Capture the vibrant spirit of football star Caleb Williams with a dynamic nail design that features a bold color palette highlighting rich purples, striking blacks, and vivid gold. Integrate intricate linework and sharp geometric shapes to echo his team's jerseys and bring a sense of movement. Add a playful touch with tiny football helmet icons and jersey numbers to reflect his prowess on the field. Finish with a glossy top coat to accentuate the colors and ensure longevity. The design should embody a sporty yet elegant style, perfect for game day viewing parties or daily wear.