:root {
  --ink: #17211b;
  --muted: #60706b;
  --paper: #f4f6f2;
  --surface: #ffffff;
  --line: #d9e1dc;
  --teal: #007a78;
  --tomato: #cf5134;
  --gold: #ad8700;
  --blue: #3f5f91;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(0, 122, 120, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(63, 95, 145, 0.07) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 6vw;
  background: rgba(244, 246, 242, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 800;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a,
.text-link {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.text-link:hover {
  color: var(--teal);
  border-bottom-color: currentColor;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 56px;
  align-items: center;
  min-height: 720px;
  padding: 86px 0 64px;
}

.eyebrow,
.section-kicker,
.time,
.pub-meta {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 860px;
  font-size: 4rem;
  line-height: 1.02;
  margin-top: 14px;
}

.lead {
  max-width: 760px;
  margin-top: 28px;
  color: #31423c;
  font-size: 1.12rem;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.link-row a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}

.link-row a:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.profile-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 20px 70px rgba(23, 33, 27, 0.12);
}

.profile-photo {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 6px;
  background: #e7ebe7;
}

.profile-lines {
  display: grid;
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.profile-lines div {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 12px;
  padding: 14px;
  background: #fbfcfa;
}

.profile-lines span {
  color: var(--muted);
  font-size: 0.9rem;
}

.profile-lines strong {
  font-size: 0.95rem;
}

.section {
  padding: 86px 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  max-width: 780px;
  margin-top: 10px;
  font-size: 2.45rem;
  line-height: 1.15;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.focus-item,
.publication {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.focus-item {
  min-height: 280px;
  padding: 24px;
}

.focus-index {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--tomato);
  font-weight: 900;
}

.focus-item h3 {
  font-size: 1.18rem;
  line-height: 1.25;
}

.focus-item p {
  margin-top: 14px;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 56px;
  align-items: start;
}

.timeline {
  border-left: 2px solid var(--line);
}

.timeline-item {
  position: relative;
  padding: 0 0 34px 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 3px;
  left: -7px;
  width: 12px;
  height: 12px;
  background: var(--surface);
  border: 2px solid var(--teal);
  border-radius: 50%;
}

.timeline-item.highlight::before {
  border-color: var(--tomato);
  background: var(--tomato);
}

.timeline-item h3 {
  margin-top: 4px;
  font-size: 1.15rem;
}

.org-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.org-title span {
  min-width: 0;
}

.org-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 8px;
}

.org-icon.wide {
  width: 84px;
  border-radius: 5px;
}

.timeline-item p {
  margin-top: 8px;
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.text-link {
  flex: none;
  color: var(--teal);
  font-weight: 800;
}

.publication-list {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.publication {
  padding: 22px 24px;
}

.pub-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.publication .pub-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border-radius: 6px;
}

.publication .pub-meta span.venue {
  color: #9a6b00;
  background: #fff3cf;
}

.publication .pub-meta span.topic {
  color: #245d93;
  background: #e9f2ff;
}

.publication h3 {
  margin-top: 8px;
  font-size: 1.12rem;
  line-height: 1.35;
}

.publication h3 a {
  text-decoration: none;
}

.publication h3 a:hover {
  color: var(--teal);
}

.publication p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.96rem;
}

.publication .pub-abstract {
  max-width: 980px;
  margin-top: 12px;
  padding-left: 12px;
  color: #3e514b;
  border-left: 3px solid rgba(0, 122, 120, 0.28);
  font-size: 0.94rem;
  line-height: 1.58;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 42px 0 56px;
  border-top: 1px solid var(--line);
}

.footer h2 {
  font-size: 1.35rem;
}

.footer p {
  color: var(--muted);
}

.footer a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

.updated {
  align-self: end;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 58px;
  }

  h1 {
    font-size: 3rem;
  }

  .profile-panel {
    max-width: 420px;
  }

  .focus-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .hero,
  .section,
  .footer {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: 2.28rem;
  }

  .section {
    padding: 62px 0;
  }

  .section h2 {
    font-size: 1.9rem;
  }

  .profile-lines div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .publication {
    padding: 18px;
  }
}