:root{--bg:#f5f7fa;--surface:#fff;--ink:#1b2430;--muted:#5b6675;--navy:#0a1931;--blue:#185adb;--line:#e3e8ef;--shadow:0 6px 18px rgba(10,25,49,.07);--r:12px}
@media (prefers-color-scheme:dark){:root{--bg:#0e1420;--surface:#16202f;--ink:#e6ebf2;--muted:#9aa7b8;--blue:#8ab8ff;--line:#27344a;--shadow:none}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;font-size:17px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25}
h2{font-size:1.45rem}
a{color:var(--blue)}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.bar{max-width:1080px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.brand{color:#fff;text-decoration:none;font-family:Georgia,serif;font-size:1.15rem;font-weight:700}
nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav a{display:block;color:#cfd9ea;text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:600;font-size:.95rem}
nav a:hover{background:rgba(255,255,255,.1);color:#fff}
nav a.active{background:rgba(255,255,255,.18);color:#fff}
.menu-btn{display:none;background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff;border-radius:8px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer}
@media(max-width:860px){.menu-btn{display:block}nav{display:none;width:100%;padding-bottom:10px}nav.open{display:block}nav ul{flex-direction:column}}
.hero{background:linear-gradient(135deg,#0a1931 0%,#14367f 60%,#185adb 100%);color:#fff;padding:54px 0}
.hero .wrap{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:center}
.hero img{width:200px;height:200px;object-fit:cover;object-position:center top;border-radius:50%;border:4px solid rgba(255,255,255,.35)}
.hero h1{font-size:2.3rem;margin:0 0 4px}
.hero .role{margin:0 0 14px;color:#cfe0ff;font-size:1.05rem}
.hero .lead{max-width:64ch;margin:0 0 20px}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 20px;border-radius:999px;background:#fff;color:#0a1931;text-decoration:none;font-weight:700;border:1px solid #fff}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
@media(max-width:700px){.hero .wrap{grid-template-columns:1fr;text-align:center;justify-items:center}.hero h1{font-size:1.8rem}.btns{justify-content:center}}
.page-head{background:linear-gradient(135deg,#0a1931,#185adb);color:#fff;padding:34px 0}
.page-head h1{margin:0;font-size:2rem}
.page-head p{margin:6px 0 0;color:#cfe0ff}
main{padding-top:28px;padding-bottom:26px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;margin-bottom:24px;box-shadow:var(--shadow)}
.card h2{margin-top:0}
.card h3{margin:1.2em 0 .3em;font-size:1.1rem}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-bottom:24px}
.grid .card{margin:0}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:8px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;text-align:center}
.metric b{display:block;font:700 1.9rem Georgia,serif;color:var(--blue)}
.metric span{color:var(--muted);font-size:.9rem}
.note{color:var(--muted);font-size:.9rem}
.split{display:grid;grid-template-columns:230px 1fr;gap:26px;align-items:start}
.split img{width:100%;border-radius:var(--r)}
@media(max-width:700px){.split{grid-template-columns:1fr}.split img{max-width:230px}}
table.facts{width:100%;border-collapse:collapse}
table.facts th,table.facts td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.facts th{width:34%;color:var(--muted);font-weight:600}
@media(max-width:700px){table.facts th,table.facts td{display:block;width:100%;border:0;padding:4px 0}table.facts tr{display:block;padding:8px 0;border-bottom:1px solid var(--line)}}
.timeline{list-style:none;margin:0;padding:0;border-left:3px solid var(--blue)}
.timeline li{position:relative;padding:0 0 18px 20px}
.timeline li:before{content:"";position:absolute;left:-9px;top:6px;width:15px;height:15px;border-radius:50%;background:var(--blue);border:3px solid var(--surface)}
.timeline time{display:block;color:var(--muted);font-size:.88rem;font-weight:600}
.tools{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 14px}
.tools input{flex:1;min-width:220px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--surface);color:var(--ink)}
.years{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.years a{padding:4px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-weight:600;background:var(--surface)}
.pub-year{margin:28px 0 6px;padding-bottom:6px;border-bottom:2px solid var(--blue);scroll-margin-top:80px}
.pub-year small{font:400 .9rem system-ui,sans-serif;color:var(--muted)}
ol.pubs{list-style:none;margin:0;padding:0}
ol.pubs li{padding:14px 0;border-bottom:1px solid var(--line)}
.pubs .t{font-weight:700}
.pubs .a{color:var(--muted);font-size:.95rem}
.pubs .a b{color:var(--ink)}
.pubs .j{font-style:italic}
.doi{display:inline-block;margin-left:8px;padding:1px 10px;border:1px solid var(--blue);border-radius:999px;font-size:.8rem;text-decoration:none;font-style:normal;white-space:nowrap}
.hidden{display:none!important}
.refs{margin:.4em 0 0;padding-left:1.2em}
.refs li{margin-bottom:.35em}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:14px;flex-wrap:wrap}
.contact-list li b{min-width:150px;color:var(--muted);font-weight:600}
.slideshow-container{display:flex;gap:15px;margin-top:15px;flex-wrap:wrap}
.slideshow{width:calc(25% - 12px);height:230px;border-radius:10px;background-color:var(--line);background-size:cover;background-position:center;cursor:pointer;transition:transform .3s,opacity .3s}
.slideshow:hover{transform:scale(1.03)}
.slideshow.fade{opacity:.35}
@media(max-width:700px){.slideshow{width:calc(50% - 8px);height:170px}}
.lightbox{display:none;position:fixed;z-index:999;inset:0;background:rgba(0,0,0,.9);justify-content:center;align-items:center}
.lightbox img{max-width:92%;max-height:92%;border-radius:10px}
.image-row{display:flex;gap:18px;margin:0 0 24px}
.image-row img{width:50%;height:250px;object-fit:cover;border-radius:var(--r)}
@media(max-width:700px){.image-row{flex-direction:column}.image-row img{width:100%}}
video{width:100%;border-radius:var(--r);margin-top:16px}
.btn-solid,.contact-form button{padding:11px 22px;background:var(--blue);color:#fff;border:0;border-radius:8px;font:inherit;font-weight:700;cursor:pointer}
html:not(.x) .btn-solid{color:#fff}
@media(prefers-color-scheme:dark){.btn-solid,.contact-form button{color:#0a1931}}
.exam-card{margin-top:18px}
.exam-card input[type=radio]{margin-right:8px}
#answers{line-height:2}
#feedback{margin-top:14px;padding:12px 14px;border-left:4px solid var(--blue);background:var(--bg);display:none}
.contact-form{max-width:600px;display:flex;flex-direction:column;gap:14px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--surface);color:var(--ink)}
.contact-form textarea{min-height:140px;resize:vertical}
.site-footer{background:var(--navy);color:#cfd9ea;padding:22px 0;margin-top:20px;font-size:.92rem}
.site-footer p{margin:4px 0}
.site-footer a{color:#fff}
:focus-visible{outline:3px solid #f5b301;outline-offset:2px}