:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: #b9c6d4;
  --line-strong: #002145;
  --accent: #002145;
  --max-width: 100%;
  --serif: "PT Serif", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", "Noto Sans", Arial, sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); }
a:hover { opacity: 0.85; }

h1, h2, h3 {
  line-height: 1.25;
  margin: 0 0 0.7rem;
}

h1 { font-size: clamp(2.05rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 0.7rem; }

.undergraduate-heading {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--accent);
  border-bottom: 1px solid var(--accent);
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: #fff;
  text-decoration: none;
}

.brand img { height: 46px; width: auto; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; }
.brand-title { font-weight: 700; letter-spacing: 0.08em; color: #fff; }
.brand-subtitle { color: #fff; font-size: 0.82rem; }
.brand-fallback { font-weight: 700; letter-spacing: 0.2em; color: #fff; }

nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 600;
  text-transform: lowercase;
  padding: 0.35rem 0.2rem;
  border-bottom: 2px solid transparent;
}
nav a:hover { color: #fff; border-bottom-color: #fff; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.2rem 4rem;
}

.hero { margin-top: 0.2rem; display: block; }
.hero-main,
.hero-aside {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}

.hero-main { min-height: auto; display: flex; flex-direction: column; gap: 1.2rem; }
.hero-kicker { display: none; }
.hero-intro {
  font-size: 1.08rem;
  max-width: none;
  color: #243041;
  font-family: var(--serif);
  text-indent: 0.75rem;
}
.hero-meta { color: var(--muted); font-size: 0.95rem; }

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.info-list li {
  border-left: 3px solid var(--accent);
  padding-left: 0.8rem;
  font-family: var(--serif);
}

.section { margin-top: 2.6rem; }
.section-header {
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.55rem;
}

.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card,
.member-card,
.gallery-grid figure,
.publication-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 280px));
  justify-content: start;
  gap: 1.2rem;
}

.gallery-grid img {
  width: 100%;
  border-radius: 0;
  border: 0;
}

.gallery-grid figcaption {
  margin-top: 0.45rem;
  color: #374151;
  font-size: 0.9rem;
  font-weight: 600;
}

.gallery-detail {
  margin: 0.15rem 0 0;
  font-size: 0.76rem;
  color: #6b7280;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.2rem;
  text-align: center;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  background: #fbfcff;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 280px));
  justify-content: start;
  gap: 1.2rem;
}

.member-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 0;
  border: 0;
  margin-bottom: 0.6rem;
}

.member-card h3 { margin: 0 0 0.2rem; font-size: 1.05rem; }
.member-position { margin: 0 0 0.22rem; color: #374151; font-size: 0.9rem; font-weight: 600; }
.member-email { margin: 0 0 0.25rem; font-size: 0.86rem; }
.member-email a { color: var(--accent); text-decoration: none; }
.member-keywords { margin: 0 0 0.3rem; font-size: 0.76rem; color: #6b7280; }
.member-webpage { margin: 0; font-size: 0.84rem; font-weight: 600; }

.pub-year-heading {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin: 2rem 0 1rem;
}

.pub-year-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3.7vw, 3.4rem);
}

.pub-year-heading .line {
  height: 1px;
  background: var(--line);
  flex: 1;
}

.pub-entry {
  margin: 0 0 2rem;
  padding-left: 0.1rem;
}

.pub-title { margin-bottom: 0.25rem; }
.pub-venue { font-family: var(--serif); }
.pub-authors,
.pub-venue,
.pub-links { margin-bottom: 0.2rem; }

@media (max-width: 760px) {
  .site-header-inner { flex-direction: column; align-items: flex-start; }
  nav { gap: 0.65rem; }
  .people-grid { grid-template-columns: 1fr; }
}


.news-entry {
  margin: 0 0 1.2rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.gallery-entry {
  margin: 0;
}

.news-detail {
  margin-top: 0.2rem;
  font-size: 0.92rem;
}

.gallery-detail {
  margin: 0.2rem 0 0;
  padding-left: 0.3rem;
}