:root {
  --museum-accent: #c9a96e;
  --museum-paper: #ded7cc;
}

.museum-shell {
  --museum-accent: #c9a96e;
  min-height: 70vh;
}

.museum-home-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 56px;
  align-items: end;
  min-height: 410px;
  margin-bottom: 72px;
  padding: 42px 0 54px;
  border-bottom: 1px solid var(--border);
}

.museum-home-hero::before {
  content: '';
  position: absolute;
  top: 8%;
  right: 2%;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 110, .12), transparent 68%);
  filter: blur(8px);
  pointer-events: none;
}

.museum-overline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--museum-accent);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.museum-overline::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
}

.museum-display-title {
  max-width: 700px;
  color: var(--accent);
  font: 700 clamp(46px, 7vw, 82px)/.93 var(--font-serif);
  letter-spacing: -.05em;
}

.museum-display-title em {
  color: var(--museum-accent);
  font-weight: 400;
}

.museum-lead {
  max-width: 620px;
  margin-top: 24px;
  color: var(--fg-mid);
  font-size: 14px;
  line-height: 1.85;
}

.museum-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(19, 18, 16, .76);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.museum-stat {
  min-height: 112px;
  padding: 22px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.museum-stat:nth-child(2n) { border-right: 0; }
.museum-stat:nth-last-child(-n+2) { border-bottom: 0; }
.museum-stat strong {
  display: block;
  margin-bottom: 5px;
  color: var(--accent);
  font: 500 30px/1 var(--font-serif);
}

.museum-stat span {
  color: var(--fg-dim);
  font-size: 9px;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.museum-section {
  margin-bottom: 72px;
}

.museum-section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.museum-section-head h2 {
  color: var(--accent);
  font: 500 30px/1.15 var(--font-serif);
}

.museum-section-head p {
  max-width: 480px;
  color: var(--fg-mid);
  font-size: 12px;
  line-height: 1.7;
  text-align: right;
}

.museum-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 26px;
}

.museum-search {
  position: relative;
}

.museum-search svg {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 16px;
  height: 16px;
  color: var(--fg-mid);
  transform: translateY(-50%);
  pointer-events: none;
}

.museum-search input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 16px 0 44px;
  background: var(--bg2);
  color: var(--accent);
  font: 400 13px/1 var(--font-sans);
  outline: none;
}

.museum-search input:focus {
  border-color: color-mix(in srgb, var(--museum-accent) 60%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--museum-accent) 10%, transparent);
}

.museum-result-count {
  color: var(--fg-mid);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.collection-card {
  --card-accent: var(--museum-accent);
  position: relative;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg2);
  overflow: hidden;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 280ms cubic-bezier(.2,.8,.2,1), border-color 200ms ease, box-shadow 280ms ease;
}

.collection-card:hover {
  border-color: color-mix(in srgb, var(--card-accent) 45%, var(--border));
  box-shadow: 0 28px 60px rgba(0, 0, 0, .32);
  transform: translateY(-7px) rotateX(1deg) rotateY(-1deg);
}

.collection-card:focus-visible,
.artwork-card:focus-visible,
.subject-result:focus-visible {
  outline: 2px solid var(--card-accent, var(--museum-accent));
  outline-offset: 3px;
}

.collection-cover {
  position: relative;
  height: 310px;
  background: #080807;
  overflow: hidden;
}

.collection-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(.85) contrast(1.03);
  transition: transform 700ms cubic-bezier(.2,.8,.2,1), filter 300ms ease;
}

.collection-card:hover .collection-cover img {
  filter: saturate(1.02) contrast(1.04);
  transform: scale(1.045);
}

.collection-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 42%, rgba(9, 8, 7, .88)),
    linear-gradient(120deg, color-mix(in srgb, var(--card-accent) 16%, transparent), transparent 45%);
}

.collection-index,
.collection-count {
  position: absolute;
  z-index: 1;
  top: 14px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  padding: 6px 9px;
  background: rgba(8, 8, 7, .62);
  color: rgba(255, 255, 255, .68);
  font-size: 9px;
  letter-spacing: .1em;
  backdrop-filter: blur(9px);
}

.collection-index { left: 14px; }
.collection-count { right: 14px; }
.collection-body { min-height: 176px; padding: 20px; }
.collection-movement {
  display: block;
  margin-bottom: 9px;
  color: var(--card-accent);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.collection-body h3 {
  color: var(--accent);
  font: 500 22px/1.12 var(--font-serif);
  letter-spacing: -.01em;
}

.collection-artist {
  display: block;
  margin-top: 7px;
  color: var(--fg-mid);
  font-size: 11px;
}

.collection-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  color: var(--fg-dim);
  font-size: 9px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.collection-footer b {
  color: var(--card-accent);
  font-size: 15px;
  font-weight: 400;
  transition: transform 180ms ease;
}

.collection-card:hover .collection-footer b { transform: translateX(4px); }

.subject-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.subject-result {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 15px;
  background: var(--bg2);
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease;
}

.subject-result:hover {
  border-color: color-mix(in srgb, var(--museum-accent) 40%, var(--border));
  transform: translateY(-2px);
}

.subject-result strong {
  display: block;
  overflow: hidden;
  color: var(--accent);
  font: 500 15px/1.3 var(--font-serif);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.subject-result span {
  display: block;
  margin-top: 6px;
  color: var(--fg-dim);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.museum-empty {
  grid-column: 1 / -1;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 56px 24px;
  color: var(--fg-mid);
  text-align: center;
}

/* Collection room */
.museum-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 34px;
  color: var(--fg-dim);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.museum-breadcrumbs button {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.museum-breadcrumbs button:hover { color: var(--museum-accent); }
.museum-breadcrumbs i { color: var(--border); font-style: normal; }

.collection-hero {
  --museum-accent: #c9a96e;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, .78fr);
  gap: 56px;
  align-items: center;
  min-height: 480px;
  margin-bottom: 72px;
}

.collection-hero h1,
.subject-hero h1 {
  max-width: 720px;
  color: var(--accent);
  font: 700 clamp(44px, 7vw, 76px)/.95 var(--font-serif);
  letter-spacing: -.05em;
}

.collection-hero h1 em {
  display: block;
  margin-top: 8px;
  color: var(--museum-accent);
  font-size: .55em;
  font-weight: 400;
}

.collection-description {
  max-width: 610px;
  margin-top: 24px;
  color: var(--fg-mid);
  font-size: 14px;
  line-height: 1.85;
}

.collection-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.museum-chip {
  border: 1px solid color-mix(in srgb, var(--museum-accent) 25%, var(--border));
  border-radius: 999px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--museum-accent) 6%, transparent);
  color: color-mix(in srgb, var(--museum-accent) 75%, var(--fg));
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.museum-frame-scene {
  position: relative;
  min-height: 430px;
  perspective: 1000px;
}

.museum-frame-scene::before {
  content: '';
  position: absolute;
  inset: 15% 5% 5%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--museum-accent) 17%, transparent), transparent 67%);
  filter: blur(18px);
}

.museum-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 262px;
  height: 330px;
  padding: 12px;
  border: 8px solid #25211c;
  outline: 1px solid color-mix(in srgb, var(--museum-accent) 30%, #111);
  background: #111;
  box-shadow: 22px 34px 58px rgba(0, 0, 0, .42);
  transform: translate(-50%, -50%) rotateY(-11deg) rotateX(2deg);
  transform-style: preserve-3d;
  animation: frame-float 7s ease-in-out infinite;
}

.museum-frame::before {
  content: '';
  position: absolute;
  inset: -16px;
  border: 1px solid rgba(255, 255, 255, .045);
  transform: translateZ(-12px);
}

.museum-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.museum-frame-plaque {
  position: absolute;
  left: 50%;
  bottom: 12px;
  min-width: 180px;
  border: 1px solid color-mix(in srgb, var(--museum-accent) 32%, var(--border));
  border-radius: 5px;
  padding: 9px 12px;
  background: rgba(13, 12, 11, .9);
  color: var(--fg-mid);
  font-size: 9px;
  letter-spacing: .1em;
  text-align: center;
  text-transform: uppercase;
  transform: translateX(-50%);
  backdrop-filter: blur(10px);
}

.museum-floor {
  position: absolute;
  left: 3%;
  right: 3%;
  bottom: 0;
  height: 42%;
  background:
    linear-gradient(color-mix(in srgb, var(--museum-accent) 12%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--museum-accent) 12%, transparent) 1px, transparent 1px);
  background-size: 34px 34px;
  transform: rotateX(70deg);
  transform-origin: center bottom;
  mask-image: linear-gradient(to top, #000, transparent);
}

@keyframes frame-float {
  0%, 100% { transform: translate(-50%, -50%) rotateY(-11deg) rotateX(2deg) translateY(0); }
  50% { transform: translate(-50%, -50%) rotateY(-5deg) rotateX(1deg) translateY(-9px); }
}

.artwork-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.artwork-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.artwork-card {
  --card-accent: var(--museum-accent);
  position: relative;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg2);
  overflow: hidden;
  cursor: pointer;
  transition: transform 220ms ease, border-color 180ms ease, box-shadow 220ms ease;
}

.artwork-card:hover {
  border-color: color-mix(in srgb, var(--card-accent) 42%, var(--border));
  box-shadow: 0 20px 45px rgba(0, 0, 0, .28);
  transform: translateY(-5px);
}

.artwork-image {
  aspect-ratio: 1122 / 1402;
  background: #080807;
  overflow: hidden;
}

.artwork-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: .88;
  transition: transform 500ms cubic-bezier(.2,.8,.2,1), opacity 200ms ease;
}

.artwork-card:hover .artwork-image img { opacity: 1; transform: scale(1.035); }
.artwork-info { min-height: 98px; padding: 14px; }
.artwork-info h3 {
  overflow: hidden;
  color: var(--accent);
  font: 500 15px/1.3 var(--font-serif);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artwork-info span {
  display: block;
  margin-top: 7px;
  color: var(--fg-dim);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Artwork detail */
.artwork-detail {
  --museum-accent: #c9a96e;
}

.artwork-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .65fr);
  gap: 52px;
  align-items: start;
}

.artwork-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 720px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 34px;
  background:
    radial-gradient(circle at 50% 34%, color-mix(in srgb, var(--museum-accent) 10%, transparent), transparent 42%),
    #080807;
  overflow: hidden;
}

.artwork-stage::after {
  content: '';
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: -12%;
  height: 32%;
  background:
    linear-gradient(color-mix(in srgb, var(--museum-accent) 8%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--museum-accent) 8%, transparent) 1px, transparent 1px);
  background-size: 38px 38px;
  transform: rotateX(64deg);
}

.artwork-expand {
  position: relative;
  z-index: 2;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
}
.artwork-expand span {
  position: absolute;
  z-index: 3;
  right: 14px;
  bottom: 14px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  padding: 8px 11px;
  background: rgba(5,5,5,.82);
  color: #fff;
  font-size: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}
.artwork-expand:hover span,
.artwork-expand:focus-visible span { border-color: var(--museum-accent); color: var(--museum-accent); }

.artwork-stage img {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 100%;
  max-height: 650px;
  border: 10px solid #25211d;
  outline: 1px solid color-mix(in srgb, var(--museum-accent) 28%, #111);
  box-shadow: 0 34px 70px rgba(0, 0, 0, .48);
}

.artwork-panel {
  position: sticky;
  top: 26px;
  padding-top: 18px;
}

.artwork-panel h1 {
  color: var(--accent);
  font: 700 clamp(38px, 5vw, 62px)/.98 var(--font-serif);
  letter-spacing: -.045em;
}

.artwork-attribution {
  margin-top: 18px;
  color: var(--museum-accent);
  font: 400 18px/1.4 var(--font-serif);
  font-style: italic;
}

.artwork-description {
  margin-top: 22px;
  color: var(--fg-mid);
  font-size: 13px;
  line-height: 1.8;
}

.artwork-data {
  display: grid;
  margin-top: 28px;
  border-top: 1px solid var(--border);
}

.artwork-data-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}

.artwork-data-row dt {
  color: var(--fg-dim);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.artwork-data-row dd { color: var(--fg-mid); }
.museum-action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.museum-action {
  border: 1px solid color-mix(in srgb, var(--museum-accent) 25%, var(--border));
  border-radius: 9px;
  padding: 12px;
  background: color-mix(in srgb, var(--museum-accent) 5%, transparent);
  color: var(--museum-accent);
  font: 500 9px/1 var(--font-sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.museum-action:hover { background: color-mix(in srgb, var(--museum-accent) 10%, transparent); }

.artwork-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.artwork-nav button {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 14px;
  background: transparent;
  color: var(--fg-mid);
  font: 400 10px/1.4 var(--font-sans);
  text-align: left;
  cursor: pointer;
}

.artwork-nav button:last-child { text-align: right; }
.artwork-nav button:hover { border-color: color-mix(in srgb, var(--museum-accent) 35%, var(--border)); color: var(--accent); }

/* Subject route */
.subject-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 52px;
  padding: 22px 0 42px;
  border-bottom: 1px solid var(--border);
}

.subject-lifespan {
  display: inline-block;
  margin-top: 16px;
  color: var(--museum-accent);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.subject-bio {
  max-width: 650px;
  margin-top: 18px;
  color: var(--fg-mid);
  font-size: 13px;
  line-height: 1.8;
}

.subject-count-badge {
  min-width: 150px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  background: var(--bg2);
  text-align: center;
}

.subject-count-badge strong {
  display: block;
  color: var(--accent);
  font: 500 36px/1 var(--font-serif);
}

.subject-count-badge span {
  display: block;
  margin-top: 8px;
  color: var(--fg-dim);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .museum-home-hero,
  .collection-hero,
  .artwork-detail-grid { grid-template-columns: 1fr; }
  .museum-home-hero { gap: 32px; }
  .museum-stats { max-width: 600px; }
  .collection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .artwork-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .subject-preview-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .museum-frame-scene { min-height: 390px; }
  .artwork-panel { position: relative; top: auto; }
  .artwork-stage { min-height: 620px; }
}

@media (max-width: 680px) {
  .museum-home-hero { min-height: auto; margin-bottom: 54px; padding-top: 10px; }
  .museum-display-title { font-size: 52px; }
  .museum-toolbar,
  .artwork-toolbar { grid-template-columns: 1fr; }
  .museum-section-head { display: block; }
  .museum-section-head p { margin-top: 10px; text-align: left; }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-cover { height: 360px; }
  .subject-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collection-hero { min-height: auto; gap: 18px; margin-bottom: 48px; }
  .collection-hero h1,
  .subject-hero h1 { font-size: 46px; }
  .museum-frame-scene { min-height: 340px; transform: scale(.9); }
  .artwork-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .artwork-info { min-height: 88px; padding: 11px; }
  .artwork-stage { min-height: 480px; padding: 18px; }
  .artwork-stage img { max-height: 440px; border-width: 7px; }
  .subject-hero { grid-template-columns: 1fr; }
  .subject-count-badge { width: 100%; }
  .museum-action-row,
  .artwork-nav { grid-template-columns: 1fr; }
  .artwork-nav button:last-child { text-align: left; }
}

@media (max-width: 420px) {
  .museum-stats { grid-template-columns: 1fr; }
  .museum-stat { border-right: 0; }
  .museum-stat:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .museum-stat:last-child { border-bottom: 0; }
  .collection-cover { height: 330px; }
  .subject-preview-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .museum-frame { animation: none; }
  .collection-card,
  .collection-cover img,
  .artwork-card,
  .artwork-image img { transition: none; }
}