:root {
  --text: #1a1a1a;
  --text-muted: #555;
  --text-faint: #888;
  --rule: #e5e5e5;
  --accent: #6b1f1f;
  --bg: #fdfcfa;
  --bg-soft: #f5f2ec;
  --max-w: 760px;
  --serif: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header / nav ---- */
header.site {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
  margin-bottom: 48px;
}

header.site .wrap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.brand {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover { color: var(--accent); }

nav.primary {
  font-family: var(--sans);
  font-size: 15px;
}

nav.primary a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
}

nav.primary a:first-child { margin-left: 0; }
nav.primary a:hover { color: var(--accent); }
nav.primary a.active { color: var(--text); border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

@media (max-width: 640px) {
  header.site { padding: 16px 0; margin-bottom: 32px; }
  header.site .wrap { flex-direction: column; align-items: flex-start; gap: 8px; }
  nav.primary { width: 100%; overflow-x: auto; white-space: nowrap; padding-bottom: 4px; }
  nav.primary a { margin-left: 0; margin-right: 18px; }
}

/* ---- Hero (home) ---- */
.hero {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 48px;
}

.hero img.headshot {
  width: 180px;
  height: auto;
  display: block;
}

.hero h1 {
  font-family: var(--sans);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.hero .title {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--text-muted);
  margin: 0 0 4px;
  font-weight: 400;
}

.hero .affil {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-faint);
  margin: 0;
}

@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr; gap: 20px; }
  .hero img.headshot { width: 140px; }
  .hero h1 { font-size: 28px; }
}

/* ---- Section blocks ---- */
section.block {
  margin-bottom: 56px;
}

h2.section {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

p { margin: 0 0 16px; }

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { border-bottom-color: var(--accent); }

/* Bio paragraph styling */
.bio { font-size: 18px; }
.bio strong { font-weight: 600; }

/* ---- Featured paper card ---- */
.featured {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  margin-top: 8px;
}

.featured .label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.featured .paper-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 6px;
}

.featured .paper-meta {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.featured .paper-venue {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-faint);
  font-style: italic;
}

.featured ul.honors {
  margin: 12px 0 0;
  padding-left: 18px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-muted);
}

.featured ul.honors li { margin-bottom: 2px; }

/* ---- Publication / paper lists ---- */
ol.pub-list, ul.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: item;
}

ol.pub-list li, ul.pub-list li {
  padding: 14px 0;
  position: relative;
  counter-increment: item;
}

ol.pub-list li::before {
  content: counter(item) ".";
  position: absolute;
  left: -32px;
  top: 16px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-faint);
  font-weight: 500;
}

@media (max-width: 640px) {
  ol.pub-list li::before { display: none; }
}

ol.pub-list { padding-left: 32px; }
@media (max-width: 640px) { ol.pub-list { padding-left: 0; } }

.pub-title {
  font-weight: 600;
  font-size: 17px;
  margin-right: 6px;
}

.pub-authors {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-muted);
}

.pub-venue {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-faint);
  font-style: italic;
  display: block;
  margin-top: 4px;
}

.pub-honors {
  margin: 8px 0 0;
  padding-left: 16px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-muted);
}

.pub-honors li { padding: 2px 0; border: none; }
.pub-honors li::before { display: none; }

/* ---- Quick links row ---- */
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-family: var(--sans);
  font-size: 14px;
  margin-top: 12px;
}

.quick-links a {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--text-muted);
  background: #fff;
}

.quick-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- Affiliations grid (home) ---- */
.affil-grid {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--text-muted);
}

.affil-grid li {
  list-style: none;
  padding: 6px 0;
  border-bottom: 1px dotted var(--rule);
}

.affil-grid ul { padding: 0; margin: 0; }
.affil-grid li:last-child { border-bottom: none; }
.affil-grid .role { color: var(--text); font-weight: 500; }
.affil-grid .org { color: var(--text-muted); }

/* ---- Teaching ---- */
.teach-block { margin-bottom: 28px; }
.teach-block h3 {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}
.teach-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--sans);
  font-size: 14px;
}
.teach-block li {
  padding: 6px 0;
  border-bottom: 1px dotted var(--rule);
  color: var(--text-muted);
}
.teach-block li:last-child { border-bottom: none; }
.teach-block .course { color: var(--text); font-weight: 500; }
.teach-block .when { color: var(--text-faint); font-size: 13px; }

/* ---- Awards list ---- */
ul.awards {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
}

ul.awards li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 16px;
}

ul.awards .year {
  color: var(--text-faint);
  font-size: 13px;
  min-width: 80px;
  flex-shrink: 0;
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}

ul.awards .what {
  color: var(--text);
}

/* ---- Footer ---- */
footer.site {
  border-top: 1px solid var(--rule);
  margin-top: 80px;
  padding: 32px 0 48px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text-faint);
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

footer.site a {
  color: var(--text-muted);
  border-bottom: none;
}

footer.site a:hover { color: var(--accent); }

footer.site .contact { line-height: 1.7; }
footer.site .links a { margin-left: 14px; }
footer.site .links a:first-child { margin-left: 0; }

@media (max-width: 640px) {
  footer.site .wrap { flex-direction: column; }
  footer.site .links a { margin-left: 0; margin-right: 14px; }
}