/* Shared editorial layout. Body 16px; section headings 18px; supporting text 14px. */
:root {
  --ink: #292d32;
  --muted: #626971;
  --accent: #285c75;
  --line: #e4e7e9;
  --width: 800px;
  --gutter: 28px;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 28px; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
main, .site-header > nav { width: calc(100% - 2 * var(--gutter)); max-width: var(--width); margin-inline: auto; }
.site-header > nav { display: flex; flex-wrap: wrap; gap: 4px 28px; padding: 22px 0 18px; border-bottom: 1px solid var(--line); }
nav a { color: var(--muted); font-size: .9375rem; line-height: 1.5; padding: 7px 0; }
nav a[aria-current="page"] { color: var(--ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 9px; }
main { padding: 32px 0 28px; }
section { margin: 0 0 24px; }
h1, h2, h3 { color: var(--ink); }
h1 { font-size: 2rem; font-weight: 500; line-height: 1.2; letter-spacing: -.6px; margin: 0 0 12px; }
h2 { font-size: 1.125rem; font-weight: 600; line-height: 1.4; margin: 0 0 10px; }
h3 { font-size: 1rem; font-weight: 600; line-height: 1.5; margin: 0 0 4px; }
p { margin: 0 0 12px; }
section > p:last-child { margin-bottom: 0; }
strong { font-weight: 600; }
small { display: block; color: var(--muted); font-size: .875rem; line-height: 1.45; }
sup { font-size: .7em; line-height: 0; }
ul, ol { margin: 0; padding: 0; }

/* About */
.intro { display: grid; grid-template-columns: minmax(0, 1fr) 128px; gap: 36px; align-items: start; }
.position { margin: 0 0 2px; font-weight: 500; }
.affiliation { margin: 0; }
.affiliation a { color: var(--muted); }
.portrait { margin: 0; align-self: end; }
.portrait img { display: block; width: 100%; height: auto; }
.profile-links { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: .875rem; margin: 16px 0 0; }
.research-list { padding-left: 21px; list-style: disc outside; }
.research-list li { padding-left: 2px; margin-bottom: 3px; }
.research-list li:last-child { margin-bottom: 0; }
#join-us-title { color: var(--accent); }
.recruiting { border-left: 2px solid var(--accent); padding: 0 0 0 16px; margin: 0; }
.recruiting a { font-weight: 600; text-decoration: underline; }
.recruiting-note { display: block; margin-top: 8px; font-size: .875rem; color: var(--muted); }
.news-list, .people-list, .graduate-list, .publications, .teaching-list { list-style: none; }
.news-list > li { display: grid; grid-template-columns: 76px minmax(0, 1fr); column-gap: 20px; margin-bottom: 6px; }
.news-list > li:last-child { margin-bottom: 0; }
time, .news-date { color: var(--muted); font-size: .875rem; font-variant-numeric: tabular-nums; padding-top: 2px; }
.news-list small { margin-top: 5px; }
address { font-style: normal; }

/* Research group: one date column throughout. */
.people-list > li, .person-heading { display: grid; grid-template-columns: minmax(160px, 260px) minmax(0, 1fr); align-items: baseline; gap: 2px 24px; }
.people-list > li { margin-bottom: 3px; }
.people-list > li:last-child { margin-bottom: 0; }
.people-list strong, .person-heading strong { font-weight: 500; }
.people-list > li > span, .person-heading > span { color: var(--muted); font-size: .875rem; font-variant-numeric: tabular-nums; }
.graduate-list > li { margin-bottom: 16px; }
.graduate-list > li:last-child { margin-bottom: 0; }
.graduate-details { color: var(--muted); font-size: .875rem; margin: 7px 0 0; padding-left: 20px; list-style: disc outside; }
.graduate-details > li { margin-bottom: 2px; }
.graduate-details > li:last-child { margin-bottom: 0; }
.member-note { color: var(--muted); font-size: .875rem; margin: 7px 0 0; }

/* Publications: compact controls and consistently grouped citations. */
.publication-tabs { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: -7px 0 18px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.publication-intro { margin-bottom: 16px; }
.publication-intro .profile-links { margin: 0 0 8px; }
.note { color: var(--muted); font-size: .875rem; margin: 0 0 6px; }
.publication-intro > :last-child { margin-bottom: 0; }
.publications > li { margin-bottom: 16px; }
.publications > li:last-child { margin-bottom: 0; }
.authors { color: var(--muted); font-size: .875rem; line-height: 1.45; margin: 0 0 4px; }
.authors strong { color: var(--ink); }
.publication-meta { color: var(--muted); font-size: .875rem; line-height: 1.45; margin: 0; }
.publication-meta strong { color: var(--ink); font-weight: 600; }
.publication-meta a { white-space: nowrap; }
.award { font-size: .875rem; color: var(--accent); margin: 4px 0 0; }

/* Teaching and service */
.teaching-list > li { display: grid; grid-template-columns: 92px minmax(0, 1fr); align-items: baseline; gap: 4px 24px; margin-bottom: 16px; }
.teaching-list > li:last-child { margin-bottom: 0; }
.course-code { color: var(--ink); font-size: 1rem; font-weight: 500; line-height: 1.5; font-variant-numeric: tabular-nums; }
.teaching-list h3 { font-weight: 500; margin-bottom: 3px; }
.course-terms { list-style: none; color: var(--muted); font-size: .875rem; line-height: 1.45; margin: 6px 0 0; }
.course-terms > li { margin: 0 0 2px; }
.service-list { padding-left: 20px; margin: 0; }
.service-list > li { padding-left: 2px; margin-bottom: 3px; }
.service-list > li:last-child { margin-bottom: 0; }

/* Footer and keyboard navigation */
footer { border-top: 1px solid var(--line); padding-top: 20px; color: var(--muted); font-size: .875rem; line-height: 1.45; }
footer p { margin: 0 0 4px; }
.skip-link { position: absolute; left: 16px; top: -100px; background: #fff; padding: 8px 12px; }
.skip-link:focus { top: 10px; }
@media (max-width: 600px) {
  :root { --gutter: 22px; }
  .site-header > nav { column-gap: 20px; padding: 14px 0; }
  main { padding-top: 28px; }
  section { margin-bottom: 22px; }
  .intro { grid-template-columns: minmax(0, 1fr) 96px; gap: 20px; }
  .intro h1 { font-size: 1.75rem; }
  .portrait { align-self: start; }
  .news-list > li { grid-template-columns: 66px minmax(0, 1fr); column-gap: 14px; }
  .people-list > li, .person-heading { grid-template-columns: minmax(0, 1fr) 168px; column-gap: 16px; }
  .publication-tabs { column-gap: 22px; }
  .publications > li { margin-bottom: 16px; }
  .teaching-list > li { grid-template-columns: minmax(0, 1fr); }
  a { overflow-wrap: anywhere; }
}
@media (max-width: 380px) {
  :root { --gutter: 18px; }
  .intro { grid-template-columns: minmax(0, 1fr) 80px; gap: 14px; }
  .people-list > li, .person-heading { grid-template-columns: minmax(0, 1fr); }
  .people-list > li { margin-bottom: 6px; }
}
@media print {
  .site-header, .skip-link { display: none; }
  main { width: 100%; max-width: none; padding: 0; }
  .publications > li, .graduate-list > li, .teaching-list > li { break-inside: avoid; }
}

/* Contact image and compact scholarly links. */
.email-contact { display: flex; flex-wrap: wrap; align-items: center; gap: 3px 8px; margin: 12px 0 0; font-size: .875rem; }
.email-contact img { display: block; width: 194px; max-width: 100%; height: auto; }
.publication-intro { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; }
.publication-intro .note { margin: 0; }
.publication-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: .875rem; }

/* Slightly stronger primary navigation; publication subtabs keep their existing scale. */
.site-header > nav > a { font-size: 1rem; font-weight: 500; }
.site-header > nav > a[aria-current="page"] { font-weight: 600; }

/* Shown only after the visitor has scrolled down. */
.back-to-top {
  position: fixed;
  right: max(16px, calc((100vw - var(--width)) / 2 - 60px));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 10;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--accent);
  cursor: pointer;
}
.back-to-top[hidden] { display: none; }
.back-to-top:hover { border-color: var(--accent); }
.back-to-top:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media print { .back-to-top { display: none; } }

.people-list > li > .graduate-details { grid-column: 1 / -1; margin: 2px 0 5px; }