body { font-family: Arial, sans-serif; background: #f8f8f8; margin: 0; padding: 0; }
header, footer { background: #003366; color: white; text-align: center; padding: 1rem; }
nav ul { list-style: none; padding: 0; margin: 0; display: flex; justify-content: center; flex-wrap: wrap; }
nav ul li { margin: 0 10px; }
nav ul li a { color: white; text-decoration: none; }
.lang { display: none; padding: 2rem; }
.lang-toggle { margin-top: 10px; }
footer { margin-top: 2rem; }