:root {
  --paper: #f2ede3;
  --paper-deep: #e7dfd1;
  --ink: #25221d;
  --ink-soft: #625d54;
  --terracotta: #a64f3c;
  --terracotta-dark: #7f3b2e;
  --sage: #697666;
  --line: rgba(37, 34, 29, .17);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Baskerville, "Noto Serif SC", "Songti SC", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
  --shell: min(1180px, calc(100vw - 48px));
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .18;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 18px; top: 12px; z-index: 999; padding: 9px 14px; color: white; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid transparent; transition: background .3s ease, border-color .3s ease; }
.site-header.is-scrolled { background: rgba(242, 237, 227, .92); border-color: var(--line); backdrop-filter: blur(14px); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.wordmark-mark { width: 35px; height: 35px; display: block; flex: 0 0 35px; overflow: hidden; border-radius: 8px; }
.wordmark-mark img { width: 100%; height: 100%; object-fit: cover; }
.wordmark-name { font: 600 17px/1 var(--serif); letter-spacing: .01em; }
.primary-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 40px); }
.primary-nav a { position: relative; color: var(--ink-soft); font-size: 13px; letter-spacing: .025em; text-decoration: none; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 1px; background: var(--terracotta); transition: right .25s var(--ease); }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { right: 0; }
.primary-nav a[aria-current="page"] { color: var(--ink); }
.primary-nav .language-link { padding: 8px 12px; border: 1px solid var(--line); border-radius: 99px; color: var(--ink); }
.primary-nav .language-link::after { display: none; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.nav-toggle > span:not(.screen-reader-text) { display: block; width: 22px; height: 1px; margin: 5px 0; background: var(--ink); }

.hero { min-height: calc(100vh - 86px); padding-block: clamp(54px, 7vw, 100px) clamp(90px, 12vw, 160px); display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .72fr); gap: clamp(60px, 9vw, 132px); align-items: center; }
.eyebrow, .item-kicker { margin: 0; color: var(--terracotta-dark); font: 600 11px/1.4 var(--sans); letter-spacing: .18em; text-transform: uppercase; }
.hero h1, .archive-hero h1 { margin: 22px 0 12px; font: 600 clamp(64px, 8.2vw, 122px)/.88 var(--serif); letter-spacing: -.055em; }
.hero-role { margin: 0 0 28px; color: var(--ink-soft); font-size: 14px; letter-spacing: .04em; }
.hero-tagline { max-width: 640px; margin: 0; font: 400 clamp(27px, 3vw, 44px)/1.18 var(--serif); letter-spacing: -.025em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 42px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 20px; border: 1px solid var(--ink); border-radius: 2px; font-size: 13px; text-decoration: none; transition: transform .25s var(--ease), background .25s ease, color .25s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--paper); background: var(--ink); }
.button-primary:hover { background: var(--terracotta-dark); border-color: var(--terracotta-dark); }
.button-quiet:hover { color: var(--paper); background: var(--ink); }
.portrait-frame { position: relative; overflow: hidden; aspect-ratio: 3 / 4; background: var(--paper-deep); }
.portrait-frame::before { content: ""; position: absolute; inset: 16px; z-index: 1; border: 1px solid rgba(242, 237, 227, .55); pointer-events: none; }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 46%; filter: saturate(.78) sepia(.08) contrast(.97); transition: transform 1.2s var(--ease); }
.hero-portrait:hover img { transform: scale(1.025); }
.hero-portrait figcaption { display: flex; justify-content: space-between; gap: 20px; margin-top: 13px; color: var(--ink-soft); font: 500 10px/1.4 var(--sans); letter-spacing: .11em; text-transform: uppercase; }

.section { padding-block: clamp(92px, 12vw, 170px); }
.section-rule { border-top: 1px solid var(--line); }
.section-label { display: flex; align-items: center; gap: 12px; color: var(--ink-soft); font: 600 11px/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.section-label span { color: var(--terracotta); }
.about-grid { display: grid; grid-template-columns: 120px minmax(0, 1fr) 260px; gap: clamp(38px, 7vw, 96px); align-items: start; }
.about-main h2, .section-heading h2, .contact-section h2 { margin: 0; font: 400 clamp(42px, 5.8vw, 76px)/1.02 var(--serif); letter-spacing: -.045em; }
.lede { max-width: 760px; margin: 34px 0; color: var(--ink-soft); font: 400 clamp(20px, 2.2vw, 27px)/1.55 var(--serif); }
.research-list { display: flex; flex-wrap: wrap; gap: 9px; }
.research-list span { padding: 7px 12px; border: 1px solid var(--line); border-radius: 99px; color: var(--ink-soft); font-size: 12px; }
.profile-card { padding: 18px; border: 1px solid var(--line); }
.profile-card img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 28%; filter: grayscale(.2) saturate(.76); }
.profile-card div { padding-top: 18px; margin-top: 18px; border-top: 1px solid var(--line); }
.profile-card small, .patent-numbers small { display: block; margin-bottom: 4px; color: var(--terracotta-dark); font: 600 9px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.profile-card p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }

.section-heading { display: grid; grid-template-columns: 180px minmax(0, 1fr) auto; gap: 32px; align-items: end; margin-bottom: clamp(56px, 8vw, 96px); }
.arrow-link { color: var(--ink-soft); font-size: 13px; text-decoration: none; white-space: nowrap; }
.arrow-link span { margin-left: 9px; color: var(--terracotta); font-size: 18px; }
.publication-row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 32px; padding: 34px 0 42px; border-top: 1px solid var(--line); }
.publication-year { color: var(--terracotta); font: 400 30px/1 var(--serif); }
.publication-row h3, .archive-publication h2 { max-width: 900px; margin: 12px 0; font: 400 clamp(25px, 3vw, 39px)/1.2 var(--serif); letter-spacing: -.025em; }
.authors { margin: 0; color: var(--ink-soft); font-size: 13px; }
.owner-name { color: var(--ink); font-weight: 750; }
.item-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.mini-link { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid var(--line); border-radius: 2px; color: var(--ink-soft); font-size: 11px; text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.mini-link:hover { color: var(--paper); border-color: var(--ink); background: var(--ink); }

.projects-section, .honors-section { background: var(--ink); color: var(--paper); }
.projects-section .section-label, .projects-section .arrow-link, .honors-section .section-label { color: rgba(242, 237, 227, .62); }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgba(242, 237, 227, .18); border-left: 1px solid rgba(242, 237, 227, .18); }
.project-card { min-height: 390px; padding: clamp(32px, 5vw, 64px); border-right: 1px solid rgba(242, 237, 227, .18); border-bottom: 1px solid rgba(242, 237, 227, .18); }
.project-number { color: var(--terracotta); font: italic 400 20px/1 var(--serif); }
.project-card .item-kicker { margin-top: 90px; color: #cb927f; }
.project-card h3 { margin: 14px 0; font: 400 clamp(34px, 4vw, 52px)/1 var(--serif); }
.project-card > p:not(.item-kicker) { max-width: 520px; color: rgba(242, 237, 227, .66); }
.projects-section .mini-link { color: rgba(242, 237, 227, .8); border-color: rgba(242, 237, 227, .25); }
.projects-section .mini-link:hover { color: var(--ink); background: var(--paper); border-color: var(--paper); }

.journey-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(70px, 11vw, 150px); }
.journey-column > h3 { padding-bottom: 17px; margin: 0; border-bottom: 1px solid var(--ink); font: 600 12px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.timeline-item { position: relative; padding: 30px 0 32px 28px; border-bottom: 1px solid var(--line); }
.timeline-item::before { content: ""; position: absolute; left: 0; top: 36px; width: 7px; height: 7px; border-radius: 50%; background: var(--terracotta); }
.timeline-date { margin: 0 0 7px; color: var(--terracotta-dark); font: 600 10px/1.4 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.timeline-item h4 { margin: 0 0 6px; font: 400 23px/1.3 var(--serif); }
.timeline-subtitle { color: var(--ink); font-size: 12px !important; }
.timeline-item p:last-child { margin-bottom: 0; color: var(--ink-soft); font-size: 13px; }

.compact-list { border-top: 1px solid var(--line); }
.compact-item { display: grid; grid-template-columns: 180px minmax(0, 1fr) 160px; gap: 28px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line); }
.compact-item > div, .patent-state { color: var(--ink-soft); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 9px; border-radius: 50%; background: var(--terracotta); vertical-align: .08em; }
.compact-item h3 { margin: 0; font: 400 22px/1.35 var(--serif); }
.compact-item p { margin: 0; color: var(--ink-soft); font: 400 13px/1.5 var(--serif); text-align: right; }

.honor-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.honor-item { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 22px; padding: 25px 30px 28px 0; border-top: 1px solid rgba(242, 237, 227, .18); }
.honor-date { grid-row: 1 / span 2; color: #cb927f !important; font: italic 400 16px/1.5 var(--serif); }
.honor-item h3 { margin: 0; font: 400 21px/1.35 var(--serif); }
.honor-item p:last-child { margin: 5px 0 0; color: rgba(242, 237, 227, .58); font-size: 12px; }

.contact-section { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .6fr); gap: 80px; align-items: end; padding-block: clamp(110px, 15vw, 210px); }
.contact-section h2 { margin-top: 18px; }
.contact-copy { color: var(--ink-soft); }
.contact-copy > a { display: inline-block; margin-top: 20px; color: var(--ink); font: 400 22px/1.3 var(--serif); text-decoration: none; }
.contact-copy > a span { color: var(--terracotta); }

.site-footer { padding: 64px 0 24px; color: rgba(242, 237, 227, .66); background: #1d1b18; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 48px; padding-bottom: 48px; }
.footer-name { margin: 0 0 8px; color: var(--paper); font: 400 28px/1.2 var(--serif); }
.footer-grid p:not(.footer-name) { margin: 0; font-size: 13px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(242, 237, 227, .14); font-size: 10px; letter-spacing: .06em; }

.archive-main { min-height: 70vh; }
.archive-hero { padding-block: clamp(80px, 12vw, 160px) clamp(70px, 9vw, 120px); }
.archive-hero h1 { margin-block: 28px; }
.archive-hero > p:last-child { max-width: 650px; color: var(--ink-soft); font: 400 21px/1.55 var(--serif); }
.archive-content { padding-bottom: clamp(100px, 14vw, 190px); }
.archive-publication { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 42px; padding: 48px 0 56px; border-top: 1px solid var(--line); }
.archive-index { color: var(--terracotta); font: italic 400 18px/1 var(--serif); }
.archive-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--terracotta-dark); font: 600 10px/1.5 var(--sans); letter-spacing: .09em; text-transform: uppercase; }
.archive-publication > div:last-child > p:not(.authors) { max-width: 800px; color: var(--ink-soft); }
.archive-patent { display: grid; grid-template-columns: 150px minmax(0, 1fr) 210px; gap: 40px; padding: 42px 0 48px; border-top: 1px solid var(--line); }
.archive-patent h2, .archive-project h2 { margin: 0 0 14px; font: 400 clamp(25px, 3vw, 36px)/1.25 var(--serif); }
.archive-patent > div:nth-child(2) > p:not(.authors) { color: var(--ink-soft); }
.patent-numbers p { margin: 0 0 18px; font: 400 14px/1.4 var(--serif); }
.archive-project { display: grid; grid-template-columns: 90px minmax(0, 1fr) 160px; gap: 45px; padding: 48px 0 54px; border-top: 1px solid var(--line); }
.archive-project > div:nth-child(2) > p:last-child { max-width: 720px; color: var(--ink-soft); }
.project-actions { display: flex; flex-direction: column; align-items: stretch; gap: 8px; }
.project-actions .mini-link { justify-content: space-between; }
.not-found { min-height: 70vh; padding-block: 120px; }
.not-found h1 { max-width: 850px; margin: 28px 0; font: 400 clamp(44px, 7vw, 82px)/1.02 var(--serif); letter-spacing: -.045em; }
.not-found > p:not(.eyebrow) { margin-bottom: 38px; color: var(--ink-soft); }

.has-reveal .reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.has-reveal .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 720px); }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; top: 74px; left: 18px; right: 18px; display: none; padding: 18px; flex-direction: column; align-items: stretch; gap: 0; border: 1px solid var(--line); background: rgba(242, 237, 227, .98); box-shadow: 0 18px 50px rgba(37, 34, 29, .12); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 10px 8px; }
  .primary-nav a::after { display: none; }
  .primary-nav .language-link { margin-top: 8px; text-align: center; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding-top: 18px; }
  .hero-portrait { width: min(100%, 500px); margin-left: auto; }
  .about-grid { grid-template-columns: 1fr; }
  .about-grid > .section-label { margin-bottom: 10px; }
  .profile-card { display: grid; grid-template-columns: 160px 1fr; gap: 18px; align-items: start; }
  .profile-card div { margin: 0; padding: 8px 0 0; border: 0; }
  .section-heading { grid-template-columns: 1fr auto; }
  .section-heading .section-label { grid-column: 1 / -1; }
  .project-grid, .journey-columns, .honor-list { grid-template-columns: 1fr; }
  .compact-item { grid-template-columns: 130px minmax(0, 1fr); }
  .compact-item p { grid-column: 2; text-align: left; }
  .archive-patent { grid-template-columns: 120px minmax(0, 1fr); }
  .patent-numbers { grid-column: 2; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .archive-project { grid-template-columns: 70px minmax(0, 1fr); }
  .project-actions { grid-column: 2; flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 30px); }
  .header-inner { min-height: 72px; }
  .wordmark-name { font-size: 15px; }
  .hero { padding-top: 42px; gap: 55px; }
  .hero h1 { font-size: clamp(54px, 18vw, 78px); }
  .hero-tagline { font-size: 28px; }
  .section { padding-block: 90px; }
  .profile-card { grid-template-columns: 110px 1fr; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .section-heading .arrow-link { justify-self: start; }
  .publication-row { grid-template-columns: 1fr; gap: 15px; }
  .publication-year { font-size: 22px; }
  .project-card { padding: 30px 24px; min-height: 350px; }
  .project-card .item-kicker { margin-top: 68px; }
  .compact-item { grid-template-columns: 1fr; gap: 10px; }
  .compact-item p { grid-column: 1; }
  .honor-item { grid-template-columns: 72px 1fr; padding-right: 0; }
  .contact-section { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid, .footer-bottom { grid-template-columns: 1fr; flex-direction: column; }
  .footer-links { align-items: flex-start; }
  .archive-publication { grid-template-columns: 1fr; gap: 16px; }
  .archive-patent, .archive-project { grid-template-columns: 1fr; gap: 18px; }
  .patent-numbers, .project-actions { grid-column: 1; }
  .patent-numbers { grid-template-columns: 1fr; gap: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}