Green Square and Letter C

Create a letter logo featuring a prominent 'C' integrated within a green square. The design should utilize elegant fonts and a modern color palette that includes bright colors to convey professionalism, creativity, and uniqueness. The logo should have a technological feel, incorporating sleek lines and a contemporary aesthetic. Keywords to include: 'innovation', 'sustainability', 'technology', 'creativity', 'professionalism'. Ensure the overall composition is visually impactful and memorable.