:root{
  --bg:#ffffff;--surface:#f5f7fb;--surface-2:#eef2f8;--text:#172033;--muted:#637087;--line:#e1e7f0;
  --primary:#2856a6;--primary-dark:#173b7a;--accent:#64b6ac;--card:#ffffff;--shadow:0 18px 45px rgba(29,49,85,.09);
  --serif:"Source Serif 4",Georgia,serif;--sans:"Inter",Arial,sans-serif;--radius:18px
}
[data-theme="dark"]{--bg:#101827;--surface:#151f31;--surface-2:#1b2940;--text:#edf2fb;--muted:#a8b5ca;--line:#2b3a52;--primary:#8bb4ff;--primary-dark:#a8c7ff;--accent:#70d2c3;--card:#172338;--shadow:0 18px 45px rgba(0,0,0,.2)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.7;font-size:15px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}.skip-link{position:absolute;top:-50px;left:12px;background:var(--card);padding:10px;z-index:100}.skip-link:focus{top:10px}
.site-header{height:76px;position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 91%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{max-width:1160px;height:100%;padding:0 24px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:24px;letter-spacing:-1.5px;color:var(--text)}.brand span{color:var(--accent)}nav{display:flex;align-items:center;gap:25px}nav a{font-size:12px;font-weight:600;color:var(--muted)}nav a:hover{color:var(--primary);text-decoration:none}.theme-toggle,.menu-toggle{border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--text);width:35px;height:35px;cursor:pointer}.menu-toggle{display:none;border-radius:9px}
.section{max-width:1120px;margin:0 auto;padding:90px 24px}.hero{display:grid;grid-template-columns:1.5fr .8fr;gap:70px;align-items:center;padding-top:95px;padding-bottom:75px;min-height:610px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:800;color:var(--primary);margin:0 0 16px}.hero h1{font-family:var(--serif);font-size:clamp(42px,5.2vw,66px);line-height:1.06;letter-spacing:-2px;margin:0 0 22px}.hero h1 span{color:var(--primary)}.role{font-size:18px;font-weight:700;margin:0}.affiliation{color:var(--muted);margin:3px 0 20px}.hero-summary{font-size:15px;line-height:1.9;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0 25px}.button{display:inline-flex;gap:18px;align-items:center;padding:12px 17px;border-radius:9px;font-size:12px;font-weight:700;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px);text-decoration:none}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-dark);color:#fff}.secondary{border:1px solid var(--line);color:var(--text);background:var(--card)}.social-row{display:flex;gap:20px;flex-wrap:wrap}.social-row a{font-size:11px;font-weight:700;color:var(--muted)}.hero-card{background:var(--surface);padding:28px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);max-width:350px;justify-self:end;width:100%}.avatar{height:190px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#dbe7fa,#e6f4ef);color:#254d89;font-family:var(--serif);font-size:64px;font-weight:700;letter-spacing:-4px}.availability{display:flex;align-items:center;gap:9px;margin:19px 0 22px;font-size:11px;font-weight:600;color:var(--muted)}.status-dot{width:8px;height:8px;background:#3cb58d;border-radius:50%}.quick-facts{border-top:1px solid var(--line)}.quick-facts>div{padding:13px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:1px}.quick-facts strong{font-size:11px}.quick-facts span{font-size:12px;color:var(--muted)}.quick-facts a{color:var(--primary)}
.stats-strip{max-width:1070px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px 12px}.stats-strip div{text-align:center;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:3px;padding:0 10px}.stats-strip div:last-child{border:0}.stats-strip strong{font-family:var(--serif);font-size:32px;color:var(--primary);line-height:1.2}.stats-strip span{font-size:10px;color:var(--muted)}.small-note{max-width:1070px;margin:9px auto 0;padding:0 10px;font-size:10px;color:var(--muted)}
.content-section{padding-top:90px;padding-bottom:90px}.tinted{max-width:none;background:var(--surface)}.tinted>*{max-width:1072px;margin-left:auto;margin-right:auto}.section-heading{margin-bottom:38px}.section-heading h2,.contact-inner h2{font-family:var(--serif);font-size:clamp(32px,4vw,43px);letter-spacing:-1px;line-height:1.2;margin:0 0 14px}.section-intro{max-width:650px;color:var(--muted);margin:0}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:65px}.lead{font-family:var(--serif);font-size:21px;line-height:1.6;margin-top:0}.section-body p:not(.lead){color:var(--muted)}.info-panel{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}.info-panel h3,.subheading{font-size:15px;margin:0 0 22px}.timeline-item{display:grid;grid-template-columns:105px 1fr;gap:14px;padding:0 0 21px;margin-bottom:19px;border-bottom:1px solid var(--line)}.timeline-item:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0}.timeline-date{font-size:11px;font-weight:700;color:var(--primary);padding-top:2px}.timeline-item strong{font-size:13px;display:block;line-height:1.5}.timeline-item p{font-size:12px;color:var(--muted);margin:4px 0 0;line-height:1.6}.muted{color:var(--muted)!important}
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.research-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;transition:transform .2s,box-shadow .2s}.research-card:hover,.activity-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-icon{width:42px;height:42px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center;font-size:20px;color:var(--primary);margin-bottom:19px}.research-card h3{font-size:15px;line-height:1.4;margin:0 0 10px}.research-card p{font-size:12px;color:var(--muted);line-height:1.8}.tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px}.tag-row span{font-size:9px;background:var(--surface);color:var(--muted);padding:4px 7px;border-radius:5px}
.publication-tools{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px;flex-wrap:wrap}.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--card);padding:8px 12px;border-radius:8px;min-width:min(100%,300px);color:var(--muted)}.search-box input{border:0;outline:0;background:transparent;color:var(--text);font-size:12px;width:100%}.filter-row{display:flex;gap:6px}.filter{border:1px solid var(--line);border-radius:7px;padding:8px 12px;background:var(--card);color:var(--muted);font-size:11px;cursor:pointer}.filter.active{background:var(--primary);color:white;border-color:var(--primary)}.publication-list{border-top:1px solid var(--line)}.publication{display:grid;grid-template-columns:135px 1fr;gap:25px;padding:24px 0;border-bottom:1px solid var(--line)}.pub-year{font-size:13px;font-weight:800;color:var(--primary)}.pub-year span{display:block;font-size:8px;letter-spacing:1px;margin-top:5px;color:var(--muted)}.pub-content h3{font-size:15px;line-height:1.55;margin:0 0 7px}.authors,.venue{font-size:11px;color:var(--muted);margin:4px 0}.pub-link{display:inline-block;margin-top:10px;font-size:11px;font-weight:700}.center-action{text-align:center;margin-top:30px}
.experience-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px}.experience-layout .timeline-item{grid-template-columns:100px 1fr}.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.activity-card{background:var(--card);border:1px solid var(--line);padding:23px;border-radius:var(--radius);transition:transform .2s,box-shadow .2s}.activity-year{font-size:10px;color:var(--primary);font-weight:800;letter-spacing:1px}.activity-card h3{font-size:15px;margin:9px 0}.activity-card p{font-size:12px;color:var(--muted);line-height:1.8}.activity-card a{font-size:11px;font-weight:700}
.service-layout{gap:70px}.service-block{border-left:3px solid var(--accent);padding:5px 0 5px 25px}.service-block h3{font-family:var(--serif);font-size:22px;margin:0 0 10px}.service-block p{font-size:12px;color:var(--muted)}.clean-list{padding-left:17px;color:var(--muted);font-size:12px;line-height:2.1}
.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.profile-grid a{border:1px solid var(--line);border-radius:12px;padding:19px;background:var(--card);display:grid;grid-template-columns:1fr auto;gap:3px}.profile-grid a:hover{border-color:var(--primary);text-decoration:none}.profile-grid span{font-size:13px;font-weight:700;color:var(--text)}.profile-grid b{color:var(--primary)}.profile-grid small{grid-column:1/-1;font-size:10px;color:var(--muted)}
.contact-section{background:var(--primary-dark);color:#fff;padding:75px 24px;text-align:center}.contact-inner{max-width:680px;margin:auto}.contact-inner .eyebrow{color:#b7d8ff}.contact-inner h2{color:white}.contact-inner>p:not(.eyebrow){color:#e0eaff;font-size:13px;max-width:570px;margin:0 auto 25px}.light-button{background:#fff;color:#183a76}.site-footer{max-width:1120px;margin:auto;padding:25px 24px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:10px}.site-footer>div{display:flex;gap:20px;flex-wrap:wrap}
@media(max-width:900px){nav{gap:14px}.hero{gap:35px}.cards-grid{grid-template-columns:repeat(2,1fr)}.activity-grid{grid-template-columns:repeat(2,1fr)}.two-col{gap:35px}}
@media(max-width:680px){.site-header{height:65px}.nav-wrap{padding:0 18px}.menu-toggle{display:block}nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:18px 24px 22px;flex-direction:column;align-items:flex-start;gap:17px}nav.open{display:flex}.hero{grid-template-columns:1fr;padding-top:65px;gap:35px;min-height:0}.hero h1{font-size:46px}.hero-card{justify-self:start;max-width:none}.section{padding:65px 20px}.content-section{padding-top:65px;padding-bottom:65px}.stats-strip{margin:0 15px;grid-template-columns:repeat(2,1fr);gap:20px 0}.stats-strip div:nth-child(2){border-right:0}.stats-strip div:nth-child(3),.stats-strip div:nth-child(4){padding-top:12px;border-top:1px solid var(--line)}.small-note{padding:0 20px}.two-col,.experience-layout{grid-template-columns:1fr;gap:35px}.cards-grid,.activity-grid{grid-template-columns:1fr}.publication{grid-template-columns:75px 1fr;gap:15px}.pub-year{font-size:12px}.profile-grid{grid-template-columns:repeat(2,1fr)}.timeline-item{grid-template-columns:88px 1fr}.service-layout{gap:30px}.contact-section{padding:60px 22px}.site-footer{padding:22px 20px;flex-direction:column}.site-footer>div{flex-direction:column;gap:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

.profile-photo{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;object-position:50% 20%;border-radius:14px;background:#fff;border:1px solid var(--line)}
.activity-group-title{font-family:var(--serif);font-size:1.2rem;margin:2.2rem 0 1rem;padding-bottom:.4rem;border-bottom:1px solid var(--line)}.activity-group-title:first-of-type{margin-top:1.2rem}

/* compact spacing + smaller photo */
.section{padding-top:60px;padding-bottom:60px}.content-section{padding-top:56px;padding-bottom:56px}
.hero{min-height:0;padding-top:56px;padding-bottom:40px;gap:48px}
.hero-card{max-width:250px;padding:18px}
.profile-photo{aspect-ratio:1/1;max-height:214px;object-position:50% 15%}
.availability{margin:14px 0 14px}.quick-facts>div{padding:9px 0}
.section-heading{margin-bottom:26px}
.small-note{margin-bottom:0}
@media(max-width:680px){.section{padding-top:44px;padding-bottom:44px}.content-section{padding-top:44px;padding-bottom:44px}.hero{padding-top:40px;gap:24px}.hero-card{max-width:240px}}