:root {
  color-scheme: light;
  --ink: #302923;
  --muted: #6b625b;
  --accent: #ad4f25;
  --accent-hover: #8e3e1b;
  --accent-soft: #f6ece3;
  --accent-line: #e5d2c3;
  --line: #e6dfd6;
  --paper: #fcfaf6;
  --surface: #f5f0e8;
  --lead: #51483f;
  --reading-font: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
svg { flex: 0 0 auto; width: 20px; height: 20px; }
.page { width: min(100% - 56px, 1020px); margin: 0 auto; }
.skip-link { position: absolute; top: -80px; left: 20px; padding: 12px 18px; background: white; z-index: 10; }
.skip-link:focus { top: 16px; }
.hero { padding: 76px 0 44px; text-align: center; }
h1 { max-width: 1000px; margin: 0 auto 28px; font-size: clamp(2.1rem, 4.1vw, 3.3rem); font-weight: 700; line-height: 1.16; letter-spacing: -0.035em; text-wrap: balance; }
.project-name { color: var(--accent); }
.authors, .affiliations { display: flex; flex-wrap: wrap; justify-content: center; list-style: none; padding: 0; }
.authors { gap: 12px 27px; margin: 0; font-size: 18px; font-weight: 500; }
sup { margin-left: 2px; font-size: 0.66em; line-height: 0; vertical-align: super; }
.affiliations { gap: 10px 24px; margin: 15px 0 0; color: var(--muted); font-size: 15px; }
.affiliations sup { margin: 0 4px 0 0; color: var(--accent); }
.resources { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }
.resource { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 11px 18px; border: 1px solid var(--line); border-radius: 7px; font-size: 14px; font-weight: 600; text-decoration: none; }
.resource-primary { border-color: var(--accent); background: var(--accent); color: white; transition: background 160ms ease, transform 160ms ease; }
.resource-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.resource-detail { font-size: 11px; font-weight: 500; opacity: 0.8; }
.resource-primary .resource-detail { padding-left: 9px; border-left: 1px solid #ffffff50; }
.resource-pending { background: var(--surface); color: var(--muted); }
.resource-pending .resource-detail { padding-left: 8px; border-left: 1px solid var(--line); }
.paper-status { margin: 15px 0 0; color: var(--muted); font-size: 12px; }
.overview { max-width: 810px; margin: 0 auto; padding: 32px 0 36px; text-align: center; border-top: 1px solid var(--line); }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; }
h2 { margin: 0; font-size: 30px; font-weight: 650; line-height: 1.25; letter-spacing: -0.025em; }
.lead, .overview-detail, .project-figure figcaption, .steps p, .online-note p { font-family: var(--reading-font); }
.lead { margin: 19px 0 0; font-size: 21px; line-height: 1.65; color: var(--lead); text-wrap: pretty; }
.lead strong { color: var(--ink); font-weight: 600; }
.overview-detail { max-width: 765px; margin: 15px auto 0; font-size: 18px; line-height: 1.7; color: var(--muted); text-wrap: pretty; }
.project-figure { max-width: 1000px; margin: 0 auto; scroll-margin-top: 24px; }
.figure-image { display: block; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: white; }
.figure-image img { display: block; width: 100%; height: auto; }
.project-figure figcaption { max-width: 770px; margin: 16px auto 0; color: var(--muted); font-size: 16px; line-height: 1.65; text-align: center; text-wrap: pretty; }
.method { padding: 52px 0 50px; }
.section-heading { text-align: center; }
.section-heading h2 { font-size: 27px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; margin: 29px 0 0; padding: 0; list-style: none; }
.steps li { position: relative; padding: 0 4px; }
.steps li + li::before { position: absolute; left: -27px; top: 10px; content: "→"; color: #b79780; font-size: 19px; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 1px solid var(--accent-line); border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 11px; font-weight: 650; }
h3 { margin: 13px 0 9px; font-size: 16px; line-height: 1.4; font-weight: 650; }
.steps p { margin: 0; font-size: 16px; line-height: 1.65; color: var(--muted); }
.online-note { display: flex; align-items: flex-start; gap: 16px; margin-top: 30px; padding: 22px 26px; border-left: 3px solid var(--accent); border-radius: 0 7px 7px 0; background: var(--accent-soft); }
.online-note svg { margin-top: 2px; color: var(--accent); }
.online-note h3 { margin: 0 0 6px; font-size: 15px; }
.online-note p { max-width: 860px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.citation { padding: 32px 0 34px; border-top: 1px solid var(--line); }
.citation h2 { margin-bottom: 22px; font-size: 27px; }
.citation-box { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.citation-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.copy-citation { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid var(--accent-line); border-radius: 5px; background: var(--paper); color: var(--accent); font: inherit; font-weight: 500; cursor: pointer; }
.copy-citation:hover { background: var(--accent-soft); }
.copy-citation svg { width: 15px; height: 15px; }
.citation pre { margin: 0; padding: 20px; white-space: pre-wrap; overflow-wrap: anywhere; }
.citation code { color: var(--ink); font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 13px; line-height: 1.85; }
.copy-status { min-height: 18px; margin: 9px 0 0; color: var(--muted); font-size: 12px; }
.footer { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 24px 0 34px; border-top: 1px solid var(--line); font-size: 12px; }
.footer-name { color: var(--accent); font-size: 14px; font-weight: 750; letter-spacing: 0.02em; }
.footer p { margin: 0; color: var(--muted); }

@media (max-width: 700px) {
  .page { width: min(100% - 36px, 1020px); }
  .hero { padding: 46px 0 32px; }
  h1 { max-width: 570px; font-size: clamp(2rem, 6.2vw, 2.6rem); margin-bottom: 24px; }
  .authors { gap: 11px 20px; font-size: 16px; }
  .affiliations { gap: 10px 16px; font-size: 13px; line-height: 1.6; }
  .overview { padding: 28px 0; }
  h2 { font-size: 27px; }
  .lead { font-size: 19px; line-height: 1.65; }
  .overview-detail { font-size: 17px; }
  .figure-image { padding: 10px; }
  .project-figure figcaption { font-size: 15px; padding: 0 5px; }
  .method { padding: 40px 0 36px; }
  .steps { grid-template-columns: 1fr; gap: 24px; max-width: 480px; margin: 26px auto 0; }
  .steps li { padding-left: 49px; }
  .step-number { position: absolute; left: 0; top: 1px; }
  .steps h3 { margin: 0 0 6px; }
  .steps li + li::before { display: none; }
  .online-note { padding: 20px 18px; gap: 12px; }
  .footer { justify-content: center; gap: 10px; text-align: center; }
  .footer p { flex-basis: 100%; }
}

@media (max-width: 380px) {
  .page { width: calc(100% - 28px); }
  .resource { padding: 11px 13px; gap: 7px; }
  .resource-detail { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .resource-primary { transition: none; }
}