:root {
  color-scheme: dark;
  --paper: #171916;
  --ink: #eeece2;
  --muted: #a7aaa0;
  --line: #3b3e36;
  --signal: #d0db9c;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --serif: "Newsreader", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
::selection { color: var(--paper); background: var(--signal); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--signal); }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible { outline: 2px solid var(--signal); outline-offset: 6px; }
button:disabled { cursor: default; opacity: .45; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; }
[hidden] { display: none !important; }
.page-width { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; padding: 10px 18px; background: var(--ink); color: var(--paper); z-index: 100; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 112px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.wordmark { font-family: var(--mono); font-weight: 500; font-size: 43px; letter-spacing: -.085em; line-height: 1; }
.wordmark-dot { color: var(--signal); }
.header-caption { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .03em; }
.site-header nav { display: flex; gap: 30px; align-items: center; font-size: 12px; }
.site-header nav a { padding-block: 14px; }
.eyebrow { font-family: var(--mono); font-size: 10px; font-weight: 400; letter-spacing: .075em; text-transform: uppercase; }
.index-mark { color: var(--signal); margin-right: 12px; }
.muted { color: var(--muted); }
.home-hero { display: grid; grid-template-columns: 1fr 1.16fr; align-items: center; gap: 54px; padding-block: 64px 76px; }
.home-copy .eyebrow { margin-bottom: 32px; }
.home-copy h1 { font-size: clamp(54px, 6.25vw, 90px); line-height: .99; letter-spacing: -.045em; }
.home-copy h1 em { font-weight: 400; color: var(--signal); }
.home-intro { margin-top: 28px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; font-size: 12px; padding-block: 12px; border-bottom: 1px solid #777b6b; }
.explore-link { margin-top: 28px; }
.featured-file { min-width: 0; transform: rotate(1.2deg); }
.file-strip { display: flex; justify-content: space-between; align-items: center; padding: 13px 0; font: 10px var(--mono); letter-spacing: .04em; border-top: 1px solid var(--line); }
.file-strip > span:first-child { display: flex; align-items: center; gap: 9px; }
.file-dot { width: 6px; height: 6px; background: var(--signal); display: inline-block; }
.home-media { background: #090a08; aspect-ratio: 4 / 3; position: relative; }
.home-media iframe { width: 100%; height: 100%; border: 0; display: block; }
.featured-file:has(iframe) { transform: none; }
.featured-file:has([data-viewer="player"]) { transform: none; }
.player-status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 12px 0; color: var(--muted); font-size: 12px; }
.player-status .link-button { padding-block: 2px; font-size: 12px; }
.player-status a { color: var(--ink); }
.player-recovery { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; margin-top: 8px; }
.player-recovery > a { padding: 10px; font-size: 12px; }
.home-media > .youtube-player-host { height: 100%; }
.home-media:has(.player-error), .media-frame:has(.player-error) { min-height: 260px; }
.featured-file figcaption { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); padding: 14px 0; font-size: 10px; }
.caption-divider { margin-inline: 8px; color: #65695d; }
.featured-file figcaption a { color: var(--ink); }
.standby-frame { position: relative; display: block; width: 100%; height: 100%; padding: 0; border: 0; color: var(--ink); background: #0a0c09; overflow: hidden; }
.standby-frame::after { content: ""; position: absolute; inset: 50% 0 0; background: linear-gradient(transparent, #0008); pointer-events: none; }
.standby-frame img { width: 100%; height: 100%; object-fit: contain; transition: filter .3s; }
.home-media .standby-frame img { object-fit: cover; }
.standby-frame:hover img { filter: brightness(.88); }
.play-disc { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); display: grid; place-items: center; width: 64px; height: 64px; padding-left: 3px; border: 1px solid #eee9; border-radius: 50%; background: #15171188; backdrop-filter: blur(8px); color: #fff; font-size: 16px; transition: background .2s, scale .2s; z-index: 1; }
.standby-frame:hover .play-disc { background: #eeece2; color: #171916; scale: 1.06; }
.standby-label { position: absolute; bottom: 22px; left: 24px; right: 24px; z-index: 1; display: flex; justify-content: space-between; align-items: center; font: 11px var(--mono); color: #fff; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; border-top: 1px solid var(--line); padding-top: 26px; margin-bottom: 28px; }
.section-heading h2 { font-size: 36px; letter-spacing: -.025em; line-height: 1.1; }
.section-heading .eyebrow { color: var(--muted); }
.collection-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; }
.collection-preview { display: block; min-width: 0; }
.preview-image { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #252922; }
.preview-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s, opacity .3s; opacity: .85; }
.collection-preview:hover img { transform: scale(1.035); opacity: 1; }
.preview-number, .preview-arrow { position: absolute; top: 12px; padding: 4px 8px; color: #fff; background: #10130bc4; font: 11px/1.5 var(--mono); }
.preview-number { left: 12px; }
.preview-arrow { right: 12px; }
.collection-name { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-top: 18px; }
.collection-name h3 { font: 500 19px var(--mono); letter-spacing: -.04em; }
.collection-name > span { font: 10px var(--mono); color: var(--muted); }
.collection-preview p { color: var(--muted); font-size: 12px; padding-top: 4px; }
.about-archive { display: grid; grid-template-columns: 1fr 1.16fr; gap: 54px; padding-block: 72px 76px; border-top: 1px solid var(--line); margin-top: 72px; }
.about-archive .eyebrow { color: var(--muted); padding-top: 8px; }
.about-archive h2 { font-size: 48px; line-height: 1.08; letter-spacing: -.025em; margin-bottom: 24px; }
.about-archive p:not(.eyebrow) { max-width: 54ch; font-size: 15px; color: var(--muted); margin-top: 16px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 28px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-brand { font: 500 24px var(--mono); color: var(--ink); letter-spacing: -.08em; }
.site-footer > span a { color: var(--ink); }
/* Collection pages share the same visual language as the index. */
.collection-nav { display: flex; align-items: center; gap: 30px; padding-block: 20px; border-bottom: 1px solid var(--line); font: 11px var(--mono); }
.collection-nav a { padding: 8px 0; color: var(--muted); white-space: nowrap; }
.collection-nav a[aria-current="page"] { color: var(--signal); }
.collection-nav .nav-number { margin-right: 8px; color: #74796a; }
.collection-heading { display: grid; grid-template-columns: 1.2fr 1fr; align-items: end; gap: 48px; padding-block: 35px 30px; }
.collection-heading .eyebrow { color: var(--signal); margin-bottom: 16px; }
.collection-heading h1 { font-size: clamp(38px, 4.3vw, 62px); line-height: 1.02; letter-spacing: -.035em; max-width: 650px; }
.collection-heading .intro { color: var(--muted); max-width: 43ch; font-size: 14px; justify-self: end; padding-bottom: 3px; }
.viewer-shell { scroll-margin-top: 20px; }
.viewer-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-block: 1px solid var(--line); padding: 10px 0; }
.viewer-bar h2 { font: 11px var(--mono); color: var(--muted); }
.viewer-bar h2 span { color: var(--signal); margin-right: 8px; }
.viewer-actions { display: flex; gap: 8px; }
.viewer-actions .button { min-width: 138px; min-height: 44px; }
.button-previous:not(:disabled):hover { border-color: var(--signal); }
.button:disabled:hover { background: transparent; border-color: var(--line); }
.button { min-height: 42px; border: 1px solid var(--line); padding: 10px 18px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; background: transparent; color: var(--ink); font: 11px/1.4 var(--mono); text-decoration: none; transition: background .2s, border-color .2s; }
.button:hover { border-color: var(--muted); background: #eeece20a; color: var(--ink); }
.button-primary { background: var(--signal); color: var(--paper); border-color: var(--signal); }
.button-primary:hover { background: #e0e8be; color: var(--paper); border-color: #e0e8be; }
.viewer-card { padding-top: 18px; }
.media-frame { position: relative; width: 100%; aspect-ratio: 16/9; max-height: 68vh; min-height: 240px; background: #090a08; }
.media-frame iframe, .youtube-player-host { display: block; width: 100%; height: 100%; border: 0; }
.media-frame .standby-frame img { object-fit: cover; }
.media-frame .standby-label { font-size: 12px; }
.thumbnail-fallback { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font: 18px var(--mono); z-index: -1; }
.generated-thumbnail, .player-error { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; gap: 16px; text-align: center; }
.generated-thumbnail strong, .player-error strong { font: 32px var(--serif); }
.generated-thumbnail p, .player-error p { color: var(--muted); max-width: 48ch; }
.record-panel { padding-top: 22px; }
.record-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
#record-title { font: 400 24px var(--mono); letter-spacing: -.04em; overflow-wrap: anywhere; }
.record-links { display: flex; align-items: center; gap: 24px; flex-shrink: 0; font-size: 12px; }
.link-button { color: var(--ink); background: none; border: 0; padding: 10px 0; font: inherit; }
.link-button:hover { color: var(--signal); }
.metadata-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 1.4fr; gap: 24px; margin: 24px 0; padding-block: 20px; border-block: 1px solid var(--line); }
.metadata-grid dt { font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.metadata-grid dd { margin: 0; font-size: 13px; overflow-wrap: anywhere; }
.record-details { font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 20px; }
.record-details summary { display: inline-flex; gap: 24px; cursor: pointer; color: var(--ink); padding: 4px 0; list-style: none; }
.record-details summary::-webkit-details-marker { display: none; }
.record-details summary::after { content: "+"; font-family: var(--mono); }
.record-details[open] summary::after { content: "−"; }
.record-details-body { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-top: 24px; }
.record-details-body h4 { margin: 0 0 12px; font: 11px var(--mono); color: var(--ink); }
.record-note { margin-block: 12px; max-width: 60ch; }
.risk-pill { font: 10px var(--mono); color: var(--signal); }
.inline-filter-label { display: block; font: 11px var(--mono); color: var(--ink); margin-bottom: 12px; }
.risk-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.risk-filters button { min-height: 36px; border: 1px solid var(--line); background: none; color: var(--muted); padding: 6px 12px; font: 10px var(--mono); }
.risk-filters button.is-active { color: var(--paper); background: var(--ink); border-color: var(--ink); }
.risk-help { max-width: 60ch; margin-top: 12px; font-size: 11px; }
.copy-feedback { font: 11px var(--mono); color: var(--signal); }
.copy-feedback:empty { display: none; }
.share-fallback { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 12px 0; font-size: 12px; }
.share-fallback input { flex: 1; min-width: 0; padding: 10px; border: 1px solid var(--line); background: #10120f; color: var(--ink); font-size: 12px; }
.collection-about { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-block: 58px; }
.collection-about h2 { font-size: 34px; line-height: 1.1; margin-top: 16px; }
.collection-about p:not(.eyebrow) { max-width: 55ch; font-size: 14px; color: var(--muted); }
.collection-about p + p { margin-top: 14px; }
.drone-invitation { margin-top: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 1100px) {
  .page-width { width: calc(100% - 64px); }
  .home-hero { gap: 32px; padding-block: 48px 56px; }
  .home-copy h1 { font-size: 66px; }
  .header-caption { display: none; }
  .collection-heading h1 { font-size: 48px; }
}
@media (max-width: 760px) {
  .page-width { width: calc(100% - 40px); }
  .site-header { min-height: 82px; gap: 16px; }
  .wordmark { font-size: 34px; }
  .site-header nav { gap: 24px; font-size: 11px; }
  .home-hero { display: flex; flex-direction: column; align-items: stretch; gap: 32px; padding-block: 32px 44px; }
  .home-copy .eyebrow { font-size: 9px; margin-bottom: 22px; }
  .home-copy h1 { font-size: clamp(44px, 11.6vw, 72px); line-height: 1; letter-spacing: -.04em; }
  .home-intro { margin-top: 18px; font-size: 13px; }
  .explore-link { display: none; }
  .featured-file { transform: none; }
  .file-strip { padding-block: 10px; font-size: 9px; }
  .home-media { aspect-ratio: 16/10; }
  .featured-file figcaption { font-size: 9px; gap: 8px; }
  .caption-divider { margin-inline: 3px; }
  .section-heading { margin-bottom: 22px; padding-top: 22px; gap: 14px; align-items: center; }
  .section-heading h2 { font-size: 29px; }
  .section-heading .eyebrow { font-size: 8px; max-width: 120px; text-align: right; }
  .collection-grid { grid-template-columns: 1fr; gap: 30px; }
  .collection-name { padding-top: 13px; }
  .collection-name h3 { font-size: 20px; }
  .about-archive { grid-template-columns: 1fr; gap: 24px; margin-top: 44px; padding-block: 32px 44px; }
  .about-archive h2 { font-size: 40px; margin-bottom: 18px; }
  .about-archive p:not(.eyebrow) { font-size: 14px; }
  .site-footer { flex-wrap: wrap; gap: 20px; padding-block: 24px 32px; font-size: 10px; }
  .site-footer > span { flex: 1; text-align: right; }
  .site-footer > a:last-child { width: 100%; text-align: right; }
  .collection-nav { justify-content: space-between; gap: 10px; font-size: 10px; padding-block: 10px; }
  .collection-nav .nav-number { display: none; }
  .collection-heading { grid-template-columns: 1fr; gap: 16px; padding-block: 26px; }
  .collection-heading .eyebrow { margin-bottom: 12px; font-size: 9px; }
  .collection-heading h1 { font-size: clamp(36px, 10vw, 54px); max-width: 520px; line-height: 1.05; }
  .collection-heading .intro { justify-self: start; font-size: 13px; max-width: 48ch; }
  .viewer-bar { padding-block: 12px; gap: 12px; flex-wrap: wrap; }
  .viewer-bar h2 { font-size: 9px; }
  .viewer-actions { width: 100%; }
  .viewer-actions .button { flex: 1; min-width: 0; justify-content: space-between; }
  .button { padding: 10px 13px; gap: 12px; font-size: 10px; }
  .viewer-card { padding-top: 12px; }
  .media-frame { aspect-ratio: 16/9; min-height: 200px; max-height: none; }
  .home-media { min-height: 200px; }
  .player-error { padding: 20px 16px; gap: 12px; }
  .player-error strong { font-size: 25px; }
  .player-error p { font-size: 13px; }
  .play-disc { width: 52px; height: 52px; font-size: 13px; }
  .standby-label, .media-frame .standby-label { bottom: 14px; left: 16px; right: 16px; font-size: 10px; }
  .record-panel { padding-top: 18px; }
  .record-heading { align-items: start; flex-direction: column; gap: 6px; }
  #record-title { font-size: 19px; }
  .record-links { font-size: 11px; gap: 24px; }
  .metadata-grid { grid-template-columns: 1fr 1fr; gap: 20px; padding-block: 20px; margin-top: 14px; }
  .metadata-grid dd { font-size: 12px; }
  .record-details-body { grid-template-columns: 1fr; gap: 24px; }
  .collection-about { grid-template-columns: 1fr; gap: 24px; padding-block: 36px; }
  .collection-about h2 { font-size: 32px; }
  .drone-invitation { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}