:root {
  --blue: #003d7c;
  --orange: #ef7c00;
  --orange-ink: #a44f00;
  --ink: #162c40;
  --muted: #536779;
  --line: #dce4eb;
  --surface: #f2f6fa;
  --maxw: 976px;
  --gutter: clamp(24px, 5vw, 48px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  font-family: Manrope, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: .2em; }
button { font: inherit; color: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.25; letter-spacing: -.025em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
[hidden] { display: none !important; }
::selection { background: #dceaf7; color: var(--blue); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--focus-color, var(--blue));
  outline-offset: 5px;
}
.skip {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 50;
  padding: 10px 18px;
  background: var(--blue);
  color: #fff;
}
.skip:focus { top: 12px; }
.wrap, .hero, .section {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--gutter);
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
}
.brand-group {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: none;
}
.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}
.brand-logo { width: 190px; height: auto; flex: none; }
.university-brand {
  display: inline-flex;
  align-items: center;
  min-height: 60px;
  padding-right: 18px;
  border-right: 1px solid var(--line);
}
.university-brand img { width: 112px; height: auto; aspect-ratio: 616.2845 / 324.555; }
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--blue); border-bottom-color: var(--orange); }
.site-nav a:last-child { color: var(--blue); font-weight: 700; }
.menu-toggle { display: none; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr);
  gap: 0 40px;
  align-items: center;
  padding-block: 64px 56px;
}
.hero > .eyebrow { grid-column: 1 / -1; margin-bottom: 28px; }
.hero-copy { min-width: 0; }
.eyebrow {
  border-left: 3px solid var(--orange);
  padding-left: 14px;
  margin-bottom: 26px;
  color: var(--blue);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: .01em;
}
.lab-suffix { white-space: nowrap; }
.lab-affiliation { display: inline-block; max-width: 100%; }
.hero h1 { font-size: clamp(38px, 4.5vw, 50px); line-height: 1.13; letter-spacing: -.045em; }
.hero h1 > span { display: block; color: var(--blue); }
.title-tail { white-space: nowrap; }
.hero-art { min-width: 0; margin: 0; }
.hero-art img { width: 100%; height: auto; }
.deck { margin-top: 24px; max-width: 620px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 48px;
  padding: 11px 20px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.button:hover { background: #002e5f; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--blue); font-size: 14px; }
.section { padding-block: 52px; border-top: 1px solid var(--line); }
.section h2 { margin-bottom: 28px; color: var(--blue); font-size: 14px; letter-spacing: .09em; text-transform: uppercase; }
.lead { max-width: 68ch; font-size: 20px; line-height: 1.65; }
.note { font-size: 14px; color: var(--muted); }
.themes { list-style: none; margin: 0; padding: 0; counter-reset: theme; }
.themes li { counter-increment: theme; padding: 22px 0 22px 56px; position: relative; border-bottom: 1px solid var(--line); }
.themes li:first-child { padding-top: 0; }
.themes li:last-child { border-bottom: 0; }
.themes li::before {
  content: counter(theme, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 25px;
  color: var(--orange-ink);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 500;
}
.themes li:first-child::before { top: 3px; }
.themes h3 { margin-bottom: 8px; font-size: 20px; }
.themes p { max-width: 65ch; margin: 0; color: var(--muted); font-size: 16px; }
.pi { display: grid; grid-template-columns: 176px minmax(0, 1fr); gap: 36px; align-items: start; }
.pi img { width: 176px; height: auto; }
.pi h3 { font-size: 24px; }
.pi > div { min-width: 0; }
.role { margin: 8px 0 18px; color: var(--muted); font-size: 14px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 14px; }
.links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue); }
.papers { list-style: none; margin: 24px 0; padding: 0; }
.papers li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 6px 18px; padding: 22px 0; border-top: 1px solid var(--line); }
.papers .yr { grid-row: span 2; padding-top: 3px; color: var(--muted); font-family: 'IBM Plex Mono', monospace; font-size: 13px; }
.papers a { text-decoration: none; line-height: 1.65; }
.papers a:hover { color: var(--blue); text-decoration: underline; }
.papers .cite { color: var(--muted); font-size: 14px; }
.more { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue); font-size: 14px; }
.join { max-width: none; padding-inline: 0; background: var(--surface); }
.join a { color: var(--blue); }
.join .note { max-width: 78ch; margin-top: 24px; }
footer { --focus-color: #fff; padding-block: 40px 30px; color: #fff; background: var(--blue); font-size: 13px; }
.footer-content { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 36px; }
.footer-name { margin-bottom: 10px; font-size: 19px; font-weight: 700; }
.footer-contact { display: flex; flex-direction: column; align-items: flex-start; }
.footer-contact a { display: inline-flex; align-items: center; min-height: 44px; }
footer a { color: #fff; }
.back-top { gap: 16px; font-size: 12px; }
footer .small { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid #ffffff40; color: #c7d9eb; font-size: 12px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero h1 { font-size: clamp(34px, 5.5vw, 54px); }
  .hero-art { width: 100%; max-width: 440px; margin: 36px auto 0; }
}

@media (max-width: 900px) {
  .site-header { flex-wrap: wrap; gap: 0 16px; padding-block: 10px; }
  .site-nav { flex-basis: 100%; flex-wrap: wrap; gap: 0 24px; padding-block: 6px; }
  .nav-ready .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 44px;
    padding: 4px 10px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--blue);
    font-size: 13px;
  }
  .menu-toggle span { font-size: 17px; }
  .nav-ready .site-nav { display: none; }
  .nav-ready[data-menu-open="true"] .site-nav { display: flex; border-top: 1px solid var(--line); margin-top: 10px; }
}

@media (max-width: 760px) {
  .hero { padding-block: 54px 38px; }
  .pi { grid-template-columns: 140px minmax(0, 1fr); gap: 24px; }
  .pi img { width: 140px; }
}

@media (max-width: 540px) {
  body { font-size: 16px; }
  .site-header { column-gap: 8px; }
  .brand-group { gap: 10px; }
  .brand-logo { width: 132px; }
  .university-brand { min-height: 44px; padding-right: 10px; }
  .university-brand img { width: 78px; }
  .nav-ready .menu-toggle { gap: 6px; padding-inline: 6px; font-size: 12px; }
  .eyebrow { font-size: 12.5px; }
  .deck { font-size: 16px; }
  .section { padding-block: 40px; }
  .lead { font-size: 18px; }
  .themes li { padding-left: 38px; }
  .themes h3 { font-size: 18px; }
  .themes p { font-size: 15px; }
  .pi { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .pi img { width: 144px; }
  .papers li { grid-template-columns: minmax(0, 1fr); gap: 6px; padding-block: 20px; }
  .papers .yr { grid-row: auto; padding: 0; }
  .footer-content { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .footer-contact { flex-direction: row; flex-wrap: wrap; gap: 0 24px; }
}

@media (max-width: 380px) {
  .site-header { padding-inline: 16px; }
  .brand-group { gap: 6px; }
  .brand-logo { width: 112px; }
  .university-brand { padding-right: 6px; }
  .university-brand img { width: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  .site-header, .hero-actions, .back-top { display: none; }
  body { color: #000; font-size: 11pt; }
  .hero, .section, .wrap { max-width: none; padding: 20px 0; }
  .hero h1 { font-size: 30pt; }
  .hero { display: block; }
  .hero-art { max-width: 300px; margin: 20px auto; break-inside: avoid; }
  .join, footer { color: #000; background: #fff; }
  footer a, footer .small { color: #000; }
  .papers li, .pi { break-inside: avoid; }
}
