/* ============================
   ART PAGE
   ============================ */

/* ---- Page Header ---- */
.art-header {
  padding: 80px 80px 48px;
  max-width: var(--container-max);
  margin-inline: auto;
}

.art-headline {
  font-family: var(--font-primary);
  font-size: clamp(56px, 8vw, 100px);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--foreground);
  margin: 0;
}

.art-subhead {
  font-family: var(--font-secondary);
  font-size: 16px;
  color: var(--muted-foreground);
  line-height: 1.6;
  max-width: 600px;
  margin-top: var(--spacing-l);
}

.art-header-glitch {
  margin-top: var(--spacing-xl);
}

/* ---- Shared section title ---- */
.art-section-title {
  font-family: var(--font-primary);
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--foreground);
  margin: 0;
}

.art-subsection-header {
  margin-bottom: var(--spacing-xl);
}

/* ---- Divider ---- */
.art-divider {
  max-width: var(--container-max);
  margin-inline: auto;
  height: 1px;
  background-color: var(--border);
}

/* ---- 3D Section ---- */
.art-3d-section {
  padding: 64px 80px 80px;
  max-width: var(--container-max);
  margin-inline: auto;
}

/* ---- Model Viewer ---- */
.art-viewer-wrap {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary);
}

.art-model-viewer {
  width: 100%;
  height: 560px;
  display: block;
  --poster-color: #111111;
}

.art-model-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 48px var(--spacing-xl) var(--spacing-l);
  background: linear-gradient(to top, rgba(8, 8, 8, 0.9) 0%, transparent 100%);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

.art-model-name {
  font-family: var(--font-primary);
  font-size: 22px;
  color: var(--foreground);
  line-height: 1.1;
}

.art-model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-s);
}

/* ---- Thumbnail Strip ---- */
.art-thumb-strip {
  display: flex;
  gap: var(--spacing-s);
  overflow-x: auto;
  padding: var(--spacing-m) 0 var(--spacing-s);
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-surface);
}

.art-thumb-strip::-webkit-scrollbar {
  height: 2px;
}

.art-thumb-strip::-webkit-scrollbar-track {
  background: var(--bg-surface);
}

.art-thumb-strip::-webkit-scrollbar-thumb {
  background-color: var(--primary);
}

.art-thumb {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 108px;
  padding: 0;
  border: 2px solid var(--border);
  background: var(--bg-surface);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.art-thumb:hover {
  border-color: var(--muted-foreground);
}

.art-thumb--active {
  border-color: var(--primary);
}

.art-thumb img {
  width: 108px;
  height: 80px;
  object-fit: cover;
  display: block;
}

.art-thumb-label {
  font-family: var(--font-secondary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  padding: 6px 8px 8px;
  text-align: center;
  line-height: 1.3;
  width: 100%;
}

.art-thumb--active .art-thumb-label {
  color: var(--primary);
}

/* Placeholder thumb — no image yet */
.art-thumb--placeholder {
  cursor: default;
  border-style: dashed;
}

.art-thumb--placeholder:hover {
  border-color: var(--border);
}

.art-thumb-img-placeholder {
  width: 108px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  color: var(--border);
}

.art-thumb-img-placeholder svg {
  width: 28px;
  height: 28px;
}

/* ---- 2D Art Sections ---- */
.art-2d-section {
  padding: 64px 80px;
  max-width: var(--container-max);
  margin-inline: auto;
}

.art-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-m);
  margin-top: var(--spacing-xl);
}

/* Art piece card — clickable, opens lightbox */
.art-piece {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--border);
  border-top: 4px solid var(--border);
  background: var(--bg-surface);
  cursor: pointer;
  padding: 0;
  transition: border-color 0.2s ease, border-top-color 0.2s ease;
}

.art-piece:hover {
  border-color: var(--primary);
  border-top-color: var(--primary);
}

.art-piece:hover .art-piece-hover {
  opacity: 1;
}

.art-piece:hover img {
  transform: scale(1.04);
}

.art-piece img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.art-piece-hover {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8, 8, 8, 0.88) 0%,
    rgba(8, 8, 8, 0.2) 55%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-m);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.art-piece-title {
  font-family: var(--font-primary);
  font-size: 16px;
  color: var(--foreground);
  line-height: 1.2;
}

.art-piece-category {
  font-family: var(--font-secondary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-top: 4px;
}

/* Placeholder art piece — no image yet */
.art-piece--placeholder {
  cursor: default;
  border-style: dashed;
  border-top-style: solid;
  border-top-color: var(--border);
}

.art-piece--placeholder:hover {
  border-color: var(--border);
  border-top-color: var(--border);
}

.art-piece--placeholder:hover img {
  transform: none;
}

.art-piece-placeholder-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-s);
  background: var(--bg-elevated);
  color: var(--border);
}

.art-piece-placeholder-inner svg {
  width: 32px;
  height: 32px;
}

.art-piece-placeholder-inner span {
  font-family: var(--font-secondary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---- Lightbox ---- */
.art-lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-l);
}

.art-lightbox[hidden] {
  display: none;
}

.art-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.96);
}

.art-lightbox-close {
  position: absolute;
  top: var(--spacing-l);
  right: var(--spacing-l);
  z-index: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.art-lightbox-close:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.art-lightbox-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-m);
  max-width: min(90vw, 1200px);
}

.art-lightbox-img {
  max-width: 100%;
  max-height: 76vh;
  object-fit: contain;
  display: block;
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary);
}

.art-lightbox-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

.art-lightbox-title {
  font-family: var(--font-primary);
  font-size: 20px;
  color: var(--foreground);
}

.art-lightbox-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-s);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .art-header {
    padding: 60px 40px 40px;
  }

  .art-3d-section {
    padding: 48px 40px 64px;
  }

  .art-2d-section {
    padding: 48px 40px;
  }

  .art-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .art-header {
    padding: 48px var(--spacing-l) 32px;
  }

  .art-3d-section {
    padding: 40px var(--spacing-l) 48px;
  }

  .art-2d-section {
    padding: 40px var(--spacing-l);
  }

  .art-model-viewer {
    height: 360px;
  }
}

@media (max-width: 480px) {
  .art-grid {
    grid-template-columns: 1fr;
  }

  .art-lightbox-img {
    max-height: 65vh;
  }
}