/* ============================================================
   STEM FEST — desktop.css
   PC layout. Linked with media="(min-width: 900px)".
   ============================================================ */

.shell{max-width:1180px;margin:0 auto;padding:0 40px}
.dock{display:none}

.topbar{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.topbar .shell{display:flex;align-items:center;gap:30px;min-height:76px}
.brand{font-size:22px;margin-right:auto}

.deck{display:flex;gap:4px}
.deck-link{
  font-size:15.5px;font-weight:500;
  color:var(--muted);
  padding:10px 15px;border-radius:8px;
  position:relative;transition:color .18s,background .18s;
}
.deck-link:hover{color:var(--text);background:var(--raise)}
.deck-link[aria-selected="true"]{color:var(--accent);background:var(--accent-soft)}
.deck-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.topbar-cta{padding:11px 22px;min-height:44px;font-size:14.5px}

.hero{padding:112px 0 96px}
.hero-title{font-size:clamp(78px,8.5vw,124px);margin-top:24px}
.pill{min-width:158px}

.block{padding:92px 0}
.h1-alt{font-size:clamp(44px,5vw,64px);margin:16px 0 22px}
.h2{font-size:clamp(31px,3.4vw,42px)}

.cards{grid-template-columns:repeat(3,1fr);gap:24px}
.people{grid-template-columns:repeat(3,1fr)}
.cta-slab{padding:48px 52px}
.btn.wide{min-width:270px}

.foot{padding:64px 0 48px}
.foot .shell{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:start}
.foot-brand{font-size:34px}
.foot-legal{grid-column:1/-1;padding-top:32px;border-top:1px solid var(--line)}

/* registration panel: roomier on wide screens */
.formshell{padding:22px 18px}