:root {
  --paper: #f3f5f1; --white: #fff; --ink: #202621; --muted: #586158;
  --pine: #234c3c; --field: #e5eae2; --selected: #e9ece7; --line: #e4e7e2;
  --control: #a1aaa0; --highlight: #e0ecd1;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: Georgia, "Times New Roman", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: .2em; }
button, input, select, summary { font: inherit; }
button, select, summary { cursor: pointer; }
button { color: inherit; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
button, .button { transition: background-color .16s ease, color .16s ease, transform .16s ease; }
button:active, .button:active { transform: translateY(1px); }
:focus-visible { outline: 3px solid var(--pine); outline-offset: 4px; }
button:disabled { cursor: default; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, blockquote { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.page-frame { width: calc(100% - 64px); margin-inline: auto; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 22px; font-weight: 600; letter-spacing: -.8px; white-space: nowrap; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 22px; background: var(--pine); color: var(--white); border: 0; border-radius: 0; font-size: 16px; font-weight: 500; text-decoration: none; white-space: nowrap; }
.button:hover { background: var(--ink); }
.button.light { background: var(--paper); color: var(--pine); }
.button.light:hover { background: var(--field); }
.button.small { min-height: 36px; padding: 8px 14px; font-size: 14px; border-radius: 6px; }
.button.secondary { background: var(--white); color: var(--ink); border: 1px solid var(--control); }
.button.secondary:hover { background: var(--selected); }
.timestamp { color: var(--pine); font-variant-numeric: tabular-nums; white-space: nowrap; }
.skip { position: absolute; top: -100px; left: 16px; padding: 12px 20px; background: var(--ink); color: var(--white); z-index: 20; }
.skip:focus { top: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

/* Website: the wordmark brackets the archive, with one shared 32px page edge. */
.site-header { min-height: 88px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.site-header nav { display: flex; align-items: center; gap: 32px; }
.site-header nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.site-header nav a:hover { text-decoration: underline; }
.monument { padding-top: 32px; }
.hero-intro { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.hero-intro p { font-size: 20px; line-height: 1.5; max-width: 46ch; }
.monument h1, .footer-wordmark { font-family: var(--display); font-weight: 400; font-size: 27.5vw; letter-spacing: -.075em; line-height: .9; white-space: nowrap; margin-left: -.012em; }
.monument h1 { margin-top: 8px; transform-origin: center; }
.hero-baseline { display: flex; justify-content: space-between; gap: 24px; margin-top: 8px; }
.hero-baseline p:last-child { color: var(--muted); }
.showcase { padding-block: 100px 120px; }
.showcase-copy { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; margin-bottom: 32px; }
.showcase h2, .questions > h2, .footer-invitation h2 { font-size: clamp(28px, 2.8vw, 40px); font-weight: 500; letter-spacing: -.04em; line-height: 1.15; }
.showcase-copy > p { max-width: 42ch; }
.passage-demo { background: var(--field); display: grid; grid-template-columns: 32% 68%; min-height: 390px; }
.demo-index { padding: 36px; display: flex; flex-direction: column; gap: 28px; }
.demo-label { color: var(--muted); font-size: 14px; }
#sample-choices { display: grid; gap: 8px; }
#sample-choices button, #sample-choices a { background: transparent; border: 0; text-align: left; font-size: 16px; padding: 12px 14px; margin-left: -14px; line-height: 1.4; border-radius: 0; text-decoration: none; }
#sample-choices button[aria-pressed="true"] { background: var(--paper); color: var(--ink); }
#sample-choices button:hover { background: var(--paper); }
.demo-index > p { color: var(--muted); font-size: 14px; margin-top: auto; }
.demo-passage { background: var(--white); margin: 12px; padding: 32px 40px; display: flex; flex-direction: column; }
.demo-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 14px; }
.demo-passage h3 { font-size: 20px; font-weight: 500; margin-top: 28px; }
.passage-line { display: grid; grid-template-columns: 52px 1fr; gap: 24px; margin-block: 32px; }
.passage-line .timestamp { padding-top: 7px; font-size: 14px; }
.passage-line blockquote { font-size: clamp(23px, 2.3vw, 32px); line-height: 1.35; letter-spacing: -.025em; max-width: 36ch; text-wrap: pretty; }
.demo-footer { margin-top: auto; display: flex; justify-content: space-between; gap: 20px; font-size: 14px; }
.demo-footer > span { color: var(--muted); }
.demo-footer a { text-decoration: none; }
.demo-footer a:hover { text-decoration: underline; }
.ownership { background: var(--pine); color: var(--paper); padding-block: 100px; }
.ownership-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; }
.ownership h2 { font-size: clamp(34px, 4vw, 58px); font-weight: 400; line-height: 1.1; letter-spacing: -.04em; }
.ownership-grid > div:first-child > p { max-width: 37ch; font-size: 18px; margin-block: 32px; }
.ownership a { display: inline-block; padding-block: 12px; }
.archive-route { max-width: 540px; width: 100%; }
.route-caption { font-size: 14px; color: #d0ddd0; margin-bottom: 32px; }
.route-source { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.route-source > span { font-size: 20px; }
.route-source p { color: #d0ddd0; font-size: 16px; }
.route-arrow { display: block; font-size: 28px; margin: 10px 0; }
.route-destination { background: var(--paper); color: var(--ink); padding: 28px; display: grid; gap: 10px; }
.route-destination strong { font-size: 26px; font-weight: 500; letter-spacing: -.03em; }
.route-destination span { font-size: 16px; }
.route-destination p { font-size: 14px; color: var(--muted); margin-top: 16px; }
.route-option { font-size: 14px; color: #d0ddd0; margin-top: 20px; max-width: 48ch; }
.questions { padding-block: 120px; }
.questions > h2 { margin-bottom: 72px; }
.answer-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; margin-top: 64px; align-items: baseline; }
.answer-row h3 { font-weight: 400; font-size: clamp(24px, 2.6vw, 36px); line-height: 1.2; letter-spacing: -.025em; }
.answer-row > p { max-width: 49ch; font-size: 18px; line-height: 1.6; }
.site-footer { background: var(--pine); color: var(--paper); padding-block: 64px 28px; overflow: hidden; }
.footer-invitation { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-wordmark { margin-top: 24px; }
.footer-links { display: flex; justify-content: space-between; gap: 24px; margin-top: 32px; font-size: 14px; }
.site-footer :focus-visible, .ownership :focus-visible { outline-color: var(--paper); }

/* App: 1208px = 352px list + 24px gutter + 832px reader; smaller widths give the reader the remainder. */
.app-frame { width: calc(100% - 64px); max-width: 1208px; margin-inline: auto; }
.app-header { background: var(--paper); }
.app-header-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.app-header .brand { font-size: 21px; }
.preview-label { font-size: 13px; color: var(--muted); }
.app-nav { margin-left: auto; display: flex; gap: 28px; font-size: 14px; }
.app-nav a { padding-block: 12px; text-decoration: none; }
.app-nav a:hover { text-decoration: underline; }
.mobile-menu { display: none; }
.app-content { padding-block: 40px 24px; }
.page-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.page-heading h1 { font-size: 28px; font-weight: 600; letter-spacing: -.035em; line-height: 1.2; }
.page-heading p { color: var(--muted); margin-top: 8px; }
.quiet-link { font-size: 14px; color: var(--muted); padding: 8px 0; }
.preview-notice { font-size: 14px; color: var(--muted); margin-top: 24px; max-width: 100ch; }
.preview-notice strong { font-weight: 500; color: var(--ink); }
.toolbar { display: flex; gap: 12px; margin-block: 28px 24px; }
.search-box { display: flex; align-items: center; gap: 12px; background: var(--white); border: 1px solid var(--control); border-radius: 6px; padding-inline: 12px; flex: 1; min-width: 0; }
.search-box svg { fill: none; stroke: currentColor; stroke-width: 1.7; flex: none; }
.search-box:focus-within { outline: 3px solid var(--pine); outline-offset: 2px; }
.search-box input { border: 0; background: transparent; outline: 0; width: 100%; min-width: 0; color: var(--ink); font-size: 14px; padding-block: 11px; }
.search-box input::placeholder { color: var(--muted); opacity: 1; }
.filter-label select { min-height: 44px; height: 100%; padding: 8px 32px 8px 12px; background: var(--white); border: 1px solid var(--control); border-radius: 6px; color: var(--ink); font-size: 14px; }
.timeline-layout { display: grid; grid-template-columns: 352px minmax(0, 1fr); gap: 24px; align-items: start; }
.list-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 0 4px 14px; }
.list-heading h2 { font-size: 14px; font-weight: 500; }
.list-heading > span { font-size: 13px; color: var(--muted); }
#recording-list { display: grid; gap: 8px; }
.recording-card { width: 100%; text-align: left; padding: 20px; border: 1px solid transparent; background: transparent; border-radius: 8px; }
.recording-card:hover { border-color: var(--control); }
.recording-card.selected { background: var(--selected); }
.recording-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; margin-bottom: 10px; }
.recording-meta > span:last-child { text-align: right; white-space: nowrap; }
.recording-card > strong { display: block; font-size: 17px; font-weight: 500; letter-spacing: -.02em; line-height: 1.35; }
.recording-description { display: block; font-size: 14px; color: var(--muted); margin-top: 8px; line-height: 1.5; }
.recording-footer { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--muted); margin-top: 16px; }
.read-affordance { color: var(--ink); }
.transcript-panel { background: var(--white); border-radius: 8px; padding: 28px 32px; min-width: 0; }
.transcript-top { display: flex; justify-content: space-between; gap: 20px; font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.transcript-panel h2 { font-size: 24px; font-weight: 500; letter-spacing: -.025em; line-height: 1.25; }
.transcript-meta { font-size: 13px; color: var(--muted); margin-top: 10px; font-variant-numeric: tabular-nums; }
.transcript-meta > span { padding-inline: 4px; }
.transcript-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-block: 24px 28px; }
.app-page .button:not(.secondary) { background: var(--ink); }
.app-page .button:not(.secondary):hover { background: #3e463f; }
.transcript-segments { display: grid; gap: 24px; }
.segment { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 20px; }
.segment .timestamp { font-size: 13px; padding-top: 5px; text-align: right; }
.segment-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 30px; margin-bottom: 4px; }
.speaker { font-size: 13px; font-weight: 600; }
.segment p { font-size: 16px; line-height: 1.65; max-width: 67ch; overflow-wrap: anywhere; }
.copy-passage { border: 0; background: transparent; color: var(--muted); font-size: 12px; padding: 5px 8px; border-radius: 4px; }
.copy-passage:hover { background: var(--selected); color: var(--ink); }
mark { color: var(--ink); background: var(--highlight); border-radius: 2px; }
.transcript-end { color: var(--muted); font-size: 13px; line-height: 1.55; margin-top: 32px; max-width: 62ch; }
.workspace-footnote { color: var(--muted); font-size: 13px; margin-top: 24px; }
.empty-state { padding: 28px 12px; font-size: 14px; }
.empty-state h2, .empty-state h3 { font-size: 18px; font-weight: 500; }
.empty-state p { color: var(--muted); margin-top: 10px; }
.empty-state .button { margin-top: 20px; }
.subtle-button { background: transparent; border: 0; padding: 10px 0; font-size: 14px; }
.back-to-list { display: none; }
.toast { position: fixed; bottom: 24px; right: 24px; max-width: min(440px, calc(100% - 48px)); padding: 16px 20px; border-radius: 8px; color: var(--white); background: var(--ink); font-size: 14px; z-index: 5; }
.not-found { min-height: 80vh; padding-block: 64px; display: grid; align-content: center; justify-items: start; gap: 28px; }
.not-found h1 { font-size: clamp(36px, 6vw, 80px); font-weight: 400; letter-spacing: -.04em; }
.not-found p { max-width: 46ch; }

@supports (animation-timeline: scroll()) {
  @keyframes wordmark-settle { to { transform: scale(.97); } }
  .monument h1 { animation: wordmark-settle linear both; animation-timeline: scroll(root); animation-range: 0px 700px; }
}
@media (prefers-reduced-motion: no-preference) {
  @keyframes arrive { from { transform: translateY(10px); } to { transform: translateY(0); } }
  .landing .hero-intro, .landing .hero-baseline { animation: arrive .5s ease-out both; }
  @supports (animation-timeline: view()) {
    .landing .showcase-copy, .landing .passage-demo, .landing .ownership-grid > div, .landing .answer-row, .landing .footer-invitation { animation: arrive linear both; animation-timeline: view(); animation-range: entry 0% entry 70%; }
  }
}
@media (max-width: 1100px) {
  .timeline-layout { grid-template-columns: 296px minmax(0, 1fr); gap: 20px; }
  .transcript-panel { padding: 24px; }
  .recording-card { padding: 16px; }
  .demo-index { padding: 28px; }
  .demo-passage { padding: 28px; }
  .showcase-copy > p { max-width: 35ch; }
}
@media (max-width: 800px) {
  .page-frame, .app-frame { width: calc(100% - 40px); }
  .site-header { min-height: 76px; }
  .site-header nav { gap: 20px; font-size: 14px; }
  .monument { padding-top: 24px; }
  .hero-intro p { font-size: 18px; }
  .monument h1, .footer-wordmark { font-size: 26.5vw; }
  .hero-baseline { font-size: 14px; }
  .showcase { padding-block: 72px 80px; }
  .showcase-copy { flex-direction: column; gap: 20px; }
  .showcase-copy > p { max-width: 48ch; }
  .passage-demo { grid-template-columns: 1fr; }
  .demo-index { padding: 24px; gap: 16px; }
  #sample-choices { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  #sample-choices button, #sample-choices a { margin-left: 0; padding: 12px; font-size: 14px; }
  .demo-index > p { display: none; }
  .demo-passage { margin-top: 0; min-height: 310px; }
  .ownership { padding-block: 72px; }
  .ownership-grid { gap: 48px; }
  .ownership-grid > div:first-child > p { font-size: 16px; }
  .route-source { flex-direction: column; gap: 12px; }
  .route-destination { padding: 20px; }
  .route-destination strong { font-size: 24px; }
  .questions { padding-block: 80px; }
  .questions > h2 { margin-bottom: 48px; }
  .answer-row { gap: 40px; margin-top: 48px; }
  .answer-row > p { font-size: 16px; }
  .timeline-layout { grid-template-columns: 260px minmax(0, 1fr); gap: 16px; }
  .transcript-panel { padding: 20px; }
  .segment { gap: 12px; }
  .segment p { font-size: 15px; }
  .transcript-actions { gap: 8px; }
  .app-content { padding-top: 28px; }
}
@media (max-width: 700px) {
  .app-nav { display: none; }
  .app-header-inner { min-height: 64px; gap: 16px; }
  .preview-label { margin-left: auto; font-size: 12px; }
  .mobile-menu { display: block; position: relative; font-size: 14px; }
  .mobile-menu summary { min-height: 44px; display: flex; align-items: center; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav { position: absolute; top: 48px; right: 0; min-width: 180px; padding: 8px; background: var(--white); border: 1px solid var(--control); border-radius: 8px; z-index: 4; }
  .mobile-menu a { display: block; padding: 12px; text-decoration: none; }
  .mobile-menu a:hover { background: var(--selected); }
  .app-content { padding-top: 24px; }
  .page-heading h1 { font-size: 24px; }
  .page-heading p { font-size: 14px; }
  .page-heading > a { display: none; }
  .preview-notice { margin-top: 20px; }
  .toolbar { gap: 8px; margin-block: 24px; }
  .search-box { gap: 8px; padding-inline: 10px; }
  .filter-label select { max-width: 135px; padding: 8px; }
  .timeline-layout { grid-template-columns: 1fr; }
  .recording-card { padding: 20px 16px; }
  .recording-meta, .recording-footer { font-size: 13px; }
  .recording-card > strong { font-size: 18px; }
  .recording-description { font-size: 14px; }
  .transcript-panel { display: none; padding: 20px; }
  .detail-open .transcript-panel { display: block; }
  .detail-open .recordings-panel, .detail-open .toolbar, .detail-open .preview-notice, .detail-open .page-heading p { display: none; }
  .detail-open .page-heading { margin-bottom: 24px; }
  .back-to-list { display: inline-flex; min-height: 44px; margin-top: -10px; margin-bottom: 16px; }
  .transcript-top { font-size: 12px; }
  .transcript-panel h2 { font-size: 24px; }
  .transcript-actions .button { min-height: 44px; }
  .segment { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; }
  .segment p { font-size: 16px; }
  .segment .timestamp { padding-top: 12px; }
  .segment-heading { min-height: 44px; }
  .copy-passage { min-height: 44px; padding-inline: 12px; }
  .workspace-footnote { font-size: 12px; }
}
@media (max-width: 520px) {
  .site-header .brand { font-size: 20px; }
  .site-header nav a:not(:last-child) { display: none; }
  .site-header nav { gap: 0; }
  .hero-intro { flex-direction: column; gap: 24px; }
  .hero-intro p { font-size: 18px; max-width: 29ch; }
  .desktop-break { display: none; }
  .hero-intro .button { width: 100%; }
  .monument { display: flex; flex-direction: column; padding-top: 12px; }
  .monument h1 { order: -1; font-size: 25.9vw; line-height: 1.15; margin-block: 8px 28px; }
  .hero-baseline { flex-direction: column; gap: 8px; margin-top: 24px; }
  .hero-baseline p:first-child { display: none; }
  .showcase { padding-block: 48px 64px; }
  .showcase-copy { gap: 16px; margin-bottom: 24px; }
  .showcase h2, .questions > h2, .footer-invitation h2 { font-size: 28px; }
  .demo-index { padding: 20px; }
  #sample-choices { grid-template-columns: 1fr; gap: 4px; }
  #sample-choices button, #sample-choices a { min-height: 44px; }
  .demo-passage { padding: 24px 20px; margin: 0 8px 8px; min-height: 340px; }
  .demo-meta { font-size: 12px; gap: 12px; }
  .demo-passage h3 { font-size: 18px; margin-top: 24px; }
  .passage-line { grid-template-columns: 1fr; gap: 12px; margin-block: 24px; }
  .passage-line blockquote { font-size: 24px; }
  .demo-footer { gap: 12px; font-size: 13px; }
  .ownership-grid { grid-template-columns: 1fr; gap: 48px; }
  .ownership h2 { font-size: 38px; }
  .ownership-grid > div:first-child > p { max-width: 32ch; margin-block: 24px; }
  .route-source { flex-direction: row; }
  .route-source p { font-size: 14px; }
  .route-source > span { font-size: 18px; }
  .route-caption { margin-bottom: 24px; }
  .questions { padding-block: 64px; }
  .questions > h2 { margin-bottom: 40px; }
  .answer-row { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .answer-row h3 { font-size: 24px; }
  .footer-invitation { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer-invitation .button { width: 100%; }
  .site-footer { padding-top: 48px; }
  .footer-wordmark { margin-top: 40px; }
  .footer-links { flex-wrap: wrap; gap: 20px 24px; margin-top: 24px; font-size: 13px; }
  .footer-links > span { width: 100%; }
  .app-header .brand { gap: 8px; font-size: 20px; }
  .app-header .brand img { width: 26px; height: 26px; }
  .app-header-inner { gap: 12px; }
  .transcript-panel { padding: 20px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
