fix(header): close navigation dropdown immediately on pathname change

components/layout/Header.tsx

@@ -164,6 +164,10 @@ export function Header({ navLinks }: HeaderProps) {
 function NavItem({ link, currentLocale, pathname, isSolidMode }: { link: NavLink, currentLocale: string, pathname: string, isSolidMode: boolean }) {
   const [isHovered, setIsHovered] = React.useState(false);
 
+  React.useEffect(() => {
+    setIsHovered(false);
+  }, [pathname]);
+
   const mappedUrl = link.url.startsWith('/') && !link.url.match(/^\/(en|de)/) 
     ? `/${currentLocale}${link.url}` 
     : link.url;