fix(i18n): fix reference page translation, fix map zoom, connect contact form to server action, fix english 404 links, fix certificate pdf links

components/blocks/CertificatesBlock.tsx

@@ -29,42 +29,42 @@ const defaultCertificates: Certificate[] = [
   {
     title: 'ISO 14001:2015',
     description: 'Umweltmanagementsystem',
-    pdfUrl: '/assets/certificates/231214_Zertifikat ISO 14001 Umweltmanagement.pdf',
+    pdfUrl: '/assets/certificates/iso14001.pdf',
     type: 'iso',
     date: '14.12.2023',
   },
   {
     title: 'ISO 9001:2015',
     description: 'Qualitätsmanagementsystem',
-    pdfUrl: '/assets/certificates/231214_Zertifikat ISO 9001 Qualitätsmanagement.pdf',
+    pdfUrl: '/assets/certificates/iso9001.pdf',
     type: 'iso',
     date: '14.12.2023',
   },
   {
     title: 'DIN EN ISO 45001:2018',
     description: 'Arbeits- und Gesundheitsschutz',
-    pdfUrl: '/assets/certificates/Zertifizierung DIN EN ISO 45001 bis 05122028.pdf',
+    pdfUrl: '/assets/certificates/iso45001.pdf',
     type: 'iso',
     date: '05.12.2025', // Assuming valid till
   },
   {
     title: 'Freistellungsbescheinigung',
     description: 'Nach § 48 b EStG',
-    pdfUrl: '/assets/certificates/240209_Freistellungsbescheinigung § 48 b.pdf',
+    pdfUrl: '/assets/certificates/freistellung.pdf',
     type: 'tax',
     date: '09.02.2024',
   },
   {
     title: 'Nachweis § 13b UStG',
     description: 'Steuerschuldnerschaft des Leistungsempfängers',
-    pdfUrl: '/assets/certificates/240209_Nachweis § 13 b.pdf',
+    pdfUrl: '/assets/certificates/nachweis13b.pdf',
     type: 'tax',
     date: '09.02.2024',
   },
   {
     title: 'Bescheinigung in Steuersachen',
     description: 'Zertifikat des Finanzamtes',
-    pdfUrl: '/assets/certificates/250213_Bescheinigung in Steuersachen.pdf',
+    pdfUrl: '/assets/certificates/bescheinigung.pdf',
     type: 'tax',
     date: '13.02.2025',
   },

components/blocks/InteractiveGermanyMap.tsx

@@ -30,10 +30,7 @@ export function InteractiveGermanyMap({
   badge,
   title,
   description,
-  stats = [
-    { value: '100', suffix: '%', label: 'Überregionale Reichweite' },
-    { value: '2', suffix: '+', label: 'Operative Standorte' },
-  ],
+  stats,
   locations = allLocations,
   isHero = false
 }: InteractiveGermanyMapProps) {
@@ -43,6 +40,11 @@ export function InteractiveGermanyMap({
   const t = useTranslations('InteractiveGermanyMap');
   const tStandard = useTranslations('StandardPage');
 
+  const finalStats = stats || [
+    { value: '100', suffix: '%', label: locale === 'en' ? 'Nationwide Reach' : 'Überregionale Reichweite' },
+    { value: '2', suffix: '+', label: locale === 'en' ? 'Operational Locations' : 'Operative Standorte' },
+  ];
+
   const finalBadge = badge || tStandard('badge');
   // the map is mostly used with specific props, so we leave title & description to fallbacks if not provided
   const finalTitle = title || (locale === 'en' ? <>Nationwide<br/>in operation for you.</> : <>Deutschlandweit<br/>für Sie im Einsatz.</>);
@@ -88,7 +90,7 @@ export function InteractiveGermanyMap({
 
             {/* Industrial Stats Grid */}
             <div className="grid grid-cols-2 gap-4">
-              {stats.map((stat, i) => (
+              {finalStats.map((stat, i) => (
                 <div key={i} className="bg-white/5 border border-white/10 rounded-2xl p-6 backdrop-blur-md relative overflow-hidden group">
                   <div className="absolute inset-0 bg-gradient-to-br from-primary/10 to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-500" />
                   <div className="relative z-10">