:root {
  color-scheme: dark;
  --bg: #0b0f0e;
  --surface: #111816;
  --surface-raised: #151e1b;
  --ink: #eee8d8;
  --soft: #bdb7a8;
  --muted: #8c887d;
  --rule: #2a332f;
  --gold: #d3ae58;
  --teal: #61b8a5;
  --violet: #9e8cf2;
  --red: #ef746d;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: 1180px;
  --reading: 720px;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
}

* { box-sizing: border-box; }
html {
  background: var(--bg);
  scroll-behavior: auto;
}
body {
  margin: 0;
  color: var(--soft);
  background:
    radial-gradient(circle at 88% -8%, rgba(211, 174, 88, .1), transparent 34rem),
    var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
video { display: block; max-width: 100%; }
a { color: var(--teal); text-underline-offset: .18em; }
button, select, input { font: inherit; }
.shell { width: min(calc(100% - 40px), var(--page)); margin-inline: auto; }
.reading { max-width: var(--reading); }
.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;
}
.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 99;
  transform: translateY(-180%);
  padding: .6rem .85rem;
  color: #09110f;
  background: var(--teal);
  border-radius: .35rem;
}
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.page-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
}
.back-link {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  transition:
    transform 150ms var(--ease-out),
    color 150ms ease,
    background-color 150ms ease;
}
.back-link svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.back-link:active { transform: scale(.97); }
.project-links {
  display: flex;
  flex: 0 1 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .4rem;
}
.project-link {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 1px solid var(--rule);
  border-radius: .65rem;
  color: var(--muted);
  text-decoration: none;
  transition:
    transform 150ms var(--ease-out),
    border-color 150ms ease,
    color 150ms ease,
    background-color 150ms ease;
}
.project-link-icon {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.project-link:active { transform: scale(.97); }
.presenters {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero {
  display: block;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}
.hero--text-only {
  text-align: center;
}
.hero-copy { width: 100%; }
.hero--text-only .hero-copy { margin-inline: auto; }
.hero--text-only .premise { margin-inline: auto; }
.hero--text-only .presenters {
  justify-content: center;
}
.hero > *, .hero-copy, .hero-visual { min-width: 0; }
.hero h1 { overflow-wrap: anywhere; }
.eyebrow, .kicker, .claim-id, .figure-meta {
  color: var(--gold);
  font: 700 .7rem/1.4 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 16ch;
  margin: .7rem 0 1rem;
  color: var(--ink);
  font: 500 clamp(2.8rem, 7vw, 6.6rem)/.94 var(--serif);
  letter-spacing: -.045em;
}
.hero h1.title-long { font-size: clamp(2.5rem, 6vw, 5.3rem); }
.hero--text-only h1 { max-width: 19ch; margin-inline: auto; }
.premise {
  width: 100%;
  margin: 0;
  color: var(--soft);
  font-size: clamp(1.02rem, 1.8vw, 1.24rem);
}
.presenters { margin-top: 1.3rem; color: var(--ink); }
.hero-visual {
  width: 100%;
  max-width: none;
  margin: clamp(2rem, 4vw, 3.5rem) 0 0;
}
.figure-link {
  display: block;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.poster-link,
.slides-link--hero {
  display: inline-block;
  margin-top: .65rem;
}
.poster-link + .slides-link--hero { margin-left: 1rem; }
figure figcaption {
  margin-top: .6rem;
  color: var(--muted);
  font: .72rem/1.5 var(--mono);
}

.material-action {
  transition:
    transform 150ms var(--ease-out),
    border-color 150ms ease,
    color 150ms ease,
    background-color 150ms ease;
}
.material-action:active {
  transform: scale(.97);
}

.section {
  padding-block: clamp(3.2rem, 6vw, 5.4rem);
  border-top: 1px solid var(--rule);
}
.section-secondary { padding-block: clamp(2.6rem, 5vw, 4.2rem); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, var(--reading)) minmax(11rem, 1fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.8rem;
}
.section h2 {
  margin: .35rem 0 0;
  color: var(--ink);
  font: 500 clamp(2rem, 4.8vw, 4.1rem)/1 var(--serif);
  letter-spacing: -.035em;
}
.section-secondary h2 { font-size: clamp(1.9rem, 3.8vw, 3.25rem); }
.section-note {
  max-width: 32ch;
  margin: 0 0 .3rem;
  color: var(--muted);
  font-size: .85rem;
}

.conclusion-grid,
.step-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--rule);
  background: var(--rule);
}
.conclusion-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step-list {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
}
.step-list[data-step-count="4"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.conclusion,
.step {
  min-height: 12rem;
  padding: 1.25rem;
  background: var(--surface);
}
.conclusion-number {
  color: var(--gold);
  font: 500 1.55rem/1 var(--serif);
}
.claim-id { display: none; }
html[data-mode="reviewer"] .claim-id { display: block; }
html[data-mode="reviewer"] .conclusion-number { display: none; }
.conclusion p {
  margin: .8rem 0 0;
  color: var(--ink);
  font: 500 1.16rem/1.45 var(--serif);
}

.summary-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(18rem, .88fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.prose p { margin: 0 0 1.15rem; }
.prose p:last-child { margin-bottom: 0; }
.judgment-panel {
  padding: 1.25rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.judgment-group + .judgment-group {
  margin-top: 1.35rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--rule);
}
.judgment-group h3 {
  margin: 0 0 .8rem;
  color: var(--gold);
  font: 700 .68rem/1.35 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.judgment-group h4 {
  margin: 0 0 .35rem;
  color: var(--ink);
  font: 500 1.2rem/1.3 var(--serif);
}
.judgment-group p { margin: 0; font-size: .92rem; }
.limits { margin: 0; padding-left: 1.15rem; font-size: .9rem; }
.limits li + li { margin-top: .55rem; }
.limits li::marker { color: var(--red); }

.step {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1.25rem;
}
.step-copy {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
}
.step-number {
  color: var(--gold);
  font: 500 1.55rem/1 var(--serif);
}
.step h3 {
  margin: 0 0 .45rem;
  color: var(--ink);
  font: 500 1.45rem/1.25 var(--serif);
}
.step h3, .step p { overflow-wrap: anywhere; }
.step p { margin: 0; }
.step > .figure-card {
  min-width: 0;
  margin-top: auto;
}
.step .figure-card img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.figure-card { margin: 0; }
.figure-card img, .slide-thumb img {
  width: 100%;
  background: #f5f1e5;
}

.watch {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  background: #050706;
}
.drive-video {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #050706;
}
.drive-poster {
  display: block;
  position: absolute;
  z-index: 1;
  inset: 0;
  background: #050706;
  pointer-events: none;
}
.drive-poster[hidden] { display: none; }
.drive-poster img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.drive-poster-play {
  display: grid;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4rem;
  height: 4rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  color: #fff;
  background: rgba(5, 7, 6, .78);
  box-shadow: 0 .5rem 2rem rgba(0, 0, 0, .32);
  transform: translate(-50%, -50%);
}
.drive-poster-play svg {
  width: 1.65rem;
  height: 1.65rem;
  fill: currentColor;
}
.watch-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1rem;
  color: var(--muted);
  font: .7rem/1.4 var(--mono);
}

.transcript { width: 100%; }
.transcript-heading {
  display: grid;
  justify-items: start;
  gap: .45rem;
}
.transcript-block { padding: 1.35rem 0; }
.transcript-block:first-child { padding-top: 0; }
.claim-audio-seek {
  appearance: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--teal);
  cursor: pointer;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: .2em;
}
.claim-audio-seek { font: inherit; }
.transcript-block blockquote {
  margin: 0;
  color: var(--ink);
  font: 500 1.14rem/1.62 var(--serif);
}
.transcript-block figure { margin: 1.3rem 0 0; }
.material-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}
.material-action {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
}
.material-action small { color: var(--muted); }
.materials-content > * + * { margin-top: 1.8rem; }
.slide-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.slide-thumb { margin: 0; }
.reviewer { border-top-color: var(--violet); }
.reviewer[hidden] { display: none; }
.review-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-bottom: 1.2rem;
}
.review-toolbar label { color: var(--ink); }
.review-toolbar select {
  padding: .5rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule);
}
.review-toolbar p { margin: 0 0 0 auto; color: var(--muted); font-size: .82rem; }
.claim-cards { display: grid; gap: 1rem; }
.claim-card {
  padding: 1rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.claim-card > header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.claim-card > header div { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.claim-card > header strong { color: var(--ink); }
.risk { color: var(--muted); font: .68rem/1.4 var(--mono); }
.status-source_confirmed, .status-externally_verified { color: var(--teal); }
.status-qualified { color: var(--violet); }
.status-unresolved, .status-omit { color: var(--red); }
.claim-wording {
  max-width: var(--reading);
  margin: .8rem 0 1rem;
  color: var(--ink);
  font: 500 1.12rem/1.5 var(--serif);
}
.claim-evidence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--rule);
}
.claim-evidence div { padding: .75rem; background: var(--bg); }
.claim-evidence dt {
  color: var(--gold);
  font: 700 .62rem/1.35 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.claim-evidence dd { margin: .3rem 0 0; overflow-wrap: anywhere; font-size: .82rem; }
details:not(.content-disclosure) {
  margin-top: 1rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}
details:not(.content-disclosure) > summary {
  cursor: pointer;
  padding: .8rem 1rem;
  color: var(--ink);
  font-weight: 700;
}
.details-body { padding: 0 1rem 1rem; }

.site-footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font: .68rem/1.7 var(--mono);
  text-align: center;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.synthetic-banner {
  margin: 0;
  padding: .65rem 1rem;
  color: #1b1202;
  background: var(--gold);
  text-align: center;
  font: 800 .75rem/1.4 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (hover: hover) and (pointer: fine) {
  a:hover { color: var(--ink); }
  .back-link:hover { background: var(--surface-raised); }
  .project-link:hover, .material-action:hover {
    border-color: var(--teal);
    background: rgba(97, 184, 165, .06);
  }
}
@media (max-width: 820px) {
  .section-head, .summary-layout { grid-template-columns: 1fr; }
  .hero h1 { max-width: 18ch; }
  .conclusion-grid { grid-template-columns: 1fr; }
  .conclusion, .step { min-height: 0; }
  .judgment-panel { max-width: var(--reading); }
}
@media (max-width: 560px) {
  body { font-size: 15px; }
  .shell { width: min(calc(100% - 28px), var(--page)); }
  .hero { padding-block: 2.25rem; }
  .hero h1, .hero h1.title-long { font-size: clamp(2.55rem, 13vw, 4rem); }
  .section { padding-block: 3rem; }
  .section-secondary { padding-block: 2.4rem; }
  .step-list[data-step-count="4"] { grid-template-columns: 1fr; }
  .material-actions, .slide-gallery, .claim-evidence { grid-template-columns: 1fr; }
  .watch-meta { display: grid; }
  .review-toolbar p { flex-basis: 100%; margin-left: 0; }
  .claim-card > header { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

@page {
  size: A4;
  margin: 17mm 15mm 18mm;
  @bottom-left { content: "Shape Rotator - editorial record"; font: 8pt var(--mono); color: #777; }
  @bottom-right { content: counter(page) " / " counter(pages); font: 8pt var(--mono); color: #777; }
}
@media print {
  :root {
    color-scheme: light;
    --bg: #f6f2e6;
    --surface: #fbf8ef;
    --surface-raised: #fffdf7;
    --ink: #211f1a;
    --soft: #49463e;
    --muted: #716d61;
    --rule: #c9c1ad;
    --gold: #80631c;
    --teal: #176e61;
    --violet: #51429f;
    --red: #9b3832;
  }
  html, body { background: var(--bg) !important; }
  body { font-size: 9.6pt; line-height: 1.45; }
  .shell { width: auto; max-width: none; }
  .skip-link,
  .page-tools,
  .reviewer,
  .watch iframe, .drive-poster,
  .site-footer { display: none !important; }
  .hero {
    display: block;
    padding-block: 7mm;
    text-align: left;
  }
  .hero-copy { break-inside: avoid; }
  .hero--text-only { display: block; }
  .hero--text-only h1, .hero--text-only .premise { margin-inline: 0; }
  .hero h1, .hero h1.title-long { font-size: 31pt; }
  .hero-visual {
    max-width: none;
    margin: 7mm 0 0;
    break-inside: avoid;
  }
  .section { padding-block: 8mm; }
  .section h2, .section-secondary h2 { font-size: 22pt; }
  .section-head {
    margin-bottom: 5mm;
    break-inside: avoid;
    break-after: avoid-page;
  }
  section[aria-labelledby="conclusions-title"] { break-inside: avoid; }
  .summary-layout { display: block; }
  .judgment-panel { margin-top: 6mm; }
  .conclusion { min-height: 0; padding: 4mm; }
  .conclusion p { font-size: 11pt; }
  .watch {
    min-height: 24mm;
    background: var(--surface);
    break-inside: avoid;
  }
  .watch::before {
    display: block;
    padding: 6mm 8mm 2mm;
    color: var(--ink);
    content: "Video available in the HTML edition";
    font: 500 15pt/1.2 var(--serif);
  }
  .step-list { display: block; }
  .step {
    display: block;
    break-inside: avoid;
  }
  .step + .step { margin-top: 7mm; }
  .step-copy { margin-bottom: 5mm; break-inside: avoid; }
  .figure-link { padding: 3mm; }
  .figure-card img, .slide-thumb img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 140mm;
    margin-inline: auto;
    object-fit: contain;
  }
  .slide-gallery { display: block; }
  .slide-thumb + .slide-thumb { margin-top: 7mm; }
  .transcript-block {
    padding-block: 3mm;
    break-inside: auto;
  }
  .transcript-block blockquote {
    margin-top: 2mm;
    font-size: 9pt;
    line-height: 1.4;
    orphans: 3;
    widows: 3;
  }
  body[data-presentation-id="d1-07-tinycloud"] .transcript-block blockquote {
    font-size: 8.9pt;
  }
  body[data-presentation-id="d1-13-solarpunk-lunarpunk"] .transcript-block {
    padding-block: 2mm;
  }
  body[data-presentation-id="d1-13-solarpunk-lunarpunk"] .transcript-block blockquote {
    font-size: 8.6pt;
    line-height: 1.3;
  }
  body[data-presentation-id="d2-12-ndai"] .transcript-block {
    padding-block: 2mm;
  }
  body[data-presentation-id="d2-12-ndai"] .transcript-block blockquote {
    font-size: 8.8pt;
    line-height: 1.35;
  }
  body:is(
    [data-presentation-id="d2-04-token-subsidies"],
    [data-presentation-id="d2-07-trustless-tee"],
    [data-presentation-id="d2-16-daedalus-anchor"]
  ) .transcript-block {
    padding-block: 2mm;
  }
  body:is(
    [data-presentation-id="d2-04-token-subsidies"],
    [data-presentation-id="d2-07-trustless-tee"],
    [data-presentation-id="d2-16-daedalus-anchor"]
  ) .transcript-block blockquote {
    font-size: 8.6pt;
    line-height: 1.3;
  }
  body:is(
    [data-presentation-id="d2-04-token-subsidies"],
    [data-presentation-id="d2-07-trustless-tee"],
    [data-presentation-id="d2-16-daedalus-anchor"]
  ) .figure-card {
    width: 82%;
    margin-inline: auto;
  }
  body[data-presentation-id="d2-07-trustless-tee"] .step {
    break-inside: auto;
  }
  body[data-presentation-id="d2-07-trustless-tee"] .figure-card {
    width: 72%;
  }
  body[data-presentation-id="d2-07-trustless-tee"] .transcript-block {
    padding-block: 1.5mm;
  }
  body[data-presentation-id="d2-07-trustless-tee"] .transcript-block blockquote {
    font-size: 8.2pt;
    line-height: 1.2;
  }
  .transcript-block figure { margin-top: 5mm; }
  .media-section .materials-content > * + * { margin-top: 3mm; }
  .media-section { padding-block: 3mm; }
  .media-section .section-head { margin-bottom: 2mm; }
  .media-section .kicker { display: none; }
  .media-section h2 { font-size: 16pt; }
  .media-section .section-note { display: none; }
  .media-section .material-actions { display: none; }
  .media-section .material-poster-action { display: none; }
  .media-section .material-action { padding: 2.5mm; }
  .media-section--links-only { display: none; }
  .conclusion, .step, .judgment-panel, figure, .material-action { break-inside: avoid; }
  h1, h2, h3, h4 { break-after: avoid; }
  a { color: var(--teal); text-decoration: none; }
}

[data-transcript-display-hidden][hidden] {
  display: none !important;
}