FEATURE REQUEST : add hero section with large logo and navigation cards

### Is your feature request related to a problem?

- [x] Yes, it is related to a problem

### Describe the feature you'd like

##🌟 Feature Description
Implement a modern, animated landing page for InpactAI that introduces the platform, highlights its value proposition, and provides intuitive navigation to core sections (Features, How It Works, Integrations, Contact).

##🔍 Problem Statement
Currently, the application lacks an engaging landing page that effectively communicates the brand and guides users to key areas. This can lead to a poor first impression and reduced user engagement.

##🎯 Expected Outcome
A visually appealing landing page with animated backgrounds and smooth transitions.
Prominent display of the InpactAI brand and tagline.
Clear navigation cards/buttons for Features, How It Works, Integrations, and Contact.
Responsive design for all devices.
No dependency on MetaMask or other wallet extensions for initial load.

##📷 Screenshots and Design Ideas
Hero section with animated gradients, blurred shapes, and SVG lines.
Large, bold headline and subheadline.
Four navigation cards with icons and hover effects.
Example design:

## 📋 Additional Context
Use Tailwind CSS for styling and Framer Motion for animations.
Ensure accessibility and fast load times.
The landing page should serve as the main entry point for new and returning users.

### Record

- [x] I agree to follow this project's Code of Conduct
- [x] I want to work on implementing this feature