:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1c1d1f;
  --muted: #5c6068;
  --line: #e4e1da;
  --accent: #9b2c2c;
  --accent-ink: #ffffff;
  --code-bg: #f3f1ec;
  --hero-bg: #f2efe8;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141517;
    --surface: #1c1d20;
    --text: #e8e6e1;
    --muted: #a3a6ad;
    --line: #2e3035;
    --accent: #e0726b;
    --accent-ink: #141517;
    --code-bg: #212226;
    --hero-bg: #191a1d;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-underline-offset: 2px; }

/* Hero */
.hero {
  background: var(--hero-bg);
  border-bottom: 1px solid var(--line);
  padding: 72px 0 48px;
  text-align: center;
}
.venue {
  font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 12px;
}
h1 {
  font: 600 clamp(34px, 6vw, 52px)/1.1 var(--serif);
  margin: 0; letter-spacing: -.01em;
}
.subtitle {
  font: 400 clamp(18px, 2.6vw, 22px)/1.4 var(--serif);
  color: var(--muted); margin: 10px 0 24px;
}
.authors { font-size: 17px; margin: 0; }
.authors span + span::before { content: " · "; color: var(--muted); }
.affil { font-size: 14px; color: var(--muted); margin: 4px 0 28px; min-height: 1em; }

.buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line);
  text-decoration: none; font-weight: 500; font-size: 15px;
  transition: border-color .15s, transform .15s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn-accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* Sections */
main section { padding: 44px 0 8px; }
h2 {
  font: 600 26px/1.25 var(--serif);
  margin: 0 0 16px; padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
h3 { font: 600 16px/1.3 var(--sans); margin: 0 0 6px; }
.lead { font: 400 19px/1.5 var(--serif); font-style: italic; }
.note { font-size: 14px; color: var(--muted); }

.pipeline {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  margin: 24px 0 0; font-size: 14px; font-weight: 500;
}
.pipeline span {
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--surface);
}
.pipeline i { flex: 0 0 18px; height: 1px; background: var(--muted); position: relative; }
.pipeline i::after {
  content: ""; position: absolute; right: -1px; top: -3px;
  border: 3.5px solid transparent; border-left: 5px solid var(--muted);
}

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px;
}
.card p { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.card a { font-size: 14px; font-weight: 500; word-break: break-all; }
.size { font-size: 12px; color: var(--muted); margin-left: 4px; }

.steps { padding-left: 22px; }
.steps li { margin-bottom: 6px; }
.plain { padding-left: 20px; }

code { font: 13.5px var(--mono); background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre {
  background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 16px; overflow-x: auto; margin: 0 0 16px;
}
pre code { background: none; padding: 0; font-size: 13px; line-height: 1.6; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }

.bib { position: relative; }
.copy {
  position: absolute; top: 8px; right: 8px;
  font: 500 12px var(--sans); padding: 4px 10px; border-radius: 6px;
  background: var(--surface); color: var(--text); border: 1px solid var(--line); cursor: pointer;
}
.copy:hover { border-color: var(--accent); }

footer {
  margin-top: 56px; padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted); text-align: center;
}

@media (max-width: 560px) {
  .hero { padding: 48px 0 36px; }
  .btn { font-size: 14px; padding: 8px 13px; }
}