Modern Minimalist Social Media & Business Card Design

I need a complete set of modern and minimalist banners for my social media profiles (Twitter, Facebook, etc.) and a landing page banner. These should be designed according to the specific size requirements of each platform and should be high quality. In addition, I'd like a business card designed as well.

Key Requirements:
- Banners for various social media platforms
- A landing page banner
- A business card design

Design Style:
- All designs should adhere to a modern and minimalist style
- Use of specific brand colors (I'll need assistance choosing these)

Ideal Skills:
- Graphic Design
- Social Media Banner Design
- Business Card Design
- Brand Color Consultation

The business card should include the logo and contact details.