` and maybe an overlay for subtle text or a HUD effect. * *CSS:* Full screen, hidden overflow, dark background, typography (monospace/cybernetic). * *JS:* * Particle system where particles are connected by lines if they are close (neural web). * A central "nucleus" that pulses like a heartbeat. * Interaction: Mouse attraction/repulsion. * Complexity: Use `requestAnimationFrame`. * *Core Idea:* A particle web that forms a "digital anatomy". * *The "Romance" aspect:* The particles should move like a fluid, breathing entity. When the mouse moves, it's like a "caress" through the data. * *The "Proteo" aspect:* The code should feel autonomous. * *Canvas setup:* Full window size. * *Particle class:* Position, velocity, size, color. * *Connection logic:* Distance check between particles. * *Heartbeat:* A global sine wave modulating the global scale or color intensity. * `` only. * `` inside. * `