* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #161616;
  background: #ffffff;
  line-height: 1.65;
}
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(780px, calc(100% - 40px)); }
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid #e9e9e9;
  backdrop-filter: blur(10px);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { font-weight: 750; text-decoration: none; letter-spacing: -.02em; }
nav { display: flex; gap: 22px; flex-wrap: wrap; }
nav a { text-decoration: none; font-size: .95rem; color: #444; }
nav a:hover { color: #000; }
.hero {
  padding: 110px 0 90px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.45fr .75fr;
  align-items: center;
  gap: 70px;
}
.eyebrow, .section-label {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .76rem;
  font-weight: 800;
  color: #5f6b76;
}
h1 {
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.06em;
  margin: 16px 0 24px;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -.045em;
  margin: 8px 0 24px;
}
h3 { margin-top: 0; line-height: 1.25; letter-spacing: -.02em; }
.lead { font-size: 1.28rem; color: #3f454b; max-width: 720px; }
.affiliation { margin-top: 28px; color: #666; }
.actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.button {
  display: inline-block;
  padding: 12px 18px;
  border: 1px solid #222;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}
.button.primary { background: #171717; color: #fff; }
.profile-card {
  border: 1px solid #e8e8e8;
  border-radius: 24px;
  padding: 18px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(0,0,0,.06);
}
.photo-placeholder {
  aspect-ratio: 4/5;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: #eef1f4;
  color: #75808b;
  margin-bottom: 16px;
  text-align: center;
}
.section { padding: 95px 0; }
.section.alt { background: #f7f8f9; }
.cards { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 32px; }
.cards.three { grid-template-columns: repeat(3,1fr); }
.card {
  border: 1px solid #e5e5e5;
  border-radius: 18px;
  padding: 28px;
  background: #fff;
}
.pub {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid #e5e5e5;
}
.pub:last-child { border-bottom: 1px solid #e5e5e5; }
.year { font-weight: 800; color: #69737e; }
.pub h3 { margin-bottom: 8px; }
.pub p { margin: 0 0 8px; color: #50555a; }
.pub a { font-weight: 700; }
.timeline { padding-left: 20px; }
.timeline li { margin-bottom: 18px; }
.contact { text-align: center; background: #171717; color: white; }
.contact .section-label { color: #aeb7c0; }
.email { font-size: clamp(1.1rem, 3vw, 1.6rem); }
footer { padding: 30px 0; border-top: 1px solid #e8e8e8; color: #666; font-size: .9rem; }

@media (max-width: 820px) {
  .nav { align-items: flex-start; padding: 18px 0; flex-direction: column; }
  nav { gap: 14px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .profile-card { max-width: 420px; }
  .cards, .cards.three { grid-template-columns: 1fr; }
  .pub { grid-template-columns: 1fr; gap: 6px; }
}