A horizontal timeline with 5 circular milestones, each with a tech-inspired icon (e.g., circuit, gear), soft neon accents in green and purple, transparent background, 16:9 ratio, futuristic aesthetic, no text labels.

Create a high-detail cyberpunk horizontal timeline in 16:9 aspect ratio with five circular milestones connected by a sleek illuminated line, each milestone housing a tech-inspired icon (circuit, microchip, gear, AI glyph, drone propeller), softly glowing neon accents in green and purple, a transparent background with a subtle holographic glow and atmospheric mist, no text labels, futuristic aesthetic and high contrast suitable for compositing.