.inventory-page { display: grid; gap: 2rem; }

.inventory-filters {
  background: var(--atc-surface);
  border: 1px solid var(--atc-border);
  border-radius: var(--atc-radius-lg);
  padding: clamp(1rem, 3vw, 1.75rem);
  scroll-margin-top: calc(var(--atc-header-height) + 1rem);
}

.inventory-filters__top { align-items: end; display: flex; gap: 1rem; justify-content: space-between; margin-bottom: 1rem; }
.inventory-filters__top h2 { font-size: 1.35rem; margin: 0; }
.inventory-filters__top .eyebrow { margin-bottom: 0.25rem; }
.filter-clear { color: var(--atc-muted); font-size: 0.8rem; font-weight: 750; min-height: 44px; padding-top: 0.6rem; }

.inventory-filter-form__primary,
.advanced-filters__grid { display: grid; gap: 0.75rem; }
.inventory-filter-form__primary .button { align-self: end; }
.advanced-filters { border-top: 1px solid var(--atc-border); margin-top: 1rem; padding-top: 0.7rem; }
.advanced-filters summary { color: var(--atc-navy); font-size: 0.86rem; font-weight: 800; min-height: 44px; padding-block: 0.55rem; }
.advanced-filters__grid { padding-top: 0.75rem; }

.result-summary { align-items: center; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; margin-bottom: 1.25rem; }
.result-summary__count { color: var(--atc-muted); margin: 0; }
.result-summary__count strong { color: var(--atc-navy); font-size: 1.55rem; }
.form-field--inline { align-items: center; flex-direction: row; }
.form-field--inline label { margin: 0; white-space: nowrap; }
.form-field--inline select { min-width: 160px; }
.inventory-sort-form__submit { min-height: 44px; }
.js .inventory-sort-form__submit { display: none; }

.inventory-results { min-width: 0; position: relative; scroll-margin-top: calc(var(--atc-header-height) + 1rem); transition: opacity var(--atc-transition); }
.inventory-results[aria-busy="true"] { opacity: 0.58; }
.inventory-results[aria-busy="true"]::after { animation: atc-spin 0.8s linear infinite; border: 4px solid var(--atc-surface-strong); border-radius: 50%; border-top-color: var(--atc-blue); content: ""; height: 42px; left: calc(50% - 21px); position: absolute; top: 7rem; width: 42px; z-index: 2; }
.inventory-results__message { background: #fff1f0; border-left: 4px solid var(--atc-danger); color: var(--atc-danger); margin-bottom: 1rem; padding: 0.8rem 1rem; }
@keyframes atc-spin { to { transform: rotate(360deg); } }

.tyre-grid { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); }

.tyre-card {
  background: var(--atc-white);
  border: 2px solid var(--atc-navy);
  border-radius: var(--atc-radius-sm) var(--atc-radius-sm) var(--atc-radius-lg) var(--atc-radius-lg);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  padding-top: 2.2rem;
  position: relative;
  transition: box-shadow var(--atc-transition), transform var(--atc-transition);
}

.tyre-card:hover,
.tyre-card:focus-within { box-shadow: var(--atc-shadow); transform: translateY(-3px); }
.tyre-card--featured { border-color: var(--atc-yellow); }

.tyre-card__badge {
  background: var(--atc-navy);
  clip-path: polygon(0 0, 100% 0, calc(100% - 18px) 100%, 0 100%);
  color: var(--atc-white);
  font-size: 0.7rem;
  font-weight: 900;
  left: 0;
  letter-spacing: 0.07em;
  line-height: 1;
  margin: 0;
  max-width: calc(100% - 1.5rem);
  overflow: hidden;
  padding: 0.68rem 2rem 0.68rem 0.85rem;
  position: absolute;
  text-overflow: ellipsis;
  top: 0;
  white-space: nowrap;
}

.tyre-card--featured .tyre-card__badge { background: var(--atc-yellow); color: var(--atc-navy); }
.tyre-card--featured:not(:has(.tyre-card__badge))::before { background: var(--atc-yellow); content: ""; height: 8px; inset: 0 0 auto; position: absolute; }

.tyre-card__top {
  align-items: end;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: minmax(110px, 0.44fr) minmax(0, 0.56fr);
  padding: 0.5rem 1rem 0;
}

.tyre-card__image-link {border-radius: 10px; align-items: center; align-self: end; aspect-ratio: 1; background: var(--atc-surface); display: flex; justify-content: center; overflow: hidden; position: relative; z-index: 1; }
.tyre-card__image { display: block; height: 100%; object-fit: cover; object-position: center; transition: transform 250ms ease; width: 100%; }
.tyre-card:hover .tyre-card__image { transform: scale(1.025); }
.tyre-card__placeholder { align-items: center; color: var(--atc-navy); display: flex; height: 100%; justify-content: center; opacity: 0.24; width: 100%; }
.tyre-card__placeholder svg { height: 105px; width: 105px; }

.tyre-card__features { align-self: end; display: grid; gap: 0.3rem; list-style: none; margin: 0; padding: 0; width: 100%; }
.tyre-card__features li { background: var(--atc-surface-strong); border-radius: 3px; color: var(--atc-navy-soft); font-size: 0.72rem; font-weight: 700; line-height: 1.25; overflow: hidden; padding: 0.42rem 0.5rem; text-overflow: ellipsis; white-space: nowrap; }
.tyre-card__features li::before { color: var(--atc-blue); content: "◆"; font-size: 0.5rem; margin-right: 0.35rem; }

.tyre-card__body { display: flex; flex: 1; flex-direction: column; padding: 0.35rem 1rem 1rem; }
.tyre-card__brand { color: var(--atc-navy-soft); font-size: 0.7rem; font-weight: 900; letter-spacing: 0.06em; margin: 0 0 0.35rem; text-transform: uppercase; }
.tyre-card__title { font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.25; margin-bottom: 0.55rem; }
.tyre-card__title a { color: var(--atc-navy); text-decoration: none; }
.tyre-card__title a:hover { color: var(--atc-blue); }
.tyre-card__specs { color: var(--atc-muted); display: grid; font-size: 0.76rem; gap: 0.25rem; }
.tyre-card__specs p { display: flex; gap: 0.35rem; margin: 0; }
.tyre-card__specs span::after { content: ":"; }
.tyre-card__specs strong { color: var(--atc-text); }
.tyre-card__purchase { border-top: 2px solid var(--atc-surface-strong); margin-top: auto; padding-top: 1rem; }
.tyre-card__price { display: flex; flex-direction: column; margin-bottom: 0.55rem; }
.tyre-card__price strong { color: var(--atc-navy); font-size: clamp(1.35rem, 3vw, 1.85rem); font-weight: 900; line-height: 1.2; }
.tyre-card__price small { color: var(--atc-muted); font-size: 0.7rem; }
.tyre-card__stock { align-items: center; color: var(--atc-muted); display: flex; font-size: 0.76rem; margin-bottom: 0.85rem; }
.tyre-card__stock > span,
.single-tyre__stock > span { background: var(--atc-warning); border-radius: 50%; flex: 0 0 auto; height: 0.55rem; margin-right: 0.4rem; width: 0.55rem; }
.tyre-card__stock--in-stock > span,
.single-tyre__stock--in-stock > span { background: var(--atc-success); }
.tyre-card__stock--unavailable > span,
.single-tyre__stock--unavailable > span { background: var(--atc-danger); }
.tyre-card__stock strong { color: var(--atc-text); }
.tyre-card__actions { display: grid; gap: 0.25rem; }
.tyre-card__actions .text-link { font-size: 0.8rem; }

.featured-inventory {
  scroll-margin-top: var(--atc-header-height);
  background: linear-gradient(180deg, var(--atc-white) 0%, var(--atc-surface) 100%);
  overflow: clip;
}

.featured-carousel { min-width: 0; }

.featured-carousel__viewport {
  margin-inline: -0.5rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0.75rem 0.5rem 1.25rem;
  scroll-padding-inline: 0.5rem;
  scroll-snap-type: inline mandatory;
  scrollbar-width: none;
}

.featured-carousel__viewport::-webkit-scrollbar { display: none; }

.featured-carousel__track {
  align-items: stretch;
  display: flex;
  gap: 1.25rem;
}

.featured-carousel__slide {
  display: flex;
  flex: 0 0 100%;
  min-width: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.featured-carousel__slide > .tyre-card { flex: 1; width: 100%; }

.featured-carousel__controls {
  align-items: center;
  display: grid;
  gap: clamp(1rem, 3vw, 2rem);
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: 0.4rem;
}

.featured-carousel__controls[hidden],
.featured-carousel.is-static .featured-carousel__controls { display: none; }

.featured-carousel__progress {
  background: var(--atc-surface-strong);
  border-radius: 999px;
  height: 0.34rem;
  overflow: hidden;
  position: relative;
}

.featured-carousel__progress span {
  background: var(--atc-navy);
  border-radius: inherit;
  height: 100%;
  left: 0;
  min-width: 2.5rem;
  position: absolute;
  top: 0;
  transition: left 120ms linear, width 120ms ease;
}

.featured-carousel__buttons { display: flex; gap: 0.65rem; }

.featured-carousel__button {
  align-items: center;
  background: var(--atc-blue);
  border: 2px solid var(--atc-blue);
  border-radius: 50%;
  color: var(--atc-white);
  display: inline-flex;
  height: 3.25rem;
  justify-content: center;
  padding: 0;
  transition: background-color var(--atc-transition), border-color var(--atc-transition), color var(--atc-transition), transform var(--atc-transition);
  width: 3.25rem;
}

.featured-carousel__button:hover:not(:disabled) {
  background: var(--atc-navy);
  border-color: var(--atc-navy);
  color: var(--atc-yellow);
  transform: translateY(-2px);
}

.featured-carousel__button:disabled {
  background: var(--atc-surface-strong);
  border-color: var(--atc-surface-strong);
  color: var(--atc-muted);
  cursor: default;
  opacity: 0.62;
}

.featured-carousel__button svg { height: 1.4rem; width: 1.4rem; }
.featured-carousel__button--previous svg { transform: rotate(180deg); }

.inventory-empty { background: var(--atc-surface); border: 1px dashed var(--atc-border); border-radius: var(--atc-radius-lg); padding: clamp(2rem, 7vw, 5rem) 1.25rem; text-align: center; }
.inventory-empty__icon { color: var(--atc-border); display: flex; justify-content: center; }
.inventory-empty__icon svg { height: 90px; width: 90px; }
.inventory-empty h2 { font-size: 1.5rem; }
.inventory-empty > p { color: var(--atc-muted); margin-inline: auto; max-width: 42rem; }

.single-tyre__main { display: grid; gap: clamp(2rem, 5vw, 4.5rem); padding-block: 1rem clamp(3rem, 7vw, 6rem); }
.product-gallery { min-width: 0; }
.product-gallery__stage { background: var(--atc-surface); border-radius: var(--atc-radius-lg); overflow: hidden; }
.product-gallery__panel { align-items: center; aspect-ratio: 4 / 3; display: flex; justify-content: center; overflow: hidden; }
.product-gallery__panel + .product-gallery__panel { border-top: 1px solid var(--atc-border); }
.product-gallery__panel img { height: 100%; object-fit: cover; object-position: center; width: 100%; }
.js .product-gallery__panel[hidden] { display: none; }
.js .product-gallery__panel + .product-gallery__panel { border-top: 0; }
.product-gallery__thumbs { display: flex; gap: 0.5rem; margin-top: 0.75rem; overflow-x: auto; padding: 0.25rem; }
.product-gallery__thumb { background: var(--atc-surface); border: 2px solid transparent; border-radius: var(--atc-radius-sm); flex: 0 0 76px; overflow: hidden; }
.product-gallery__thumb.is-active { border-color: var(--atc-blue); }
.product-gallery__thumb img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.product-gallery__fallback { align-items: center; background: var(--atc-surface); border-radius: var(--atc-radius-lg); color: var(--atc-muted); display: flex; flex-direction: column; justify-content: center; min-height: 360px; padding: 2rem; }
.product-gallery__fallback svg { color: var(--atc-border); height: 130px; width: 130px; }

.single-tyre__summary { align-self: start; }
.single-tyre__brand { color: var(--atc-blue); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.08em; margin-bottom: 0.45rem; text-transform: uppercase; }
.single-tyre__summary h1 { font-size: clamp(2rem, 5vw, 3.7rem); }
.single-tyre__size { color: var(--atc-navy-soft); font-size: clamp(1.2rem, 3vw, 1.65rem); font-weight: 850; }
.single-tyre__chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }
.single-tyre__chips span { background: var(--atc-surface-strong); border-radius: 999px; color: var(--atc-navy); font-size: 0.76rem; font-weight: 750; padding: 0.35rem 0.7rem; }
.single-tyre__price { border-top: 2px solid var(--atc-border); display: flex; flex-direction: column; padding-top: 1.25rem; }
.single-tyre__price strong { color: var(--atc-navy); font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 900; line-height: 1.2; }
.single-tyre__price small { color: var(--atc-muted); }
.single-tyre__stock { align-items: center; display: flex; margin-block: 1rem; }
.single-tyre__actions { display: grid; gap: 0.65rem; }
.single-tyre__notice { color: var(--atc-muted); font-size: 0.78rem; margin-top: 0.75rem; }
.single-tyre__details { background: var(--atc-surface); }
.spec-list { background: var(--atc-white); border: 1px solid var(--atc-border); border-radius: var(--atc-radius); overflow: hidden; }
.spec-list > div { display: grid; font-size: 0.86rem; grid-template-columns: minmax(110px, 0.45fr) 1fr; }
.spec-list > div + div { border-top: 1px solid var(--atc-border); }
.spec-list dt { background: var(--atc-surface); color: var(--atc-muted); font-weight: 700; padding: 0.7rem 0.85rem; }
.spec-list dd { color: var(--atc-navy); font-weight: 750; margin: 0; padding: 0.7rem 0.85rem; }
.single-tyre__description { background: var(--atc-white); border-radius: var(--atc-radius); padding: clamp(1.25rem, 3vw, 2rem); }

@media (min-width: 600px) {
  .inventory-filter-form__primary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .advanced-filters__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 720px) {
  .tyre-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .featured-carousel__slide { flex-basis: calc((100% - 1.25rem) / 2); }
}

@media (min-width: 900px) {
  .single-tyre__main { align-items: start; grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr); }
  .single-tyre__summary { position: sticky; top: calc(var(--atc-header-height) + 1.5rem); }
}

@media (min-width: 1120px) {
  .tyre-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .featured-carousel__slide { flex-basis: calc((100% - 2.5rem) / 3); }
  .inventory-filter-form__primary { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .advanced-filters__grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

@media (max-width: 599px) {
  .inventory-filters__top { align-items: start; }
  .result-summary { align-items: stretch; flex-direction: column; }
  .form-field--inline { justify-content: space-between; }
  .form-field--inline select { min-width: 0; width: 58%; }
  .tyre-card__top { gap: 0.4rem; }
  .tyre-card__body { padding-top: 0.8rem; }
}

@media print {
  .featured-inventory { overflow: visible; }
  .featured-carousel__viewport { margin: 0; overflow: visible; padding: 0; }
  .featured-carousel__track { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .featured-carousel__slide { break-inside: avoid; display: flex; }
  .featured-carousel__controls { display: none !important; }
  .featured-carousel .tyre-card { box-shadow: none; transform: none; }
}