body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

header {
  background: #1e293b;
  color: white;
  text-align: center;
  padding: 60px 20px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

main {
  padding: 40px 20px;
  max-width: 800px;
  margin: auto;
}

h2 {
  color: #1e293b;
}

.btn, .btn-primary {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 18px;
  background: #1e293b;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.btn-primary:hover, .btn:hover {
  background: #334155;
}

footer {
  text-align: center;
  background: #1e293b;
  color: white;
  padding: 20px;
  margin-top: 40px;
  font-size: 0.9rem;
}