refactor: update header links from anchors to paths

Changed href attributes in header.tsx from '#sobre' to '/sobre' for consistent routing and improved navigation.

app/components/header.tsx

@@ -63,7 +63,7 @@ export function Header() {
               Recursos
             </a>
             <a
-              href="#sobre"
+              href="/sobre"
               className="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors"
             >
               Sobre
@@ -124,7 +124,7 @@ export function Header() {
                 Recursos
               </a>
               <a
-                href="#sobre"
+                href="/sobre"
                 className="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors py-2"
                 onClick={() => setIsMenuOpen(false)}
               >