Four complete designs over the same live data. One click switches the entire site; your choice sticks in this browser. Add ?theme=neon (or aurora / solar / terminal) to any URL to share a look.
Cyber-neon: magenta×cyan glow, animated gradient borders, shine effects. The loud one.
The engineer’s original: deep navy, mono data, green accent. Quiet confidence.
Glassmorphism over drifting aurora blobs. Frosted panels, violet×ice.
Amber-on-coal heavy industry: uppercase heroes, hazard energy, hot CTAs.