These utility classes actually have utility.
We aren't replicating CSS with classnames, but providing real functionality to be combined or used individually. If you want a common layout or pattern or even automatic color contrast, we've got you.
CSS Grid-based page layouts. All layouts are responsive by default.
When to use: Responsive page and panel layouts for app and content structure.
Classes: .layout-card, .layout-sidebar, .layout-split, .layout-three-col, .layout-readable
Variants:
.layout-sidebar - 250px sidebar (default).layout-sidebar.narrow - 150px sidebar.layout-sidebar.wide - 350px sidebar.layout-sidebar.invert - Sidebar on right.layout-sidebar.fill - Full app-shell frame (--layout-gap: 0, height: 100dvh).layout-sidebar.fixed - Sticky sidebar with scrolling main contentAdd .no-stack to prevent stacking on mobile.
Responsive: 3 cols → 2 cols → 1 col.
Max-width container for optimal reading:
Variants:
.layout-readable - Start-aligned.layout-readable.center - Centered.layout-readable.end - End-alignedFull bleed child:
--gap or --layout-gap - Gap between grid items--min-card-width - Minimum card width for .layout-card--max-width - Max width for .layout-readable--padding - Inline padding for .layout-readableFlexbox utilities for vertical and horizontal layouts.
When to use: Flow and grouping helpers for vertical/horizontal composition.
Classes: .stack, .cluster, .split, .split.vertical, .flex, .grid
Stack:
display: flexflex-direction: columngap: 1remCluster:
display: flexflex-wrap: wrapgap: 1remalign-items: centerSplit:
display: flexjustify-content: space-betweenalign-items: startgap: 20pxHelper classes for common styling needs.
When to use: Common reset, visibility, width, and helper utilities.
Classes: .readable, .no-list, .circle, .row, .visually-hidden, .auto-color, .full, .fc
In forms and fieldsets, .row also works as a field-group wrapper (label + control + help text).
Use .readable or .narrow when you also need max-width constraints.
Utility classes for heading-style typography and fluid size tokens.
When to use: Applying type hierarchy styles to non-heading elements.
Classes: .h1, .h2, .h3, .h4, .h5, .h6, .fs-xs, .fs-base, .fs-s, .fs-m, .fs-l, .fs-xl, .fs-xxl, .fs-xxxl
Use these classes when you need visual hierarchy without changing semantic HTML.
.h1-.h6 apply heading styles to any element..fs-* classes map directly to the fluid type scale (--fl).Curated gradient background and gradient text utility classes.
When to use: Adding branded visual emphasis to surfaces and headings.
Classes: .gradient-*, .gradient-text
Gradient utilities provide complete, theme-aware color compositions.
.gradient-* on containers for expressive backgrounds..gradient-text to apply the same gradient treatment to text.