/* ==========================================================================
   PESU — Product detail & configurator
   ========================================================================== */

.pdp { padding-top: calc(var(--header-h) + 1.5rem); }

.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem;
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  padding-block: var(--sp-3) var(--sp-5);
}
.breadcrumb a:hover { color: var(--fg); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 0.6rem; opacity: 0.5; }
.breadcrumb li { display: inline-flex; align-items: center; }

/* Desktop: gallery and story stack in column one, the configurator rail sits
   beside them and stays with the shopper. Mobile: gallery, rail, then story —
   nobody should have to scroll past the essay to reach the price. */
.pdp__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: start;
}
.pdp__gallery { grid-column: 1; grid-row: 1; }
.pdp__story   { grid-column: 1; grid-row: 2; }
.config       { grid-column: 2; grid-row: 1 / span 2; }

/* --- Gallery ------------------------------------------------------------ */
.gallery { display: grid; gap: var(--sp-3); }

.gallery__stage {
  position: relative;
  aspect-ratio: 4 / 3.4;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--gypsum);
  transition: background var(--dur-slow) var(--ease);
  cursor: zoom-in;
}
.gallery__stage .swatch-fill {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}
.gallery__stage .swatch-fill.is-active { opacity: 1; }
.gallery__floor {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgba(18,16,14,0.10));
  z-index: 2;
}
.gallery__view {
  position: relative;
  z-index: 3;
  width: min(86%, 680px);
  opacity: 0;
  transform: scale(0.985);
  transition: opacity var(--dur) var(--ease), transform var(--dur-slow) var(--ease);
  pointer-events: none;
  grid-area: 1 / 1;
  filter: drop-shadow(0 46px 46px rgba(18,16,14,0.22));
}
.gallery__view.is-active { opacity: 1; transform: none; pointer-events: auto; }
/* Scenes shot as “photography” bleed to the edge of the frame; the piece
   itself and the technical drawing sit inside it with air around them. */
.gallery__view--fill {
  position: absolute;
  inset: 0;
  width: 100%;
  filter: none;
}
.gallery__view--fill svg { width: 100%; height: 100%; }
.gallery__view--wide { width: min(92%, 760px); }

.gallery__zoom-hint {
  position: absolute;
  right: 1rem; bottom: 1rem;
  z-index: 4;
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
.gallery__stage.is-zoomed { cursor: zoom-out; }
.gallery__stage.is-zoomed .gallery__view.is-active {
  transform: scale(1.55);
  transform-origin: var(--zx, 50%) var(--zy, 50%);
}

.gallery__thumbs { display: flex; gap: var(--sp-2); }
.gallery__thumb {
  position: relative;
  flex: 1;
  aspect-ratio: 1;
  overflow: hidden;
  opacity: 0.55;
  transition: opacity var(--dur) var(--ease);
}
.gallery__thumb::after {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.gallery__thumb[aria-selected="true"] { opacity: 1; }
.gallery__thumb[aria-selected="true"]::after { border-color: var(--ink); }
.gallery__thumb:hover { opacity: 1; }
.gallery__thumb svg, .gallery__thumb .surface { width: 100%; height: 100%; }
.gallery__thumb__inner { position: absolute; inset: 0; display: grid; place-items: center; padding: 14%; }

/* Story block beneath the gallery */
.pdp__story { margin-top: var(--sp-7); display: grid; gap: var(--sp-5); }
.pdp__story-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.pdp__story-grid .surface { aspect-ratio: 4 / 3; }

/* --- Configurator rail -------------------------------------------------- */
.config {
  position: sticky;
  top: calc(var(--header-h) + 1.25rem);
  display: grid;
  gap: var(--sp-4);
  max-height: calc(100svh - var(--header-h) - 2.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 2px;
  scrollbar-width: thin;
}
.config::-webkit-scrollbar { width: 2px; }
.config::-webkit-scrollbar-thumb { background: var(--line); }

.config__head { display: grid; gap: var(--sp-2); }
.config__title { font-family: var(--font-display); font-size: var(--step-3); font-weight: 300; line-height: 1.05; }
.config__meta {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.75rem;
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.config__price {
  display: flex; align-items: baseline; gap: 0.75rem;
  font-family: var(--font-display);
  font-size: var(--step-2);
}
.config__price-from { font-family: var(--font-sans); font-size: var(--step--2); letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-faint); }
.config__price .is-bumping { animation: price-bump var(--dur) var(--ease); }
@keyframes price-bump {
  0% { opacity: 0.25; transform: translateY(6px); }
  100% { opacity: 1; transform: none; }
}
.config__vat { font-size: var(--step--2); color: var(--fg-faint); letter-spacing: 0.06em; }

.config__group { border-top: 1px solid var(--line); padding-top: var(--sp-4); }
.config__group-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.config__group-label {
  font-size: var(--step--2);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--fg-muted);
}
.config__group-value { font-family: var(--font-display); font-size: var(--step-1); }

/* Option chips (finish, size, base) */
.options { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.option {
  position: relative;
  border: 1px solid var(--line);
  padding: 0.7rem 1.05rem;
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.option small { font-size: 0.68rem; color: var(--fg-faint); letter-spacing: 0.06em; }
.option:hover { border-color: var(--fg-muted); }
.option[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--alabaster); }
.option[aria-pressed="true"] small { color: rgba(247,243,237,0.6); }
.option[disabled] { opacity: 0.32; pointer-events: none; text-decoration: line-through; }

/* Material swatches inside the rail */
.config .swatches { gap: 1.15rem; }
.config .swatch { width: 56px; height: 56px; }

/* Engraving */
.engrave__preview {
  margin-top: var(--sp-3);
  border: 1px solid var(--line);
  padding: 1.1rem 1.25rem;
  display: grid;
  place-items: center;
  min-height: 74px;
  background:
    linear-gradient(150deg, rgba(214,188,139,0.22), rgba(176,141,79,0.10)),
    var(--gypsum);
}
.engrave__preview span {
  font-family: var(--font-display);
  font-size: var(--step-2);
  letter-spacing: 0.28em;
  text-indent: 0.28em;
  text-transform: uppercase;
  color: var(--gilt-deep);
  text-shadow: 0 1px 0 rgba(255,255,255,0.55);
  word-break: break-word;
  text-align: center;
}
.engrave__preview.is-empty span { color: var(--fg-faint); font-size: var(--step-0); letter-spacing: 0.12em; }

/* Custom dimensions */
.dims { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); margin-top: var(--sp-3); }
.dims[hidden] { display: none; }

.config__actions { display: grid; gap: var(--sp-3); border-top: 1px solid var(--line); padding-top: var(--sp-4); }
.config__row { display: flex; gap: var(--sp-3); align-items: stretch; }
.qty {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line);
}
.qty button { width: 3rem; height: 100%; font-size: 1rem; transition: background var(--dur-fast) var(--ease); }
.qty button:hover { background: var(--gypsum); }
.qty output { min-width: 2.5rem; text-align: center; font-variant-numeric: tabular-nums; }

.wish-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  border: 1px solid var(--line);
  padding: 1.05em 1.4em;
  font-size: var(--step--2);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.wish-btn svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.1; }
.wish-btn[aria-pressed="true"] { color: var(--clay); border-color: var(--clay); }
.wish-btn[aria-pressed="true"] svg { fill: currentColor; }

.config__assurance {
  display: grid; gap: 0.75rem;
  font-size: var(--step--1);
  color: var(--fg-muted);
  border-top: 1px solid var(--line);
  padding-top: var(--sp-4);
}
.config__assurance li { display: grid; grid-template-columns: 1.2rem 1fr; gap: 0.75rem; align-items: start; }
.config__assurance svg { width: 14px; height: 14px; stroke: var(--accent); fill: none; stroke-width: 1.2; margin-top: 0.45em; }

.lead-time {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.lead-time::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gilt);
  box-shadow: 0 0 0 3px rgba(176,141,79,0.18);
}

/* Summary of the current configuration */
.config__summary {
  border: 1px solid var(--line);
  padding: var(--sp-4);
  display: grid;
  gap: 0.6rem;
  font-size: var(--step--1);
  background: color-mix(in srgb, var(--gypsum) 45%, transparent);
}
.config__summary h3 {
  font-size: var(--step--2);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--fg-faint);
  font-weight: 400;
}
.config__summary dl { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1rem; }
.config__summary dt { color: var(--fg-faint); }
.config__summary dd { text-align: right; }

/* --- Mobile sticky purchase bar ----------------------------------------- */
.buybar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: none;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.85rem var(--gutter);
  background: rgba(247,243,237,0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-soft);
  transform: translate3d(0, 110%, 0);
  transition: transform var(--dur) var(--ease);
}
.buybar.is-visible { transform: none; }
.buybar__price { font-family: var(--font-display); font-size: var(--step-1); flex: 1; }
.buybar .btn { padding: 1em 1.6em; }

/* --- Atelier band & related --------------------------------------------- */
.atelier-band {
  display: grid;
  grid-template-columns: 1fr minmax(0, 0.8fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.related__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 2vw, 2rem); }

/* --- Responsive --------------------------------------------------------- */
@media (max-width: 1080px) {
  .pdp__layout { grid-template-columns: 1fr; }
  .pdp__gallery, .pdp__story, .config { grid-column: 1; grid-row: auto; }
  .config { position: static; max-height: none; overflow: visible; }
  .related__grid { grid-template-columns: repeat(2, 1fr); }
  .atelier-band { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .buybar { display: flex; }
  .pdp { padding-bottom: 6rem; }
}
@media (max-width: 560px) {
  .pdp__story-grid { grid-template-columns: 1fr; }
  .dims { grid-template-columns: 1fr; }
  .config__row { flex-wrap: wrap; }
  .gallery__stage { aspect-ratio: 1; }
}

/* --- Real photography in the gallery ------------------------------------ */
.gallery__view--photo {
  grid-area: 1 / 1;
  width: min(88%, 720px);
  filter: drop-shadow(0 30px 40px rgba(18,16,14,0.18));
}
.gallery__view--photo img { width: 100%; height: auto; border-radius: 2px; }
.gallery__thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* --- Purchase rail additions -------------------------------------------- */
.config__fulltitle { text-transform: none; letter-spacing: 0.02em; color: var(--fg-faint); }
.config__features { display: grid; gap: 0.7rem; font-size: var(--step--1); color: var(--fg-muted); }
.config__features li { display: grid; grid-template-columns: 1.1rem 1fr; gap: 0.7rem; align-items: start; }
.config__features svg { width: 13px; height: 13px; stroke: var(--accent); fill: none; stroke-width: 1.4; margin-top: 0.5em; }
[data-stock].is-low { color: var(--clay); }
.wish-btn[data-shop-link] { text-align: center; }