/**
 * Base Design Tokens
 * Foundation typography, spacing, and color primitives
 * Extended by site-specific tokens (e.g., _4dmc-brand.css)
 */

:root {
	/* Typography */
	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	--font-mono: 'JetBrains Mono', 'Courier New', monospace;
	--font-weight-normal: 400;
	--font-weight-medium: 500;
	--font-weight-semibold: 600;
	--font-weight-bold: 700;
	--font-weight-extrabold: 800;

	/* Font Sizes */
	--font-size-xs: 0.75rem;
	--font-size-sm: 0.875rem;
	--font-size-base: 1rem;
	--font-size-lg: 1.125rem;
	--font-size-xl: 1.25rem;
	--font-size-2xl: 1.5rem;
	--font-size-3xl: 1.875rem;
	--font-size-4xl: 2.25rem;
	--font-size-5xl: 3rem;

	/* Spacing */
	--spacing-xs: 0.5rem;
	--spacing-sm: 0.75rem;
	--spacing-base: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--spacing-2xl: 4rem;

	/* Border Radius */
	--radius-sm: 2px;
	--radius-base: 4px;
	--radius-md: 8px;
	--radius-lg: 12px;

	/* Shadows */
	--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
	--shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
	--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

	/* Transitions */
	--duration-fast: 100ms;
	--duration-normal: 200ms;
	--duration-slow: 300ms;
	--ease-linear: linear;
	--ease-in: cubic-bezier(0.4, 0, 1, 1);
	--ease-out: cubic-bezier(0, 0, 0.2, 1);
	--ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

	/* Lines and dividers */
	--line-height-tight: 1.2;
	--line-height-normal: 1.5;
	--line-height-relaxed: 1.75;
}

/* Font imports */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');