:root {
  --ink: #172638;
  --muted: #657384;
  --line: #d7e0e8;
  --paper: #f7f9fb;
  --white: #fff;
  --blue: #287cc2;
  --blue-soft: #e1eef9;
  --cyan: #2996aa;
  --gold: #e6a74f;
  --pink: #cb6f9e;
  --dark: #182434;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.shell { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 34px; height: 72px; padding: 0 max(24px, calc((100vw - 1160px) / 2)); border-bottom: 1px solid rgba(215, 224, 232, .9); background: rgba(247, 249, 251, .94); backdrop-filter: blur(12px); }
.brand { margin-right: auto; font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.mark, .footer-mark, .plus, h1 .plus { color: var(--blue); }
.topbar nav { display: flex; gap: 26px; color: var(--muted); font-size: 14px; }
.topbar nav a:hover, .footer a:hover { color: var(--blue); }
.nav-button { padding: 8px 13px; border: 1px solid var(--ink); font-size: 13px; font-weight: 700; }
.hero { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; padding-top: 92px; padding-bottom: 108px; }
.eyebrow, .section-kicker { margin: 0 0 17px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(56px, 8vw, 108px); line-height: .92; letter-spacing: -.07em; }
.lede { max-width: 530px; margin: 30px 0 25px; font-size: clamp(21px, 2.3vw, 30px); line-height: 1.2; letter-spacing: -.03em; }
.authors { margin: 0; font-size: 14px; }
.affiliations, .note { color: var(--muted); font-size: 12px; line-height: 1.55; }
.actions { display: flex; gap: 10px; margin-top: 29px; }
.button { display: inline-flex; align-items: center; gap: 9px; padding: 12px 17px; border: 1px solid var(--ink); font-size: 13px; font-weight: 750; }
.button-dark { color: #fff; background: var(--ink); }
.button-light { background: transparent; }
.button:hover { transform: translateY(-2px); }
.hero-visual { padding: 18px; border: 1px solid var(--line); background: var(--white); box-shadow: 14px 14px 0 var(--blue-soft); }
.visual-label { margin: 0 0 13px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero-visual img { width: 100%; aspect-ratio: 1.52; object-fit: contain; background: #f1f5f8; }
.visual-caption, figcaption { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.statement-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--blue-soft); }
.statement-grid { display: grid; grid-template-columns: .45fr 1fr 1.05fr; gap: 34px; align-items: start; padding: 56px 0; }
.statement-grid h2 { margin: 0; font-size: clamp(28px, 4vw, 48px); line-height: 1.05; letter-spacing: -.045em; }
.statement-grid > p:last-child { margin: 2px 0 0; color: #4b657d; font-size: 15px; }
em { color: var(--blue); font-style: normal; }
.section { padding-top: 112px; padding-bottom: 112px; }
.section-heading { max-width: 750px; }
h2 { margin: 0 0 18px; font-size: clamp(34px, 5vw, 62px); line-height: 1.02; letter-spacing: -.05em; }
.section-heading > p:last-child { max-width: 680px; margin: 0; color: var(--muted); font-size: 16px; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 58px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.method-step { min-height: 220px; padding: 24px 28px 25px 0; border-right: 1px solid var(--line); }
.method-step + .method-step { padding-left: 28px; }
.method-step:last-child { border-right: 0; }
.step-number { display: block; margin-bottom: 35px; color: var(--blue); font-size: 12px; font-weight: 800; }
h3 { margin: 0 0 10px; font-size: 21px; letter-spacing: -.02em; }
.method-step p { margin: 0; color: var(--muted); font-size: 14px; }
.wide-figure { margin: 64px 0 0; }
.wide-figure img { width: 100%; border: 1px solid var(--line); background: #fff; }
.section-tint { background: #edf4fa; }
.two-column { display: grid; grid-template-columns: .86fr 1.14fr; gap: 90px; align-items: center; }
.two-column > div:first-child > p:not(.section-kicker) { max-width: 520px; color: var(--muted); font-size: 15px; }
.path-list { margin-top: 34px; border-top: 1px solid #c7d9e7; }
.path-list div { display: flex; align-items: center; gap: 13px; padding: 12px 0; border-bottom: 1px solid #c7d9e7; color: var(--muted); font-size: 13px; }
.path-tag { min-width: 54px; padding: 3px 6px; color: #fff; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-align: center; }
.train { background: var(--gold); } .deploy { background: var(--blue); }
.image-stack { position: relative; min-height: 390px; }
.image-stack figure { width: 84%; margin: 0; padding: 12px; background: var(--white); box-shadow: 8px 8px 0 rgba(41, 150, 170, .17); }
.image-stack figure img { width: 100%; aspect-ratio: 1.7; object-fit: cover; }
.token-card { position: absolute; right: 0; bottom: 8px; display: flex; align-items: center; gap: 13px; padding: 18px; color: #fff; background: var(--dark); box-shadow: -8px 8px 0 rgba(230, 167, 79, .3); }
.token-count { font-size: 42px; font-weight: 850; line-height: 1; color: var(--gold); letter-spacing: -.07em; }
.token-label { font-size: 12px; line-height: 1.25; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 54px; }
.metric { min-height: 166px; padding: 23px 18px; background: var(--white); border-top: 3px solid var(--blue); }
.metric:nth-child(2) { border-color: var(--cyan); } .metric:nth-child(3) { border-color: var(--gold); } .metric:nth-child(4) { border-color: var(--pink); }
.metric-value { display: block; font-size: 34px; font-weight: 800; letter-spacing: -.05em; }
.metric-label { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.35; }
.metric-change { display: block; margin-top: 15px; color: var(--blue); font-size: 12px; font-weight: 750; }
.robot-figure { margin-top: 55px; }
.section-dark { color: #f4f7fb; background: var(--dark); }
.section-dark .section-kicker { color: #79c9d4; }
.deployment { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: end; }
.deployment h2 { max-width: 500px; }
.deployment-points { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.deployment-points p { margin: 0; padding-top: 16px; border-top: 1px solid #536477; color: #adbbc9; font-size: 13px; }
.deployment-points strong { color: #fff; font-size: 15px; }
.citation-section { padding-bottom: 90px; }
.resource-row { display: flex; gap: 12px; margin-top: 38px; }
.resource { display: flex; justify-content: space-between; gap: 70px; padding: 14px 17px; border: 1px solid var(--ink); font-size: 13px; font-weight: 750; }
.resource:hover { color: var(--blue); border-color: var(--blue); }
.bibtex { margin-top: 42px; overflow: hidden; border: 1px solid var(--line); background: #edf1f5; }
.bibtex-header { display: flex; justify-content: space-between; padding: 10px 15px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.bibtex button { padding: 0; border: 0; color: var(--blue); background: transparent; font: inherit; cursor: pointer; text-transform: uppercase; }
pre { overflow-x: auto; margin: 0; padding: 20px; color: #3b4b5b; font: 12px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; gap: 12px; min-height: 88px; color: var(--muted); font-size: 12px; }
.footer-mark { font-size: 20px; }
.footer a { margin-left: auto; }
@media (max-width: 850px) {
  .topbar { gap: 16px; padding: 0 24px; }
  .topbar nav { display: none; }
  .hero, .two-column, .deployment, .statement-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero { padding-top: 64px; padding-bottom: 80px; }
  .hero-visual { box-shadow: 8px 8px 0 var(--blue-soft); }
  .statement-grid { padding: 42px 0; }
  .method-grid, .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .method-step:nth-child(2) { border-right: 0; }
  .method-step:nth-child(3) { border-top: 1px solid var(--line); padding-left: 0; }
  .image-stack { min-height: 360px; }
  .deployment-points { gap: 15px; }
}
@media (max-width: 560px) {
  .shell { width: min(100% - 32px, 1160px); }
  .topbar { height: 62px; padding: 0 16px; }
  .nav-button { padding: 7px 10px; }
  .hero { padding-top: 54px; }
  h1 { font-size: 64px; }
  .lede { font-size: 23px; }
  .actions, .resource-row { flex-wrap: wrap; }
  .button, .resource { width: 100%; justify-content: center; }
  .section { padding-top: 75px; padding-bottom: 75px; }
  .method-grid, .metric-grid { grid-template-columns: 1fr; }
  .method-step, .method-step + .method-step { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-step:last-child { border-bottom: 0; }
  .method-step:nth-child(3) { border-top: 0; }
  .image-stack { min-height: 300px; }
  .image-stack figure { width: 88%; }
  .token-card { padding: 13px; }
  .deployment-points { grid-template-columns: 1fr; }
  .footer-inner { flex-wrap: wrap; padding: 20px 0; }
  .footer a { margin-left: 0; width: 100%; }
}