add landing page

frontend/src/main.jsx

@@ -1,10 +1,27 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import './index.css'
+import './i18n'
 import App from './App.jsx'
 
+// Función para remover la pantalla de carga
+const removeLoadingScreen = () => {
+  const loadingScreen = document.getElementById('loading-screen');
+  if (loadingScreen) {
+    loadingScreen.classList.add('fade-out');
+    setTimeout(() => {
+      loadingScreen.remove();
+    }, 500);
+  }
+};
+
+// Renderizar React y remover loading screen
 createRoot(document.getElementById('root')).render(
   <StrictMode>
     <App />
   </StrictMode>,
 )
+
+// Remover loading screen cuando React esté montado
+// Pequeño delay para asegurar que la UI esté lista
+setTimeout(removeLoadingScreen, 100);