:root {
  color-scheme: light dark;
  --paper: #f7f5ef;
  --ink: #242321;
  --muted: #6c6860;
  --rule: #d7d2c7;
  --accent: #a34f37;
  --wash: #eeebe3;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #20201d;
    --ink: #e9e5dc;
    --muted: #b3afa4;
    --rule: #47453d;
    --accent: #dfaa91;
    --wash: #2b2a25;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--serif); }
a { color: var(--accent); text-decoration: none; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration: underline; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--ink); color: var(--paper); }
h1, h2, h3, p { overflow-wrap: break-word; }
p { margin: 0 0 16px; }
h1, h2, h3 { font-family: var(--serif); }
.page { width: min(1040px, calc(100% - 80px)); margin: 0 auto; padding: 64px 0; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; }
.sidebar { position: fixed; top: 64px; width: 220px; max-height: calc(100dvh - 104px); overflow-y: auto; padding-right: 28px; border-right: 1px solid var(--rule); }
.name { font-size: 36px; line-height: 1.02; letter-spacing: -.8px; font-weight: 700; margin: 5px 0 20px; }
.role { font-size: 16px; line-height: 1.55; margin-bottom: 22px; }
.role strong { font-weight: 400; }
.links { display: flex; flex-wrap: wrap; gap: 2px 16px; font-size: 15px; line-height: 1.8; margin: 0 0 24px; }
.nav { display: grid; gap: 5px; padding-top: 18px; border-top: 1px solid var(--rule); font-size: 16px; }
.nav a { color: var(--ink); width: fit-content; }
.nav a:hover { color: var(--accent); }
.meta { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 13px; line-height: 1.8; }
.meta span { display: block; }
main { grid-column: 2; min-width: 0; border-top: 2px solid var(--ink); }
section { padding: 22px 0 28px; border-bottom: 1px solid var(--rule); scroll-margin-top: 0; }
section:first-child { padding-top: 18px; }
h2 { font-size: 26px; line-height: 1.2; letter-spacing: -.35px; font-weight: 700; margin: 0 0 18px; }
h3 { font-size: 23px; line-height: 1.3; letter-spacing: -.3px; font-weight: 700; margin: 0; }
.lede { font-size: 19px; line-height: 1.6; }
.focus-list { list-style: none; padding: 0; margin: 22px 0 0; }
.focus-list li { display: grid; grid-template-columns: 132px 1fr; gap: 16px; margin: 8px 0; font-size: 15px; line-height: 1.6; }
.focus-list strong { font-weight: 700; }
.focus-list span { color: var(--muted); }
.news { list-style: none; margin: 0; padding: 0; }
.news li { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 16px; margin: 0 0 10px; font-size: 15px; line-height: 1.6; }
.date { color: var(--muted); font-variant-numeric: tabular-nums; }
.news strong { font-weight: 400; }
.news-archive { margin-top: 8px; }
.news-archive .news { margin-top: 14px; }
.item { padding: 22px 0; border-top: 1px solid var(--rule); }
.item:first-of-type { border-top: 0; padding-top: 0; }
.item:last-child { padding-bottom: 0; }
.item-head { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-bottom: 3px; }
.item-links { display: flex; gap: 14px; flex: 0 0 auto; color: var(--muted); font-size: 14px; }
.item-kicker { color: var(--muted); font-size: 14px; font-style: italic; margin: 3px 0 10px; }
.item > p { font-size: 16px; line-height: 1.65; margin-bottom: 10px; }
.item > .benchmark-note { font-size: 13px; color: var(--muted); line-height: 1.6; }
.benchmark-note strong { font-weight: 400; color: var(--ink); }
summary { cursor: pointer; width: fit-content; max-width: 100%; color: var(--muted); font-size: 14px; line-height: 1.7; padding: 4px 0; }
summary:hover { color: var(--accent); }
details[open] > summary { color: var(--ink); margin-bottom: 12px; }
.detail-body { font-size: 15px; line-height: 1.65; }
.bullets { padding-left: 20px; margin: 0 0 18px; }
.bullets li { margin: 6px 0; padding-left: 3px; }
.tags { display: flex; flex-wrap: wrap; gap: 3px 14px; margin: 14px 0 0; }
.tag { font-family: var(--sans); font-size: 11px; color: var(--muted); }
.diagrams { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.diagram { margin: 0; padding: 12px 6px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram figcaption { font-size: 12px; font-style: italic; color: var(--muted); text-align: center; margin-top: 10px; }
.d-node { fill: var(--wash); stroke: var(--rule); stroke-width: 1.4; }
.d-label { fill: var(--ink); font: 500 13px var(--sans); }
.d-edge { font: 11px var(--sans); }
.d-agent { stroke: var(--ink); fill: none; stroke-width: 2; }
.d-human { stroke: var(--accent); fill: none; stroke-width: 2; }
.d-agent-fill { fill: var(--ink); }
.d-human-fill { fill: var(--accent); }
.writing { list-style: none; margin: 0; padding: 0; }
.writing li { padding: 12px 0; border-top: 1px solid var(--rule); }
.writing li:first-child { border-top: 0; padding-top: 0; }
.writing li:last-child { padding-bottom: 0; }
.writing a { color: var(--ink); font-size: 18px; }
.writing a:hover { color: var(--accent); }
.writing span { display: block; color: var(--muted); font-size: 14px; line-height: 1.55; margin-top: 4px; }
.experience { list-style: none; padding: 0; margin: 0; }
.experience li { display: grid; grid-template-columns: 136px minmax(0, 1fr); gap: 20px; padding: 16px 0; border-top: 1px solid var(--rule); }
.experience li:first-child { padding-top: 0; border-top: 0; }
.experience li:last-child { padding-bottom: 0; }
.experience li > span { font-size: 13px; color: var(--muted); }
.experience strong { display: block; font-size: 16px; line-height: 1.4; }
.experience p { font-size: 14px; color: var(--muted); margin: 7px 0 0; }
footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-top: 22px; color: var(--muted); font-size: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: absolute; top: 10px; left: 20px; z-index: 10; padding: 6px 12px; background: var(--ink); color: var(--paper); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
@media (max-width: 980px) {
  .page { width: calc(100% - 56px); grid-template-columns: 190px minmax(0, 1fr); gap: 32px; }
  .sidebar { width: 190px; padding-right: 22px; }
  .name { font-size: 33px; }
  .diagrams { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 20px; }
  .page { display: block; width: calc(100% - 40px); padding: 30px 0 38px; }
  .sidebar { position: static; width: auto; max-height: none; overflow: visible; border-right: 0; padding: 0; margin-bottom: 28px; }
  .name { font-size: 32px; margin: 0 0 13px; }
  .name br { display: none; }
  .name br::after { content: ' '; }
  .role { max-width: 480px; margin-bottom: 14px; }
  .links { margin-bottom: 18px; gap: 3px 18px; }
  .nav { display: flex; flex-wrap: wrap; gap: 5px 18px; padding-top: 14px; font-size: 14px; }
  .meta { border-top: 0; padding-top: 0; margin-top: 16px; font-size: 12px; }
  .meta span:not(:last-child) { display: inline; }
  .meta span:first-child::after { content: ' · '; }
  .lede { font-size: 18px; }
  body { font-size: 16px; }
  h2 { font-size: 25px; }
  .focus-list li { display: block; margin: 12px 0; font-size: 14px; }
  .focus-list strong { display: block; margin-bottom: 2px; }
  .news li { grid-template-columns: 62px minmax(0, 1fr); gap: 13px; }
  .item-head { flex-wrap: wrap; gap: 5px 16px; }
  h3 { font-size: 22px; }
  .item > p { font-size: 16px; }
  .experience li { display: block; }
  .experience li > span { display: block; margin-bottom: 6px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  :root { --paper: #fff; --ink: #000; --muted: #444; --rule: #ccc; --accent: #653526; --wash: #f4f4f4; }
  .page { width: 100%; padding: 0; }
  .sidebar { position: static; width: auto; max-height: none; overflow: visible; }
  .nav, .skip-link, footer a { display: none; }
  .item { break-inside: avoid; }
  h2, h3 { break-after: avoid; }
}