body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: #f7f9fb;
  color: #1a1a1a;
}

header {
  background: #0c1f33;
  color: white;
  padding: 20px;
  text-align: center;
}

.logo {
  font-size: 28px;
  font-weight: 700;
}

.logo i {
  color: #00c6ff;
  margin-right: 8px;
}

.hero {
  padding: 60px 20px;
  text-align: center;
  background: #e6f2ff;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.features, .pricing {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}

.features h2, .pricing h2 {
  text-align: center;
  margin-bottom: 30px;
}

.feature, .tariff {
  margin-bottom: 20px;
  font-size: 18px;
}

.tariff {
  background: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  margin-bottom: 30px;
}

.tariff h3 {
  margin-top: 0;
  color: #0c1f33;
}

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

.cta {
  background: #0c1f33;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

.cta h2 {
  margin-bottom: 20px;
}

.cta form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta input, .cta textarea {
  padding: 12px;
  border-radius: 5px;
  border: none;
  font-size: 16px;
}

.cta button {
  background: #00c6ff;
  color: white;
  font-size: 18px;
  border: none;
  padding: 12px 24px;
  cursor: pointer;
  border-radius: 5px;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  background: #f1f1f1;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 28px;
  }

  .hero p, .feature, .tariff {
    font-size: 16px;
  }

  .cta form {
    padding: 0 10px;
  }
}