:root{
  --paper:#F6F8F9; --paper-2:#EBF0F2; --surface:#FFFFFF; --ink:#16212C; --muted:#53606C; --rule:#CFD8DE;
  --coolant:#0B6A6F; --coolant-2:#0E8A8F; --hot:#C8442E;
  --band:#16212C; --band-text:#E9EEF1; --band-muted:#AEBAC4; --band-rule:#2C3A47; --band-link:#8FE0E3;
  --btn:#16212C; --btn-text:#FFFFFF; --btn-hover:#25333F; --tag-rule:#B5D3D4; --top:rgba(246,248,249,.94);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#15202B; --paper-2:#1A2734; --surface:#1E2C39; --ink:#E7EDF2; --muted:#9DABB8; --rule:#2E3E4C;
  --coolant:#6FD1D4; --coolant-2:#A3E6E8; --hot:#F2876A;
  --band:#0F1821; --band-text:#E7EDF2; --band-muted:#9DABB8; --band-rule:#26343F; --band-link:#8FE0E3;
  --btn:#E7EDF2; --btn-text:#15202B; --btn-hover:#FFFFFF; --tag-rule:#2F5A5E; --top:rgba(21,32,43,.92);
  color-scheme:dark;
}
:root{
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --cond:"IBM Plex Sans Condensed","IBM Plex Sans",system-ui,sans-serif;
  --wrap:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
a{color:var(--coolant);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--coolant-2);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--coolant-2);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:20}
.skip:focus{left:8px}

/* lane switching */
body:not([data-lane="general"]) .only-general,
body:not([data-lane="industry"]) .only-industry,
body:not([data-lane="academic"]) .only-academic,
body[data-lane="academic"] .not-academic{display:none!important}

/* header */
.top{position:sticky;top:0;z-index:10;background:var(--top);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.top-in{display:flex;align-items:center;gap:28px;height:60px}
.brand{font:700 20px/1 var(--cond);color:var(--ink);text-decoration:none;letter-spacing:.01em}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--muted);text-decoration:none;font-size:15px}
.nav a:hover{color:var(--ink)}
.lane{display:flex;align-items:center;gap:2px;border:1px solid var(--rule);border-radius:999px;padding:3px;background:var(--surface)}
.lane a{font:500 14px/1 var(--sans);color:var(--muted);padding:7px 13px;border-radius:999px;text-decoration:none}
.lane a:hover{color:var(--ink)}
.lane a[aria-current="page"]{background:var(--btn);color:var(--btn-text)}
.theme{width:36px;height:36px;border-radius:50%;border:1px solid var(--rule);background:var(--surface);cursor:pointer;display:grid;place-items:center;padding:0;flex:none}
.theme span{width:14px;height:14px;border-radius:50%;background:linear-gradient(90deg,var(--ink) 50%,transparent 50%);border:1.5px solid var(--ink)}
.id{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.photo{width:96px;height:96px;border-radius:50%;object-fit:cover;border:2px solid var(--rule)}
.id .who{margin:0}
.chips{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:14px;padding:5px 12px;border:1px solid var(--tag-rule);border-radius:999px;color:var(--coolant);background:var(--surface)}

/* hero */
.hero{padding:64px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.who{margin:0 0 14px;font-weight:500;color:var(--muted)}
h1{font:700 clamp(36px,4.6vw,58px)/1.04 var(--cond);letter-spacing:-.015em;margin:0 0 22px;max-width:15ch}
.lede{font-size:19px;line-height:1.55;max-width:56ch;margin:0 0 26px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.btn{display:inline-block;padding:12px 20px;border:1.5px solid var(--btn);border-radius:6px;color:var(--ink);text-decoration:none;font-weight:500;font-size:16px}
.btn:hover{background:var(--surface);color:var(--ink)}
.btn.primary{background:var(--btn);color:var(--btn-text)}
.btn.primary:hover{background:var(--btn-hover);color:var(--btn-text)}
.avail{font-size:15px;color:var(--muted);max-width:56ch;margin:0}

.field{margin:0}
.field-frame{position:relative;background:#0B121B;border:1px solid var(--rule);border-radius:10px;padding:14px 48px 14px 14px;box-shadow:0 1px 0 rgba(0,0,0,.04),0 20px 50px -24px rgba(16,33,44,.55)}
#heat{display:block;width:100%;height:auto;border-radius:4px;image-rendering:auto}
.colorbar{position:absolute;right:12px;top:14px;bottom:14px;width:24px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;font:500 10px/1 var(--sans);color:#b8c3cc}
.colorbar i{flex:1;width:8px;margin:6px 0;border-radius:2px;background:linear-gradient(#fcffa4,#f98e09 22%,#bc3754 48%,#57106e 74%,#000004)}
.colorbar span{white-space:nowrap;writing-mode:vertical-rl;transform:rotate(180deg)}
.colorbar.viridis i{background:linear-gradient(#fde725,#5ec962 25%,#21918c 50%,#3b528b 75%,#440154)}
.tailor{font-size:14.5px;color:var(--muted);margin:-8px 0 14px}
.pubs .why{display:block;font-size:15px;margin-top:6px;color:var(--ink);max-width:80ch}
.pubs .links{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:4px;font-size:14px;font-style:normal}
.pubs .oa{color:var(--muted);font-size:13px}
.talks tr.contrib{display:none}
.talks.all tr.contrib{display:table-row}
.timeline .detail{display:block;font-size:15px;color:var(--muted);margin-top:2px;max-width:75ch}
.students-h{margin-top:28px}
.students{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.students blockquote{margin:0;padding:12px 14px;background:var(--surface);border:1px solid var(--rule);border-radius:6px}
.students p{margin:0;font-size:15.5px}
.vk{display:inline-block;font-size:12px;background:rgba(0,0,0,.55);padding:1px 7px;border-radius:999px;margin-right:6px}
.gallery-wrap{margin:8px 0 40px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{margin:0}
.gallery figure:first-child{grid-column:span 2;grid-row:span 2}
.gallery figure:first-child img{height:calc(100% - 28px);aspect-ratio:auto}
.vids-h{margin-top:8px}
.press{margin:0 0 36px;max-width:760px}
.watch{display:inline-block;margin-top:12px;font-weight:600;font-size:15px}
.vid{background:#1c2733}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;display:block;border:1px solid var(--rule)}
.gallery figcaption{font-size:14px;color:var(--muted);margin-top:6px}
.field figcaption{font-size:13.5px;color:var(--muted);margin-top:10px;max-width:60ch}

/* evidence ledger */
.ledger-sec{padding:8px 0 56px}
.ledger{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink)}
.ledger li{padding:18px 20px 20px 0;border-bottom:1px solid var(--rule)}
.ledger li:nth-child(n+5){display:none}
.ledger.open li{display:block}
.ledger b{display:block;font:700 34px/1 var(--cond);margin-bottom:8px;letter-spacing:-.01em}
.ledger span{font-size:14.5px;color:var(--muted);line-height:1.45;display:block;max-width:30ch}
.ledger-more{margin-top:12px;background:none;border:0;padding:0;font:500 15px var(--sans);color:var(--coolant);cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* recruiter facts */
.roles{background:var(--band);color:var(--band-text);padding:56px 0}
.roles-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px}
.roles h2{font:700 30px/1.1 var(--cond);margin:0 0 10px;color:var(--band-text)}
.roles p{color:var(--band-muted);margin:0}
.facts{display:grid;grid-template-columns:140px 1fr;margin:0;gap:0}
.facts dt,.facts dd{padding:12px 0;border-top:1px solid var(--band-rule);margin:0}
.facts dt{color:var(--band-muted);font-size:15px}
.facts dd{font-size:16.5px}

/* sections */
section[id]{padding:80px 0}
section.alt{background:var(--paper-2)}
.sec-h{font:700 34px/1.1 var(--cond);margin:0 0 8px;letter-spacing:-.01em}
.sec-sub{color:var(--muted);margin:0 0 34px;max-width:70ch}
h3{font:600 20px/1.25 var(--cond);margin:0 0 12px}

/* case studies */
.cases{border-top:2px solid var(--ink)}
.case{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:34px 0;border-bottom:1px solid var(--rule)}
.case-meta{font-size:14.5px;color:var(--muted)}
.case-meta .yrs{display:block;font:600 16px var(--cond);color:var(--ink);margin-bottom:4px}
.case h3{font-size:26px;margin-bottom:14px}
.case dl{margin:0;display:grid;grid-template-columns:110px 1fr;gap:8px 18px;max-width:78ch}
.case dt{font-weight:600;font-size:15px;color:var(--muted);padding-top:1px}
.case dd{margin:0}
.case dd.res{font-weight:500}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;padding:0;list-style:none}
.tags li{font-size:13px;color:var(--coolant);border:1px solid var(--tag-rule);padding:2px 9px;border-radius:999px;background:var(--surface)}


/* timeline */
.timeline{list-style:none;margin:28px 0 0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:170px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--hot),#7b2a6b 45%,var(--coolant))}
.timeline li{display:grid;grid-template-columns:170px 1fr;gap:0 34px;padding:0 0 22px;position:relative}
.timeline li::after{content:"";position:absolute;left:165px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--paper-2);border:2px solid var(--ink)}
.timeline li:first-child::after{background:var(--hot);border-color:var(--hot)}
.timeline .when{font-size:14.5px;color:var(--muted);padding-top:2px}
.timeline .role{font-weight:600;display:block}
.timeline .org{color:var(--muted);font-size:15.5px}
.edu{margin:18px 0 0;font-size:15.5px;color:var(--muted);max-width:90ch}

/* three columns */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:30px}
.plain{list-style:none;padding:0;margin:0}
.plain li{padding:10px 0;border-top:1px solid var(--rule);font-size:16px}
.plain li:last-child{border-bottom:1px solid var(--rule)}

/* teaching */
.teach-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.ratings{list-style:none;padding:0;margin:22px 0}
.ratings li{margin-bottom:14px}
.ratings .lab{display:flex;justify-content:space-between;font-size:14.5px;gap:12px}
.ratings .lab b{font:700 17px var(--cond)}
.ratings .bar{height:8px;background:var(--rule);border-radius:4px;margin-top:5px;overflow:hidden}
.ratings .bar i{display:block;height:100%;background:var(--coolant);border-radius:4px}
.small{font-size:14.5px;color:var(--muted)}
.quotes blockquote{margin:0 0 24px;padding:0 0 0 20px;border-left:3px solid var(--coolant)}
.quotes p{font-size:19px;line-height:1.45;margin:0 0 8px}
.quotes footer{font-size:14px;color:var(--muted)}
.quotes footer b{color:var(--ink);font-weight:600}

/* publications */
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px}
.filters button{font:500 14px var(--sans);padding:7px 14px;border:1px solid var(--rule);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--btn);border-color:var(--btn);color:var(--btn-text)}
.search{margin-left:auto}
.search input{font:400 15px var(--sans);padding:8px 12px;border:1px solid var(--rule);border-radius:6px;width:240px;background:var(--surface);color:var(--ink)}
.pubs{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.pubs li{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--rule)}
.pubs .y{font:600 16px var(--cond);color:var(--muted);padding-top:2px}
.pubs .t{font-weight:600;display:block;line-height:1.4}
.pubs .t a{color:var(--ink);text-decoration:none}
.pubs .t a:hover{color:var(--coolant);text-decoration:underline}
.pubs .a{font-size:14.5px;color:var(--muted)}
.pubs .j{font-size:14.5px;font-style:italic}
.pubs .fa{font-size:12.5px;font-weight:600;color:var(--hot);margin-left:6px;font-style:normal}
.pubs .empty{display:block;color:var(--muted);padding:16px 0}

/* talks */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:34px}
.videos:empty{display:none}
.vid{background:#000;border-radius:8px;overflow:hidden;aspect-ratio:16/9;position:relative}
.vid button{all:unset;cursor:pointer;position:absolute;inset:0;display:block}
.vid img{width:100%;height:100%;object-fit:cover;opacity:.85}
.vid .play{position:absolute;left:14px;bottom:12px;right:14px;color:#fff;font-weight:600;font-size:15px;text-shadow:0 1px 6px rgba(0,0,0,.8)}
.vid iframe{width:100%;height:100%;border:0}
.channel{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 24px;background:var(--surface);border:1px solid var(--rule);border-radius:8px}
.channel p{margin:0}
.channel .btn{white-space:nowrap}
.talks{width:100%;border-collapse:collapse;font-size:15.5px}
.talks th{text-align:left;font-weight:600;color:var(--muted);font-size:14px;padding:8px 14px 8px 0;border-bottom:2px solid var(--ink)}
.talks td{padding:11px 14px 11px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.talks td:first-child{font:600 16px var(--cond);width:64px}
.talks td:nth-child(2){width:96px;color:var(--muted)}
.talks .k-Keynote{color:var(--hot);font-weight:600}
.talks .venue{display:block;color:var(--muted);font-size:14px}

/* leadership */
.thesis{font:600 clamp(21px,2.1vw,26px)/1.3 var(--cond);margin:0 0 16px;max-width:34ch;color:var(--ink)}
.track{display:grid;grid-template-columns:repeat(5,1fr);gap:0 24px;border-top:2px solid var(--ink)}
.track-col h3{margin:18px 0 6px;color:var(--coolant)}
.track-col .plain li{font-size:15px}
.visions{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.visions.single{grid-template-columns:1fr;max-width:860px}
.vision h3{font-size:22px;border-top:2px solid var(--ink);padding-top:16px}
.vlist{margin:0;padding-left:22px}
.vlist li{padding:8px 0 8px 4px;border-bottom:1px solid var(--rule)}
.vlist li::marker{font:600 16px var(--cond);color:var(--coolant)}
#leadstyle li{font-size:16px}
details.tools{margin-top:24px;border:1px solid var(--rule);border-radius:6px;padding:12px 16px;background:var(--surface)}
details.tools summary{cursor:pointer;font-weight:600}
details.tools p{margin:10px 0 0;color:var(--muted);font-size:15.5px}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}

/* areas, education */
.areas{display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px;border-top:2px solid var(--ink)}
.area{padding:22px 0;border-bottom:1px solid var(--rule)}
.area h3{margin-bottom:6px}
.area p{margin:0;color:var(--muted);font-size:16px}
.areas.four{grid-template-columns:repeat(4,1fr)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.edu-grid{margin-top:40px}
.inprep-h{margin-top:30px}
.pubs + .inprep-h + .plain li{font-size:15px;color:var(--muted)}
.pubs + .inprep-h + .plain b{color:var(--ink)}

/* advisory */
.adv{display:grid;grid-template-columns:1fr 2fr;gap:48px}
.cols{display:grid;grid-template-columns:1fr;gap:0}

/* contact */
.contact{background:var(--band);color:var(--band-text)}
.contact h2{font:700 clamp(32px,4vw,48px)/1.05 var(--cond);margin:0 0 14px;color:var(--band-text);max-width:14ch}
.contact p{color:var(--band-muted);max-width:46ch}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{display:grid;grid-template-columns:100px 1fr;padding:14px 0;border-top:1px solid var(--band-rule);font-size:18px}
.contact-list span{color:var(--band-muted);font-size:15px;padding-top:3px}
.contact a{color:var(--band-link)}
.foot{padding:26px 0;font-size:14px;color:var(--muted)}

/* responsive */
@media (max-width:980px){
  .nav{display:none}
  .theme{margin-left:auto}
  .hero-grid,.roles-grid,.teach-grid,.adv,.contact-grid{grid-template-columns:1fr;gap:36px}
  .ledger{grid-template-columns:repeat(2,1fr)}
  .three,.two,.areas,.visions{grid-template-columns:1fr}
  .track,.areas.four{grid-template-columns:1fr 1fr}
  .case{grid-template-columns:1fr;gap:10px}
  .videos,.gallery{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .top-in{gap:10px}
  .lane a{padding:7px 9px;font-size:13px}
  .theme{width:32px;height:32px}
  .brand{font-size:18px}
  .hero{padding-top:36px}
  .ledger{grid-template-columns:1fr}
  .ledger li:nth-child(n+4){display:none}
  .ledger.open li{display:block}
  .facts{grid-template-columns:1fr}
  .facts dt{border-top:1px solid var(--band-rule);padding-bottom:0}
  .facts dd{border-top:0;padding-top:4px}
  .case dl{grid-template-columns:1fr;gap:2px}
  .case dd{margin-bottom:10px}
  .timeline::before{left:5px}
  .timeline li{grid-template-columns:1fr;padding-left:28px}
  .timeline li::after{left:0}
  .search{margin-left:0;width:100%}
  .search input{width:100%}
  .videos,.gallery,.students,.track,.areas.four{grid-template-columns:1fr}
  .gallery figure:first-child{grid-column:auto;grid-row:auto}
  .gallery figure:first-child img{height:auto;aspect-ratio:4/3}
  .talks td:nth-child(2){display:none}
  .talks th:nth-child(2){display:none}
  section[id]{padding:60px 0}
}
@media print{
  .top,.cta,.filters,.field,.videos,.lane{display:none}
  body{background:#fff}
  .roles,.contact{background:#fff;color:#000}
}