/* Visual idea: the page reads like a document that a text detector has just processed.
   Section headings carry a detection box with a mono label and confidence, like OCR output. */
:root{
  --paper:#F2F3F0; --surface:#FFFFFF; --ink:#15171B; --muted:#5D626A; --line:#D9DCD5;
  --box:#1C6BDB; --box-soft:rgba(28,107,219,.08); --ok:#1E7F4F; --err:#B42318;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --radius:6px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0F1113; --surface:#171A1E; --ink:#E7E9E5; --muted:#9BA1A8; --line:#2A2F35;
    --box:#5E9BFF; --box-soft:rgba(94,155,255,.10); --ok:#4CC38A; --err:#F97066;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1113; --surface:#171A1E; --ink:#E7E9E5; --muted:#9BA1A8; --line:#2A2F35;
  --box:#5E9BFF; --box-soft:rgba(94,155,255,.10); --ok:#4CC38A; --err:#F97066;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans)}
a{color:var(--box);text-underline-offset:3px}
img{max-width:100%}
:focus-visible{outline:2px solid var(--box);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding-inline:20px}

/* header */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:56px;flex-wrap:wrap}
.mark{font-weight:700;letter-spacing:-.01em;text-decoration:none;color:var(--ink);margin-right:auto}
.mark small{font:500 11px var(--mono);color:var(--muted);margin-left:8px}
.top nav{display:flex;gap:4px;flex-wrap:wrap}
.top nav a{color:var(--muted);text-decoration:none;font-size:14px;padding:6px 10px;border-radius:var(--radius)}
.top nav a:hover{color:var(--ink);background:var(--box-soft)}
.iconbtn{background:none;border:1px solid var(--line);color:var(--muted);border-radius:var(--radius);height:32px;min-width:32px;padding:0 10px;font:500 13px var(--sans);cursor:pointer;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.iconbtn:hover{color:var(--ink);border-color:var(--muted)}

/* hero */
.hero{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:center;padding-block:64px 40px}
.face{position:relative;width:220px;aspect-ratio:1}
.face img{width:100%;height:100%;object-fit:cover;border-radius:4px;display:block;filter:saturate(.9)}
.det{position:absolute;inset:-8px;border:2px solid var(--box);border-radius:2px;pointer-events:none}
.det::before,.det::after{content:'';position:absolute;width:10px;height:10px;background:var(--box)}
.det::before{left:-5px;top:-5px}.det::after{right:-5px;bottom:-5px}
.lbl{position:absolute;left:-8px;top:-30px;background:var(--box);color:#fff;font:500 12px var(--mono);padding:3px 8px;border-radius:2px;white-space:nowrap}
.hero h1{font-size:clamp(34px,5vw,52px);line-height:1.05;letter-spacing:-.025em;margin:0 0 6px;text-wrap:balance}
.hero .en{font:500 14px var(--mono);color:var(--muted);margin:0 0 18px}
.hero .role{font-size:19px;font-weight:600;margin:0}
.hero .aff{color:var(--muted);margin:2px 0 18px}
.hero .tagline{font-size:18px;max-width:60ch;margin:0 0 22px}
.links{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}
.links a{display:inline-block;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-size:14px;padding:6px 12px;border-radius:var(--radius)}
.links a:hover{border-color:var(--box);color:var(--box)}

/* sections */
section{padding-block:36px;border-top:1px solid var(--line)}
.h{position:relative;display:inline-block;font-size:24px;letter-spacing:-.01em;margin:14px 0 22px;padding:2px 10px}
.h::before{content:'';position:absolute;inset:0;border:1.5px solid var(--box);border-radius:2px;background:var(--box-soft)}
.h span{position:relative}
.h i{position:absolute;left:-1px;top:-19px;font:500 11px var(--mono);font-style:normal;color:var(--box);white-space:nowrap}
.prose{max-width:68ch}
.prose p{margin:0 0 14px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.cell{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.cell h3{margin:0 0 6px;font-size:17px}
.cell p{margin:0;color:var(--muted);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tags span{font:500 12px var(--mono);color:var(--box);background:var(--box-soft);padding:2px 8px;border-radius:3px}

/* timeline-style rows: experience, publications */
.rows{list-style:none;margin:0;padding:0}
.rows li{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:14px 0;border-bottom:1px dashed var(--line)}
.rows li:last-child{border-bottom:0}
.rows .when{font:500 13px var(--mono);color:var(--muted);padding-top:3px;font-variant-numeric:tabular-nums}
.rows b{display:block;font-weight:600}
.rows .org{color:var(--muted);font-size:15px}
.rows p{margin:4px 0 0;font-size:15px}

/* forms */
form .f{display:grid;gap:6px;margin-bottom:14px}
label{font-size:14px;font-weight:600}
input,textarea,select{width:100%;font:15px var(--sans);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}
textarea{min-height:130px;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--box);box-shadow:0 0 0 3px var(--box-soft)}
.btn{font:600 15px var(--sans);background:var(--box);color:#fff;border:0;border-radius:var(--radius);padding:10px 18px;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn:disabled{opacity:.6;cursor:default}
.btn.ghost{background:none;color:var(--ink);border:1px solid var(--line)}
.msg{font-size:14px;margin:10px 0 0;min-height:1.4em}
.msg.ok{color:var(--ok)}.msg.err{color:var(--err)}
.hp{position:absolute;left:-9999px}
.contact{display:grid;grid-template-columns:1fr 1.3fr;gap:40px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}

footer{border-top:1px solid var(--line);padding-block:24px;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:760px){
  .hero{grid-template-columns:1fr;gap:36px;padding-block:52px 28px}
  .face{width:160px}
  .grid2,.contact,.two{grid-template-columns:1fr}
  .rows li{grid-template-columns:1fr;gap:2px}
  .top nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px}
}
.grid2>:last-child:nth-child(odd){grid-column:1/-1}
.lead{margin:0 0 22px;font-size:17px}