Sales Proposal Branding and Presentation

I need a sales proposal document branded and the presentation improved in the next 3 hours.

Requirements:
- Branding should be minimalistic and clean
- Improve typography and color scheme based on my preferences

Ideal Skills and Experience:
- Strong design skills
- Experience with branding documents
- Proficiency in presentation software (e.g., PowerPoint, Keynote)
- Ability to work under tight deadlines