:root{--fg:#1b1d21;--muted:#5d6470;--bg:#fff;--soft:#f4f2ee;--accent:#c2410c;--max:44rem}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--accent)}header,main,footer{max-width:var(--max);margin:0 auto;padding:1rem 1.25rem}
header{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;justify-content:space-between;border-bottom:1px solid #eee}
.brand{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--fg)}nav a{margin-left:1rem;text-decoration:none;color:var(--muted)}nav a:first-child{margin-left:0}
h1{font-size:2rem;line-height:1.2;margin:1.5rem 0 .5rem}h2{margin-top:2rem}.lede{font-size:1.15rem;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;margin:1.5rem 0}.card{background:var(--soft);padding:1.25rem;border-radius:12px}
.signup{background:var(--soft);border:2px dashed var(--accent);border-radius:12px;padding:1.25rem;margin:1.5rem 0}
.notice{background:#fff7ed;border-left:4px solid var(--accent);padding:.75rem 1rem;margin:1rem 0}
.event{margin:1rem 0}.event p{margin:.2rem 0}.meta{color:var(--muted);font-size:.95rem}
ul.archive{padding-left:1.1rem}footer{color:var(--muted);font-size:.9rem;border-top:1px solid #eee;margin-top:3rem}
@media(max-width:30rem){h1{font-size:1.6rem}nav a{margin-left:.7rem}}