/* AppSpace — clean educational site */
:root{
  --navy:#0f2a43; --blue:#1466b8; --accent:#e8a33d; --ink:#1c2733;
  --muted:#5a6b7c; --line:#e2e8f0; --bg:#ffffff; --soft:#f4f7fa;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg)}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.site{background:var(--navy);color:#fff}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;padding:16px 20px}
.brand{font-size:1.5rem;font-weight:800;color:#fff;letter-spacing:.5px}
.brand span{color:var(--accent)}
.tagline{color:#b9c9d8;font-size:.9rem}
nav.main{margin-left:auto;display:flex;flex-wrap:wrap;gap:4px 2px}
nav.main a{color:#dbe7f2;padding:6px 10px;border-radius:6px;font-size:.95rem}
nav.main a:hover{background:rgba(255,255,255,.12);text-decoration:none}
.hero{background:var(--soft);border-bottom:1px solid var(--line);padding:36px 0 28px}
.hero h1{font-size:2rem;line-height:1.25;margin:0 0 10px}
.hero p.lede{font-size:1.12rem;color:var(--muted);margin:0 0 16px}
.hero img{border-radius:10px;margin-top:18px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:11px 20px;border-radius:8px;font-weight:600}
.btn:hover{background:#0f5296;text-decoration:none}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--blue)}
main{padding:28px 0 40px}
main h1{font-size:1.8rem;line-height:1.3;margin:0 0 14px}
main h2{font-size:1.35rem;margin:28px 0 10px}
main h3{font-size:1.12rem;margin:22px 0 8px}
main p{margin:0 0 14px}
main ul{margin:0 0 14px;padding-left:22px}
main li{margin-bottom:6px}
figure{margin:0 0 20px}
figure img{border-radius:10px}
figcaption{font-size:.85rem;color:var(--muted);margin-top:6px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:20px 0}
.card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.card img{width:100%;height:150px;object-fit:cover}
.card .pad{padding:14px 16px}
.card h3{margin:0 0 6px;font-size:1.05rem}
.card p{font-size:.93rem;color:var(--muted);margin:0 0 10px}
.meta{font-size:.85rem;color:var(--muted)}
.notice{background:#fff7e6;border:1px solid #f0d9a0;border-left:4px solid var(--accent);border-radius:8px;padding:14px 16px;margin:20px 0;font-size:.95rem}
section.block{margin:34px 0}
section.block h2{margin-top:0}
footer.site{background:var(--navy);color:#b9c9d8;margin-top:20px}
footer.site .wrap{padding:26px 20px;font-size:.92rem}
footer.site a{color:#dbe7f2}
footer.site nav{margin:8px 0}
footer.site nav a{margin-right:14px}
.searchbox{display:flex;gap:8px;margin:16px 0}
.searchbox input{flex:1;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font-size:1rem}
.searchbox button{padding:11px 18px;border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:600;cursor:pointer}
.result{border-bottom:1px solid var(--line);padding:14px 0}
.result h3{margin:0 0 4px}
.result p{margin:0;color:var(--muted);font-size:.95rem}
@media (max-width:640px){
  .hero h1{font-size:1.55rem}
  main h1{font-size:1.45rem}
  nav.main a{padding:6px 8px;font-size:.9rem}
}