Shopify Customization: Collections & Product Page

I'm looking for a Shopify expert to help me enhance my store's design and layout.

Collections Page Customization:
- Design modifications particularly focusing on the color scheme and fonts.
- Adjustments to image sizes and placements.

Product Page Customization:
- Improvements to the product details layout.

Ideal candidate has:
- Proficient experience in Shopify.
- Strong design sense and attention to detail.
- Previous work showcasing similar customizations.

I want my collection page to display all products more uniformly. Here is my collections page

https://fidelityscouts.com/collections/social-media-loyalty-test