:root {
  --bg: #09090b;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.075);
  --line: rgba(255, 255, 255, 0.11);
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --soft: #d4d4d8;
  --accent: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 5%, rgba(59, 130, 246, 0.22), transparent 30rem),
    radial-gradient(circle at 85% 0%, rgba(168, 85, 247, 0.16), transparent 28rem),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 9, 11, 0.78);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--text);
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
}

.eyebrow,
.card-label,
.pub-meta {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.17em;
  font-size: 12px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(48px, 8vw, 86px);
  line-height: 0.95;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: -0.035em;
}

.lead {
  max-width: 720px;
  color: var(--soft);
  font-size: 20px;
  line-height: 1.75;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
.small-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.18s ease, background 0.18s ease;
}

.button:hover,
.small-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.1);
}

.button.primary {
  background: var(--accent);
  color: #09090b;
}

.snapshot-card,
.card,
.publication,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.snapshot-card {
  padding: 30px;
}

.snapshot-card h2 {
  margin-top: 12px;
  font-size: 31px;
}

.stat-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.stat-grid div {
  padding: 18px;
  border-radius: 20px;
  background: rgba(9, 9, 11, 0.55);
  border: 1px solid var(--line);
}

.stat-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 7px;
}

.stat-grid strong {
  font-size: 22px;
}

.two-column {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 54px;
}

.text-block p,
.card p,
.publication p,
.contact-card p,
.timeline p,
.award-list p {
  color: var(--soft);
  line-height: 1.75;
}

.cards {
  display: grid;
  gap: 18px;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  padding: 26px;
}

.card.numbered span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  font-weight: 800;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.7;
}

.publication-list {
  display: grid;
  gap: 18px;
}

.publication {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
  padding: 30px;
}

.pub-meta {
  margin-bottom: 12px;
}

.publication h3 {
  font-size: 24px;
}

.pub-authors {
  margin-bottom: 14px;
  color: var(--muted) !important;
  font-size: 15px;
  font-weight: 600;
}

.author-highlight {
  color: var(--text);
  font-weight: 800;
}

.author-note {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag-row span {
  display: inline-flex;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--soft);
  font-size: 13px;
}

.split-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.large-card {
  min-height: 420px;
}

.timeline,
.award-list {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.timeline div {
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.timeline span,
.award-list span {
  color: var(--muted);
  font-size: 14px;
}

.award-list div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(9, 9, 11, 0.32);
}

.contact-card {
  padding: 44px;
  text-align: center;
}

.centered {
  justify-content: center;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  padding: 34px 20px;
}

footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .nav {
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 18px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero,
  .two-column,
  .cards.three,
  .split-cards,
  .publication {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  .section {
    padding: 54px 0;
  }

  .lead {
    font-size: 18px;
  }
}