Grid: linear-gradient 40x40px

Noise: SVG feTurbulence fractalNoise

Hero BG: datacenter.webp | opacity: 0.15 | grayscale | fade-to-transparent

Fundo claro: #F8F8F8 | grid: rgba(0,0,0,0.02) | noise: 0.4

Fundo escuro: #0F0F0F | grid: rgba(255,255,255,0.012) | noise: 0.2