Dark Blue Contrasting Clean Skill Use When - Create a dark-blue clean design system with strong contrast, cobalt gradient feature blocks, crisp framed structure, and restrained premium glow. Workflow Scope - Apply this as a full design-system direction across page background, framing rails, hero or CTA bands, cards, link groups, navigation, and motion. - Use it when the interface should feel premium, dark, crisp, and blue-led, with strong contrast between deep navy surfaces and brighter cobalt focal regions. - This is not an airy cloud-blue system and not loud neon sci-fi. It should stay clea…