Modernize and Complete SS Website

I need help finishing the editing of my existing SS website. The work includes designing a modern header and footer, as well as a sales page.

Requirements:
- Create a modern-styled header that includes:
- Logo
- Navigation menu
- Search bar
- Design a modern footer
- Develop a comprehensive sales page

Ideal Skills and Experience:
- Proven experience with SS websites
- Strong modern design skills
- Proficiency in creating effective sales pages