:root {
  color-scheme: light;
  --paper: #f5f4ef;
  --ink: #252b27;
  --muted: #58615b;
  --line: #d1d5cb;
  --accent: #245b40;
  --amber: #996018;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: .25em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.page { max-width: 1080px; margin: 0 auto; padding: 0 48px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; border-bottom: 2px solid var(--accent); }
.wordmark { color: var(--accent); font-family: var(--mono); font-size: 17px; font-weight: 600; letter-spacing: -.06em; text-decoration: none; padding: 12px 0; }
.wordmark span { font-weight: 400; }
.wordmark .mark { color: var(--amber); font-weight: 700; }
.contact-link { display: inline-flex; gap: 16px; align-items: center; min-height: 44px; font: 12px var(--mono); text-decoration: none; white-space: nowrap; }
.about-intro { display: grid; grid-template-columns: minmax(0, 1fr) 72px; gap: 32px; align-items: start; padding: 32px 0; }
.about h1 { font-size: 18px; line-height: 1.5; font-weight: 500; letter-spacing: -.01em; margin: 0; }
.about-lede { max-width: 660px; font-size: 16px; line-height: 1.75; margin: 10px 0 0; }
.avatar { display: block; width: 100%; height: auto; aspect-ratio: 1; border: 1px solid var(--line); padding: 5px; }
.about-copy section { display: grid; grid-template-columns: 220px minmax(0, 1fr); column-gap: 48px; border-top: 1px solid var(--line); padding: 28px 0 16px; }
.about-copy h2 { grid-column: 1; grid-row: 1 / span 4; font: 12px/1.7 var(--mono); color: var(--accent); margin: 2px 0 16px; }
.section-number { color: var(--amber); display: block; margin-bottom: 8px; font-size: 10px; }
.about-copy p { grid-column: 2; font-size: 16px; line-height: 1.75; margin: 0 0 14px; color: var(--muted); }
.contact { border-top: 2px solid var(--accent); margin-top: 28px; padding: 30px 0 38px; }
.contact p { font-size: 16px; line-height: 1.6; margin: 0 0 12px; }
.contact > a { display: inline-flex; align-items: center; gap: 18px; color: var(--accent); font: 14px/1.5 var(--mono); min-height: 44px; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; border-top: 1px solid var(--line); padding: 14px 0 22px; color: var(--muted); font: 11px var(--mono); }
footer p { margin: 0; }
footer nav { display: flex; gap: 22px; }
footer a { display: inline-flex; gap: 7px; align-items: center; min-width: 44px; min-height: 44px; text-decoration: none; }
.skip-link { position: absolute; top: -100px; left: 20px; background: var(--paper); padding: 12px; z-index: 1; }
.skip-link:focus { top: 10px; }
.references { grid-column: 2; min-width: 0; }
.references article + article { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 24px; }
.references h3 { font-size: 17px; line-height: 1.5; font-weight: 500; margin: 0 0 10px; }
.references .reference-meta { font: 10px/1.7 var(--mono); color: var(--muted); margin-bottom: 8px; }
.references summary { cursor: pointer; color: var(--accent); font: 12px/1.7 var(--mono); padding: 12px 0; }
.references summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.references summary span { margin-left: 12px; }
.references iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; margin: 8px 0 16px; }
.references .reference-links { display: flex; flex-wrap: wrap; gap: 0 20px; font: 11px/1.6 var(--mono); }
.reference-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--accent); }
@media (max-width: 700px) {
  .page { padding: 0 22px; }
  header { padding: 14px 0; gap: 12px; }
  .wordmark { font-size: 14px; }
  .contact-link { gap: 7px; font-size: 11px; }
  .about-intro { grid-template-columns: minmax(0, 1fr) 48px; gap: 16px; padding: 28px 0; }
  .about-lede { margin-right: -64px; padding-top: 18px; }
  .about-copy section { grid-template-columns: 1fr; padding-top: 22px; }
  .about-copy h2 { grid-row: auto; }
  .section-number { display: inline; margin-right: 8px; }
  .about-copy p, .references { grid-column: 1; }
  .contact { margin-top: 16px; }
  footer { flex-wrap: wrap; gap: 4px 20px; }
  footer nav { gap: 20px; }
}