:root{
  --text:#0F172A; --accent:#16A34A; --muted:#64748B; --border:#E2E8F0; --bg:#F8FAFC; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);line-height:1.6;background:#fff}
.container{max-width:var(--max);margin:0 auto;padding:56px 20px}
h1{font-size:42px;line-height:1.15;margin-bottom:12px}
h2{font-size:28px;margin-bottom:20px}
h3{font-size:20px;margin-bottom:8px}
p{margin-bottom:12px;color:#334155}
a{text-decoration:none;color:inherit}
.btn{display:inline-block;font-weight:600;border-radius:12px;padding:12px 18px}
.btn-primary{background:var(--accent);color:#fff}
.btn-outline{border:1px solid var(--border);color:var(--text);background:#fff}
.section-muted{background:var(--bg)}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--border);border-radius:16px;padding:18px;background:#fff}
.badges{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-top:12px}
img.resp{max-width:100%;height:auto;border-radius:16px}
.header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:10}
.header-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 20px;max-width:var(--max);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:700}
.logo-dot{width:12px;height:12px;border-radius:999px;background:var(--accent)}
.nav a{color:var(--text);margin:0 10px;font-weight:600}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{border:1px solid var(--border);border-radius:16px;padding:16px;background:#fff}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
footer{border-top:1px solid var(--border);margin-top:28px;padding-top:28px}
footer .cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
small, footer p{color:var(--muted)}
.alert{padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#fff8}
.form input,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;font:inherit}
.form label{font-weight:600;display:block;margin-bottom:6px}
.form .row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
@media(max-width:980px){
  .hero,.grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
  h1{font-size:34px}
}
@media(max-width:640px){.grid-3,.features{grid-template-columns:1fr}}