@import url('styles/base/reset.css');
@import url('styles/base/tokens.css');
@import url('styles/base/typography.css');
@import url('styles/base/accessibility.css');

:root {
  --paper: #1a1e22;
  --paper-deep: #242a30;
  --ink: #e8ece8;
  --muted: rgba(232, 236, 232, 0.58);
  --hot: #d4e0d0;
  --warm: #f0e6a8;
  --rule: rgba(212, 224, 208, 0.14);
  --rule-strong: rgba(212, 224, 208, 0.4);
  --font-display: "Atkinson Hyperlegible", "Source Sans 3", system-ui, sans-serif;
  --font-body: "Source Sans 3", "Atkinson Hyperlegible", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

html { background: var(--paper); color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 90% 55% at 50% -18%, rgba(220, 230, 220, 0.06), transparent 55%),
    radial-gradient(ellipse 45% 40% at 100% 70%, rgba(180, 190, 160, 0.04), transparent 50%),
    linear-gradient(180deg, var(--paper-deep) 0%, var(--paper) 30%, var(--paper) 100%);
  background-attachment: fixed;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  font: 600 0.75rem/1 var(--font-mono);
  text-transform: uppercase;
  text-decoration: none;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(1440px, calc(100% - 32px)); margin: 0 auto; padding: 22px 0 44px; }
.gallery-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.gallery-header > div { display: contents; }
.gallery-header h1 {
  margin: 0;
  font: 700 clamp(2rem, 5vw, 4.8rem)/0.95 var(--font-display);
  letter-spacing: -0.045em;
}
.gallery-header h1 em { color: var(--warm); font-style: normal; }
.gallery-header p { display: none; margin: 0; max-width: 58ch; color: var(--muted); font-size: 1.08rem; }
.gallery-header-links { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-left: auto; }
.gallery-header-links a,
.gallery-footer a {
  color: var(--muted);
  font: 500 0.7rem/1.2 var(--font-mono);
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}
.gallery-header-links a:hover,
.gallery-footer a:hover { color: var(--hot); }

main { display: grid; gap: clamp(56px, 8vw, 104px); margin-top: clamp(38px, 6vw, 76px); }
.section-heading {
  display: grid;
  gap: 8px 24px;
  align-items: end;
  margin-bottom: 18px;
}
.section-heading h2 { margin: 0; font: 700 clamp(1.7rem, 3vw, 2.8rem)/1 var(--font-display); letter-spacing: -0.035em; }
.section-heading > p { margin: 0; color: var(--muted); max-width: 52ch; }
.section-kicker {
  margin: 0 0 7px;
  color: var(--warm);
  font: 600 0.68rem/1.2 var(--font-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "a a" "a a"
    "b c" "b d"
    "e e"
    "f g" "f g"
    "h h";
  grid-auto-rows: clamp(86px, 22vw, 132px);
  gap: clamp(8px, 1vw, 14px);
}
[data-feature-slot="a"] { grid-area: a; }
[data-feature-slot="b"] { grid-area: b; }
[data-feature-slot="c"] { grid-area: c; }
[data-feature-slot="d"] { grid-area: d; }
[data-feature-slot="e"] { grid-area: e; }
[data-feature-slot="f"] { grid-area: f; }
[data-feature-slot="g"] { grid-area: g; }
[data-feature-slot="h"] { grid-area: h; }

.filters { margin: 0 0 22px; padding: 14px; border: 1px solid var(--rule); border-radius: 7px; background: rgba(36, 42, 48, 0.7); }
.search-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.search-wrap { position: relative; }
.search-wrap input {
  width: 100%;
  min-height: 44px;
  padding: 10px 42px 10px 39px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: rgba(10, 13, 15, 0.3);
  color: var(--ink);
  font: 0.82rem/1.2 var(--font-mono);
}
.search-icon { position: absolute; top: 50%; left: 14px; width: 14px; height: 14px; color: var(--muted); transform: translateY(-50%); pointer-events: none; }
.search-shortcut { position: absolute; top: 50%; right: 12px; padding: 2px 6px; border: 1px solid var(--rule); color: var(--muted); font: 0.7rem var(--font-mono); transform: translateY(-50%); }
.result-count { color: var(--muted); font: 0.7rem var(--font-mono); letter-spacing: 0.08em; white-space: nowrap; }
.topic-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: 500 0.68rem/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { border-color: var(--hot); background: var(--hot); color: #1a1e22; }
.chip[data-empty]:not([aria-pressed="true"]) { opacity: 0.42; }
.chip-count { margin-left: 4px; opacity: 0.7; font-variant-numeric: tabular-nums; }
.chip-action { border-style: dashed; color: var(--muted); }
.clear-filters { color: var(--hot); margin-left: auto; }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); gap: clamp(10px, 1.4vw, 18px); }
.image-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(212, 224, 208, 0.18);
  border-radius: 7px;
  background: #22282e;
  color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,.3), 0 10px 26px rgba(0,0,0,.32), inset 0 1px 0 rgba(255,255,255,.05);
  transition: border-color 160ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.image-card[hidden], .featured-section[hidden], .clear-filters[hidden] { display: none; }
.card-media { position: relative; width: 100%; height: 100%; min-height: 0; overflow: hidden; background: #242321; }
.archive-card .card-media { aspect-ratio: 4 / 3; }
.card-media > img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 220ms ease, filter 220ms ease; }
.archive-card .card-media > img { object-fit: contain; }
.card-scrim {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(10px, 1.4vw, 17px);
  background: linear-gradient(to top, rgba(10, 10, 9, 0.92) 0, rgba(10, 10, 9, 0.56) 34%, transparent 66%);
  color: #fff;
  transition: background 180ms ease;
}
.card-heading { min-width: 0; }
.card-eyebrow { margin: 0 0 5px; color: rgba(255,255,255,0.72); font: 500 0.62rem/1.2 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.card-heading h3 { margin: 0; font: 520 clamp(0.9rem, 1.4vw, 1.24rem)/1.12 var(--font-display); letter-spacing: -0.01em; text-wrap: balance; }
.archive-card .card-heading h3 { font-size: clamp(0.88rem, 1.1vw, 1.06rem); }
.card-detail { max-height: 0; opacity: 0; overflow: hidden; pointer-events: none; transform: translateY(6px); transition: max-height 180ms ease, opacity 140ms ease, transform 180ms ease; }
.card-credit, .card-facts { margin: 8px 0 0; color: rgba(255,255,255,0.82); font: 0.64rem/1.35 var(--font-mono); }
.card-credit a { color: inherit; text-underline-offset: 2px; }
.card-facts { display: flex; flex-wrap: wrap; gap: 4px 10px; color: rgba(255,255,255,0.68); }
.card-actions { display: flex; gap: 8px; margin-top: 11px; }
.card-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid rgba(255,255,255,0.64);
  color: #fff;
  font: 600 0.66rem/1 var(--font-mono);
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}
.card-actions a:first-child { background: var(--hot); color: #171b1e; border-color: var(--hot); }
.card-actions a:hover { border-color: #fff; }
.image-card:is(:hover, :focus-within) { border-color: rgba(212,224,208,.46); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.36), 0 20px 44px rgba(0,0,0,.34); }
.image-card:is(:hover, :focus-within) .card-scrim { background: rgba(20, 25, 29, 0.84); }
.image-card:is(:hover, :focus-within) .card-detail { max-height: 220px; opacity: 1; pointer-events: auto; transform: translateY(0); }
.image-card:hover .card-media > img { transform: scale(1.015); filter: saturate(1.04); }

.no-results { display: none; padding: 52px 20px; border: 1px dashed var(--rule-strong); color: var(--muted); text-align: center; }
.no-results.visible { display: block; }
.no-results button { min-height: 44px; margin-left: 8px; border: 0; background: transparent; color: var(--warm); font: 600 0.76rem var(--font-mono); text-decoration: underline; cursor: pointer; }
.sr-announce { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.gallery-footer { margin-top: 80px; padding-top: 22px; border-top: 1px solid var(--rule); color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font: 500 0.7rem var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-notice { max-width: 72ch; margin: 20px 0 0; font-size: 0.88rem; }
.footer-notice a { font: inherit; letter-spacing: 0; text-decoration: underline; text-transform: none; }

a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--hot); outline-offset: 3px; }
.image-card:focus-within { outline: 3px solid var(--hot); outline-offset: 2px; }

@media (min-width: 48em) {
  .container { width: min(1440px, calc(100% - 56px)); padding-top: 38px; }
  .gallery-header { display: grid; grid-template-columns: 1fr auto; align-items: end; padding-bottom: 32px; }
  .gallery-header > div { display: block; }
  .gallery-header p { display: block; margin-top: 13px; }
  .section-heading { grid-template-columns: 1fr minmax(20rem, 0.8fr); }
  .featured-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-areas:
      "a a b c"
      "a a b d"
      "e e f g"
      "h h f g";
    grid-auto-rows: clamp(118px, 12vw, 172px);
  }
}

@media (hover: none), (pointer: coarse) {
  .chip { min-height: 44px; }
  .search-shortcut { display: none; }
  .card-detail { max-height: 220px; opacity: 1; pointer-events: auto; transform: none; }
  .card-scrim { background: linear-gradient(to top, rgba(10,10,9,.96), rgba(10,10,9,.55) 72%, transparent); }
  .feature-card .card-credit, .feature-card .card-facts { display: none; }
}

@media (max-width: 27em) {
  .gallery-header-links { width: 100%; margin-left: 0; }
  .section-heading > p { font-size: 0.92rem; }
  .card-actions { gap: 5px; }
  .card-actions a { min-width: 0; flex: 1; padding-inline: 7px; }
  .featured-grid { grid-auto-rows: 92px; }
  .feature-card .card-eyebrow { display: none; }
  .feature-card .card-heading h3 { font-size: 0.84rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

@media (forced-colors: active) {
  .image-card, .filters, .card-actions a { border: 1px solid CanvasText; }
  .card-scrim { background: Canvas; color: CanvasText; }
  .card-eyebrow, .card-credit, .card-facts { color: CanvasText; }
}

@media print {
  .filters, .skip-link, .gallery-footer, .featured-section { display: none !important; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}