*,*::before,*::after{box-sizing:border-box}
:root{
  --paper:#fbfaf7; --paper-2:#f3f1ec; --ink:#1c1b1f; --muted:#6b675f;
  --line:#1c1b1f; --soft:#e6e2da; --accent:#b8432a;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
:root[data-theme="dark"]{
  --paper:#121210; --paper-2:#1a1917; --ink:#ece8df; --muted:#9b958a;
  --line:#ece8df; --soft:#2a2823; --accent:#ec7a5c;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:19px;line-height:1.6;font-optical-sizing:auto}
::selection{background:var(--accent);color:var(--paper)}
a{color:inherit;text-decoration:underline;text-decoration-color:var(--soft);text-decoration-thickness:1px;text-underline-offset:3px;transition:color .15s,text-decoration-color .15s}
a:hover{color:var(--accent);text-decoration-color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}

/* ---------- layout ---------- */
.shell{display:flex;min-height:100vh;max-width:1240px;margin:0 auto}
.side{width:300px;flex:none;border-right:1px solid var(--soft);padding:56px 36px 36px;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:24px}
.main{flex:1;min-width:0;padding:64px 72px 48px;max-width:860px}

/* ---------- sidebar ---------- */
.photo{width:100%;height:auto;flex:none;aspect-ratio:4/5;object-fit:cover;object-position:50% 25%;display:block;background:var(--paper-2);border-radius:2px}
.name{font-size:30px;line-height:1.1;font-weight:600;margin:0;letter-spacing:-.01em}
.role{margin:8px 0 0;color:var(--muted);font-size:16px;line-height:1.45}
.role a{color:var(--muted);text-decoration:none}
.role a:hover{color:var(--accent)}
.links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.links a{display:flex;justify-content:space-between;align-items:center;padding:4px 0;text-decoration:none;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.links a:hover{color:var(--ink)}
.links a span{opacity:0;transition:opacity .15s,transform .15s}
.links a:hover span{opacity:1;transform:translateX(2px);color:var(--accent)}
.cv-note{font-size:15px;color:var(--muted);margin:0}
.side-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:12px}
.theme-btn{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;background:none;color:var(--muted);border:0;padding:4px 0;cursor:pointer}
.theme-btn:hover{color:var(--accent)}

/* nav */
.nav{display:flex;gap:22px;border-bottom:1px solid var(--soft)}
.nav a{text-decoration:none;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 0 10px;margin-bottom:-1px;border-bottom:1.5px solid transparent}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- main ---------- */
.kicker{display:flex;flex-wrap:wrap;gap:4px 22px;margin:0 0 20px;color:var(--muted)}
.lede{font-size:30px;line-height:1.3;margin:0 0 36px;font-weight:500;letter-spacing:-.012em;max-width:720px}
.lede em{font-style:italic;color:var(--accent)}

.available{border-left:2px solid var(--accent);background:var(--paper-2);padding:16px 22px;display:flex;gap:18px;align-items:flex-start;margin:0 0 60px}
.available .tag{flex:none;display:inline-flex;align-items:center;gap:8px;color:var(--ink);margin-top:5px}
.dot{width:7px;height:7px;border-radius:50%;background:#2fb562;flex:none}
.available p{margin:0;font-size:18px}
.available small{display:block;color:var(--muted);font-size:15.5px;margin-top:4px}

section{margin:0 0 60px}
h2{font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 22px;padding-bottom:9px;border-bottom:2px solid var(--line);display:flex;justify-content:space-between;align-items:baseline}
h2 a{font-size:11.5px;text-decoration:none;color:var(--muted)}
p{margin:0 0 16px}

/* research */
.themes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--soft);border-left:1px solid var(--soft)}
.theme{padding:18px 22px 20px;border-right:1px solid var(--soft);border-bottom:1px solid var(--soft)}
.theme .n{font-family:var(--mono);font-size:11.5px;color:var(--accent);letter-spacing:.08em}
.theme h3{margin:2px 0 6px;font-size:19.5px;font-weight:600;line-height:1.3}
.theme p{margin:0;font-size:16.5px;color:var(--muted);line-height:1.5}

/* press */
.press{display:flex;flex-wrap:wrap;gap:6px 22px}
.press a{font-size:17px;text-decoration:none;color:var(--ink)}
.press a:hover{color:var(--accent)}
.press-note{font-size:17px;color:var(--muted);margin:0 0 12px}

/* news */
.news{list-style:none;margin:0;padding:0}
.news li{display:grid;grid-template-columns:88px 1fr;gap:20px;padding:7px 0;font-size:17.5px;line-height:1.5}
.news .d{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:3px;letter-spacing:.03em}
.badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-left:4px;vertical-align:1px;white-space:nowrap}

/* publications */
.pubs{list-style:none;margin:0;padding:0}
.pub{padding:16px 0;border-top:1px solid var(--soft)}
.pub:first-child{border-top:0;padding-top:0}
.pub .t{font-size:18.5px;font-weight:600;line-height:1.35;margin:0 0 4px}
.pub .t a{text-decoration:none}
.pub .a{font-size:16px;color:var(--muted);margin:0}
.pub .a b{color:var(--ink);font-weight:600}
.pub .v{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;margin-top:6px;display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center;color:var(--muted)}
.pub .v .venue{color:var(--accent)}
.pub .v .badge{margin:0}
.pub .v a{text-decoration:none;color:var(--muted)}
.pub .v a:hover{color:var(--accent)}
.compact .pub{padding:12px 0}
.compact .pub:first-child{padding-top:12px;border-top:1px solid var(--soft)}
.compact .pub .t{font-size:17px}

details{border-top:1px solid var(--soft);margin-top:28px}
details+details{margin-top:0}
details:last-of-type{border-bottom:1px solid var(--soft)}
summary{cursor:pointer;list-style:none;padding:14px 0;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between}
summary:hover{color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:16px;line-height:1}
details[open] summary::after{content:"−"}
.patents{margin:0 0 16px;padding-left:20px;font-size:16.5px}
.patents li{margin:0 0 6px}

.contact{padding:0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 16px;align-items:baseline}
.contact .big{font-size:19px;font-weight:500;margin:4px 0 0}
.foot{margin-top:36px;color:var(--muted);font-size:14px}

/* projects */
.intro{font-size:18px;color:var(--muted);max-width:680px;margin:0 0 44px}
.projects{list-style:none;margin:0;padding:0}
.project{padding:26px 0;border-top:1px solid var(--soft)}
.project:first-child{border-top:0;padding-top:0}
.project .meta{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center;margin-bottom:8px;color:var(--muted)}
.status{display:inline-flex;align-items:center;gap:7px;color:var(--ink)}
.status .dot{background:#d9981d}
.project h3{font-size:22px;line-height:1.3;margin:0 0 6px;font-weight:600}
.project .sum{margin:0 0 12px;font-size:17.5px;color:var(--muted)}
.project ul.done{margin:0 0 14px;padding-left:20px;font-size:16.5px;color:var(--muted)}
.project ul.done li{margin:0 0 5px}
.tags{display:flex;flex-wrap:wrap;gap:4px 14px}
.tags span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.project .role{font-size:15.5px;margin:0 0 12px}
.more-link{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--accent)}
.more-link:hover{text-decoration:underline}
.project h3 a{text-decoration:none}
.project .go{display:inline-block;margin-top:12px}

/* project detail pages */
.crumb{display:inline-block;margin:0 0 28px;text-decoration:none;color:var(--muted)}
.crumb:hover{color:var(--accent)}
.detail-meta{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center;margin:0 0 12px;color:var(--muted)}
.pill-links{display:flex;flex-wrap:wrap;gap:6px 22px;margin:0 0 44px}
.pill-links a{text-decoration:none;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.pill-links a:hover{text-decoration:underline}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}
.prose li{margin:0 0 6px}
.placeholder{background:var(--paper-2);padding:16px 20px;color:var(--muted);font-size:17px;margin:0}
.result{margin:0 0 28px}
.result figure{margin:0}
.result img{max-width:100%;height:auto;display:block;background:#fff}
.result figcaption{font-size:15.5px;color:var(--muted);margin-top:8px}
.table-wrap{overflow-x:auto;margin:0 0 8px}
table.results{border-collapse:collapse;width:100%;font-size:16px}
table.results th,table.results td{padding:8px 10px;border-bottom:1px solid var(--soft);text-align:left}
table.results th{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;border-bottom:1px solid var(--line)}
table.results td.num{text-align:right;font-variant-numeric:tabular-nums}
.bench{list-style:none;padding:0;margin:0 0 16px}
.bench li{display:grid;grid-template-columns:190px 1fr;gap:16px;padding:8px 0;border-top:1px solid var(--soft);font-size:17px}
.bench b{font-weight:600}
.prose .bench{padding-left:0}
.updates{list-style:none;margin:0;padding:0}
.updates li{display:grid;grid-template-columns:88px 1fr;gap:20px;padding:7px 0;font-size:17.5px}
.updates .d{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:3px}
.bib{position:relative}
.bib pre{margin:0;background:var(--paper-2);padding:18px 20px;overflow-x:auto;font-family:var(--mono);font-size:12.5px;line-height:1.6;white-space:pre}
.copy-btn{position:absolute;top:10px;right:12px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;background:none;color:var(--muted);border:0;padding:4px 0;cursor:pointer}
.copy-btn:hover{color:var(--accent)}
.cite-note{font-size:16px;color:var(--muted);margin:0 0 12px}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .main{padding:52px 44px 44px}
  .side{width:270px;padding:44px 28px 28px}
}
@media (max-width:820px){
  body{font-size:18px}
  .shell{flex-direction:column}
  .side{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--soft);padding:28px 16px 22px;display:grid;grid-template-columns:104px 1fr;column-gap:18px;row-gap:16px;align-items:start}
  .photo{grid-row:span 2}
  .side-id{align-self:end}
  .name{font-size:26px}
  .nav,.links,.cv-note,.side-foot{grid-column:1/-1}
  .links{flex-direction:row;flex-wrap:wrap;gap:4px 18px}
  .links a span{display:none}
  .main{padding:36px 16px 32px}
  .lede{font-size:24px;margin-bottom:28px}
  .available{flex-direction:column;gap:8px;margin-bottom:48px}
  section{margin-bottom:48px}
  .themes{grid-template-columns:1fr}
  .theme{padding:16px 16px 18px}
  .news li,.updates li,.bench li{grid-template-columns:1fr;gap:0;padding:8px 0}
  .project h3{font-size:20px}
  .bib pre{padding-top:40px}
  .contact .big{font-size:17px;word-break:break-all}
}
@media print{
  .side{position:static;height:auto}
  .theme-btn,.dot{display:none}
  details{display:block}
}