/* ============================================================
   Lab landing — section styles (hero, research, institutions,
   papers, tools, news, join). Uses tokens from lab-base.css.
   ============================================================ */

/* ---------- genome-track motif ---------- */
.track{height:34px;width:100%;display:block}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(227,163,36,.10), transparent 55%),
    linear-gradient(180deg,var(--forest) 0%, var(--forest-2) 100%);
  color:var(--on-dark);position:relative;overflow:hidden;padding:88px 0 0;
}
/* home hero with maize photo layered under the forest gradient */
.hero-photo{
  background:
    linear-gradient(180deg, rgba(14,36,28,.82) 0%, rgba(14,36,28,.90) 60%, var(--forest-2) 100%),
    radial-gradient(120% 90% at 85% -10%, rgba(227,163,36,.14), transparent 55%),
    url('../images/hero-maize.jpg');
  background-size:cover,cover,cover;
  background-position:center,center,center 30%;
}
.hero .wrap{position:relative;z-index:2}
.hero .eyebrow{display:block;margin-bottom:26px}
.hero h1{font-size:clamp(38px,6vw,74px);line-height:1.03;letter-spacing:-.015em;max-width:15ch;font-weight:400}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero .lede{margin-top:28px;max-width:52ch;font-size:clamp(16px,1.6vw,19px);color:var(--on-dark-soft);line-height:1.7}
.hero-cta{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.statline{display:flex;gap:36px;flex-wrap:wrap;margin-top:56px;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.12);font-family:"IBM Plex Mono",monospace}
.statline div{font-size:13px;color:var(--on-dark-soft);letter-spacing:.02em}
.statline b{display:block;font-size:26px;color:var(--on-dark);font-weight:500;font-family:"Spectral",serif;margin-bottom:2px}
.hero-track{margin-top:60px}

/* ---------- research ---------- */
.research{background:var(--band)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.card{display:block;background:var(--surface);padding:38px 34px;position:relative;transition:background .25s ease,transform .25s ease;color:inherit}
.card:hover{background:var(--surface)}
.card .k{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--anthocyanin);letter-spacing:.1em}
.card h3{font-size:24px;margin:14px 0 12px;line-height:1.15;font-weight:500;transition:color .2s ease}
.card:hover h3{color:var(--anthocyanin)}
body.theme-dark .card:hover h3{color:var(--gold)}
.card p{color:var(--text-soft);font-size:15px}
.card .tags{margin-top:20px;display:flex;gap:8px;flex-wrap:wrap}
.tag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.04em;color:var(--green);background:var(--band-alt);padding:4px 9px;border-radius:var(--radius-sm)}
body.theme-dark .tag{color:var(--on-dark)}
.card .imgslot{height:150px;margin:-38px -34px 26px;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--forest) 0%,var(--forest-2) 100%)}
.card .imgslot.has-img{background-size:cover;background-position:center;background-repeat:no-repeat}
.card .imgslot.has-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(14,36,28,.35) 100%)}
.card:hover .imgslot.has-img{filter:saturate(1.05)}

/* ---------- institutions & leadership ---------- */
.inst{background:var(--band-alt)}
.inst-band{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}
.inst-chip{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;position:relative;overflow:hidden}
.inst-chip .bar{position:absolute;top:0;left:0;right:0;height:4px;background:var(--forest)}
.inst-chip:nth-child(2) .bar{background:var(--gold)}
.inst-chip:nth-child(3) .bar{background:var(--anthocyanin)}
.inst-chip:nth-child(4) .bar{background:#2a6b57}
.inst-chip h3{font-size:18px;font-weight:500;line-height:1.14;margin-bottom:6px}
.inst-chip span{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.06em;color:var(--text-soft);text-transform:uppercase}
.labphoto{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--forest-2);margin-bottom:32px}
.labphoto img{width:100%;height:clamp(260px,42vw,460px);object-fit:cover;object-position:center 35%;display:block}
.labphoto .strip{position:absolute;left:0;right:0;bottom:0;height:6px;background:repeating-linear-gradient(90deg,var(--gold) 0 34px,transparent 34px 60px,var(--anthocyanin) 60px 120px,transparent 120px 150px)}
.inst-foot{display:flex;justify-content:center;margin-top:8px}
.leads-h{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft);margin-bottom:24px}
.leads{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.lead-card .avatar{width:72px;height:72px;border-radius:50%;margin-bottom:16px;display:flex;align-items:center;justify-content:center;font-family:"Spectral",serif;font-size:23px;color:var(--on-dark);background:linear-gradient(135deg,#2a4a3a,var(--forest))}
.lead-card:nth-child(2) .avatar{background:linear-gradient(135deg,var(--gold),#a9761a);color:var(--forest-2)}
.lead-card:nth-child(3) .avatar{background:linear-gradient(135deg,var(--anthocyanin),#3d1a2c)}
.lead-card:nth-child(4) .avatar{background:linear-gradient(135deg,#2a6b57,#16342A)}
.lead-card:nth-child(5) .avatar{background:linear-gradient(135deg,#4a5c50,#2a3a30)}
.lead-card h4{font-family:"Spectral",serif;font-size:19px;font-weight:500;line-height:1.15;margin-bottom:5px}
.lead-card .r{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--gold);letter-spacing:.02em;display:block;margin-bottom:3px}
body:not(.theme-dark) .lead-card .r{color:#9a6d12}
.lead-card .i{font-size:13px;color:var(--text-soft)}
.affil{margin-top:48px;background:var(--forest);color:var(--on-dark);border-radius:var(--radius-md);padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;transition:background .22s ease}
.affil:hover{background:var(--forest-2)}
.affil .lbl{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.affil h3{font-size:22px;font-weight:500;color:var(--on-dark);margin:8px 0 4px}
.affil p{font-size:14px;color:var(--on-dark-soft);max-width:52ch}
.affil .go{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--gold);border:1px solid rgba(227,163,36,.4);padding:12px 20px;border-radius:var(--radius-sm);transition:background .2s,color .2s}
.affil .go:hover{background:var(--gold);color:var(--forest-2)}

/* ---------- featured papers ---------- */
.papers{background:var(--forest);color:var(--on-dark)}
.papers .sec-head h2{color:var(--on-dark)}
.papers .sec-head p{color:var(--on-dark-soft)}
.paper{display:grid;grid-template-columns:130px 1fr auto;gap:28px;align-items:baseline;padding:30px 0;border-top:1px solid rgba(255,255,255,.14);transition:padding-left .25s ease}
.paper:last-child{border-bottom:1px solid rgba(255,255,255,.14)}
.paper:hover{padding-left:12px}
.paper .venue{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--gold);letter-spacing:.03em;line-height:1.5}
.paper h3{font-size:clamp(20px,2.3vw,27px);line-height:1.18;font-weight:400;color:var(--on-dark)}
.paper .authors{color:var(--on-dark-soft);font-size:13.5px;margin-top:9px}
.paper .authors b{color:var(--on-dark);font-weight:600}
.paper .go{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--on-dark);white-space:nowrap;opacity:.75;transition:opacity .2s,color .2s}
.paper:hover .go{opacity:1;color:var(--gold)}
.papers-foot{margin-top:40px}
.papers-foot a{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--gold);border-bottom:1px solid rgba(227,163,36,.4);padding-bottom:2px}

/* ---------- tools ---------- */
.tools{background:var(--forest-2);color:var(--on-dark);padding:54px 0}
.tools .wrap{display:flex;align-items:center;gap:40px;flex-wrap:wrap;justify-content:center}
.tools .lbl{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-soft)}
.tools a{font-family:"Spectral",serif;font-size:22px;color:var(--on-dark);opacity:.85;transition:color .2s,opacity .2s}
.tools a:hover{color:var(--gold);opacity:1}

/* ---------- news ---------- */
.news{background:var(--band-alt)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.item{background:var(--surface);border:1px solid var(--line);border-radius:3px;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease}
.item:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.item .thumb{height:170px;background:linear-gradient(135deg,#2a4a3a,var(--forest));background-size:cover;background-position:center}
.item .thumb.fig{background-color:#fbfaf4;background-size:contain;background-repeat:no-repeat;background-position:center;border-bottom:1px solid var(--line)}
.item .body{padding:22px 22px 26px}
.item .date{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--anthocyanin);letter-spacing:.05em}
body.theme-dark .item .date{color:#c98bab}
.item h3{font-size:19px;margin:9px 0 8px;line-height:1.22;font-weight:500}
.item p{font-size:14px;color:var(--text-soft)}

/* ---------- join ---------- */
.join{background:var(--band)}
.join .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.join h2{font-size:clamp(28px,3.6vw,44px);line-height:1.06;letter-spacing:-.01em}
.join h2 em{font-style:italic;color:var(--anthocyanin)}
body.theme-dark .join h2 em{color:#c98bab}
.join p{color:var(--text-soft);margin-top:20px;font-size:16px;max-width:46ch}
.join .panel{background:var(--forest);color:var(--on-dark);padding:40px;border-radius:var(--radius-md)}
.join .panel h3{color:var(--gold);font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.join .panel ul{list-style:none;margin-top:18px}
.join .panel li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15.5px;display:flex;justify-content:space-between;align-items:center}
.join .panel li:last-child{border-bottom:0}
.join .panel li span{color:var(--on-dark-soft);font-family:"IBM Plex Mono",monospace;font-size:12px}

@media(max-width:860px){
  .cards{grid-template-columns:1fr}
  .inst-band{grid-template-columns:repeat(2,1fr)}
  .leads{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .labphoto{min-height:220px}
  .news-grid{grid-template-columns:1fr}
  .join .wrap{grid-template-columns:1fr;gap:36px}
  .paper{grid-template-columns:1fr;gap:8px}
  .paper .go{display:none}
}