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

components/Footer.tsx

@@ -173,12 +173,12 @@ export default function Footer() {
               </li>
               <li>
                 <Link
-                  href={`/${locale}/contact`}
+                  href={`/${locale}/${locale === 'de' ? 'kontakt' : 'contact'}`}
                   className="text-white/70 hover:text-accent transition-all duration-300 hover:translate-x-1 inline-block"
                   onClick={() =>
                     trackEvent(AnalyticsEvents.LINK_CLICK, {
                       label: navT('contact'),
-                      href: '/contact',
+                      href: locale === 'de' ? '/kontakt' : '/contact',
                       location: 'footer_company',
                     })
                   }