Create a concept for a beautiful website dedicated to fitness clothing. The design should be modern and sleek, emphasizing high-quality visuals of the products. The site should offer an easy-to-navigate interface, with categories for different types of fitness apparel. Include features such as customer reviews, a blog section for health and fitness tips, and a user-friendly checkout process. The color scheme should be vibrant and energizing, reflecting the dynamic nature of fitness. The website should also be mobile-responsive to cater to users on various devices.