Professional Graphic Design Portfolio for Modern Social Media Services

We are seeking a talented graphic designer to create a professional portfolio showcasing modern social media design capabilities. The portfolio should feature 6 high-quality sample designs, demonstrating a strong understanding of current design trends and effective visual communication. The goal is to present the work of a skilled beginner graphic designer, ready to collaborate with clients and businesses.

Required sample designs include:
- A compelling Instagram post for a clothing brand.
- An eye-catching promotional poster for a restaurant.
- A dynamic product advertisement.
- A captivating YouTube thumbnail.
- A professional business sale banner.
- A stylish and modern event invitation.

All designs must adhere to principles of clean layouts, professional typography, strong visual hierarchy, and consistent branding to ensure a cohesive and impressive presentation.