fix(ui): hide NewsCard footer separator when date and footer text are empty

src/components/NewsCard.tsx

@@ -92,6 +92,7 @@ export const NewsCard = ({
                 </p>
 
                 {/* Footer del card */}
+                {(showFooterDate || footerText) && (
                     <div className="mt-auto pt-5 border-t border-white/10 flex items-center justify-between">
                         <span className="text-xs font-black tracking-widest uppercase text-cyan-500 group-hover:text-cyan-300 transition-colors">
                             {showFooterDate ? (
@@ -109,6 +110,7 @@ export const NewsCard = ({
                             </div>
                         )}
                     </div>
+                )}
             </div>
         </div>
     );