:root {
  --bg: #fafaf8;
  --text: #1d252b;
  --body: #333d44;
  --muted: #5f6b72;
  --line: #e3e7e5;
  --accent: #1d6b65;
  --accent-soft: #eaf2f0;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1040px;
  --pad: clamp(20px, 4vw, 40px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(29, 107, 101, .35); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { margin: 0; color: var(--text); }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 30; padding: 8px 12px; background: var(--text); color: #fff; }
.skip-link:focus { left: 8px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(250, 250, 248, .94); border-bottom: 1px solid transparent; backdrop-filter: saturate(1.2) blur(10px); transition: border-color .2s ease; }
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { min-height: 64px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 24px; }
.site-name { color: var(--text); font: 600 19px/1.2 var(--serif); text-decoration: none; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 4px 26px; }
.site-header nav a { padding: 4px 0; border-bottom: 1.5px solid transparent; color: var(--muted); font-size: 14.5px; text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current] { border-bottom-color: var(--accent); color: var(--text); }

/* Intro */
main { transition: opacity .25s ease; }
main.is-loading { opacity: 0; }
.intro { padding-top: clamp(48px, 8vw, 88px); padding-bottom: clamp(48px, 7vw, 72px); display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: clamp(36px, 6vw, 72px); align-items: start; }
.intro h1 { font: 600 clamp(36px, 5vw, 48px)/1.1 var(--serif); letter-spacing: -.01em; }
.role { margin: 10px 0 28px; color: var(--muted); font-size: 17px; }
.bio p { max-width: 64ch; margin: 0 0 16px; color: var(--body); font-size: 17px; line-height: 1.72; }
.availability { max-width: 64ch; margin: 24px 0 0; padding: 12px 16px; border-left: 3px solid var(--accent); background: var(--accent-soft); color: var(--text); font-size: 15.5px; line-height: 1.6; }
.profile-links { margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; font-size: 15px; }
.portrait { position: relative; margin: 6px 0 0; }
.portrait::before { position: absolute; inset: 12px -12px -12px 12px; background: var(--accent-soft); content: ""; }
.portrait img { position: relative; display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 2px; }

/* Page titles (all pages except home) */
.page-intro { padding-top: clamp(40px, 7vw, 72px); padding-bottom: clamp(32px, 5vw, 48px); }
.page-intro h1 { font: 600 clamp(32px, 4.4vw, 42px)/1.15 var(--serif); letter-spacing: -.01em; }
.page-lead { max-width: 64ch; margin: 14px 0 0; color: var(--muted); font-size: 16px; }
.download-link { display: inline-block; padding: 9px 16px; border: 1px solid var(--accent); border-radius: 3px; font-weight: 500; text-decoration: none; }
.download-link:hover { background: var(--accent-soft); }

/* Sections */
.section { padding-top: 56px; padding-bottom: 56px; display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 40px; border-top: 1px solid var(--line); scroll-margin-top: 64px; }
.section > h2 { position: sticky; top: 96px; align-self: start; font: 600 24px/1.3 var(--serif); }
.subhead { margin: 36px 0 14px; color: var(--muted); font: 600 12.5px/1.4 var(--sans); letter-spacing: .09em; text-transform: uppercase; }
.section-body > .subhead:first-child { margin-top: 0; }
.lead, .section-lead { max-width: 68ch; margin: 0 0 8px; color: var(--body); font-size: 16px; line-height: 1.7; }
.section-lead { margin-bottom: 16px; color: var(--muted); font-size: 15.5px; }
.placeholder-note { margin: 0; color: var(--muted); font-style: italic; }
.entry-year { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.entry-links { display: inline-flex; flex-wrap: wrap; gap: 4px 16px; font-size: 14px; }
.entry-links a, .link-button { white-space: nowrap; }
.link-button { padding: 0; border: 0; background: none; color: var(--accent); font: inherit; font-size: 14px; text-decoration: underline; text-decoration-color: rgba(29, 107, 101, .35); text-underline-offset: 3px; cursor: pointer; }
.link-button:hover { text-decoration-color: currentColor; }

/* Research interests and ongoing projects */
.interest, .project { max-width: 70ch; }
.interest + .interest { margin-top: 26px; }
.project { padding: 20px 24px 22px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 4px; background: #fff; }
.project + .project { margin-top: 16px; }
.project .project-status { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; color: var(--accent); font: 600 12px/1.4 var(--sans); letter-spacing: .09em; text-transform: uppercase; }
.project .project-status::before { width: 7px; height: 7px; border-radius: 50%; background: currentColor; content: ""; }
.interest h3, .interest h4, .project h3 { margin: 0; color: var(--text); font: 600 18px/1.4 var(--serif); }
.interest p, .project p { margin: 6px 0 0; color: var(--body); font-size: 15.5px; line-height: 1.68; }
.interest .refs, .project .refs { color: var(--muted); font-size: 14px; }

/* Publications */
.entry { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 16px; }
.pub { padding-bottom: 28px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.pub:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.pub .entry-year { padding-top: 3px; }
.pub h3 { font: 600 19.5px/1.38 var(--serif); }
.pub h3 a { color: var(--text); text-decoration: none; }
.pub h3 a:hover { color: var(--accent); }
.pub-authors { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.pub-authors strong { color: var(--text); font-weight: 600; }
.pub-venue { margin: 2px 0 0; color: var(--muted); font-size: 15px; font-style: italic; }
.pub-summary { max-width: 70ch; margin: 12px 0 0; color: var(--body); font-size: 15.5px; line-height: 1.68; }
.pub .entry-links { margin: 10px 0 0; display: flex; }

/* Talks */
.talk + .talk { margin-top: 26px; }
.talk h3 { font: 600 18px/1.4 var(--serif); }
.talk ul, .compact { margin: 8px 0 0; padding: 0; list-style: none; }
.talk li, .compact li { padding: 6px 0; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 16px; color: var(--body); font-size: 15.5px; line-height: 1.55; }
.talk li .entry-links { margin-left: 10px; }
.compact li small { display: block; margin-top: 2px; color: var(--muted); font-size: 14.5px; }
.compact.dated li { grid-template-columns: 120px minmax(0, 1fr); padding: 8px 0; }

/* Footer */
.site-footer { margin-top: 24px; border-top: 1px solid var(--line); }
.footer-inner { padding-top: 28px; padding-bottom: 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 32px; color: var(--muted); font-size: 14px; }
.footer-inner p { margin: 0; }
.noscript { padding-top: 24px; color: var(--muted); }

@media (max-width: 860px) {
  .intro { grid-template-columns: 1fr; }
  .portrait { order: -1; width: 150px; }
  .portrait::before { inset: 8px -8px -8px 8px; }
  .section { grid-template-columns: 1fr; gap: 22px; padding-top: 44px; padding-bottom: 44px; }
  .section > h2 { position: static; }
}

@media (max-width: 560px) {
  .site-header { position: static; }
  .header-inner { min-height: 0; padding-top: 14px; padding-bottom: 6px; }
  .site-name { display: none; }
  .site-header nav { gap: 4px 20px; }
  .intro { padding-top: 28px; }
  .page-intro { padding-top: 28px; }
  .portrait { width: 120px; }
  .bio p { font-size: 16.5px; }
  .project { padding: 16px 18px 18px; }
  .entry, .talk li, .compact li, .compact.dated li { grid-template-columns: 1fr; gap: 2px; }
  .talk li .entry-links { margin-left: 0; display: flex; margin-top: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  main, .site-header { transition: none; }
}

@media print {
  .site-header, .skip-link, .pub .entry-links, .talk .entry-links, .link-button, .download-link, [data-cv-item] { display: none !important; }
  main.is-loading { opacity: 1; }
  .section { break-inside: avoid-page; }
  a { color: inherit; text-decoration: none; }
}