feat: upgrade UI with premium industrial aesthetics, purely visual language switch, and resilient error pages

Former-commit-id: e4d801c24e64c41816f86de9767b47894abb6806

app/[locale]/contact/page.tsx

@@ -106,15 +106,15 @@ export default async function ContactPage({ params }: ContactPageProps) {
           url: SITE_URL,
           address: {
             '@type': 'PostalAddress',
-            streetAddress: 'Raiffeisenstraße 22',
-            addressLocality: 'Remshalden',
-            postalCode: '73630',
+            streetAddress: 'Gewerbestraße 22',
+            addressLocality: 'Guben',
+            postalCode: '03172',
             addressCountry: 'DE',
           },
           geo: {
             '@type': 'GeoCoordinates',
-            latitude: 48.8144,
-            longitude: 9.4144,
+            latitude: 51.94276,
+            longitude: 14.71764,
           },
           openingHoursSpecification: [
             {
@@ -257,7 +257,7 @@ export default async function ContactPage({ params }: ContactPageProps) {
             </div>
           }
         >
-          <ContactMap address={t('info.address')} lat={48.8144} lng={9.4144} />
+          <ContactMap address={t('info.address')} lat={51.94276} lng={14.71764} />
         </Suspense>
       </section>
     </div>