1px solid var(--line);
}

.category-landing-hero h1 {
  max-width: 13ch;
  margin-bottom: 16px;
  font-size: var(--text-3xl);
  line-height: 1.04;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.category-landing-hero p {
  max-width: 72ch;
  color: var(--muted);
  font-size: var(--text-md);
  line-height: 1.55;
  text-wrap: pretty;
}

.category-stat-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.category-stat-panel div,
.category-summary-grid div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.category-stat-panel dt,
.category-summary-grid h2 {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.category-stat-panel dd {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.category-stat-panel div:last-child {
  grid-column: 1 / -1;
}

.category-stat-panel div:last-child dd {
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.category-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 22px 0;
}

.category-summary-grid p {
  margin: 0;
}

.category-products-section {
  padding: 18px 0 40px;
}

.category-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.category-section-head h2 {
  margin-bottom: 4px;
  font-size: var(--text-xl);
  line-height: 1.18;
}

.category-section-head p {
  margin: 0;
  color: var(--muted);
}

.category-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.category-product-card {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.category-product-image img {
  width: 112px;
  height: 92px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
}

.category-product-card h3 {
  display: -webkit-box;
  overflow: hidden;
  margin: 0 0 8px;
  font-size: var(--text-base);
  line-height: 1.32;
  font-weight: var(--weight-semibold);
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.category-product-card p {
  margin-bottom: 8px;
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums;
}

.related-category-links {
  padding: 24px 0 58px;
  border-top: 1px solid var(--line);
}

.related-category-links h2 {
  margin-bottom: 12px;
  font-size: var(--text-lg);
}

.related-category-links div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-category-links a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-decoration: none;
}

.grit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.grit-grid div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.grit-grid dt {
  margin-bottom: 6px;
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
}

.grit-grid dd {
  margin: 0;
  color: var(--muted);
}

.cart-panel {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: 40;
  width: min(390px, 100vw);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  padding-bottom: max(22px, env(safe-area-inset-bottom));
  background: var(--surface);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow-drawer-inline);
  transform: translateX(100%);
  transition-property: transform;
  transition-duration: 220ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

@media (pointer: coarse) {
  .button,
  .icon-button,
  .add-button,
  .inquiry-button,
  .text-button,
  select,
  .qty-select,
  .filter-option span {
    min-height: 44px;
  }
}

.cart-panel.open {
  transform: translateX(0);
}

.cart-head p {
  margin: 4px 0 0;
  color: var(--muted);
}

.cart-items {
  flex: 1;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
}

.cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 10px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.cart-item img {
  width: 64px;
  height: 54px;
  object-fit: cover;
  border-radius: 6px;
  outline: 1px solid var(--image-outline);
}

.cart-item strong,
.cart-item span {
  display: block;
}

.cart-item span {
  color: var(--muted);
  font-size: var(--text-sm);
}

.cart-remove {
  min-width: 40px;
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.cart-total {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: var(--text-md);
  font-variant-numeric: tabular-nums;
}

.checkout-note {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
  text-wrap: pretty;
}

.checkout-result {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: var(--surface-soft);
}

.checkout-result-panel {
  width: min(100%, 520px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 40px oklch(0.18 0.035 250 / 0.08);
}

.checkout-result-panel h1 {
  margin: 18px 0 10px;
  font-size: var(--text-2xl);
}

.checkout-result-panel p {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.55;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 35;
  display: none;
  background: var(--backdrop-fill);
}

.backdrop.show {
  display: block;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 14ch;
  }

  .product-row {
    grid-template-columns: 74px minmax(210px, 1fr) 86px minmax(170px, 0.9fr) 112px 104px 118px;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    min-height: var(--header-height);
    grid-template-columns: 1fr auto;
    padding: max(14px, env(safe-area-inset-top)) 18px 14px;
  }

  .brand {
    font-size: var(--text-lg);
  }

  .header-actions {
    display: contents;
  }

  .search-box {
    grid-column: 1 / -1;
    order: 3;
    width: 100%;
    min-width: 0;
  }

  main {
    padding: 0 18px max(44px, env(safe-area-inset-bottom));
  }

  .hero {
    gap: 22px;
    padding: 28px 0 26px;
  }

  h1 {
    font-size: clamp(2.625rem, 12vw, 4rem);
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-shell {
    grid-template-columns: 1fr;
  }

  .filters {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 45;
    max-height: 82dvh;
    overflow: auto;
    border-radius: 12px 12px 0 0;
    padding: 18px 18px max(18px, env(safe-area-inset-bottom));
    transform: translateY(105%);
    transition-property: transform;
    transition-duration: 220ms;
  }

  .filter-close {
    display: inline-grid;
  }

  .filters.open {
    transform: translateY(0);
  }

  .filter-toggle {
    display: inline-flex;
  }

  .results-toolbar {
    align-items: stretch;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .sort-control span {
    display: none;
  }

  .product-list {
    border: 0;
    background: transparent;
    display: grid;
    gap: 10px;
  }

  .product-row.header {
    display: none;
  }

  .product-row {
    grid-template-columns: 82px 1fr;
    gap: 11px 14px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
  }

  .product-row > * {
    min-width: 0;
  }

  .product-row .mobile-meta {
    display: block;
  }

  .product-row > :nth-child(3) {
    display: none;
  }

  .product-row > :nth-child(4) {
    grid-column: 1 / -1;
  }

  .product-row > :nth-child(5) {
    grid-column: 1 / 2;
    display: block;
    align-self: center;
  }

  .product-row > :nth-child(6) {
    grid-column: 2 / 3;
    display: inline-flex;
    justify-self: end;
    align-self: center;
  }

  .row-action {
    grid-column: 1 / -1;
    justify-content: space-between;
  }

  .row-action .add-button,
  .row-action .inquiry-button {
    flex: 1;
  }

  .qty-select {
    width: 72px;
  }

  .guide {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .product-detail,
  .product-info-grid,
  .category-landing-hero {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .product-detail {
    padding-top: 14px;
  }

  .category-landing-hero h1 {
    max-width: none;
    font-size: var(--text-2xl);
  }

  .category-summary-grid,
  .category-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-buybox h1 {
    max-width: none;
    font-size: var(--text-xl);
  }

  .product-header-actions {
    display: none;
  }

  .cart-panel {
    inset: auto 0 0 0;
    width: 100%;
    max-height: 86dvh;
    border-top: 1px solid var(--line);
    border-left: 0;
    border-radius: 12px 12px 0 0;
    box-shadow: var(--shadow-drawer-block);
    transform: translateY(100%);
  }

  .cart-panel.open {
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-left: 14px;
    padding-right: 14px;
  }

  main {
    padding-left: 14px;
    padding-right: 14px;
  }

  h1 {
    max-width: 12ch;
  }

  .hero-copy p {
    margin-bottom: 20px;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    min-height: 132px;
    display: grid;
    grid-template-columns: 104px 1fr;
    gap: 12px;
    align-items: center;
    padding: 12px;
  }

  .category-card img {
    width: 104px;
    height: 104px;
  }

  .results-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .results-toolbar > div {
    grid-column: 1 / -1;
    order: -1;
  }

  .filter-toggle,
  .sort-control,
  .sort-control select {
    width: 100%;
  }

  .sort-control {
    justify-content: stretch;
  }

  .product-row {
    grid-template-columns: 74px minmax(0, 1fr);
  }

  .product-thumb {
    width: 74px;
    height: 70px;
  }

  .grit-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .product-thumbs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-nav {
    width: 36px;
    height: 36px;
    font-size: var(--text-lg);
  }

  .gallery-nav.prev {
    left: 8px;
  }

  .gallery-nav.next {
    right: 8px;
  }

  .product-buybox {
    padding: 16px;
  }

  .product-info-grid {
    padding-bottom: 42px;
  }

  .product-specs div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .category-stat-panel,
  .category-summary-grid,
  .category-product-grid {
    grid-template-columns: 1fr;
  }

  .category-section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .category-product-card {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .category-product-image img {
    width: 92px;
    height: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}