:root{
  --brand:#0a5fd1;
  --brand-dark:#084a9f;
  --text:#1f2937;
  --bg:#ffffff;
  --muted:#f3f4f6;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1000px;margin:0 auto;padding:24px}
.nav{background:var(--muted);border-bottom:1px solid #e5e7eb}
.nav .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;max-width:1000px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--brand-dark)}
.brand img{height:36px;width:auto}
.menu{display:flex;gap:16px;flex-wrap:wrap}
.menu a{padding:8px 10px;border-radius:8px}
.menu a.active,.menu a:hover{background:var(--brand);color:#fff;text-decoration:none}
.hero{padding:64px 24px;background:linear-gradient(180deg, #eaf2ff, #ffffff)}
.hero h1{font-size:clamp(28px,4vw,40px);margin:0 0 8px}
.hero p{margin:0 0 16px;max-width:60ch}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:10px 14px;border-radius:10px;font-weight:600}
.btn:hover{background:var(--brand-dark)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:24px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:16px;box-shadow:0 2px 10px rgba(0,0,0,.03)}
footer{margin-top:48px;border-top:1px solid #e5e7eb;background:#fafafa}
footer .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
small{color:#6b7280}