:root {
  --bg: #f7f7f4;
  --panel: #ffffff;
  --text: #1d2630;
  --muted: #5b6570;
  --line: #d9ddd7;
  --accent: #264f85;
  --accent-dark: #183657;
}

* {
  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;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 247, 244, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
}

.nav-links a,
a {
  color: var(--accent);
  text-decoration: none;
}

.nav-links a:hover,
a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem;
}

.hero {
  min-height: 76vh;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr);
  align-items: center;
  gap: 2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.08em;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.12rem;
  margin-bottom: 0.35rem;
}

.lead {
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  color: var(--muted);
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-block;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-dark);
  color: white;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.profile-card,
.card,
.publication,
.contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(29, 38, 48, 0.06);
}

.profile-card {
  padding: 1.5rem;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card,
.publication,
.contact-card {
  padding: 1.25rem;
}

.publication-list {
  display: grid;
  gap: 1rem;
}

.meta {
  color: var(--muted);
  margin-bottom: 0;
}

.timeline,
ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.75rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 780px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .two-column {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3rem 1rem;
  }
}
.hero-name {
  font-size: clamp(3.5rem, 7vw, 5.75rem);
  line-height: 1;
  letter-spacing: -0.045em;
  margin: 0.15em 0 0.45em;
  font-weight: 800;
}