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/referenzen/forst.mdx

@@ -1,16 +1,16 @@
 ---
-title: "Neubau Kabeltrasse, 03149 Forst"
+title: "New Cable Route, Forst"
 client: "Mitteldeutsche Netzgesellschaft Strom mbH"
-date: "2020-09-30"
-dateString: "03/2020 bis 09/2020"
-location: "Forst"
+date: "2020-03-01"
+dateString: "03/2020 to 09/2020"
+location: "03149 Forst"
 featuredImage: "/assets/photos/DSC02156.jpg"
 ---
 
-- 2984 m Kabelgraben ausheben und verfüllen
-- 945 m Horizontalspülbohrung d 160 + d 50
-- 3.929 m Verlegung MS-Kabel 240 mm², 12/20 kV
-- 3.929 m Verlegung PE-Schutzrohr 50 x 4,6 mm
-- 11 Satz Montage MS-Verbindungsmuffe 240 mm², 12/20 kV
-- 1 Satz Montage MS-Endverschluss 240 mm², 12/20 kV
-- 2.000 m Rückbau Freileitung (inkl. 16 Stück Maste)
+- 2,984 m cable trench excavation and backfilling
+- 945 m horizontal directional drilling d 160 + d 50
+- 3,929 m installation of MV cable 240 mm², 12/20 kV
+- 3,929 m installation of PE protection pipe 50 x 4.6 mm
+- 11 sets assembly of MV connection joint 240 mm², 12/20 kV
+- 1 set assembly of MV end termination 240 mm², 12/20 kV
+- 2,000 m dismantling of overhead line (incl. 16 poles)