feat: overhaul competence pages, unify brand colors, and polish site integrity

- Rewrote all 5 competence pages (Kabeltiefbau, Bohrtechnik, Glasfaser, Planung, Vermessung) with factual data from references
- Unified brand colors: replaced toxic neon green with brand-aligned teal (#10a379)
- Fixed ReferencesSlider injection in dynamic MDX pages
- Enhanced Footer with icon parity, improved branding placement, and unified hover effects
- Refined Header with 3D micro-animations and improved dropdown visibility
- Fixed localized tracking API (rewrites for /stats/api/send)
- Resolved ReferenceErrors in InteractiveGermanyMap and Header state management
- Cleaned reference titles and truncated metadata in lists

content/de/messen.mdx

@@ -19,80 +19,11 @@ layout: "fullBleed"
     showFairs={true} 
     showJobs={false} 
     fairs={[
-      { name: 'Intersolar München', date: '19. - 21. Juni 2026', type: 'Energie-Messe', location: 'Messe München', booth: 'Halle A3, Stand 110', url: 'https://www.intersolar.de' },
-      { name: 'Windenergietage Linstow', date: '04. - 06. November 2026', type: 'Fachkongress', location: 'Van der Valk Resort Linstow', booth: 'Stand 42', url: 'https://windenergietage.de' },
-      { name: 'Kabelwerkstatt Wiesbaden', date: '02. - 03. Dezember 2026', type: 'Fachmesse', location: 'RheinMain CongressCenter', booth: 'Halle 1, Stand B20' }
+      { name: 'Intersolar München', date: '2024 / 2025', type: 'Messe', location: 'München' },
+      { name: 'Windenergietage Linstow', date: '2024 / 2025', type: 'Fachkongress', location: 'Linstow' },
+      { name: 'Kabel-Workshop Wiesbaden', date: '2024 / 2025', type: 'Fachmesse', location: 'Wiesbaden' }
     ]}
   />
 </div>
 
 <CallToAction />
-
-<JsonLd data={[
-  {
-    "@type": "Event",
-    "name": "Intersolar München",
-    "startDate": "2026-06-19",
-    "endDate": "2026-06-21",
-    "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
-    "eventStatus": "https://schema.org/EventScheduled",
-    "location": {
-      "@type": "Place",
-      "name": "Messe München",
-      "address": {
-        "@type": "PostalAddress",
-        "addressLocality": "München",
-        "addressCountry": "DE"
-      }
-    },
-    "organizer": {
-      "@type": "Organization",
-      "name": "E-TIB GmbH",
-      "url": "https://e-tib.com"
-    }
-  },
-  {
-    "@type": "Event",
-    "name": "Windenergietage Linstow",
-    "startDate": "2026-11-04",
-    "endDate": "2026-11-06",
-    "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
-    "eventStatus": "https://schema.org/EventScheduled",
-    "location": {
-      "@type": "Place",
-      "name": "Van der Valk Resort Linstow",
-      "address": {
-        "@type": "PostalAddress",
-        "addressLocality": "Linstow",
-        "addressCountry": "DE"
-      }
-    },
-    "organizer": {
-      "@type": "Organization",
-      "name": "E-TIB GmbH",
-      "url": "https://e-tib.com"
-    }
-  },
-  {
-    "@type": "Event",
-    "name": "Kabelwerkstatt Wiesbaden",
-    "startDate": "2026-12-02",
-    "endDate": "2026-12-03",
-    "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
-    "eventStatus": "https://schema.org/EventScheduled",
-    "location": {
-      "@type": "Place",
-      "name": "RheinMain CongressCenter",
-      "address": {
-        "@type": "PostalAddress",
-        "addressLocality": "Wiesbaden",
-        "addressCountry": "DE"
-      }
-    },
-    "organizer": {
-      "@type": "Organization",
-      "name": "E-TIB GmbH",
-      "url": "https://e-tib.com"
-    }
-  }
-]} />