WooCommerce Cart Checkout Customization

I need a WooCommerce expert to customize the cart and checkout pages.

Requirements include:
- Tailoring the design and layout on both pages
- Adding custom functionality
- Implementing additional data capture fields

Customization must be optimized for both desktop and mobile devices.

Ideal Skills & Experience:
- Proficiency in WooCommerce
- Strong design skills for responsive layouts
- Experience with custom functionalities and data fields
- Familiarity with WordPress development