/* Shared showroom controls; desktop product photography uses the same manual gallery as mobile. */
/* HTML defaults to enquiry mode too, so payment CTAs never flash before JS loads. */
body[data-storefront-mode="preorder"] [data-buy-now],
body[data-storefront-mode="preorder"] [data-cart-review-checkout],
body[data-storefront-mode="preorder"] [data-cart-checkout-step],
[data-preorder-only][hidden] {
  display: none !important;
}
.preorder-notice {
  margin: 1.25rem 0 0;
  max-width: 38rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.preorder-notice h2,
.preorder-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 500;
  color: var(--white);
}
.preorder-notice p,
.preorder-panel p {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.75);
}
.preorder-notice p { margin: 0; }
.preorder-panel { padding-top: 0.5rem; }
.preorder-copy {
  width: 100%;
  min-height: 44px;
  margin: 0.25rem 0 0.5rem;
  padding: 0.75rem;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--white);
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}
.preorder-contact {
  padding: 0.75rem 1rem;
  text-decoration: none;
  gap: 1rem;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  text-transform: none;
}
.preorder-contact > span:first-child { line-height: 1.5; }
.preorder-contact .line-arrow { flex-shrink: 0; }
.preorder-list-panel { margin-top: 0.85rem; }
.preorder-list-panel summary {
  padding: 0.65rem 0;
  font-size: 0.875rem;
  cursor: pointer;
}
.preorder-list-panel textarea {
  width: 100%;
  box-sizing: border-box;
  min-height: 8rem;
  padding: 0.75rem;
  resize: vertical;
  background: #111;
  border: 1px solid var(--line);
  color: var(--white);
  font: inherit;
  font-size: 1rem;
  line-height: 1.6;
}
.preorder-copy:focus-visible,
.preorder-contact:focus-visible,
.preorder-list-panel summary:focus-visible,
.preorder-list-panel textarea:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}
body[data-storefront-mode="preorder"] .cart-drawer {
  display: block;
  overflow-y: auto;
  overscroll-behavior: contain;
}
body[data-storefront-mode="preorder"] .cart-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #080808;
}
body[data-storefront-mode="preorder"] .cart-body { overflow: visible; }
body[data-storefront-mode="preorder"] .product-hero .add-cart-button {
  border-top: 1px solid var(--line-strong);
}

.mobile-featured,
.product-hero h1 .mobile-product-name,
.catalog-price {
  display: none;
}

.shop-swipe-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  gap: 0.75rem;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.shop-swipe-track::-webkit-scrollbar { display: none; }
.shop-swipe-track > * { min-width: 0; scroll-snap-align: start; }
.shop-swipe-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 3.25rem;
}
.shop-swipe-controls button {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  gap: 0.75rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  color: var(--white);
  background: transparent;
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}
.shop-swipe-controls button:disabled { opacity: 0.25; cursor: default; }
.shop-swipe-controls svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.shop-swipe-progress { display: grid; justify-items: center; }
.shop-swipe-count { font-size: 0.875rem; letter-spacing: 0.12em; color: var(--muted); }
.shop-swipe-dots { display: flex; justify-content: center; }
.shop-swipe-dot::before {
  width: 5px;
  height: 5px;
  border: 1px solid #aaa;
  border-radius: 50%;
  content: '';
}
.shop-swipe-dot[aria-current="true"]::before { background: var(--white); border-color: var(--white); }
.shop-swipe-track:focus-visible,
.shop-swipe-controls button:focus-visible { outline: 1px solid var(--white); outline-offset: -2px; }
.product-page.gallery-ready .product-gallery { display: none; }
.product-photo-gallery { min-width: 0; }
.product-photo-gallery .gallery-item {
  grid-column: auto;
  grid-row: auto;
  width: 100%;
  margin: 0;
}
.product-photo-gallery .gallery-item img,
.product-photo-gallery .gallery-placeholder {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 0;
  filter: none;
  transform: none;
}
/* Placeholders retain their own centred content until approved photographs are available. */
.product-photo-gallery .gallery-placeholder { display: grid; }
.product-photo-gallery .gallery-item figcaption {
  min-height: 3.5rem;
  padding: 0.85rem 0;
  align-items: baseline;
  border-top: 0;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

/* The approved portrait stays intact: no synthetic angles, tint or jewellery cropping. */
.hero-approved-image {
  position: absolute;
  top: 6rem;
  right: 2vw;
  width: 54%;
  height: calc(100svh - 8rem);
  object-fit: contain;
  object-position: center;
}
.object-card .object-image .approved-product-image,
.mobile-featured .object-image .approved-product-image {
  object-fit: contain;
  object-position: center;
  filter: none;
  transform: none;
}

@media (min-width: 681px) {
  .physical-record { padding: 3rem var(--page-gutter) 4rem; scroll-margin-top: 5rem; }
  .physical-record .record-header,
  .physical-record .product-photo-gallery { width: min(100%, 60rem); margin-inline: auto; }
  .physical-record .record-header {
    display: block;
    margin-bottom: 1.5rem;
  }
  .record-header .section-kicker { margin-bottom: 0.75rem; font-size: 0.875rem; }
  .physical-record .record-header h2 {
    max-width: none;
    font-size: clamp(2rem, 3.2vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.035em;
  }
  .physical-record .record-number { display: none; }
  .product-photo-gallery .shop-swipe-controls { padding-top: 0.25rem; border-top: 1px solid var(--line); }
}

.pearl-notice {
  margin: 1.25rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 1px solid var(--line-strong);
  text-align: left;
}
.pearl-notice h2,
.pearl-notice h3,
.pearl-notice h4 {
  margin: 0 0 0.65rem;
  color: var(--white);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}
.pearl-notice p {
  margin: 0 0 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  line-height: 1.8;
}
.pearl-notice p:last-child { margin-bottom: 0; }
.pearl-notice .pearl-notice-secondary { color: rgba(255, 255, 255, 0.68); }
.pearl-notice--cart { margin: 1rem 0; }

.craft-note {
  margin: 1.5rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.craft-note h2,
.craft-note h3 {
  margin: 0 0 0.75rem;
  color: var(--white);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.craft-note p {
  margin: 0 0 0.85rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.875rem;
  line-height: 1.75;
}
.craft-note .craft-stock-copy { color: var(--white); }
.craft-note a {
  display: inline-block;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
}
.craft-note--checkout { margin: 1rem 0; }
.craft-note--checkout p { margin-bottom: 0; }
.aftercare-note {
  margin: 1.25rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  text-align: left;
}
.aftercare-note h2,
.aftercare-note h3 {
  margin: 0 0 0.75rem;
  color: var(--white);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}
.aftercare-note p {
  margin: 0 0 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  line-height: 1.8;
  overflow-wrap: break-word;
}
.aftercare-note p:last-child { margin-bottom: 0; }
.material-copy > p { font-size: 1rem; line-height: 1.8; }
.material-ledger dd { font-size: 0.875rem; line-height: 1.6; }

/* Progressive enhancement: unsupported browsers use their normal navigation. */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) { animation-duration: 180ms; }

@media (max-width: 680px) {
  .hero .hero-approved-image {
    top: 4rem;
    right: 0;
    width: 100%;
    height: 52svh;
  }
  .showroom-page .hero {
    min-height: 92svh;
  }
  .showroom-page .hero-content {
    padding: 57svh 1rem 1.5rem;
  }
  .showroom-page .hero-media { height: 76%; }
  .showroom-page .eyebrow { display: none; }
  .showroom-page .hero h1,
  html[lang] .showroom-page .hero h1 {
    font-size: clamp(2rem, 10vw, 3.5rem);
    line-height: 1.08;
    letter-spacing: -0.025em;
  }
  .showroom-page .hero h1 span { display: inline; margin: 0; }
  .showroom-page .hero-copy { margin-top: 0.85rem; font-size: 0.875rem; }
  .showroom-page .hero-copy br,
  .showroom-page .hero-copy span:last-child { display: none; }
  .showroom-page .hero-discover { margin-top: 1rem; font-size: 0.875rem; }
  .showroom-page .hero-discover > span { font-size: 0.75rem; }

  .mobile-featured {
    display: block;
    padding: 2.5rem 1rem 2rem;
    border-bottom: 1px solid var(--line);
    background: #080808;
  }
  .shop-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 1.25rem;
  }
  .shop-section-header h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
  }
  .shop-section-header a { font-size: 0.875rem; padding: 0.5rem 0; }
  .shop-swipe-label,
  .shop-swipe-count { display: none; }
  .mobile-featured .object-image { aspect-ratio: 4 / 5; }
  .mobile-featured .object-meta { display: block; }
  .mobile-featured .object-meta h3 { font-size: 1rem; line-height: 1.5; }
  .mobile-featured .object-meta p { font-size: 0.75rem; }
  .mobile-featured .object-meta > a,
  .mobile-featured .object-meta > span { display: inline-block; padding-top: 0.75rem; font-size: 0.875rem; }

  .showroom-page .collection-section { padding: 2.5rem 1rem 4rem; scroll-margin-top: 4.1rem; }
  .showroom-page .collection-header { gap: 1rem; margin-bottom: 1.5rem; }
  .showroom-page .collection-header > div { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; }
  .showroom-page .collection-header .section-kicker,
  .showroom-page .collection-count { margin: 0; font-size: 0.75rem; }
  .showroom-page .collection-header h2,
  html[lang] .showroom-page .collection-header h2 { font-size: 2rem; line-height: 1.15; }
  .showroom-page .collection-intro { font-size: 0.875rem; line-height: 1.65; }
  .showroom-page .object-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 1.75rem 0.65rem;
    overflow: visible;
    scroll-snap-type: none;
    padding: 0;
  }
  .showroom-page .collection-carousel > .carousel-arrow,
  .showroom-page .collection-carousel > .carousel-controls { display: none; }
  .showroom-page .object-grid .object-image { aspect-ratio: 4 / 5; border: 0; }
  .showroom-page .object-grid .object-image figcaption { display: none; }
  .showroom-page .object-grid .object-meta { display: block; padding-top: 0.75rem; }
  .showroom-page .object-grid .object-meta p { font-size: 0.75rem; }
  .showroom-page .object-grid .object-meta h3 { font-size: 0.875rem; line-height: 1.6; letter-spacing: 0; }
  .showroom-page .object-grid .object-meta > a,
  .showroom-page .object-grid .object-meta > span { display: block; padding-top: 0.5rem; font-size: 0.75rem; letter-spacing: 0; }
  .showroom-page .object-grid .object-meta > a { min-height: 44px; }
  .showroom-page .object-grid .product-media-placeholder { padding: 0.5rem; }
  .showroom-page .object-grid .product-media-placeholder > span:not(.object-slot-index) { display: none; }
  .showroom-page .object-grid .product-media-placeholder strong { font-size: 1rem; letter-spacing: 0.02em; }
  .showroom-page .object-grid .product-media-placeholder .object-slot-index { font-size: 3rem; }
  .showroom-page .catalog-price { display: block; margin: 0.5rem 0 0; color: var(--white); }

  .mobile-product-gallery { display: block; order: 1; margin-top: 4.05rem; }
  /* Only legacy pages move the carousel outside physical-record on mobile. */
  .product-page.gallery-ready .product-hero-media,
  .product-page.gallery-ready:not(.sunken-showcase) .physical-record { display: none; }
  .mobile-product-gallery .gallery-item { width: 100%; margin: 0; }
  .mobile-product-gallery .gallery-item img,
  .mobile-product-gallery .gallery-placeholder {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    border: 0;
    border-radius: 0;
    object-fit: contain;
    filter: none;
    transform: none;
  }
  .mobile-product-gallery .gallery-item figcaption { padding: 0.75rem 1rem 0; font-size: 0.75rem; }
  .mobile-product-gallery .shop-swipe-controls { padding: 0 0.5rem; }
  .product-hero-copy { padding: 0.75rem 1rem 2.5rem; }
  .back-link { font-size: 0.75rem; min-height: 44px; margin-bottom: 0.5rem; padding-top: 0.6rem; }
  .product-hero-copy .section-kicker { font-size: 0.75rem; }
  .product-hero h1 > span { display: none; }
  .product-hero h1 .mobile-product-name { display: block; }
  .product-hero h1,
  html[lang] .product-hero h1 { max-width: none; font-size: 2rem; line-height: 1.2; letter-spacing: -0.025em; }
  .product-intro { display: none; }
  .product-hero .purchase-zone { margin-top: 1rem; }
  .product-hero .price-lockup { justify-content: flex-start; gap: 0.6rem; padding-bottom: 1.25rem; }
  .product-hero .price-lockup span { font-size: 0.875rem; }
  .product-hero .price-lockup strong { font-size: 1.5rem; }
  .product-hero .add-cart-button { min-height: 3.25rem; font-size: 0.875rem; }
  .product-hero .purchase-button { min-height: 44px; border: 0; margin-top: 0.25rem; }
  .product-hero .purchase-button .button-zh { font-size: 0.875rem; }
  .product-hero .currency-control--product { font-size: 0.75rem; }
  .mobile-product-details summary { font-size: 0.875rem; letter-spacing: 0.02em; }
  .mobile-product-details p { font-size: 1rem; }
  .mobile-product-details dl { margin: 0 0 1rem; font-size: 0.875rem; line-height: 1.7; }
  .mobile-product-details dl > div { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 0.5rem; }
  .mobile-product-details dd { margin: 0; }
  .lore-section { padding-top: 4rem; }
}

/* Object 001: one continuous showroom, with real photography before the story. */
.showroom-page .campaign-hero {
  /* Limit wide-screen cover cropping so the clasp and pendant stay inside the scene. */
  min-height: max(100svh, 46rem, 50vw);
  background: #070808;
  border: 0;
}
.showroom-page > .site-header {
  border-bottom-color: transparent;
  background: linear-gradient(rgba(7,8,8,.7), rgba(7,8,8,.08));
}
.campaign-hero .hero-media { inset: 0; width: 100%; height: 100%; background: #070808; container-type: size; }
.campaign-hero .hero-campaign-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 75% center;
}
/* Live brand typography, not baked into or generated over the product photograph.
   Anchor to the image's cover transform, so resizing keeps it inside the necklace. */
.campaign-signature {
  position: absolute;
  z-index: 1;
  left: 67.5%;
  top: 40%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: min(3.3vw, 4.5rem);
  font-weight: 500;
  letter-spacing: .32em;
  text-indent: .32em;
  line-height: 1;
  text-shadow: none;
}
.campaign-signature > span {
  display: block;
  /* Apply separation outside the glyphs, keeping the clipped silver fill luminous. */
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.65)) drop-shadow(0 0 8px rgba(236,245,255,.28));
}
@supports (width: 1cqw) {
  .campaign-signature {
    --signature-image-width: max(100cqw, 177.6833156cqh);
    --signature-image-height: max(56.2799043cqw, 100cqh);
    left: calc(75% - var(--signature-image-width) * .075);
    top: calc(50% - var(--signature-image-height) * .10);
    font-size: min(3.3cqw, 4.5rem);
  }
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .campaign-signature > span {
    background: linear-gradient(165deg, #ffffff 12%, #fafdff 42%, #edf3f7 72%, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.campaign-hero .hero-media::after { background: linear-gradient(90deg, rgba(7,8,8,.7), rgba(7,8,8,.35) 30%, transparent 55%); }
.campaign-hero .hero-wash { background: linear-gradient(0deg, #070808, transparent 4%, transparent 94%, rgba(7,8,8,.3)); }
.campaign-hero .noise { display: none; }
.showroom-page .campaign-hero .hero-content { width: 46%; margin: 0; padding: 8rem var(--page-gutter) 6rem; }
.campaign-hero .vertical-note { display: none; }
.campaign-hero .eyebrow { font-size: 0.875rem; margin-bottom: 2rem; }
html[lang] .showroom-page .campaign-hero h1 { font-size: clamp(3.5rem, 6.5vw, 7rem); line-height: 1.02; letter-spacing: -0.05em; text-transform: none; }
.campaign-english-name { margin: 1rem 0 0; color: #b6b5b1; font-family: var(--font-sans); font-size: 0.9375rem; letter-spacing: 0.3em; line-height: 1.5; }
html[lang="en"] .campaign-english-name { display: none; }
.campaign-hero .hero-copy { margin-top: 2rem; font-size: 1rem; line-height: 1.8; }
.campaign-hero .hero-discover { margin-top: 2rem; }
.campaign-hero .hero-discover strong,
.campaign-hero .hero-discover > span { font-size: 0.875rem; }
.campaign-hero .preorder-notice { margin-top: 1.5rem; border: 0; padding: 0; }
.campaign-hero .preorder-notice h2 { font-size: 0.875rem; color: var(--muted); }
.campaign-hero .preorder-notice p { font-size: 0.875rem; }
@media (min-width: 681px) and (max-aspect-ratio: 3/2) {
  .showroom-page .campaign-hero .hero-content { width: 39%; }
  html[lang] .showroom-page .campaign-hero h1 { font-size: clamp(3rem, 5vw, 5rem); }
}
.sunken-showcase .product-hero h1 .product-name { display: block; }
.production-summary { font-size: 0.875rem; line-height: 1.8; color: var(--muted); margin: 1.25rem 0 0; }
.sunken-showcase .product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 6rem);
  min-height: auto;
  padding: 8rem var(--page-gutter) 3rem;
  background: #08090a;
  overflow: visible;
}
.sunken-showcase .product-hero::after { display: none; }
.sunken-showcase .physical-record {
  display: block;
  position: sticky;
  top: 6rem;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.sunken-showcase .product-photo-gallery { width: 100%; margin: 0; }
.sunken-showcase .mobile-product-gallery { margin-top: 0; }
.sunken-showcase .product-gallery { display: block; }
.sunken-showcase.gallery-ready .product-gallery { display: none; }
.sunken-showcase .gallery-item { width: 100%; margin: 0; }
.sunken-showcase .gallery-item img {
  display: block;
  width: 100%;
  height: min(75svh, 54rem);
  aspect-ratio: 3 / 4;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  filter: none;
  transform: none;
  /* Fade only the empty outermost stone; never crop the product or tint its materials. */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent), linear-gradient(transparent, #000 3%, #000 97%, transparent);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent), linear-gradient(transparent, #000 3%, #000 97%, transparent);
  mask-composite: intersect;
}
.sunken-showcase .gallery-item figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  min-height: 0;
  color: var(--muted);
  font-size: 0.875rem;
}
.sunken-showcase .gallery-item--model img { -webkit-mask-image: none; mask-image: none; }
.product-photo-gallery .shop-swipe-dot { min-width: 28px; }
@media (max-width: 1100px) {
  .product-photo-gallery .shop-swipe-label { display: none; }
}
.shop-swipe-controls[hidden] { display: none; }
.sunken-showcase .product-hero-copy { width: 100%; margin: 0; padding: 0; }
.sunken-showcase .back-link { margin-bottom: 2rem; font-size: 0.875rem; letter-spacing: 0.04em; }
.sunken-showcase .product-hero-copy .section-kicker { margin-bottom: 1.1rem; font-size: 0.875rem; }
html[lang] .sunken-showcase .product-hero h1 {
  max-width: none;
  font-size: clamp(3rem, 5vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.sunken-showcase .product-hero h1 .outline-word {
  margin-top: 0.85rem;
  color: var(--muted);
  -webkit-text-stroke: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  letter-spacing: 0.25em;
  line-height: 1.5;
}
.sunken-showcase .product-intro { max-width: 36rem; margin-top: 1.75rem; font-size: 1rem; line-height: 1.85; }
.sunken-showcase .purchase-zone { margin-top: 1.5rem; }
.sunken-showcase .price-lockup { justify-content: start; margin: 0 0 1rem; }
.sunken-showcase .price-lockup strong { font-size: 1.35rem; }
.sunken-showcase .add-cart-button { min-height: 3.5rem; font-size: 0.95rem; }
.sunken-showcase .checkout-status:empty { margin: 0; min-height: 0; }
.sunken-showcase .product-scroll { position: static; grid-column: 2; justify-self: start; font-size: 0.875rem; margin-top: -1.5rem; }
.sunken-showcase .mobile-product-details { display: block; margin-top: 1.5rem; }
.sunken-showcase .mobile-product-details details { border-top: 1px solid var(--line); }
.sunken-showcase .mobile-product-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.25rem;
  padding: 0.75rem 0;
  list-style: none;
  font-size: 0.875rem;
  line-height: 1.5;
  cursor: pointer;
}
.sunken-showcase .mobile-product-details summary::-webkit-details-marker { display: none; }
.sunken-showcase .mobile-product-details summary span:last-child { transition: transform 180ms; }
.sunken-showcase .mobile-product-details details[open] summary span:last-child { transform: rotate(45deg); }
.sunken-showcase .mobile-product-details p { font-size: 1rem; line-height: 1.8; color: var(--muted); }
.sunken-showcase .mobile-product-facts { margin: 0 0 1rem; font-size: 0.875rem; line-height: 1.7; }
.sunken-showcase .mobile-product-facts > div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.5rem 0; }
.sunken-showcase .mobile-product-facts dt > span:first-child { margin-right: 0.75rem; color: var(--muted); }
.sunken-showcase .mobile-product-facts dd { margin: 0; text-align: right; }
.product-service-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 6rem);
  padding: 3rem var(--page-gutter);
  border-bottom: 1px solid var(--line);
}
.product-service-notes > section { margin: 0; padding: 0; border: 0; }
.product-service-notes p { font-size: 1rem; }
.sunken-showcase .lore-section { gap: 4rem; padding: 6rem var(--page-gutter) 4rem; }
html[lang] .sunken-showcase .lore-header h2 { font-size: clamp(2.5rem, 4.5vw, 5rem); line-height: 1.15; }
.sunken-showcase .lore-lede { font-size: 1.2rem; line-height: 1.9; }
.sunken-showcase .lore-copy > p { font-size: 1rem; line-height: 1.9; }
@media (max-width: 980px) {
  .sunken-showcase .product-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; padding-top: 7rem; }
  .sunken-showcase .gallery-item img { height: auto; aspect-ratio: 3 / 4; }
}
@media (max-width: 680px) {
  .sunken-showcase .product-hero { display: flex; flex-direction: column; gap: 0; padding: 4.1rem 0 2rem; }
  .sunken-showcase .physical-record { position: static; width: 100%; }
  .sunken-showcase .gallery-item img { aspect-ratio: 3 / 4; height: auto; max-height: 75svh; }
  .sunken-showcase .gallery-item figcaption { padding: 0.85rem 1rem; }
  .sunken-showcase .product-hero-copy { padding: 0.5rem 1rem 0; }
  .sunken-showcase .back-link { margin-bottom: 0.75rem; }
  html[lang] .sunken-showcase .product-hero h1 { font-size: 2.75rem; }
  .sunken-showcase .product-scroll { margin: 1.5rem 1rem 0; }
  .product-service-notes { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 1rem; }
  .sunken-showcase .lore-section { display: block; padding: 4rem 1rem 3rem; }
  .sunken-showcase .lore-body { margin-top: 2rem; padding-top: 0; }
}

/* Art-directed portrait scene, not a cropped strip of the landscape photograph.
   Keep the image between its natural 9:16 height and 2× width: only empty side rock
   is cropped. Live copy begins below the pendant, even on short/tall phones.
   The bottom fade lets enlarged text extend the page without a photograph seam. */
@media (max-width: 680px), (max-aspect-ratio: 6/5) {
  .showroom-page .campaign-hero {
    --campaign-art-height: clamp(177.684vw, 100svh, 200vw);
    display: block;
    min-height: max(100svh, var(--campaign-art-height));
    padding: 0;
  }
  .showroom-page .campaign-hero .hero-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: var(--campaign-art-height);
    margin: 0;
  }
  .campaign-hero .hero-campaign-image {
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
    object-position: center top;
  }
  .campaign-signature {
    left: 50%;
    top: 32%;
    font-size: min(7.2vw, 4.5rem);
  }
  @supports (width: 1cqw) {
    .campaign-signature {
      --signature-image-height: max(177.6833156cqw, 100cqh);
      top: calc(var(--signature-image-height) * .32);
      font-size: min(7.2cqw, 4.5rem);
    }
  }
  .campaign-hero .hero-media::after {
    background: linear-gradient(0deg, #070808 0%, rgba(7,8,8,.68) 14%, transparent 30%);
  }
  .campaign-hero .hero-wash { display: none; }
  .showroom-page .campaign-hero .hero-content {
    width: min(100%, 42rem);
    margin: 0 auto;
    padding: calc(var(--campaign-art-height) * .70) clamp(1rem, 4vw, 3rem) 2.25rem;
  }
  .campaign-hero .eyebrow { display: flex; margin-bottom: 0.75rem; }
  html[lang] .showroom-page .campaign-hero h1 { font-size: clamp(2.5rem, 9vw, 4.5rem); }
  .campaign-hero .campaign-english-name { font-size: 0.875rem; margin-top: 0.6rem; }
  .showroom-page .campaign-hero .hero-copy { margin-top: 0.85rem; font-size: 1rem; }
  .campaign-hero .hero-copy br,
  .campaign-hero .hero-copy span:last-child { display: none; }
  .campaign-hero .hero-discover { margin-top: 1rem; }
  .campaign-hero .preorder-notice { margin-top: 1rem; }
  .campaign-hero .scroll-cue { display: none; }
}

/* Phone campaign: a closer complete-necklace composition and a compact editorial caption.
   Only surrounding rock is cropped; all supplied photo files remain unchanged. */
@media (max-width: 680px) and (orientation: portrait) {
  .showroom-page .campaign-hero { --campaign-art-height: 220vw; }
  .campaign-signature {
    font-size: min(9.8vw, 4.25rem);
    font-weight: 600;
  }
  @supports (width: 1cqw) {
    .campaign-signature { font-size: min(9.8cqw, 4.25rem); }
  }
  .showroom-page .campaign-hero .hero-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
    column-gap: 1rem;
    align-items: end;
    width: 100%;
    padding: calc(var(--campaign-art-height) * .68) 1.25rem 2rem;
  }
  .campaign-hero .eyebrow {
    grid-column: 1 / -1;
    width: 100%;
    margin: 0 0 1rem;
    color: #c9ced1;
  }
  html[lang] .showroom-page .campaign-hero h1 {
    margin: 0;
    font-size: clamp(2.5rem, 13vw, 4.75rem);
    line-height: 1;
  }
  html[lang="en"] .showroom-page .campaign-hero h1 {
    grid-column: 1 / -1;
    font-size: clamp(2.25rem, 10vw, 4.25rem);
  }
  .campaign-hero .campaign-english-name {
    margin: 0 0 .3rem;
    font-size: .75rem;
    letter-spacing: .18em;
    text-align: right;
    color: #dce0e2;
  }
  .showroom-page .campaign-hero .hero-copy {
    grid-column: 1 / -1;
    margin: 1rem 0 0;
    color: #c7c9ca;
  }
  .campaign-hero .hero-discover {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 3.5rem;
    margin-top: 1.25rem;
    padding: 1rem 1.15rem;
    border: 1px solid #f4f6f7;
    color: #090b0d;
    background: linear-gradient(120deg, #fbfcfd, #dbe0e3);
  }
  .campaign-hero .hero-discover > span { display: none; }
  .campaign-hero .hero-discover strong { display: flex; align-items: center; width: 100%; justify-content: space-between; font-weight: 600; }
  .campaign-hero .hero-discover:hover { background: #fff; }
  .campaign-hero .hero-discover:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
  .campaign-hero .preorder-notice { grid-column: 1 / -1; margin-top: 1.25rem; }
}
@media (max-width: 680px) and (orientation: portrait) and (prefers-reduced-motion: no-preference) {
  .campaign-signature > span { animation: campaign-signature-arrive 700ms var(--ease-out) both; }
}
@keyframes campaign-signature-arrive {
  from { opacity: .6; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .campaign-signature > span { animation: none; }
  @view-transition { navigation: none; }
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none; }
  .shop-swipe-track { scroll-behavior: auto; }
}