/* Mou Group website: Classic (Lu-style) layout, direction A of the homepage mockups.
   Type is IBM Plex, as in the Inspection Log mockup: Sans for text and headings,
   Sans Condensed for the wordmark, Mono for labels, dates and the menu. */
:root{
  --maroon:#7a0019;--maroon-2:#a3002a;--gold:#ffcc33;
  --ink:#1d1b1a;--muted:#5e5a57;--line:#e7e2de;--line-2:#ece7e3;--soft:#f7f5f3;--chip:#d9d2cc;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --cond:"IBM Plex Sans Condensed","Arial Narrow",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 var(--sans);color:var(--ink);background:#fff}
a{color:var(--maroon)}a:hover{color:var(--maroon-2)}
strong,b{font-weight:600}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}   /* fixed maximum width: 1092px of content, like the Lu group site */
.muted{color:var(--muted)}
.eyebrow{font:500 12px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* header: maroon strip, masthead, gold-ruled menu */
.strip{background:var(--maroon);color:#fff}
.strip .wrap{min-height:36px;display:flex;align-items:center;font:500 12px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px 24px;padding-top:32px;padding-bottom:28px}
.brand{display:flex;align-items:center;gap:20px;color:inherit;text-decoration:none}
.brand:hover{color:inherit}
.wordmark{display:block;font:600 46px/1 var(--cond);letter-spacing:-.01em;color:var(--maroon)}
.tagline{display:block;margin-top:6px;font-size:16px;line-height:1.4;color:var(--muted)}
.mh-cta{font:500 13px/1.4 var(--mono);letter-spacing:.02em;white-space:nowrap}
.navbar{background:var(--soft);border-top:1px solid var(--line);border-bottom:3px solid var(--gold)}
.nav .links{display:flex;min-height:50px}
.nav a{display:flex;align-items:center;padding:0 14px;color:var(--ink);text-decoration:none;font:500 13px/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.nav a:hover{color:var(--maroon)}
.nav a.on{color:var(--maroon);box-shadow:inset 0 -3px 0 var(--maroon)}
.nt,.burger{display:none}
.navbar{position:relative}
@media(max-width:920px){   /* menu collapses at 920px and below; the 8-item menu (with "Awards") is 850px wide and needs a 898px window */
  .burger{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 14px;cursor:pointer;font:500 13px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase}
  .burger::before{content:"\2630";font-size:18px}
  .nav .links{display:none;flex-direction:column;min-height:0;margin:0;padding-bottom:8px}
  .nt:checked~.links{display:flex}
  .nt{display:block;position:absolute;top:0;left:0;width:1px;height:1px;margin:0;opacity:0}   /* focusable, so the menu opens with Tab + Space */
  .nt:focus-visible+.burger{outline:2px solid var(--maroon);outline-offset:-3px}
  .nav a{padding:10px 14px}.nav a.on{box-shadow:none}
}
main.wrap{padding-top:56px;padding-bottom:72px}
/* accessibility helpers */
.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}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:10;padding:8px 14px;background:#fff;color:var(--maroon);border:2px solid var(--maroon);font:500 14px/1.4 var(--mono)}
.skip-link:focus{left:16px}

/* type */
h1,h2,h3{font-family:var(--sans);font-weight:600;line-height:1.25;letter-spacing:-.005em;color:var(--ink)}
.page-title{margin:0 0 28px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:34px;letter-spacing:-.01em}
h2{font-size:24px;margin:1.8em 0 .6em}
h3{font-size:19px;line-height:1.3}

/* homepage: one column, like the Lu group site */
.home{display:flex;flex-direction:column;gap:44px}
.home h2{margin:0;font-size:30px;line-height:1.2;letter-spacing:-.01em}
.h-intro{display:flex;flex-direction:column;gap:14px}
.statement{margin:0;font-size:18px;line-height:1.65}
.pr-note{margin:0;padding-left:16px;border-left:3px solid var(--gold);font-size:16px;line-height:1.6}   /* "For practitioners" note */
.chips{display:flex;flex-wrap:wrap;gap:10px;padding-top:4px}
.chips a{padding:6px 11px;border:1px solid var(--chip);font:500 13.5px/1.4 var(--sans);color:var(--muted);text-decoration:none}
.chips a:hover{border-color:var(--maroon);color:var(--maroon)}
.openings{display:flex;flex-direction:column;gap:10px;padding:24px 28px;background:var(--soft);border-top:3px solid var(--gold)}
.openings .eyebrow{color:var(--maroon)}
.openings h2{margin:0;font-size:23px;line-height:1.25}
.openings p{margin:0;font-size:16px;line-height:1.6}
.op-topics{margin:0;padding-left:1.25em;font-size:16px;line-height:1.55}.op-topics li{margin:.25em 0}.op-topics li::marker{color:var(--maroon)}
.em{font:500 15px/1 var(--mono);color:var(--maroon);text-decoration:none}.em:hover{text-decoration:underline}
.h-news{display:flex;flex-direction:column;gap:8px}
.h-news h2{margin-bottom:6px}
.all-news{margin:6px 0 0;font:500 13.5px/1.4 var(--mono);letter-spacing:.02em}   /* link from the homepage to /news/ */
.sponsors{display:flex;flex-direction:column;gap:14px}   /* "Supported by" row, under the openings box (Sean, 2026-09-30) */
.logos{display:flex;flex-wrap:wrap;align-items:center;gap:24px 44px}
.logos img{display:block;height:var(--h,56px);width:auto;max-width:var(--mw,240px);object-fit:contain}   /* --h / --mw: per-logo height and max width from home.yml */
@media(max-width:560px){.logos{gap:18px 28px}.logos img{height:calc(var(--h,56px) * .72)}}

/* homepage top: statement and openings on the left, the PI on the right, above News */
.h-top{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:56px;align-items:start}
.h-main{display:flex;flex-direction:column;gap:44px;min-width:0}
.h-pi{display:flex;flex-direction:column;gap:14px}
.h-pi img{display:block;width:100%;height:auto;aspect-ratio:7/8;object-fit:cover;background:var(--soft)}
.h-pi-text{display:flex;flex-direction:column;gap:6px;min-width:0}
.h-pi .pi-name{font-size:21px;font-weight:600;line-height:1.25;color:var(--ink);text-decoration:none}
.h-pi .pi-name:hover{color:var(--maroon)}
.h-pi .pi-role{font-size:15px;line-height:1.5;color:var(--muted)}
.pi-say{margin:-6px 0 10px;font-size:14px;line-height:1.4;font-style:italic;color:var(--muted)}.h-pi .pi-say{margin:-3px 0 2px}   /* how to say Shancong */
.pi-email{font:500 14px/1.4 var(--mono);color:var(--maroon);text-decoration:none}.pi-email:hover{text-decoration:underline}
.h-pi .pi-links{display:flex;flex-wrap:wrap;gap:2px 14px;margin:4px 0 0;font:500 13px/1.6 var(--mono)}
@media(max-width:1100px){.h-top{grid-template-columns:minmax(0,1fr) 240px;gap:40px}}
@media(max-width:900px){   /* one column: the PI block sits between Openings and News */
  .h-top{grid-template-columns:1fr;gap:44px}
  .h-pi{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;align-items:start;max-width:600px}
}

/* news list (homepage and /news/) */
.news{list-style:none;margin:0;padding:0}
.news>li{display:flex;align-items:baseline;gap:16px;padding:14px 0;border-top:1px solid var(--line-2)}
.news>li:last-child{border-bottom:1px solid var(--line-2)}
.news .d{width:80px;flex-shrink:0;font:14px/1.5 var(--mono);color:var(--muted)}
.news .t{width:84px;flex-shrink:0;font:500 12px/1.5 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--maroon)}
.news .b{flex:1;min-width:0;font-size:16px;line-height:1.55}
.news .b ul{margin:.35em 0 0;padding-left:1.2em}.news .b ul li{margin:.15em 0}
.news-fig{margin:12px 0 0;display:flex;flex-direction:column;gap:6px}
.news-fig img{display:block;width:520px;max-width:100%;height:auto;background:#fff}   /* no border (Sean, 2026-09-30) */
.news-fig figcaption{font-size:13.5px;line-height:1.45;color:var(--muted)}

/* website and video preview cards */
.link-card,.video-card{display:flex;max-width:560px;margin-top:12px;border:1px solid var(--line);background:#fff;text-decoration:none;color:inherit}
.link-card:hover,.video-card:hover{border-color:var(--maroon);color:inherit}
.lc-img{width:168px;flex-shrink:0;object-fit:cover;background:var(--soft)}
.lc-mark{width:108px;flex-shrink:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:8px;background:var(--maroon);color:var(--gold);font:500 15px/1.3 var(--mono);letter-spacing:.02em}
.link-card.lg{flex-direction:column}   /* large preview (link.large): the site's share image in full above the title */
.link-card.lg .lc-img{width:100%;height:auto;aspect-ratio:auto}
.link-card.lg .lc-mark{width:auto;min-height:96px}
.lc-body,.vc-body{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:12px 16px;min-width:0}
.lc-site,.vc-kicker{font:12px/1.4 var(--mono);color:var(--muted)}
.lc-title,.vc-title{font-weight:600;line-height:1.35;color:var(--maroon)}
.lc-desc,.vc-desc{font-size:14px;line-height:1.45;color:var(--muted)}
.vc-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vc-thumb{position:relative;width:176px;flex-shrink:0;align-self:stretch;min-height:99px;aspect-ratio:16/9;background:#2a2a2a;overflow:hidden}
.vc-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vc-thumb img.lb{top:-17.6%;bottom:auto;height:135.2%}   /* YouTube hqdefault: crop the letterbox bars */
.vc-mark{position:absolute;left:10px;top:9px;font:500 11px/1 var(--mono);letter-spacing:.06em;color:var(--gold)}
.vc-play{position:absolute;left:50%;top:50%;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:rgba(122,0,25,.92)}
.vc-play::after{content:"";position:absolute;left:17px;top:13px;border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}

/* people */
/* one row per person, most senior first (Sean, 2026-10-01; replaced the card grid) */
.plist{list-style:none;margin:0;padding:0}
.prow{display:grid;grid-template-columns:112px minmax(0,1fr);gap:24px;align-items:start;padding:18px 0;border-top:1px solid var(--line-2)}
.prow:last-child{border-bottom:1px solid var(--line-2)}
.pphoto{display:block;width:112px;height:112px;border-radius:50%;object-fit:cover;object-position:50% 28%;background:var(--soft);box-shadow:0 0 0 1px var(--line)}   /* thin ring so white-background headshots still read as circles */
.ph{display:grid;place-items:center;background:var(--soft);font:600 34px var(--cond);color:#bbb}
.pbody{min-width:0}.pbody h3{margin:2px 0 2px;font-size:18px}
.pbody p{margin:.15em 0;font-size:15px;line-height:1.5;color:var(--muted)}
.pbody .pmeta{font:13px/1.6 var(--mono)}.pbody .cadv{font-style:italic}
.pbody .research{margin-top:.35em;color:var(--ink);font-size:15.5px}
.paward .award{margin-left:0}
@media(max-width:560px){.prow{grid-template-columns:84px minmax(0,1fr);gap:16px}.pphoto{width:84px;height:84px}}
.h2-note{font-size:17px;font-weight:400;letter-spacing:0;color:var(--muted)}   /* people.yml section_notes */
@media(max-width:560px){.h2-note{display:block;margin-top:4px;font-size:15px;line-height:1.45}}
.pi{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:start}
.pi img,.pi .ph{width:200px;height:200px;border-radius:0;object-fit:cover;margin:0}
.pi-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0 0 1em;font:500 13px/1.6 var(--mono)}
.pi-links a{display:inline-block;padding:2px 0}   /* 24px+ tap targets (WCAG 2.5.8) */
.former{padding-left:1.2em}.former li{margin:.3em 0}
@media(max-width:640px){.pi{grid-template-columns:1fr}}

/* publications */
.pubs{padding-left:1.4em}.pubs li{margin-bottom:14px}
sup.mk{line-height:0;padding-left:1px;color:var(--maroon);font-weight:700}   /* student advisee marks (* graduate, # undergraduate) */
.pub-key{margin:0 0 4px;font-size:14px;color:var(--muted)}.pub-key span+span{margin-left:20px}
.venue{font-style:italic}
.award{display:inline-block;margin-left:6px;padding:1px 8px;background:var(--gold);color:#4a3500;font:500 11.5px/1.7 var(--mono);letter-spacing:.04em;text-transform:uppercase}
.tag{display:inline-block;margin-left:4px;padding:0 8px;border:1px solid var(--line);font:12px/1.6 var(--mono);text-decoration:none}

/* research */
.area{margin:24px 0;padding:6px 26px 18px;background:var(--soft);border-top:3px solid var(--gold)}
.area h2{margin-top:.9em}
.fig{margin:16px 0 8px}.fig img{display:block;width:100%;height:auto;border:1px solid var(--line);background:#fff}
.fig figcaption{margin-top:6px;font-size:13.5px;line-height:1.45;color:var(--muted)}

/* funded projects */
.pj-lead{margin:0 0 16px;font-size:17px;line-height:1.6}
.pj-jump{margin:6px 0 10px;padding-left:1.3em}   /* the projects as a list at the top (Sean, 2026-10-03), each with its funding */
.pj-jump>li{margin:.4em 0}.pj-jump ul{margin:.25em 0 0;padding-left:1.3em}.pj-jump ul li{margin:.2em 0}
.pj-jump>li>a{font-weight:600;color:var(--ink)}.pj-jump>li>a:hover{color:var(--maroon)}
.pj-jump .jc-sep{color:var(--muted)}.pj-jump .jc-a{font:500 14px/1.5 var(--mono);color:var(--maroon)}
.project{margin:28px 0;padding:6px 0 28px;background:#fff;border-top:3px solid var(--gold);scroll-margin-top:12px}   /* white, no panel (Sean, 2026-09-30) */
.project h2{margin:.9em 0 .45em;line-height:1.3}
.pj-text{max-width:880px}.pj-text p{margin:0}
.pj-meta{display:flex;flex-wrap:wrap;gap:14px 56px;margin:16px 0 0}
.pj-meta .eyebrow{margin-bottom:4px}
.pj-meta ul{margin:0;padding-left:1.1em}.pj-meta li{margin:.15em 0}.pj-meta p{margin:0}
.pj-figs{display:flex;flex-wrap:wrap;align-items:flex-start;gap:22px 28px;margin-top:20px}
.pj-figs figure{margin:0;max-width:100%}
.pj-figs img{display:block;width:100%;height:auto;background:#fff}   /* no border: the sections are on white since c6b84de (Sean, 2026-09-30) */
.pj-figs figcaption{margin-top:6px;font-size:13.5px;line-height:1.45;color:var(--muted)}
.pj-figs:empty,.pj-text:empty{display:none}
.pj-figs a{display:block;cursor:zoom-in}   /* figures open full size */
/* parts: sub-projects side by side in one section, each column flowing on its own */
.pj-parts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 48px;align-items:start;margin-top:4px}
.pj-part{min-width:0;padding-top:14px;border-top:1px solid var(--line-2);scroll-margin-top:12px}
.pj-part h3{margin:0 0 10px;font-size:19px;line-height:1.35}
.pj-part .pj-meta{gap:12px 40px}
@media(max-width:760px){.pj-parts{grid-template-columns:1fr}}

/* honors and awards */
.hn-sub{margin:1.3em 0 .45em;font-size:17px;color:var(--muted)}
.hn-list{list-style:none;margin:0;padding:0}
.hn-list>li{display:grid;grid-template-columns:100px minmax(0,1fr);gap:2px 20px;padding:10px 0;border-top:1px solid var(--line-2);font-size:16px;line-height:1.5}
.hn-list>li:last-child{border-bottom:1px solid var(--line-2)}
.hn-y{font:500 13.5px/1.75 var(--mono);color:var(--maroon);white-space:nowrap}
@media(max-width:560px){.hn-list>li{grid-template-columns:1fr}}

/* teaching */
.tc-list{list-style:none;margin:0;padding:0}
.tc-list>li{display:grid;grid-template-columns:100px minmax(0,1fr);gap:4px 20px;padding:16px 0;border-top:1px solid var(--line-2)}
.tc-list>li:last-child{border-bottom:1px solid var(--line-2)}
.tc-code{font:500 13.5px/1.75 var(--mono);color:var(--maroon);letter-spacing:.02em;white-space:nowrap}
.tc-title{font-size:17px;font-weight:600;line-height:1.4}
.tc-meta{margin-top:2px;font:13px/1.6 var(--mono);color:var(--muted)}
.tc-note{margin-top:4px;font-size:15px;line-height:1.5}
.tc-links{display:flex;flex-wrap:wrap;gap:2px 16px;margin-top:6px;font:500 13px/1.6 var(--mono)}
.mat-card{margin-top:12px}
.mat-card .lc-img{width:190px;object-fit:contain;padding:8px;background:#fff;border-right:1px solid var(--line)}
@media(max-width:560px){.tc-list>li{grid-template-columns:1fr;gap:2px}.mat-card .lc-img{border-right:0;border-bottom:1px solid var(--line)}}

/* workshops: cards like the "Prior Workshops" list on the VISION'26 site (banner on top, centered title) */
.ws-cards{display:flex;flex-direction:column;gap:24px}
.ws-card{display:block;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.05);text-decoration:none;color:inherit;transition:box-shadow .15s}
.ws-card:hover{color:inherit;box-shadow:0 6px 22px rgba(0,0,0,.11)}
.ws-card img{display:block;width:100%;height:auto;max-height:320px;object-fit:cover}
.ws-body{display:flex;flex-direction:column;align-items:center;gap:6px;padding:26px 20px 28px;text-align:center}
.ws-body p{margin:0}
.ws-kicker{font:500 12px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ws-title{margin:0;font-size:20px;font-weight:600;line-height:1.35;color:var(--ink)}
.ws-card.latest .ws-title{font-size:23px}
.vi{color:#5b8019}   /* VISION green, darkened from the workshop sites' #86bc25 to pass WCAG AA contrast (4.6:1) */
.ws-sub{font-size:16px}
.ws-where{font-size:15.5px;color:#333}
.ws-meta{font:13px/1.6 var(--mono);color:var(--muted)}.ws-meta .nw{white-space:nowrap}   /* keeps "Co-chair" on one line */
.ws-note{max-width:720px;font-size:15px;line-height:1.5;color:var(--muted)}
.ws-cards+p{margin-top:28px}

/* footer */
.site-footer{padding-bottom:40px;color:var(--muted);font-size:14px;line-height:1.6}
.ft{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px 24px;padding:26px 28px;background:var(--soft);border-top:3px solid var(--maroon)}
.ft-name{font-weight:600;color:var(--ink)}

/* phones */
@media(max-width:560px){
  .wrap{padding:0 16px}
  .strip .wrap{padding-top:8px;padding-bottom:8px;font-size:11px}
  .masthead .wrap{padding-top:22px;padding-bottom:20px}
  .wordmark{font-size:34px}.tagline{font-size:14px}
  main.wrap{padding-top:36px;padding-bottom:56px}
  .home h2{font-size:26px}.page-title{font-size:28px}.statement{font-size:17px;line-height:1.6}
  .openings{padding:20px}.ft{padding:20px 18px}
  .h-pi{grid-template-columns:112px minmax(0,1fr);gap:16px}.h-pi .pi-name{font-size:19px}
  .project{padding:4px 0 22px}.project h2{font-size:21px}
  .ws-body{padding:18px 14px 20px}.ws-title{font-size:18px}.ws-card.latest .ws-title{font-size:19px}
  .news>li{flex-wrap:wrap;gap:2px 12px}.news .d,.news .t{width:auto}.news .b{flex-basis:100%}
  .link-card,.video-card{flex-direction:column}
  .vc-thumb{width:100%;min-height:0;aspect-ratio:16/9}
  .link-card .lc-img{width:100%;height:auto;aspect-ratio:1.91/1}
  .link-card .lc-mark{width:auto;min-height:72px}
}