feat: modernize digital presence, team layout, and hero component parity

app/[locale]/layout.tsx

@@ -89,7 +89,12 @@ export default async function Layout(props: {
     },
     { 
       label: safeLocale === 'de' ? 'Über uns' : 'About Us', 
-      url: `/${safeLocale}/${await mapFileSlugToTranslated('ueber-uns', safeLocale)}` 
+      url: `/${safeLocale}/${await mapFileSlugToTranslated('ueber-uns', safeLocale)}`,
+      children: [
+        { label: safeLocale === 'de' ? 'Firma' : 'Company', url: `/${safeLocale}/${await mapFileSlugToTranslated('ueber-uns', safeLocale)}` },
+        { label: safeLocale === 'de' ? 'Unser Team' : 'Our Team', url: `/${safeLocale}/team` },
+        { label: safeLocale === 'de' ? 'Zertifikate' : 'Certificates', url: `/${safeLocale}/zertifikate` }
+      ]
     },
     {
       label: safeLocale === 'de' ? 'Referenzen' : 'References',