:root {
  color-scheme: light;
  --background: #f8fafc;
  --text: #243447;
  --muted: #5b6878;
  --accent: #315e86;
  --tint: #eaf2fa;
  --line: #d7e2ed;
  --accent-line: #b6cce0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.65;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 7rem; scrollbar-gutter: stable; }
html:has(.image-viewer[open]) { overflow: hidden; }
body { margin: 0; }
a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
button { font: inherit; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
p { margin: 0 0 1rem; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h3, h4 { font-size: 1.08rem; font-weight: 600; }
strong { font-weight: 600; }
img { display: block; max-width: 100%; height: auto; }
sup { font-size: 0.7em; }
.page, .header-inner { width: min(1040px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 3; padding: 8px 16px; background: white; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 2; border-bottom: 1px solid var(--line); background: var(--background); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; padding-block: 14px; }
.wordmark { font-size: 0.95rem; font-weight: 600; color: var(--text); text-decoration: none; }
.wordmark-dot { color: var(--accent); }
nav { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 24px; font-size: 0.86rem; }
nav a { color: var(--muted); text-decoration: none; padding-block: 5px; }
nav a:hover, nav a:focus-visible { color: var(--accent); }
nav .nav-cv { color: var(--accent); font-weight: 600; }

main > section { margin-bottom: 76px; }
.about { display: grid; grid-template-columns: minmax(0, 1fr) 276px; grid-template-areas: "heading profile" "bio profile" "availability availability"; gap: 32px 72px; padding-top: 80px; }
.about-heading { grid-area: heading; }
h1 { font-size: clamp(1.5rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -0.035em; white-space: nowrap; }
.role { margin: 14px 0 0; font-size: 0.91rem; color: var(--muted); }
.introduction { grid-area: bio; }
.introduction > p { margin-bottom: 24px; font-size: 0.98rem; line-height: 1.65; text-align: left; }
.introduction > p:last-child { margin-bottom: 0; }
.introduction p a { text-decoration-color: var(--accent-line); }
.profile { grid-area: profile; align-self: start; width: 276px; max-width: 100%; }
.portrait { margin: 0; }
.portrait img { width: 216px; margin-inline: auto; aspect-ratio: 1; object-fit: cover; border-radius: 8px; }
.portrait figcaption { padding-top: 14px; text-align: center; color: var(--muted); font-size: 0.78rem; }
.contact-links { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 8px; margin-top: 24px; font-size: 0.85rem; font-weight: 600; }
.contact-links a { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 44px; padding: 8px; background: var(--tint); border: 1px solid var(--accent-line); border-radius: 4px; text-decoration: none; white-space: nowrap; }
.contact-links a:hover { border-color: var(--accent); text-decoration: underline; }
.contact-links svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-cv span { margin-left: 4px; }
.availability { grid-area: availability; margin-top: 16px; background: var(--tint); padding: 28px 32px; border-left: 3px solid var(--accent); border-radius: 0 5px 5px 0; }
.availability h2 { color: var(--accent); font-family: inherit; font-size: 0.99rem; font-weight: 600; margin-bottom: 6px; }
.availability p { margin: 0; font-size: 0.93rem; }

.section-heading { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px 24px; padding-bottom: 17px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.section-heading h2 { font-size: 1.9rem; letter-spacing: -0.025em; }
.section-heading > p { font-size: 0.77rem; color: var(--muted); margin: 0; }
.publication { display: grid; grid-template-columns: 184px minmax(0, 1fr); gap: 30px; padding-block: 28px; border-bottom: 1px solid var(--line); }
.publication-image { align-self: start; width: 184px; max-width: 100%; margin-top: 4px; padding: 0; border: 0; border-radius: 5px; background: white; cursor: zoom-in; }
.publication-image img { border-radius: inherit; }
.image-viewer { width: min(1200px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px); padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--background); color: var(--text); box-shadow: 0 24px 80px #0005; }
.image-viewer[open] { display: flex; flex-direction: column; gap: 20px; }
.image-viewer::backdrop { background: #152638b8; }
.image-viewer-header { display: flex; align-items: start; justify-content: space-between; gap: 24px; }
.image-viewer-header h2 { font: 600 1rem/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.image-viewer-header form { flex-shrink: 0; }
.image-viewer-close { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 12px; border: 1px solid var(--accent-line); border-radius: 4px; background: var(--tint); color: var(--accent); cursor: pointer; }
.image-viewer-close:hover { border-color: var(--accent); }
.image-viewer-close span { font-size: 1.4rem; line-height: 1; }
.image-viewer-content { min-height: 0; overflow: auto; }
.image-viewer-content img { width: auto; max-height: 75dvh; margin-inline: auto; }
.paper-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; font-size: 0.75rem; color: var(--muted); }
.venue-tag { background: var(--tint); color: var(--accent); padding: 2px 8px; border-radius: 3px; font-weight: 600; letter-spacing: 0.025em; }
.publication h3 { margin-bottom: 8px; }
.authors { margin-bottom: 5px; font-size: 0.86rem; }
.venue { color: var(--muted); font-size: 0.82rem; margin-bottom: 0; }
.resource-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.resource-links a { font-size: 0.74rem; font-weight: 600; border: 1px solid var(--accent-line); border-radius: 3px; padding: 3px 10px; text-decoration: none; }
.resource-links a:hover { background: var(--tint); border-color: var(--accent); }
.patents { margin-top: 32px; }
.subsection-title { font-size: 0.81rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); margin-bottom: 23px; }
.patent { margin-top: 24px; padding-left: 20px; border-left: 2px solid var(--line); }
.patent h4 { margin-bottom: 7px; }
.patent h4 a { color: var(--text); text-decoration: none; }
.patent h4 a:hover { color: var(--accent); text-decoration: underline; }
.patent .paper-meta { margin-bottom: 8px; }

.experience-timeline { list-style: none; margin: 24px 0 0; padding: 0; }
.timeline-item { --timeline-axis: 187px; position: relative; display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 0 54px; padding-bottom: 26px; }
.timeline-item::before { content: ""; position: absolute; left: calc(var(--timeline-axis) - 1px); top: 11px; bottom: -11px; width: 2px; background: var(--accent-line); }
.timeline-item::after { content: ""; position: absolute; left: calc(var(--timeline-axis) - 5px); top: 6px; width: 10px; height: 10px; border: 2px solid var(--accent); border-radius: 50%; background: var(--background); }
.timeline-item:first-child::after { background: var(--accent); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item:last-child::before { display: none; }
.timeline-item h3 { font-size: 1rem; margin-bottom: 4px; }
.timeline-item p { margin: 0; }
.timeline-item .position { font-size: 0.88rem; font-weight: 500; }

.credential { display: grid; grid-template-columns: 184px minmax(0, 1fr); gap: 30px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.credential:last-child { border-bottom: 0; padding-bottom: 0; }
.credential h3 { font-size: 1rem; margin-bottom: 4px; }
.credential p { font-size: 0.88rem; margin-bottom: 0; }
.credential .position { font-weight: 500; margin-bottom: 6px; }
.position span { color: var(--muted); font-weight: 400; }
.credential .dates, .dates { color: var(--muted); font-size: 0.79rem; }
.dates > span { display: block; font-size: 0.74rem; }
.awards-list { list-style: none; padding: 5px 20px; margin: 16px 0 0; background: var(--tint); border: 1px solid var(--line); border-radius: 5px; }
.awards-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding-block: 7px; border-bottom: 1px solid var(--line); font-size: 0.85rem; line-height: 1.45; }
.awards-list li:last-child { border-bottom: 0; }
.awards-list .dates { flex-shrink: 0; padding: 2px 7px; border-radius: 3px; background: var(--background); color: var(--accent); font-size: 0.85rem; white-space: nowrap; }

.site-footer { display: flex; justify-content: space-between; align-items: end; gap: 30px; border-top: 1px solid var(--line); padding-block: 35px 45px; }
.site-footer h2 { font-size: 1.8rem; margin-bottom: 9px; }
.site-footer p { max-width: 570px; font-size: 0.9rem; color: var(--muted); margin-bottom: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 0.87rem; }
.back-to-top { flex-shrink: 0; font-size: 0.8rem; }

@media (max-width: 850px) {
  .header-inner { flex-wrap: wrap; gap: 6px 24px; }
  .publication, .credential { grid-template-columns: 160px minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 760px) {
  .about { grid-template-columns: 1fr; grid-template-areas: "heading" "profile" "bio" "availability"; padding-top: 40px; }
  .profile { justify-self: center; }
  .portrait img { width: 160px; }
}

@media (max-width: 620px) {
  html { scroll-padding-top: 9rem; }
  .page, .header-inner { width: calc(100% - 36px); }
  .header-inner { padding-block: 11px; }
  nav { width: 100%; gap: 4px 18px; font-size: 0.78rem; }
  main > section { margin-bottom: 50px; }
  .role { font-size: 0.85rem; }
  .availability { padding: 24px; }
  .section-heading h2 { font-size: 1.65rem; }
  .publication { grid-template-columns: 1fr; gap: 17px; padding-block: 24px; }
  .publication-image { width: 160px; margin-top: 0; }
  .image-viewer { padding: 16px; }
  .image-viewer[open], .image-viewer-header { gap: 16px; }
  .timeline-item { --timeline-axis: 5px; grid-template-columns: 1fr; gap: 4px; padding-left: 28px; }
  .credential { grid-template-columns: 1fr; gap: 6px; padding-block: 20px; }
  .dates > span { display: inline; margin-left: 8px; }
  .awards-list { padding-inline: 14px; }
  .awards-list li { display: block; }
  .awards-list .dates { display: inline-block; margin-left: 6px; vertical-align: baseline; }
  .site-footer { flex-direction: column; align-items: start; padding-block: 28px 35px; }
}