:root{
  --mist:#d8dbe2;
  --sky:#a9bcd0;
  --teal:#58a4b0;
  --navy:#373f51;
  --rose:#daa49a;
  --ink:#252b39;      /* deeper navy, used for text on teal / rose / sky tiles */
  --rule:rgba(55,63,81,.28);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--mist);
  color:var(--navy);
  font-family:'Figtree',system-ui,sans-serif;
  font-size:1.02rem;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Newsreader',Georgia,serif;font-weight:500;line-height:1.1;letter-spacing:-.012em;color:var(--ink)}
a{color:inherit;text-decoration:none}
svg{display:block}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}

.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- nav ---------- */
.site-nav{position:sticky;top:0;z-index:50;background:var(--mist);border-bottom:1px solid var(--rule)}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:'Newsreader',serif;font-size:1.4rem;font-weight:600;color:var(--ink)}
.links{margin-left:auto;display:flex;gap:28px;font-size:.96rem}
.links a{padding:6px 0;border-bottom:3px solid transparent;background:linear-gradient(var(--u,var(--teal)),var(--u,var(--teal))) left bottom/0 3px no-repeat;transition:background-size .3s ease}
.links a:hover,.links a:focus-visible{background-size:100% 3px}
#nav-publications{--u:var(--navy)}
#nav-learn{--u:var(--teal)}
#nav-teaching{--u:var(--sky)}
#nav-about{--u:var(--rose)}
.links a[aria-current="page"]{border-bottom-color:var(--u,var(--navy));font-weight:600}
.menu-btn{margin-left:auto;display:none;background:none;border:1px solid var(--navy);color:var(--navy);padding:6px 14px;font:inherit;border-radius:3px;cursor:pointer}

/* ---------- home banner ---------- */
/* Drop a file named header.jpg in images/ and it replaces the placeholder pattern. */
.banner{
  padding-top:calc(7.5vw + 26px);   /* leaves room for the colony row */
  display:flex;align-items:flex-end;
  background-color:var(--sky);
  background-image:
    url('../images/header.jpg'),
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cx='967.0' cy='53.4' r='6.3' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/><circle cx='976.6' cy='19.1' r='5.6' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/><circle cx='1011.3' cy='49.4' r='6.2' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/><circle cx='1067.3' cy='64.9' r='5.9' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/><circle cx='1056.1' cy='45.5' r='5.9' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/><circle cx='1059.3' cy='25.9' r='6.6' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/><circle cx='1150.7' cy='28.6' r='6.5' fill='%23daa49a' stroke='%23c98d82' stroke-width='.8'/></svg>");
  background-size:cover,100% auto;
  background-repeat:no-repeat;
  background-position:center,center 26px;
}
.banner .wrap{width:100%}
.banner-text{padding:36px 0 38px}
.banner h1{font-size:clamp(2.8rem,6.4vw,5rem);max-width:14ch}
.banner p{margin-top:16px;font-size:1.1rem;max-width:44ch;color:var(--ink)}

/* ---------- tiles ---------- */
.tiles{padding:56px 0 84px}
.tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{
  aspect-ratio:1/1;
  padding:28px;
  display:flex;flex-direction:column;justify-content:space-between;
  border-radius:4px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.tile:hover,.tile:focus-visible{transform:translateY(-6px);box-shadow:0 14px 24px rgba(37,43,57,.22)}
.tile svg{width:54px;height:54px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tile h2{font-size:2rem;color:inherit;margin-bottom:8px}
.tile p{font-size:.95rem;line-height:1.45;max-width:26ch}
.t-navy{background:var(--navy);color:var(--mist)}
.t-navy h2{color:var(--mist)}
.t-teal{background:var(--teal);color:var(--ink)}
.t-rose{background:var(--rose);color:var(--ink)}
.t-sky{background:var(--sky);color:var(--ink)}

/* ---------- home sections ---------- */
.bands{padding:56px 0 84px}
.bands .wrap{display:flex;flex-direction:column;gap:22px}
.band{display:flex;align-items:stretch;min-height:200px;background:#e7e9ee;border-radius:4px;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.band:nth-child(even){flex-direction:row-reverse}
.band:hover,.band:focus-visible{transform:translateY(-4px);box-shadow:0 14px 24px rgba(37,43,57,.18)}
.band-accent{flex:0 0 30%;display:flex;align-items:center;justify-content:center}
.band-accent svg{width:78px;height:78px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s ease}
.band:hover .band-accent svg{transform:scale(1.08)}
.band.t-navy,.band.t-teal,.band.t-rose,.band.t-sky{color:var(--navy)}
.band.t-navy h2,.band.t-teal h2,.band.t-rose h2,.band.t-sky h2{color:var(--ink)}
.band.t-navy .band-accent{background:var(--navy);color:var(--mist)}
.band.t-teal .band-accent{background:var(--teal);color:var(--ink)}
.band.t-rose .band-accent{background:var(--rose);color:var(--ink)}
.band.t-sky .band-accent{background:var(--sky);color:var(--ink)}
.band-body{flex:1;padding:34px 40px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.band h2{font-size:2.1rem}
.band p{max-width:52ch;color:var(--navy)}
.band-link{align-self:flex-start;margin-top:6px;font-weight:600;font-size:.95rem;border-bottom:2px solid currentColor;padding-bottom:1px}
.band.t-navy .band-link{border-bottom-color:var(--navy)}
.band.t-teal .band-link{border-bottom-color:var(--teal)}
.band.t-rose .band-link{border-bottom-color:var(--rose)}
.band.t-sky .band-link{border-bottom-color:var(--sky)}
.band-link::after{content:"\2192";display:inline-block;margin-left:6px;transition:transform .2s ease}
.band:hover .band-link::after{transform:translateX(5px)}
@media (max-width:700px){
  .band,.band:nth-child(even){flex-direction:column}
  .band-accent{flex:0 0 120px}
  .band-body{padding:26px 24px}
}
@media (prefers-reduced-motion:reduce){.band,.band-accent svg,.band-link::after{transition:none}.band:hover{transform:none;box-shadow:none}.band:hover .band-accent svg,.band:hover .band-link::after{transform:none}}

/* ---------- inner pages ---------- */
.text-link{font-weight:600;border-bottom:2px solid var(--teal);padding-bottom:1px;background:linear-gradient(var(--navy),var(--navy)) left bottom/0 2px no-repeat;transition:background-size .3s ease}
.text-link:hover,.text-link:focus-visible{background-size:100% 2px}
.page-head{background:var(--sky);border-bottom:1px solid var(--rule)}
.page-head .wrap{padding-top:64px;padding-bottom:56px}
.page-head h1{font-size:clamp(2.4rem,5vw,3.6rem);margin-bottom:14px}
.page-head p{max-width:56ch;color:var(--ink);font-size:1.08rem}
.page-head.head-navy{background:var(--navy);color:var(--mist)}
.page-head.head-navy h1,.page-head.head-navy p{color:var(--mist)}
.page-head.head-navy .back{border-bottom-color:var(--mist)}
.page-head.head-navy .text-link{background-image:linear-gradient(var(--mist),var(--mist))}
.page-head.head-teal{background:var(--teal)}
.page-head.head-sky{background:var(--sky)}
.page-head.head-rose{background:var(--rose)}
.page-head.head-teal .back,.page-head.head-rose .back{border-bottom-color:var(--ink)}
.back{display:inline-block;margin-bottom:26px;font-size:.92rem;border-bottom:1px solid var(--navy)}

main.inner{padding:60px 0 96px}

.note{
  background:var(--rose);color:var(--ink);
  padding:14px 18px;border-radius:3px;font-size:.92rem;margin-bottom:40px;max-width:70ch;
}

.row{display:grid;grid-template-columns:120px 1fr auto;gap:28px;padding:26px 0;border-top:1px solid var(--rule);align-items:start}
.rows .row:last-child{border-bottom:1px solid var(--rule)}
.row .when{font-family:'Newsreader',serif;font-size:1.3rem;color:var(--ink)}
.row h3{font-size:1.3rem;margin-bottom:6px;max-width:42ch}
.row p{font-size:.95rem;max-width:62ch}
.row .meta{font-size:.86rem;margin-top:8px;color:var(--navy)}
.row .go{font-size:.92rem;font-weight:600;border-bottom:2px solid var(--teal);padding-bottom:1px;white-space:nowrap;background:linear-gradient(var(--navy),var(--navy)) left bottom/0 2px no-repeat;transition:background-size .3s ease}
.row .go:hover,.row .go:focus-visible{background-size:100% 2px}

.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.pill{font-size:.78rem;padding:3px 11px;border:1px solid var(--navy);border-radius:99px}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--navy);color:var(--mist);padding:30px;border-radius:4px;display:flex;flex-direction:column;gap:10px;transition:transform .25s ease,box-shadow .25s ease}
.card:hover,.card:focus-within{transform:translateY(-6px);box-shadow:0 14px 24px rgba(37,43,57,.22)}
.card:nth-child(4n+2){background:var(--teal);color:var(--ink)}
.card:nth-child(4n+3){background:var(--sky);color:var(--ink)}
.card:nth-child(4n+4){background:var(--rose);color:var(--ink)}
.card h3{font-size:1.45rem;color:inherit}
.card-fig{height:110px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.8rem;border:1.5px dashed currentColor;border-radius:3px;opacity:.85;padding:8px;margin-bottom:6px}
.card-fig.has-img{border:0;opacity:1;padding:0}
.card-fig img{width:100%;height:100%;object-fit:contain}
.card p{font-size:.94rem}
.card .pill{border-color:currentColor}
.card .go{margin-top:auto;padding-top:14px;font-weight:600;font-size:.92rem;text-decoration:underline;text-underline-offset:4px}

.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.frame{aspect-ratio:1/1;border:2px dashed var(--navy);border-radius:4px;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;font-size:.92rem}
.frame img{width:100%;height:100%;object-fit:cover}
.row.featured,.row.first-author{border-left:5px solid var(--teal);padding-left:9px;margin-left:-14px}
.row.first-author{border-left-color:var(--rose)}
.row.featured.first-author{border-left-color:var(--teal);box-shadow:-5px 0 0 0 var(--mist),-10px 0 0 0 var(--rose);margin-left:-12px;padding-left:7px}
.tags{display:flex;gap:8px;margin-bottom:8px}
.tag{font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:2px 10px;border-radius:99px;color:var(--ink)}
.tag-feat{background:var(--teal)}
.tag-first{background:var(--rose)}
.pub-figure{margin-top:16px;max-width:62ch}
.pub-figure .frame.fig{margin-top:0}
.pub-img{display:block;width:100%;max-width:62ch;height:auto;margin-top:16px}
.pub-figure figcaption{font-size:.88rem;margin-top:10px;color:var(--ink)}
.panels{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px;max-width:62ch}
.panel.tile{padding:14px;gap:12px;aspect-ratio:1/1}
.panel-fig{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.78rem;border:1.5px dashed currentColor;border-radius:3px;opacity:.85;padding:8px}
.panel-icon{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.panel-icon svg{width:62%;max-width:84px;height:auto;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.panel-fig img{width:100%;height:100%;object-fit:contain}
.panel-label{font-family:'Newsreader',Georgia,serif;font-weight:500;font-size:1.05rem;line-height:1.15;color:inherit}
@media (max-width:600px){.panels{grid-template-columns:1fr}.panel.tile{aspect-ratio:auto;min-height:220px}}
.frame.fig{aspect-ratio:16/9;margin-top:16px;max-width:62ch}

footer{background:var(--navy);color:var(--mist);padding:48px 0 36px}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer h2{color:var(--mist);font-size:1.6rem;margin-bottom:6px}
footer a{border-bottom:1px solid var(--teal);background:linear-gradient(var(--rose),var(--rose)) left bottom/0 3px no-repeat;transition:background-size .3s ease}
footer a:hover,footer a:focus-visible{background-size:100% 3px}
footer .small{font-size:.86rem;opacity:.85;margin-top:6px}

@media (max-width:860px){
  .wrap{padding:0 22px}
  .tile-grid{grid-template-columns:1fr 1fr}
  .art-grid{grid-template-columns:1fr 1fr}
  .card-grid{grid-template-columns:1fr}
  .row{grid-template-columns:1fr;gap:8px}
  .menu-btn{display:block}
  .links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--mist);flex-direction:column;gap:0;padding:8px 22px 18px;border-bottom:1px solid var(--rule)}
  .links.open{display:flex}
  .links a{padding:12px 0}
}
@media (max-width:520px){
  .tile-grid,.art-grid{grid-template-columns:1fr}
  .tile{aspect-ratio:auto;min-height:220px;gap:30px}
}
.card .go::after{content:"\2192";display:inline-block;margin-left:6px;transition:transform .2s ease}
.card .go:hover::after,.card .go:focus-visible::after{transform:translateX(5px)}
@media (prefers-reduced-motion:reduce){
  .tile,.card,.links a,footer a,.card .go::after{transition:none}
  .tile:hover,.card:hover,.card:focus-within{transform:none;box-shadow:none}
  .card .go:hover::after{transform:none}
}