/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.breadcrumb {
  padding-block: var(--space-2);
  border-bottom: var(--rule);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb__link:hover {
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.breadcrumb__sep {
  color: var(--text-muted);
}

/* ==========================================================================
   Product layout, 7 / 5 split on desktop, stacked on mobile
   ========================================================================== */

.pdp {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-6) var(--space-8);
}

@media (min-width: 1000px) {
  .pdp {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
    padding-block: var(--space-7) var(--space-9);
    align-items: start;
  }

  /* The buy panel follows the gallery on long pages. */
  .pdp__panel {
    position: sticky;
    top: calc(var(--header-h) + var(--space-5));
  }
}

.pdp__hero-shot {
  border: var(--rule);
}

.pdp__thumbs {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.pdp__thumb {
  display: block;
  width: 88px;
  padding: 0;
  border: var(--rule);
  background: var(--color-paper);
  transition: border-color var(--duration-fast) var(--ease-out);
}

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

.pdp__thumb.is-active {
  border-color: var(--color-ink);
  box-shadow: inset 0 0 0 2px var(--color-ink);
}

/* ==========================================================================
   Buy panel
   ========================================================================== */

.pdp__title {
  margin-top: var(--space-3);
  font-size: var(--display-lg);
}

.pdp__title:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.pdp__descriptor {
  margin-top: var(--space-3);
  color: var(--text-muted);
  font-weight: 600;
}

.pdp__price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: var(--rule);
}

.pdp__price {
  font-size: 2.5rem;
  line-height: 1;
}

.pdp__price-base {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}

.pdp__provenance {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-paper);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
}

.pdp__provenance-body {
  font-size: var(--body);
}

.pdp__description {
  margin-top: var(--space-5);
  max-width: 52ch;
}

.pdp__block {
  margin-top: var(--space-6);
}

.pdp__block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.pdp__size-guide {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pdp__size-guide:hover {
  color: var(--color-ink);
}

.pdp__sizes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pdp__size {
  min-width: 56px;
  min-height: 48px;
  padding: 0 var(--space-3);
  background: var(--color-paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.pdp__size:hover:not(:disabled) {
  border-color: var(--color-ink);
}

.pdp__size.is-selected {
  background: var(--color-ink);
  color: var(--color-cream);
  border-color: var(--color-ink);
}

/* Sold-out sizes stay visible and struck through rather than removed. */
.pdp__size:disabled {
  color: var(--text-muted);
  text-decoration: line-through;
  cursor: not-allowed;
  opacity: 0.55;
}

/* ==========================================================================
   Add-ons
   ========================================================================== */

.pdp__addons {
  padding: 0;
  margin-top: var(--space-6);
  border: 0;
}

.pdp__addons-legend {
  padding: 0;
  margin-bottom: var(--space-3);
}

.addon {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--rule);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.addon + .addon {
  margin-top: var(--space-2);
}

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

.addon__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.addon__box {
  display: grid;
  place-items: center;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  color: transparent;
  background: var(--color-paper);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.addon__input:checked + .addon__box {
  background: var(--color-ink);
  color: var(--color-cream);
}

.addon__input:focus-visible + .addon__box {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.addon__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.addon__label {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-weight: 600;
}

.addon__price {
  font-family: var(--font-label);
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

/* ==========================================================================
   Actions and detail groups
   ========================================================================== */

.pdp__actions {
  margin-top: var(--space-6);
}

.pdp__reassure {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.pdp__details {
  margin-top: var(--space-7);
  border-top: var(--rule-ink);
}

.disclosure {
  border-bottom: var(--rule);
}

.disclosure__heading {
  margin: 0;
}

.disclosure__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  min-height: 56px;
  padding: var(--space-3) 0;
  text-align: left;
  color: var(--color-ink);
}

.disclosure__icon {
  flex: none;
}

.disclosure__panel {
  padding-bottom: var(--space-4);
}

.disclosure__panel .spec-list {
  border-top: 0;
}