/* Structure and palette are independent: three compositions, five palettes. */
.layout-preview{width:49px;height:34px;display:grid;gap:3px;padding:4px;border:1px solid var(--soft-border);flex-shrink:0}
.layout-preview i{background:var(--ink);opacity:.65}.preview-classic{grid-template-columns:1fr 1fr}.preview-classic i:first-child{grid-row:span 2}.preview-orbit{grid-template-columns:1fr 1fr 1fr;align-items:center}.preview-orbit i{height:12px}.preview-orbit i:nth-child(2){height:23px;border-radius:50%}.preview-matrix{grid-template-columns:1fr 1.6fr}.preview-matrix i:first-child{grid-row:span 2}.preview-matrix i:last-child{opacity:.25}
.header-controls{gap:18px}nav{gap:22px}.layout-picker summary{gap:8px}.layout-picker .theme-panel{width:290px}
.theme-picker:not(.layout-picker) .theme-status{font-size:10px}
/* Molecular observatory: a centered identity, three separate visual anchors. */
:root[data-layout="orbit"] .hero{display:grid;grid-template-columns:minmax(160px,.7fr) minmax(300px,1.35fr) minmax(260px,1fr);grid-template-rows:auto auto auto 380px;column-gap:34px;row-gap:0;padding:40px 0 38px;min-height:0;position:relative}
:root[data-layout="orbit"] .hero-copy,:root[data-layout="orbit"] .hero-visual{display:contents}
:root[data-layout="orbit"] .hero-copy>.eyebrow{grid-column:1/-1;grid-row:1;justify-content:center;font-size:9px;letter-spacing:3px}
:root[data-layout="orbit"] .hero h1{grid-column:1/-1;grid-row:2;text-align:center;font-family:var(--sans);font-size:72px;letter-spacing:12px;font-weight:350;margin:18px 0 0;line-height:1.2}
:root[data-layout="orbit"] .hero h1>span{display:inline-block;font-family:Georgia,serif;font-style:normal;font-size:25px;letter-spacing:1px;font-weight:400;border-left:1px solid var(--soft-border);padding-left:28px;margin:0 0 0 22px;vertical-align:middle}
:root[data-layout="orbit"] .professor-title{grid-column:1/-1;grid-row:3;text-align:center;margin:17px 0 15px;font-size:12px}
:root[data-layout="orbit"] .professor-title>span{display:inline;margin-left:18px;font-size:12px}
:root[data-layout="orbit"] .hero-rule{display:none}
:root[data-layout="orbit"] .research-intro{grid-column:3;grid-row:4;align-self:center;position:relative;z-index:1}
:root[data-layout="orbit"] .hero h2{font-size:23px;line-height:1.7;letter-spacing:1px;margin:0}
:root[data-layout="orbit"] .middle-dot{display:block;height:10px;font-size:0;padding:0}
:root[data-layout="orbit"] .hero-description{font-size:12px;margin-top:20px;max-width:330px}
:root[data-layout="orbit"] .hero-actions{flex-wrap:wrap;gap:18px;margin-top:22px}
:root[data-layout="orbit"] .hero-actions .button{padding:11px 17px;gap:20px}
:root[data-layout="orbit"] .molecule-scene{position:relative;grid-column:2;grid-row:4;top:auto;left:auto;width:100%;height:auto;aspect-ratio:1;align-self:center;z-index:0;background:radial-gradient(circle,var(--panel),transparent 68%)}
:root[data-layout="orbit"] .portrait{position:relative;grid-column:1;grid-row:4;right:auto;top:auto;align-self:center;justify-self:center;width:min(100%,185px);box-shadow:none;border:1px solid var(--line);padding:8px;background:var(--white)}
:root[data-layout="orbit"] .portrait>img{height:auto;aspect-ratio:466/584}
:root[data-layout="orbit"] .portrait figcaption{padding:13px 2px 5px;font-size:10px;gap:8px}
:root[data-layout="orbit"] .portrait figcaption>span+span{font-size:6px;letter-spacing:1px}
:root[data-layout="orbit"] .visual-top,:root[data-layout="orbit"] .visual-grid,:root[data-layout="orbit"] .hero-visual:after{display:none}
:root[data-layout="orbit"] .molecule-label{position:relative;left:auto;bottom:auto;grid-column:2;grid-row:4;align-self:end;justify-self:center;z-index:1;padding:10px 20px;background:var(--paper);gap:10px}
:root[data-layout="orbit"] .molecule-formula{font-size:27px}
:root[data-layout="orbit"] .molecule-label>span+span{font-size:7px;display:block}
:root[data-layout="orbit"] .focus-strip{border:0;background:var(--surface)}
:root[data-layout="orbit"] .focus-strip>.wrap{grid-template-columns:1.2fr repeat(4,1fr);padding-block:23px}
:root[data-layout="orbit"] .biography{grid-template-columns:1fr;gap:35px}
:root[data-layout="orbit"] .bio-sidebar{display:grid;grid-template-columns:1fr 1.5fr;column-gap:40px}
:root[data-layout="orbit"] .bio-sidebar>.eyebrow,:root[data-layout="orbit"] .bio-sidebar>h2,:root[data-layout="orbit"] .bio-sidebar>.serif-note,:root[data-layout="orbit"] .bio-sidebar>.text-link{grid-column:1;justify-self:start}
:root[data-layout="orbit"] .teaching{grid-column:2;grid-row:1/5;margin:0;border-left:1px solid var(--line);padding-left:40px;display:grid;grid-template-columns:1fr 1fr;column-gap:24px;align-content:center}
:root[data-layout="orbit"] .teaching>.eyebrow,:root[data-layout="orbit"] .teaching>h3{grid-column:1/-1}
:root[data-layout="orbit"] .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;border-top:1px solid var(--line);padding-top:28px}
:root[data-layout="orbit"] .timeline li{display:block;border:0;padding:0 16px 12px 0;border-right:1px solid var(--line)}
:root[data-layout="orbit"] .timeline-date{display:block;font-family:var(--sans);font-weight:300;font-size:23px;margin-bottom:16px;color:var(--red)}
:root[data-layout="orbit"] .latest-grid{grid-template-columns:1.2fr 1fr;gap:24px 48px}
:root[data-layout="orbit"] .latest-card:first-child{grid-row:span 2;padding:30px;background:var(--paper);border:1px solid var(--line)}
:root[data-layout="orbit"] .latest-card:first-child h3{font-size:28px}
:root[data-layout="orbit"] .latest-card:not(:first-child){padding-top:17px;border-top:1px solid var(--soft-border)}
:root[data-layout="orbit"] .latest-card:not(:first-child) h3{font-size:18px}
:root[data-layout="orbit"] .latest-card:not(:first-child)>p{margin:12px 0}
:root[data-layout="orbit"] .life-preview{grid-template-columns:1fr 1.6fr;gap:60px}
:root[data-layout="orbit"] .life-preview-image{grid-column:2;grid-row:1}
:root[data-layout="orbit"] .life-preview>div+div{grid-column:1;grid-row:1}
:root[data-layout="orbit"] .page-intro{text-align:center;padding-block:55px}
:root[data-layout="orbit"] .research-summary{gap:40px;border:0;padding:0}
:root[data-layout="orbit"] .research-summary>div{padding:32px;background:var(--surface);border-top:1px solid var(--soft-border)}
:root[data-layout="orbit"] .photo-gallery{grid-template-columns:repeat(2,1fr);gap:36px}
/* Academic matrix: portrait rail, compact identity, independent molecular tile. */
:root[data-layout="matrix"] .hero{display:grid;grid-template-columns:240px minmax(280px,1fr) 280px;grid-template-rows:auto auto auto 1fr;gap:0 35px;padding:45px 0;min-height:510px;align-items:start}
:root[data-layout="matrix"] .hero-copy,:root[data-layout="matrix"] .hero-visual{display:contents}
:root[data-layout="matrix"] .hero-copy>.eyebrow{grid-column:2;grid-row:1;letter-spacing:1.2px;font-size:8px;margin-top:16px}
:root[data-layout="matrix"] .hero h1{grid-column:2;grid-row:2;font:500 55px/1.2 var(--sans);letter-spacing:5px;margin-top:19px}
:root[data-layout="matrix"] .hero h1>span{font:400 20px/1.4 var(--sans);letter-spacing:1px;margin-top:9px}
:root[data-layout="matrix"] .professor-title{grid-column:2;grid-row:3;margin-top:18px;font-size:12px}
:root[data-layout="matrix"] .professor-title>span{font-size:11px}
:root[data-layout="matrix"] .research-intro{grid-column:2;grid-row:4;margin-top:19px;padding-top:18px;border-top:1px solid var(--line)}
:root[data-layout="matrix"] .hero-rule{display:none}
:root[data-layout="matrix"] .hero h2{font-size:17px;line-height:1.8;margin-top:0;letter-spacing:0}
:root[data-layout="matrix"] .hero-description{font-size:12px;margin-top:10px}
:root[data-layout="matrix"] .hero-actions{margin-top:20px;gap:18px;flex-wrap:wrap}
:root[data-layout="matrix"] .hero-actions .button{padding:10px 13px;font-size:11px;gap:16px}
:root[data-layout="matrix"] .portrait{position:relative;top:auto;right:auto;width:100%;height:100%;grid-column:1;grid-row:1/5;display:flex;flex-direction:column;padding:12px;background:var(--surface);box-shadow:none;border:1px solid var(--line)}
:root[data-layout="matrix"] .portrait>img{height:auto;aspect-ratio:466/584;object-fit:cover}
:root[data-layout="matrix"] .portrait figcaption{margin-top:auto;background:transparent;display:block;padding:20px 8px 12px;font-size:20px;line-height:1.6}
:root[data-layout="matrix"] .portrait figcaption>span+span{display:block;font-size:9px;margin-top:3px}
:root[data-layout="matrix"] .molecule-scene{position:relative;left:auto;top:auto;width:100%;height:auto;aspect-ratio:1;grid-column:3;grid-row:2/5;align-self:center;padding:0;background:var(--panel);border:1px solid var(--line);border-radius:50%}
:root[data-layout="matrix"] .visual-top{position:relative;left:auto;right:auto;top:auto;grid-column:3;grid-row:1;font-size:8px;letter-spacing:1px;margin-top:16px;border-bottom:1px solid var(--line);padding-bottom:13px}
:root[data-layout="matrix"] .molecule-label{position:relative;left:auto;bottom:auto;grid-column:3;grid-row:4;align-self:end;margin-top:20px;gap:12px;padding-bottom:5px}
:root[data-layout="matrix"] .molecule-formula{font-size:28px}
:root[data-layout="matrix"] .molecule-label>span+span{display:block;font-size:7px}
:root[data-layout="matrix"] .visual-grid,:root[data-layout="matrix"] .hero-visual:after{display:none}
:root[data-layout="matrix"] .focus-strip{border:0}
:root[data-layout="matrix"] .focus-strip>.wrap{grid-template-columns:repeat(4,1fr);gap:12px;padding:0 0 35px}
:root[data-layout="matrix"] .focus-label{grid-column:1/-1;display:flex;gap:15px;align-items:center}
:root[data-layout="matrix"] .focus-label>span{margin:0}
:root[data-layout="matrix"] .focus-strip a{padding:18px;border:1px solid var(--line);background:var(--white);font-size:12px}
:root[data-layout="matrix"] .biography{grid-template-columns:240px 1fr;gap:35px;padding-top:35px;border-top:1px solid var(--line)}
:root[data-layout="matrix"] .bio-sidebar{padding:25px;background:var(--surface)}
:root[data-layout="matrix"] .bio-sidebar h2{font:500 27px var(--sans)}
:root[data-layout="matrix"] .timeline{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;align-content:start}
:root[data-layout="matrix"] .timeline li{display:block;padding:22px;border:1px solid var(--line)}
:root[data-layout="matrix"] .timeline-date{display:block;font:400 22px var(--sans);color:var(--red);margin-bottom:17px}
:root[data-layout="matrix"] .latest-section{background:var(--paper)}
:root[data-layout="matrix"] .latest-section>.wrap{display:grid;grid-template-columns:240px 1fr;gap:35px}
:root[data-layout="matrix"] .latest-section .section-heading{display:block;align-self:start}
:root[data-layout="matrix"] .latest-section .section-heading h2{font:500 27px var(--sans)}
:root[data-layout="matrix"] .latest-section .section-heading .text-link{margin-top:25px}
:root[data-layout="matrix"] .latest-grid{display:block}
:root[data-layout="matrix"] .latest-card{display:grid;grid-template-columns:1fr 2fr;column-gap:25px;border:1px solid var(--line);padding:25px;background:var(--white);margin-bottom:15px}
:root[data-layout="matrix"] .paper-meta{grid-column:1;display:block;line-height:1.8}
:root[data-layout="matrix"] .paper-meta>span{display:block;margin-bottom:8px}
:root[data-layout="matrix"] .latest-card h3{grid-column:2;grid-row:1/3;font-size:19px;margin:0}
:root[data-layout="matrix"] .latest-card>p{grid-column:1;font-size:10px;margin:8px 0 20px}
:root[data-layout="matrix"] .paper-foot{grid-column:1/-1;margin-top:20px}
:root[data-layout="matrix"] .page-intro{display:grid;grid-template-columns:240px 1fr;column-gap:35px;padding-block:45px;border-bottom:1px solid var(--line);margin-bottom:35px}
:root[data-layout="matrix"] .page-intro>.eyebrow{grid-column:1;grid-row:1/3;margin-top:17px}
:root[data-layout="matrix"] .page-intro h1{grid-column:2;font:400 48px var(--sans);margin:0}
:root[data-layout="matrix"] .page-description{grid-column:2}
:root[data-layout="matrix"] .research-gallery{grid-template-columns:repeat(2,1fr);gap:20px}
:root[data-layout="matrix"] .research-figure:nth-child(3n+1){grid-column:1/-1}
:root[data-layout="matrix"] .research-figure:nth-child(3n+1) img{aspect-ratio:2.5/1}
:root[data-layout="matrix"] .member-section{grid-template-columns:240px 1fr;gap:35px}
:root[data-layout="matrix"] .member-row{padding:18px;background:var(--surface);margin-bottom:8px;border:0}
:root[data-layout="matrix"] .contact-layout{grid-template-columns:1fr 1.3fr}
:root[data-layout="matrix"] .contact-primary{grid-column:2;grid-row:1}
:root[data-layout="matrix"] .contact-details{grid-column:1;grid-row:1}
@media(max-width:1200px){.header-controls{gap:10px}nav{gap:15px}.brand strong{font-size:16px}.brand small{font-size:8px}.theme-picker summary{padding-inline:8px}:root[data-layout="matrix"] .hero{grid-template-columns:210px minmax(250px,1fr) 220px;gap:0 24px}:root[data-layout="orbit"] .hero{column-gap:20px;grid-template-columns:minmax(150px,.7fr) minmax(260px,1.3fr) minmax(230px,1fr)}:root[data-layout="orbit"] .hero h2{font-size:20px}:root[data-layout="matrix"] .hero h1{font-size:46px}}
@media(min-width:851px) and (max-width:1050px){.brand-symbol{display:none}.brand strong{font-size:15px}.brand small{font-size:7px}.header-inner{gap:12px}.theme-picker summary{font-size:10px}.layout-picker summary{gap:5px}:root[data-layout="matrix"] .hero{grid-template-columns:180px minmax(230px,1fr) 180px;column-gap:22px}:root[data-layout="orbit"] .hero{grid-template-columns:150px minmax(220px,1fr) 230px;column-gap:18px}:root[data-layout="orbit"] .hero h1{font-size:62px}}
@media(max-width:850px){.header-controls{gap:8px}.theme-trigger-label{display:none}.layout-picker summary{height:42px;padding-inline:10px}.layout-picker .theme-panel{right:-55px;max-width:calc(100vw - 40px)}.theme-picker:not(.layout-picker) .theme-panel{right:-121px}.brand-symbol{display:none}.brand strong{font-size:15px}.brand small{font-size:7px}:root[data-layout="orbit"] .hero{grid-template-columns:170px minmax(0,1fr);grid-template-rows:auto auto auto 300px auto;gap:0 24px;padding-block:32px}:root[data-layout="orbit"] .hero h1{font-size:52px;letter-spacing:7px}:root[data-layout="orbit"] .hero h1>span{font-size:20px;margin-left:12px;padding-left:16px}:root[data-layout="orbit"] .professor-title>span{display:block;margin:6px 0 0}:root[data-layout="orbit"] .portrait{grid-column:1;grid-row:4;width:160px}:root[data-layout="orbit"] .molecule-scene{grid-column:2;grid-row:4;max-width:330px;justify-self:center}:root[data-layout="orbit"] .molecule-label{grid-column:2;grid-row:4}:root[data-layout="orbit"] .research-intro{grid-column:1/-1;grid-row:5;border-top:1px solid var(--line);padding-top:25px;margin-top:20px}:root[data-layout="orbit"] .middle-dot{display:inline;font-size:inherit;padding-inline:8px}:root[data-layout="orbit"] .hero h2{font-size:21px}:root[data-layout="orbit"] .hero-description{max-width:100%}:root[data-layout="orbit"] .timeline{grid-template-columns:repeat(2,1fr)}:root[data-layout="orbit"] .focus-strip>.wrap{grid-template-columns:repeat(4,1fr)}:root[data-layout="orbit"] .latest-card:first-child h3{font-size:22px}:root[data-layout="matrix"] .hero{grid-template-columns:180px 1fr;gap:0 24px}:root[data-layout="matrix"] .portrait{grid-row:1/4;height:auto}:root[data-layout="matrix"] .hero-copy>.eyebrow{margin-top:5px}:root[data-layout="matrix"] .hero h1{font-size:43px}:root[data-layout="matrix"] .research-intro{grid-column:2;grid-row:4}:root[data-layout="matrix"] .molecule-scene{grid-column:1;grid-row:4;width:170px;align-self:start;margin-top:25px}:root[data-layout="matrix"] .molecule-label,:root[data-layout="matrix"] .visual-top{display:none}:root[data-layout="matrix"] .biography,:root[data-layout="matrix"] .latest-section>.wrap{grid-template-columns:190px 1fr;gap:24px}:root[data-layout="matrix"] .latest-card{display:block}:root[data-layout="matrix"] .paper-meta{display:flex}:root[data-layout="matrix"] .latest-card>p{margin-top:14px}:root[data-layout="matrix"] .page-intro{grid-template-columns:190px 1fr;gap:24px}}
@media(max-width:600px){.header-inner{width:calc(100% - 28px);gap:8px}.header-controls{gap:6px}.brand strong{font-size:14px;letter-spacing:.5px}.brand small{font-size:6px;letter-spacing:1px}.layout-picker summary{gap:5px;padding-inline:7px;font-size:10px}.layout-picker summary svg{width:12px}.theme-picker:not(.layout-picker) summary{padding-inline:8px;gap:6px}.menu-toggle{width:32px}.theme-picker:not(.layout-picker) .theme-panel{right:-109px}.layout-picker .theme-panel{right:-40px}:root[data-layout="orbit"] .hero{grid-template-columns:104px minmax(0,1fr);grid-template-rows:auto auto auto 215px auto;column-gap:12px;padding-top:28px}:root[data-layout="orbit"] .hero-copy>.eyebrow{font-size:7px;letter-spacing:1.2px}:root[data-layout="orbit"] .hero h1{font-size:51px;letter-spacing:8px;margin-top:18px}:root[data-layout="orbit"] .hero h1>span{display:block;margin:12px 0 0;padding:0;border:0;font-size:20px}:root[data-layout="orbit"] .professor-title{font-size:11px;margin-bottom:15px}:root[data-layout="orbit"] .professor-title>span{font-size:10px}:root[data-layout="orbit"] .portrait{width:104px;padding:5px}:root[data-layout="orbit"] .portrait figcaption{padding:7px 2px 2px}:root[data-layout="orbit"] .portrait figcaption>span+span{display:none}:root[data-layout="orbit"] .molecule-scene{width:100%;max-width:235px}:root[data-layout="orbit"] .molecule-label{padding:3px 6px;bottom:0}:root[data-layout="orbit"] .molecule-formula{font-size:23px}:root[data-layout="orbit"] .molecule-label>span+span{font-size:5px;letter-spacing:.3px}:root[data-layout="orbit"] .hero h2{font-size:17px}:root[data-layout="orbit"] .research-intro{margin-top:8px;padding-top:22px}:root[data-layout="orbit"] .hero-description{margin-top:12px}:root[data-layout="orbit"] .focus-strip>.wrap{grid-template-columns:repeat(2,1fr);gap:18px}:root[data-layout="orbit"] .bio-sidebar{display:block}:root[data-layout="orbit"] .teaching{border-left:0;border-top:1px solid var(--line);padding:25px 0 0;margin-top:25px}:root[data-layout="orbit"] .timeline{gap:20px}:root[data-layout="orbit"] .timeline-date{font-size:19px}:root[data-layout="orbit"] .latest-grid{display:block}:root[data-layout="orbit"] .latest-card{margin-bottom:28px}:root[data-layout="orbit"] .latest-card:first-child{padding:22px}:root[data-layout="orbit"] .life-preview{display:flex;flex-direction:column-reverse;align-items:stretch;gap:28px}:root[data-layout="orbit"] .research-summary{grid-template-columns:1fr;gap:20px}:root[data-layout="orbit"] .photo-gallery{grid-template-columns:1fr}:root[data-layout="matrix"] .hero{grid-template-columns:110px minmax(0,1fr);gap:0 18px;padding-block:28px}:root[data-layout="matrix"] .hero h1{font-size:32px;letter-spacing:2px;margin-top:12px}:root[data-layout="matrix"] .hero h1>span{font-size:16px}:root[data-layout="matrix"] .hero-copy>.eyebrow{font-size:6px;letter-spacing:.6px;line-height:1.8}:root[data-layout="matrix"] .hero-copy>.eyebrow .small-line{display:none}:root[data-layout="matrix"] .professor-title{margin-top:10px;font-size:10px}:root[data-layout="matrix"] .professor-title>span{font-size:9px;line-height:1.8}:root[data-layout="matrix"] .portrait{padding:6px;grid-row:1/4;align-self:start}:root[data-layout="matrix"] .portrait figcaption{padding:12px 4px 5px;font-size:13px}:root[data-layout="matrix"] .portrait figcaption>span+span{font-size:5px;letter-spacing:.5px}:root[data-layout="matrix"] .molecule-scene{grid-column:1;grid-row:4;width:100%;margin-top:25px;align-self:start}:root[data-layout="matrix"] .research-intro{grid-column:2;grid-row:4;margin-top:22px}:root[data-layout="matrix"] .hero h2{font-size:14px}:root[data-layout="matrix"] .middle-dot{display:block;font-size:0;height:4px}:root[data-layout="matrix"] .hero-description{font-size:11px;line-height:2}:root[data-layout="matrix"] .hero-actions{gap:10px}:root[data-layout="matrix"] .hero-actions .button{padding:9px;font-size:10px;gap:8px}:root[data-layout="matrix"] .hero-actions .text-link{font-size:10px}:root[data-layout="matrix"] .focus-strip>.wrap{grid-template-columns:1fr 1fr}:root[data-layout="matrix"] .focus-strip a{padding:13px;font-size:11px}:root[data-layout="matrix"] .biography,:root[data-layout="matrix"] .latest-section>.wrap{grid-template-columns:1fr;gap:25px}:root[data-layout="matrix"] .bio-sidebar{padding:23px}:root[data-layout="matrix"] .teaching{margin-top:25px}:root[data-layout="matrix"] .timeline{gap:10px}:root[data-layout="matrix"] .timeline li{padding:16px}:root[data-layout="matrix"] .timeline-date{font-size:17px}:root[data-layout="matrix"] .timeline h3{font-size:13px}:root[data-layout="matrix"] .latest-section .section-heading{margin-bottom:0}:root[data-layout="matrix"] .page-intro{display:block;padding-block:32px}:root[data-layout="matrix"] .page-intro>.eyebrow{margin:0 0 20px}:root[data-layout="matrix"] .page-intro h1{font-size:36px}:root[data-layout="matrix"] .research-gallery{grid-template-columns:1fr}:root[data-layout="matrix"] .research-figure:nth-child(3n+1) img{aspect-ratio:4/3}:root[data-layout="matrix"] .member-section{grid-template-columns:1fr;gap:24px}:root[data-layout="matrix"] .contact-layout{display:flex;flex-direction:column;gap:30px}}
@media print{.layout-picker{display:none!important}}