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/en/messen.mdx

@@ -1,35 +1,29 @@
 ---
-title: "Trade Fairs & Events"
+title: "Fairs & Events"
 date: "2024-03-20"
-excerpt: "Meet the E-TIB Group team in person at trade fairs and industry events."
+excerpt: "Meet the team of the E-TIB Group personally at trade fairs and industry events."
 layout: "fullBleed"
 ---
 
 <HomeHero 
-  badge="Events"
-  title="Meet us\nin person"
-  description="Get in touch with our experts. We are represented at the most important industry trade fairs and look forward to speaking with you personally."
-  videoUrl="/assets/videos/web/hero-messe.mp4"
-  linkText="View dates"
-  linkHref="#dates"
+  badge="Fairs & Events"
+  title="Meet us personally"
+  description="Get to know the E-TIB Group at the leading industry trade fairs."
+  videoUrl="/assets/videos/web/hero-bahnkreuzung.mp4"
+  linkText="Get in Touch"
+  linkHref="/en/kontakt"
 />
 
-<div id="dates">
+<div id="termine">
   <JobListingBlock 
     showFairs={true} 
-    showJobs={false}
-    fairsTitle="Upcoming Trade Fairs 2026"
+    showJobs={false} 
     fairs={[
-      { name: 'Intersolar Munich', date: 'June 19 - 21, 2026', type: 'Energy Fair' },
-      { name: 'Wind Energy Days Linstow', date: 'Nov 04 - 06, 2026', type: 'Specialist Congress' },
-      { name: 'Cable Workshop Wiesbaden', date: 'Dec 02 - 03, 2026', type: 'Trade Fair' }
+      { name: 'Intersolar Munich', date: '2024 / 2025', type: 'Fair', location: 'Munich' },
+      { name: 'Wind Energy Days Linstow', date: '2024 / 2025', type: 'Specialist Congress', location: 'Linstow' },
+      { name: 'Cable Workshop Wiesbaden', date: '2024 / 2025', type: 'Trade Fair', location: 'Wiesbaden' }
     ]}
   />
 </div>
 
-<CallToAction 
-  title="Ready for Your Project?"
-  description="We are always looking for new challenges and strong partners. Contact us for a non-binding consultation on your project."
-  ctaLabel="Contact Us Now"
-  ctaHref="/en/kontakt"
-/>
+<CallToAction />