fix: translate all hardcoded /contact links and add kontakt mapping to language switcher

app/[locale]/[slug]/page.tsx

@@ -97,7 +97,7 @@ export default async function StandardPage({ params }: PageProps) {
               <h3 className="text-2xl md:text-3xl font-bold mb-4">{t('needHelp')}</h3>
               <p className="text-lg text-white/70 mb-8">{t('supportTeamAvailable')}</p>
               <TrackedLink
-                href={`/${locale}/contact`}
+                href={`/${locale}/${locale === 'de' ? 'kontakt' : 'contact'}`}
                 className="inline-flex items-center px-8 py-4 bg-accent text-primary-dark font-bold rounded-full hover:bg-white transition-all duration-300 group/link"
                 eventProperties={{
                   location: 'generic_page_support_cta',