.header{display:flex;justify-content:space-between;align-items:center;padding:20px;max-width:1200px;margin:0 auto}.product-name{font-size:24px;font-weight:700}.menu{display:flex;gap:20px}.menu-item{text-decoration:none;color:#007bff;font-size:18px}.menu-item:hover{text-decoration:underline}