Neon rainbow line art portraits of four tech icons on white

Minimal faceless neon line-art portraits of Sam Altman, Mark Zuckerberg, Donald Trump, and Elon Musk, colorful rainbow contour sketch style on pure white background, futuristic minimalist poster aesthetic, smooth artistic scribble lines, handwritten signature names with company logos beside them, different poses and outfits for each character, premium modern vector illustration, clean luxury tech-art style, vibrant gradient outlines, elegant faceless celebrity artwork.