* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  color: #333;
}
header {
  background: #2d3e50;
  color: white;
  padding: 1rem;
  text-align: center;
}
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}
nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: #4caf50;
  color: white;
}
.hero h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #333;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 1rem;
}
.content {
  padding: 2rem;
}
form input, form textarea {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
}
form button {
  background-color: #4caf50;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
}
footer {
  background: #2d3e50;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}