:root {
  --navy: #153455;
  --navy-deep: #0d243d;
  --blue: #2b5f91;
  --mist: #eef3f8;
  --paper: #ffffff;
  --line: #d8e1ec;
  --text: #233143;
  --muted: #5a697a;
  --link: #1f5a93;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--text);
  background: #f7f9fc;
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.top-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--navy), var(--blue));
}

.container {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

h1,
h2,
h3,
.footer-title {
  font-family: "Source Serif 4", serif;
}

.brand-logo {
  display: block;
  width: min(420px, 52vw);
  max-width: 100%;
  height: auto;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.98rem;
  padding-left: 4px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav a {
  color: var(--text);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--text);
  padding: 8px 12px;
  font: inherit;
}

.hero {
  background: linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 28px 0;
  align-items: start;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 0.94rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lead {
  max-width: none;
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.lead-secondary {
  margin-top: 14px;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 14px;
}

.text-link {
  font-weight: 700;
}

.section-block {
  background: var(--paper);
  border: 1px solid var(--line);
}

.pi-photo {
  display: block;
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  margin: 0;
  border: 1px solid var(--line);
}

.section-block h2 {
  margin-top: 0;
  margin-bottom: 14px;
  color: var(--navy-deep);
  font-size: 1.6rem;
}

.pi-name {
  margin: -4px 0 12px;
  color: var(--navy);
  font-family: "Source Serif 4", serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.profile-links,
.bullet-list,
.news-list {
  padding-left: 20px;
}

.profile-links li,
.bullet-list li,
.news-list li {
  margin-bottom: 8px;
}

.contact-line {
  margin-bottom: 0;
  font-size: 0.98rem;
  color: var(--muted);
}

.content-section {
  padding: 30px 0 56px;
}

.content-stack {
  display: grid;
  gap: 22px;
}

.bottom-section {
  padding: 0 0 32px;
}

.bottom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: stretch;
}

.bottom-card {
  height: 100%;
}

.visitor-card {
  padding: 24px;
  text-align: center;
  background: var(--paper);
  border: 1px solid var(--line);
}

.visitor-card h2 {
  margin: 0 0 8px;
  color: var(--navy-deep);
  font-size: 1.6rem;
}

.visitor-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.visitor-counter {
  max-width: 100%;
  height: auto;
}

.content-row {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.content-row-full {
  grid-template-columns: 1fr;
}

.side-column {
  display: grid;
  gap: 22px;
}

.publications-wide {
  min-width: 0;
}

.section-block {
  padding: 24px;
}

.compact-block {
  padding: 20px;
}

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

.publication-scroll {
  max-height: 980px;
  overflow-y: auto;
  padding-right: 10px;
}

.publication {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.publication:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.publication-title,
.publication-meta,
.publication-venue,
.publication-links {
  margin: 0;
}

.publication-title {
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 1.08rem;
}

.publication-meta,
.publication-venue {
  color: var(--muted);
}

.publication-links {
  margin-top: 6px;
}

.publication-links a {
  margin-right: 14px;
  font-weight: 600;
}

.team-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.team-copy h3 {
  margin: 4px 0 12px;
  color: var(--navy-deep);
  font-size: 1.5rem;
}

.team-role {
  margin: 0;
  color: var(--blue);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.member-card {
  padding: 18px;
  background: var(--mist);
  border: 1px solid var(--line);
}

.member-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  color: var(--navy-deep);
  font-size: 1.15rem;
}

.member-card p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 36px;
}

.footer-title {
  margin: 0 0 6px;
  color: var(--navy-deep);
  font-size: 1.4rem;
}

@media (max-width: 920px) {
  .hero-grid,
  .content-row,
  .member-grid,
  .team-card,
  .bottom-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .hero-grid {
    padding: 34px 0;
  }

  .brand-logo {
    width: min(300px, 78vw);
  }
}