/** Safari 14 fallback for MediaQueryList listener registration */
export declare function addMqlListener(mql: MediaQueryList, handler: (e: MediaQueryListEvent) => void): () => void;
/**
 * SSR-safe hook that returns true when the user prefers reduced motion.
 * Initializes from matchMedia synchronously to avoid a flash of animation.
 */
export declare function useReducedMotion(): boolean;
/**
 * SSR-safe hook that returns true when forced-colors or high-contrast mode is active.
 */
export declare function useHighContrast(): boolean;
