What problem does it solve? Developers using the Singapore Government Design System need to apply correct utility classes, theme-aware color tokens, and responsive grid layouts without memorizing the full token taxonomy or writing custom CSS. ## Core Features & Use Cases - Utility Class Reference: Covers background-color, text-color, border-color, border-width, border-radius, typography, spacing, grid, dimension, opacity, elevation, and breakpoints under the sgds: prefix. - Setup Guidance: Explains Tailwind v4 imports, theme file requirements for color utilities, theme switching, and framework integration for Next.js, Nuxt, Angular, SvelteKit, Astro, and more. - Use Case: When building a government web page, ask for a responsive card layout and receive correct markup using sgds:bg-surface-raised, sgds:rounded-md, semantic spacing tokens, and the .sgds-container/.sgds-grid/.sgds-col-* grid system. ## Quick Start Ask the assistant to style a responsive card component using SGDS utility classes with proper spacing and theme-aware colors.