body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f8ff;
  color: #0a2a6b;
}

header {
  background: #0a2a6b;
  padding: 20px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}

.menu {
  display: flex;
  gap: 20px;
  list-style: none;
}

.menu a, .lang-switch a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  text-align: center;
  padding: 40px 20px;
}

.cards-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  padding: 20px;
}

.card {
  background: white;
  border: 2px solid #0a48c2;
  border-radius: 12px;
  padding: 20px;
  width: 260px;
  text-decoration: none;
  color: #0a2a6b;
  transition: .2s ease;
}

.card:hover {
  transform: scale(1.03);
  background: #e8f0ff;
}

footer {
  text-align: center;
  padding: 20px;
  background: #0a2a6b;
  color: white;
  margin-top: 40px;
}