* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  -webkit-font-smoothing: antialiased;
}
nav {
  background-color: #003366;
  padding: 10px 20px;
}
nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 0;
  padding: 0;
}
nav ul li a {
  text-decoration: none;
  color: #ffffff;
  font-weight: 600;
  font-family: Arial, sans-serif;
  font-size: 0.95rem;
  padding: 6px 2px;
  transition: color 0.3s ease, border-bottom 0.3s ease;
}
nav ul li a:hover {
  color: #ffcc00;
  border-bottom: 2px solid #ffcc00;
}
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}