:root{
  --bg:#f7fafc;
  --surface:#ffffff;
  --surface-2:#eef6f8;
  --text:#0f172a;
  --muted:#526274;
  --line:#d7e2e8;
  --brand:#0e7490;
  --brand-2:#0f766e;
  --brand-3:#0369a1;
  --accent:#22d3ee;
  --shadow:0 18px 50px rgba(15,23,42,.08);
  --radius:22px;
  --max:1180px;
}
[data-theme="dark"]{
  --bg:#07111a;
  --surface:#0c1823;
  --surface-2:#102432;
  --text:#e8f0f5;
  --muted:#9fb2c1;
  --line:#203646;
  --brand:#22d3ee;
  --brand-2:#5eead4;
  --brand-3:#7dd3fc;
  --accent:#67e8f9;
  --shadow:0 18px 50px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:20px;top:20px;z-index:999;background:var(--surface);padding:10px 14px;border-radius:10px}
.nav{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(18px);
  background:color-mix(in srgb, var(--bg) 84%, transparent);
  border-bottom:1px solid color-mix(in srgb, var(--line) 75%, transparent);
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{font-weight:850;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand-3),var(--brand-2));
  display:grid;place-items:center;color:white;font-weight:900
}
.nav-links{display:flex;align-items:center;gap:22px;font-size:.94rem;color:var(--muted)}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;display:grid;place-items:center;cursor:pointer;color:var(--text)
}
.menu-btn{display:none}
.hero{
  min-height:calc(100vh - 72px);
  display:grid;align-items:center;
  padding:72px 0 64px;
  position:relative;overflow:hidden
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(5px);pointer-events:none
}
.hero::before{
  width:480px;height:480px;right:-180px;top:-140px;
  background:radial-gradient(circle, color-mix(in srgb,var(--accent) 24%, transparent), transparent 70%)
}
.hero::after{
  width:420px;height:420px;left:-190px;bottom:-180px;
  background:radial-gradient(circle, color-mix(in srgb,var(--brand-2) 22%, transparent), transparent 70%)
}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:64px;align-items:center;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 12px;border:1px solid var(--line);border-radius:999px;
  color:var(--brand);font-weight:750;background:var(--surface);font-size:.9rem
}
.dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 5px rgba(34,197,94,.12)}
h1{font-size:clamp(3.1rem,7vw,6.6rem);line-height:.92;letter-spacing:-.055em;margin:24px 0 22px}
.hero-role{font-size:clamp(1.1rem,2.1vw,1.55rem);color:var(--muted);max-width:800px}
.hero-role strong{color:var(--text)}
.hero-copy{max-width:760px;color:var(--muted);font-size:1.05rem;margin-top:24px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:13px;padding:12px 17px;border:1px solid var(--line);
  background:var(--surface);font-weight:760;transition:.2s ease
}
.btn.primary{background:linear-gradient(135deg,var(--brand-3),var(--brand-2));color:white;border-color:transparent}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.social-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.social-link{font-size:.9rem;color:var(--muted);border-bottom:1px dashed var(--line)}
.social-link:hover{color:var(--brand)}
.profile-card{
  background:var(--surface);border:1px solid var(--line);border-radius:30px;
  padding:18px;box-shadow:var(--shadow);transform:rotate(1deg)
}
.profile-card img{border-radius:22px;aspect-ratio:1/1;object-fit:cover}
.profile-meta{padding:18px 8px 4px}
.profile-meta h3{margin:0 0 4px;font-size:1.18rem}
.profile-meta p{margin:0;color:var(--muted);font-size:.95rem}
.section{padding:94px 0}
.section.compact{padding:70px 0}
.section.alt{background:var(--surface-2);border-block:1px solid var(--line)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:38px}
.kicker{font-size:.82rem;text-transform:uppercase;letter-spacing:.16em;color:var(--brand);font-weight:850}
h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.05;letter-spacing:-.035em;margin:8px 0 0}
.section-lede{max-width:670px;color:var(--muted);margin:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}
.stat strong{font-size:1.95rem;display:block;letter-spacing:-.03em}
.stat span{font-size:.9rem;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.prose-card,.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow)
}
.prose-card p{color:var(--muted);margin:0 0 16px}
.prose-card p:last-child{margin-bottom:0}
.research-visual{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.research-visual img{border-radius:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{padding:7px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);font-size:.86rem;color:var(--muted)}
.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.theme-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;min-height:210px}
.theme-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-3),var(--brand-2));color:#fff;font-weight:900;margin-bottom:18px}
.theme-card h3{margin:0 0 8px;font-size:1.12rem}
.theme-card p{margin:0;color:var(--muted);font-size:.94rem}
.pub-controls{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.filter-btn{border:1px solid var(--line);background:var(--surface);color:var(--muted);padding:9px 12px;border-radius:11px;cursor:pointer}
.filter-btn.active{background:var(--text);color:var(--bg);border-color:var(--text)}
.publications{display:grid;gap:12px}
.pub{
  display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px
}
.pub-year{font-weight:850;color:var(--brand)}
.pub h3{font-size:1rem;margin:0 0 7px;line-height:1.45}
.pub p{margin:0;color:var(--muted);font-size:.9rem}
.pub-status{display:inline-flex;margin-top:9px;font-size:.78rem;padding:5px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
.pub-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.small-link{font-size:.8rem;border:1px solid var(--line);border-radius:9px;padding:6px 9px;color:var(--brand)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:20px}
.news-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:.8rem;margin-bottom:10px}
.news-card h3{font-size:1.05rem;margin:0 0 9px;line-height:1.35}
.news-card p{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.timeline{position:relative;margin-left:8px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline-item{position:relative;padding-left:44px;margin-bottom:26px}
.timeline-item::before{content:"";position:absolute;left:4px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--surface-2)}
.timeline-item h3{margin:0;font-size:1.03rem}
.timeline-item .meta{color:var(--brand);font-size:.86rem;font-weight:720;margin:3px 0 7px}
.timeline-item p{margin:0;color:var(--muted);font-size:.92rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.list-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px}
.list-card h3{margin-top:0}
.clean-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.clean-list li{padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.92rem}
.clean-list li:last-child{border-bottom:0;padding-bottom:0}
.clean-list strong{color:var(--text)}
.contact-card{
  border-radius:28px;padding:44px;
  background:linear-gradient(135deg,#082f49,#0f766e);
  color:white;display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center
}
.contact-card h2{margin:0 0 14px}
.contact-card p{color:#d5eef4;margin:0;max-width:700px}
.contact-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.contact-actions .btn{background:white;color:#0f172a;border-color:transparent}
.footer{padding:30px 0 45px;color:var(--muted);font-size:.88rem}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer a{color:var(--brand)}
.reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
.reveal.visible{opacity:1;transform:none}
.hide{display:none!important}
@media (max-width: 1000px){
  .hero-grid,.about-grid,.contact-card{grid-template-columns:1fr}
  .profile-card{max-width:520px;transform:none}
  .theme-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .contact-actions{justify-content:flex-start}
}
@media (max-width: 760px){
  .nav-links{display:none;position:absolute;top:72px;left:20px;right:20px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
  .menu-btn{display:grid}
  .hero{padding-top:52px}
  .theme-grid,.news-grid,.two-col{grid-template-columns:1fr}
  .pub{grid-template-columns:1fr}
  .pub-links{justify-content:flex-start}
  .section-head{align-items:flex-start;flex-direction:column}
  .stats{grid-template-columns:1fr 1fr}
  h1{font-size:3.4rem}
}
@media (max-width: 480px){
  .container{width:min(100% - 26px,var(--max))}
  .stats{grid-template-columns:1fr}
  .contact-card{padding:28px}
}