body{font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;margin:0;color:#222;background:#fafafa}
header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:#800000;color:#fff}
.brand{font-size:1.3rem;font-weight:600}select{font-size:1rem;padding:.3rem}
nav{display:flex;flex-wrap:wrap;gap:1rem;padding:.7rem 1.5rem;background:#e8eef5}nav a{color:#1f3a5f;text-decoration:none}nav a[aria-current]{font-weight:700}
main{max-width:56rem;margin:2rem auto;padding:0 1.5rem;line-height:1.6}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1rem}.card{background:#fff;border:1px solid #dde;border-radius:8px;padding:1rem}
footer{text-align:center;color:#888;font-size:.85rem;padding:2rem}
.btn{display:inline-block;background:#1f3a5f;color:#fff;padding:.6rem 1.2rem;border-radius:6px;text-decoration:none}