CREATING MISSING PAGES AND ENHANCEMENTS...
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✅ Created elektro.php - Electric vehicles page
✅ Created kaufberatung.php - Buying guide page
✅ Created videos.php - Video center page

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✅ ALL PAGES CREATED SUCCESSFULLY!
- elektro.php (Electric vehicles)
- kaufberatung.php (Buying guide)
- videos.php (Video center)

All navigation links now work!