/* WSRG v51 — original lab identity; editorial, photo-led product-style layout. */
:root{--ink:#1d1d1f;--muted:#606066;--canvas:#fff;--surface:#fff;--soft:#f5f5f7;--line:#d8d8dc;--green:#0066cc;--green2:#0056ad;--amber:#a55b0a;--navy:#1d1d1f;--max:1120px;--accent:#0066cc}
html{font-size:16px;scroll-padding-top:76px}body.wsrg-design{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--canvas);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{font-weight:650;letter-spacing:-.045em}h1{font-size:clamp(40px,5.8vw,76px);line-height:1.04}h2{font-size:clamp(30px,3.6vw,48px);line-height:1.08}h3{font-size:23px;line-height:1.2;letter-spacing:-.025em}p{line-height:1.55}a,button,input,select,summary{ -webkit-tap-highlight-color:transparent }a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2783de;outline-offset:4px}button,input,select{font:inherit}a:hover{text-decoration:none}.container{width:min(var(--max),calc(100% - 64px))}section{padding:80px 0}.lead{font-size:21px;line-height:1.5;color:var(--muted)}.eyebrow{display:block;color:var(--muted);font-size:14px;font-weight:600;letter-spacing:.055em;text-transform:uppercase;line-height:1.5;margin:0 0 16px}.eyebrow:before{display:none}.kicker{color:var(--accent);font-size:14px;letter-spacing:.04em;font-weight:600}.skip-link{position:fixed;left:16px;top:-100px;padding:12px 20px;z-index:1000;background:var(--ink);color:var(--canvas);border-radius:8px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* A quiet, translucent global navigation. */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);border-bottom:1px solid rgba(120,120,128,.14);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.site-header .nav{min-height:64px;gap:24px}.brand{gap:9px;font-weight:700;flex-shrink:0}.brand-mark{width:32px;height:32px;border-radius:7px;background:transparent}.brand-name{font-size:18px;letter-spacing:-.03em}.brand small{font-size:10px;margin-top:2px;letter-spacing:.06em;font-weight:500;color:var(--muted)}.site-header nav{display:flex;gap:23px;font-size:14px;font-weight:450}.site-header nav a{display:flex;align-items:center;min-height:64px;padding:8px 0;border:0;color:var(--ink);position:relative;white-space:nowrap}.site-header nav a.active:after{content:"";position:absolute;height:2px;bottom:0;left:0;right:0;background:var(--accent)}.site-header nav a:hover,.site-header nav a.active{color:var(--accent);border:0}.menu{display:none;border:0;background:transparent;color:var(--ink);border-radius:8px;width:44px;height:44px}.hamburger{display:grid;width:20px;gap:4px;margin:auto}.hamburger i{display:block;height:2px;background:currentColor;width:20px;border-radius:1px}.hamburger i:nth-child(2){width:15px;margin-left:5px}.menu[aria-expanded=true] .hamburger i:nth-child(2){width:20px;margin:0}
/* Hero treatments: centered copy, full-width surfaces, generous but not empty. */
.page-hero{padding:88px 0 64px;background:var(--soft);text-align:center;border:0}.page-hero h1{max-width:980px;margin:0 auto}.page-hero .lead{max-width:760px;margin:24px auto 0}.page-body{padding:56px 0 88px}.section-head{grid-template-columns:1fr 1fr;gap:48px;margin-bottom:32px}.section-head .lead{font-size:18px}.section-head h2{max-width:680px}.soft{background:var(--soft)}.actions{gap:16px;align-items:center}.button,.op-primary{border-radius:24px;min-height:44px;padding:10px 22px;border:1px solid var(--accent);font-size:16px;font-weight:500;color:var(--accent);background:transparent;justify-content:center;gap:8px;line-height:1.4}.button.primary,.op-primary{background:var(--accent);border-color:var(--accent);color:#fff}.button:hover,.op-primary:hover{background:rgba(0,102,204,.07)}.button.primary:hover,.op-primary:hover{background:#0056ad;color:#fff}.notion-link,.academic-links a,.course-list a,.a42-link{color:var(--accent);font-weight:500}.notion-link{display:inline-flex;align-items:center;min-height:44px}.notion-link:hover,.course-list a:hover{text-decoration:underline;text-underline-offset:4px}
.wsrg-billboard{padding:64px 0 0;background:var(--soft);text-align:center;overflow:hidden}.billboard-copy{max-width:1040px}.billboard-copy .eyebrow{font-size:14px}.billboard-copy h1{font-size:clamp(44px,6vw,84px);line-height:1.02;letter-spacing:-.055em}.billboard-copy h1 span{color:var(--accent)}.billboard-lead{font-size:clamp(20px,2.3vw,28px);line-height:1.35;margin:24px 0;color:var(--ink)}.billboard-copy .actions{justify-content:center;margin:24px 0 40px}.billboard-photo{position:relative;max-width:1320px;margin:0 auto;overflow:hidden}.billboard-photo img{width:100%;height:auto;max-height:650px;object-fit:cover;object-position:center 42%}.billboard-photo figcaption{position:absolute;bottom:0;left:0;right:0;margin:0;padding:56px 24px 24px;background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;font-size:17px;text-align:center}.stats{border:0;border-radius:0;background:var(--canvas);margin-top:0;padding:24px 0;gap:24px}.stats div{padding:16px 24px;text-align:center}.stats div+div{border-left:1px solid var(--line)}.stats strong{font-size:26px;font-weight:650;color:var(--ink);letter-spacing:-.03em}.stats span{color:var(--muted);font-size:16px}.image-band{border:0;border-radius:12px;box-shadow:none;background:var(--soft);margin-bottom:32px}.image-band img{width:100%;height:auto}.photo-frame{border:0;border-radius:12px;box-shadow:none}.photo-caption{background:rgba(0,0,0,.65)}.split{gap:40px;align-items:start}.grid-3{gap:16px}.card{border:0;background:var(--soft);border-radius:12px;padding:32px;box-shadow:none}.card p{color:var(--muted)}.card:hover{box-shadow:none}.card h3{font-size:24px}.research-focus-card{padding:40px;min-height:280px;background:var(--soft);border:0;position:relative}.research-focus-card .focus-arrow{color:var(--accent)}.research-focus-card:hover{background:#ececf0;transform:none}.callout{background:var(--soft);border:0;border-radius:12px}.live-note{color:var(--muted);font-size:14px;line-height:1.5;margin-bottom:28px}.live-dot{background:#238353;box-shadow:none}.feed{border:0;background:var(--soft);border-radius:12px;overflow:hidden}.feed article{padding:28px;gap:24px;border-color:var(--line)}.feed article h3{font-size:21px}.feed article p{color:var(--muted);font-size:16px}.feed .date{color:var(--muted);font-size:14px}.news-thumb{border:0;border-radius:8px;background:var(--surface)}.tag{background:var(--surface);color:var(--muted);border:1px solid var(--line);border-radius:6px;font-size:14px;padding:4px 8px}.academic-links{gap:12px;flex-wrap:wrap}.academic-links a{min-height:44px;display:inline-flex;align-items:center}.news-more{gap:12px}.news-more a{min-height:44px}
/* Members and profiles. */
.member-role{padding:24px 0 48px}.member{padding:0;overflow:hidden;background:var(--soft)}.member-copy{padding:24px}.member-photo{background:#e8e8ed}.member-featured{border:0;background:var(--soft)}.member h3{font-size:25px}.member-photo img{object-position:top center}.role-jump-links a,.member-role-nav a{min-height:44px;display:inline-flex;align-items:center}.profile-hero,.profile-summary{background:var(--soft);border-color:var(--line);box-shadow:none}.profile-portrait{border-radius:12px;overflow:hidden}.profile-title{letter-spacing:-.04em}.profile-facts{border-color:var(--line)}.profile-body .card{background:var(--soft)}.cv-timeline{border-color:var(--line)}
/* Activity hub and preserved v42 photo/story templates. */
.activity-loading-note{background:#fff4dd;border:1px solid #d6a460;border-left:4px solid #a55b0a;border-radius:12px;color:#633b0d;padding:20px 24px;margin:32px 0 24px}.activity-loading-note strong{display:block;font-size:17px;line-height:1.4}.activity-loading-note p{font-size:16px;line-height:1.55;margin:8px 0 0;color:inherit}.activity-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.activity-link{background:var(--soft);border:0;padding:32px;min-height:245px;transition:background .2s}.activity-link:hover{background:#ececf0;transform:none}.activity-link h3{font-size:24px;margin:24px 0 12px}.activity-link p{font-size:16px}.activity-number{font-family:inherit;font-size:14px;letter-spacing:.05em;color:var(--accent);font-weight:600}.a42-page{--a42-bg:var(--canvas);--a42-surface:var(--soft);--a42-soft:var(--surface);--a42-ink:var(--ink);--a42-muted:var(--muted);--a42-line:var(--line);--a42-accent:var(--accent);font-family:inherit;background:var(--canvas)}.a42-hero{padding:32px 0 64px;background:var(--soft);text-align:center;border:0}.a42-back{display:flex;width:max-content;margin:0 0 40px;text-align:left}.a42-page h1{font-family:inherit;font-size:clamp(40px,5.8vw,76px);line-height:1.04;max-width:920px;margin:auto;letter-spacing:-.045em}.a42-lead{margin:24px auto 0;font-size:21px;line-height:1.5;max-width:760px}.a42-body{padding:40px 0 80px}.a42-story{padding:32px;border:0;background:var(--soft);border-radius:12px;gap:40px}.a42-story h3{font-size:30px;line-height:1.15;letter-spacing:-.03em}.a42-story .a42-gallery figure{background:var(--surface)}.a42-page h2{font-size:32px}.a42-gallery figure{border:0;border-radius:8px}.a42-more{border:0;background:var(--soft);border-radius:12px;padding:40px}.a42-more .button.primary{background:var(--accent);border-color:var(--accent);color:white}.a42-empty{background:var(--soft);border:0}.a42-status{line-height:1.55}
/* Publication browser and collaborator pages: keep real filters, simple surfaces. */
.pub-filter-bar,.cp-filters{border:0;background:var(--soft);border-radius:12px;padding:24px;box-shadow:none}.pub-control label,.cp-control label{font-size:14px;color:var(--muted)}.pub-control input,.pub-control select,.cp-filters input,.cp-filters select{min-height:48px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 12px;max-width:100%;font-size:16px}.publication-year{padding:32px 0}.year-heading{border-color:var(--line)}.year-heading>span{color:var(--ink)}.publication-browser .pub-record{background:var(--soft);border-color:var(--line)}.pub-collaborators a{color:var(--accent)}.pub-tags .tag{font-size:14px}.pub-empty{background:var(--soft);border:0;border-radius:12px}.pub-empty button,#pub-clear,#cp-clear{min-height:44px;color:var(--accent);background:transparent;border:1px solid var(--line);border-radius:8px;padding:8px 16px}.world-map-card,.country-group{border:0;border-radius:12px;background:var(--soft)}.country-group{padding:24px}.map-heading h2{font-size:30px}.country-group h2{font-size:26px}.country-person{background:var(--surface);border-color:var(--line)}.country-person h3{font-size:20px}.country-marker{background:var(--surface);color:var(--ink)}.collab-lines .active-route{stroke:var(--accent)}.collaborator-page{--cp-bg:var(--canvas);--cp-surface:var(--soft);--cp-soft:var(--surface);--cp-ink:var(--ink);--cp-muted:var(--muted);--cp-line:var(--line);--cp-accent:var(--accent);font-family:inherit}.collaborator-page h1{font-size:clamp(40px,5.4vw,72px)}.collaborator-page .paper{background:var(--soft);border-color:var(--line)}
/* Recruitment, courses and contact. */
.positions-page{font-family:inherit;background:var(--canvas);color:var(--ink);--op-ink:var(--ink);--op-muted:var(--muted);--op-accent:var(--accent);--op-surface:var(--soft);--op-line:var(--line)}.op-hero{background:var(--soft);padding:64px 0}.op-hero h1{font-size:clamp(40px,5.5vw,72px);line-height:1.05}.op-lead{font-size:21px;color:var(--muted)}.op-photo{border:0;border-radius:12px;box-shadow:none}.op-card,.op-scholarship{background:var(--soft);border:0;border-radius:12px;box-shadow:none}.op-card h3{font-size:28px}.op-language-switch a{min-height:44px}.op-language-switch a[aria-current=true]{color:var(--accent);background:var(--soft)}.op-primary{display:inline-flex;align-items:center}.op-text-link,.op-card-link{color:var(--accent);min-height:44px}.op-contact{background:var(--soft)}.course-list a{padding:20px 0;min-height:64px;font-size:19px;border-color:var(--line)}.course-list a:last-child{border-bottom:0}.contact-card{background:var(--soft);border:0}.contact-card a{color:var(--accent)}
/* A compact institutional footer. */
footer{background:var(--soft);border-top:0;padding:48px 0;color:var(--muted);font-size:14px}.footer-grid{align-items:start;gap:40px}.footer-grid strong{color:var(--ink);font-weight:600}.footer-grid p{max-width:460px;margin:12px 0 0}.footer-links{gap:12px;display:flex;flex-wrap:wrap;justify-content:flex-end}.footer-links a{min-height:44px;display:inline-flex;align-items:center;font-size:14px;font-weight:500}.footer-links span{align-self:center}.wsrg-update{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);width:max-content;z-index:120;display:flex;align-items:center;gap:16px;padding:12px 16px;background:var(--ink);color:var(--canvas);border-radius:12px;box-shadow:0 4px 24px #0002;font-size:14px}.wsrg-update button{min-height:44px;border:0;border-radius:8px;background:var(--canvas);color:var(--ink);padding:8px 16px;cursor:pointer;white-space:nowrap}.wsrg-update[hidden],[hidden]{display:none!important}
@media(min-width:981px){.site-header nav{position:static;background:transparent;padding:0;box-shadow:none}.site-header .menu{display:none}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:1100px){.site-header nav{gap:16px}.site-header .nav{gap:16px}.brand-name{font-size:17px}}
@media(max-width:980px){.site-header .nav{min-height:60px}.site-header .menu{display:block;margin-left:auto}.site-header nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--canvas);padding:16px 32px 24px;border-bottom:1px solid var(--line);max-height:calc(100dvh - 60px);overflow:auto}.site-header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.site-header nav a{min-height:48px;font-size:20px;padding:10px 0}.site-header nav a.active:after{display:none}.section-head{gap:24px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.activity-links{grid-template-columns:repeat(2,minmax(0,1fr))}.activity-link{min-height:230px}.wsrg-billboard{padding-top:48px}.op-hero-grid{gap:32px}.collab-network{grid-template-columns:1fr}.world-map-card{position:relative;top:auto}.footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}}
@media(max-width:620px){html{font-size:16px}.container{width:calc(100% - 40px)}section{padding:56px 0}.page-hero{padding:56px 0 40px}.page-hero .lead,.a42-lead{font-size:19px;margin-top:20px}.page-body{padding:32px 0 56px}.page-hero h1{font-size:42px;line-height:1.08}.site-header .nav{min-height:60px}.site-header nav{padding:16px 24px 24px}.brand-mark{width:30px;height:30px}.brand-name{font-size:17px}.billboard-copy .eyebrow{font-size:13px;max-width:290px;margin:0 auto 16px}.wsrg-billboard{padding-top:40px}.billboard-copy h1{font-size:44px}.billboard-lead{font-size:21px;margin:20px 0}.desktop-break{display:none}.billboard-copy .actions{gap:12px;margin:24px 0 32px}.billboard-copy .button{font-size:15px;padding:10px 16px}.billboard-photo img{height:auto;max-height:none;object-fit:contain}.billboard-photo figcaption{position:static;padding:16px 24px;background:#1d1d1f;color:#fff;font-size:14px}.stats{grid-template-columns:1fr;padding:16px 0;gap:0}.stats div{padding:16px}.stats div+div{border-left:0;border-top:1px solid var(--line)}.stats strong{font-size:23px}.section-head,.split,.grid-3{grid-template-columns:1fr;gap:24px}.section-head .lead{font-size:18px}.card{padding:24px}.research-focus-card{min-height:0;padding:32px}.image-band{margin-bottom:24px;border-radius:8px}.activity-links{grid-template-columns:1fr;gap:12px}.activity-link{min-height:0;padding:24px}.activity-link h3{margin:16px 0 8px;font-size:24px}.activity-link p{margin-bottom:0}.activity-loading-note{padding:20px;margin:24px 0}.a42-page h1{font-size:42px;line-height:1.08}.a42-back{margin-bottom:24px}.a42-hero{padding:20px 0 40px}.a42-body{padding:24px 0 56px}.a42-story{grid-template-columns:1fr;padding:24px;gap:24px}.a42-story h3{font-size:28px}.a42-page h2{font-size:28px}.a42-section-head{align-items:start;gap:12px;flex-direction:column}.a42-more{padding:24px}.a42-gallery{columns:1}.a42-story .a42-gallery{columns:2}.feed article{padding:20px;gap:16px}.feed article h3{font-size:20px}.news-feed article{grid-template-columns:80px minmax(0,1fr)}.news-feed .news-thumb{width:80px;height:80px;grid-row:1/3}.news-feed .date{grid-column:2}.news-feed article>div{grid-column:2}.news-feed article>.notion-link{grid-column:2}.publication-browser .pub-record{grid-template-columns:1fr;gap:16px}.publication-browser .pub-record .news-thumb{display:none}.publication-browser .pub-record .pub-details{grid-column:1}.publication-browser .pub-record>.notion-link{grid-column:1}.pub-filter-bar,.cp-filters{padding:20px}.pub-control input,.pub-control select{width:100%;min-width:0}.pub-results-bar{gap:12px;align-items:start}.year-heading h2{font-size:25px}.op-hero{padding:40px 0}.op-hero h1{font-size:42px}.op-lead{font-size:19px}.op-hero-grid{grid-template-columns:1fr}.op-card{padding:24px}.op-heading h2{font-size:34px}.op-language-bar{padding-top:16px;padding-bottom:16px}.footer-grid{gap:24px}.footer-links{gap:4px 12px}footer{padding:32px 0}.wsrg-update{bottom:16px;gap:8px;padding:12px;max-width:calc(100% - 24px)}.wsrg-update span{max-width:190px}.profile-hero h1{font-size:40px}.member-featured{grid-template-columns:1fr}.member-featured .member-photo{max-width:none}.member-copy{padding:24px}}
@media(prefers-color-scheme:dark){:root{--ink:#f5f5f7;--muted:#aaaab0;--canvas:#161617;--surface:#202022;--soft:#242426;--line:#444448;--green:#69adff;--green2:#8bbfff;--accent:#69adff}.site-header{background:rgba(22,22,23,.9)}.site-header nav{color:var(--ink)}.button.primary,.op-primary,.a42-more .button.primary{background:#0071e3;color:white;border-color:#0071e3}.button.primary:hover,.op-primary:hover{background:#0077ed}.activity-link:hover,.research-focus-card:hover{background:#303033}.activity-loading-note{background:#302519;color:#ffe0ad;border-color:#ac7d40}.member-photo{background:#303033}.tag{color:var(--muted)}.positions-page .op-card,.positions-page .op-scholarship{background:var(--soft);color:var(--ink)}.positions-page p{color:var(--muted)}.op-language-switch a{color:var(--ink)}.pub-filter-bar,.cp-filters{background:var(--soft)}.pub-control input,.pub-control select{color-scheme:dark}.world-map-card,.country-group{background:var(--soft)}.country-person{background:var(--surface)}.a42-more .button.primary{color:#fff}.news-thumb{background:var(--surface)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* The collaborator component uses its own scoped variables. */
.collaborator-page{--bg:var(--canvas);--soft:var(--surface);--ink:inherit;--muted:#606066;--line:#d8d8dc;--accent:#0066cc;--tint:#f5f5f7;font-family:inherit;color:#1d1d1f}.collaborator-page .hero{background:#f5f5f7;padding:40px 0 56px}.collaborator-page .hero h1{font-size:clamp(40px,5.4vw,72px);line-height:1.05}.collaborator-page .wrap{width:min(1120px,calc(100% - 64px))}.collaborator-page .record-strip{border-color:var(--line);background:transparent}.collaborator-page .primary{border-radius:24px;padding:12px 22px;min-height:44px;background:#0066cc;color:white}.collaborator-page .filters{background:#f5f5f7;border:0;border-radius:12px;padding:24px}.collaborator-page .filters input,.collaborator-page .filters select{min-height:48px;font-size:16px}.collaborator-page .paper{background:#f5f5f7;border:0;border-bottom:1px solid var(--line);padding:28px}.collaborator-page .paper h4{font-size:21px}.collaborator-page .hero-photo,.collaborator-page .facility{border:0;border-radius:12px;box-shadow:none}.collaborator-page .text-link,.collaborator-page .read-paper{color:#0066cc}.page-hero .actions{justify-content:center}.profile-source-link,.back-link{display:inline-flex;align-items:center;min-height:44px;color:var(--accent)}
@media(max-width:620px){.collaborator-page .wrap{width:calc(100% - 40px)}.collaborator-page .hero h1{font-size:40px}.collaborator-page .hero{padding:24px 0 40px}.collaborator-page .paper{padding:20px}.collaborator-page .filters{padding:20px}}
@media(prefers-color-scheme:dark){.collaborator-page{--bg:#161617;--soft:#202022;--ink:#f5f5f7;--muted:#aaaab0;--line:#444448;--accent:#69adff;--tint:#242426;color:#f5f5f7}.collaborator-page .hero,.collaborator-page .filters,.collaborator-page .paper{background:#242426}.collaborator-page .text-link,.collaborator-page .read-paper{color:#69adff}}
.positions-page{--op-bg:var(--canvas);--op-soft:var(--soft);--op-surface:var(--surface);--op-ink:var(--ink);--op-muted:var(--muted);--op-line:var(--line);--op-green:var(--accent);font-family:inherit}.positions-page .eyebrow{font-size:14px;color:var(--muted)}.positions-page .op-primary{border-radius:24px;background:#0066cc;color:white;font-size:16px;font-weight:500;padding:12px 22px;min-height:44px}.positions-page .op-primary:hover{background:#0056ad}.positions-page .op-card{border:0;background:var(--soft)}.positions-page .op-opportunities{background:var(--canvas)}.positions-page .op-language-switch a[aria-current=true]{background:var(--accent);color:#fff}.positions-page .op-apply-panel{border:0;background:var(--soft)}.billboard-copy .eyebrow{font-size:14px}.positions-page .op-hero h1{font-size:clamp(40px,5.5vw,72px)}.positions-page .op-lead{font-size:21px;line-height:1.5}.positions-page .op-text-link,.positions-page .op-card-link{font-size:16px;font-weight:500}.positions-page .op-hero{padding-top:40px}
@media(max-width:620px){.positions-page .op-hero h1{font-size:42px}.positions-page .op-lead{font-size:19px}.positions-page .op-hero{padding-top:32px}.positions-page .op-primary{font-size:16px}}
@media(prefers-color-scheme:dark){.positions-page .op-primary,.positions-page .op-language-switch a[aria-current=true]{background:#0071e3;color:#fff}}
/* Keep unloaded story photographs from collapsing into thin strips. */
.a42-story .a42-gallery img{min-height:150px;background:var(--surface);object-fit:contain}.a42-story .a42-gallery figure:first-child img{min-height:240px}.wsrg-design .topic-feed .date{font-size:14px}