body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f7f9fc;
  color: #333;
}
header {
  background: #0d3b66;
  color: white;
  padding: 2rem;
  text-align: center;
}
nav {
  background: #074168;
  padding: 1rem;
  text-align: center;
}
nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}
.hero {
  padding: 3rem;
  text-align: center;
  background: #e0f7fa;
}
.hero h1 {
  margin-bottom: 1rem;
}
.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 2rem;
  background: white;
}
.feature {
  background: #ffffff;
  margin: 1rem;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  width: 280px;
  text-align: center;
}
.contact {
  padding: 2rem;
  background: #f1f1f1;
  text-align: center;
}
footer {
  background: #0d3b66;
  color: white;
  text-align: center;
  padding: 1rem;
}
input, textarea {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0;
  border-radius: 5px;
  border: 1px solid #ccc;
}
button {
  background: #0d3b66;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}