Add attractive images and update the booking button styling

Add new images and update the booking button with gradient styling and hover effects across multiple HTML and CSS files.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 472a21cf-8087-4d34-92a0-a261765380d4
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Replit-Commit-Event-Id: f5f4de25-a6cc-4b86-9163-a509cfe4b98a
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/7cf8ee2f-055d-4309-ba7d-3b69d7e405a5/472a21cf-8087-4d34-92a0-a261765380d4/LqfanoI
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