:root {
  --bg: #fafafa;
  --text: #202124;
  --muted: #666;
  --line: #ddd;
  --accent: #0969da;
  --code: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 var(--code);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem; }

.site-header,
main,
footer {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.wordmark { color: var(--text); font-weight: 700; font-size: 16px; }
.wordmark span { color: var(--accent); }
nav { display: flex; gap: 20px; }
.nav-cv { color: var(--accent); }
nav [aria-current="page"] { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }

.hero {
  min-height: 0;
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 180px;
  align-items: center;
  gap: 40px;
}
.eyebrow { margin: 0 0 14px; color: var(--muted); font-size: 12px; }
h1 { margin: 0; font-size: clamp(30px, 6vw, 48px); line-height: 1.15; letter-spacing: -2px; }
.intro { max-width: 680px; margin: 18px 0; color: var(--muted); font-size: 15px; }
.hero-actions { display: flex; flex-direction: row; align-items: center; gap: 16px; }
.hero-actions .button { display: inline-flex; align-items: center; height: 32px; line-height: 1; }
.button-dark { background: var(--text); color: #fff; padding: 0 10px; }
.button-dark:hover { text-decoration: none; background: var(--accent); }
.portrait {
  display: block;
  width: 180px;
  height: 210px;
  object-fit: cover;
  object-position: center 35%;
  border: 1px solid var(--line);
  filter: saturate(.85);
}

.section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
}
.section-label { color: var(--muted); font-size: 12px; }
.section-label span { color: var(--accent); }
h2 { margin: 0 0 18px; font-size: 20px; }

.publication-list { list-style: none; margin: 0; padding: 0; }
.publication-item {
  display: grid;
  grid-template-columns: 54px 1fr 20px;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.publication-item:first-child { border-top: 0; padding-top: 0; }
.pub-year { color: var(--accent); }
.pub-type,
.degree { margin: 0 0 3px; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.publication-item h3,
.timeline-item h3 { margin: 0 0 4px; font-size: 14px; line-height: 1.45; }
.publication-item p,
.timeline-item p { margin: 0; color: var(--muted); font-size: 12px; }
.publication-item > a { font-size: 16px; }
.no-link { color: var(--line); }

.education { background: transparent; }
.timeline-item {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.timeline-item:first-child { border-top: 0; padding-top: 0; }
.timeline-date { color: var(--accent); font-size: 12px; }

footer { padding: 40px 0 24px; }
.footer-lead { margin: 0 0 12px; font-size: 17px; font-weight: 700; }
.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}
.footer-meta p { margin: 0; }
.reveal { opacity: 1; transform: none; }

.page-intro {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
}
.page-intro h1 { font-size: clamp(30px, 6vw, 42px); }
.page-intro .intro { margin-bottom: 0; }
.resource-list { padding: 36px 0 64px; }
.resource-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.resource-number { color: var(--accent); }
.resource-item h2 { margin: 0 0 6px; font-size: 16px; }
.resource-item p { max-width: 680px; margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.resource-link { font-weight: 700; }
.course-list { padding: 36px 0 64px; }
.course-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.course-item:first-child { padding-top: 0; }
.course-code { color: var(--accent); }
.course-level { margin: 0 0 3px; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.course-item h2 { margin: 0 0 8px; font-size: 16px; line-height: 1.45; }
.course-item h2 a { color: var(--text); }
.course-item h2 a:hover { color: var(--accent); }
.course-item div > p:last-child { max-width: 720px; margin: 0; color: var(--muted); font-size: 13px; }

@media (max-width: 640px) {
  .site-header { align-items: flex-start; padding: 16px 0; }
  nav { gap: 10px; flex-direction: column; text-align: right; }
  .hero { padding: 42px 0; grid-template-columns: 1fr; gap: 24px; }
  .portrait { width: 130px; height: 150px; grid-row: 1; }
  .page-intro { padding: 42px 0 32px; }
  .course-item { grid-template-columns: 1fr; gap: 4px; }
  .section { grid-template-columns: 1fr; gap: 18px; padding: 36px 0; }
  .publication-item { grid-template-columns: 44px 1fr 18px; gap: 8px; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; }
  .footer-meta { flex-direction: column; }
}