:root { color-scheme: light; --ink: #161b20; --muted: #59656c; --line: #dfe5e6; --teal: #176c69; --soft: #f2f7f6; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; background: #fff; color: var(--ink); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--teal); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #64a9a3; outline-offset: 5px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.top { display: flex; justify-content: space-between; align-items: center; min-height: 78px; border-bottom: 1px solid var(--line); font-size: 13px; }
.wordmark { font-weight: 650; font-size: 18px; text-decoration: none; letter-spacing: -.6px; }
.top nav { display: flex; gap: 26px; }
.top nav a { text-decoration: none; }
.hero { padding: 62px 0 38px; text-align: center; }
.eyebrow { color: var(--muted); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 15px; }
h1 { font: 400 clamp(48px, 7vw, 76px)/1.08 Georgia, "Times New Roman", serif; letter-spacing: -3px; margin: 0 0 14px; }
.subtitle { margin: 0 auto 24px; font: 400 clamp(23px, 3vw, 32px)/1.3 Georgia, "Times New Roman", serif; letter-spacing: -.5px; }
.authors { margin: 0 0 4px; font-size: 16px; }
.authors span + span { margin-left: 24px; }
sup { font-size: 10px; margin-left: 2px; }
.affiliations { font-size: 12px; color: var(--muted); margin: 0; }
.affiliations span { display: inline-block; margin: 0 8px; }
.links { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.links a { padding: 7px 18px; border: 1px solid var(--line); border-radius: 5px; font-size: 13px; text-decoration: none; }
.links .primary { background: var(--ink); color: white; border-color: var(--ink); }
.lead { margin: 30px auto 0; color: #39454b; font-size: 17px; line-height: 1.7; }
figure { margin: 0; }
figure img { display: block; width: 100%; height: auto; }
figcaption { color: var(--muted); font-size: 13px; line-height: 1.6; margin-top: 14px; }
.overview { padding: 10px 0 28px; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 24px 0 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact { padding: 23px 25px; }
.fact + .fact { border-left: 1px solid var(--line); }
.fact strong { display: block; font: 400 42px/1.1 Georgia, serif; letter-spacing: -1px; margin-bottom: 8px; }
.fact span { font-size: 13px; color: var(--muted); }
section { padding: 46px 0; border-bottom: 1px solid var(--line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
h2 { font: 400 30px/1.25 Georgia, "Times New Roman", serif; letter-spacing: -.5px; margin: 0; }
.section-head > p { margin: 0; font-size: 12px; color: var(--muted); }
.method-text { margin: 0 0 24px; font-size: 16px; }
.method-text strong { font-weight: 600; }
.method-figure { padding: 10px 0; }
.method-figure svg { display: block; width: 100%; height: auto; }
.score-summary { display: grid; grid-template-columns: 1fr 1fr 1.1fr; gap: 26px; margin: 25px 0 24px; }
.score { border-top: 2px solid var(--teal); padding-top: 13px; }
.score:nth-child(2) { border-color: #74a9c0; }
.score:nth-child(3) { border-color: #9da8ad; }
.score h3 { margin: 0 0 10px; font-size: 14px; font-weight: 500; }
.score .value { font: 400 42px/1 Georgia, serif; letter-spacing: -1px; }
.score p { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
details { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-size: 14px; padding: 17px 0; }
.table-scroll { overflow-x: auto; padding-bottom: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
caption { text-align: left; color: var(--muted); margin-bottom: 12px; font-size: 12px; white-space: normal; }
th, td { text-align: right; padding: 10px 11px; border-bottom: 1px solid #edf0f0; }
th:first-child, td:first-child { text-align: left; }
thead th { font-weight: 500; color: var(--muted); }
tbody tr:last-child { background: var(--soft); }
.note { color: var(--muted); font-size: 12px; margin: 14px 0 24px; }
.demo-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 34px; align-items: center; }
video { width: 100%; height: auto; display: block; background: #f5f7f7; border: 1px solid var(--line); border-radius: 6px; }
.demo-text p { margin: 0 0 18px; font-size: 15px; }
.command { display: block; padding: 12px 14px; background: var(--soft); font: 12px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; overflow-x: auto; }
.demo-text a { font-size: 13px; }
.cite-actions { display: flex; align-items: center; gap: 18px; font-size: 12px; }
button { font: inherit; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 4px; padding: 6px 13px; cursor: pointer; }
button:hover { border-color: var(--teal); }
pre { margin: 0; overflow-x: auto; background: #f5f7f7; border-radius: 6px; padding: 22px; font: 12px/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; }
footer { display: flex; justify-content: space-between; gap: 15px; padding: 24px 0 34px; font-size: 12px; color: var(--muted); }
footer p { margin: 0; }
@media (max-width: 700px) {
  .wrap { padding: 0 20px; }
  .top { min-height: 66px; }
  .top nav { gap: 16px; font-size: 12px; }
  .hero { padding-top: 42px; }
  h1 { letter-spacing: -2px; }
  .affiliations span { display: block; }
  .lead { font-size: 15px; text-align: left; }
  .fact { padding: 18px 10px; }
  .fact strong { font-size: 33px; }
  .fact span { font-size: 11px; }
  section { padding: 32px 0; }
  .section-head { display: block; }
  .section-head > p { margin-top: 8px; }
  .score-summary { gap: 17px; }
  .score .value { font-size: 34px; }
  .score h3 { font-size: 13px; }
  .score p { font-size: 11px; }
  .demo-grid { grid-template-columns: 1fr; gap: 22px; }
  .cite-actions { margin-top: 14px; }
  footer { display: block; }
  footer p + p { margin-top: 7px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }