:root {
  --black: #080808;
  --black-soft: #111111;
  --black-raised: #1a1a1a;
  --paper: #ffffff;
  --white: #ffffff;
  --gray: #64748b;
  --gray-dark: #64748b;
  --line-dark: rgba(37, 85, 189, .16);
  --line-light: rgba(37, 85, 189, .16);
  --orange: #3568d4;
  --orange-hot: #2555bd;
  --purple: #224b9a;
  --purple-deep: #102451;
  --chart-bg: #ffffff;
  --chart-panel: #fbfcff;
  --chart-border: #d8e2f5;
  --chart-grid: #dfe7f4;
  --chart-text: #243852;
  --chart-muted: #718097;
  --chart-marker-outline: #ffffff;
  --shell-max: 1280px;
  --media-shell-max: 1440px;
  --shell: min(var(--shell-max), calc(100vw - 64px));
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --hero-rounded: Fredoka, "Arial Rounded MT Bold", Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --hero-script: Courgette, "Segoe Script", "Brush Script MT", cursive;
  --mono: "Geist Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  background: var(--black);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background: var(--black);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.has-open-menu,
body:has(.lightbox[open]) { overflow: hidden; }

img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; }
a { color: inherit; text-decoration: none; }

::selection { color: var(--black); background: var(--orange); }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--black);
  background: var(--orange);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

.shell { width: var(--shell); margin-inline: auto; }

.scroll-progress {
  position: fixed;
  z-index: 1100;
  inset: 0 0 auto;
  height: 3px;
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 76px;
  border-bottom: 1px solid transparent;
  transition: height 220ms ease, background 220ms ease, border-color 220ms ease;
}
.site-header.is-scrolled {
  height: 64px;
  border-color: var(--line-light);
  background: rgba(16, 14, 17, .9);
  backdrop-filter: blur(18px);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-inline: 1px solid var(--line-light);
  padding-inline: 24px;
}

.brand {
  display: inline-flex;
  align-items: flex-start;
  gap: 7px;
  line-height: 1;
}
.brand-word {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -.045em;
}
.brand-index {
  margin-top: 2px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
}

.nav-menu { display: flex; align-items: center; gap: 34px; }
.nav-links { display: flex; align-items: center; gap: 25px; }
.nav-links a {
  position: relative;
  color: var(--gray);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.nav-links a::after {
  content: "";
  position: absolute;
  inset: auto 0 -9px;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}
.nav-links a:hover,
.nav-links a.is-active { color: var(--paper); }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }

.nav-paper {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 17px;
  border: 1px solid var(--paper);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}
.nav-paper:hover { color: var(--black); border-color: var(--orange); background: var(--orange); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 148px 0 0;
  background: var(--black);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(239, 237, 240, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(239, 237, 240, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center 4px;
  mask-image: linear-gradient(to bottom, black 0%, rgba(0,0,0,.75) 56%, transparent 92%);
}
.hero-glow {
  position: absolute;
  z-index: 0;
  top: -28%;
  left: 50%;
  width: min(1100px, 105vw);
  aspect-ratio: 12 / 5;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 50%, rgba(249,109,87,.46), transparent 34%),
    radial-gradient(circle at 67% 50%, rgba(136,39,221,.5), transparent 36%);
  filter: blur(64px);
  transform: translateX(-50%);
}

.hero-copy,
.hero-stage,
.hero-credit { position: relative; z-index: 1; }
.hero-copy {
  min-height: 610px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-inline: 1px solid var(--line-light);
  padding: 36px 48px 58px;
  text-align: center;
}
.hero-meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--gray);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 1050px;
  margin: auto 0 0;
  font-family: var(--serif);
  font-size: clamp(50px, 6.45vw, 90px);
  font-weight: 500;
  line-height: .93;
  letter-spacing: -.062em;
  text-wrap: balance;
}
.hero h1::first-line { color: var(--orange); }

.hero-summary {
  max-width: 750px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  margin: 40px auto auto;
}
.hero-summary > p { margin: 0; color: #d0ccd2; font-size: 16px; line-height: 1.65; }
.hero-actions { display: flex; justify-content: center; gap: 9px; }

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 19px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { color: var(--black); background: var(--orange); }
.button-dark:hover { background: var(--white); }
.button-quiet { color: var(--paper); border-color: var(--line-light); background: rgba(16,14,17,.3); }
.button-quiet:hover { border-color: var(--paper); }
.button-light { color: var(--paper); border-color: var(--paper); background: transparent; }
.button-light:hover { color: var(--paper); border-color: var(--black); background: var(--black); }

.hero-stage {
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-bottom: 0;
  background: var(--white);
  box-shadow: 0 50px 130px rgba(0,0,0,.45);
  transform-style: preserve-3d;
  transition: transform 180ms ease;
}
.figure-toolbar {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--black);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.figure-button { position: relative; width: 100%; display: block; padding: 0; overflow: hidden; border: 0; background: transparent; cursor: zoom-in; }
.figure-button img { width: 100%; height: auto; transition: transform 600ms cubic-bezier(.2,.75,.2,1), filter 300ms ease; }
.figure-button:hover img { transform: scale(1.01); }
.figure-open {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 8px 11px;
  border: 1px solid rgba(239,237,240,.4);
  border-radius: 999px;
  color: var(--paper);
  background: rgba(16,14,17,.9);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .04em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.figure-button:hover .figure-open,
.figure-button:focus-visible .figure-open { opacity: 1; transform: translateY(0); }

.hero-credit {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 10px 32px;
  padding: 24px 28px 30px;
  border: 1px solid var(--line-light);
  color: var(--gray);
}
.hero-credit p { margin: 0; }
.authors { color: var(--paper); font-family: var(--serif); font-size: 17px; line-height: 1.55; }
.authors strong { font-weight: 600; }
.authors sup, .author-note sup { color: var(--orange); font-family: var(--mono); font-size: .6em; }
.affiliations { font-family: var(--mono); font-size: 9px; line-height: 1.7; text-transform: uppercase; }
.author-note { font-family: var(--mono); font-size: 9px; text-transform: uppercase; }

.research-marquee { overflow: hidden; border-block: 1px solid var(--line-light); background: var(--black); }
.research-marquee-track { width: max-content; display: flex; will-change: transform; animation: marquee 28s linear infinite; }
.research-marquee span {
  display: block;
  padding: 21px 14px 25px;
  color: var(--purple);
  font-family: var(--serif);
  font-size: clamp(38px, 5.2vw, 72px);
  line-height: .85;
  letter-spacing: -.055em;
  white-space: nowrap;
}
.research-marquee span:nth-child(2) { color: var(--orange); }
@keyframes marquee { to { transform: translateX(-50%); } }

.proof-band { color: var(--black); background: var(--paper); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-inline: 1px solid var(--line-dark); }
.proof-item { min-height: 280px; display: flex; flex-direction: column; justify-content: space-between; padding: 38px 28px 30px; border-right: 1px solid var(--line-dark); }
.proof-item:last-child { border-right: 0; }
.proof-value { font-family: var(--serif); font-size: clamp(54px, 5.4vw, 78px); font-weight: 500; letter-spacing: -.07em; line-height: .9; }
.proof-item:nth-child(2) .proof-value,
.proof-item:nth-child(4) .proof-value { color: var(--purple); }
.proof-item:nth-child(1) .proof-value,
.proof-item:nth-child(3) .proof-value { color: var(--orange-hot); }
.proof-value small { margin-left: 2px; font-family: var(--mono); font-size: .23em; letter-spacing: 0; }
.proof-item p { margin: 0; color: var(--gray-dark); font-family: var(--mono); font-size: 10px; line-height: 1.55; text-transform: uppercase; }

.section { position: relative; padding: 140px 0; border-top: 1px solid var(--line-light); }
.section-heading {
  display: grid;
  grid-template-columns: minmax(160px, .38fr) 1.62fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 80px;
  padding: 0 28px 76px;
  border-inline: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}
.section-heading.compact { margin-bottom: 34px; }
.eyebrow { margin: 5px 0 0; font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.section-heading h2,
.split-copy h2,
.citation-copy h2,
.takeaway h2 { margin: 0; font-family: var(--serif); font-size: clamp(48px, 6.3vw, 88px); font-weight: 500; line-height: .95; letter-spacing: -.06em; }
h2 em { color: var(--orange); font-weight: inherit; }

.intro-section { color: var(--paper); background: var(--black-soft); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line-light); }
.intro-thesis { padding: 42px 44px; border-right: 1px solid var(--line-light); }
.intro-thesis p { margin: 0 0 24px; color: var(--gray); font-size: 15px; line-height: 1.75; }
.intro-thesis .lead { color: var(--paper); font-family: var(--serif); font-size: clamp(28px, 3vw, 42px); line-height: 1.12; letter-spacing: -.038em; }
.principles { margin: 0; padding: 0; list-style: none; }
.principles li { min-height: 33.333%; display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: center; padding: 24px 30px; border-bottom: 1px solid var(--line-light); }
.principles li:last-child { border-bottom: 0; }
.principle-number { color: var(--orange); font-family: var(--mono); font-size: 9px; }
.principles h3 { margin: 0 0 5px; font-family: var(--serif); font-size: 25px; font-weight: 500; letter-spacing: -.035em; }
.principles p { margin: 0; color: var(--gray); font-size: 13px; }

.capture-section { color: var(--paper); background: var(--purple); }
.capture-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .24;
  background-image: linear-gradient(rgba(239,237,240,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(239,237,240,.16) 1px, transparent 1px);
  background-size: 56px 56px;
}
.split-layout { position: relative; z-index: 1; display: grid; grid-template-columns: .72fr 1.28fr; align-items: stretch; border: 1px solid rgba(239,237,240,.38); background: var(--purple); }
.split-copy { display: flex; flex-direction: column; padding: 42px 38px; border-right: 1px solid rgba(239,237,240,.38); }
.split-copy h2 { margin-top: 52px; font-size: clamp(48px, 5vw, 76px); }
.split-copy h2::first-line { color: var(--orange); }
.split-copy > p:not(.eyebrow) { margin: 34px 0 0; color: #ddd2e6; font-size: 15px; line-height: 1.75; }
.capture-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: auto -38px -42px; }
.capture-specs div { padding: 19px 17px 21px; border-top: 1px solid rgba(239,237,240,.38); border-right: 1px solid rgba(239,237,240,.38); }
.capture-specs div:last-child { border-right: 0; }
.capture-specs dt { font-family: var(--serif); font-size: 30px; letter-spacing: -.045em; }
.capture-specs dd { margin: 3px 0 0; color: #d1c6da; font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.media-card { overflow: hidden; border: 0; background: var(--white); }
.media-card-coral { transform: none; }
.media-card figcaption,
.evidence-card figcaption { display: flex; justify-content: space-between; gap: 24px; padding: 15px 17px 17px; border-top: 1px solid var(--line-dark); color: var(--black); background: var(--paper); font-family: var(--mono); font-size: 9px; line-height: 1.6; text-transform: uppercase; }
.media-card figcaption span,
.evidence-card figcaption span { color: var(--gray-dark); white-space: nowrap; }

.method-section { overflow: hidden; color: var(--black); border-color: var(--line-dark); background: var(--paper); }
.method-section .section-heading { border-color: var(--line-dark); }
.method-section h2 em { color: var(--purple); }
.method-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 0; border: 1px solid var(--line-dark); }
.method-tabs { background: var(--paper); }
.method-tabs button { width: 100%; min-height: 112px; display: grid; grid-template-columns: 38px 1fr; gap: 2px 12px; padding: 22px 24px; border: 0; border-bottom: 1px solid var(--line-dark); text-align: left; background: transparent; cursor: pointer; }
.method-tabs button:last-child { border-bottom: 0; }
.method-tabs button > span { grid-row: 1 / 3; color: var(--gray-dark); font-family: var(--mono); font-size: 9px; }
.method-tabs strong { font-family: var(--serif); font-size: 25px; font-weight: 500; letter-spacing: -.035em; }
.method-tabs small { color: var(--gray-dark); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.method-tabs button[aria-selected="true"] { color: var(--paper); background: var(--purple); }
.method-tabs button[aria-selected="true"] > span,
.method-tabs button[aria-selected="true"] small { color: #e7d8f3; }
.method-story { min-height: 336px; padding: 34px 38px 28px; border-left: 1px solid var(--line-dark); color: var(--paper); background: var(--black); }
.method-story-top { display: flex; justify-content: space-between; gap: 24px; }
.method-kicker, .method-index { margin: 0; color: var(--gray); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.method-story h3 { max-width: 720px; margin: 60px 0 14px; font-family: var(--serif); font-size: clamp(36px, 4.1vw, 58px); font-weight: 500; line-height: .98; letter-spacing: -.055em; }
.method-story > p:not(.method-kicker) { max-width: 690px; margin: 0; color: var(--gray); font-size: 14px; line-height: 1.7; }
.method-rule { height: 2px; margin-top: 38px; overflow: hidden; background: rgba(239,237,240,.16); }
.method-rule span { display: block; width: 33.333%; height: 100%; background: linear-gradient(90deg, var(--orange), var(--purple)); transition: width 360ms cubic-bezier(.2,.8,.2,1); }
.method-figure { margin-top: 28px; overflow: hidden; border: 1px solid var(--line-dark); background: var(--white); }
.policy-bridge { display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: end; margin-top: 28px; padding: 36px 38px; border: 1px solid var(--line-dark); }
.policy-bridge h3 { max-width: 780px; margin: 36px 0 0; font-family: var(--serif); font-size: clamp(34px, 4vw, 56px); font-weight: 500; line-height: 1.02; letter-spacing: -.05em; }
.policy-bridge > p { margin: 0; color: var(--gray-dark); font-size: 15px; line-height: 1.7; }

.tasks-section { color: var(--paper); background: var(--black-soft); }
.tasks-section .section-heading { border-color: var(--line-light); }
.tasks-section h2 em { color: var(--orange); }
.task-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 0; margin-bottom: 22px; padding: 0; list-style: none; }
.task-tags li { padding: 8px 12px; border: 1px solid var(--line-light); border-radius: 999px; color: var(--gray); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.task-tags li:first-child { color: var(--black); border-color: var(--orange); background: var(--orange); }
.tasks-figure { overflow: hidden; border: 1px solid var(--line-light); background: var(--white); }

.results-section { color: var(--black); border-color: var(--line-dark); background: var(--paper); }
.results-section .section-heading { border-color: var(--line-dark); }
.results-section h2 em { color: var(--purple); }
.result-feature { display: grid; grid-template-columns: .5fr .92fr 1.08fr; gap: 44px; align-items: end; padding: 40px; border: 1px solid var(--line-dark); background: var(--white); }
.result-controls { align-self: start; display: flex; flex-direction: column; gap: 7px; }
.result-controls button { min-height: 42px; padding: 10px 13px; border: 1px solid var(--line-dark); border-radius: 999px; color: var(--gray-dark); background: transparent; font-family: var(--mono); font-size: 9px; text-transform: uppercase; cursor: pointer; }
.result-controls button.is-active { color: var(--paper); border-color: var(--purple); background: var(--purple); }
.result-score > p:first-child { margin: 0 0 13px; color: var(--gray-dark); font-family: var(--mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase; }
.score-line { display: flex; align-items: baseline; gap: 9px; font-family: var(--serif); font-size: clamp(62px, 7vw, 98px); letter-spacing: -.08em; line-height: .82; }
.score-line i { color: var(--orange); font-family: var(--sans); font-size: .4em; font-style: normal; }
.score-line small { font-family: var(--mono); font-size: .16em; letter-spacing: 0; }
.score-note { margin: 20px 0 0; color: var(--gray-dark); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.result-bars { display: flex; flex-direction: column; gap: 20px; }
.bar-row { display: grid; grid-template-columns: 82px 1fr 40px; gap: 12px; align-items: center; }
.bar-row > span { color: var(--gray-dark); font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.bar-row > div { height: 10px; overflow: hidden; background: #d8d5d9; }
.bar-row i { display: block; width: var(--value); height: 100%; background: var(--black); transition: width 420ms cubic-bezier(.2,.8,.2,1); }
.bar-row.is-human i { background: linear-gradient(90deg, var(--orange), var(--purple)); }
.bar-row strong { font-family: var(--mono); font-size: 10px; }
.evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 28px; border: 1px solid var(--line-dark); background: var(--line-dark); }
.evidence-card { min-width: 0; overflow: hidden; margin: 0; background: var(--white); }
.evidence-wide { grid-column: 1 / -1; }
.evidence-card figcaption { min-height: 72px; align-items: baseline; }
.evidence-card figcaption strong { max-width: 70%; font-size: 9px; text-align: right; }
.stat-card { min-height: 430px; display: flex; flex-direction: column; padding: 34px; color: var(--paper); background: var(--purple); }
.stat-card .eyebrow { margin: 0; color: #e2d1ef; }
.stat-card-value { margin-top: auto; font-family: var(--serif); font-size: clamp(78px, 8vw, 116px); font-weight: 500; letter-spacing: -.08em; line-height: .85; }
.stat-card-value small { font-family: var(--mono); font-size: .18em; letter-spacing: 0; }
.stat-card h3 { margin: 28px 0 10px; font-family: var(--serif); font-size: 27px; font-weight: 500; letter-spacing: -.035em; }
.stat-card > p:last-child { max-width: 490px; margin: 0; color: #e2d7ea; font-size: 13px; line-height: 1.65; }

.takeaway-section { padding: 126px 0; color: var(--black); border-color: rgba(16,14,17,.25); background: var(--orange); }
.takeaway { padding: 0 28px; text-align: center; }
.takeaway .eyebrow { margin: 0 0 46px; }
.takeaway h2 { max-width: 1100px; margin-inline: auto; }
.takeaway h2 em { color: var(--black); }
.takeaway .button { margin-top: 48px; }

.citation-section { color: var(--paper); background: var(--black); }
.citation-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 0; border: 1px solid var(--line-light); }
.citation-copy { padding: 38px; border-right: 1px solid var(--line-light); }
.citation-copy .eyebrow { color: var(--orange); }
.citation-copy h2 { margin-top: 52px; }
.citation-copy p:last-child { max-width: 370px; margin: 34px 0 0; color: var(--gray); font-size: 14px; line-height: 1.7; }
.citation-code { overflow: hidden; background: var(--black-soft); }
.code-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 13px 16px; border-bottom: 1px solid var(--line-light); }
.code-toolbar span { color: var(--gray); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.code-toolbar button { padding: 7px 10px; border: 1px solid var(--line-light); border-radius: 999px; color: var(--paper); background: transparent; font-family: var(--mono); font-size: 9px; text-transform: uppercase; cursor: pointer; }
.code-toolbar button:hover { color: var(--black); border-color: var(--orange); background: var(--orange); }
.citation-code pre { margin: 0; padding: 28px; overflow-x: auto; color: #d7d2d9; font-family: var(--mono); font-size: 11px; line-height: 1.75; }
.copy-status { min-height: 28px; margin: 0; padding: 0 16px 12px; color: var(--orange); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }

.site-footer { padding: 28px 0; border-top: 1px solid var(--line-light); background: var(--black); }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-inline: 24px; }
.footer-row p { margin: 0; color: var(--gray-dark); font-family: var(--mono); font-size: 8px; letter-spacing: .05em; text-transform: uppercase; }

.lightbox { width: min(1500px, calc(100vw - 40px)); max-width: none; max-height: calc(100vh - 40px); padding: 0; overflow: hidden; border: 1px solid var(--line-light); color: var(--paper); background: var(--black); box-shadow: 0 40px 120px rgba(0,0,0,.65); }
.lightbox::backdrop { background: rgba(16,14,17,.88); backdrop-filter: blur(12px); }
.lightbox-inner { display: flex; max-height: calc(100vh - 40px); flex-direction: column; }
.lightbox-toolbar { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 13px 15px; border-bottom: 1px solid var(--line-light); }
.lightbox-toolbar p { margin: 0; color: var(--gray); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.lightbox-toolbar button { padding: 7px 11px; border: 1px solid var(--line-light); border-radius: 999px; color: var(--paper); background: transparent; font-family: var(--mono); font-size: 9px; text-transform: uppercase; cursor: pointer; }
.lightbox img { width: 100%; min-height: 0; object-fit: contain; background: var(--white); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 720ms cubic-bezier(.2,.75,.2,1), transform 720ms cubic-bezier(.2,.75,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  :root { --shell: min(100% - 40px, 960px); }
  .hero { padding-top: 120px; }
  .hero-copy { min-height: 560px; padding-inline: 36px; }
  .proof-item { min-height: 235px; padding-inline: 20px; }
  .section { padding: 108px 0; }
  .section-heading { grid-template-columns: 140px 1fr; gap: 36px; margin-bottom: 60px; padding-bottom: 58px; }
  .intro-thesis { padding: 34px; }
  .split-layout { grid-template-columns: 1fr; }
  .split-copy { border-right: 0; border-bottom: 1px solid rgba(239,237,240,.38); }
  .capture-specs { margin-top: 40px; }
  .method-layout { grid-template-columns: .85fr 1.15fr; }
  .policy-bridge { gap: 40px; }
  .result-feature { grid-template-columns: .5fr 1fr; }
  .result-bars { grid-column: 1 / -1; }
  .citation-layout { grid-template-columns: .8fr 1.2fr; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 28px); }
  html { scroll-padding-top: 66px; }
  .site-header { height: 64px; }
  .site-header.is-scrolled { height: 60px; }
  .nav { padding-inline: 14px; }
  .menu-toggle { min-height: 36px; display: block; padding: 8px 12px; border: 1px solid var(--line-light); border-radius: 999px; color: var(--paper); background: var(--black); font-family: var(--mono); font-size: 9px; text-transform: uppercase; cursor: pointer; }
  .nav-menu { position: fixed; inset: 63px 0 auto; display: grid; gap: 18px; padding: 20px 14px 26px; border-bottom: 1px solid var(--line-light); background: var(--black); opacity: 0; pointer-events: none; transform: translateY(-10px); transition: opacity 180ms ease, transform 180ms ease; }
  .nav-menu.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-links { display: grid; gap: 0; }
  .nav-links a { padding: 14px 2px; border-bottom: 1px solid var(--line-light); color: var(--paper); font-family: var(--serif); font-size: 23px; text-transform: none; }
  .nav-links a::after { display: none; }
  .nav-paper { width: 100%; }
  .hero { padding-top: 94px; }
  .hero::before { background-size: 44px 44px; }
  .hero-copy { min-height: 620px; padding: 24px 18px 42px; }
  .hero-meta span:nth-child(2) { display: none; }
  .hero h1 { font-size: clamp(43px, 12.5vw, 61px); line-height: .96; }
  .hero-summary { margin-top: 34px; }
  .hero-summary > p { font-size: 14px; }
  .hero-actions { width: 100%; flex-direction: column; }
  .hero-stage { width: calc(100vw - 12px); }
  .figure-toolbar span:last-child { display: none; }
  .hero-stage .figure-button { overflow-x: auto; }
  .hero-stage .figure-button img { width: 900px; max-width: none; }
  .figure-open { display: none; }
  .hero-credit { grid-template-columns: 1fr; padding: 20px 17px 24px; }
  .authors { font-size: 14px; }
  .research-marquee span { padding-block: 17px 20px; font-size: 42px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item { min-height: 190px; padding: 25px 17px 22px; border-bottom: 1px solid var(--line-dark); }
  .proof-item:nth-child(2n) { border-right: 0; }
  .proof-value { font-size: 49px; }
  .section { padding: 86px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 28px; margin-bottom: 42px; padding: 0 18px 40px; }
  .section-heading h2, .split-copy h2, .citation-copy h2, .takeaway h2 { font-size: clamp(43px, 13vw, 62px); }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-thesis { padding: 27px 22px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .intro-thesis .lead { font-size: 29px; }
  .principles li { padding-inline: 22px; }
  .split-copy { padding: 27px 22px 0; }
  .split-copy h2 { margin-top: 34px; }
  .split-copy > p:not(.eyebrow) { margin-top: 26px; }
  .capture-specs { margin: 34px -22px 0; }
  .capture-specs div { padding: 15px 11px 17px; }
  .capture-specs dt { font-size: 25px; }
  .capture-specs dd { font-size: 7px; }
  .media-card figcaption { display: block; }
  .media-card figcaption span { display: block; margin-bottom: 5px; }
  .method-layout { grid-template-columns: 1fr; }
  .method-tabs button { min-height: 94px; padding-inline: 20px; }
  .method-story { min-height: 380px; padding: 27px 22px 24px; border-top: 1px solid var(--line-dark); border-left: 0; }
  .method-story h3 { margin-top: 58px; }
  .method-figure { width: calc(100vw - 12px); }
  .method-figure .figure-button { overflow-x: auto; }
  .method-figure img { width: 840px; max-width: none; }
  .policy-bridge { grid-template-columns: 1fr; gap: 28px; padding: 28px 22px; }
  .policy-bridge h3 { font-size: 35px; }
  .task-tags { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; }
  .task-tags li { flex: 0 0 auto; }
  .tasks-figure { width: calc(100vw - 12px); }
  .tasks-figure .figure-button { overflow-x: auto; }
  .tasks-figure img { width: 760px; max-width: none; }
  .result-feature { grid-template-columns: 1fr; gap: 31px; padding: 25px 20px; }
  .result-controls { flex-direction: row; }
  .result-controls button { flex: 1; }
  .result-bars { grid-column: auto; }
  .bar-row { grid-template-columns: 68px 1fr 38px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-wide { grid-column: auto; }
  .evidence-wide .figure-button { overflow-x: auto; }
  .evidence-wide img { width: 890px; max-width: none; }
  .evidence-card figcaption { display: block; min-height: 0; }
  .evidence-card figcaption span { display: block; margin-bottom: 6px; }
  .evidence-card figcaption strong { max-width: none; text-align: left; }
  .stat-card { min-height: 360px; padding: 27px 22px; }
  .takeaway-section { padding: 88px 0; }
  .takeaway { padding-inline: 12px; }
  .citation-layout { grid-template-columns: 1fr; }
  .citation-copy { padding: 27px 22px 34px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .citation-code pre { padding: 20px; font-size: 9px; }
  .footer-row { align-items: flex-start; flex-direction: column; padding-inline: 14px; }
  .footer-row p:nth-child(2) { display: none; }
  .lightbox { width: calc(100vw - 16px); max-height: calc(100vh - 16px); }
  .lightbox-inner { max-height: calc(100vh - 16px); }
  .lightbox-toolbar p { max-width: 72%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
  .research-marquee-track { animation: none; }
}

/* Raycast Pro-inspired dark chrome direction */
.scroll-progress span { background: var(--orange); }

.site-header {
  inset: 5px 0 auto;
  height: 76px;
  padding: 0;
}

.site-header.is-scrolled {
  height: 66px;
  border-color: transparent;
  background: transparent;
}

.nav {
  width: min(1204px, calc(100vw - 40px));
  border: 1px solid rgba(218, 232, 245, .14);
  border-radius: 18px;
  padding-inline: 30px;
  background: rgba(7, 10, 13, .76);
  box-shadow: 0 18px 46px rgba(0, 0, 0, .25), inset 0 1px 0 rgba(255, 255, 255, .025);
  backdrop-filter: blur(22px) saturate(125%);
}

.site-header.is-scrolled .nav {
  background: rgba(5, 8, 11, .91);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 255, 255, .03);
}

.brand { align-items: center; gap: 8px; }
.brand-word {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -.025em;
}
.brand-index { margin-top: 0; color: var(--orange); }
.nav-menu { gap: 38px; }
.nav-links { gap: 32px; }
.nav-links a {
  color: #9299a2;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 520;
  letter-spacing: -.01em;
  text-transform: none;
}
.nav-links a::after { bottom: -10px; background: var(--orange); }
.nav-paper {
  min-height: 38px;
  padding: 8px 16px;
  border-color: rgba(255, 255, 255, .84);
  border-radius: 9px;
  color: #24272b;
  background: #e9ecef;
  box-shadow: 0 6px 18px rgba(197, 226, 247, .22), inset 0 1px 0 #fff;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: -.01em;
  text-transform: none;
}
.nav-paper:hover { color: #030609; border-color: #fff; background: #fff; }

.hero {
  min-height: 100vh;
  padding: 0 0 56px;
  background: #030609;
}
.hero::before { display: none; }
.hero-word-scene {
  position: absolute;
  z-index: 0;
  top: 76px;
  left: 50%;
  width: min(1180px, 98vw);
  height: 330px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  pointer-events: none;
  perspective: 1500px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 13%, #000 87%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 13%, #000 87%, transparent 100%);
  transform: translate3d(-50%, 0, 0);
  transform-origin: center top;
  transition: transform 500ms cubic-bezier(.2, .8, .2, 1);
}
.hero-word {
  position: relative;
  width: max-content;
  margin-top: 10px;
  color: transparent;
  background-image: repeating-linear-gradient(
    128deg,
    rgba(3, 7, 11, .08) 0%,
    rgba(8, 20, 32, .18) 6%,
    #122b40 8%,
    #dceaf4 10.5%,
    #7899b4 12.5%,
    #10283d 15%,
    rgba(3, 8, 13, .12) 19%,
    rgba(3, 8, 13, .04) 27%,
    #1c3d57 29%,
    #f1f7fa 31.5%,
    #6086a5 34%,
    #0a1a29 37%,
    rgba(3, 7, 11, .08) 43%
  );
  background-size: 178% 178%;
  background-position: 48% 38%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-stroke: 1px rgba(132, 180, 215, .16);
  font-family: var(--sans);
  font-size: clamp(116px, 13vw, 190px);
  font-weight: 860;
  letter-spacing: -.095em;
  line-height: .88;
  white-space: nowrap;
  opacity: .82;
  filter: blur(.3px) drop-shadow(0 17px 18px rgba(0, 0, 0, .96)) drop-shadow(0 0 25px rgba(83, 175, 233, .18));
  transform: rotateX(58deg) rotateZ(-8deg) skewX(-7deg) scaleY(1.82);
  transform-origin: center 12%;
  transform-style: preserve-3d;
  animation: metal-shift 11s ease-in-out infinite alternate;
}
.hero-word::before,
.hero-word::after {
  content: attr(data-word);
  position: absolute;
  inset: 0;
  white-space: nowrap;
}
.hero-word::before {
  z-index: -1;
  color: rgba(6, 15, 24, .34);
  -webkit-text-stroke: 1px rgba(98, 149, 188, .18);
  text-shadow: 0 1px 0 rgba(35, 64, 87, .55), 0 2px 0 rgba(28, 51, 70, .5), 0 3px 0 rgba(20, 39, 54, .45), 0 18px 26px rgba(0, 0, 0, .96);
  transform: translate3d(0, 11px, -42px);
  opacity: .7;
}
.hero-word::after {
  color: transparent;
  background-image: linear-gradient(112deg, transparent 31%, rgba(233, 247, 255, .9) 43%, rgba(100, 190, 247, .2) 48%, transparent 58%);
  background-size: 240% 100%;
  background-position: 100% 0;
  background-clip: text;
  -webkit-background-clip: text;
  filter: blur(5px);
  mix-blend-mode: screen;
  animation: metal-sweep 7s ease-in-out infinite;
}
@keyframes metal-shift {
  from { background-position: 42% 32%; }
  to { background-position: 58% 48%; }
}
@keyframes metal-sweep {
  0%, 20% { background-position: 120% 0; opacity: .25; }
  52% { opacity: .8; }
  80%, 100% { background-position: -110% 0; opacity: .18; }
}
.hero-copy {
  min-height: 615px;
  justify-content: flex-start;
  border: 0;
  padding: 260px 48px 54px;
}
.hero-badge {
  margin: 0;
  padding: 7px 13px;
  border: 1px solid rgba(154, 217, 255, .55);
  border-radius: 999px;
  color: #9bdcff;
  background: rgba(3, 8, 13, .82);
  box-shadow: 0 0 24px rgba(82, 183, 246, .13), inset 0 0 18px rgba(65, 156, 215, .08);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1;
}
.hero h1 {
  max-width: 1050px;
  margin: 19px 0 0;
  color: #f2f5f7;
  font-family: var(--sans);
  font-size: clamp(34px, 3.25vw, 48px);
  font-weight: 590;
  line-height: 1.07;
  letter-spacing: -.042em;
  text-shadow: 0 2px 28px rgba(0, 0, 0, .66);
}
.hero h1::first-line { color: inherit; }
.hero-summary {
  max-width: 760px;
  gap: 25px;
  margin: 18px auto 0;
}
.hero-summary > p {
  max-width: 720px;
  color: #d4d9de;
  font-size: 16px;
  font-weight: 520;
  line-height: 1.45;
  text-wrap: balance;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .72);
}
.button {
  min-height: 40px;
  padding: 4px 6px;
  border-radius: 10px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: -.01em;
  text-transform: none;
}
.button-dark {
  color: #071019;
  border-color: rgba(255, 255, 255, .86);
  background: #edf4f8;
  box-shadow: 0 8px 26px rgba(110, 193, 246, .16), inset 0 1px 0 #fff;
}
.button-dark:hover { color: #030609; background: #fff; }
.button-quiet { border-color: rgba(220, 235, 248, .25); background: rgba(5, 10, 15, .62); backdrop-filter: blur(12px); }

.hero-stage {
  border-radius: 18px 18px 0 0;
  box-shadow: 0 48px 130px rgba(0, 0, 0, .55), 0 0 0 1px rgba(119, 199, 249, .06);
}
.hero-credit {
  border-color: rgba(218, 232, 245, .13);
  background: #070b0f;
}
.capture-section { background: var(--purple-deep); }
.capture-section::after { display: none; }
.split-layout { background: var(--purple-deep); }
.research-marquee span { color: #4d83ae; }
.research-marquee span:nth-child(2) { color: var(--orange); }
.result-bars .bar-row.is-human i { background: var(--orange); }

@media (max-width: 1024px) {
  .hero-copy { min-height: 625px; padding-top: 266px; }
  .hero-word-scene { width: 106vw; height: 320px; }
  .hero-word { font-size: clamp(105px, 15.5vw, 158px); }
  .nav { width: min(100% - 28px, 960px); padding-inline: 22px; }
  .nav-links { gap: 20px; }
}

@media (max-width: 760px) {
  .site-header { inset: 7px 0 auto; height: 58px; }
  .site-header.is-scrolled { height: 54px; }
  .nav { width: calc(100vw - 20px); padding-inline: 15px; border-radius: 14px; }
  .nav-menu {
    inset: 70px 10px auto;
    padding: 14px 16px 18px;
    border: 1px solid var(--line-light);
    border-radius: 14px;
    background: rgba(5, 8, 11, .96);
    backdrop-filter: blur(22px);
  }
  .nav-links a { font-family: var(--sans); font-size: 20px; }
  .menu-toggle { border-color: rgba(220, 235, 248, .24); border-radius: 8px; background: rgba(5, 8, 11, .72); }
  .hero { padding-top: 0; }
  .hero-word-scene { top: 66px; width: 128vw; height: 270px; }
  .hero-word { font-size: clamp(90px, 24vw, 132px); letter-spacing: -.11em; transform: rotateX(57deg) rotateZ(-8deg) skewX(-7deg) scaleY(1.72); }
  .hero-copy { min-height: 610px; padding: 230px 10px 48px; }
  .hero-badge { padding: 6px 11px; font-size: 10px; }
  .hero h1 { max-width: 630px; margin-top: 17px; font-size: clamp(31px, 8.2vw, 42px); line-height: 1.04; }
  .hero-summary { margin-top: 22px; }
  .hero-summary > p { font-size: 15px; }
  .hero-actions { align-items: stretch; }
  .hero-stage { width: calc(100vw - 12px); border-radius: 12px 12px 0 0; }
}

/* Zoah-inspired monochrome field with a first-screen-only blue horizon */
html {
  color-scheme: light;
  background: var(--white);
}

body { background: var(--white); }

.site-header {
  inset: 0 0 auto;
  height: 84px;
}

.site-header.is-scrolled {
  height: 68px;
}

.nav,
.site-header.is-scrolled .nav {
  width: min(1520px, calc(100vw - 48px));
  border: 0;
  border-bottom: 1px solid rgba(8, 8, 8, .09);
  border-radius: 0;
  padding-inline: 4px;
  color: var(--black);
  background: rgba(255, 255, 255, .9);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(110%);
}

.site-header.is-scrolled .nav {
  box-shadow: 0 14px 30px rgba(0, 0, 0, .045);
}

.brand-word { color: var(--black); }
.brand-index { color: var(--orange-hot); }
.nav-links a { color: #666866; }
.nav-links a:hover,
.nav-links a.is-active { color: var(--black); }
.nav-links a::after { background: var(--black); }
.nav-paper {
  border-color: var(--black);
  border-radius: 999px;
  color: var(--white);
  background: var(--black);
  box-shadow: none;
}
.nav-paper:hover { color: var(--white); border-color: #244fa7; background: #244fa7; }

.theme-toggle {
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  color: #526179;
  background: transparent;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--orange-hot); border-color: rgba(37, 85, 189, .42); background: rgba(37, 85, 189, .06); }

.hero {
  height: 100svh;
  min-height: 700px;
  padding: 0;
  overflow: hidden;
  color: var(--black);
  background: var(--white);
  isolation: isolate;
}

.hero-orb {
  position: absolute;
  z-index: 0;
  left: 50%;
  bottom: -1px;
  width: min(2040px, 148vw);
  height: 28%;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at 50% 108%,
    #081a43 0%,
    #113786 27%,
    #3866c4 44%,
    rgba(104, 137, 211, .72) 57%,
    rgba(169, 183, 220, .38) 68%,
    rgba(255, 255, 255, 0) 81%
  );
  filter: blur(13px);
  transform: translateX(-50%) translateY(1px);
}

.hero-copy {
  z-index: 1;
  height: 100%;
  min-height: 0;
  justify-content: flex-start;
  padding: clamp(142px, 16vh, 198px) 40px 72px;
}

.hero h1 {
  max-width: 1120px;
  margin: 0;
  color: var(--black);
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-shadow: none;
}

.hero-title-name {
  display: flex;
  align-items: baseline;
  justify-content: center;
  font-size: clamp(78px, 12vw, 144px);
  line-height: .9;
  white-space: nowrap;
}

.hero-title-dex {
  font-family: var(--hero-rounded);
  font-weight: 600;
  letter-spacing: -.045em;
}

.hero-title-roam {
  position: relative;
  margin-left: -.018em;
  color: #1262f3;
  font-family: var(--hero-script);
  font-size: 1.04em;
  font-style: normal;
  font-weight: 400;
  letter-spacing: -.065em;
  transform: translateY(.035em);
  transform-origin: left bottom;
  transition: color 240ms ease, transform 360ms cubic-bezier(.2, .75, .2, 1);
}

.hero-title-name:hover .hero-title-roam {
  color: #0a54d6;
  transform: translateY(.015em) translateX(.012em);
}

.hero-title-subtitle {
  max-width: 1200px;
  display: block;
  margin: 38px auto 0;
  font-size: clamp(27px, 4vw, 44px);
  font-weight: 570;
  line-height: 1.12;
  letter-spacing: -.038em;
  text-wrap: balance;
}

.hero-authors {
  max-width: 1080px;
  margin: 30px auto 0;
  text-align: center;
}

.hero-authors p { margin: 0; }
.hero-author-list {
  color: #181918;
  font-size: 18px;
  line-height: 1.55;
}
.hero-author-link {
  color: inherit;
  text-decoration: none;
  text-underline-offset: .18em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
.hero-author-link:hover {
  color: var(--orange-hot);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}
.hero-author-list strong { font-weight: 650; }
.hero-author-list sup,
.hero-author-note sup { color: var(--orange-hot); font-size: .68em; }
.hero-affiliations {
  margin-top: 8px !important;
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  column-gap: 22px;
  row-gap: 3px;
  color: #565856;
  font-size: 16px;
  line-height: 1.45;
}
.hero-affiliations span { white-space: nowrap; }
.hero-affiliations .hero-affiliation-wide {
  flex-basis: 100%;
  text-align: center;
  white-space: normal;
}
.hero-affiliations sup {
  margin-right: .25em;
  color: var(--orange-hot);
  font-size: .72em;
  font-weight: 750;
}
.hero-author-note {
  margin-top: 7px !important;
  display: flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 18px;
  color: #707270;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
}

.hero-venue {
  margin: 16px auto 0;
  color: #9cbcf4;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.4;
  text-align: center;
}
.hero-venue strong {
  color: var(--orange);
  font-family: var(--hero-rounded);
  font-size: 1.18em;
  font-weight: 650;
  letter-spacing: .015em;
  -webkit-text-stroke: .8px rgba(255, 255, 255, .30);
  paint-order: stroke fill;
}

.hero .hero-actions {
  margin-top: 18px;
  flex-wrap: wrap;
}
.hero .hero-actions .button {
  min-width: 0;
}

.button-dark {
  color: var(--white);
  border-color: var(--black);
  background: var(--black);
  box-shadow: none;
}
.button-dark:hover { color: var(--white); border-color: #244fa7; background: #244fa7; }
.button-quiet {
  color: var(--black);
  border-color: rgba(8, 8, 8, .22);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(10px);
}
.button-quiet:hover { border-color: var(--black); }

.hero-followup {
  position: relative;
  z-index: 2;
  padding: 80px 0 0;
  color: var(--black);
  border-top: 1px solid rgba(8, 8, 8, .1);
  background: var(--white);
}

.demo-video-section {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: 84px 0 104px;
  color: var(--black);
  border-top: 1px solid rgba(8, 8, 8, .1);
  background: var(--white);
}

.demo-video-shell {
  width: min(1600px, 60vw);
  max-width: none;
  margin-inline: auto;
}

.highlight-kicker {
  margin: 0 0 16px;
  color: #173f91;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.highlight-statement {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.highlight-title {
  margin: 0 0 18px;
  color: #162338;
  font-family: var(--sans);
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 760;
  line-height: 1.08;
  letter-spacing: -.035em;
}
.highlight-title em {
  color: #2555bd;
  font-style: normal;
}

.highlight-statement p {
  margin: 0;
  color: #646a73;
  font-size: clamp(14px, 1.3vw, 24px);
  font-weight: 430;
  line-height: 1.5;
}

.highlight-statement p + p { margin-top: 4px; }
.highlight-statement strong {
  color: #2458c6;
  font-weight: 700;
}
.highlight-statement sub,
.highlight-card sub {
  font-size: .68em;
  line-height: 0;
}
.highlight-underline {
  color: #202733;
  text-decoration: underline;
  text-decoration-color: rgba(37, 85, 189, .38);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.highlight-card {
  min-height: 220px;
  padding: 34px 34px 32px;
  border: 1px solid rgba(37, 85, 189, .16);
  border-radius: 22px;
  background: rgba(255, 255, 255, .62);
  box-shadow: 0 16px 44px rgba(30, 61, 118, .05);
}

.highlight-card-index {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: #2458c6;
  background: #e9efff;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
}

.highlight-card h2 {
  margin: 28px 0 12px;
  color: #111823;
  font-size: clamp(18px, 1.35vw, 23px);
  font-weight: 650;
  line-height: 1.18;
  letter-spacing: -.025em;
}

.highlight-card p {
  margin: 0;
  color: #697180;
  font-size: 14px;
  line-height: 1.65;
}

.demo-video-block {
  margin-top: 64px;
}
.demo-video-frame {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  contain: layout paint;
  border: 1px solid rgba(8, 8, 8, .16);
  border-radius: 18px;
  background: #000;
  box-shadow: 0 36px 90px rgba(18, 31, 60, .14);
}
.demo-video-frame video {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  background: #000;
}
.hero-followup .hero-stage {
  border-color: rgba(8, 8, 8, .16);
  border-radius: 0;
  box-shadow: 0 32px 80px rgba(18, 31, 60, .1);
}

.hero-followup .hero-credit {
  border-color: rgba(8, 8, 8, .16);
  color: var(--gray-dark);
  background: var(--paper);
}
.hero-followup .authors { color: var(--black); }
.hero-followup .authors sup,
.hero-followup .author-note sup { color: var(--orange-hot); }

.capture-section,
.split-layout { background: var(--purple-deep); }
.research-marquee span { color: #1d3566; }
.research-marquee span:nth-child(2) { color: #5d82cf; }

@media (max-width: 1024px) {
  .nav,
  .site-header.is-scrolled .nav { width: calc(100vw - 32px); }
  .hero-copy { padding-top: clamp(132px, 15vh, 170px); }
  .hero h1 { max-width: 900px; }
  .hero-title-name { font-size: clamp(72px, 11vw, 108px); }
  .hero-title-subtitle { max-width: 860px; font-size: clamp(26px, 3.6vw, 35px); }
  .hero-orb { width: 170vw; height: 27%; }
  .highlight-grid { gap: 16px; }
  .highlight-card { min-height: 210px; padding: 26px 24px; }
}

@media (max-width: 760px) {
  .site-header { inset: 0 0 auto; height: 64px; }
  .site-header.is-scrolled { height: 58px; }
  .nav,
  .site-header.is-scrolled .nav { width: calc(100vw - 24px); padding-inline: 2px; border-radius: 0; }
  .menu-toggle { color: var(--white); border-color: var(--black); border-radius: 999px; background: var(--black); }
  .nav-menu {
    inset: 70px 12px auto;
    border-color: rgba(8, 8, 8, .12);
    color: var(--black);
    background: rgba(255, 255, 255, .97);
  }
  .nav-links a { color: var(--black); }
  .theme-toggle { width: 100%; }
  .hero { min-height: 720px; }
  .hero-copy { padding: 116px 10px 56px; }
  .hero h1,
  .hero-authors { width: 100%; min-width: 0; }
  .hero h1 { max-width: 650px; }
  .hero-title-name { width: 100%; font-size: clamp(48px, 15vw, 64px); }
  .hero-title-subtitle { max-width: 620px; margin-top: 28px; font-size: clamp(23px, 6.5vw, 31px); line-height: 1.08; }
  .hero-authors { margin-top: 24px; }
  .hero-author-list { font-size: 14px; line-height: 1.5; }
  .hero-affiliations,
  .hero-author-note { font-size: 11px; }
  .hero-affiliations { column-gap: 12px; }
  .hero-venue { margin-top: 13px; font-size: 12px; }
  .hero .hero-actions {
    width: min(100%, 300px);
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }
  .hero .hero-actions .button { width: 100%; min-width: 0; }
  .hero .hero-actions .button:last-child { grid-column: 1 / -1; }
  .hero-orb { width: 235vw; height: 25%; filter: blur(9px); }
  .hero-followup { padding-top: 48px; }
  .hero-followup .hero-stage { width: calc(100vw - 12px); }
  .demo-video-section { padding: 54px 0 72px; }
  .demo-video-shell { width: calc(100vw - 32px); }
  .highlight-statement { padding: 0; border-radius: 0; }
  .highlight-title { margin-bottom: 14px; font-size: 24px; }
  .highlight-statement p { font-size: 15px; line-height: 1.54; }
  .highlight-statement p + p { margin-top: 16px; }
  .highlight-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 20px; }
  .highlight-card { min-height: 0; padding: 24px 22px; border-radius: 18px; }
  .highlight-card h2 { margin-top: 20px; }
  .demo-video-block { margin-top: 42px; }
  .demo-video-frame { border-radius: 12px; }
}

/* One blue-and-white palette throughout the research page. */
body { color: #162338; }
.site-header.is-scrolled { background: rgba(255, 255, 255, .94); border-color: var(--line-light); }
.research-marquee,
.proof-band,
.intro-section,
.capture-section,
.method-section,
.tasks-section,
.results-section,
.takeaway-section,
.citation-section,
.site-footer {
  color: #162338;
  border-color: var(--line-light);
  background: var(--white);
}
.section-heading,
.tasks-section .section-heading { border-color: var(--line-light); }
.eyebrow { color: var(--orange-hot); }
.section h2 em,
.takeaway h2 em { color: var(--orange-hot); }
.intro-thesis .lead { color: #162338; }
.split-layout { grid-template-columns: 1fr; border-color: var(--line-light); background: var(--white); }
.split-copy { border-right: 0; }
.split-copy > p:not(.eyebrow) { max-width: 900px; color: var(--gray); }
.capture-specs { margin: 36px 0 0; }
.capture-specs div { border-color: var(--line-light); }
.capture-specs dt { color: var(--orange-hot); }
.capture-specs dd { color: var(--gray); }
.method-tabs,
.method-story { color: #162338; background: var(--white); }
.method-tabs button[aria-selected="true"] { color: var(--orange-hot); background: #eef3ff; }
.method-tabs button[aria-selected="true"] > span,
.method-tabs button[aria-selected="true"] small { color: var(--orange-hot); }
.method-rule { background: #dfe8fa; }
.method-rule span { background: var(--orange-hot); }
.task-tags li { color: var(--gray); }
.task-tags li:first-child { color: var(--orange-hot); border-color: var(--line-light); background: #eef3ff; }
.result-controls button.is-active { color: #fff; border-color: var(--orange-hot); background: var(--orange-hot); }
.bar-row > div { background: #dfe8fa; }
.bar-row i { background: #96add6; }
.result-bars .bar-row.is-human i { background: var(--orange-hot); }
.evidence-grid { grid-template-columns: 1fr; background: var(--white); }
.stat-card { min-height: 280px; color: #162338; background: var(--white); }
.stat-card .eyebrow,
.stat-card-value { color: var(--orange-hot); }
.stat-card > p:last-child { color: var(--gray); }
.button-light,
.code-toolbar button { color: var(--orange-hot); border-color: var(--line-light); background: var(--white); }
.button-light:hover,
.code-toolbar button:hover { color: #fff; border-color: var(--orange-hot); background: var(--orange-hot); }
.citation-code { background: #eef3ff; }
.citation-code pre { color: #243852; }

.policy-results-heading { margin-bottom: 36px; }
.policy-results-heading h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(28px, 3.1vw, 48px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.policy-results-heading h2 em { font-style: normal; }
.policy-results-heading > p:last-child {
  max-width: 820px;
  margin: 22px 0 0;
  color: var(--gray);
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.65;
}
.policy-results-panel {
  padding: 18px 22px;
  border: 1px solid var(--line-light);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 22px 58px rgba(30, 72, 145, .08);
}
.policy-results-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 540px;
  margin: 0 auto 16px;
}
.policy-results-controls label { min-width: 0; }
.policy-results-controls label > span {
  display: block;
  margin: 0 0 4px;
  color: var(--gray);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.policy-results-controls select {
  width: 100%;
  min-height: 40px;
  padding: 0 42px 0 15px;
  border: 1px solid var(--line-light);
  border-radius: 10px;
  color: #162338;
  background-color: #f7f9fe;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.policy-chart-heading { margin-bottom: 8px; text-align: center; }
.policy-chart-heading h3 { margin: 0; font-size: clamp(18px, 2vw, 28px); letter-spacing: -.03em; }
.policy-chart-heading p { margin: 6px 0 0; color: var(--gray); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.policy-results-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  margin-bottom: 12px;
}
.policy-results-legend span { display: inline-flex; align-items: center; gap: 7px; color: #45546c; font-size: 11px; }
.policy-results-legend i { width: 18px; height: 12px; border: 0; background: var(--legend-color); }
.policy-chart-scroller { overflow-x: auto; padding: 0 0 8px; }
.policy-chart {
  display: grid;
  grid-template-columns: 22px 34px minmax(820px, 1fr);
  min-width: 876px;
  height: 420px;
  align-items: stretch;
}
.policy-chart-y-label {
  align-self: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: #29384d;
  font-size: 11px;
  font-weight: 650;
  text-align: center;
}
.policy-chart-scale {
  display: flex;
  padding: 4px 7px 54px 0;
  flex-direction: column;
  justify-content: space-between;
  color: #708097;
  font-family: var(--mono);
  font-size: 9px;
  text-align: right;
}
.policy-chart-plot {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  height: 100%;
  padding: 4px 8px 0;
  border-left: 1px solid #8290a4;
  border-bottom: 1px solid #8290a4;
}
.policy-chart-grid {
  position: absolute;
  inset: 4px 0 53px;
  z-index: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}
.policy-chart-grid i { display: block; width: 100%; border-top: 1px solid rgba(37, 85, 189, .12); }
.policy-chart-group {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  height: 100%;
  flex-direction: column;
}
.policy-chart-group.is-average { margin-left: 4px; padding-left: 14px; border-left: 1px dashed rgba(37, 85, 189, .3); }
.policy-chart-bars { display: flex; height: calc(100% - 54px); align-items: flex-end; justify-content: center; gap: 4px; }
.policy-chart-bar {
  position: relative;
  width: 26px;
  max-width: 32%;
  height: 0;
  border: 0;
  border-radius: 4px 4px 0 0;
  background: var(--bar-color);
  transition: height 900ms cubic-bezier(.22, 1, .36, 1);
}
.policy-chart-bar span {
  position: absolute;
  top: -19px;
  left: 50%;
  color: #162338;
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 650;
  transform: translateX(-50%);
  white-space: nowrap;
}
.policy-chart-task {
  display: flex;
  min-height: 54px;
  padding: 10px 4px 0;
  align-items: flex-start;
  justify-content: center;
  color: #27364c;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
}
@media (max-width: 760px) {
  .policy-results-heading { margin-bottom: 26px; }
  .policy-results-heading h2 { font-size: clamp(25px, 6.4vw, 36px); }
  .policy-results-heading > p:last-child br { display: none; }
  .policy-results-panel { padding: 16px 12px; border-radius: 14px; }
  .policy-results-controls { gap: 8px; margin-bottom: 14px; }
  .policy-results-controls select { min-height: 40px; padding-left: 10px; font-size: 12px; }
  .policy-results-legend { justify-content: flex-start; }
}

.data-efficiency-section { padding-top: 0; border-top: 0; background: var(--white); }
.data-efficiency-heading { margin-bottom: 36px; }
.data-efficiency-heading h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(28px, 3.1vw, 48px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.data-efficiency-heading h2 em { color: var(--orange-hot); font-style: normal; }
.data-efficiency-heading > p:last-child { max-width: 820px; margin: 22px 0 0; color: var(--gray); font-size: clamp(14px, 1.1vw, 17px); line-height: 1.65; }
.data-efficiency-panel { padding: 26px 28px 24px; border: 1px solid var(--line-light); border-radius: 18px; background: #fff; box-shadow: 0 22px 58px rgba(30, 72, 145, .08); }
.data-efficiency-legend { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin-bottom: 18px; }
.data-efficiency-legend button { display: inline-flex; min-height: 35px; padding: 0 10px; align-items: center; gap: 7px; border: 1px solid transparent; border-radius: 999px; color: #526179; background: transparent; font-size: 11px; font-weight: 600; transition: opacity 180ms ease, color 180ms ease, border-color 180ms ease, background-color 180ms ease; cursor: pointer; }
.data-efficiency-legend button:hover,
.data-efficiency-legend button:focus-visible,
.data-efficiency-legend button[aria-pressed="true"] { color: #162338; border-color: var(--line-light); background: #f4f7fd; }
.data-efficiency-legend button.is-dimmed { opacity: .36; }
.data-efficiency-legend i { position: relative; display: inline-block; width: 22px; height: 12px; color: var(--series-color); }
.data-efficiency-legend i::before { content: ""; position: absolute; top: 5px; left: 0; width: 22px; height: 2px; border-radius: 999px; background: currentColor; }
.data-efficiency-legend i::after { content: ""; position: absolute; top: 2px; left: 8px; width: 8px; height: 8px; border: 2px solid #fff; background: currentColor; }
.data-efficiency-legend .is-robot { --series-color: #acdafa; }
.data-efficiency-legend .is-robot::before { display: none; }
.data-efficiency-legend .is-robot::after { border-radius: 50%; }
.data-efficiency-legend .is-cotrain { --series-color: #ee8a73; }
.data-efficiency-legend .is-cotrain::after { border: 0; background: linear-gradient(45deg, transparent 42%, currentColor 43% 57%, transparent 58%), linear-gradient(-45deg, transparent 42%, currentColor 43% 57%, transparent 58%); }
.data-efficiency-legend .is-pretrain { --series-color: #fdbe76; }
.data-efficiency-legend .is-pretrain::after { border-radius: 1px; transform: rotate(45deg); }
.data-efficiency-chart-scroller { width: 100%; overflow: hidden; padding: 2px 0 8px; }
.data-efficiency-chart { width: 100%; min-width: 0; }
.data-efficiency-chart svg { display: block; width: 100%; height: auto; }
.data-efficiency-series { transition: opacity 180ms ease; }
.data-efficiency-series.is-muted { opacity: .13; }
.data-efficiency-line { stroke-dasharray: 1; stroke-dashoffset: 1; }
.data-efficiency-panel.is-visible .data-efficiency-line { animation: data-efficiency-draw 900ms cubic-bezier(.22, 1, .36, 1) forwards; }
.data-efficiency-point { opacity: 0; }
.data-efficiency-panel.is-visible .data-efficiency-point { animation: data-efficiency-point-in 360ms ease 500ms forwards; }
.data-efficiency-note { max-width: 900px; margin: 20px 0 0; color: var(--gray); font-size: 13px; line-height: 1.65; }
.data-efficiency-note strong { color: #2555bd; }
@keyframes data-efficiency-draw { to { stroke-dashoffset: 0; } }
@keyframes data-efficiency-point-in { to { opacity: 1; } }
@media (max-width: 760px) {
  .data-efficiency-section { padding-bottom: 88px; }
  .data-efficiency-heading { margin-bottom: 26px; }
  .data-efficiency-heading h2 { font-size: clamp(25px, 6.4vw, 36px); }
  .data-efficiency-panel { padding: 18px 14px; border-radius: 14px; }
  .data-efficiency-legend { justify-content: flex-start; }
  .data-efficiency-legend button { padding-inline: 8px; }
  .data-efficiency-note { font-size: 12px; }
}

.deployment-section {
  padding: 76px 0 96px;
  color: #162338;
  border-top: 1px solid var(--line-light);
  background: var(--white);
}
.deployment-current-title {
  width: 75%;
  max-width: 900px;
  margin: 0 auto 18px;
  color: #162338;
  font-size: clamp(24px, 2.25vw, 36px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -.035em;
  text-align: center;
  transition: opacity 250ms ease, transform 500ms ease;
}
.deployment-current-title.is-changing { opacity: 0; transform: translateY(-8px); }
.deployment-carousel {
  position: relative;
  width: 100%;
  max-width: 1200px;
  aspect-ratio: 64 / 27;
  margin: 0 auto;
  perspective: 1000px;
  touch-action: pan-y;
}
.deployment-carousel:focus-visible { outline: 2px solid var(--orange-hot); outline-offset: 8px; }
.deployment-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  width: 75%;
  margin: auto;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 20px 50px rgba(30, 72, 145, .18);
  transform: translateX(var(--deployment-x)) scale(var(--deployment-scale));
  transform-origin: center center;
  transition: all 500ms ease;
  cursor: pointer;
}
.deployment-card.is-active { cursor: default; }
.deployment-card video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #0d0d0d;
}
.deployment-card:not(.is-active) video { pointer-events: none; }
.deployment-nav {
  position: absolute;
  top: 50%;
  z-index: 20;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(37, 85, 189, .18);
  border-radius: 999px;
  color: #fff;
  background: rgba(16, 36, 81, .58);
  box-shadow: 0 8px 24px rgba(16, 36, 81, .2);
  backdrop-filter: blur(8px);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  transform: translateY(-50%);
  cursor: pointer;
  transition: background 180ms ease, opacity 180ms ease, transform 180ms ease;
}
.deployment-nav:hover,
.deployment-nav:focus-visible {
  background: rgba(37, 85, 189, .88);
  transform: translateY(-50%) scale(1.05);
}
.deployment-nav-prev { left: 0; }
.deployment-nav-next { right: 0; }
.deployment-status { width: 75%; max-width: 900px; margin: 14px auto 0; color: var(--gray); font-size: 13px; text-align: center; }
@media (max-width: 760px) {
  .deployment-section { padding: 54px 0 64px; }
  .deployment-current-title { width: 75%; margin-bottom: 14px; font-size: clamp(21px, 5.8vw, 30px); }
  .deployment-card { border-radius: 10px; }
  .deployment-nav { width: 36px; height: 36px; font-size: 18px; }
}

.alignment-section { padding: 76px 0 96px; }
.alignment-heading .alignment-intro {
  max-width: 780px;
  margin: 22px 0 0;
  color: var(--gray);
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.65;
}
.alignment-figure { margin: 0; background: transparent; }
.alignment-figure img { width: 100%; height: auto; }
.alignment-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.alignment-card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  padding: clamp(22px, 1.8vw, 28px);
  border: 1px solid var(--line-light);
  border-radius: 24px;
  background: linear-gradient(145deg, #fff, #eef3fc);
}
.alignment-card:nth-child(2) { background: linear-gradient(145deg, #f7faff, #eaf1ff); }
.alignment-watermark { position: absolute; z-index: -1; top: 12px; right: 18px; color: rgba(37, 85, 189, .045); font-size: clamp(110px, 10vw, 150px); font-weight: 750; line-height: 1; letter-spacing: -.08em; }
.alignment-card h3 { margin: 0 0 14px; color: #162338; font-size: clamp(21px, 1.7vw, 28px); font-weight: 650; line-height: 1.16; letter-spacing: -.035em; }
.alignment-card-copy { margin: 0 0 20px; color: #5c6b80; font-size: clamp(14px, 1vw, 16px); line-height: 1.5; }
.distribution-visualization { margin-top: 64px; padding-top: 0; border-top: 0; }
.distribution-heading { max-width: 820px; }
.distribution-heading .eyebrow { margin: 0 0 16px; }
.distribution-heading h3 {
  margin: 0;
  color: #162338;
  font-size: clamp(30px, 3.6vw, 54px);
  font-weight: 650;
  line-height: 1.02;
  letter-spacing: -.045em;
}
.distribution-heading h3 em { color: #2555bd; font-style: normal; }
.distribution-heading > p:last-child { max-width: 680px; margin: 18px 0 0; color: var(--gray); font-size: 15px; line-height: 1.6; }
.distribution-tabs { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.distribution-tabs button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  color: #526179;
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  transition: color 220ms ease, border-color 220ms ease, background-color 220ms ease, transform 220ms ease;
  cursor: pointer;
}
.distribution-tabs button:hover { color: #2555bd; border-color: rgba(37, 85, 189, .36); transform: translateY(-1px); }
.distribution-tabs button.is-active { color: #fff; border-color: #2555bd; background: #2555bd; }
.distribution-tabs button:focus-visible { outline: 2px solid #2555bd; outline-offset: 3px; }
.distribution-comparison { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 22px; transition: opacity 220ms ease, transform 320ms ease; }
.distribution-comparison.is-switching { opacity: .35; transform: translateY(5px); }
.distribution-panel {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: 16px;
  background: rgba(255, 255, 255, .42);
}
.distribution-panel figcaption,
.distribution-metrics-caption { margin: 12px 0 0; padding: 0 2px; color: #40506a; font-family: var(--mono); font-size: 11px; font-weight: 650; line-height: 1.35; letter-spacing: .09em; text-align: center; text-transform: uppercase; }
.distribution-panel figcaption {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--line-light);
  background: rgba(238, 243, 252, .72);
  text-align: left;
}
.distribution-panel img { display: block; width: 100%; height: auto; padding: 14px; background: transparent; }
.distribution-metrics {
  display: grid;
  min-width: 0;
  overflow: hidden;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 10px 8px;
  border: 1px solid var(--line-light);
  border-radius: 16px;
  background: rgba(255, 255, 255, .42);
}
.distribution-metrics-legend { display: flex; min-height: 18px; grid-column: 1 / -1; align-items: center; justify-content: flex-end; gap: 14px; margin: 12px 14px 0; color: #59677c; font-size: 10px; }
.distribution-metrics-legend span { display: inline-flex; align-items: center; gap: 6px; }
.distribution-metrics-legend i { width: 12px; height: 12px; border-radius: 3px; }
.distribution-metrics .is-raw { background: #dcecc1; }
.distribution-metrics .is-aligned { background: #f4a3a0; }
.distribution-metric-card { display: flex; min-height: 0; padding: 4px 10px 11px; flex-direction: column; }
.distribution-metric-title h4 { margin: 0; color: #162338; font-size: clamp(17px, 1.45vw, 22px); font-weight: 650; line-height: 1.1; letter-spacing: -.025em; }
.distribution-metric-title span { display: block; margin-top: 4px; color: #718097; font-family: var(--mono); font-size: 7px; letter-spacing: .055em; text-transform: uppercase; }
.distribution-metric-bars { display: flex; min-height: 112px; margin-top: 8px; padding: 23px 2px 0; align-items: flex-end; justify-content: center; flex: 1; gap: clamp(10px, 1vw, 18px); border-bottom: 1px solid #8290a4; background: repeating-linear-gradient(to bottom, rgba(37, 85, 189, .09) 0 1px, transparent 1px 33.333%); }
.distribution-metric-column { position: relative; display: flex; width: 44px; height: 100%; align-items: center; justify-content: flex-end; flex-direction: column; }
.distribution-metric-value { position: absolute; left: 50%; bottom: calc(var(--metric-height, 0%) + 5px); color: #28364b; font-family: var(--mono); font-size: 8px; font-weight: 650; transform: translateX(-50%); transition: bottom 700ms cubic-bezier(.22, 1, .36, 1); }
.distribution-metric-bar { display: block; width: 38px; max-width: 100%; height: 0; max-height: 100%; border-radius: 4px 4px 0 0; transition: height 700ms cubic-bezier(.22, 1, .36, 1); }
.distribution-metric-series { position: absolute; top: calc(100% + 5px); color: #69778c; font-size: 9px; }
.distribution-metrics-caption {
  grid-column: 1 / -1;
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--line-light);
  background: rgba(238, 243, 252, .72);
  text-align: left;
}
@media (max-width: 1100px) and (min-width: 761px) {
  .alignment-card-grid { gap: 12px; }
  .alignment-card { padding: 22px 18px; border-radius: 18px; }
  .alignment-card h3 { font-size: 20px; }
  .alignment-card-copy { font-size: 13px; }
}
@media (max-width: 760px) {
  .alignment-section { padding: 54px 0 64px; }
  .alignment-card-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 22px; }
  .alignment-card { padding: 22px; border-radius: 20px; }
  .alignment-watermark { top: 12px; font-size: 120px; }
  .alignment-card h3 { font-size: 25px; }
  .alignment-card-copy { font-size: 15px; }
  .distribution-visualization { margin-top: 52px; padding-top: 0; }
  .distribution-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .distribution-tabs button { padding-inline: 12px; }
  .distribution-comparison { grid-template-columns: 1fr; }
  .distribution-metrics { margin-top: 10px; }
  .distribution-metric-bars { min-height: 150px; }
}

@media (max-width: 520px) {
  .distribution-metrics { grid-template-columns: 1fr; }
  .distribution-metrics-legend,
  .distribution-metrics-caption { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .distribution-tabs button,
  .distribution-comparison { transition: none; }
}

.capture-system-section { padding: 80px 0 96px; }
/* Human capture and robot teleoperation form one continuous equipment block. */
#capture.capture-system-section { padding-bottom: 0; }
.teleop-system-section { padding-top: 48px; border-top: 0; }
.capture-system-shell { width: 80vw; }
.capture-system-heading { margin-bottom: 36px; }
.capture-system-heading .eyebrow { margin: 0 0 20px; }
.capture-system-heading h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(28px, 3.1vw, 48px);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.capture-system-heading h2 em { font-style: normal; }
.capture-intro,
.teleop-intro,
.deployment-intro {
  max-width: 820px;
  margin: 22px 0 0;
  color: var(--gray);
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.65;
}
.capture-media-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  align-items: stretch;
  gap: 14px;
}
.capture-data-grid {
  grid-template-columns: minmax(0, .823fr) minmax(0, 1.177fr);
  align-items: start;
  gap: 24px;
}
.capture-system-section .capture-media-grid {
  width: 75vw;
  max-width: 100%;
  margin-inline: auto;
}
.capture-media-card {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: 16px;
  background: #102451;
}
.teleop-media-grid { grid-template-columns: minmax(0, .785fr) minmax(0, 1.215fr); gap: 4px; }
.capture-schematic { display: flex; flex-direction: column; background: transparent; }
.capture-schematic-image { flex: 1; display: flex; align-items: center; padding: 0; }
.capture-schematic-image img { width: 100%; height: auto; object-fit: contain; }
/* Fit the source artwork's alpha bounds (65,69)-(1722,1512), not its empty canvas. */
.teleop-media-grid .capture-schematic { align-self: start; }
.teleop-media-grid .capture-schematic-image {
  position: relative;
  flex: none;
  width: 100%;
  aspect-ratio: 1657 / 1443;
  overflow: hidden;
}
.teleop-media-grid .capture-schematic-image img {
  position: absolute;
  width: 108.811708%;
  max-width: none;
  height: auto;
  left: -3.922752%;
  top: -4.781705%;
}
.capture-combined-video { align-self: start; }
.capture-media-card video { display: block; width: 100%; max-width: 100%; height: auto; object-fit: contain; background: #102451; }
.capture-data-grid .capture-combined-video video { object-fit: contain; }
.capture-media-card figcaption {
  padding: 13px 16px;
  border-top: 1px solid var(--line-light);
  color: var(--gray);
  background: var(--white);
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: .035em;
  text-transform: uppercase;
}
.capture-system-details { margin-top: 28px; }
.teleop-details { margin-top: 24px; }
.capture-system-details > p { max-width: 960px; margin: 0; color: var(--gray); font-size: 15px; line-height: 1.7; }
.capture-system-details .capture-specs { margin-top: 24px; }
.capture-system-details .capture-specs dt { font-family: var(--sans); font-size: 22px; font-weight: 650; line-height: 1.25; letter-spacing: -.025em; }
.capture-system-details .capture-specs dd { margin-top: 11px; font-family: var(--sans); font-size: 15px; line-height: 1.65; text-transform: none; }

@media (max-width: 760px) {
  .capture-system-section { padding: 54px 0 64px; }
  .teleop-system-section { padding-top: 32px; }
  .capture-system-shell { width: 80vw; }
  .capture-system-heading { margin-bottom: 26px; }
  .capture-system-heading h2 { font-size: clamp(25px, 6.4vw, 36px); }
  .capture-media-grid { grid-template-columns: 1fr; gap: 14px; }
  .capture-data-grid { gap: 14px; }
  .teleop-media-grid { gap: 4px; }
  .capture-schematic-image { justify-content: center; padding: 0; }
  .capture-schematic-image img { width: 100%; height: auto; max-height: none; }
  .capture-system-details > p { font-size: 14px; }
  .capture-system-details .capture-specs { grid-template-columns: 1fr; }
  .capture-system-details .capture-specs div { padding: 20px 0; border-right: 0; }
}

/* Desktop reading rail: 60% research canvas with a persistent contents index. */
.side-toc { display: none; }

@media (min-width: 1180px) {
  :root { --shell: min(60vw, var(--shell-max)); }

  .shell,
  .capture-system-shell {
    width: var(--shell);
    max-width: var(--shell-max);
    margin-inline: auto;
  }

  .demo-video-shell {
    width: min(60vw, var(--media-shell-max));
    max-width: var(--media-shell-max);
    margin-inline: auto;
  }

  .nav.shell {
    width: min(1520px, calc(100vw - 48px));
    margin-inline: auto;
  }

  .hero .shell {
    width: min(1280px, calc(100vw - 64px));
    margin-inline: auto;
  }

  .capture-system-section .capture-media-grid { width: 100%; }

  .side-toc {
    position: fixed;
    z-index: 80;
    top: 50%;
    left: max(24px, calc(50vw - 850px));
    width: min(10vw, 190px);
    display: block;
    color: #162338;
    opacity: 0;
    pointer-events: none;
    transform: translate(-10px, -47%);
    transition: opacity 220ms ease, transform 320ms cubic-bezier(.22, 1, .36, 1);
  }

  .side-toc.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, -47%);
  }

  .side-toc-title {
    margin: 0 0 18px;
    padding: 0 0 17px;
    border-bottom: 1px solid rgba(37, 85, 189, .22);
    font-family: var(--serif);
    font-size: clamp(25px, 2vw, 34px);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -.04em;
  }

  .side-toc nav { display: grid; gap: 3px; }

  .side-toc a {
    position: relative;
    display: block;
    padding: 10.5px 0 10.5px 17px;
    color: #68758a;
    font-family: var(--mono);
    font-size: clamp(10px, .82vw, 13px);
    line-height: 1.25;
    letter-spacing: .015em;
    transition: color 180ms ease, transform 180ms ease;
  }

  .side-toc a::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 3px;
    height: 0;
    border-radius: 999px;
    background: var(--orange-hot);
    transform: translateY(-50%);
    transition: height 180ms ease;
  }

  .side-toc a:hover,
  .side-toc a.is-active {
    color: var(--orange-hot);
    transform: translateX(3px);
  }

  .side-toc a.is-active { font-weight: 700; }
  .side-toc a.is-active::before { height: 18px; }
}

/* Ultrawide displays need a reading-width cap rather than a viewport-only width. */
@media (min-width: 1800px) and (min-aspect-ratio: 2 / 1) {
  :root {
    --shell-max: 960px;
    --media-shell-max: 1120px;
  }

  .demo-video-shell .highlight-statement {
    max-width: var(--shell-max);
    margin-inline: auto;
  }

  .side-toc { left: max(24px, calc(50vw - 780px)); }
}

/* Let the white page field flow continuously between major sections. */
#main-content > section { border-block: 0 !important; }
#main-content > .research-marquee { border-block: 0 !important; }
.section-heading { border-bottom: 0; }
.distribution-visualization { border-top: 0; }
.site-footer { border-top: 0; }

/* One compact vertical rhythm for every research section below the cover. */
#main-content > section:not(.hero):not(.proof-band) { padding-block: 32px !important; }

@media (max-width: 760px) {
  #main-content > section:not(.hero):not(.proof-band) { padding-block: 24px !important; }
}

/* Section titles stand on their own; remove the former eyebrow labels. */
.eyebrow,
.highlight-kicker { display: none; }

/* Dark theme: deep blue-black surfaces with the same restrained blue accent. */
html[data-theme="dark"] {
  color-scheme: dark;
  --black: #f2f6ff;
  --black-soft: #0c1321;
  --black-raised: #111b2d;
  --paper: #080d17;
  --white: #080d17;
  --gray: #9caabe;
  --gray-dark: #9caabe;
  --line-dark: rgba(128, 161, 226, .2);
  --line-light: rgba(128, 161, 226, .2);
  --orange: #6f9eff;
  --orange-hot: #6f9eff;
  --purple: #6f9eff;
  --purple-deep: #0b1426;
  --chart-bg: #0b1220;
  --chart-panel: #101a2b;
  --chart-border: #263957;
  --chart-grid: #263957;
  --chart-text: #e7eefb;
  --chart-muted: #96a7bf;
  --chart-marker-outline: #0b1220;
  background: #080d17;
}

html[data-theme="dark"] body,
html[data-theme="dark"] .hero,
html[data-theme="dark"] .demo-video-section,
html[data-theme="dark"] .capture-section,
html[data-theme="dark"] .method-section,
html[data-theme="dark"] .tasks-section,
html[data-theme="dark"] .results-section,
html[data-theme="dark"] .data-efficiency-section {
  color: #e7eefb;
  background: #080d17;
}

html[data-theme="dark"] .nav,
html[data-theme="dark"] .site-header.is-scrolled .nav {
  color: #eef4ff;
  border-bottom-color: rgba(128, 161, 226, .18);
  background: rgba(8, 13, 23, .9);
}
html[data-theme="dark"] .site-header.is-scrolled { background: rgba(8, 13, 23, .94); }
html[data-theme="dark"] .brand-word,
html[data-theme="dark"] .nav-links a:hover,
html[data-theme="dark"] .nav-links a.is-active { color: #eef4ff; }
html[data-theme="dark"] .nav-links a { color: #9ba9bc; }
html[data-theme="dark"] .nav-links a::after { background: #eef4ff; }
html[data-theme="dark"] .nav-paper { color: #080d17; border-color: #eef4ff; background: #eef4ff; }
html[data-theme="dark"] .theme-toggle { color: #a9b7ca; border-color: rgba(128, 161, 226, .28); }
html[data-theme="dark"] .theme-toggle:hover { color: #dce8ff; border-color: #6f9eff; background: rgba(111, 158, 255, .1); }

html[data-theme="dark"] .hero-orb {
  background: radial-gradient(
    ellipse at 50% 108%,
    #07132f 0%,
    #123b8d 27%,
    #3569cf 44%,
    rgba(88, 130, 220, .64) 57%,
    rgba(54, 75, 116, .3) 68%,
    rgba(8, 13, 23, 0) 81%
  );
}
html[data-theme="dark"] .hero h1,
html[data-theme="dark"] .hero-author-list { color: #f2f6ff; }
html[data-theme="dark"] .hero-title-roam { color: #6f9eff; }
html[data-theme="dark"] .hero-title-name:hover .hero-title-roam { color: #91b4ff; }
html[data-theme="dark"] .hero-affiliations { color: #aeb9c9; }
html[data-theme="dark"] .hero-author-note { color: #8391a6; }
html[data-theme="dark"] .hero-venue { color: #a9c5f7; }
html[data-theme="dark"] .hero-venue strong { color: #6f9eff; }
html[data-theme="dark"] .button-dark { color: #080d17; border-color: #eef4ff; background: #eef4ff; }
html[data-theme="dark"] .button-dark:hover { color: #fff; border-color: #3568d4; background: #3568d4; }
html[data-theme="dark"] .button-quiet { color: #e7eefb; border-color: rgba(158, 180, 220, .34); background: rgba(12, 19, 33, .72); }

html[data-theme="dark"] .citation-section { color: #e7eefb; background: #080d17; }
html[data-theme="dark"] .citation-layout,
html[data-theme="dark"] .citation-copy,
html[data-theme="dark"] .code-toolbar { border-color: rgba(128, 161, 226, .2); }
html[data-theme="dark"] .citation-code { background: #0c1321; }
html[data-theme="dark"] .citation-code pre { color: #d7e2f2; }
html[data-theme="dark"] .code-toolbar button { color: #8db0ff; border-color: rgba(128, 161, 226, .3); background: #0c1321; }

html[data-theme="dark"] .policy-results-panel,
html[data-theme="dark"] .data-efficiency-panel {
  border-color: rgba(128, 161, 226, .2);
  background: #0c1423;
  box-shadow: 0 22px 58px rgba(0, 0, 0, .24);
}
html[data-theme="dark"] .highlight-statement p { color: #aab6c8; }
html[data-theme="dark"] .highlight-title { color: #eef3ff; }
html[data-theme="dark"] .highlight-title em { color: #80a8ff; }
html[data-theme="dark"] .highlight-statement strong,
html[data-theme="dark"] .highlight-underline { color: #80a8ff; }
html[data-theme="dark"] :where(
  .capture-system-heading h2,
  .policy-results-heading h2,
  .data-efficiency-heading h2,
  .deployment-current-title,
  .alignment-card h3,
  .distribution-heading h3,
  .distribution-metric-title h4,
  .policy-chart-heading h3
) { color: #e7eefb; }

html[data-theme="dark"] .alignment-card,
html[data-theme="dark"] .alignment-card:nth-child(2) {
  border-color: rgba(128, 161, 226, .2);
  background: linear-gradient(145deg, #101a2b, #0b1321);
}
html[data-theme="dark"] .alignment-card-copy,
html[data-theme="dark"] .distribution-heading > p:last-child { color: #9caabe; }
html[data-theme="dark"] .alignment-watermark { color: rgba(111, 158, 255, .06); }

html[data-theme="dark"] .distribution-tabs button {
  color: #9cacc2;
  border-color: rgba(128, 161, 226, .2);
  background: #0d1626;
}
html[data-theme="dark"] .distribution-tabs button:hover { color: #8db0ff; border-color: rgba(111, 158, 255, .5); }
html[data-theme="dark"] .distribution-tabs button.is-active { color: #fff; border-color: #3568d4; background: #3568d4; }
html[data-theme="dark"] .distribution-heading h3 { color: #e7eefb; }
html[data-theme="dark"] .distribution-heading h3 em { color: #6f9eff; }
html[data-theme="dark"] .distribution-panel {
  border-color: rgba(128, 161, 226, .2);
  background: rgba(11, 19, 33, .56);
}
html[data-theme="dark"] .distribution-metrics {
  border-color: rgba(128, 161, 226, .2);
  background: rgba(11, 19, 33, .56);
}
html[data-theme="dark"] .distribution-panel figcaption {
  border-top-color: rgba(128, 161, 226, .18);
  background: rgba(16, 26, 43, .86);
}
html[data-theme="dark"] .distribution-metrics-caption {
  border-top-color: rgba(128, 161, 226, .18);
  background: rgba(16, 26, 43, .86);
}
html[data-theme="dark"] .distribution-panel figcaption,
html[data-theme="dark"] .distribution-metrics-caption,
html[data-theme="dark"] .distribution-metrics-legend,
html[data-theme="dark"] .distribution-metric-title span,
html[data-theme="dark"] .distribution-metric-series { color: #94a5bd; }
html[data-theme="dark"] .distribution-metric-value { color: #dce6f6; }
html[data-theme="dark"] .distribution-metric-bars { border-bottom-color: #60718d; background: repeating-linear-gradient(to bottom, rgba(128, 161, 226, .13) 0 1px, transparent 1px 33.333%); }

html[data-theme="dark"] .policy-results-controls select {
  color: #e2ebf8;
  border-color: rgba(128, 161, 226, .24);
  background-color: #111c2d;
}
html[data-theme="dark"] .policy-results-legend span,
html[data-theme="dark"] .policy-chart-task,
html[data-theme="dark"] .policy-chart-y-label,
html[data-theme="dark"] .policy-chart-bar span { color: #b4c0d1; }
html[data-theme="dark"] .policy-chart-scale { color: #91a1b8; }
html[data-theme="dark"] .policy-chart-plot { border-color: #60718d; }
html[data-theme="dark"] .policy-chart-grid i { border-top-color: rgba(128, 161, 226, .16); }

html[data-theme="dark"] .data-efficiency-legend button { color: #aab7c9; }
html[data-theme="dark"] .data-efficiency-legend button:hover,
html[data-theme="dark"] .data-efficiency-legend button:focus-visible,
html[data-theme="dark"] .data-efficiency-legend button[aria-pressed="true"] {
  color: #e7eefb;
  border-color: rgba(128, 161, 226, .24);
  background: #111c2d;
}
html[data-theme="dark"] .data-efficiency-legend i::after { border-color: #0c1423; }
html[data-theme="dark"] .data-efficiency-note strong { color: #80a8ff; }

html[data-theme="dark"] .side-toc { color: #e7eefb; }
html[data-theme="dark"] .side-toc-title { border-bottom-color: rgba(128, 161, 226, .24); }
html[data-theme="dark"] .side-toc a { color: #8292a9; }
html[data-theme="dark"] .side-toc a:hover,
html[data-theme="dark"] .side-toc a.is-active { color: #80a8ff; }

/* Resource links keep the site-wide button language and add recognizable icons. */
.resource-button {
  gap: 8px;
  white-space: nowrap;
}
.resource-button iconify-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  font-size: 18px;
}
.resource-button--arxiv iconify-icon { color: #b31b1b; }
.resource-button--paper iconify-icon { color: #d23b32; }
.resource-button--video iconify-icon { color: #ff0000; }
.resource-button--hardware iconify-icon { color: #2555bd; }
.resource-button--github iconify-icon { color: #171a1f; }
.resource-button--huggingface iconify-icon { color: #d8a900; }
html[data-theme="dark"] .resource-button--github iconify-icon { color: #eef4ff; }

@media (max-width: 760px) {
  html[data-theme="dark"] .nav-menu { color: #e7eefb; border-color: rgba(128, 161, 226, .22); background: rgba(8, 13, 23, .98); }
  html[data-theme="dark"] .nav-links a { color: #e7eefb; }
}

/* TouchWorld-inspired two-act opening: an immersive cover, then the full paper record. */
.site-header {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition: height 220ms ease, background 220ms ease, border-color 220ms ease, opacity 260ms ease, transform 420ms cubic-bezier(.22, 1, .36, 1);
}

.site-header.is-scrolled {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-progress { opacity: 0; transition: opacity 220ms ease; }
body:has(.site-header.is-scrolled) .scroll-progress { opacity: 1; }

#main-content > .hero {
  height: 118svh;
  min-height: 900px;
  padding: 0;
  overflow: visible;
  background: var(--white);
}

.hero::before { display: none; }
.hero-orb { display: block; }

.hero-sticky {
  --hero-progress: 0;
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  color: var(--black);
  background: var(--white);
  opacity: calc(1 - var(--hero-progress) * .94);
  transform: translateY(calc(var(--hero-progress) * -2.4vh));
  transform-origin: center;
  will-change: opacity, transform;
}

.hero-media,
.hero-shade {
  display: none;
}

.hero-video {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .52;
  filter: brightness(.5) saturate(.68) contrast(1.08);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.hero .hero-copy {
  position: relative;
  z-index: 2;
  width: min(1600px, calc(100vw - 64px));
  height: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-inline: auto;
  padding: clamp(172px, 19vh, 220px) 0 0;
  border: 0;
  text-align: center;
}

.hero h1 {
  width: 100%;
  max-width: 1600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(15px, 2vh, 22px);
  margin: 0;
  transform: translateY(calc(var(--hero-progress) * -5vh));
  will-change: transform;
}

.hero h1::first-line { color: inherit; }

.hero-title-name {
  display: inline-flex;
  align-items: baseline;
  color: var(--black);
  font-family: var(--hero-rounded);
  font-size: clamp(82px, 11.5vw, 184px);
  font-weight: 580;
  line-height: .82;
  letter-spacing: -.075em;
  text-shadow: none;
}

.hero-title-roam {
  color: #1262f3;
  font-family: var(--hero-script);
  font-weight: 400;
  letter-spacing: -.055em;
}

.hero-title-subtitle {
  width: 100%;
  max-width: 1600px;
  color: #111827;
  font-family: var(--serif);
  font-size: clamp(24px, 3.25vw, 50px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.045em;
  text-wrap: balance;
  text-shadow: none;
}

html[data-theme="dark"] #main-content > .hero,
html[data-theme="dark"] .hero-sticky {
  color: #f2f6ff;
  background: #080d17;
}

html[data-theme="dark"] .hero-title-name,
html[data-theme="dark"] .hero-title-subtitle { color: #f2f6ff; }

html[data-theme="dark"] .hero-title-roam { color: #6f9eff; }

html[data-theme="dark"] .hero-video {
  opacity: .34;
  filter: brightness(.42) saturate(.58) contrast(1.08);
  mix-blend-mode: screen;
}

#main-content > .paper-intro {
  position: relative;
  z-index: 3;
  min-height: 0;
  display: block;
  margin-top: 0;
  padding-block: clamp(56px, 6vw, 84px) clamp(64px, 7vw, 96px) !important;
  color: #101726;
  background: #fff;
}

.paper-intro-shell { display: flex; flex-direction: column; align-items: flex-start; }

.paper-intro h2 {
  width: 100%;
  min-width: 0;
  max-width: 1180px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 3.5vw, 50px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.paper-intro .hero-authors {
  max-width: 1180px;
  margin-top: clamp(16px, 1.6vw, 24px);
  text-align: left;
}

.paper-intro .hero-author-list {
  margin: 0;
  color: #172033;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.55;
}

.paper-intro .hero-affiliations {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 8px 22px;
  margin: 20px 0 0;
  color: #667085;
  font-size: 12px;
  line-height: 1.55;
}

.paper-intro .hero-affiliation-wide {
  flex-basis: auto;
  text-align: left;
}

.paper-intro .hero-actions {
  max-width: 980px;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 19px;
}

.paper-intro .button-quiet {
  color: #14203a;
  border-color: rgba(37, 85, 189, .22);
  background: #f7f9fd;
}

.paper-intro .button-quiet:hover {
  color: #fff;
  border-color: #2555bd;
  background: #2555bd;
}

.paper-intro .hero-venue {
  margin: 14px 0 0;
  color: #728096;
  text-align: left;
}

.paper-intro .hero-venue strong { color: #2555bd; }

html[data-theme="dark"] #main-content > .paper-intro {
  color: #eef4ff;
  background: #080d17;
}

html[data-theme="dark"] .paper-intro .hero-author-list { color: #eef4ff; }
html[data-theme="dark"] .paper-intro .hero-affiliations { color: #aeb9c9; }
html[data-theme="dark"] .paper-intro .button-quiet {
  color: #e7eefb;
  border-color: rgba(158, 180, 220, .34);
  background: rgba(12, 19, 33, .72);
}

@media (max-width: 760px) {
  #main-content > .hero { height: 118svh; min-height: 760px; }
  .hero-sticky { min-height: 560px; }
  .hero .hero-copy {
    width: min(100% - 40px, 640px);
    align-items: center;
    padding: clamp(148px, 19vh, 176px) 0 0;
    text-align: center;
  }
  .hero h1 { width: 100%; min-width: 0; align-items: center; gap: 12px; }
  .hero-title-name { width: auto; font-size: clamp(58px, 19vw, 84px); }
  .hero-title-subtitle { width: 100%; max-width: 100%; margin: 0; font-size: clamp(21px, 6.6vw, 31px); line-height: 1.08; }
  .hero-media { object-position: 61% center; }
  #main-content > .paper-intro { min-height: 0; margin-top: 0; padding-block: 56px 72px !important; }
  .paper-intro h2 { font-size: clamp(31px, 8.8vw, 43px); line-height: 1.08; }
  .paper-intro .hero-affiliations { display: flex; gap: 8px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-sticky,
  .hero-media,
  .hero h1 { transform: none; }

  .hero-video { display: none; }
}

/* Keep the navigation wordmark aligned with the cover typography. */
.brand-word {
  display: inline-flex;
  align-items: baseline;
  color: #080808;
  font-family: var(--hero-rounded);
  font-size: 21px;
  font-weight: 580;
  letter-spacing: -.055em;
  line-height: .9;
}

.brand-roam {
  color: #1262f3;
  font-family: var(--hero-script);
  font-weight: 400;
  letter-spacing: -.04em;
}

.nav-related {
  position: relative;
}

.nav-related > summary {
  list-style: none;
  cursor: pointer;
}

.nav-related > summary::-webkit-details-marker { display: none; }

.nav-related-menu {
  position: absolute;
  z-index: 2;
  top: calc(100% + 12px);
  right: 0;
  width: max-content;
  min-width: 220px;
  padding: 7px;
  border: 1px solid var(--line-light);
  border-radius: 10px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 16px 36px rgba(18, 31, 60, .14);
}

.nav-related-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: #526179;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.25;
  white-space: nowrap;
}

.nav-related-menu a:hover,
.nav-related-menu a:focus-visible {
  color: #162338;
  background: #eef3ff;
}

html[data-theme="dark"] .brand-word { color: #f2f6ff; }
html[data-theme="dark"] .brand-roam { color: #6f9eff; }
html[data-theme="dark"] .nav-related-menu {
  border-color: rgba(128, 161, 226, .24);
  background: #101a2b;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
}
html[data-theme="dark"] .nav-related-menu a { color: #b8c6dc; }
html[data-theme="dark"] .nav-related-menu a:hover,
html[data-theme="dark"] .nav-related-menu a:focus-visible {
  color: #eef4ff;
  background: #172746;
}

@media (max-width: 760px) {
  .nav-related { width: 100%; }
  .nav-related > summary { width: 100%; }
  .nav-related-menu {
    position: static;
    width: 100%;
    min-width: 0;
    margin-top: 8px;
    box-shadow: none;
  }
  .nav-related-menu a { white-space: normal; }
  html[data-theme="dark"] .nav-related-menu { background: #101a2b; }
}

/* Simple citation block */
.citation-section {
  padding-block: 82px;
  color: #162338;
  background: var(--white);
}

.citation-card {
  padding: 30px 32px 32px;
  overflow: hidden;
  border: 1px solid #dbe5f6;
  border-radius: 18px;
  background: #eef3ff;
}

.citation-card h2 {
  margin: 0 0 18px;
  color: #2555bd;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
}

.citation-card pre {
  margin: 0;
  overflow-x: auto;
  color: #30435f;
  font-family: var(--mono);
  font-size: clamp(11px, 1.05vw, 14px);
  line-height: 1.65;
  white-space: pre;
}

.citation-card code { font: inherit; }

html[data-theme="dark"] .citation-section {
  color: #e7eefb;
  background: #080d17;
}

html[data-theme="dark"] .citation-card {
  border-color: rgba(128, 161, 226, .2);
  background: #101a2b;
}

html[data-theme="dark"] .citation-card h2 { color: #80a8ff; }
html[data-theme="dark"] .citation-card pre { color: #c9d5e8; }

@media (max-width: 760px) {
  .citation-section { padding-block: 58px; }
  .citation-card { padding: 22px 20px 24px; border-radius: 14px; }
  .citation-card h2 { margin-bottom: 14px; font-size: 14px; }
  .citation-card pre { font-size: 10px; line-height: 1.6; }
}