/* Collection hub (index) + collection subpages */
#collection-hub {
  scroll-margin-top: 1.25rem;
}

.collection-back {
  margin: 0 0 1rem;
  font-size: 0.92rem;
}

.collection-back a {
  color: var(--nav-link);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 138, 98, 0.35);
}

.collection-back a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.collection-hub {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

@media (min-width: 600px) {
  .collection-hub {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 1.25rem;
  }
}

@media (min-width: 900px) {
  .collection-hub {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem 1.25rem;
  }
}

.collection-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 0;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--frame-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.2s ease;
}

.collection-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: rgba(31, 138, 98, 0.28);
  transform: translateY(-2px);
}

.collection-card:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.collection-card__name {
  display: block;
  padding: 0.9rem 1.1rem 0.5rem;
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text);
  border-bottom: 1px solid var(--frame-border);
  background: var(--mat);
}

.collection-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--mat);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.collection-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

.collection-card:hover .collection-card__media img {
  transform: scale(1.04);
}

.collection-intro {
  margin-bottom: 1.75rem;
}

.collection-intro p {
  margin: 0;
  max-width: none;
}

.collection-intro p + p {
  margin-top: 0.85rem;
}

.collection-description {
  margin-bottom: 1.75rem;
}

.collection-description > p:first-of-type {
  margin: 0;
  max-width: none;
}

.collection-description > p + p:not(.collection-description__commission) {
  margin-top: 0.85rem;
}

.collection-description > .collection-description__commission.artwork-contact {
  margin-top: 1.05rem;
}

.collection-description__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s ease;
}

[data-read-more-expanded="true"] .collection-description__panel {
  grid-template-rows: 1fr;
}

.collection-description__panel-inner {
  min-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  padding-top: 0.85rem;
  transition: opacity 0.42s ease, visibility 0.42s ease;
}

[data-read-more-expanded="true"] .collection-description__panel-inner {
  opacity: 1;
  visibility: visible;
}

.collection-description__panel-inner p {
  margin: 0;
  max-width: none;
}

.collection-description__panel-inner p + p {
  margin-top: 0.85rem;
}

.collection-description__toggle {
  appearance: none;
  margin: 0.55rem 0 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.95rem;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.2em;
  cursor: pointer;
  transition:
    color 0.18s ease,
    text-decoration-color 0.18s ease;
}

.collection-description__toggle:hover {
  color: var(--text);
  text-decoration-color: color-mix(in srgb, var(--muted) 45%, transparent);
}

.collection-description__toggle:focus-visible {
  outline: none;
}

.collection-description__toggle:focus-visible,
.collection-description__toggle:focus-visible:hover {
  color: var(--text);
  box-shadow: none;
}

.collection-description__toggle:focus-visible {
  text-decoration: underline;
  text-decoration-color: currentColor;
}

@media (prefers-reduced-motion: reduce) {
  .collection-description__panel,
  .collection-description__panel-inner {
    transition: none;
  }
}

.gallery-available-empty {
  margin: 0;
  font-size: 1.02rem;
  color: var(--muted);
}

/* Private grid: lightbox button instead of raw img */
#gallery-private .gallery-item__media {
  position: relative;
}

.gallery-lightbox-trigger {
  appearance: none;
  border: 0;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  cursor: zoom-in;
  background: transparent;
  line-height: 0;
}

.gallery-lightbox-trigger img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.35s ease;
}

#gallery-private .image-grid figure:hover .gallery-lightbox-trigger img,
#gallery-private .image-grid figure .gallery-lightbox-trigger:hover img {
  transform: scale(1.04);
}

#gallery-private .image-grid figure .gallery-lightbox-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Open full view with horizontal scroll (see gallery-lightbox.js) */
.gallery-available .artwork-slide img {
  cursor: zoom-in;
}

/* Available works: story clipped to image-frame height; expand with fade */
.gallery-available .artwork-notes.artwork-notes--read-more {
  position: relative;
}

.artwork-notes--read-more__viewport {
  overflow: hidden;
  max-height: var(--artwork-notes-cap, min(42vh, 14rem));
  transition: max-height 0.46s ease;
}

.artwork-notes--read-more:not([data-notes-expanded="true"]) .artwork-notes--read-more__viewport {
  -webkit-mask-image: linear-gradient(
    to bottom,
    #000 0,
    #000 calc(100% - 3.4rem),
    rgba(0, 0, 0, 0.1) 100%
  );
  mask-image: linear-gradient(
    to bottom,
    #000 0,
    #000 calc(100% - 3.4rem),
    rgba(0, 0, 0, 0.1) 100%
  );
}

.artwork-notes--read-more[data-notes-expanded="true"] .artwork-notes--read-more__viewport {
  -webkit-mask-image: none;
  mask-image: none;
}

.artwork-notes--read-more__inner p {
  margin: 0;
  max-width: none;
}

.gallery-available .detail__text .artwork-notes--read-more__inner p + p {
  margin-top: 1.15rem;
}

.artwork-notes--read-more__toggle {
  appearance: none;
  margin: 0.6rem 0 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.95rem;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.2em;
  cursor: pointer;
  transition:
    color 0.18s ease,
    text-decoration-color 0.18s ease;
}

.artwork-notes--read-more__toggle:hover {
  color: var(--text);
  text-decoration-color: color-mix(in srgb, var(--muted) 45%, transparent);
}

.artwork-notes--read-more__toggle:focus-visible {
  outline: none;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: currentColor;
}

@keyframes artwork-notes-fade-inner {
  from {
    opacity: 0.65;
  }
  to {
    opacity: 1;
  }
}

.artwork-notes--read-more__inner--pulse {
  animation: artwork-notes-fade-inner 0.48s ease-out forwards;
}

@media (prefers-reduced-motion: reduce) {
  .artwork-notes--read-more__viewport {
    transition: none;
  }

  .artwork-notes--read-more__inner--pulse {
    animation: none;
  }
}