Use this skill when the user wants to build a crisp dark-mode SaaS landing page with a gradient indigo→purple→pink headline, a sticky backdrop-blurred nav, a UI-mockup hero frame (issue tracker / kanban / linear-style with status chips and team rails), a 3x2 feature grid wired with the 1px-gap-on-tinted-bg lattice trick, a method-vs-metrics split with check-list rituals, and a centered gradient CTA. Triggers include "Linear-style landing", "dark SaaS marketing", "developer tool landing with gradient text", "issue tracker hero mockup", "feature grid with 1px borders", "kanban board hero", "sticky blurred dark nav", "metric cards with big numerals", "indigo purple pink grad…
