Create a single high-resolution image containing four professional corporate AI maturity badges displayed side by side in a clean, balanced horizontal layout, with clear visual separation between each badge for easy individual extraction. The four badges represent a unified tiered system and must share the same core design language, proportions, geometry, and visual identity, clearly belonging to one consistent badge family. The overall visual style must be modern, business-oriented, and enterprise-grade, strongly inspired by the branding, color philosophy, and digital design language of PPG Industries (PPG paint manufacturer): confident use of color, clean geometry, subtle gradients, refined metallic materials, and polished corporate aesthetics. Each badge must have a transparent background and be clearly separated from the others, with no overlapping elements, no background textures, and no environment — only the badges themselves. Badges (left to right): 1) AI Ready — Bronze tier: premium bronze metallic finish with warm bronze tones and subtle reflections, visually suggesting readiness and foundational learning. Elegantly integrate the message “Prepare & Learn”. 2) AI Practitioner — Silver tier: modern silver metallic finish with cool tones and precise edges, visually suggesting hands-on practice and contribution. Elegantly integrate the message “Practice & Contribute”. 3) AI Expert — Gold tier: refined gold metallic finish with restrained luxury and controlled shine, See more