body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}
nav {
  background: #004080;
  color: white;
  padding: 1em 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}
nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}
nav a {
  color: white;
  text-decoration: none;
}
header.hero {
  background: #0073e6;
  color: white;
  padding: 120px 20px 80px;
  text-align: center;
}
section {
  padding: 60px 20px;
}
.container {
  max-width: 1000px;
  margin: auto;
}
form input,
form textarea,
form select {
  width: 100%;
  padding: 0.75em;
  margin: 0.5em 0;
  border: 1px solid #ccc;
}
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.card {
  background: #f4f4f4;
  padding: 20px;
  flex: 1 1 250px;
  border-radius: 6px;
}
.btn,
button {
  background: #ffc107;
  border: none;
  padding: 10px 20px;
  color: #000;
  cursor: pointer;
  border-radius: 4px;
}
footer {
  background: #004080;
  color: white;
  text-align: center;
  padding: 20px;
}