feat(i18n): centralize more UI texts in messages

Move hardcoded labels/strings in About, Projects, Contact form, Footer and Consent banner into next-intl message files (en/de) so content is maintained in one place.

Co-authored-by: dennis <dennis@konkol.net>

app/components/Projects.tsx

@@ -5,7 +5,7 @@ import { motion, Variants } from "framer-motion";
 import { ExternalLink, Github, ArrowRight, Calendar } from "lucide-react";
 import Link from "next/link";
 import Image from "next/image";
-import { useLocale } from "next-intl";
+import { useLocale, useTranslations } from "next-intl";
 
 const fadeInUp: Variants = {
   hidden: { opacity: 0, y: 20 },
@@ -48,6 +48,7 @@ interface Project {
 const Projects = () => {
   const [projects, setProjects] = useState<Project[]>([]);
   const locale = useLocale();
+  const t = useTranslations("home.projects");
 
   useEffect(() => {
     const loadProjects = async () => {
@@ -82,11 +83,10 @@ const Projects = () => {
           className="text-center mb-20"
         >
           <h2 className="text-4xl md:text-6xl font-bold mb-6 text-stone-900">
-            Selected Works
+            {t("title")}
           </h2>
           <p className="text-lg text-stone-600 max-w-2xl mx-auto mt-4 font-light">
-            A collection of projects I&apos;ve worked on, ranging from web
-            applications to experiments.
+            {t("subtitle")}
           </p>
         </motion.div>
 
@@ -140,7 +140,7 @@ const Projects = () => {
                 {project.featured && (
                   <div className="absolute top-3 left-3 z-20">
                     <div className="px-3 py-1 bg-[#292524]/80 backdrop-blur-md text-[#fdfcf8] text-[10px] font-bold uppercase tracking-widest rounded-full shadow-sm border border-white/10">
-                      Featured
+                      {t("featured")}
                     </div>
                   </div>
                 )}
@@ -253,7 +253,7 @@ const Projects = () => {
             href={`/${locale}/projects`}
             className="inline-flex items-center gap-2 px-8 py-4 bg-white border border-stone-200 rounded-full text-stone-700 font-medium hover:bg-stone-50 hover:border-stone-300 hover:gap-3 transition-all duration-500 ease-out shadow-sm hover:shadow-md"
           >
-            View All Projects <ArrowRight size={16} />
+            {t("viewAll")} <ArrowRight size={16} />
           </Link>
         </motion.div>
       </div>