Playful Course Completion Certificate Design

I need a fun and playful course completion certificate for Earn Language. The certificate should incorporate primary colors and include the following elements:

- Earn Language logo
- Student's name and course
- Signature of the course instructor

Ideal skills and experience:
- Graphic design expertise
- Experience with certificate design
- Proficiency in using design software (e.g., Adobe Illustrator, Canva, etc.)
- Strong creativity and color coordination

Looking forward to your innovative designs!