:root {
  --detail-bg: #080808;
  --detail-surface: #0d0d0c;
  --detail-surface-raised: #121210;
  --detail-text: #f2f0eb;
  --detail-muted: #aaa69e;
  --detail-faint: #716e68;
  --detail-line: rgba(242, 240, 235, 0.18);
  --detail-line-strong: rgba(242, 240, 235, 0.32);
  --detail-accent: #d0a45a;
  --detail-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --detail-sans: Inter, 'Helvetica Neue', Arial, sans-serif;
  --ath-bg: var(--detail-bg);
  --ath-surface: var(--detail-surface);
  --ath-surface-raised: var(--detail-surface-raised);
  --ath-text: var(--detail-text);
  --ath-muted: var(--detail-muted);
  --ath-faint: var(--detail-faint);
  --ath-line: var(--detail-line);
  --ath-line-strong: var(--detail-line-strong);
  --ath-accent: var(--detail-accent);
  --ath-mono: var(--detail-mono);
  --ath-sans: var(--detail-sans);
  color-scheme: dark;
}

html {
  background: var(--detail-bg);
  scroll-behavior: smooth;
}

.detail-exhibit {
  overflow-x: clip;
  background: var(--detail-bg);
  color: var(--detail-text);
  font-family: var(--detail-sans);
  font-size: 16px;
  line-height: 1.6;
}

body.is-leaving {
  opacity: 0;
  transition: opacity 0.16s ease;
}

:focus-visible {
  outline: 2px solid var(--detail-accent);
  outline-offset: 4px;
}

.detail-page,
.ath-page {
  width: min(88rem, calc(100% - 7rem));
  margin-inline: auto;
}

.detail-skip,
.ath-skip {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 3000;
  padding: 0.7rem 0.9rem;
  background: var(--detail-text);
  color: var(--detail-bg);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.detail-skip:focus,
.ath-skip:focus {
  transform: translateY(0);
}

.detail-nav,
.exhibit-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: 4.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2.25rem;
  background: rgba(8, 8, 8, 0.92);
  border-bottom: 1px solid rgba(242, 240, 235, 0.12);
}

.detail-nav__mark,
.exhibit-nav__mark {
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--detail-line);
  font-weight: 800;
  letter-spacing: -0.06em;
}

.detail-nav__mark:hover,
.exhibit-nav__mark:hover {
  border-color: var(--detail-accent);
}

.detail-nav__context,
.exhibit-nav__context {
  color: var(--detail-accent);
  font: 600 0.65rem/1 var(--detail-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.detail-nav__desktop,
.exhibit-nav__desktop {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 3rem);
  margin-left: auto;
}

.detail-nav__desktop a,
.detail-nav__mobile a,
.detail-nav__mobile summary,
.exhibit-nav__desktop a,
.exhibit-nav__mobile a,
.exhibit-nav__mobile summary {
  color: var(--detail-muted);
  font: 600 0.7rem/1 var(--detail-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.detail-nav__desktop a,
.exhibit-nav__desktop a {
  position: relative;
  padding: 0.55rem 0;
}

.detail-nav__desktop a::after,
.exhibit-nav__desktop a::after {
  content: '';
  position: absolute;
  right: 100%;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--detail-accent);
  transition: right 0.22s ease;
}

.detail-nav__desktop a:hover,
.exhibit-nav__desktop a:hover {
  color: var(--detail-text);
}

.detail-nav__desktop a:hover::after,
.exhibit-nav__desktop a:hover::after {
  right: 0;
}

.detail-nav__mobile,
.exhibit-nav__mobile {
  display: none;
  position: relative;
  margin-left: auto;
}

.detail-nav__mobile summary,
.exhibit-nav__mobile summary {
  color: var(--detail-text);
  cursor: pointer;
  list-style: none;
}

.detail-nav__mobile summary::-webkit-details-marker,
.exhibit-nav__mobile summary::-webkit-details-marker {
  display: none;
}

.detail-nav__mobile > div,
.exhibit-nav__mobile > div {
  position: absolute;
  top: 2.2rem;
  right: 0;
  width: 13rem;
  display: grid;
  padding: 0.7rem 1rem;
  background: #0c0c0b;
  border: 1px solid var(--detail-line);
}

.detail-nav__mobile a,
.exhibit-nav__mobile a {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--detail-line);
}

.detail-nav__mobile a:last-child,
.exhibit-nav__mobile a:last-child {
  border-bottom: 0;
}

.detail-back,
.ath-back {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--detail-muted);
  font: 600 0.68rem/1 var(--detail-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-back span,
.ath-back span,
.detail-footer > a span,
.ath-footer > a span {
  color: var(--detail-accent);
  transition: transform 0.2s ease;
}

.detail-back:hover,
.ath-back:hover,
.detail-footer > a:hover,
.ath-footer > a:hover {
  color: var(--detail-text);
}

.detail-back:hover span,
.ath-back:hover span,
.detail-footer > a:hover span,
.ath-footer > a:hover span {
  transform: translateX(-0.25rem);
}

.detail-label,
.ath-label {
  margin-bottom: 1.2rem;
  color: var(--detail-accent);
  font: 600 0.7rem/1.4 var(--detail-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.detail-footer,
.ath-footer {
  padding-top: 3rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--detail-line);
}

.detail-footer > a,
.ath-footer > a {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--detail-muted);
  font: 600 0.68rem/1 var(--detail-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.detail-footer > div,
.ath-footer > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  color: var(--detail-faint);
  font: 600 0.62rem/1.4 var(--detail-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-enhanced [data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.detail-enhanced [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .detail-page,
  .ath-page {
    width: min(100% - 3rem, 52rem);
  }
}

@media (max-width: 680px) {
  .detail-page,
  .ath-page {
    width: calc(100% - 2rem);
  }

  .detail-nav,
  .exhibit-nav {
    height: 4rem;
    gap: 0.9rem;
    padding: 0 1rem;
  }

  .detail-nav__mark,
  .exhibit-nav__mark {
    width: 2.4rem;
    height: 2.4rem;
  }

  .detail-nav__context,
  .exhibit-nav__context {
    font-size: 0.56rem;
  }

  .detail-nav__desktop,
  .exhibit-nav__desktop {
    display: none;
  }

  .detail-nav__mobile,
  .exhibit-nav__mobile {
    display: block;
  }

  .detail-footer > div,
  .ath-footer > div {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body.is-leaving,
  .detail-enhanced [data-reveal],
  .detail-back span,
  .ath-back span,
  .detail-footer > a span,
  .ath-footer > a span,
  .detail-nav__desktop a::after,
  .exhibit-nav__desktop a::after {
    animation: none;
    transition: none;
  }

  .detail-enhanced [data-reveal] {
    opacity: 1;
    transform: none;
  }
}