:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5f6b7d;
  --line: #d9e0ea;
  --paper: #ffffff;
  --soft: #f5f7fb;
  --accent: #0f766e;
  --accent-dark: #0d5752;
  --link-blue: #1f9cf0;
  --button-bg: #333333;
  --button-hover: #191919;
  --gold: #b7791f;
  --max: 1080px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, ui-sans-serif, system-ui, sans-serif;
  --font-display: "Helvetica Neue", Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-main);
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfcff 0%, #ffffff 76%);
}

.hero-inner {
  padding: 56px 0 40px;
  text-align: center;
}

.venue {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  max-width: 1120px;
  margin: 0 auto 22px;
  color: #333333;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5.25vw, 4.85rem);
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: 0;
  text-wrap: balance;
}

h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.28;
}

.authors {
  max-width: 1080px;
  margin: 0 auto 10px;
  color: var(--link-blue);
  font-size: clamp(1.04rem, 1.6vw, 1.24rem);
  line-height: 1.55;
  font-weight: 500;
}

.affiliations {
  margin: 0 auto 6px;
  color: #555555;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.4;
  font-weight: 500;
}

.author-notes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 18px;
  margin: 0 auto 24px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

.author-notes span {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  white-space: nowrap;
}

.note-mark {
  font-weight: 700;
  font-size: 0.98em;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--button-bg);
  border-radius: 999px;
  background: var(--button-bg);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
  transition: background-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.16);
}

.button.muted {
  border-color: var(--line);
  background: #e9eef5;
  color: #526070;
  cursor: default;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
  transform: none;
}

.button.muted:hover {
  background: #e9eef5;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 1.12em;
  height: 1.12em;
  color: currentColor;
}

.button-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.hf-icon {
  width: auto;
  font-size: 1.08em;
  line-height: 1;
}

.tldr {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: #2a3445;
  font-size: 1.02rem;
  text-align: left;
}

.section {
  padding: 58px 0;
}

.lead {
  max-width: 900px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.05rem;
}

.wide-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(23, 32, 51, 0.08);
}

.wide-figure.compact {
  margin-top: 24px;
}

.wide-figure img {
  background: white;
}

figcaption {
  padding: 12px 16px 14px;
  color: var(--muted);
  font-size: 0.94rem;
  border-top: 1px solid var(--line);
}

.band {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.three-up {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.three-up article,
.resource-card,
.demo-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.three-up article {
  padding: 20px;
}

.metric {
  display: block;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 2.35rem;
  line-height: 1;
  font-weight: 800;
}

.three-up p,
.resource-card span,
.caption-panel p,
.footer p {
  margin: 0;
  color: var(--muted);
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.demo-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  min-height: 260px;
  overflow: hidden;
}

.video-placeholder {
  display: grid;
  place-items: center;
  min-height: 260px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(183, 121, 31, 0.12)),
    repeating-linear-gradient(45deg, rgba(23, 32, 51, 0.06), rgba(23, 32, 51, 0.06) 8px, transparent 8px, transparent 16px);
  color: #455368;
  font-weight: 800;
}

.video-placeholder span {
  padding: 10px 14px;
  border: 1px solid rgba(69, 83, 104, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
}

.caption-panel {
  padding: 22px;
}

.caption-panel code {
  padding: 1px 4px;
  border-radius: 4px;
  background: #eef3f7;
  color: #344256;
  font-size: 0.9em;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 10px 0 28px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  text-decoration: none;
}

.resource-card:hover {
  border-color: rgba(15, 118, 110, 0.55);
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.08);
}

.resource-label {
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.result-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.06);
}

.result-card.span-2 {
  grid-column: span 2;
}

.result-head {
  margin-bottom: 12px;
}

.result-head h3 {
  margin: 0;
  font-size: 1rem;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.mini-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  color: #1c2433;
  font-size: 0.82rem;
  line-height: 1.25;
}

.result-card:not(.span-2) .mini-table {
  min-width: 0;
}

.mini-table th,
.mini-table td {
  padding: 7px 8px;
  border-bottom: 1px solid #e2e7ef;
  text-align: right;
  white-space: nowrap;
}

.mini-table th:first-child,
.mini-table td:first-child {
  text-align: left;
  white-space: normal;
}

.mini-table thead th {
  border-top: 1px solid #c8d2df;
  border-bottom-color: #b8c4d2;
  background: #f7f9fc;
  color: #2c3545;
  font-weight: 800;
}

.mini-table tbody tr:hover {
  background: #fbfcff;
}

.mini-table .group-row td {
  padding-top: 10px;
  padding-bottom: 5px;
  color: var(--muted);
  font-style: italic;
  font-weight: 700;
  text-align: left;
  background: #fbfcff;
}

.gain {
  color: #1f9d4b;
  font-weight: 700;
}

.panel-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.line-chart {
  display: block;
  width: 100%;
  min-height: 250px;
  border: 1px solid #e2e7ef;
  border-radius: 8px;
  background: #fbfcff;
}

.axis {
  stroke: #8793a5;
  stroke-width: 1.2;
}

.baseline {
  stroke: #4a90d9;
  stroke-width: 1.4;
  stroke-dasharray: 3 5;
}

.chart-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-line.primary {
  stroke: #2d7fc0;
}

.chart-line.secondary {
  stroke: #ff8a1d;
  stroke-dasharray: 8 6;
}

.points circle {
  stroke: white;
  stroke-width: 2;
}

.primary-points circle,
.legend-primary {
  fill: #2d7fc0;
}

.secondary-points circle,
.legend-secondary {
  fill: #ff8a1d;
}

.tick,
.chart-label,
.chart-value,
.legend text {
  fill: #344256;
  font-family: var(--font-main);
  font-size: 12px;
}

.chart-value {
  font-weight: 800;
}

.secondary-text {
  fill: #6f3b18;
}

pre {
  margin: 0;
  padding: 18px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
  color: #e5edf7;
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  background: #f9fafc;
  font-size: 0.92rem;
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 28px, var(--max));
  }

  .hero-inner {
    padding: 42px 0 30px;
  }

  .section {
    padding: 42px 0;
  }

  .three-up,
  .resource-grid,
  .results-grid,
  .demo-card {
    grid-template-columns: 1fr;
  }

  .result-card.span-2 {
    grid-column: auto;
  }

  .result-card {
    padding: 14px;
  }

  .mini-table {
    min-width: 680px;
    font-size: 0.78rem;
  }

  .result-card:not(.span-2) .mini-table {
    min-width: 520px;
  }

  .demo-card {
    min-height: 0;
  }

  .video-placeholder {
    min-height: 210px;
  }

  .button {
    min-height: 38px;
    padding: 0 13px;
    font-size: 0.94rem;
  }

  h1 {
    max-width: 360px;
    font-size: clamp(2rem, 8.4vw, 2.25rem);
    line-height: 1.12;
  }
}