:root{--bg:#fff;--fg:#1a1f2b;--muted:#5b6475;--accent:#1f6f5c;--border:#e3e6ec;--max:960px}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--accent)}.container{max-width:var(--max);margin:0 auto;padding:0 16px}header.site{border-bottom:1px solid var(--border)}header.site .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding-top:16px;padding-bottom:16px;display:flex}header.site .brand{color:var(--fg);font-weight:700;text-decoration:none}header.site nav{flex-wrap:wrap;gap:16px;display:flex}header.site nav a{color:var(--muted);text-decoration:none}header.site nav a:hover{color:var(--fg)}main{padding:48px 0}h1{margin:0 0 16px;font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.2}.lead{color:var(--muted);max-width:640px;font-size:1.15rem}.cta{background:var(--accent);color:#fff;border-radius:6px;margin-top:24px;padding:12px 20px;font-weight:600;text-decoration:none;display:inline-block}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:32px;display:grid}.card{border:1px solid var(--border);border-radius:8px;padding:20px}.card h3{margin-top:0}footer.site{border-top:1px solid var(--border);color:var(--muted);padding:24px 0;font-size:.9rem}