* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: #f8f9fa;
  color: #333;
  line-height: 1.6;
}
header {
  background: #005ea6;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.5rem;
  font-weight: bold;
}
nav a {
  color: #fff;
  margin-left: 1rem;
  text-decoration: none;
}
.hero {
  text-align: center;
  padding: 3rem 1rem;
  background: #e1f5fe;
}
.search-form {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.search-form input,
.search-form button {
  padding: 0.75rem;
  font-size: 1rem;
  min-width: 200px;
}
.search-form button {
  background: #0078d7;
  color: white;
  border: none;
  cursor: pointer;
}
.featured-flights {
  padding: 2rem;
}
.flight-cards {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.flight-card {
  background: white;
  padding: 1rem;
  border-radius: 8px;
  width: 250px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}
footer {
  background: #f1f1f1;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}