:root {
  --bg: #ffffff;
  --side: #f4f6f8;
  --ink: #17212b;
  --muted: #5a6672;
  --rule: #dde2e7;
  --accent: #1f5f7f;
  --accent-ink: #174a63;
  --mark: #e8f1f6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12171c;
    --side: #171d23;
    --ink: #e6eaee;
    --muted: #9aa6b2;
    --rule: #2a323a;
    --accent: #7fb8d4;
    --accent-ink: #a6d0e4;
    --mark: #1d2a33;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { font-family: "Source Serif 4", Georgia, "Times New Roman", serif; font-weight: 600; line-height: 1.25; margin: 0; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- layout ---------- */
.page { display: grid; grid-template-columns: 320px minmax(0, 1fr); min-height: 100vh; }

.profile {
  position: sticky; top: 0; align-self: start; height: 100vh;
  overflow-y: auto;
  background: var(--side);
  border-right: 1px solid var(--rule);
  padding: 3rem 2rem 2rem;
  display: flex; flex-direction: column;
}
.profile .photo {
  width: 150px; height: 150px; border-radius: 50%;
  object-fit: cover; display: block; margin-bottom: 1.5rem;
  border: 1px solid var(--rule);
}
.profile h1 { font-size: 1.75rem; letter-spacing: -0.01em; }
.profile .role { margin: .4rem 0 0; color: var(--ink); font-weight: 600; font-size: 1rem; line-height: 1.4; }
.profile .where { margin: .25rem 0 0; color: var(--muted); font-size: .95rem; line-height: 1.45; }

.links { margin-top: 1.5rem; font-size: .97rem; }
.links li + li { margin-top: .2rem; }
.links a { text-decoration: none; }
.links a:hover { text-decoration: underline; }
.links a::after { content: " \2197"; font-size: .8em; color: var(--muted); }

.toc { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); font-size: .95rem; }
.toc li + li { margin-top: .15rem; }
.toc a { display: block; padding: .15rem 0 .15rem .75rem; margin-left: -.75rem; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--ink); }
.toc a.on { color: var(--ink); border-left-color: var(--accent); font-weight: 600; }

main { padding: 3.5rem 4rem 4rem; max-width: 56rem; }
section { padding-bottom: 2.75rem; }
section + section { padding-top: 2.75rem; border-top: 1px solid var(--rule); }
section > h2 { font-size: 1.5rem; margin-bottom: 1.25rem; }
.lede { font-size: 1.25rem; line-height: 1.55; font-family: "Source Serif 4", Georgia, serif; }

/* ---------- content blocks ---------- */
.themes { display: grid; gap: 1.5rem; }
.theme h3 { font-size: 1.1rem; margin-bottom: .25rem; }
.theme p { margin: 0; color: var(--ink); }

.news li { display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem; padding: .35rem 0; }
.news time, .date { color: var(--muted); font-size: .93rem; font-variant-numeric: tabular-nums; }

.pubs-label { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 1.75rem 0 .75rem; font-weight: 600; }
.pubs-label:first-of-type { margin-top: 0; }
.pub { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1rem; padding: .6rem 0; }
.pub .yr { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .95rem; padding-top: .1rem; }
.pub .t { font-weight: 600; display: block; }
.pub .a { display: block; color: var(--muted); font-size: .97rem; }
.pub .a b { color: var(--ink); font-weight: 600; }
.pub .v { display: block; font-size: .97rem; }
.pub .v i { font-style: italic; }
.tag { display: inline-block; margin-left: .4rem; padding: 0 .45rem; font-size: .75rem; line-height: 1.5; background: var(--mark); color: var(--accent-ink); border-radius: 3px; font-style: normal; }

.entry { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; padding: .75rem 0 1rem; }
.entry h3 { font-size: 1.08rem; }
.entry .org { color: var(--muted); font-size: .97rem; margin: .1rem 0 .5rem; }
.entry ul { padding-left: 1.1rem; list-style: disc; }
.entry li { margin-bottom: .35rem; padding-left: .1rem; }
.entry li::marker { color: var(--muted); }
.entry p { margin: 0; }

.skills { display: grid; grid-template-columns: 9.5rem 1fr; gap: .6rem 1rem; margin: 0; }
.skills dt { font-weight: 600; }
.skills dd { margin: 0; }

.contact-list li { padding: .15rem 0; }
.contact-list span { display: inline-block; min-width: 7rem; color: var(--muted); }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 0 0 .5rem; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; border-radius: 4px; border: 1px solid var(--rule); background: var(--side); }
.gallery img.top { object-position: 50% 25%; }
.gallery.certs { margin-top: 1.25rem; }
.gallery.certs img { aspect-ratio: auto; object-fit: contain; background: #fff; }
.gallery figcaption { margin-top: .5rem; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.gallery + .pubs-label { margin-top: 2rem; }
.entry + .pubs-label { margin-top: 1.75rem; }
.diplomas { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 1.25rem; align-items: start; }
.diplomas figure { margin: 0; }
.diplomas img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); border-radius: 4px; background: #fff; }
.diplomas figcaption { margin-top: .5rem; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.press-feature { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 1.25rem; align-items: center; padding: .4rem 0 .6rem; }
.press-feature img { width: 100%; height: auto; display: block; border-radius: 4px; border: 1px solid var(--rule); }
.press-feature b { font-weight: 600; }
.press-feature + .press-feature { margin-top: .6rem; }
.press-feature span { display: block; color: var(--muted); font-size: .95rem; margin-top: .15rem; }
.press-feature blockquote { margin: .9rem 0 0; padding-left: .9rem; border-left: 2px solid var(--accent); font-family: "Source Serif 4", Georgia, serif; font-size: 1.05rem; line-height: 1.5; }
.press-feature cite { display: block; margin-top: .25rem; font: normal .88rem/1.4 "Source Sans 3", system-ui, sans-serif; color: var(--muted); }

.zoomable { cursor: zoom-in; }
#lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; width: 100%; color: #fff; overflow: visible; }
#lightbox::backdrop { background: rgba(8, 12, 16, .88); }
#lightbox[open] { display: flex; flex-direction: column; align-items: center; justify-content: center; margin: auto; }
#lightbox img { max-width: 96vw; max-height: 84vh; width: auto; height: auto; object-fit: contain; cursor: zoom-out; border-radius: 3px; background: #fff; }
.lb-cap { margin: .75rem 1rem 0; max-width: 46rem; text-align: center; font-size: .95rem; line-height: 1.45; color: #e6eaee; }
.lb-nav { position: fixed; top: 50%; transform: translateY(-50%); width: 2.75rem; height: 3.5rem; border: 0; border-radius: 6px; background: rgba(255,255,255,.15); color: #fff; font-size: 2rem; line-height: 1; cursor: pointer; }
.lb-nav:hover { background: rgba(255,255,255,.28); }
.lb-nav[hidden] { display: none; }
.lb-prev { left: .75rem; }
.lb-next { right: .75rem; }
.lb-count { margin: .25rem 0 0; font-size: .85rem; color: #aab4be; font-variant-numeric: tabular-nums; }
.lb-close { position: fixed; top: .75rem; right: 1rem; width: 2.5rem; height: 2.5rem; border: 0; border-radius: 50%; background: rgba(255,255,255,.15); color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.lb-close:hover { background: rgba(255,255,255,.28); }
.with-photo { display: grid; grid-template-columns: minmax(0, 1fr) 12.5rem; gap: 1.5rem; align-items: start; }
.with-photo p:last-child { margin-bottom: 0; }
.entry-photos { display: grid; gap: 1rem; margin-top: .25rem; }
.entry-photo { margin: 0; }
.entry-photo img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); border-radius: 4px; }
.entry-photo figcaption { margin-top: .4rem; color: var(--muted); font-size: .85rem; }
/* grouped thumbnail rows: photos, certificates, diplomas */
.thumbs { display: flex; flex-wrap: wrap; gap: .9rem 1rem; align-items: flex-start; margin-top: .6rem; }
.thumbs figure { display: table; margin: 0; }
.thumbs img { display: block; height: var(--h, 8rem); width: auto; max-width: 100%; border: 1px solid var(--rule); border-radius: 4px; background: #fff; transition: box-shadow .15s ease, transform .15s ease; }
.thumbs img:hover { box-shadow: 0 3px 10px rgba(0,0,0,.18); transform: translateY(-1px); }
.thumbs figcaption { display: table-caption; caption-side: bottom; padding-top: .35rem; color: var(--muted); font-size: .85rem; line-height: 1.35; }
.thumbs.sm { --h: 6.5rem; }
.thumbs.md { --h: 8.5rem; }
.thumbs.lg { --h: 11rem; }
.thumbs.photos { --h: 12rem; }
.group { margin: 0 0 2rem; }
.group h4 { margin: 0; font: 600 1.05rem/1.3 "Source Serif 4", Georgia, serif; }
.group p { margin: .15rem 0 0; color: var(--muted); font-size: .95rem; }
.entry .thumbs { margin-bottom: .25rem; }

.with-photo.cert { grid-template-columns: minmax(0, 1fr) 11.5rem; align-items: start; }
.press li { padding: .4rem 0; }
.press li > span { display: block; color: var(--muted); font-size: .95rem; }

.name-note { color: var(--muted); font-size: .95rem; margin-top: 1.5rem; }
.name-note bdi { font-size: 1.1em; }

footer { margin-top: 1rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }

/* ---------- smaller screens ---------- */
@media (max-width: 960px) {
  .page { display: block; }
  .profile { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--rule); padding: 2rem 1.25rem 1.5rem; }
  .profile .photo { width: 110px; height: 110px; margin-bottom: 1rem; }
  .toc { margin-top: 1.25rem; padding-top: 1rem; }
  .toc ul { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; }
  .toc a { padding: 0; margin: 0; border: 0; border-bottom: 2px solid transparent; }
  .toc a.on { border-left: 0; border-bottom-color: var(--accent); }
  main { padding: 2rem 1.25rem 3rem; }
}
@media (max-width: 600px) {
  body { font-size: 16.5px; }
  .news li, .pub, .entry, .skills { grid-template-columns: 1fr; gap: .1rem; }
  .skills dd { margin-bottom: .6rem; }
  .lede { font-size: 1.15rem; }
  .gallery, .diplomas, .press-feature, .with-photo { grid-template-columns: 1fr; }
  .thumbs.lg, .thumbs.photos { --h: 9rem; }
  .thumbs.sm { --h: 5.5rem; }
  .thumbs.md { --h: 7rem; }
  .with-photo.cert { grid-template-columns: 1fr; }
  .entry-photo { max-width: 16rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .profile { position: static; height: auto; background: none; border: 0; }
  .page { display: block; }
  .toc { display: none; }
  main { padding: 0; }
}