/* Evolutionary Immunogenetics — group site styles */
:root{
  --ink:#1b1a18; --muted:#5f5a54; --accent:#a8451f; --accent-soft:#f6ece6;
  --bg:#fdfcfa; --card:#ffffff; --line:#e7e0d8; --max:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--accent); text-decoration-thickness:1px; text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3,h4{font-family:Georgia,"Times New Roman",serif; line-height:1.22; margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.6vw,1.85rem); margin-top:2.2em}
h3{font-size:1.18rem; margin-bottom:.35em}
p{margin:0 0 1.05em}
.wrap{max-width:var(--max); margin:0 auto; padding:0 22px}
.skip{position:absolute; left:-9999px; top:0; background:var(--ink); color:#fff; padding:10px 16px; z-index:99}
.skip:focus{left:12px; top:12px}

.visually-hidden{position:absolute; width:1px; height:1px; margin:-1px; padding:0;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0}

/* header */
.site-head{background:var(--card); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:20}
.site-head .wrap{display:flex; flex-wrap:wrap; align-items:center; gap:14px; min-height:68px; padding-block:10px}
.brand{display:flex; align-items:center; gap:11px; text-decoration:none; color:var(--ink)}
.brand-mark{width:34px; height:34px; border-radius:9px; background:var(--accent); color:#fff;
  display:grid; place-items:center; font:600 15px/1 Georgia,serif; letter-spacing:.5px}
.brand-name{font-family:Georgia,serif; font-size:1.02rem; line-height:1.15}
.brand-name small{display:block; font-family:inherit; font-size:.72rem; letter-spacing:.09em;
  text-transform:uppercase; color:var(--muted); font-weight:400}
nav.main{margin-left:auto}
nav.main ul{display:flex; flex-wrap:wrap; gap:2px; list-style:none; margin:0; padding:0}
nav.main a{display:block; padding:8px 12px; border-radius:7px; color:var(--ink); text-decoration:none; font-size:.95rem}
nav.main a:hover{background:var(--accent-soft); color:var(--accent)}
nav.main a[aria-current="page"]{background:var(--accent-soft); color:var(--accent); font-weight:600}

/* hero */
.hero{border-bottom:1px solid var(--line); background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero .wrap{display:grid; grid-template-columns:1.15fr .85fr; gap:40px; align-items:center; padding-block:56px}
.hero h1{margin-bottom:.45em}
.eyebrow{font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--accent);
  font-weight:700; margin-bottom:14px}
.lede{font-size:1.1rem; color:var(--muted); max-width:56ch}
.hero-figure{margin:0}
.hero-figure img{border-radius:12px; border:1px solid var(--line); box-shadow:0 12px 30px rgba(27,26,24,.09)}
.hero-figure figcaption{font-size:.8rem; color:var(--muted); margin-top:9px; line-height:1.45}

/* sections, cards */
section{padding-block:8px}
.cards{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; margin:26px 0 8px}
.card{background:var(--card); border:1px solid var(--line); border-radius:12px; padding:22px}
.card h3{margin-top:0}
.card p{color:var(--muted); margin-bottom:.8em}
.card .more{font-size:.9rem; font-weight:600}
.pill{display:inline-block; background:var(--accent-soft); color:var(--accent); font-size:.78rem;
  font-weight:600; letter-spacing:.03em; padding:3px 10px; border-radius:999px; margin-bottom:12px}

/* news */
.news{list-style:none; margin:18px 0 0; padding:0; border-top:1px solid var(--line)}
.news li{display:grid; grid-template-columns:132px 1fr; gap:18px; padding:16px 0; border-bottom:1px solid var(--line)}
.news time{color:var(--muted); font-size:.86rem; font-variant-numeric:tabular-nums; padding-top:2px}
.news strong{display:block; margin-bottom:2px}

/* people */
.person{display:grid; grid-template-columns:180px 1fr; gap:26px; padding:26px 0; border-bottom:1px solid var(--line)}
.person:first-of-type{border-top:1px solid var(--line); margin-top:22px}
.person img{border-radius:10px; border:1px solid var(--line); width:180px; height:180px; object-fit:cover}
.person .role{font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); font-weight:700; margin-bottom:6px}
.person h3{margin-bottom:.4em; font-size:1.3rem}
.person p{color:var(--muted)}
.alumni{display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:20px; margin-top:22px}
.alum{background:var(--card); border:1px solid var(--line); border-radius:12px; padding:20px; display:grid;
  grid-template-columns:64px 1fr; gap:14px; align-items:start}
.alum img{width:64px; height:64px; border-radius:8px; object-fit:cover; border:1px solid var(--line)}
.alum h4{margin:0 0 3px; font-size:1.02rem}
.alum p{font-size:.9rem; color:var(--muted); margin:0}

/* publications */
.filters{display:flex; flex-wrap:wrap; gap:8px; margin:22px 0 6px}
.filters a{font-size:.85rem; padding:6px 12px; border:1px solid var(--line); border-radius:999px;
  text-decoration:none; background:var(--card); color:var(--ink)}
.filters a:hover{border-color:var(--accent); color:var(--accent)}
.pubs{list-style:none; margin:16px 0 0; padding:0}
.pub{padding:18px 0; border-bottom:1px solid var(--line)}
.pub .authors{color:var(--muted); font-size:.94rem}
.pub .title{display:block; margin:4px 0 4px; font-weight:600; color:var(--ink)}
.pub .venue{font-size:.94rem; color:var(--ink)}
.pub .doi{font-size:.86rem; word-break:break-word}
.pub .year{float:right; font-family:Georgia,serif; color:var(--accent); font-size:.95rem; margin-left:14px}

/* misc blocks */
.callout{background:var(--accent-soft); border:1px solid #ecd9cf; border-radius:12px; padding:20px 22px; margin:26px 0}
.callout p:last-child{margin-bottom:0}
table.data{width:100%; border-collapse:collapse; margin:18px 0; font-size:.95rem}
table.data th,table.data td{text-align:left; padding:11px 12px; border-bottom:1px solid var(--line); vertical-align:top}
table.data th{background:#faf7f4; font-size:.8rem; letter-spacing:.06em; text-transform:uppercase; color:var(--muted)}

footer.site-foot{border-top:1px solid var(--line); background:var(--card); margin-top:64px; padding-block:34px}
footer.site-foot .wrap{display:flex; flex-wrap:wrap; gap:20px; justify-content:space-between; align-items:flex-start}
footer.site-foot p{margin:0; font-size:.9rem; color:var(--muted)}
footer.site-foot a{color:var(--ink)}
.foot-links{display:flex; gap:16px; flex-wrap:wrap; font-size:.9rem}

@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr; padding-block:36px}
  .person{grid-template-columns:1fr; gap:14px}
  .person img{width:130px; height:130px}
  .news li{grid-template-columns:1fr; gap:4px}
}