/* Shared editorial collection and catalogue browsing styles. */
.collections-page [hidden],
.catalogue-filters[hidden],
.catalogue-filters__field[hidden],
.catalogue-filters__note[hidden],
.catalogue-filters__reset[hidden],
.catalogue-product-grid .product-card[hidden],
.catalogue-no-results[hidden] { display: none !important; }

.collections-hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: clamp(520px, 70vh, 760px);
  overflow: hidden;
  background: var(--color-warm-white);
  color: var(--color-charcoal);
  text-align: left;
  padding-block: 0;
}

.collections-hero__media,
.collections-hero .hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.collections-hero__media img,
.collections-hero .hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.collections-hero__media::after,
.collections-hero .hero__media::after { display: none; }

.collections-hero__intro {
  position: relative;
  z-index: 1;
  padding-block: var(--sp-11);
}

.collections-hero__intro > * { max-width: 600px; }
.collections-hero h1,
.collections-hero .lead { color: var(--color-charcoal); }
.collections-hero .lead { margin-top: var(--sp-5); margin-inline: 0; }
.collections-hero .eyebrow { color: var(--color-deep-green); justify-content: flex-start; }
.collections-hero .hero__ctas { align-items: flex-start; }

.collection-quickstart:not(nav) {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.collection-quickstart:not(nav) .btn { min-width: 190px; }

nav.collection-quickstart {
  border-block: 1px solid var(--border-hair);
}

.collection-quickstart__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4) var(--sp-7);
  padding-block: var(--sp-5);
}

.collection-quickstart__inner .eyebrow { margin-right: auto; }

.collection-quickstart__inner > a {
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-champagne-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.collection-quickstart__inner > a:hover { color: var(--color-deep-green-hover); }

.collection-signature__intro,
.collection-discovery__intro { max-width: 760px; margin-bottom: var(--sp-9); }
.collection-signature__intro h2,
.collection-discovery__intro h2 { margin-top: var(--sp-4); }

.collection-signature__feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: center;
  margin-bottom: var(--sp-10);
}

.collection-signature__feature:nth-of-type(even) .collection-signature__media { order: 2; }

.collection-signature__media {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-card);
  background: var(--color-warm-white);
}

.collection-signature__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--dur-slow) var(--ease-out);
}

.collection-signature__media:hover img,
.collection-signature__media:focus-visible img { transform: scale(1.035); }

.collection-signature__copy { max-width: 470px; }
.collection-signature__copy h3 { margin-top: var(--sp-4); font-size: clamp(2.5rem, 5vw, 4.2rem); }
.collection-signature__spec {
  margin-top: var(--sp-4);
  color: var(--color-charcoal-soft);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.collection-signature__story {
  margin-block: var(--sp-5) var(--sp-6);
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  font-style: italic;
  line-height: 1.35;
}
.collection-signature__more { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-4); }

.collection-discovery__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-9) var(--sp-7);
}

.collection-discovery__card { min-width: 0; }

.collection-discovery__media {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-media);
  background: var(--color-ivory);
}

.collection-discovery__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--dur-slow) var(--ease-out);
}

.collection-discovery__media img[src*="atelier-moment"] { object-fit: cover; }
.collection-discovery__media:hover img,
.collection-discovery__media:focus-visible img { transform: scale(1.035); }

.collection-discovery__copy { padding-block: var(--sp-5); }
.collection-discovery__copy h3 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.collection-discovery__copy p { margin-top: var(--sp-2); color: var(--text-secondary); }
.collection-discovery__copy a {
  display: inline-flex;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  color: var(--color-deep-green);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-champagne-gold);
  text-underline-offset: 5px;
}

.collection-standard { background: var(--color-atelier-navy, var(--bg-inverse)); }
.collection-standard h2 { margin-top: var(--sp-4); }
.collection-standard__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-6);
  margin-top: var(--sp-8);
}
.collection-standard__item { border-top: 1px solid rgba(247, 244, 239, 0.45); padding-top: var(--sp-5); }
.collection-standard__item h3 { font-size: clamp(1.45rem, 2vw, 1.9rem); }
.collection-standard__item p { margin-top: var(--sp-3); color: rgba(247, 244, 239, 0.8); }

.collection-learning__inner { display: flex; align-items: end; justify-content: space-between; gap: var(--sp-8); }
.collection-learning__inner > div:first-child { max-width: 680px; }
.collection-learning h2 { margin-top: var(--sp-4); }
.collection-learning__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

.catalogue-section-title { margin-bottom: var(--sp-6); }
.catalogue-filters { margin-bottom: var(--sp-3); border-top: 1px solid var(--border-hair); border-bottom: 1px solid var(--border-hair); }
.catalogue-filters summary { padding: var(--sp-4) 0; color: var(--color-charcoal); font-weight: 600; cursor: pointer; }
.catalogue-filters__body { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) auto; gap: var(--sp-3); align-items: end; padding-block: var(--sp-4); }
.catalogue-filters__field label { display: block; margin-bottom: var(--sp-2); font-family: var(--font-sans); font-size: var(--fs-small); font-weight: 600; }
.catalogue-filters__field select {
  width: 100%;
  min-height: 46px;
  padding: 9px 36px 9px 12px;
  border: 1px solid var(--color-charcoal-soft);
  border-radius: var(--radius-sm);
  background: var(--color-ivory);
  color: var(--color-charcoal);
}
.catalogue-filters__reset { min-height: 46px; padding: 9px 4px; border: 0; background: none; color: var(--color-deep-green); text-decoration: underline; cursor: pointer; }
.catalogue-filters__note { max-width: 750px; color: var(--text-secondary); font-size: var(--fs-caption); }
.catalogue-count { margin-block: var(--sp-4) var(--sp-5); color: var(--text-secondary); font-size: var(--fs-small); }
.catalogue-no-results { margin-block: var(--sp-7); font-family: var(--font-serif); font-size: var(--fs-h3); }
.catalogue-product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.catalogue-product-grid .product-card__media { aspect-ratio: 1 / 1; }
.catalogue-product-grid .product-card__img { object-fit: contain; }
.product-card__img--alternate { position: absolute; inset: 0; opacity: 0; transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.product-card:hover .product-card__img--alternate,
.product-card:focus-within .product-card__img--alternate { opacity: 1; }

@media (max-width: 1050px) {
  .catalogue-filters__body { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalogue-filters__reset { justify-self: start; }
  .collection-standard__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .collections-hero { display: block; min-height: 0; }
  .collections-hero__media,
  .collections-hero .hero__media { position: relative; height: clamp(270px, 55vw, 430px); }
  .collections-hero__intro { padding-block: var(--sp-8); }
  .collections-hero h1 { max-width: 620px; }
  .collection-quickstart__inner { display: grid; grid-template-columns: 1fr; gap: var(--sp-3); }
  .collection-quickstart__inner .eyebrow { margin-bottom: var(--sp-2); }
  .collection-signature__feature { grid-template-columns: 1fr; gap: var(--sp-5); margin-bottom: var(--sp-9); }
  .collection-signature__feature:nth-of-type(even) .collection-signature__media { order: 0; }
  .collection-discovery__grid { gap: var(--sp-7) var(--sp-4); }
  .collection-learning__inner { display: block; }
  .collection-learning__actions { margin-top: var(--sp-6); }
  .catalogue-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .collection-discovery__grid,
  .collection-standard__grid { grid-template-columns: 1fr; }
  .catalogue-filters__body { grid-template-columns: 1fr; }
  .collection-quickstart:not(nav) .btn { width: 100%; }
}

@media (max-width: 420px) {
  .catalogue-product-grid { grid-template-columns: 1fr; }
}

/* Compact browsing for collections with released products. */
.catalogue-page { --catalogue-header-height: 77px; }
.catalogue-intro { padding-block: 24px 12px; }
.catalogue-intro h1 { font-size: clamp(2.75rem, 6vw, 4rem); }
.catalogue-intro .section-lede { margin-top: 8px; font-size: 16px; }
.catalogue-intro .collection-quickstart { margin-top: 8px; gap: 4px 20px; }
.catalogue-intro .collection-quickstart a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 12px;
  text-underline-offset: 4px;
}
.catalogue-product-section { padding-top: 16px; scroll-margin-top: calc(var(--catalogue-header-height) + 12px); }
.catalogue-page .catalogue-section-title { font-size: 22px; margin-bottom: 8px; }
.catalogue-discovery {
  position: sticky;
  top: var(--catalogue-header-height);
  scroll-margin-top: var(--catalogue-header-height);
  z-index: 20;
  margin-bottom: 20px;
  background: var(--color-ivory);
}
.catalogue-discovery.is-scroll-hidden { transform: translateY(-100%); opacity: 0; pointer-events: none; }
.catalogue-search { display: grid; gap: 6px; padding-block: 8px; }
.catalogue-search label, .catalogue-refinement-title { color: var(--text-primary); font-family: var(--font-sans); font-size: 12px; font-weight: 600; }
.catalogue-search input {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--color-charcoal-soft);
  border-radius: var(--radius-sm);
  background: var(--color-warm-white);
  color: var(--text-primary);
  font: 16px var(--font-sans);
}
.catalogue-refinement-title { margin-top: 6px; }
.catalogue-refinement-title[hidden] { display: none; }
.catalogue-results-bar { display: flex; align-items: center; justify-content: space-between; gap: 8px 20px; flex-wrap: wrap; margin-bottom: 14px; }
.catalogue-results-bar[hidden] { display: none; }
.catalogue-results-bar p { color: var(--text-secondary); font-family: var(--font-sans); font-size: 12px; line-height: 1.5; }
.catalogue-results-bar button { border: 0; padding: 4px 0; background: transparent; color: var(--text-primary); font: 600 12px var(--font-sans); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.catalogue-results-bar button[hidden] { display: none; }
.catalogue-shapes { display: flex; gap: 8px; overflow-x: auto; padding-block: 8px; scrollbar-width: thin; }
.catalogue-shapes[hidden] { display: none; }
.catalogue-shapes button {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--border-hair);
  border-radius: 2px;
  background: transparent;
  color: var(--color-charcoal);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.catalogue-shapes button[aria-pressed="true"] { background: var(--color-deep-green); color: var(--color-ivory); border-color: var(--color-deep-green); }
.catalogue-discovery .catalogue-filters { margin: 0; }
.catalogue-discovery summary { display: flex; align-items: center; gap: 8px; min-height: 48px; padding-block: 10px; font-size: 13px; list-style: none; }
.catalogue-discovery summary::-webkit-details-marker { display: none; }
.catalogue-discovery summary::after { content: "+"; font-size: 20px; }
.catalogue-discovery details[open] summary::after { content: "−"; }
.catalogue-discovery .catalogue-count { margin: 0 0 0 auto; font-size: 12px; font-weight: 400; }
.catalogue-discovery .catalogue-filters__body {
  position: absolute;
  inset-inline: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 16px;
  max-height: calc(100vh - var(--catalogue-header-height) - 140px);
  max-height: calc(100dvh - var(--catalogue-header-height) - 140px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--color-ivory);
  border: 1px solid var(--border-hair);
  box-shadow: 0 12px 20px rgb(0 0 0 / 8%);
}
.catalogue-discovery select { min-width: 0; font-size: 16px; }
.catalogue-discovery .catalogue-filters__field label { font-size: 12px; }
.catalogue-discovery .catalogue-filters__note { grid-column: 1 / -1; }
.catalogue-filters-done { grid-column: 2; min-height: 46px; padding: 9px; font-size: 12px; }
.catalogue-page[data-catalogue-kind="rings"] .catalogue-filters-done { grid-column: auto; }
@media (max-width: 767px), (max-height: 600px) {
  .catalogue-page:is([data-catalogue-kind="rings"], [data-catalogue-kind="search"]) .catalogue-discovery .catalogue-filters__body {
    position: fixed;
    inset: calc(var(--catalogue-header-height) + 8px) var(--gutter) 12px;
    align-content: start;
    max-height: none;
  }
}
.catalogue-page .catalogue-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 12px; }
.product-card--compact { min-width: 0; }
.product-card--compact .product-card__body { align-items: flex-start; text-align: left; padding: 12px 0 0; gap: 6px; }
.product-card--compact .product-card__name { font-size: 18px; line-height: 1.2; }
.product-card--compact .product-card__spec { font-size: 12px; line-height: 1.5; }
.product-card--compact .product-card__price { font-size: 12px; }
.product-card--compact .product-card__img--alternate { opacity: 0; }
.product-card--compact[data-alternate-ready="true"]:hover .product-card__img--alternate,
.product-card--compact[data-alternate-ready="true"]:focus-within .product-card__img--alternate { opacity: 1; }
@media (min-width: 768px) {
  .catalogue-page { --catalogue-header-height: 89px; }
  .catalogue-intro { padding-block: 48px 24px; }
  .catalogue-page .catalogue-product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 24px; }
  .product-card--compact .product-card__name { font-size: 24px; }
  .catalogue-discovery .catalogue-filters__body { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .catalogue-filters-done { grid-column: 4; }
  .catalogue-page[data-catalogue-kind="rings"] .catalogue-discovery .catalogue-filters__body { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .catalogue-page[data-catalogue-kind="rings"] .catalogue-filters-done { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .collection-signature__media img,
  .collection-discovery__media img,
  .catalogue-product-grid .product-card__img { transition: none; }
  .collection-signature__media:hover img,
  .collection-discovery__media:hover img,
  .catalogue-product-grid .product-card:hover .product-card__img { transform: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .catalogue-discovery { transition: transform 180ms ease, opacity 180ms ease; }
}