fix(parity): update footer translations, certificate links, references CTA and trade fairs

app/[locale]/referenzen/page.tsx

@@ -158,8 +158,8 @@ export default async function ReferenzenOverview(props: { params: Promise<{ loca
         <div className="mt-24 p-8 md:p-12 bg-primary-dark rounded-3xl text-white shadow-2xl relative overflow-hidden group">
           <div className="absolute top-0 right-0 w-64 h-full bg-accent/5 -skew-x-12 translate-x-1/2 transition-transform group-hover:translate-x-1/3" />
           <div className="relative z-10 max-w-2xl">
-            <h3 className="text-2xl md:text-3xl font-bold mb-4">Ihr nächstes Projekt?</h3>
-            <p className="text-lg text-white/70 mb-8">Lassen Sie uns gemeinsam herausragende Infrastruktur bauen.</p>
+            <h3 className="text-2xl md:text-3xl font-bold mb-4">{t('nextProjectTitle')}</h3>
+            <p className="text-lg text-white/70 mb-8">{t('nextProjectDesc')}</p>
             <TrackedLink
               href={`/${locale}/${locale === 'de' ? 'kontakt' : 'contact'}`}
               className={getButtonClasses('accent', 'lg')}