body {
  margin:0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background:#f9fafb;
  color:#1f2937;
  line-height:1.6;
}

.hero {
  background: linear-gradient(135deg, #1f2937, #374151);
  color:white;
  padding:60px 20px;
  text-align:center;
}

.hero h1 {
  margin:0;
  font-size:2.4rem;
  letter-spacing:.5px;
}

.sub {
  opacity:.85;
  margin-top:10px;
}

.cta-top {
  margin-top:20px;
  font-weight:600;
  font-size:1.2rem;
}

nav {
  background:#111827;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px 14px;
  padding:12px 16px;
}

nav a {
  color:#e5e7eb;
  margin:0;
  padding:2px 0;
  text-decoration:none;
  font-size:.95rem;
}

nav a:hover {
  text-decoration:underline;
}

main {
  max-width:960px;
  margin:40px auto;
  padding:0 20px;
}

.block {
  margin-bottom:50px;
}

.grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  margin-bottom:50px;
}

.grid ul {
  padding-left:20px;
}

.cta-section {
  background:#e5e7eb;
  padding:40px;
  text-align:center;
  border-radius:6px;
}

.phone {
  font-size:1.6rem;
  font-weight:700;
  margin-top:10px;
}

footer {
  text-align:center;
  padding:30px;
  background:#111827;
  color:#9ca3af;
  font-size:.9rem;
}

footer a {
  color:#d1d5db;
  text-decoration:none;
  margin:0 8px;
}

@media (max-width: 900px) {
  .hero {
    padding:48px 16px;
  }

  .hero h1 {
    font-size:2rem;
  }

  .grid {
    grid-template-columns:1fr;
    gap:24px;
  }
}

@media (max-width: 600px) {
  body {
    line-height:1.55;
  }

  nav {
    gap:6px 12px;
    padding:10px 12px;
  }

  nav a {
    font-size:.9rem;
  }

  main {
    margin:28px auto;
    padding:0 16px;
  }

  .block {
    margin-bottom:36px;
  }

  .cta-section {
    padding:28px 20px;
  }

  .phone {
    font-size:1.4rem;
  }

  footer {
    padding:24px 16px;
  }
}