:root {
  --hero-bg: url("https://portoimagem.wordpress.com/wp-content/uploads/2025/07/datacenter2.jpg");
  --cta-bg: url("https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1600&q=80");
  --page-bg: none;
}