body {
  margin: 0;
  font-family: Arial;
  background: #0f172a;
  color: white;
  text-align: center;
}

.header {
  padding: 20px;
}

.hero {
  padding: 60px 20px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  background: #06b6d4;
  border-radius: 8px;
  text-decoration: none;
  color: white;
}

.features {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 40px;
  flex-wrap: wrap;
}

.features div {
  background: #1e293b;
  padding: 20px;
  border-radius: 10px;
  width: 250px;
}

.newsletter {
  padding: 40px;
}

input {
  padding: 10px;
  border-radius: 6px;
  border: none;
  margin-right: 10px;
}

button {
  padding: 10px 15px;
  background: #06b6d4;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
}