/* Urban Climate Research Group: an open, editorial research website. */
:root{--ink:#27323a;--navy:#173b50;--blue:#00629b;--muted:#65727b;--line:#dce2e5;--soft:#f4f6f7;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--body:18px;--heading:32px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{margin:0;color:var(--ink);background:#fff;font:var(--body)/1.7 var(--font);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
[hidden]{display:none!important}
img{display:block;max-width:100%;height:auto}
figure,p,ul,ol{margin:0}
p+p{margin-top:20px}
h1,h2{margin:0 0 24px;font-size:var(--heading);line-height:1.25;font-weight:600;letter-spacing:-.035em;color:var(--navy)}
h3,h4,h5,h6{margin:0 0 12px;font-size:var(--body);line-height:1.5;font-weight:600;color:var(--navy)}
a{color:var(--blue);text-decoration:none;text-underline-offset:5px;text-decoration-thickness:1px}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:5px}
button,input,select{font:inherit;color:inherit}
button,summary,select{cursor:pointer}
strong{font-weight:600}
.site-width{width:calc(100% - 96px);max-width:1240px;margin-inline:auto}
.skip-link{position:fixed;top:12px;left:12px;z-index:2000;padding:12px 18px;background:#fff;transform:translateY(-200%)}
.skip-link:focus{transform:none}
.eyebrow,.index-label{margin:0 0 20px;color:var(--muted);font-size:var(--body)}
.text-link{display:inline-flex;gap:32px;align-items:center;padding-block:8px;border-bottom:1px solid var(--blue);font-weight:600}
.text-link:hover{text-decoration:none;border-color:var(--navy);color:var(--navy)}

/* Navigation shares the readable body scale. */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:center;gap:24px;color:var(--navy);font-size:var(--body);font-weight:600;line-height:1.3;letter-spacing:-.025em;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-affiliation{border-left:1px solid var(--line);padding-left:24px;color:var(--muted);font-weight:400}
.site-nav{display:flex;align-items:center;gap:26px;font-size:var(--body);line-height:1.5}
.site-nav>a,.site-nav summary{color:var(--ink);padding:16px 0;white-space:nowrap}
.site-nav [aria-current=page],.site-nav .current{color:var(--blue);text-decoration:underline;text-underline-offset:7px}
.nav-members{position:relative}
.nav-members summary{list-style:none;display:flex;align-items:center;gap:9px}
.nav-members summary::-webkit-details-marker{display:none}
.nav-members summary:after{content:"⌄";line-height:1}
.members-menu{position:absolute;left:-20px;top:100%;width:180px;padding:12px 20px;border:1px solid var(--line);background:#fff}
.members-menu a{display:block;padding:9px 0;color:var(--ink)}
.nav-toggle{display:none;border:0;background:transparent;padding:10px 0;font-size:var(--body)}

/* Home: landscape, community, research index, then recent work. */
.home-hero{position:relative;display:grid;grid-template-columns:1fr 1fr;column-gap:80px;isolation:isolate;padding:36px 0 0;margin-top:24px}
.hero-copy{position:relative;z-index:1;max-width:420px}
.hero-copy h1{margin-bottom:0}
.hero-image{position:relative;grid-column:1/-1;z-index:-1;margin-top:calc(-1 * clamp(40px,9vw,110px))}
.hero-image img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;object-position:center bottom}
.hero-introduction{display:flex;justify-content:flex-end;padding:12px 0 40px}
.hero-deck{position:relative;z-index:1;max-width:480px;margin:0;padding-top:50px;justify-self:end}
.research-overview{background:var(--soft);padding:64px 0}
.overview-grid{display:grid;grid-template-columns:.9fr 1.25fr;gap:80px}
.overview-grid>div>p:last-child{max-width:360px}
.topic-list{list-style:none;padding:0;border-top:1px solid var(--line)}
.topic-list li{border-bottom:1px solid var(--line)}
.topic-list a{display:grid;grid-template-columns:28px 1fr 20px;gap:22px;align-items:start;padding:22px 0;color:var(--navy);font-weight:600}
.topic-list a:hover{text-decoration:none;color:var(--blue)}
.topic-number{font-weight:400;color:var(--muted)}
.arrow{font-weight:400}
.group-introduction{display:grid;grid-template-columns:1.05fr 1fr;gap:80px;padding:88px 0}
.group-introduction figure{align-self:start}
.group-introduction figure img{width:100%;height:auto}
.group-welcome{margin-bottom:24px}
.home-updates{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;padding:88px 0}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:0}
.section-heading h2{margin:0}
.section-heading>a{white-space:nowrap}
.home-news article,.home-papers li{padding:28px 0;border-bottom:1px solid var(--line)}
.home-news h3{margin:8px 0 0}
.home-news h3 a,.home-papers li a{color:var(--ink)}
.home-papers ul{padding:0;list-style:none}
.news-date{color:var(--muted)}

/* Interior pages share a softly integrated architectural/editorial backdrop. */
.page-intro{padding:64px 0 48px;border-bottom:1px solid var(--line);margin-bottom:48px}
.page-intro h1{max-width:850px;margin-bottom:20px}
.page-intro .eyebrow{margin-bottom:20px}
.page-deck{max-width:760px;color:var(--muted)}
.page-intro-copy{min-width:0}
.page-intro-integrated{display:flex;align-items:center;position:relative;isolation:isolate;min-height:280px;padding-block:44px;overflow:hidden}
.page-intro-integrated .page-intro-copy{position:relative;z-index:1;max-width:680px}
.page-research .page-intro-copy{width:100%;max-width:none}
.page-research .page-intro h1,.page-research .page-deck{max-width:none}
.page-backdrop{position:absolute;inset:-24px -20px;z-index:-1;opacity:.48;pointer-events:none;mask-image:linear-gradient(90deg,transparent 15%,#000 65%)}
.page-backdrop img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.page-backdrop-atrium img{object-position:center bottom;transform:translateX(8%) scale(1.45);transform-origin:center bottom}
.reading-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:76px;padding-bottom:88px}
.reading-content{min-width:0;max-width:870px}
.page-index{position:sticky;top:144px;align-self:start;max-height:calc(100dvh - 180px);overflow:auto}
.page-index .index-label{margin-bottom:16px;font-weight:600;color:var(--navy)}
.page-index>a{display:block;padding:12px 0;border-top:1px solid var(--line);color:var(--muted);line-height:1.5}
.page-index>a:hover{color:var(--blue)}
.index-number{display:block;color:var(--navy);margin-bottom:4px}
.year-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}
.year-index a[data-year-through]{grid-column:1/-1}
.year-index a{padding:8px 0;border-top:1px solid var(--line)}
.lead{margin-bottom:48px}
.research-topic{padding-top:40px;margin-top:40px;border-top:1px solid var(--line)}
.research-figures{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;margin:32px 0}
.research-figures img{width:100%;height:auto;max-height:380px;object-fit:contain}
.reference-list{padding-left:24px}
.reference-list li{margin:16px 0;padding-left:6px}
.research-topic h3{margin-top:32px}

/* Publications are a readable bibliography, with native local search. */
.publication-tools{display:grid;grid-template-columns:1fr auto;gap:12px 24px;padding-bottom:24px}
.publication-tools label{grid-column:1/-1;font-weight:600}
.publication-tools input{grid-column:1/-1;min-width:0;width:100%;border:1px solid var(--line);border-radius:0;background:#fff;padding:14px 16px;appearance:none}
.publication-tools output{grid-column:1/-1;color:var(--muted)}
.publication-note{padding:16px 0 24px;color:var(--muted)}
.publication-note p{margin:0}
.year-note{padding:24px 0;color:var(--muted)}
.publication-year{padding-top:32px}
.publication-year h2{padding-bottom:20px;border-bottom:1px solid var(--line);margin:0}
.paper-list{list-style:none;padding:0}
.paper-list li{padding:24px 0;border-bottom:1px solid var(--line)}
.paper-list a{color:var(--ink)}
.paper-list a:hover{color:var(--blue)}
#publication-empty{padding:32px 0;color:var(--muted)}

/* Members: portraits and compact biographies, no ornamental cards. */
.people-section+ .people-section{margin-top:64px}
.people-section>h2{padding-bottom:24px;border-bottom:1px solid var(--line);margin:0}
.person{display:grid;grid-template-columns:300px minmax(0,1fr);gap:40px;padding:36px 0;border-bottom:1px solid var(--line)}
.person-portrait img{width:100%;height:auto;max-height:400px;object-fit:contain;object-position:top left}
.person-detail h3{margin-bottom:20px}
.person-detail ul,.professor-detail ul{list-style:none;padding:0}
.person-detail li,.professor-detail li{margin-bottom:14px}
.person-detail li:last-child{margin-bottom:0}
.professor-profile{display:grid;grid-template-columns:340px minmax(0,1fr);gap:80px;align-items:start;padding:0 0 64px}
.professor-portrait img{width:100%;max-height:440px;object-fit:contain;object-position:top left}
.professor-detail h2{margin:0 0 24px}
.professor-detail .text-link{margin-top:12px}
.professor-reading{padding-top:40px;border-top:1px solid var(--line)}
.bio-section+ .bio-section{margin-top:48px;padding-top:40px;border-top:1px solid var(--line)}
#education h2{margin-bottom:16px}
.education-list{margin:0}
.education-entry{display:grid;grid-template-columns:210px minmax(0,1fr);gap:24px;padding:12px 0}
.education-entry:first-child{padding-top:0}
.education-entry:last-child{padding-bottom:0}
.education-entry dt,.education-entry dd{margin:0;font-weight:400;line-height:1.5}
.education-entry dt strong{display:block;color:var(--navy)}
#education+.bio-section{margin-top:28px;padding-top:28px}

/* News dates, articles and a distinct opportunities column. */
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:72px;padding-bottom:88px;align-items:start}
.news-item{padding:32px 0;border-bottom:1px solid var(--line)}
.news-item:first-child{padding-top:0}
.news-item .news-date{margin-bottom:16px}
.news-item h2{font-size:var(--body);line-height:1.5;letter-spacing:0;margin-bottom:16px}
.opportunities{padding:28px 0 0;border-top:2px solid var(--navy)}
.opportunities h2{margin-bottom:24px}
.opportunities .text-link{margin-top:24px}

/* Full photographs in chronological reading order: across each row, then down. */
.gallery-tools{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:32px}
.gallery-tools label{font-weight:600}
.gallery-tools select{border:1px solid var(--line);background:#fff;padding:10px 36px 10px 14px;border-radius:0}
.gallery-tools output{margin-left:auto;color:var(--muted)}
.gallery-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-flow:row;gap:40px 32px;align-items:start;padding-bottom:64px}
.gallery-year-heading{grid-column:1/-1;margin:16px 0 -12px;padding-top:28px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.gallery-year-heading:first-child{margin-top:0;padding-top:0;border-top:0}
.gallery-item{min-width:0;margin:0}
.photo-open{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:4/3;padding:0;border:0;background:transparent;cursor:zoom-in}
.photo-open img{width:100%;height:100%;object-fit:contain}
.gallery-item figcaption{padding-top:18px}
.gallery-item h3{margin:0 0 8px}
.gallery-item p{color:var(--muted)}
.gallery-flow.is-collage{display:block}
.is-collage .gallery-year-heading{margin:48px 0 28px}
.is-collage .gallery-year-heading:first-child{margin-top:0}
.gallery-row{display:flex;gap:var(--gallery-gap,24px);align-items:flex-start;max-width:100%;margin-bottom:40px}
.gallery-row .gallery-item{flex:calc(var(--photo-ratio) * 100) 1 0}
.gallery-row .photo-open{aspect-ratio:var(--photo-ratio)}
.gallery-row .photo-open img{height:auto}
.is-flickr .gallery-row{margin-bottom:28px}
.is-flickr .gallery-item figcaption{padding-top:12px}
.is-flickr .gallery-item h3{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;min-height:54px;margin-bottom:4px}
.is-flickr .gallery-row-single .gallery-item h3{min-height:0}
.is-flickr .gallery-item p{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.is-flickr .gallery-item p:not(:last-child){display:none}
.pswp{--pswp-bg:#10232e;--pswp-icon-color:#fff;z-index:2000}
.pswp__gallery-caption{position:absolute;bottom:0;left:0;width:100%;max-height:120px;overflow:auto;padding:20px max(24px,calc((100% - 1000px)/2));background:#10232ef0;color:#fff;font:18px/1.5 var(--font);text-align:center}
.pswp__counter{font:18px/1.5 var(--font)}

.site-footer{border-top:1px solid var(--line);background:var(--soft);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr .65fr;gap:48px}
.footer-title{font-weight:600;color:var(--navy);margin-bottom:16px}
.footer-grid p{margin-top:0}
.footer-grid a+p{margin-top:16px}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.copyright{padding-top:32px;margin-top:36px;border-top:1px solid var(--line);color:var(--muted)}

@media(max-width:1100px){
  .brand-affiliation{display:none}
  .site-nav{gap:20px}
  .home-hero{column-gap:48px}
  .overview-grid,.group-introduction,.home-updates{gap:48px}
  .reading-layout{grid-template-columns:180px minmax(0,1fr);gap:40px}
  .news-layout{grid-template-columns:minmax(0,1fr) 290px;gap:40px}
  .person{grid-template-columns:260px minmax(0,1fr);gap:28px}
}
@media(max-width:900px){
  html{scroll-padding-top:120px}
  .site-width{width:calc(100% - 64px)}
  .header-inner{min-height:96px;flex-wrap:wrap;gap:0}
  .brand{padding:18px 0}
  .nav-toggle{display:flex;align-items:center;gap:16px}
  .site-nav{display:none;width:100%;align-items:stretch;flex-direction:column;gap:0;padding:4px 0 20px;border-top:1px solid var(--line)}
  .site-nav.is-open{display:flex}
  .site-nav>a,.site-nav summary{padding:12px 0}
  .members-menu{position:static;width:auto;border:0;border-left:1px solid var(--line);padding:0 20px;margin-bottom:12px}
  .home-hero{column-gap:32px;margin-top:16px;padding-top:28px}
  .overview-grid{grid-template-columns:1fr;gap:36px}
  .overview-grid>div>p:last-child{max-width:600px}
  .group-introduction{grid-template-columns:1fr 1fr;gap:32px;padding:64px 0}
  .home-updates{grid-template-columns:1fr;gap:48px;padding-block:64px}
  .page-intro{padding:48px 0 36px;margin-bottom:36px}
  .reading-layout{grid-template-columns:1fr;gap:36px;padding-bottom:64px}
  .page-index{position:static;max-height:none;display:flex;gap:16px;flex-wrap:wrap;overflow:visible;padding-bottom:24px;border-bottom:1px solid var(--line)}
  .page-index .index-label{width:100%;margin-bottom:0}
  .page-index>a{padding:0;border:0}
  .page-research .page-index>a{width:calc(50% - 16px)}
  .index-number{display:inline;margin-right:8px}
  .year-index{display:flex;flex-wrap:wrap;gap:8px 24px}
  .year-index a{padding:0;border:0}
  .reading-content{max-width:none}
  .professor-profile{grid-template-columns:260px minmax(0,1fr);gap:40px}
  .news-layout{grid-template-columns:1fr;gap:48px}
  .opportunities{max-width:700px}
  .gallery-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-links{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:28px}
}
@media(max-width:600px){
  .education-entry{grid-template-columns:1fr;gap:6px}
  .education-entry dt{display:flex;flex-wrap:wrap;gap:4px 16px}
  .site-width{width:calc(100% - 48px)}
  .home-hero{display:flex;flex-direction:column;height:auto;gap:16px;padding:28px 0 0;margin-top:0}
  .hero-copy{position:static;max-width:none;align-self:stretch}
  .hero-image{position:static;width:100%;z-index:auto;margin-top:0}
  .hero-image img{height:auto;aspect-ratio:auto}
  .hero-introduction{justify-content:flex-start;padding:12px 0 40px}
  .hero-deck{max-width:none;padding-top:0}
  .research-overview{padding:40px 0}
  .topic-list a{gap:14px;padding:20px 0}
  .group-introduction{grid-template-columns:1fr;gap:32px;padding:48px 0}
  .section-heading{display:block}
  .section-heading h2{margin-bottom:16px}
  .home-updates{gap:40px;padding-block:48px}
  .page-intro{padding-top:36px}
  .page-research .page-index>a{width:100%}
  .page-intro-integrated{min-height:250px;padding-block:36px}
  .page-backdrop{opacity:.28;mask-image:linear-gradient(90deg,transparent,#000 80%)}
  .page-backdrop-atrium img{transform:none;object-position:center 45%}
  .person{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .person-portrait{width:240px;max-width:100%}
  .person-portrait img{max-height:340px}
  .professor-profile{grid-template-columns:1fr;gap:28px}
  .professor-portrait{max-width:280px}
  .research-figures{grid-template-columns:1fr;gap:24px}
  .gallery-flow{grid-template-columns:1fr}
  .gallery-tools{gap:16px}
  .gallery-tools label{width:100%}
  .gallery-tools output{margin-left:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-links{grid-column:auto}
  .copyright{padding-top:24px;margin-top:28px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
