/* Shared CSS sculpture gallery — discovery rail, hub, prev/next */

.sculpture-rail {
  max-width: var(--max-width);
  margin: 0 auto 1.75rem;
  padding: 0.85rem 0.95rem 1rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
}

.sculpture-rail__label {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cipher-accent);
}

.sculpture-rail__track {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 0.15rem;
}

.sculpture-rail__track a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 999px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  background: color-mix(in srgb, var(--color-bg) 45%, transparent);
}

.sculpture-rail__track a:hover,
.sculpture-rail__track a:focus-visible {
  border-color: var(--color-link);
  color: var(--color-link);
}

.sculpture-rail__track a[aria-current="page"] {
  border-color: var(--color-link);
  background: color-mix(in srgb, var(--color-link) 16%, transparent);
  color: var(--color-link);
}

.sculpture-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.65rem;
  max-width: var(--max-width);
  margin: 0 auto 2rem;
}

.sculpture-pager a {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-surface);
  min-width: min(100%, 12rem);
}

.sculpture-pager a span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.sculpture-pager a strong {
  font-size: 0.95rem;
}

.sculpture-pager a:hover,
.sculpture-pager a:focus-visible {
  border-color: var(--color-link);
  color: var(--color-link);
}

.sculpture-pager a:last-child {
  margin-left: auto;
  text-align: right;
}

.sculpture-hub {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: minmax(0, 1fr);
  max-width: var(--max-width);
  margin: 0 auto 2.5rem;
}

@media (min-width: 720px) {
  .sculpture-hub {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.sculpture-hub__card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0.9rem 0.95rem 1.05rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 1rem;
  background: var(--color-surface);
  text-decoration: none;
  color: inherit;
  min-width: 0;
  transition: border-color 180ms ease, transform 180ms ease;
}

.sculpture-hub__card:hover,
.sculpture-hub__card:focus-visible {
  border-color: var(--color-link);
  transform: translateY(-2px);
  color: inherit;
}

.sculpture-hub__card h2 {
  margin: 0;
  font-size: 1.2rem;
}

.sculpture-hub__card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.sculpture-hub__thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 0.7rem;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--gold, #e2b15a) 22%, var(--color-panel-outline));
  background: #03050a;
  position: relative;
}

.thumb-chy,
.thumb-p7,
.thumb-oct,
.thumb-para {
  position: absolute;
  inset: 0;
}

.thumb-chy {
  background:
    repeating-conic-gradient(from 0deg, transparent 0 16deg, rgba(122, 212, 255, 0.22) 16deg 21deg),
    radial-gradient(circle at 50% 50%, #e2b15a 0 8%, transparent 9%),
    repeating-linear-gradient(36deg, transparent 0 10px, rgba(226, 177, 90, 0.15) 10px 11px),
    #071018;
  animation: sculp-spin 28s linear infinite;
}

.thumb-p7 {
  background:
    repeating-conic-gradient(from 0deg, transparent 0 41deg, rgba(255, 107, 74, 0.45) 41deg 51.4deg),
    radial-gradient(circle at 50% 50%, #ff8a4a 0 7%, #140808 48%);
  border-radius: 50%;
  inset: 10%;
  animation: sculp-spin 22s linear infinite;
}

.thumb-oct {
  background:
    linear-gradient(135deg, transparent 42%, rgba(130, 210, 255, 0.4) 43% 57%, transparent 58%),
    linear-gradient(45deg, transparent 42%, rgba(226, 177, 90, 0.35) 43% 57%, transparent 58%),
    #0c1420;
  box-shadow: inset 0 0 0 2px rgba(130, 210, 255, 0.35);
  animation: sculp-pulse 7s ease-in-out infinite;
}

.thumb-para {
  background:
    radial-gradient(circle at 50% 50%, #7dffb3 0 5%, transparent 6%),
    repeating-conic-gradient(from 0deg, transparent 0 9deg, rgba(125, 255, 179, 0.2) 9deg 10.6deg),
    #0a1612;
  animation: sculp-spin 40s linear infinite;
}

@keyframes sculp-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes sculp-pulse {
  0%,
  100% {
    transform: scale(0.94);
  }
  50% {
    transform: scale(1.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .thumb-chy,
  .thumb-p7,
  .thumb-oct,
  .thumb-para {
    animation: none !important;
  }
}

.sculpture-hub__meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cipher-accent);
  margin: 0;
}

@media (max-width: 640px) {
  .sculpture-rail {
    margin-left: 0;
    margin-right: 0;
  }

  .sculpture-pager a {
    flex: 1 1 100%;
    text-align: left;
    margin-left: 0;
  }
}