:root{--bg:#f4f6fb;--card:#fff;--tx:#0f172a;--mut:#56627a;--ac:#2563eb;--ac2:#7c3aed;--ac3:#06b6d4;--bd:#e2e8f0;--sh:0 10px 30px rgba(15,23,42,.08)}
[data-theme=dark]{--bg:#0b1020;--card:#131a2e;--tx:#e8edf7;--mut:#9aa8c2;--ac:#60a5fa;--ac2:#a78bfa;--ac3:#22d3ee;--bd:#222c46;--sh:0 10px 30px rgba(0,0,0,.4)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font:16px/1.7 "Segoe UI",system-ui,-apple-system,Roboto,sans-serif;background:var(--bg);color:var(--tx)}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25}
a{color:var(--ac);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:auto;padding:0 22px}
nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
nav.sc{background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--bd)}
nav .in{max-width:1080px;margin:auto;display:flex;align-items:center;gap:20px;padding:14px 22px;flex-wrap:wrap}
nav .brand{font:700 1.15rem Georgia,serif;margin-right:auto;color:#fff}
nav.sc .brand{color:var(--tx)}
nav a.l{color:#dbe5ff;font-size:.9rem}nav.sc a.l{color:var(--mut)}nav a.l:hover{color:var(--ac);text-decoration:none}
button{font:inherit;cursor:pointer}
#tt{border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;border-radius:8px;padding:3px 10px}
nav.sc #tt{border-color:var(--bd);color:var(--tx)}
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,#0b1437 0%,#1e1b4b 45%,#4c1d95 100%)}
.hero::before{content:"";position:absolute;inset:0;background:url(assets/hero-moire.svg) center/cover;opacity:.55;animation:drift 40s linear infinite alternate}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(56,189,248,.25),transparent 55%),radial-gradient(circle at 85% 70%,rgba(244,114,182,.25),transparent 50%)}
@keyframes drift{from{transform:scale(1.05) translate(0,0)}to{transform:scale(1.12) translate(-1.5%,1%)}}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:200px 1fr;gap:42px;align-items:center;padding-top:130px;padding-bottom:110px}
.avatar{width:200px;height:200px;border-radius:50%;padding:5px;background:conic-gradient(from 180deg,#38bdf8,#a78bfa,#f472b6,#38bdf8);box-shadow:0 0 50px rgba(124,58,237,.5)}
.avatar>div{width:100%;height:100%;border-radius:50%;background:#14183a;display:grid;place-items:center;font:700 3.6rem Georgia,serif;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.eyebrow{letter-spacing:.2em;font-size:.78rem;color:#7dd3fc;text-transform:uppercase}
.hero h1{font-size:3rem;margin:.2rem 0 .3rem}
.hero .role{font-size:1.15rem;color:#e9d5ff}
.hero .lead{max-width:60ch;color:#cbd5f5;margin:.8rem 0 0}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.btn{padding:9px 20px;border-radius:999px;font-weight:600;font-size:.92rem;border:1px solid rgba(255,255,255,.4);color:#fff;transition:.2s}
.btn:hover{text-decoration:none;transform:translateY(-2px);background:rgba(255,255,255,.12)}
.btn.p{background:linear-gradient(90deg,#2563eb,#7c3aed);border-color:transparent;box-shadow:0 6px 20px rgba(99,102,241,.5)}
.wave{position:absolute;bottom:-1px;left:0;width:100%;height:60px;z-index:3;fill:var(--bg)}
.stats{margin-top:-30px;position:relative;z-index:5}
.stats .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.stat{background:var(--card);border-radius:16px;padding:22px;text-align:center;box-shadow:var(--sh);border-top:4px solid var(--ac)}
.stat:nth-child(2){border-color:var(--ac2)}.stat:nth-child(3){border-color:var(--ac3)}.stat:nth-child(4){border-color:#ec4899}
.stat b{display:block;font:700 2.1rem Georgia,serif;background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--mut);font-size:.85rem}
section{padding:70px 0}
section.alt{background:var(--card)}
h2{font-size:2rem;margin:0 0 6px}
.sub{color:var(--mut);margin:0 0 32px}
h2+.bar,.bar{width:70px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--ac),var(--ac2),#ec4899);margin:10px 0 18px}
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.about img{width:100%;border-radius:16px;box-shadow:var(--sh)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:16px;overflow:hidden;box-shadow:var(--sh);transition:.25s}
.card:hover{transform:translateY(-5px)}
.card img{display:block;width:100%;height:auto}
.card .cb{padding:18px 20px 22px}.card h3{margin:0 0 6px;font-size:1.15rem}.card p{margin:0;color:var(--mut);font-size:.95rem}
.card.t{padding:20px}.card.t h3{margin-top:0}
.tl{position:relative;margin-left:8px;padding-left:30px}
.tl::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:3px;border-radius:3px;background:linear-gradient(var(--ac),var(--ac2),#ec4899)}
.ev{position:relative;background:var(--bg);border:1px solid var(--bd);border-radius:14px;padding:16px 20px;margin-bottom:18px}
section.alt .ev{background:var(--bg)}
.ev::before{content:"";position:absolute;left:-33px;top:22px;width:15px;height:15px;border-radius:50%;background:var(--card);border:4px solid var(--ac)}
.dt{font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--ac2);text-transform:uppercase}
.ev h3{margin:2px 0;font-size:1.12rem}.org{color:var(--mut);font-size:.92rem}.ev p{margin:.4rem 0 0;font-size:.95rem}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.tag{background:color-mix(in srgb,var(--ac) 12%,transparent);color:var(--ac);padding:3px 11px;border-radius:999px;font-size:.8rem;font-weight:600}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.filters button{border:1px solid var(--bd);background:var(--card);color:var(--tx);border-radius:999px;padding:6px 16px;font-size:.88rem}
.filters button.on{background:linear-gradient(90deg,var(--ac),var(--ac2));color:#fff;border-color:transparent}
.pub{display:flex;gap:18px;background:var(--card);border:1px solid var(--bd);border-left:5px solid var(--ac);border-radius:12px;padding:16px 20px;margin-bottom:14px;box-shadow:var(--sh)}
.pub[data-cat=eb]{border-left-color:#7c3aed}.pub[data-cat=mr]{border-left-color:#10b981}.pub[data-cat=mce]{border-left-color:#f97316}.pub[data-cat=magnetism]{border-left-color:#06b6d4}.pub[data-cat=2d]{border-left-color:#ec4899}
.pyr{font:700 1.2rem Georgia,serif;color:var(--ac2);min-width:52px}
.pub h3{margin:0 0 4px;font-size:1.02rem;font-family:"Segoe UI",system-ui,sans-serif;font-weight:600}.pub h3 a{color:var(--tx)}.pub h3 a:hover{color:var(--ac)}
.pa{margin:0;font-size:.88rem;color:var(--mut)}.pj{margin:4px 0 0;font-size:.88rem;color:var(--mut)}
.jb{font-style:italic;color:var(--tx);font-weight:600}.doi{margin-left:8px;padding:1px 10px;border:1px solid var(--ac);border-radius:999px;font-size:.78rem;font-weight:700}
.doi:hover{background:var(--ac);color:#fff;text-decoration:none}
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.skill{background:var(--bg);border:1px solid var(--bd);border-radius:14px;padding:18px 20px}
.skill h3{margin:0;font-size:1.05rem}
.skill h3::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;background:linear-gradient(135deg,var(--ac),var(--ac2))}
ul.plain{margin:6px 0 0;padding-left:20px;color:var(--mut)}ul.plain li{margin-bottom:5px;font-size:.94rem}
.banner{background:linear-gradient(135deg,#0b1437,#4c1d95);color:#fff;text-align:center;position:relative;overflow:hidden;padding:70px 0}
.banner::before{content:"";position:absolute;inset:0;background:url(assets/hero-moire.svg) center/cover;opacity:.3}
.banner .wrap{position:relative}.banner h2{color:#fff}.banner p{color:#cbd5f5;max-width:60ch;margin:0 auto 20px}
footer{background:#070b1a;color:#8b9ac0;text-align:center;padding:30px 0;font-size:.88rem}
#up{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;font-size:1.2rem;box-shadow:var(--sh);opacity:0;pointer-events:none;transition:.3s}
#up.show{opacity:1;pointer-events:auto}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}.reveal.in{opacity:1;transform:none}
@media(max-width:760px){.hero .wrap{grid-template-columns:1fr;text-align:center;justify-items:center;padding-top:110px}.hero h1{font-size:2.2rem}.btns{justify-content:center}.about{grid-template-columns:1fr}.pub{flex-direction:column;gap:4px}nav .l{display:none}}
@media(prefers-reduced-motion:reduce){.hero::before{animation:none}.reveal{opacity:1;transform:none;transition:none}}
@media print{nav,#up,.filters{display:none}.hero{background:#fff;color:#000}.hero::before,.hero::after{display:none}.reveal{opacity:1;transform:none}}