:root {
  /* Ash Grey, Silver, Mauve Shadow, Vintage Grape, Midnight Violet */
  --wall: #bfc3ba;
  --wall-elevated: color-mix(in srgb, white 30%, #bfc3ba 70%);
  --ink: #2f2235;
  --graphite: #60495a;
  --line: color-mix(in srgb, #2f2235 25%, #bfc3ba 75%);
  --accent: #3f3244;
  --accent-soft: color-mix(in srgb, #3f3244 14%, transparent);
  --plaque-bg: #3f3244;
  --plaque-ink: #bfc3ba;
  --shadow: 0 24px 48px -28px rgba(47, 34, 53, 0.28);
  --radius: 3px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Space Mono', 'SF Mono', monospace;
  color-scheme: light;
}

:root[data-theme='dark'] {
  --wall: #2f2235;
  --wall-elevated: #3f3244;
  --ink: #bfc3ba;
  --graphite: #a9aca9;
  --line: color-mix(in srgb, #a9aca9 30%, #2f2235 70%);
  --accent: color-mix(in srgb, white 40%, #60495a 60%);
  --accent-soft: color-mix(in srgb, #60495a 22%, transparent);
  --plaque-bg: #60495a;
  --plaque-ink: #bfc3ba;
  --shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.65);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --wall: #2f2235;
    --wall-elevated: #3f3244;
    --ink: #bfc3ba;
    --graphite: #a9aca9;
    --line: color-mix(in srgb, #a9aca9 30%, #2f2235 70%);
    --accent: color-mix(in srgb, white 40%, #60495a 60%);
    --accent-soft: color-mix(in srgb, #60495a 22%, transparent);
    --plaque-bg: #60495a;
    --plaque-ink: #bfc3ba;
    --shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.65);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  margin: 0;
  background: var(--wall);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

/* Canvas grain — a faint woven texture over the wall, like raw linen */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--wall);
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Wall plaque — the museum-label motif shared by every catalog number */

.plaque {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--plaque-ink);
  background: var(--plaque-bg);
  padding: 0.22rem 0.55rem;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, white 12%, transparent);
}

.plaque::before,
.plaque::after {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--plaque-ink) 55%, transparent);
  flex-shrink: 0;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--wall) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem 1.1rem;
}

.site-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--graphite);
  transition: color 0.15s ease;
}

.back-link:hover {
  color: var(--accent);
}

.theme-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.theme-toggle:hover {
  background: var(--wall-elevated);
  border-color: var(--graphite);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-moon {
  display: none;
}

:root[data-theme='dark'] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme='dark'] .theme-toggle .icon-moon {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle .icon-sun {
    display: none;
  }
  :root:not([data-theme='light']) .theme-toggle .icon-moon {
    display: block;
  }
}

/* Hero — the featured work, hung like a placarded canvas */

.hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3.2rem 2rem 1rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: start;
}

@media (min-width: 860px) {
  .hero-inner {
    grid-template-columns: 1.5fr auto 1fr;
    gap: 0;
  }
}

.hero-frame {
  display: block;
  border-radius: var(--radius);
  background: var(--wall-elevated);
  border: 1px solid var(--line);
  padding: 0.7rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(16px);
  animation: hero-in 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) 0.05s forwards;
}

.hero-image {
  display: block;
  overflow: hidden;
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  background: var(--wall-elevated);
  border-radius: 2px;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hero-frame:hover .hero-image {
  transform: scale(1.015);
}

.hero-wire {
  display: none;
}

@media (min-width: 860px) {
  .hero-wire {
    display: block;
    width: 1px;
    height: 100%;
    min-height: 220px;
    margin: 2.6rem 2.4rem 0;
    background: linear-gradient(to bottom, var(--line), transparent);
    opacity: 0;
    animation: wire-in 0.9s ease 0.3s forwards;
  }
}

.hero-plate {
  padding-top: 0.4rem;
  opacity: 0;
  transform: translateY(10px);
  animation: hero-in 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) 0.25s forwards;
}

.hero-eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-catalog {
  margin: 0 0 1rem;
}

.hero-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.15;
}

.hero-meta {
  margin: 0 0 1.6rem;
  font-size: 0.85rem;
  color: var(--graphite);
}

.hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.15rem;
  transition: color 0.15s ease, border-color 0.15s ease, gap 0.15s ease;
}

.hero-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  gap: 0.6rem;
}

@keyframes hero-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes wire-in {
  to {
    opacity: 1;
  }
}

/* Tag filters */

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.4rem 2rem 1.4rem;
}

.tag-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--graphite);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

.tag-btn.active {
  background: var(--accent);
  color: var(--wall-elevated);
  border-color: var(--accent);
}

/* Gallery — masonry via CSS columns */

.gallery,
.gallery-skeleton {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.8rem 2rem 4rem;
  columns: 1;
  column-gap: 2rem;
}

@media (min-width: 640px) {
  .gallery,
  .gallery-skeleton {
    columns: 2;
  }
}

@media (min-width: 980px) {
  .gallery,
  .gallery-skeleton {
    columns: 3;
  }
}

@media (min-width: 1300px) {
  .gallery,
  .gallery-skeleton {
    columns: 4;
  }
}

.card {
  display: block;
  break-inside: avoid;
  margin-bottom: 2.4rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card-image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--wall-elevated);
  border-radius: var(--radius);
}

.card-no {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 1;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.card:hover .card-no,
.card:focus-visible .card-no {
  opacity: 1;
  transform: translateY(0);
}

.card-image-wrap img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.card-image-wrap img.loaded {
  opacity: 1;
}

.card:hover .card-image-wrap img {
  transform: scale(1.02);
}

.card-image-wrap .placeholder {
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--graphite);
  font-size: 0.78rem;
  border: 1px dashed var(--line);
}

.card-caption {
  padding: 0.85rem 0.1rem 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  font-weight: 500;
}

.card-date {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--graphite);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.card-tags {
  margin-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag-chip {
  font-size: 0.68rem;
  color: var(--graphite);
  letter-spacing: 0.02em;
}

.tag-chip::after {
  content: '·';
  margin-left: 0.35rem;
  color: var(--line);
}

.tag-chip:last-child::after {
  content: '';
  margin: 0;
}

/* Skeleton loading */

.skeleton-tile {
  break-inside: avoid;
  margin-bottom: 2.4rem;
  aspect-ratio: 1 / calc(1.1 * var(--h, 1));
  border-radius: var(--radius);
  background: linear-gradient(100deg, var(--line) 30%, color-mix(in srgb, var(--line) 60%, transparent) 50%, var(--line) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.empty-message {
  text-align: center;
  color: var(--graphite);
  padding: 4rem 2rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

/* Detail page (single artwork) */

.detail-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.6rem 2rem 5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
}

@media (min-width: 900px) {
  .detail-main {
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
  }
}

.detail-image-wrap {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--wall-elevated);
  box-shadow: var(--shadow);
  padding: 0.7rem;
}

.detail-image-btn {
  display: block;
  width: 100%;
  overflow: hidden;
  border: none;
  border-radius: 2px;
  padding: 0;
  margin: 0;
  background: none;
  cursor: zoom-in;
}

.detail-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 82vh;
  object-fit: contain;
  background: var(--wall-elevated);
}

.detail-body {
  padding-top: 0.2rem;
}

.detail-catalog {
  margin: 0 0 1rem;
}

.detail-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.2;
}

.detail-meta {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--graphite);
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.8rem;
}

.detail-tags .tag-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}

.detail-tags .tag-chip::after {
  content: '';
  margin: 0;
}

.detail-text {
  white-space: pre-wrap;
  line-height: 1.75;
  color: var(--ink);
  font-size: 0.98rem;
  margin: 0 0 2.6rem;
  max-width: 46ch;
}

.detail-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
}

.detail-nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--graphite);
  transition: color 0.15s ease;
}

.detail-nav-link:hover {
  color: var(--accent);
}

.detail-nav-link[aria-disabled='true'] {
  pointer-events: none;
  opacity: 0.35;
}

/* Zoom overlay — click the artwork to inspect it closer */

.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3vh 3vw;
  background: color-mix(in srgb, var(--wall) 12%, #000 88%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: zoom-out;
  animation: fade-in 0.2s ease;
}

.zoom-overlay[hidden] {
  display: none;
}

.zoom-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.6);
  animation: zoom-in 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes zoom-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}