Professional Instagram Post Template

As a social media design expert, create a detailed template for a professional Instagram post. Include specific recommendations for: 1) Background colors and gradients that align with current trends 2) Font pairings and text placement that maximize readability 3) Image composition guidelines including rule of thirds 4) Suggested content blocks for main text, hashtags, and call-to-action 5) Dimensions and spacing specifications optimized for Instagram. The design should be modern, engaging, and versatile enough to adapt for different business niches.