/* =============================================================================
   LIU LAB — three themes: editorial / clinical / specimen
   Switching is just swapping CSS variables on <body data-theme="...">
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Newsreader:ital,wght@0,300;0,400;0,500;1,400&display=swap');

/* ---------- THEMES ---------- */
:root {
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* default = editorial */
  --paper: #f5f1e8;
  --paper-deep: #ebe5d4;
  --ink: #1a1410;
  --ink-soft: #4a3f36;
  --ink-mute: #857868;
  --rule: rgba(26, 20, 16, 0.12);
  --rule-strong: rgba(26, 20, 16, 0.35);
  --accent: #7a1e1e;
  --accent-soft: #c94545;
  --surface: #ffffff;
}

[data-theme="clinical"] {
  --font-display: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --paper: #fafafa;
  --paper-deep: #f2f2f2;
  --ink: #0a0a0a;
  --ink-soft: #333333;
  --ink-mute: #777777;
  --rule: rgba(0, 0, 0, 0.1);
  --rule-strong: rgba(0, 0, 0, 0.4);
  --accent: #2b5fff;
  --accent-soft: #6c8fff;
  --surface: #ffffff;
}

[data-theme="specimen"] {
  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Inter', sans-serif;
  --paper: #0f0f0e;
  --paper-deep: #1a1a18;
  --ink: #f0f0eb;
  --ink-soft: #b8b8b0;
  --ink-mute: #6a6a62;
  --rule: rgba(240, 240, 235, 0.12);
  --rule-strong: rgba(240, 240, 235, 0.35);
  --accent: #d4ff4f;
  --accent-soft: #b8e03c;
  --surface: #17171a;
}

/* ---------- BASE ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); color: var(--ink); }
.page-shell {
  min-height: 100vh;
  background: var(--paper);
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
em, i { font-style: italic; }
body[data-theme="editorial"] em { font-family: var(--font-display); font-weight: 400; }
body[data-theme="specimen"] em { color: var(--accent); font-style: normal; }

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 800px) { .container { padding: 0 24px; } }

/* ---------- STICKY NAV ---------- */
.sticky-nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: 1360px; margin: 0 auto; padding: 18px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
@media (max-width: 800px) { .nav-inner { padding: 14px 24px; } }
.nav-brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  font-size: 22px; color: var(--accent);
  font-family: var(--font-mono);
  animation: spin-slow 12s linear infinite;
  display: inline-block;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
body[data-theme="editorial"] .brand-name { font-family: var(--font-display); font-weight: 400; font-size: 22px; }
.brand-sub { font-size: 11px; color: var(--ink-mute); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 14px; border-radius: 6px; font-size: 14px;
  color: var(--ink-soft); transition: all 0.2s;
}
.nav-links a:hover { color: var(--ink); background: var(--paper-deep); }
.nav-links a.active { color: var(--ink); font-weight: 500; }
body[data-theme="specimen"] .nav-links a.active { color: var(--accent); }
body[data-theme="clinical"] .nav-links a.active { color: var(--accent); }
@media (max-width: 700px) {
  .nav-inner { flex-wrap: wrap; gap: 10px; }
  .nav-links { gap: 0; width: 100%; flex-wrap: wrap; }
  .nav-links a { padding: 8px 8px; font-size: 13px; }
  .brand-sub { display: none; }
}

/* ---------- HERO ---------- */
.hero {
  padding: 96px 0 48px;
  max-width: 1360px; margin: 0 auto; padding-left: 48px; padding-right: 48px;
}
@media (max-width: 800px) { .hero { padding: 48px 24px 24px; } }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-mute);
  margin-bottom: 32px;
}
.eye-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.eye-sep { opacity: 0.4; }

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 120px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  text-wrap: balance;
}
body[data-theme="clinical"] .hero-headline { font-weight: 500; letter-spacing: -0.04em; }
body[data-theme="specimen"] .hero-headline {
  font-size: clamp(40px, 5.5vw, 88px);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.hero-lede {
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.5;
  max-width: 780px;
  color: var(--ink-soft);
  margin-bottom: 40px;
  text-wrap: pretty;
}
.hero-sub {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-mute);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-cta-row { display: flex; gap: 12px; margin-bottom: 72px; flex-wrap: wrap; }

/* ---------- PARTICLE HERO ---------- */
.hero-particle .hero-eyebrow { margin-bottom: 20px; }
.particle-wrap {
  position: relative;
  width: 100%;
  height: clamp(300px, 46vh, 560px);
  margin: 8px 0 32px;
  cursor: crosshair;
}
.particle-wrap canvas { display: block; width: 100%; height: 100%; }
.particle-hint {
  position: absolute;
  left: 0; bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  opacity: 0.6;
  pointer-events: none;
  display: flex; align-items: center; gap: 8px;
}
.particle-hint::before {
  content: "";
  width: 16px; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.hero-particle .hero-lede { max-width: 720px; }

.hero-diagram {
  padding: 48px 0 0;
  border-top: 1px solid var(--rule);
}

/* Hero feature variant */
.hero-feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 48px;
}
@media (max-width: 1000px) { .hero-feature-grid { grid-template-columns: 1fr; gap: 40px; } }

.image-frame {
  border: 1px solid var(--rule-strong);
  padding: 12px 12px 0;
  background: var(--surface);
  position: relative;
}
.image-frame img { aspect-ratio: 4/3; object-fit: cover; }
.image-caption {
  font-family: var(--font-mono); font-size: 11px;
  padding: 14px 4px;
  display: flex; justify-content: space-between; gap: 16px;
  color: var(--ink-mute); letter-spacing: 0.05em; text-transform: uppercase;
}
.cap-label { color: var(--accent); font-weight: 500; }

/* Hero news variant */
.hero-title-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0 0 8px;
  flex-wrap: nowrap;
}
.hero-title-row .hero-headline {
  margin: 0;
  white-space: nowrap;
}
.hero-logo {
  width: clamp(64px, 7vw, 96px);
  height: clamp(64px, 7vw, 96px);
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}
body[data-theme="editorial"] .hero-logo { background: var(--bg-card); padding: 8px; border-radius: 4px; }
body[data-theme="clinical"] .hero-logo { background: var(--bg-card); padding: 8px; border-radius: 50%; }
body[data-theme="specimen"] .hero-logo { background: var(--bg-card); padding: 8px; border: 1px solid var(--border); }
@media (max-width: 600px) {
  .hero-title-row { gap: 16px; }
  .hero-logo { width: 56px; height: 56px; }
}

.hero-news-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
  margin-bottom: 64px;
}
@media (max-width: 1000px) { .hero-news-top { grid-template-columns: 1fr; gap: 40px; } }

.hero-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--rule-strong);
  border: 1px solid var(--rule-strong);
}
.stat-cell { background: var(--paper); padding: 24px; }
.stat-k {
  font-family: var(--font-mono);
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--accent);
  margin-bottom: 8px;
}
.stat-v { font-size: 15px; line-height: 1.4; color: var(--ink-soft); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  font-size: 14px; font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper);
  cursor: pointer;
  transition: all 0.2s;
}
body[data-theme="specimen"] .btn { border-radius: 4px; font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
body[data-theme="clinical"] .btn { border-radius: 4px; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
body[data-theme="specimen"] .btn-primary { color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--paper-deep); }

/* ---------- SECTIONS ---------- */
.section {
  max-width: 1360px; margin: 0 auto;
  padding: 72px 48px;
}
@media (max-width: 800px) { .section { padding: 48px 24px; } }
.section-alt { background: var(--paper-deep); max-width: none; padding-left: 48px; padding-right: 48px; }
.section-alt > * { max-width: 1264px; margin-left: auto; margin-right: auto; }

@media (max-width: 560px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }
  .hero,
  .page-hero,
  .section {
    width: min(100%, 390px);
    margin-left: 0;
    margin-right: 0;
  }
  .section-alt {
    width: 100%;
    padding-left: 24px;
    padding-right: 24px;
  }
  .section-alt > * { max-width: 100%; }
  .hero-headline,
  .page-title,
  .hero-lede,
  .page-lede {
    max-width: 100%;
    overflow-wrap: break-word;
  }
  .particle-wrap { height: 340px; }
  .hero-particle .hero-cta-row { margin-bottom: 40px; }
  .hero-particle .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 48px; gap: 24px; flex-wrap: wrap;
}
.section-num {
  display: block;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--ink-mute); letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
}
body[data-theme="clinical"] .section-title { font-weight: 500; letter-spacing: -0.03em; }
body[data-theme="specimen"] .section-title { font-family: var(--font-mono); font-size: clamp(24px, 2.8vw, 36px); font-weight: 500; }
.section-link {
  font-size: 14px; color: var(--ink-soft);
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 2px;
}
.section-link:hover { color: var(--accent); border-color: var(--accent); }
.section-meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-mute); }

/* ---------- NEWS GRID ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 1000px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .news-grid { grid-template-columns: 1fr; } }
.news-card {
  background: var(--paper);
  padding: 28px;
  transition: background 0.2s;
  display: flex; flex-direction: column;
}
.news-card:hover { background: var(--paper-deep); }
.news-card-lg {
  grid-row: span 2; grid-column: span 1;
  background: var(--ink); color: var(--paper);
}
body[data-theme="specimen"] .news-card-lg { background: var(--accent); color: var(--paper); }
.news-card-lg:hover { background: var(--ink); }
.news-meta {
  display: flex; gap: 12px; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-mute);
  margin-bottom: 24px;
}
.news-card-lg .news-meta { color: color-mix(in srgb, var(--paper) 60%, transparent); }
.news-tag {
  padding: 3px 8px;
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  background: var(--paper-deep);
}
.news-card-lg .news-tag { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); color: var(--paper); }
.news-title {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  line-height: 1.2; margin-bottom: 12px;
  text-wrap: balance;
}
body[data-theme="clinical"] .news-title { font-weight: 500; letter-spacing: -0.01em; }
body[data-theme="specimen"] .news-title { font-family: var(--font-body); font-size: 19px; font-weight: 500; }
.news-card-lg .news-title { font-size: 30px; }
.news-body { font-size: 14px; color: var(--ink-soft); flex: 1; margin-bottom: 20px; line-height: 1.55; }
.news-card-lg .news-body { color: color-mix(in srgb, var(--paper) 75%, transparent); font-size: 15px; }
.news-link {
  font-size: 13px; color: var(--accent);
  font-weight: 500; margin-top: auto;
}
.news-card-lg .news-link { color: var(--paper); }
.news-card-lg .news-link:hover { color: var(--accent-soft); }

/* ---------- RESEARCH PREVIEW ---------- */
.research-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .research-preview { grid-template-columns: 1fr; } }
.research-tile {
  background: var(--surface);
  border: 1px solid var(--rule);
  overflow: hidden;
  transition: all 0.3s;
}
body[data-theme="specimen"] .research-tile { background: var(--paper-deep); }
.research-tile:hover { transform: translateY(-4px); border-color: var(--accent); }
.research-tile-img {
  aspect-ratio: 4/3; overflow: hidden;
  background: #fff;
}
.research-tile-img img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.research-tile-body { padding: 24px; }
.research-num {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--accent); letter-spacing: 0.12em;
  margin-bottom: 12px; display: block;
}
.research-tile-body h3 {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 400;
  line-height: 1.2; margin-bottom: 12px;
}
body[data-theme="clinical"] .research-tile-body h3 { font-weight: 500; letter-spacing: -0.01em; }
body[data-theme="specimen"] .research-tile-body h3 { font-family: var(--font-body); font-size: 20px; font-weight: 500; }
.research-tile-body p { font-size: 14px; color: var(--ink-soft); }

/* ---------- LAB AT A GLANCE ---------- */
.glance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 900px) { .glance-grid { grid-template-columns: repeat(2, 1fr); } }
.glance-big {
  background: var(--paper);
  padding: 40px 28px;
  display: flex; flex-direction: column; gap: 20px;
}
.glance-big.accent { background: var(--accent); color: var(--paper); }
body[data-theme="specimen"] .glance-big.accent { color: #0f0f0e; }
.glance-big.accent .glance-label a { color: inherit; border-bottom: 1px solid currentColor; }
.glance-num {
  font-family: var(--font-display);
  font-size: 64px; font-weight: 400;
  line-height: 1; letter-spacing: -0.03em;
}
body[data-theme="clinical"] .glance-num { font-weight: 500; }
body[data-theme="specimen"] .glance-num { font-family: var(--font-mono); font-size: 56px; }
.glance-label { font-size: 14px; line-height: 1.5; color: var(--ink-soft); }
.glance-big.accent .glance-label { color: inherit; opacity: 0.9; }

/* ---------- PAGE HERO (non-home) ---------- */
.page-hero {
  max-width: 1360px; margin: 0 auto;
  padding: 96px 48px 48px;
}
@media (max-width: 800px) { .page-hero { padding: 48px 24px 24px; } }
.page-hero--with-aside {
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  gap: 32px;
}
.page-hero--with-aside .page-hero-main {
  flex: 0 0 64%;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.page-hero--with-aside .page-hero-main .page-lede { margin-bottom: 0; }
.page-hero-aside {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
}
.page-hero-logo {
  height: 100%;
  max-height: 232px;
  width: auto;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
  align-self: stretch;
}
.aside-wordmark {
  flex: 1 1 0;
  min-width: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 4.4vw, 72px);
  font-weight: 400;
  line-height: 0.92;
  color: var(--ink);
}
[data-theme="clinical"] .aside-wordmark { font-weight: 500; }
[data-theme="specimen"] .aside-wordmark {
  font-family: var(--font-mono);
  font-size: clamp(34px, 3.8vw, 58px);
  font-weight: 500;
}
@media (max-width: 900px) {
  .page-hero--with-aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
  .page-hero--with-aside .page-hero-main { flex: 1 1 auto; }
  .page-hero-aside { order: -1; }
  .page-hero-logo {
    height: 120px;
    max-height: none;
    align-self: auto;
  }
}
.page-kicker {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); text-transform: uppercase;
  letter-spacing: 0.12em; display: block; margin-bottom: 20px;
}
.page-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 96px);
  font-weight: 400; line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  max-width: 1100px;
}
body[data-theme="clinical"] .page-title { font-weight: 500; letter-spacing: -0.04em; }
body[data-theme="specimen"] .page-title { font-family: var(--font-mono); font-size: clamp(36px, 5vw, 72px); font-weight: 500; }
.page-lede { font-size: 20px; line-height: 1.5; color: var(--ink-soft); max-width: 780px; }

/* ---------- RESEARCH PAGE LIST ---------- */
.research-list {
  border-top: 1px solid var(--rule-strong);
}
.research-row {
  border-bottom: 1px solid var(--rule-strong);
  cursor: pointer;
  transition: background 0.2s;
}
.research-row:hover { background: var(--paper-deep); }
.research-row.open { background: var(--paper-deep); }
.research-row-bar {
  display: grid;
  grid-template-columns: 60px 1fr auto auto;
  gap: 32px;
  padding: 28px 16px;
  align-items: center;
}
@media (max-width: 700px) {
  .research-row-bar { grid-template-columns: 40px 1fr auto; gap: 16px; padding: 20px 8px; }
  .research-row-stat { display: none; }
}
.research-row-num {
  font-family: var(--font-mono); font-size: 14px; color: var(--ink-mute);
}
.research-row-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 400; letter-spacing: -0.015em;
  line-height: 1.1;
}
body[data-theme="clinical"] .research-row-title { font-weight: 500; letter-spacing: -0.03em; }
body[data-theme="specimen"] .research-row-title { font-family: var(--font-body); font-size: clamp(20px, 2.4vw, 28px); font-weight: 500; }
.research-row-stat {
  display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
  text-align: right;
}
.stat-small-k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); }
.stat-small-v { font-family: var(--font-display); font-size: 24px; font-weight: 400; color: var(--accent); }
body[data-theme="specimen"] .stat-small-v { font-family: var(--font-mono); font-size: 20px; }
.research-row-toggle {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--rule-strong); border-radius: 50%;
  font-size: 20px; color: var(--ink-soft);
  transition: all 0.2s;
}
.research-row.open .research-row-toggle { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.research-row-body {
  display: grid; grid-template-columns: minmax(0, 320px) 1fr; gap: 40px;
  padding: 0 16px 36px;
  align-items: start;
}
@media (max-width: 900px) { .research-row-body { grid-template-columns: 1fr; gap: 24px; } }
.research-row-img { background: var(--surface); border: 1px solid var(--rule); padding: 6px; max-width: 320px; }
.research-row-img img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: #fff; }
.research-row-copy { padding-top: 4px; }
.research-row-copy p { font-size: 15px; line-height: 1.55; margin-bottom: 20px; color: var(--ink-soft); }

/* ---------- TEAM ---------- */
.pi-feature {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: center;
  padding: 24px 0;
}
@media (max-width: 900px) { .pi-feature { grid-template-columns: 1fr; gap: 24px; } }
.pi-portrait {
  aspect-ratio: 3/4;
  background: var(--paper-deep);
  border: 1px solid var(--rule-strong);
  overflow: hidden;
  max-width: 220px;
}
.pi-portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%); }
.pi-role { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; }
.pi-name {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 52px);
  font-weight: 400; letter-spacing: -0.02em;
  line-height: 1; margin: 10px 0 6px;
}
body[data-theme="clinical"] .pi-name { font-weight: 500; letter-spacing: -0.04em; }
body[data-theme="specimen"] .pi-name { font-family: var(--font-mono); font-size: clamp(28px, 3vw, 40px); font-weight: 500; }
.pi-sub { font-size: 16px; color: var(--ink-mute); margin-bottom: 16px; }
.pi-bio { font-size: 15px; line-height: 1.55; color: var(--ink-soft); margin-bottom: 16px; max-width: 600px; }
.pi-links { display: flex; gap: 24px; flex-wrap: wrap; }
.pi-links a {
  font-size: 14px; color: var(--accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
@media (max-width: 900px) { .people-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .people-grid { grid-template-columns: 1fr; } }
.person { }
.person-img {
  aspect-ratio: 3/4;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  overflow: hidden;
  margin-bottom: 14px;
  max-width: 220px;
  transition: all 0.3s;
}
.person-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(40%); transition: filter 0.3s; }
.person:hover .person-img img { filter: grayscale(0%); }
.person:hover .person-img { border-color: var(--accent); }
.person-meta h4 {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  line-height: 1.1; margin-bottom: 4px;
}
body[data-theme="clinical"] .person-meta h4 { font-weight: 500; letter-spacing: -0.02em; }
body[data-theme="specimen"] .person-meta h4 { font-family: var(--font-body); font-size: 18px; font-weight: 500; }
.person-meta h4 a {
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.person-meta h4 a:hover {
  color: var(--accent);
  border-color: currentColor;
}
.person-role { font-size: 14px; color: var(--accent); margin-bottom: 4px; }
.person-sub { font-size: 13px; color: var(--ink-mute); }

.alumni-list { border-top: 1px solid var(--rule-strong); }
.alumni-row {
  display: flex; gap: 16px; align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 17px;
}
.alumni-name { font-weight: 500; min-width: 180px; }
.alumni-dot { color: var(--ink-mute); }
.alumni-role { color: var(--ink-soft); }

/* ---------- LAB FUN ---------- */
.fun-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .fun-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .fun-grid { grid-template-columns: 1fr; } }
.fun-tile { margin: 0; }
.fun-tile image-slot {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--rule-strong);
  background: var(--paper-deep);
}
.fun-tile figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- LAB RESOURCES ---------- */
.resource-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-strong);
}
.resource-tab {
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.resource-tab:hover {
  color: var(--ink);
  background: var(--paper);
}
.resource-tab.active {
  color: var(--paper);
  background: var(--accent);
  border-color: var(--accent);
}
[data-theme="specimen"] .resource-tab.active { color: #0f0f0e; }
.resource-list { border-top: 1px solid var(--rule-strong); }
.resource-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
  padding: 24px 8px;
  border-bottom: 1px solid var(--rule);
  transition: background 0.2s, padding-left 0.2s;
}
.resource-row:hover { background: var(--paper); padding-left: 16px; }
.resource-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.resource-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
}
[data-theme="clinical"] .resource-title { font-weight: 500; }
[data-theme="specimen"] .resource-title {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
}
.resource-desc { font-size: 14px; color: var(--ink-soft); }
.resource-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  padding: 4px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
}
[data-theme="specimen"] .resource-tag { border-radius: 4px; }
.resource-arrow {
  font-size: 18px;
  color: var(--ink-mute);
  transition: color 0.2s;
}
.resource-row:hover .resource-arrow { color: var(--accent); }
@media (max-width: 640px) {
  .resource-row { grid-template-columns: 1fr auto; }
  .resource-tag { display: none; }
}
.storage-map-panel {
  border: 1px solid var(--rule-strong);
  background: var(--paper);
}
.storage-map-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
}
.storage-map-kicker {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.storage-map-head h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.15;
}
[data-theme="specimen"] .storage-map-head h3 {
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: 500;
}
.storage-map-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}
.storage-map-frame {
  display: block;
  width: 100%;
  height: min(78vh, 780px);
  min-height: 520px;
  border: 0;
  background: #fff;
}
@media (max-width: 640px) {
  .resource-tab { flex: 1 1 100%; }
  .storage-map-head {
    align-items: flex-start;
    padding: 16px;
  }
  .storage-map-frame {
    height: 640px;
    min-height: 640px;
  }
}

/* ---------- LOCK CARD ---------- */
.lock-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
  align-items: start;
  max-width: 620px;
  padding: 32px;
  border: 1px solid var(--rule-strong);
  background: var(--surface);
}
[data-theme="specimen"] .lock-card { background: var(--paper); }
.lock-icon {
  grid-row: span 2;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--paper-deep);
  color: var(--accent);
}
[data-theme="specimen"] .lock-icon { border-radius: 6px; }
.lock-copy h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 6px;
}
[data-theme="clinical"] .lock-copy h3 { font-weight: 500; }
[data-theme="specimen"] .lock-copy h3 {
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: 500;
}
.lock-copy p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.lock-row {
  grid-column: 2;
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.lock-input {
  flex: 1;
  min-width: 180px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}
[data-theme="specimen"] .lock-input { border-radius: 4px; }
.lock-input:focus { border-color: var(--accent); }
.lock-input.error { border-color: var(--accent-soft); }
.lock-error {
  grid-column: 2;
  margin-top: 10px;
  font-size: 13px;
  color: var(--accent-soft);
}

/* ---------- PUBLICATIONS ---------- */
.pub-controls {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-top: 32px; flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid var(--rule);
}
.pub-filter-group { display: flex; gap: 4px; }
.pub-filter {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-size: 13px; font-family: inherit;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s;
}
body[data-theme="specimen"] .pub-filter { border-radius: 4px; font-family: var(--font-mono); text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; }
body[data-theme="clinical"] .pub-filter { border-radius: 4px; }
.pub-filter.active, .pub-filter:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.pub-year-group { margin-bottom: 64px; }
.pub-year-header {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 24px; align-items: baseline;
  margin-bottom: 32px;
}
.pub-year {
  font-family: var(--font-display);
  font-size: 64px; font-weight: 400;
  letter-spacing: -0.02em; line-height: 1;
  color: var(--accent);
}
body[data-theme="specimen"] .pub-year { font-family: var(--font-mono); font-size: 48px; font-weight: 500; }
body[data-theme="clinical"] .pub-year { font-weight: 500; }
.pub-year-count { font-family: var(--font-mono); font-size: 12px; color: var(--ink-mute); letter-spacing: 0.08em; text-transform: uppercase; }
.pub-year-rule { height: 1px; background: var(--rule-strong); }

.pub-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.pub-item.featured { padding-left: 20px; border-left: 2px solid var(--accent); padding-top: 24px; padding-bottom: 24px; }
.pub-badge {
  display: inline-block;
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 2px 8px; margin-bottom: 8px;
  background: var(--accent); color: var(--paper);
  border-radius: 2px;
}
body[data-theme="specimen"] .pub-badge { color: #0f0f0e; }
.pub-title {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400;
  line-height: 1.3; margin-bottom: 10px;
  text-wrap: balance;
}
body[data-theme="clinical"] .pub-title { font-weight: 500; letter-spacing: -0.01em; font-size: 20px; }
body[data-theme="specimen"] .pub-title { font-family: var(--font-body); font-size: 18px; font-weight: 500; }
.pub-authors { font-size: 14px; color: var(--ink-soft); margin-bottom: 4px; }
.pub-authors b { color: var(--ink); }
.pub-venue { font-size: 13px; color: var(--ink-mute); }
.pub-tags { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.pub-tag {
  font-family: var(--font-mono); font-size: 10px;
  padding: 3px 8px; border: 1px solid var(--rule);
  border-radius: 3px; color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-col {
  background: var(--paper);
  padding: 40px 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.col-kicker { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }
.contact-col h3 {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 400;
  line-height: 1.15; letter-spacing: -0.015em;
}
body[data-theme="clinical"] .contact-col h3 { font-weight: 500; letter-spacing: -0.02em; }
body[data-theme="specimen"] .contact-col h3 { font-family: var(--font-mono); font-size: 22px; font-weight: 500; }
.contact-col p { font-size: 15px; color: var(--ink-soft); line-height: 1.55; }
.contact-col .btn { margin-top: auto; align-self: flex-start; }

.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--rule-strong);
}
@media (max-width: 900px) { .contact-info { grid-template-columns: 1fr; } }
.footer-label {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-mute); margin-bottom: 12px;
}
.big-line {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 400;
  margin-bottom: 12px; color: var(--ink);
}
body[data-theme="specimen"] .big-line { font-family: var(--font-mono); font-size: 18px; }
.contact-info-col p { font-size: 14px; color: var(--ink-soft); line-height: 1.5; }

.map-placeholder {
  border: 1px solid var(--rule-strong); overflow: hidden; background: var(--paper-deep);
}
body[data-theme="specimen"] .map-placeholder iframe { filter: invert(0.92) hue-rotate(180deg) saturate(0.8); }
.map-link {
  display: block; padding: 10px 14px;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  background: var(--paper);
}
.map-link:hover { color: var(--accent); }

/* ---------- FOOTER ---------- */
.site-footer {
  margin-top: 96px;
  padding: 64px 48px 32px;
  border-top: 1px solid var(--rule-strong);
  background: var(--paper-deep);
}
.footer-grid {
  max-width: 1264px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer-brand {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 400;
  letter-spacing: -0.02em; margin-bottom: 8px;
}
body[data-theme="specimen"] .footer-brand { font-family: var(--font-mono); font-size: 28px; }
.footer-sub { font-size: 13px; color: var(--ink-mute); }
.site-footer p { font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; }
.site-footer a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1264px; margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-mute); letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- TWEAKS PANEL ---------- */
.tweaks-panel {
  position: fixed; right: 24px; bottom: 24px;
  width: 280px; z-index: 100;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  font-size: 13px;
}
body[data-theme="specimen"] .tweaks-panel { background: var(--paper-deep); }
.tweaks-header {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-mute);
  padding-bottom: 12px; margin-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.tweak-group { margin-bottom: 16px; }
.tweak-group:last-child { margin-bottom: 0; }
.tweak-label {
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-mute); margin-bottom: 8px; display: block;
}
.tweak-pills { display: flex; gap: 4px; flex-wrap: wrap; }
.tweak-pill {
  flex: 1;
  padding: 8px 10px;
  font-family: inherit; font-size: 12px;
  background: var(--paper); color: var(--ink-soft);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.tweak-pill:hover { background: var(--paper-deep); }
.tweak-pill.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
body[data-theme="specimen"] .tweak-pill.active { background: var(--accent); color: #0f0f0e; border-color: var(--accent); }
