:root {
  --paper: #ffffff;
  --ink: #202724;
  --secondary: #66706c;
  --rule: #dfe5e1;
  --accent: #426f68;
  --soft: #f2f6f4;
  --white: #ffffff;
  --serif: "Source Serif 4", "Iowan Old Style", "Baskerville", "Songti SC", "Noto Serif CJK SC", Georgia, serif;
  --sans: Inter, Geist, "PingFang SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
h1, h2, h3, h4, p, figure, dl, dd, ol, ul { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.08; }
.site-shell { width: min(100% - 96px, 1080px); margin-inline: auto; }
.skip-link { position: fixed; left: 18px; top: -80px; z-index: 100; background: var(--ink); color: var(--white); padding: 10px 14px; }
.skip-link:focus { top: 16px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--rule); background: var(--paper); }
.header-inner { min-height: 66px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; }
.wordmark { display: flex; align-items: baseline; gap: 8px; text-decoration: none; font-family: var(--serif); font-size: 18px; }
.wordmark small { color: var(--secondary); font-family: var(--sans); font-size: 11px; letter-spacing: 0.08em; }
.desktop-nav { justify-self: center; display: flex; gap: clamp(14px, 2vw, 28px); font-size: 13px; }
.desktop-nav a, .language-switch a { text-decoration: none; }
.language-switch { display: flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 12px; }
.language-switch [aria-current="page"] { color: var(--accent); font-weight: 700; }
.mobile-nav { display: none; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) 188px; gap: clamp(42px, 6vw, 72px); align-items: center; min-height: 480px; padding-block: 54px 50px; }
.kicker, .section-number, .story-number { color: var(--accent); font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { margin-bottom: 18px; font-size: clamp(34px, 4.2vw, 48px); letter-spacing: -0.028em; }
.hero-statement { max-width: 670px; margin-bottom: 20px; font-family: var(--serif); font-size: clamp(18px, 2vw, 23px); line-height: 1.42; letter-spacing: -0.008em; }
.hero-affiliation { max-width: 710px; margin-bottom: 18px; color: var(--secondary); font-size: 12px; line-height: 1.55; }
.hero-affiliation span { display: block; }
.hero-affiliation span + span { margin-top: 2px; }
.hero-links { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; }
.document-pending { color: var(--secondary); font-family: var(--mono); font-size: 11px; letter-spacing: .04em; }
.portrait { width: 188px; margin: 0; justify-self: end; overflow: hidden; border: 1px solid var(--rule); background: var(--white); }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: 50% 24%; }

.snapshot { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--rule); }
.snapshot article { min-height: 122px; padding: 23px 24px; border-left: 1px solid var(--rule); }
.snapshot article:first-of-type { border-left: 0; }
.snapshot p { margin-bottom: 13px; color: var(--accent); font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.snapshot span { display: block; font-family: var(--serif); font-size: 16px; line-height: 1.4; }
.snapshot span + span { color: var(--secondary); font-family: var(--sans); font-size: 13px; margin-top: 4px; }

.section-block { padding-top: 92px; }
.section-head { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 20px; margin-bottom: 42px; padding-top: 16px; border-top: 1px solid var(--ink); }
.section-head h2 { margin-bottom: 14px; font-size: clamp(30px, 3.4vw, 40px); letter-spacing: -0.018em; }
.section-intro { max-width: 720px; margin-bottom: 0; color: var(--secondary); font-size: 15px; }

.science-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.science-figure { margin: 0; display: flex; flex-direction: column; border-bottom: 1px solid var(--rule); }
.science-figure img { width: 100%; flex: 1; min-height: 280px; object-fit: cover; background: var(--soft); }
.science-figure--1 img { object-position: 12% center; }
.science-figure--3 { grid-column: 1 / -1; }
.science-figure--3 img { flex: none; height: clamp(360px, 40vw, 480px); min-height: 0; object-fit: contain; background: var(--white); }
.science-figure figcaption, .story-visual figcaption { padding: 12px 0 14px; color: var(--secondary); font-size: 12px; line-height: 1.45; }

.research-list { border-top: 1px solid var(--rule); }
.research-story { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: clamp(40px, 6vw, 72px); align-items: center; padding-block: 60px; border-bottom: 1px solid var(--rule); }
.research-story--reverse .story-visual { order: 2; }
.story-visual { margin: 0; }
.story-visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--soft); }
.story-visual img[src*="micro-qled"] { object-position: 12% 42%; }
.story-placeholder > div { min-height: 340px; display: grid; place-content: center; gap: 10px; border: 1px dashed #b9c8c2; background: linear-gradient(135deg, #fbfdfc, var(--soft)); padding: 34px; text-align: center; }
.story-placeholder span { font-family: var(--mono); font-size: 12px; letter-spacing: 0.09em; text-transform: uppercase; }
.story-placeholder small { max-width: 440px; color: var(--secondary); font-size: 13px; }
.story-copy h3 { max-width: 540px; margin-bottom: 24px; font-size: clamp(25px, 2.8vw, 34px); }
.story-copy dl { margin-bottom: 0; }
.story-copy dl > div { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding-block: 13px; border-top: 1px solid var(--rule); }
.story-copy dt { color: var(--accent); font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.story-copy dd { margin: 0; color: var(--secondary); }
.story-link { margin: 22px 0 0; font-size: 14px; }

.publication-list { border-top: 1px solid var(--ink); }
.publication-row { display: grid; grid-template-columns: minmax(200px, 0.34fr) minmax(0, 1fr); gap: clamp(34px, 5vw, 64px); padding-block: 46px; border-bottom: 1px solid var(--rule); }
.publication-figure { margin: 0; align-self: start; background: var(--soft); overflow: hidden; }
.publication-figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.publication-index { color: var(--rule); font-family: var(--serif); font-size: 94px; line-height: 0.8; }
.publication-meta { margin-bottom: 12px; color: var(--accent); font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.publication-copy h3 { margin-bottom: 16px; font-size: clamp(21px, 2.25vw, 27px); line-height: 1.25; }
.authors { color: var(--secondary); font-size: 13px; line-height: 1.55; }
.significance { max-width: 760px; }
.contribution { color: var(--secondary); font-size: 13px; }
.contribution span { color: var(--accent); font-family: var(--mono); font-size: 10px; letter-spacing: 0.07em; text-transform: uppercase; }
.publication-links { display: flex; gap: 22px; margin-bottom: 0; font-size: 14px; }

.profile-columns { display: grid; grid-template-columns: 1.18fr 0.82fr; gap: 72px; }
.profile-columns h3, .expertise h3, .about-grid h3 { padding-bottom: 12px; border-bottom: 1px solid var(--ink); font-size: 24px; }
.timeline-row { display: grid; grid-template-columns: 104px 1fr; gap: 22px; padding-block: 24px; border-bottom: 1px solid var(--rule); }
.timeline-date { display: flex; flex-direction: column; margin: 0; color: var(--secondary); font-family: var(--mono); font-size: 11px; line-height: 1.5; }
.timeline-row h4 { margin: 0 0 6px; font-family: var(--serif); font-size: 19px; font-weight: 600; line-height: 1.3; }
.timeline-row p { margin-bottom: 0; color: var(--secondary); font-size: 13px; }
.timeline-row .institution { margin-bottom: 6px; color: var(--ink); }
.expertise { margin-top: 66px; }
.expertise ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 54px; margin: 0; padding: 0; list-style: none; }
.expertise li { padding: 14px 0; border-bottom: 1px solid var(--rule); }

.awards ol, .news ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.awards li { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.awards time { color: var(--accent); font-family: var(--mono); font-size: 12px; }
.awards strong, .awards span { display: block; }
.awards strong { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.awards span { margin-top: 3px; color: var(--secondary); font-size: 13px; }
.news li { display: grid; grid-template-columns: 110px 1fr; gap: 24px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.news time { display: grid; grid-template-columns: 45px 1fr; gap: 8px; color: var(--secondary); font-family: var(--mono); font-size: 11px; }

.about-contact { padding-bottom: 116px; }
.about-grid { display: grid; grid-template-columns: 1.25fr 0.8fr 0.95fr; gap: 62px; }
.about-grid p, .about-grid address { color: var(--secondary); font-style: normal; }
.materials-links { line-height: 2; }
.availability { display: flex; align-items: flex-start; gap: 9px; margin-top: 22px; color: var(--accent) !important; font-size: 12px; line-height: 1.5; }
.availability span { flex: 0 0 6px; width: 6px; height: 6px; margin-top: 6px; border-radius: 50%; background: var(--accent); }
.rights-note { padding-top: 16px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 10px; line-height: 1.55; text-transform: uppercase; }

.site-footer { border-top: 1px solid var(--ink); padding-block: 30px; }
.site-footer .site-shell { display: flex; justify-content: space-between; gap: 30px; }
.site-footer p { margin: 0; color: var(--secondary); font-size: 12px; }
.site-footer strong, .site-footer span { display: block; }
.site-footer strong { color: var(--ink); font-family: var(--serif); font-size: 18px; }

@media (hover: hover) and (pointer: fine) {
  .hero-links a,
  .materials-links a,
  .research-story,
  .publication-row,
  .timeline-row,
  .awards li,
  .news li,
  .science-figure img,
  .story-visual img,
  .publication-figure img {
    transition: transform 180ms ease, color 180ms ease, background-color 180ms ease;
  }

  .hero-links a:hover,
  .materials-links a:hover { transform: translateY(-2px); }
  .research-story:hover,
  .publication-row:hover { transform: translateY(-3px); }
  .timeline-row:hover,
  .awards li:hover,
  .news li:hover { transform: translateX(4px); }
  .science-figure:hover img,
  .research-story:hover .story-visual img,
  .publication-row:hover .publication-figure img { transform: scale(1.012); }
}

@media (max-width: 1024px) {
  .site-shell { width: min(100% - 56px, 1080px); }
  .desktop-nav { gap: 14px; }
  .hero { min-height: auto; gap: 50px; padding-block: 62px 56px; }
  .science-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .science-figure img { min-height: 250px; }
  .research-story { gap: 48px; }
  .profile-columns, .about-grid { gap: 44px; }
}

@media (max-width: 820px) {
  .header-inner { grid-template-columns: auto 1fr auto auto; gap: 18px; }
  .desktop-nav { display: none; }
  .mobile-nav { display: block; grid-column: 4; position: relative; }
  .mobile-nav summary { cursor: pointer; font-family: var(--mono); font-size: 12px; list-style: none; text-transform: uppercase; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav nav { position: absolute; right: 0; top: 36px; min-width: 210px; border: 1px solid var(--rule); background: var(--paper); padding: 16px 20px; }
  .mobile-nav nav a { display: block; padding: 7px 0; text-decoration: none; }
  .language-switch { grid-column: 3; }
  .hero { grid-template-columns: minmax(0, 1fr) 164px; gap: 34px; }
  .portrait { width: 164px; }
  .hero h1 { font-size: 40px; }
  .hero-statement { font-size: 21px; }
  .research-story { grid-template-columns: 1fr; }
  .research-story--reverse .story-visual { order: 0; }
  .publication-row { grid-template-columns: 180px 1fr; gap: 34px; }
  .profile-columns, .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-shell { width: min(100% - 40px, 1080px); }
  .site-header { position: static; }
  .header-inner { min-height: 64px; grid-template-columns: 1fr auto auto; }
  .wordmark small { display: none; }
  .language-switch { grid-column: 2; }
  .mobile-nav { grid-column: 3; }
  .hero { grid-template-columns: 1fr; gap: 30px; padding-block: 48px 42px; }
  .hero-copy { order: 1; }
  .portrait { order: 2; width: 104px; justify-self: start; border-radius: 50%; }
  .portrait img { border-radius: inherit; }
  .hero h1 { font-size: clamp(34px, 10vw, 40px); }
  .hero-statement { font-size: 19px; }
  .snapshot { grid-template-columns: 1fr; }
  .snapshot article, .snapshot article:nth-of-type(3), .snapshot article:nth-of-type(4) { min-height: auto; border-left: 0; border-top: 1px solid var(--rule); }
  .snapshot article:first-of-type { border-top: 0; }
  .section-block { padding-top: 70px; }
  .section-head { grid-template-columns: 44px 1fr; gap: 12px; margin-bottom: 38px; }
  .science-grid { grid-template-columns: 1fr; }
  .science-figure--1 { grid-row: auto; }
  .science-figure--3 { grid-column: auto; }
  .science-figure img { min-height: 0; aspect-ratio: 4 / 3; }
  .science-figure--3 img { height: auto; aspect-ratio: auto; }
  .research-story { padding-block: 50px; }
  .story-placeholder > div { min-height: 280px; padding: 24px; }
  .story-copy dl > div { grid-template-columns: 1fr; gap: 5px; }
  .publication-row { grid-template-columns: 1fr; gap: 28px; padding-block: 42px; }
  .publication-index { font-size: 68px; }
  .publication-figure { max-width: 100%; }
  .timeline-row { grid-template-columns: 84px 1fr; gap: 16px; }
  .expertise ul { grid-template-columns: 1fr; }
  .awards li, .news li { grid-template-columns: 78px 1fr; gap: 16px; }
  .about-contact { padding-bottom: 80px; }
  .site-footer .site-shell { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero-links a:hover,
  .materials-links a:hover,
  .research-story:hover,
  .publication-row:hover,
  .timeline-row:hover,
  .awards li:hover,
  .news li:hover,
  .science-figure:hover img,
  .research-story:hover .story-visual img,
  .publication-row:hover .publication-figure img { transform: none !important; }
}