:root {
  --shadow: 0 20px 60px rgb(var(--shadow-rgb) / 32%);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 80% 0%, rgb(var(--accent-strong-rgb) / 11%), transparent 31rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-color: rgb(var(--accent-rgb) / 55%);
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: var(--accent);
}

button,
select,
input {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--highlight);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(-180%);
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  border-radius: 9px;
}

nav {
  display: flex;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.94rem;
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.5fr);
  align-items: center;
  gap: 4rem;
  min-height: 650px;
  padding-block: 5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 900px;
  margin-bottom: 1.5rem;
  font-size: clamp(3.2rem, 8vw, 7rem);
}

h1 span {
  color: var(--accent);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.hero-description,
.gallery-intro > p:not(.eyebrow),
.section-heading > p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  font-weight: 720;
  text-decoration: none;
}

.button:hover {
  border-color: var(--accent);
  background: var(--surface-raised);
}

.button-primary {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: var(--on-accent);
}

.button-primary:hover {
  background: var(--accent);
  color: var(--on-accent);
}

.hero-mark {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgb(var(--accent-rgb) / 14%), transparent 52%),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero-mark img {
  width: min(68%, 220px);
  height: auto;
  border-radius: 18px;
  filter: drop-shadow(0 25px 30px rgb(var(--shadow-rgb) / 30%));
}

.section {
  padding-block: 6rem;
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 2rem;
}

.link-grid,
.release-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.link-card,
.release-card {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
}

.link-card:hover,
.release-card:hover {
  border-color: var(--accent);
  background: var(--surface-raised);
  transform: translateY(-2px);
}

.link-card p,
.release-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.card-arrow {
  align-self: flex-end;
  color: var(--accent);
  font-size: 1.35rem;
}

.release-card {
  min-height: 220px;
}

.release-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.version-number {
  font-size: 2.1rem;
  font-weight: 820;
  letter-spacing: -0.05em;
}

.verified-badge,
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  padding: 0.22rem 0.55rem;
  border: 1px solid rgb(var(--accent-rgb) / 45%);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.03em;
}

.verified-badge::before {
  content: "✓";
}

.epoch-badge {
  border-color: rgb(var(--accent-rgb) / 45%);
  color: var(--highlight);
}

.release-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.2rem;
}

.meta-badge {
  border-color: var(--line);
  color: var(--muted);
}

.status-line,
.notice {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-line[data-error="true"],
.notice {
  color: var(--danger);
}

.principles,
.methodology {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 4rem;
}

.principles ul {
  display: grid;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles li {
  padding: 1rem 0 1rem 2.2rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  position: relative;
}

.principles li::before {
  position: absolute;
  left: 0;
  color: var(--accent);
  content: "◆";
}

footer {
  display: flex;
  justify-content: space-between;
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer p {
  margin: 0;
}

/* Gallery */

.gallery-main {
  width: min(1440px, calc(100% - 2rem));
}

.gallery-intro {
  padding: 5rem 0 3.5rem;
}

.gallery-intro h1 {
  margin-bottom: 1rem;
  font-size: clamp(3rem, 7vw, 6rem);
}

.summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.summary-item {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
}

.summary-item strong {
  color: var(--text);
}

.gallery-workspace {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-overlay);
  box-shadow: var(--shadow);
}

.workspace-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.workspace-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.view-switch {
  display: inline-flex;
  flex-wrap: wrap;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}

.view-button,
.version-tab {
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-weight: 720;
}

.view-button {
  padding: 0.55rem 0.8rem;
}

.view-button.is-active,
.version-tab[aria-selected="true"] {
  background: var(--surface-soft);
  color: var(--text);
}

.version-tabs {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding-bottom: 0.55rem;
  scrollbar-color: var(--line) transparent;
}

.version-tab {
  flex: 0 0 auto;
  padding: 0.65rem 0.9rem;
  border: 1px solid transparent;
}

.version-tab[aria-selected="true"] {
  border-color: var(--line);
}

.filter-bar,
.compare-controls,
.family-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 0.5fr)) minmax(220px, 1.3fr);
  gap: 0.85rem;
  margin: 1rem 0 1.5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

select,
input[type="search"] {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: normal;
  text-transform: none;
}

.capture-grid,
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.capture-card,
.missing-card {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
}

.capture-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--image-well);
}

.capture-open:hover img {
  transform: scale(1.02);
}

.capture-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.capture-card figcaption {
  padding: 1rem;
}

.capture-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.capture-title-row h3 {
  margin-bottom: 0;
}

.capture-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0;
}

.capture-meta span {
  padding: 0.18rem 0.45rem;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.72rem;
}

.capture-card details {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.capture-card summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}

.capture-card details p {
  margin-bottom: 0;
}

.record-button {
  width: 100%;
  margin-top: 0.9rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
}

.record-button:hover {
  border-color: rgb(var(--accent-rgb) / 55%);
  color: var(--accent);
}

.provenance-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 0.75rem;
  margin-top: 1rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
}

.provenance-line a {
  overflow-wrap: anywhere;
}

.empty-state,
.missing-card {
  display: grid;
  min-height: 210px;
  place-items: center;
  padding: 1.5rem;
  color: var(--muted);
  text-align: center;
}

.compare-controls {
  grid-template-columns: minmax(240px, 2fr) minmax(160px, 0.8fr);
}

.family-controls {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.compare-note {
  color: var(--muted);
  font-size: 0.86rem;
}

.comparison-grid {
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
}

.family-grid,
.family-checkpoints {
  display: grid;
  gap: 1.25rem;
}

.family-lane {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.family-lane + .family-lane {
  margin-top: 1rem;
}

.family-lane-heading,
.family-checkpoint-heading,
.family-shot figcaption,
.family-provenance {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.family-lane-heading {
  align-items: flex-start;
}

.family-lane-heading h3,
.family-checkpoint-heading h4 {
  margin-bottom: 0;
}

.review-count {
  flex: 0 0 auto;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgb(var(--accent-rgb) / 45%);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 750;
}

.family-checkpoint {
  min-width: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.family-checkpoint-heading {
  margin-bottom: 0.8rem;
}

.family-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.family-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.family-shot {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--image-well);
}

.family-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.family-shot figcaption {
  padding: 0.65rem 0.8rem;
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 0.78rem;
}

.family-shot figcaption strong {
  color: var(--text);
}

.family-checkpoint details,
.family-proof,
.family-na details {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.family-checkpoint summary,
.family-proof summary,
.family-na summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}

.family-provenance {
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

.family-na {
  margin-top: 1rem;
}

.family-na-list {
  margin-bottom: 0;
}

.compare-column-label {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.methodology {
  margin-top: 5rem;
}

.methodology > div:last-child {
  color: var(--muted);
}

.capture-dialog {
  width: min(64rem, calc(100vw - 1.5rem));
  max-width: none;
  max-height: min(90vh, 60rem);
  padding: 0;
  overflow: hidden auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--text);
}

.capture-dialog::backdrop {
  background: var(--backdrop);
}

.dialog-dismiss {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem 0.75rem 0.5rem;
  background: var(--surface);
  box-shadow: 0 8px 12px -8px rgb(var(--shadow-rgb) / 55%);
}

.dialog-close {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.dialog-close:hover {
  border-color: rgb(var(--accent-rgb) / 55%);
  color: var(--accent);
}

.dialog-body {
  display: grid;
  gap: 1.6rem;
  padding: 0.5rem 1.75rem 2rem;
}

.dialog-body > *,
.record-columns > * {
  min-width: 0;
}

.record-header .capture-meta {
  margin-bottom: 0;
}

.record-figure {
  margin: 0;
}

.record-figure img {
  display: block;
  width: 100%;
  max-height: 42vh;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--image-well);
}

.record-figure figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: center;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.capture-permalink {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.75rem;
}

.record-figure .capture-permalink {
  margin-top: 0;
  font-size: inherit;
}

.copy-link-button {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 700;
}

.copy-link-status {
  min-width: 0;
  overflow-wrap: anywhere;
}

.copy-link-button:hover {
  border-color: rgb(var(--accent-rgb) / 55%);
  color: var(--accent);
}

.record-section {
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.record-section h3 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.record-section h4 {
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.record-section h5 {
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.record-lead {
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.record-prose {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid rgb(var(--accent-rgb) / 45%);
  border-radius: 0 10px 10px 0;
  background: var(--surface-raised);
  font-size: 0.9rem;
}

.evidence-quote {
  margin-bottom: 0;
  padding: 0.85rem 1rem;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--code-well);
  font-size: 0.82rem;
}

.mono,
.evidence-quote,
.record-raw pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.fact-list {
  display: grid;
  grid-template-columns: minmax(9rem, auto) minmax(0, 1fr);
  gap: 0.4rem 1.1rem;
  margin: 0;
  font-size: 0.84rem;
}

.fact-list dt {
  color: var(--muted);
}

.fact-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.record-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.25rem;
}

.comparison-record {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-raised);
}

.comparison-record + .comparison-record {
  margin-top: 0.9rem;
}

.record-raw summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.record-raw pre {
  max-height: 22rem;
  margin: 0.75rem 0 0;
  padding: 0.9rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--code-well);
  font-size: 0.74rem;
  line-height: 1.5;
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: auto;
  }

  .hero-mark {
    max-width: 340px;
  }

  .link-grid,
  .release-grid,
  .capture-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
    padding-block: 1rem;
  }

  nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero {
    padding-block: 4rem;
  }

  .section {
    padding-block: 4rem;
  }

  .link-grid,
  .release-grid,
  .capture-grid,
  .comparison-grid,
  .principles,
  .methodology,
  .filter-bar,
  .compare-controls,
  .family-controls,
  .family-pair {
    grid-template-columns: 1fr;
  }

  .gallery-workspace {
    padding: 1rem;
    border-radius: 16px;
  }

  .workspace-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .dialog-body {
    padding: 0.5rem 1rem 1.5rem;
  }

  .fact-list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .fact-list dd {
    margin-bottom: 0.5rem;
  }

  .view-switch,
  .view-button {
    width: 100%;
  }

  .view-switch {
    display: grid;
    grid-template-columns: 1fr;
  }

  .family-lane-heading,
  .family-checkpoint-heading,
  .family-shot figcaption {
    align-items: flex-start;
    flex-direction: column;
  }

  footer {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .link-card,
  .release-card,
  .button,
  .capture-open img {
    transition: transform 150ms ease, border-color 150ms ease, background-color 150ms ease;
  }
}

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