fix: clean location names in reference badges and detail pages

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

@@ -135,7 +135,9 @@ export default async function ReferenceDetail(props: { params: Promise<{ locale:
                 <MapPin className="w-8 h-8 text-primary shrink-0" />
                 <div>
                   <p className="text-sm text-white/50 mb-1 uppercase tracking-wider font-bold">Ort</p>
-                  <p className="font-semibold text-lg">{reference.frontmatter.location}</p>
+                  <p className="font-semibold text-lg">
+                    {reference.frontmatter.location ? reference.frontmatter.location.split('/')[0].replace(/\b\d{5}\b/g, '').trim() : ''}
+                  </p>
                 </div>
               </div>
               <div className="flex items-start gap-4 p-6 bg-white/5 rounded-2xl border border-white/10 backdrop-blur-sm">

app/[locale]/referenzen/page.tsx

@@ -42,6 +42,16 @@ export default async function ReferenzenOverview(props: { params: Promise<{ loca
 
   const references = await getAllReferences(locale);
   
+  // Helper to clean up location names (remove PLZ and keep only first location if multiple)
+  const cleanLocation = (locStr: string | undefined) => {
+    if (!locStr) return '';
+    // Take first part before slash
+    let cleaned = locStr.split('/')[0].trim();
+    // Remove 5-digit PLZ
+    cleaned = cleaned.replace(/\b\d{5}\b/g, '').trim();
+    return cleaned;
+  };
+  
   // Enrich the static map locations with dynamic project data (images, details)
   const enrichedLocations = defaultLocations.map(loc => {
     if (loc.type === 'project') {
@@ -114,7 +124,7 @@ export default async function ReferenzenOverview(props: { params: Promise<{ loca
                   <div className="absolute top-4 left-4 z-10">
                     <span className="bg-white/95 backdrop-blur-md text-neutral-dark px-3 py-1.5 rounded-sm text-[10px] font-bold uppercase tracking-widest flex items-center gap-1.5 shadow-sm border border-neutral-200">
                       <MapPin className="w-3 h-3 text-primary" />
-                      {ref.frontmatter.location}
+                      {cleanLocation(ref.frontmatter.location)}
                     </span>
                   </div>
                 </div>