/**
 * Typography System - Fluid & Canonical
 *
 * Typography follows a mathematical scale using CSS clamp()
 * for fluid responsiveness without breakpoint jumps.
 *
 * "Typography is the craft of endowing human language with a durable visual form" - Robert Bringhurst
 *
 * @see /STANDARDS.md - Section 1.1 Typography
 */
export declare const typography: {
    readonly family: {
        readonly sans: "system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif";
        readonly mono: "\"JetBrains Mono\", \"Fira Code\", \"SF Mono\", Consolas, monospace";
        readonly serif: "Georgia, \"Times New Roman\", serif";
    };
    readonly weight: {
        readonly regular: "400";
        readonly medium: "500";
        readonly semibold: "600";
        readonly bold: "700";
    };
    readonly leading: {
        readonly tight: "1.25";
        readonly snug: "1.375";
        readonly normal: "1.5";
        readonly relaxed: "1.625";
        readonly loose: "1.75";
    };
    readonly tracking: {
        readonly tighter: "-0.025em";
        readonly tight: "-0.015em";
        readonly normal: "0";
        readonly wide: "0.025em";
        readonly wider: "0.05em";
        readonly widest: "0.1em";
    };
    readonly scale: {
        readonly 'display-xl': "clamp(3.5rem, 5vw + 2rem, 7rem)";
        readonly display: "clamp(2.5rem, 4vw + 1.5rem, 5rem)";
        readonly h1: "clamp(2rem, 3vw + 1rem, 3.5rem)";
        readonly h2: "clamp(1.5rem, 2vw + 0.75rem, 2.25rem)";
        readonly h3: "clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem)";
        readonly h4: "clamp(1.125rem, 1vw + 0.5rem, 1.5rem)";
        readonly h5: "clamp(1rem, 0.5vw + 0.75rem, 1.25rem)";
        readonly h6: "clamp(0.875rem, 0.25vw + 0.75rem, 1rem)";
        readonly 'body-lg': "1.125rem";
        readonly body: "1rem";
        readonly 'body-sm': "0.875rem";
        readonly caption: "0.75rem";
        readonly overline: "0.6875rem";
    };
};
export type FontFamily = keyof typeof typography.family;
export type FontWeight = keyof typeof typography.weight;
export type LineHeight = keyof typeof typography.leading;
export type LetterSpacing = keyof typeof typography.tracking;
export type TypeScale = keyof typeof typography.scale;
/**
 * CSS custom property names for typography
 */
export declare const typographyVars: {
    readonly '--font-sans': "system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif";
    readonly '--font-mono': "\"JetBrains Mono\", \"Fira Code\", \"SF Mono\", Consolas, monospace";
    readonly '--font-serif': "Georgia, \"Times New Roman\", serif";
    readonly '--font-regular': "400";
    readonly '--font-medium': "500";
    readonly '--font-semibold': "600";
    readonly '--font-bold': "700";
    readonly '--leading-tight': "1.25";
    readonly '--leading-snug': "1.375";
    readonly '--leading-normal': "1.5";
    readonly '--leading-relaxed': "1.625";
    readonly '--leading-loose': "1.75";
    readonly '--tracking-tighter': "-0.025em";
    readonly '--tracking-tight': "-0.015em";
    readonly '--tracking-normal': "0";
    readonly '--tracking-wide': "0.025em";
    readonly '--tracking-wider': "0.05em";
    readonly '--tracking-widest': "0.1em";
    readonly '--text-display-xl': "clamp(3.5rem, 5vw + 2rem, 7rem)";
    readonly '--text-display': "clamp(2.5rem, 4vw + 1.5rem, 5rem)";
    readonly '--text-h1': "clamp(2rem, 3vw + 1rem, 3.5rem)";
    readonly '--text-h2': "clamp(1.5rem, 2vw + 0.75rem, 2.25rem)";
    readonly '--text-h3': "clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem)";
    readonly '--text-h4': "clamp(1.125rem, 1vw + 0.5rem, 1.5rem)";
    readonly '--text-h5': "clamp(1rem, 0.5vw + 0.75rem, 1.25rem)";
    readonly '--text-h6': "clamp(0.875rem, 0.25vw + 0.75rem, 1rem)";
    readonly '--text-body-lg': "1.125rem";
    readonly '--text-body': "1rem";
    readonly '--text-body-sm': "0.875rem";
    readonly '--text-caption': "0.75rem";
    readonly '--text-overline': "0.6875rem";
};
/**
 * Generate CSS custom properties string
 */
export declare function generateTypographyCSS(): string;
/**
 * Get heading styles (font-size + letter-spacing + line-height)
 */
export declare function getHeadingStyles(level: 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6'): {
    fontSize: string;
    letterSpacing: string;
    lineHeight: string;
    fontWeight: string;
};