body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f7fa;
  color: #333;
}

nav {
  display: flex;
  justify-content: space-between;
  padding: 1em 2em;
  background: #0a3d62;
  color: #fff;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1em;
}

nav a {
  color: white;
  text-decoration: none;
}

.hero {
  text-align: center;
  padding: 5em 2em;
  background: #1e90ff;
  color: white;
}

.cards {
  display: flex;
  gap: 2em;
  padding: 2em;
  justify-content: center;
}

.card {
  background: white;
  padding: 1.5em;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  width: 200px;
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1em;
  padding: 2em;
  max-width: 400px;
  margin: auto;
}

footer {
  text-align: center;
  padding: 1em;
  background: #0a3d62;
  color: white;
}