You are implementing a Structural Grid (also called "Exposed Grid" or "Rail Layout") design pattern. This is the modern SaaS design pattern used by Linear, Vercel, Resend, Profound, and Planetscale — where the underlying page grid is promoted to a first-class visual element.
Add these to your global CSS. All measurements derive from a single --rail-offset variable.
Always use overflow-x: clip on .page-rails, NEVER overflow-x: hidden. hidden creates a new scroll container which breaks position: sticky on any descendant. clip clips overflow visually without affecting scroll/sticky behavior.
Structural Grid (Exposed Grid / Rail Layout) Designsystem für moderne SaaS-Landingpages. Verwenden Sie es, wenn Sie Marketing-Websites, Landingpages oder SaaS-Produktseiten mit dunklen Themen erstellen, die von Linear, Vercel, Resend und Planetscale inspiriert sind. Bietet CSS-Grundlagen, Abschnittsmuster, Komponentenrezepte und reaktionsfähige Rahmenlogik für die Ästhetik des sichtbaren Rasters. Quelle: nabinkhair42/structural-grid-skill.