:root {
  --fg: #1a1a1a;
  --muted: #666;
  --link: #0645ad;
  --rule: #e5e5e5;
  --bg: #ffffff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.intro h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  letter-spacing: -0.01em;
}

.intro .role {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

section {
  margin: 2.5rem 0;
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.4rem;
  margin: 0 0 1.25rem;
}

#about p {
  margin: 0 0 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ol.pubs {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: pub;
}

ol.pubs li {
  counter-increment: pub;
  margin: 0 0 1.5rem;
  padding-left: 2.25rem;
  position: relative;
}

ol.pubs li::before {
  content: counter(pub);
  position: absolute;
  left: 0;
  top: 0.15rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  width: 1.75rem;
  text-align: right;
}

.pub-title {
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.15rem;
}

.pub-authors {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.45;
}

.pub-authors strong {
  color: var(--fg);
  font-weight: 600;
}

.pub-venue {
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
  margin-top: 0.1rem;
}

#contact p {
  margin: 0;
}

@media (max-width: 520px) {
  main { padding: 2.5rem 1.25rem 4rem; }
  header { flex-direction: column; text-align: center; gap: 1rem; }
  .avatar { width: 96px; height: 96px; }
  ol.pubs li { padding-left: 1.75rem; }
}