:root { --paper:#fafaf8; --ink:#20211f; --muted:#62655f; --line:#dedfd9; --accent:#19365b; }
* { box-sizing:border-box; }
html { scroll-padding-top:104px; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.7 Arial,Helvetica,sans-serif; -webkit-font-smoothing:antialiased; }
a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }
a:focus-visible,summary:focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
::selection { background:var(--accent); color:white; }
.wrap { max-width:1120px; margin:auto; padding-inline:40px; }
.accent { color:var(--accent); }
.site-header { position:sticky; top:0; z-index:10; background:var(--paper); min-height:80px; display:flex; align-items:center; justify-content:space-between; gap:24px; border-bottom:1px solid var(--line); }
.wordmark { color:var(--ink); font-size:28px; font-weight:700; letter-spacing:-1.5px; }
nav { display:flex; gap:24px; font-size:16px; }
nav a { color:var(--ink); padding-block:12px; }
h1,h2,h3,p { margin-top:0; }
h1 { font-size:clamp(38px,5vw,60px); font-weight:600; line-height:1.08; letter-spacing:-2px; margin-bottom:20px; }
h2 { font-size:28px; font-weight:600; letter-spacing:-.8px; line-height:1.25; margin-bottom:24px; }
h3 { font-size:18px; font-weight:600; line-height:1.4; margin-bottom:10px; }
p { margin-bottom:16px; }
.hero { display:grid; grid-template-columns:minmax(0,1fr) 240px; align-items:center; gap:64px; padding-block:64px; }
.profile-copy>p { max-width:640px; }
.position { color:var(--accent); font-weight:600; margin-bottom:8px; }
.affiliation { color:var(--muted); font-size:16px; line-height:1.7; }
.profile-copy .intro { font-size:18px; line-height:1.65; max-width:580px; margin-top:24px; }
.portrait { margin:0; position:relative; }
.portrait .portrait-swapped { position:absolute; inset:0; width:100%; height:100%; opacity:0; pointer-events:none; transition:opacity .3s ease; }
.portrait.is-swapped .portrait-swapped { opacity:1; }
.face-drag { position:absolute; left:29%; top:21%; width:43%; height:22%; border:0; background:transparent; border-radius:50%; cursor:grab; touch-action:none; z-index:2; }
.face-drag:focus-visible { outline:2px dashed white; outline-offset:3px; }
.is-dragging .face-drag { cursor:grabbing; }
.swap-status { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
@media(prefers-reduced-motion:reduce) { .portrait .portrait-swapped { transition:none; } }
.portrait img { display:block; width:100%; height:auto; border-radius:8px; }
.hero-links { display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-top:22px; font-size:16px; }
.profile-button { display:inline-flex; align-items:center; justify-content:center; width:44px; height:44px; flex-shrink:0; padding:10px; color:var(--accent); }
.profile-button:hover { color:var(--ink); text-decoration:none; }
.email-copy { display:inline-flex; flex-wrap:wrap; align-items:baseline; gap:6px 12px; }
.email-button { padding:0; border:0; border-bottom:1px solid var(--line); background:none; color:var(--accent); font:inherit; cursor:pointer; user-select:text; }
.email-button:hover { border-bottom-color:var(--accent); }
.email-button:focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
.copy-status { color:var(--muted); font-size:14px; }
main>section:not(.hero) { margin-top:0; padding-block:40px 48px; border-top:1px solid var(--line); }
.section-heading { margin-bottom:28px; }
.section-heading h2 { margin:0; }
.project-list { width:100%; }
.project-entry { padding:28px 0; }
.project-entry:first-child { padding-top:0; }
.project-entry:last-child { padding-bottom:0; }
.project-entry h3 { font-size:20px; margin-bottom:8px; }
.project-entry .entry-date { margin-bottom:16px; }
.project-entry p { margin-bottom:12px; }
.project-entry p:last-child { margin-bottom:0; }
.project-entry .entry-details { color:var(--ink); }
.research-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.research-card { display:flex; flex-direction:column; padding:24px; border-radius:8px; background:#fff; }
.research-card h3 { max-width:340px; }
.research-card p { font-size:16px; color:var(--muted); margin-bottom:12px; }
.card-bottom { font-size:14px; font-weight:600; margin-top:auto; padding-top:16px; }
.card-bottom span { display:block; color:var(--muted); font-weight:400; margin-top:3px; }
details { margin-top:22px; }
summary { cursor:pointer; color:var(--accent); font-size:16px; font-weight:600; padding-block:14px; }
.past-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; padding-block:16px; }
.past-grid p { color:var(--muted); font-size:16px; }
small { color:var(--muted); font-size:14px; }
/* Native reversed-list numbering follows the actual number of publications. */
.publications { list-style:decimal; padding-left:26px; margin:0; }
.publications li { display:list-item; padding:12px 0 12px 12px; margin:0; font-size:14px; line-height:1.55; color:var(--muted); }
.publications li:first-child { padding-top:0; }
.publications li:last-child { padding-bottom:0; }
.publications strong { color:var(--ink); }
.publications li::marker { color:var(--muted); font-size:14px; }
.publication-title { display:inline-block; color:var(--ink); font-size:16px; font-weight:600; line-height:1.45; margin-bottom:4px; }
.venue { color:var(--accent); font-style:italic; }
#background>ul,#experience>ul,#teaching>ul { padding:0; list-style:none; margin:0; }
#background>ul>li,#experience>ul>li,#teaching>ul>li { display:flex; justify-content:space-between; align-items:baseline; gap:24px; padding:18px 0; font-size:16px; }
#background>ul>li:first-child,#experience>ul>li:first-child,#teaching>ul>li:first-child { padding-top:0; }
#background>ul>li:last-child,#experience>ul>li:last-child,#teaching>ul>li:last-child { padding-bottom:0; }
#background>ul>li h3,#experience>ul>li h3,#teaching>ul>li h4 { font-size:16px; margin:0 0 4px; }
#background>ul>li p,#experience>ul>li p,#teaching>ul>li p { margin:0; color:var(--muted); }
.entry-date { flex-shrink:0; color:var(--muted); font-size:14px; font-variant-numeric:tabular-nums; }
.entry-note { font-size:14px; }
.cv-entries { padding:0; margin:0; list-style:none; }
.cv-entries>li { display:flex; justify-content:space-between; align-items:baseline; gap:24px; padding:20px 0; }
.cv-entries>li:first-child { padding-top:0; }
.cv-entries>li:last-child { padding-bottom:0; }
.cv-entries h3 { font-size:16px; margin:0 0 4px; }
.cv-entries p { font-size:16px; color:var(--muted); margin:0; }
.cv-entries .entry-description { margin-top:10px; max-width:720px; }
.entry-details { padding-left:20px; margin:10px 0 0; font-size:16px; color:var(--muted); }
.entry-details li { margin-bottom:6px; }
.cv-details { padding-top:4px; }
.cv-details h3 { font-size:16px; margin:22px 0 6px; }
.cv-details p { font-size:16px; color:var(--muted); max-width:800px; margin-bottom:10px; }
.cv-details .entry-date { font-size:14px; }
.skills-list { display:grid; grid-template-columns:1fr 1fr; gap:24px 40px; margin:0; }
.skills-list dt { font-size:15px; font-weight:600; margin-bottom:6px; }
.skills-list dd { margin:0; font-size:16px; color:var(--muted); }
#teaching>h3 { margin:0 0 22px; color:var(--accent); font-size:21px; font-weight:600; line-height:1.4; }
#teaching>.teaching-subheading { margin-top:40px; }
.teaching-category { margin:0 0 16px; color:var(--muted); font-size:14px; font-weight:600; }
.mentoring-category { margin-top:28px; }
#teaching>.mentoring-group { margin-left:18px; }
#teaching>ul { padding-left:18px; }
.project-list .entry-details,.career-list .entry-details { list-style:disc outside; padding-left:20px; color:var(--muted); font-size:16px; line-height:1.7; }
.project-list .entry-details>li,.career-list .entry-details>li { padding-left:2px; margin:0 0 6px; }
.project-list .entry-details>li:last-child,.career-list .entry-details>li:last-child { margin-bottom:0; }
.project-list .entry-details>li::marker,.career-list .entry-details>li::marker { color:var(--muted); font-size:.8em; }
.project-topic { margin:0 0 10px; color:var(--ink); font-size:16px; font-weight:600; line-height:1.5; }
.career-more { margin-top:10px; }
.career-more summary { padding-block:6px; font-size:14px; }
.career-more .entry-details { margin-top:6px; }
.entry-toggle { width:100%; margin:0; }
.entry-toggle>summary { display:flex; align-items:baseline; gap:20px; list-style:none; color:var(--ink); padding:14px 0; }
.entry-toggle>summary::-webkit-details-marker { display:none; }
.toggle-heading { flex:1; min-width:0; }
.entry-toggle>summary h3 { font-size:18px; line-height:1.45; margin:0 0 5px; }
.toggle-meta { display:block; color:var(--muted); font-size:14px; font-weight:400; }
.entry-toggle>summary>.entry-date { font-weight:400; }
.toggle-icon { position:relative; flex:0 0 20px; width:20px; height:20px; align-self:flex-start; margin-top:4px; color:var(--accent); }
.toggle-icon::before,.toggle-icon::after { content:""; position:absolute; background:currentColor; }
.toggle-icon::before { width:12px; height:2px; left:4px; top:9px; }
.toggle-icon::after { width:2px; height:12px; left:9px; top:4px; }
.entry-toggle[open]>summary .toggle-icon::after { display:none; }
.entry-toggle>summary:hover h3 { color:var(--accent); }
.toggle-body { padding:4px 40px 20px 0; font-size:16px; }
.toggle-body p { margin:0 0 12px; }
.toggle-body p:last-child { margin-bottom:0; }
.toggle-body .entry-details { margin-top:0; }
#experience>.career-list>li,#awards>.cv-entries>li:has(>details) { display:block; padding:0; }
.project-list .entry-toggle + .entry-toggle { margin-top:8px; }
@media(max-width:700px) {
  .entry-toggle>summary { display:grid; grid-template-columns:minmax(0,1fr) 20px; gap:5px 12px; }
  .entry-toggle>summary>.entry-date { grid-column:1; }
  .entry-toggle>summary>.toggle-icon { grid-column:2; grid-row:1; }
  .toggle-body { padding-right:0; }
}
.mentoring-group + .mentoring-group { margin-top:8px; }
.mentoring-group h5 { margin:0 0 4px; font-size:16px; font-weight:600; line-height:1.4; }
.mentoring-count { color:var(--muted); font-size:14px; font-weight:400; white-space:nowrap; }
.mentoring-group .entry-toggle>summary:hover h5 { color:var(--accent); }
.mentoring-group ul { margin:0; padding-left:20px; font-size:16px; color:var(--muted); }
.mentoring-group li { padding-left:2px; margin-bottom:4px; }
.mentoring-group li::marker { color:var(--muted); }
.contact { border-top:1px solid var(--line); padding:28px 0 36px; }
.contact h2 { margin-bottom:20px; }
.contact .email-button { font-size:clamp(17px,3vw,24px); }
.email-link { font-size:17px; }
.contact p { font-size:16px; color:var(--muted); margin:14px 0 0; }
.site-footer { display:flex; justify-content:space-between; gap:20px; border-top:1px solid var(--line); padding-block:20px; font-size:14px; color:var(--muted); }
.page,.post,.related { margin:48px auto; }
.skip-link { position:absolute; top:-80px; left:20px; padding:12px; background:var(--paper); }
.skip-link:focus { top:10px; }
@media(max-width:700px) {
  .wrap { padding-inline:22px; }
  .site-header { min-height:72px; gap:15px; flex-wrap:wrap; padding-block:10px; }
  nav { gap:14px; font-size:14px; }
  .hero { grid-template-columns:1fr; gap:26px; padding-block:32px; }
  h1 { font-size:38px; letter-spacing:-1px; }
  .portrait { width:190px; }
  h2 { font-size:25px; }
  .research-grid,.past-grid { grid-template-columns:1fr; gap:24px; }
  main>section:not(.hero) { padding-block:30px 36px; }
  .profile-copy .intro { font-size:17px; }
  .research-card { padding:20px; }
  #background>ul>li,#experience>ul>li,#teaching>ul>li { flex-direction:column; gap:6px; }
  .cv-entries>li { flex-direction:column; gap:8px; }
  .skills-list { grid-template-columns:1fr; }
  .site-footer { flex-wrap:wrap; }
  .site-footer>span:nth-child(2) { display:none; }
}
.main-nav { align-items:center; gap:22px; font-size:15px; }
.main-nav a[aria-current],.nav-more.has-current>summary { color:var(--accent); text-decoration:underline; text-underline-offset:7px; text-decoration-thickness:2px; }
.nav-more { position:relative; margin:0; }
.nav-more>summary { color:var(--ink); font-size:inherit; font-weight:400; padding-block:12px; }
.nav-menu { position:absolute; top:100%; right:0; width:250px; padding:10px; background:var(--paper); box-shadow:0 8px 28px #20211f20; border-radius:8px; }
.nav-menu a { display:block; padding:9px 12px; font-size:15px; }
.nav-menu a:hover { background:#eeefe9; border-radius:4px; }
@media(max-width:850px) {
  html { scroll-padding-top:180px; }
  .site-header { flex-direction:column; align-items:flex-start; gap:0; padding-block:8px; }
  .main-nav { position:relative; width:100%; flex-wrap:wrap; gap:0 18px; font-size:14px; }
  .nav-more { position:static; }
  .nav-menu { right:0; left:auto; width:240px; max-width:100%; }
}
@media(max-width:420px) {
  .main-nav { gap:0 12px; }
  .nav-menu { left:auto; right:0; }
}
@media print {
  .site-header { position:static; }
  body { background:white; }
  .wrap { padding-inline:0; }
  nav,.site-footer { display:none; }
  .publications li,.research-card { break-inside:avoid; }
}