body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f2fbff;
  color: #004466;
}

header {
  text-align: center;
  padding: 40px 20px;
}

.logo {
  max-width: 240px;
}

h1 {
  margin-top: 20px;
  font-size: 2.8rem;
  color: #0080c0;
}

.subtitle {
  margin-top: -10px;
  font-size: 1.1rem;
  color: #99d8ea;
}

.section {
  padding: 50px 20px;
  max-width: 900px;
  margin: auto;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.feature-box {
  background: white;
  padding: 20px;
  border-radius: 12px;
  border: 2px solid #99d8ea;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.cta {
  background: #0080c0;
  color: white;
  padding: 15px 25px;
  display: inline-block;
  margin-top: 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.2rem;
}

.cta:hover {
  background: #006b9f;
}

.email-input {
  padding: 15px;
  width: 300px;
  border-radius: 8px;
  border: 2px solid #99d8ea;
}

footer {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  background: #e9faff;
  color: #004c66;
}