/* A quiet, editorial home for research and the person behind it. */
:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --ink: #273a33;
  --muted: #61675e;
  --accent: #a4492e;
  --line: #dcded3;
  --wash: #eeeee5;
  --panel: #263c33;
  --panel-ink: #f7f5ef;
  --panel-muted: #c3cfc2;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --paper: #1b2422;
  --ink: #f0eee6;
  --muted: #b3bdb4;
  --accent: #e8a486;
  --line: #3a4941;
  --wash: #25322c;
  --panel: #2a3f35;
  --panel-ink: #f7f5ef;
  --panel-muted: #c3cfc2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 35px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { background: var(--accent); color: var(--paper); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a, button, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
button { font: inherit; }
button, summary { cursor: pointer; }
img { display: block; width: 100%; height: auto; }
p, h1, h2, h3, h4, figure { margin: 0; }
[hidden] { display: none !important; }
.wrap { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; padding: 10px 20px; z-index: 10; background: var(--ink); color: var(--paper); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 108px; display: flex; align-items: center; gap: 32px; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 13px; text-decoration: none; font-size: 15px; font-weight: 600; letter-spacing: -.02em; margin-right: auto; }
.monogram { font: italic 31px/1 var(--serif); color: var(--accent); padding-bottom: 4px; }
.site-header nav { display: flex; align-items: center; gap: 30px; }
.site-header nav a { text-decoration: none; font-size: 13px; }
.nav-cv span { color: var(--accent); margin-left: 3px; }
.theme-toggle { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); display: grid; place-items: center; }
.theme-toggle:hover { background: var(--wash); }
.sun-icon, [data-theme='dark'] .moon-icon { display: none; }
[data-theme='dark'] .sun-icon { display: block; }
.hero { display: grid; grid-template-columns: 1fr 280px; gap: 90px; align-items: center; padding: 64px 0; }
.eyebrow { font-size: 10px; text-transform: uppercase; letter-spacing: .14em; font-weight: 600; }
.hero .eyebrow { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.status-dot { width: 6px; height: 6px; flex: 0 0 6px; border-radius: 50%; background: var(--accent); }
h1 { font: 68px/1.1 var(--serif); letter-spacing: -.065em; margin: 21px 0 22px; }
.accent { color: var(--accent); }
.hero-intro { color: var(--muted); max-width: 480px; margin-top: 23px; font-size: 15px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 29px; }
.button { padding: 12px 19px; display: inline-flex; align-items: center; gap: 25px; font-size: 12px; font-weight: 500; text-decoration: none; border: 1px solid transparent; border-radius: 3px; transition: background .18s ease, transform .18s ease; }
.button-primary { color: var(--paper); background: var(--ink); }
.button-primary:hover { color: var(--paper); background: var(--accent); transform: translateY(-2px); }
.text-link { display: inline-flex; gap: 10px; align-items: center; font-size: 12px; font-weight: 500; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.file-label { font-size: 9px; letter-spacing: .06em; color: var(--muted); }
.social-links { display: flex; flex-wrap: wrap; gap: 20px; }
.social-links a { font-size: 11px; text-decoration: none; }
.social-links a span { margin-left: 2px; color: var(--muted); }
.hero .social-links { margin-top: 32px; }
.portrait { margin-top: 4px; }
.portrait-frame { border-radius: 50%; overflow: hidden; }
.portrait img { aspect-ratio: 1; object-fit: cover; object-position: center; }
.section { border-top: 1px solid var(--line); padding: 57px 0 65px; }
.section-label { display: flex; align-items: baseline; gap: 15px; }
.section-number { font: 10px/1.7 var(--sans); color: var(--accent); }
.section-label h2 { font: 500 15px/1.5 var(--sans); letter-spacing: -.02em; }
.research-section { display: grid; grid-template-columns: 240px 1fr; gap: 35px; }
.research-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.research-copy p, .about-copy p { font-size: 14px; line-height: 1.85; color: var(--muted); }
.research-copy a { color: var(--ink); }
.research-topics { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 25px 0 0; }
.research-topics li { border: 1px solid var(--line); padding: 4px 10px; border-radius: 3px; font-size: 10px; color: var(--muted); }
.open-source { background: var(--panel); color: var(--panel-ink); padding: 43px 48px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 90px; border-radius: 4px; margin: 0 0 68px; }
.open-source h2 { font: 500 20px/1.4 var(--sans); letter-spacing: -.02em; margin-bottom: 15px; }
.open-source-intro > p:last-child { font-size: 12px; line-height: 1.8; color: var(--panel-muted); max-width: 280px; }
.open-source a:hover { color: #efb99d; }
.open-source-projects { padding-top: 7px; }
.project-link { display: flex; gap: 25px; justify-content: space-between; text-decoration: none; }
.project-role { display: block; color: var(--panel-muted); font-size: 9px; letter-spacing: .07em; text-transform: uppercase; }
.project-name { display: block; font: 23px/1.5 var(--serif); margin: 9px 0 7px; }
.project-description { display: block; font-size: 12px; line-height: 1.8; color: var(--panel-muted); }
.project-arrow { font-size: 23px; }
.project-contributions { border-top: 1px solid #506459; margin-top: 22px; padding-top: 17px; }
.project-contributions > div { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 9px; }
.project-contributions a { font-size: 11px; text-decoration: none; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 27px; }
.publications-section { padding-top: 0; border-top: 0; }
.publication { display: grid; grid-template-columns: 80px 1fr; gap: 25px; padding: 29px 0 30px; border-top: 1px solid var(--line); }
.publication-year { color: var(--muted); font: italic 17px/1.4 var(--serif); padding-top: 2px; }
.publication-venue { display: flex; align-items: baseline; flex-wrap: wrap; gap: 9px; font-size: 10px; color: var(--accent); font-weight: 600; margin-bottom: 9px; }
.publication-note { border: 1px solid var(--line); color: var(--muted); padding: 1px 7px; font-size: 9px; font-weight: 400; border-radius: 2px; }
.publication h3 { font: 23px/1.3 var(--serif); letter-spacing: -.02em; max-width: 850px; }
.publication h3 a { text-decoration: none; }
.publication h3 a:hover { text-decoration: underline; }
.publication-authors { color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 12px; max-width: 860px; }
.publication-authors strong { color: var(--ink); font-weight: 600; }
.publication-description { margin-top: 11px; color: var(--muted); font-size: 12px; }
.publication-links { display: flex; gap: 22px; margin-top: 14px; }
.publication-links a { font-size: 10px; font-weight: 500; text-decoration: none; }
.publication-links a:hover { text-decoration: underline; }
.publication-links a span[aria-hidden] { margin-left: 5px; color: var(--accent); }
.publication-archive { border-block: 1px solid var(--line); }
.publication-archive summary { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; list-style: none; font-size: 12px; }
.publication-archive summary::-webkit-details-marker { display: none; }
.publication-archive summary:hover { color: var(--accent); }
.archive-count { font-size: 10px; margin-left: 8px; color: var(--muted); }
.disclosure-icon { font-size: 22px; font-weight: 300; padding-inline: 9px; line-height: 1; }
.publication-archive[open] .disclosure-icon { transform: rotate(45deg); }
.experience-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 34px; }
.column-heading { font-size: 10px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 22px; color: var(--muted); }
.timeline { list-style: none; padding: 0 0 0 20px; margin: 0; border-left: 1px solid var(--line); }
.timeline li { position: relative; padding: 0 0 27px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { position: absolute; content: ''; background: var(--paper); border: 1px solid var(--accent); width: 5px; height: 5px; border-radius: 50%; left: -24px; top: 5px; }
.timeline .timeline-date { color: var(--accent); font-size: 9px; line-height: 1.7; margin-bottom: 6px; letter-spacing: .04em; }
.timeline h4 { font-size: 13px; font-weight: 600; line-height: 1.6; }
.timeline h4 span { font-weight: 400; }
.timeline p { font-size: 12px; color: var(--muted); margin-top: 5px; line-height: 1.75; }
.timeline .institution { color: var(--ink); font-size: 11px; margin-top: 3px; }
.experience-columns .text-link { margin-top: 25px; }
.service-note { display: flex; align-items: baseline; gap: 35px; border-top: 1px solid var(--line); padding-top: 21px; margin-top: 35px; }
.service-note .eyebrow { white-space: nowrap; font-size: 9px; }
.service-note p { color: var(--muted); font-size: 12px; }
.about-section { display: grid; grid-template-columns: 240px 1fr; gap: 35px; }
.about-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 32px; }

.contact-section { border-top: 1px solid var(--line); padding: 40px 0; display: grid; grid-template-columns: 240px 1fr; align-items: start; gap: 35px; }
.contact-section h2 { font: 500 15px/1.5 var(--sans); letter-spacing: -.02em; }
.contact-email { font: 18px/1.5 var(--sans); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 12px; display: block; }
.contact-email span { color: var(--accent); margin-left: 18px; }
.contact-links .social-links { margin-top: 17px; }
.site-footer { border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; padding: 25px 0 30px; color: var(--muted); font-size: 10px; }
.site-footer a { text-decoration: none; }

@media (max-width: 1050px) {
  .wrap { width: calc(100% - 64px); }
  .hero { grid-template-columns: 1fr 280px; gap: 45px; }
  h1 { font-size: 60px; }
  .research-section, .about-section { grid-template-columns: 180px 1fr; gap: 25px; }
  .open-source { gap: 45px; padding: 38px; }
  .contact-section { grid-template-columns: 180px 1fr; gap: 25px; }
  .experience-columns { gap: 45px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 83px; gap: 17px; }
  .wordmark { font-size: 13px; gap: 9px; }
  .site-header nav { gap: 16px; }
  .site-header nav a { font-size: 11px; }
  .site-header nav a:first-child { display: none; }
  .theme-toggle { width: 32px; height: 32px; flex-shrink: 0; }
  .hero { grid-template-columns: 1fr 200px; gap: 28px; padding: 50px 0; align-items: start; }
  .hero .eyebrow { font-size: 8px; letter-spacing: .08em; }
  h1 { font-size: 53px; margin-top: 18px; }
  .hero-intro { font-size: 13px; }
  .hero-actions { gap: 20px; flex-wrap: wrap; }
  .hero .social-links { gap: 14px; }
  .portrait { margin-top: 39px; }
  .research-section, .about-section { grid-template-columns: 1fr; gap: 27px; }
  .section { padding-block: 39px; }
  .research-copy { gap: 25px; }
  .open-source { gap: 30px; padding: 29px; margin-bottom: 40px; }

  .project-name { font-size: 21px; }
  .project-arrow { font-size: 18px; }
  .publications-section { padding-top: 0; }
  .publication { grid-template-columns: 45px 1fr; gap: 20px; }
  .publication h3 { font-size: 21px; }
  .experience-columns { gap: 32px; }
  .service-note { gap: 20px; }

  .contact-section { grid-template-columns: 1fr 1fr; gap: 25px; }

  .contact-email { font-size: 20px; }
  .contact-email span { margin-left: 5px; }

}
@media (max-width: 560px) {
  .site-header { gap: 14px; }
  .wordmark > span:last-child { display: none; }
  .monogram { font-size: 32px; }
  .site-header nav { gap: 22px; }
  .site-header nav a { font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 35px; padding: 38px 0 43px; }
  .hero .eyebrow { font-size: 9px; }
  h1 { font-size: clamp(54px, 14vw, 74px); margin: 22px 0 20px; }
  .hero-intro { font-size: 14px; max-width: 100%; }
  .hero-actions { gap: 25px; }
  .hero .social-links { gap: 22px; margin-top: 27px; }
  .portrait { margin: 0; width: 130px; }
  .research-copy { grid-template-columns: 1fr; gap: 16px; }
  .research-topics { gap: 6px; }
  .research-topics li { font-size: 9px; padding: 4px 8px; }
  .open-source { grid-template-columns: 1fr; gap: 25px; padding: 27px; }
  .open-source-intro > p:last-child { max-width: 100%; }
  .open-source-projects { border-top: 1px solid #506459; padding-top: 22px; }
  .section-heading { flex-wrap: wrap; gap: 13px; }
  .section-heading > .text-link { margin-left: 29px; font-size: 11px; }
  .publication { grid-template-columns: 1fr; gap: 10px; padding-block: 24px; }
  .publication-year { font-size: 14px; }
  .publication h3 { font-size: 22px; }
  .publication-venue { font-size: 10px; }
  .publication-authors { font-size: 11px; }
  .publication-links a { font-size: 11px; padding-block: 3px; }
  .experience-columns { grid-template-columns: 1fr; gap: 38px; margin-top: 27px; }
  .timeline h4 { font-size: 14px; }
  .timeline p { font-size: 13px; }
  .timeline .timeline-date { font-size: 10px; }
  .service-note { display: block; margin-top: 28px; }
  .service-note p { margin-top: 8px; }
  .about-copy { grid-template-columns: 1fr; gap: 16px; }
  .contact-section { grid-template-columns: 1fr; gap: 18px; padding: 35px 0 40px; }

  .contact-links { width: 100%; }
  .contact-email { display: flex; justify-content: space-between; gap: 8px; font-size: 18px; overflow-wrap: anywhere; }
  .site-footer { flex-wrap: wrap; font-size: 9px; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }
@media print {
  :root, :root[data-theme='dark'] { --paper: white; --ink: black; --muted: #444; --accent: #444; --line: #ccc; }
  .wrap { width: 100%; }
  .site-header, .theme-toggle, .skip-link, .hero-actions, .site-footer, .contact-section { display: none; }
  .hero { padding: 20px 0; grid-template-columns: 1fr 150px; gap: 35px; }
  h1 { font-size: 48px; }
  .section { padding-block: 25px; }
  .open-source { background: white; color: black; border: 1px solid #ccc; --panel-muted: #444; margin-bottom: 25px; }
  .publication { break-inside: avoid; }
  .publication-archive > .publication-list { content-visibility: visible; display: block !important; }
  .publication-archive::details-content { content-visibility: visible; }
  a { text-decoration: none; }
}