:root {
  --ink: #07080a;
  --graphite: #101216;
  --graphite-2: #171a20;
  --paper: #f3f0e8;
  --paper-2: #e5e0d5;
  --white: #ffffff;
  --silver: #d8dde2;
  --muted: #98a3ad;
  --muted-dark: #5a646e;
  --cyan: #57e6ef;
  --cyan-soft: rgba(87, 230, 239, 0.16);
  --gold: #c7a45f;
  --red: #a41732;
  --line-dark: rgba(255, 255, 255, 0.13);
  --line-light: rgba(7, 8, 10, 0.13);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.33);
  --max: 1200px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--white);
  background: var(--ink);
  font-family: Inter, "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body[data-error="true"]::before {
  content: "Tian Lab data did not load. Start the local server with npm run dev, then open http://localhost:4173/";
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--white);
  background: var(--ink);
  text-align: center;
}

img,
canvas,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
select {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(7, 8, 10, 0.38);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header[data-elevated="true"],
.site-header[data-open="true"] {
  background: rgba(7, 8, 10, 0.9);
  border-color: rgba(255, 255, 255, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 216px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--cyan);
  font-weight: 900;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.28), 0 0 28px rgba(87, 230, 239, 0.22);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 15px;
}

.brand-copy span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  font-weight: 600;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2.2vw, 30px);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-tools {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.language-switch,
.language-option,
.header-action {
  min-height: 38px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  padding: 0;
}

.language-option {
  min-width: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 17px;
  line-height: 1;
}

.language-option[data-active="true"] {
  background: rgba(87, 230, 239, 0.16);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.header-action {
  min-width: 0;
  padding: 0 11px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: calc(100svh - 38px);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-height) + 46px) clamp(20px, 6vw, 82px) 44px;
  isolation: isolate;
}

.hero-photo,
#rhythm-canvas,
.hero-grid,
.hero-mask {
  position: absolute;
  inset: 0;
}

.hero-photo {
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 56% 45%;
  filter: saturate(0.98) contrast(1.12);
}

#rhythm-canvas {
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.72;
  mix-blend-mode: screen;
}

.hero-grid {
  z-index: -3;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(90deg, black 0%, transparent 72%);
}

.hero-mask {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 8, 10, 0.96) 0%, rgba(7, 8, 10, 0.78) 42%, rgba(7, 8, 10, 0.22) 76%),
    linear-gradient(0deg, rgba(7, 8, 10, 0.92) 0%, rgba(7, 8, 10, 0.20) 52%, rgba(7, 8, 10, 0.08) 100%);
}

.hero-content {
  width: min(820px, 100%);
  padding-bottom: 30px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(70px, 12vw, 162px);
  line-height: 0.9;
  font-weight: 900;
}

.hero-subtitle {
  margin: 18px 0 0;
  color: var(--paper);
  font-size: clamp(26px, 4.2vw, 52px);
  line-height: 1.04;
  font-weight: 800;
}

.hero-statement {
  max-width: 720px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.48;
  font-weight: 500;
}

.hero-labline {
  max-width: 780px;
  margin: 18px 0 0;
  padding-left: 16px;
  color: rgba(255, 255, 255, 0.66);
  border-left: 3px solid var(--gold);
  font-size: 15px;
  line-height: 1.62;
  font-weight: 700;
}

.hero-actions,
.join-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button,
.contact-chip,
.text-link,
.cover-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 900;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible,
.cover-link:hover,
.cover-link:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: var(--cyan);
}

.button-secondary,
.button-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.button-gold {
  color: var(--ink);
  background: var(--gold);
}

.hero-panel {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 44px;
  width: min(370px, 32vw);
}

.tempo-meter {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-bottom: 10px;
}

.tempo-meter span {
  height: 4px;
  background: rgba(255, 255, 255, 0.16);
  animation: pulse 2.4s ease-in-out infinite;
}

.tempo-meter span:nth-child(2) {
  animation-delay: 0.25s;
}

.tempo-meter span:nth-child(3) {
  animation-delay: 0.5s;
}

.tempo-meter span:nth-child(4) {
  animation-delay: 0.75s;
  background: var(--gold);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-metrics div {
  min-height: 86px;
  padding: 17px;
  background: rgba(7, 8, 10, 0.62);
}

.hero-metrics dt {
  color: var(--white);
  font-size: 26px;
  line-height: 1;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 9px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 700;
}

.signal-strip {
  display: flex;
  gap: 1px;
  padding: 1px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: var(--ink);
}

.signal-strip span {
  flex: 1;
  min-height: 76px;
  display: grid;
  place-items: center;
  padding: 14px;
  color: rgba(255, 255, 255, 0.78);
  background: #101217;
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.section {
  padding: clamp(78px, 10vw, 132px) clamp(20px, 5vw, 70px);
  scroll-margin-top: 96px;
}

.section-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.section-graphite,
.section-dark {
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.028) 0 1px, transparent 1px 120px),
    var(--ink);
  color: var(--white);
}

.research-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.research-video-bg,
.research-video-mask {
  position: absolute;
  inset: 0;
}

.research-video-bg {
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  filter: saturate(1.12) contrast(1.08) brightness(0.78);
}

.research-video-mask {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 8, 10, 0.95) 0%, rgba(7, 8, 10, 0.78) 46%, rgba(7, 8, 10, 0.7) 100%),
    linear-gradient(180deg, rgba(7, 8, 10, 0.56) 0%, rgba(7, 8, 10, 0.92) 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 120px);
}

.research-section .section-inner {
  position: relative;
  z-index: 1;
}

.section-graphite {
  background:
    linear-gradient(180deg, #101216 0%, #0b0d10 100%);
}

.section-paper {
  background: var(--paper);
  color: var(--ink);
}

.section-cover {
  background:
    linear-gradient(180deg, #e9e7df 0%, #d7dce2 100%);
  color: var(--ink);
}

.section h2 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.02;
  font-weight: 900;
}

.section-heading {
  display: grid;
  gap: 16px;
  max-width: 880px;
  margin-bottom: 42px;
}

.section-heading.compact {
  max-width: 760px;
}

.section-heading p,
.intro-copy,
.collab-copy,
.join-copy {
  color: inherit;
  font-size: 18px;
  line-height: 1.72;
}

.section-dark .section-heading p,
.section-graphite .intro-copy,
.section-collaboration .collab-copy {
  color: rgba(255, 255, 255, 0.68);
}

.intro-layout,
.join-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(38px, 7vw, 96px);
  align-items: start;
}

.intro-copy p,
.join-copy p,
.collab-copy p {
  margin: 0;
}

.news-rack {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.news-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.045);
}

.news-item.with-media {
  grid-template-columns: minmax(132px, 0.36fr) 70px minmax(0, 1fr);
  align-items: start;
}

.news-media {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.88);
}

.news-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.news-item span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.news-copy {
  display: grid;
  gap: 8px;
}

.news-title,
.news-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}

.news-body {
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.news-link {
  width: fit-content;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.track-card {
  position: relative;
  min-height: 386px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(7, 8, 10, 0.20) 0%, rgba(7, 8, 10, 0.58) 44%, rgba(7, 8, 10, 0.95) 100%),
    var(--track-image);
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.track-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(120deg, var(--cyan-soft), transparent 42%),
    radial-gradient(circle at 78% 18%, rgba(199, 164, 95, 0.18), transparent 30%);
  mix-blend-mode: screen;
}

.track-card:nth-child(1),
.track-card:nth-child(2) {
  grid-column: span 3;
}

.track-card:nth-child(3),
.track-card:nth-child(4),
.track-card:nth-child(5) {
  grid-column: span 2;
}

.track-index {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.track-index i {
  flex: 1;
  height: 1px;
  background: rgba(87, 230, 239, 0.34);
}

.track-card h3 {
  margin: auto 0 14px;
  color: var(--white);
  font-size: 25px;
  line-height: 1.12;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.48);
}

.track-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.62;
}

.track-card ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.track-card li {
  position: relative;
  padding-left: 16px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  line-height: 1.42;
  font-weight: 700;
}

.track-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--gold);
}

.research-map {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 0.66fr);
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.research-map-heading,
.research-map li {
  background: rgba(255, 255, 255, 0.045);
}

.research-map-heading {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 24px;
}

.research-map-heading span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.research-map-heading strong {
  max-width: 360px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 24px;
  line-height: 1.16;
}

.research-map ol {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-dark);
}

.research-map li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
  padding: 19px 22px;
}

.research-map li > span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.research-map li strong {
  display: block;
  color: var(--white);
  font-size: 17px;
  line-height: 1.25;
}

.research-map li p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  line-height: 1.55;
}

.publications-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(420px, 1.22fr);
  gap: clamp(38px, 7vw, 88px);
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 104px;
  margin-bottom: 0;
}

.section-paper .section-heading p {
  color: var(--muted-dark);
}

.text-link {
  width: fit-content;
  color: var(--ink);
  border-color: var(--line-light);
  background: rgba(7, 8, 10, 0.04);
}

.publication-list {
  border-top: 1px solid var(--line-light);
}

.publication-item,
.recent-publication-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 26px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-light);
}

.pub-year {
  color: var(--red);
  font-size: 15px;
  font-weight: 900;
}

.publication-item h3,
.recent-publication-item h3 {
  margin: 0 0 10px;
  font-size: clamp(21px, 2vw, 28px);
  line-height: 1.18;
}

.pub-authors,
.pub-journal,
.publication-item p,
.recent-publication-item p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 14px;
  line-height: 1.58;
}

.pub-journal {
  margin: 5px 0 12px;
  color: var(--red);
  font-weight: 900;
  text-transform: uppercase;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.pub-links a,
.pub-links span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 11px;
  color: var(--ink);
  border: 1px solid var(--line-light);
  font-size: 12px;
  font-weight: 900;
}

.pub-links a {
  background: var(--cyan);
  border-color: rgba(7, 8, 10, 0.08);
}

.pub-links svg,
.cover-link svg {
  width: 13px;
  height: 13px;
}

.recent-publications {
  margin-top: 52px;
  padding-top: 34px;
  border-top: 3px solid var(--ink);
}

.recent-publications-heading {
  max-width: 720px;
  margin-bottom: 10px;
}

.recent-publications-heading h3 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.05;
}

.recent-publications-heading p:not(.section-kicker) {
  margin: 0;
  color: var(--muted-dark);
  font-size: 15px;
  line-height: 1.62;
}

.recent-publication-list {
  border-top: 1px solid var(--line-light);
}

.recent-publication-item h3 {
  font-size: clamp(19px, 1.7vw, 24px);
}

.recent-publication-item.with-media {
  grid-template-columns: minmax(170px, 0.42fr) 72px minmax(0, 1fr);
  align-items: start;
}

.recent-publication-media {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(7, 8, 10, 0.14);
  background: rgba(255, 255, 255, 0.72);
}

.recent-publication-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cover-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  border: 1px solid rgba(7, 8, 10, 0.14);
  background: rgba(7, 8, 10, 0.15);
}

.cover-card {
  display: grid;
  grid-template-rows: auto 1fr;
  color: var(--white);
  background: var(--graphite);
}

.cover-art {
  margin: 0;
  background: #0a0c10;
  overflow: hidden;
}

.cover-art img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.cover-card[data-journal="Advanced Materials"] .cover-art img {
  transform: scale(1.045);
  transform-origin: 48% 50%;
}

.cover-copy {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 23px;
}

.cover-meta {
  margin: 0;
  color: var(--cyan);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 900;
  text-transform: uppercase;
}

.cover-copy h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.18;
}

.cover-copy p:not(.cover-meta) {
  margin: 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 15px;
  line-height: 1.6;
}

.cover-link {
  width: fit-content;
  min-height: 38px;
  padding: 0 13px;
  color: var(--ink);
  background: var(--cyan);
  font-size: 13px;
}

.section-collaboration {
  background: #11141a;
  color: var(--white);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.collab-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(330px, 1fr) minmax(300px, 0.92fr);
  gap: clamp(28px, 5vw, 62px);
  align-items: center;
}

.collab-photo {
  margin: 0;
}

.collab-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: 62% 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow);
}

.collab-photo figcaption {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  line-height: 1.45;
}

.venture-mark {
  display: grid;
  gap: 12px;
  margin-top: 22px;
  margin-bottom: 22px;
  padding: 14px;
  color: var(--ink);
  background: var(--paper);
}

.venture-logo-frame {
  width: min(360px, 100%);
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid rgba(7, 8, 10, 0.1);
}

.venture-logo-frame img {
  width: 100%;
  height: auto;
}

.venture-mark strong,
.venture-mark span {
  display: block;
}

.venture-mark span {
  margin-top: 4px;
  color: var(--muted-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.pi-profile {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(260px, 0.85fr);
  align-items: start;
  gap: 1px;
  margin-bottom: 34px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.pi-profile-card,
.profile-facts,
.profile-links {
  background: #101217;
}

.pi-profile-card {
  display: grid;
  grid-template-columns: 168px 1fr;
  align-items: start;
  gap: 24px;
  padding: 30px;
}

.pi-profile-photo {
  width: 100%;
  margin: 0;
  background: #0a0c10;
  overflow: hidden;
}

.pi-profile-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 38%;
  filter: saturate(0.98) contrast(1.04);
}

.pi-profile-copy {
  min-width: 0;
}

.pi-profile-card h3 {
  margin: 18px 0 14px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.05;
}

.pi-profile-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  line-height: 1.72;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.profile-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  color: var(--ink);
  background: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.profile-facts {
  display: grid;
  gap: 1px;
  background: var(--line-dark);
}

.profile-facts article {
  padding: 22px;
  background: #14171d;
}

.profile-facts span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.profile-facts strong {
  display: block;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  line-height: 1.48;
}

.profile-links {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px;
}

.profile-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 12px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 13px;
  font-weight: 900;
}

.profile-links a:hover,
.profile-links a:focus-visible {
  color: var(--ink);
  background: var(--gold);
}

.profile-links svg {
  width: 13px;
  height: 13px;
}

#people {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink);
}

#people .section-inner {
  position: relative;
  z-index: 2;
}

.people-video-bg,
.people-video-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: min(620px, 66svh);
}

.people-video-bg {
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 63% 34%;
  opacity: 0.74;
  filter: saturate(1.05) contrast(1.08) brightness(0.68);
  transform: scale(1.18);
  transform-origin: 63% 34%;
}

.people-video-mask {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(7, 8, 10, 0.24) 0%, rgba(7, 8, 10, 0.74) 58%, rgba(7, 8, 10, 1) 100%),
    linear-gradient(90deg, rgba(7, 8, 10, 0.94) 0%, rgba(7, 8, 10, 0.76) 38%, rgba(7, 8, 10, 0.46) 70%, rgba(7, 8, 10, 0.68) 100%);
}

#people > .section-inner > .section-heading {
  min-height: min(520px, 58svh);
  display: grid;
  align-content: center;
  margin-bottom: clamp(42px, 7vw, 86px);
}

.people-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(260px, 1.25fr);
  gap: 1px;
  margin-bottom: 34px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.people-summary article {
  min-height: 104px;
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 20px;
  background: rgba(16, 18, 23, 0.82);
  backdrop-filter: blur(12px);
}

.people-summary span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.people-summary strong {
  color: var(--white);
  font-size: clamp(27px, 3vw, 42px);
  line-height: 1;
  font-weight: 900;
}

.people-summary .people-spectrum strong {
  color: var(--cyan);
  font-size: 18px;
  line-height: 1.35;
}

.admin-contact {
  margin-bottom: 34px;
}

.admin-contact-card {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.admin-contact-photo,
.admin-contact-copy {
  background: rgba(16, 18, 23, 0.9);
}

.admin-contact-photo {
  margin: 0;
  overflow: hidden;
}

.admin-contact-photo img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.admin-contact-copy {
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 26px 28px;
}

.admin-contact-copy .section-kicker {
  margin: 0;
}

.admin-contact-copy h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.05;
}

.admin-role {
  margin: 0;
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
}

.admin-contact-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.65;
}

.admin-affiliation {
  color: rgba(255, 255, 255, 0.52) !important;
  font-size: 13px !important;
}

.people-grid {
  display: grid;
  gap: 38px;
}

.people-section {
  display: grid;
  gap: 16px;
}

.people-section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(280px, 0.58fr);
  gap: 24px;
  align-items: end;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
}

.people-section-heading div {
  display: flex;
  align-items: baseline;
  gap: 13px;
}

.people-section-heading span {
  color: var(--cyan);
  font-size: 44px;
  line-height: 0.9;
  font-weight: 900;
}

.people-section-heading h3 {
  margin: 0;
  font-size: clamp(27px, 3vw, 42px);
  line-height: 1;
}

.people-section-heading p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 1.62;
}

.people-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.person-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100%;
  padding: 0;
  background: #101217;
  overflow: hidden;
  transition: transform 180ms ease, background 180ms ease;
}

.person-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  opacity: 0.78;
}

.person-card:hover,
.person-card:focus-within {
  z-index: 2;
  transform: translateY(-4px);
  background: #151922;
}

.person-photo {
  margin: 0;
  background: #0a0c10;
  overflow: hidden;
  position: relative;
}

.person-photo img,
.person-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
}

.person-photo img {
  object-fit: cover;
  filter: saturate(0.96) contrast(1.04);
  transition: transform 260ms ease, filter 260ms ease;
}

.person-card:hover .person-photo img {
  transform: scale(1.035);
  filter: saturate(1.05) contrast(1.08);
}

.person-placeholder {
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.82);
  background:
    linear-gradient(135deg, rgba(87, 230, 239, 0.16), transparent 42%),
    #151922;
  font-size: 54px;
  font-weight: 900;
}

.person-copy {
  display: grid;
  align-content: start;
  gap: 0;
  padding: 22px;
}

.role {
  display: inline-flex;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.person-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 10px;
  font-size: 22px;
  line-height: 1.18;
}

.person-card h3 span {
  min-width: 0;
}

.discipline-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  border: 1px solid currentColor;
  background: rgba(7, 8, 10, 0.78);
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.28),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
}

.discipline-badge svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.member-tier {
  position: absolute;
  top: 14px;
  left: 14px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.26);
  font-size: 12px;
  line-height: 1;
  font-weight: 900;
  text-transform: uppercase;
}

.member-tier-postdoc {
  background: var(--gold);
}

.member-tier-phd {
  background: var(--cyan);
}

.member-tier-master {
  background: #d9e2ef;
}

.member-tier-undergrad {
  background: #c8f0c0;
}

.member-tier-staff {
  background: #f6d6e2;
}

.discipline-clinical {
  color: #f0d38a;
}

.discipline-chemistry {
  color: #7fe5ff;
}

.discipline-pharmacy {
  color: #8fd4ff;
}

.discipline-imaging {
  color: #7ceadf;
}

.discipline-engineering {
  color: #ffb37c;
}

.discipline-computing {
  color: #c59cff;
}

.discipline-biology {
  color: #9dde7b;
}

.person-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
  line-height: 1.65;
}

.person-affiliation {
  margin-bottom: 10px !important;
  color: rgba(255, 255, 255, 0.52) !important;
  font-size: 13px !important;
  line-height: 1.45 !important;
}

.person-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.person-meta span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.person-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.people-section-postdocs .person-card::before {
  background: linear-gradient(90deg, var(--gold), var(--cyan));
}

.people-section-students .person-card::before {
  background: linear-gradient(90deg, var(--cyan), rgba(255, 255, 255, 0.72));
}

.people-section-staff .person-card::before {
  background: linear-gradient(90deg, #f0d38a, var(--gold));
}

.section-join {
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(243, 240, 232, 0.97) 0%, rgba(243, 240, 232, 0.88) 48%, rgba(243, 240, 232, 0.34) 100%),
    url("./assets/images/xiaohe-tian-conference-talk.jpg");
  background-size: cover;
  background-position: 52% 42%;
}

.section-join .section-kicker {
  color: var(--red);
}

.join-copy p {
  color: rgba(7, 8, 10, 0.74);
  font-weight: 500;
}

.section-join .button-outline,
.contact-chip {
  color: var(--ink);
  border-color: var(--line-light);
  background: rgba(255, 255, 255, 0.42);
}

.contact-chip {
  cursor: default;
}

.site-footer {
  padding: 34px clamp(20px, 5vw, 70px);
  border-top: 1px solid var(--line-dark);
  background: var(--ink);
}

.footer-inner {
  width: min(var(--max), 100%);
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 28px;
  margin: 0 auto;
}

.footer-inner p,
.footer-inner span,
.footer-inner a {
  display: block;
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  line-height: 1.45;
}

.footer-inner a:hover {
  color: var(--cyan);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto auto;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
    justify-content: start;
    overflow-x: auto;
    padding: 10px 0 0;
  }

  .site-header[data-open="true"] .site-nav {
    display: flex;
  }

  .hero {
    padding-top: 134px;
  }

  .hero-panel {
    width: min(330px, 36vw);
  }

  .intro-layout,
  .join-layout,
  .publications-layout,
  .collab-layout {
    grid-template-columns: 1fr;
  }

  .sticky-heading {
    position: static;
  }

  .track-grid,
  .people-cards,
  .pi-profile,
  .research-map,
  .admin-contact-card,
  .people-summary {
    grid-template-columns: 1fr 1fr;
  }

  .people-section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .track-card:nth-child(n) {
    grid-column: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .brand {
    min-width: 0;
  }

  .brand-copy span,
  .header-action {
    display: none;
  }

  .header-tools {
    gap: 8px;
  }

  .language-option {
    min-width: 32px;
  }

  .hero {
    min-height: calc(100svh - 24px);
    display: block;
    padding: 118px 20px 34px;
  }

  .hero-photo {
    object-position: 58% 26%;
  }

  .hero-mask {
    background:
      linear-gradient(90deg, rgba(7, 8, 10, 0.94) 0%, rgba(7, 8, 10, 0.78) 62%, rgba(7, 8, 10, 0.42) 100%),
      linear-gradient(0deg, rgba(7, 8, 10, 0.94) 0%, rgba(7, 8, 10, 0.18) 100%);
  }

  .hero-content {
    padding-bottom: 0;
  }

  .hero h1 {
    font-size: clamp(64px, 22vw, 92px);
  }

  .hero-subtitle {
    font-size: 30px;
  }

  .hero-statement {
    font-size: 17px;
  }

  .hero-panel {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 28px;
  }

  .signal-strip {
    overflow-x: auto;
  }

  .signal-strip span {
    min-width: 188px;
  }

  .section {
    padding: 70px 20px;
  }

  .track-grid,
  .people-cards,
  .cover-grid,
  .pi-profile,
  .research-map,
  .admin-contact-card,
  .people-summary {
    grid-template-columns: 1fr;
  }

  .track-card {
    min-height: 340px;
  }

  .publication-item,
  .recent-publication-item,
  .recent-publication-item.with-media {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .news-item,
  .news-item.with-media {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .people-summary article {
    min-height: 84px;
  }

  .pi-profile-card {
    grid-template-columns: 1fr;
  }

  .pi-profile-photo {
    width: min(168px, 100%);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .research-video-bg {
    display: none;
  }

  .people-video-bg {
    display: none;
  }
}