:root {
  --space-3xs: 2px; --space-2xs: 4px; --space-xs: 8px; --space-sm: 12px; --space-md: 16px; --space-lg: 24px; --space-xl: 32px; --space-2xl: 48px; --space-3xl: 72px; --space-4xl: 104px;
  --text-xs: 0.8125rem; --text-sm: 0.875rem; --text-md: 1rem; --text-lg: 1.125rem; --text-xl: 1.35rem; --text-2xl: 1.75rem; --text-3xl: 2.25rem;
  --text-display-s: clamp(2rem, 3.5vw + 0.5rem, 3.25rem); --text-display: clamp(2.5rem, 4.5vw + 0.5rem, 4.25rem);
  --text-section: clamp(1.85rem, 2.2vw + 0.8rem, 2.75rem); --text-title: clamp(1.2rem, 0.6vw + 0.85rem, 1.45rem); --text-lead: clamp(1.05rem, 0.3vw + 0.95rem, 1.25rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); --ease-in: cubic-bezier(0.7, 0, 0.84, 0); --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms; --dur-short: 200ms; --dur-long: 350ms;
  --color-error: oklch(50% 0.20 27); --color-success: oklch(48% 0.16 150);
  --container: 1280px; --gutter: 48px; --gap-columns: 24px; --section-gap-s: 72px; --section-gap: 96px; --section-gap-l: 128px;
  --z-base: 1; --z-raised: 10; --z-dropdown: 100; --z-sticky: 200; --z-sticky-nav: 300; --z-modal: 400; --z-toast: 500; --z-tooltip: 600;
  
  /* Brand Theme Colors */
  --color-white: oklch(100% 0 0);
  --color-white-trans-40: color-mix(in oklab, var(--color-white) 40%, transparent);
  --color-white-trans-10: color-mix(in oklab, var(--color-white) 10%, transparent);
  --color-paper: oklch(99.4% 0.003 245);
  --color-paper-2: oklch(97.6% 0.005 245);
  --color-paper-3: oklch(94.2% 0.008 245);
  --color-ink: oklch(16% 0.028 260);
  --color-ink-2: oklch(34% 0.025 255);
  --color-ink-light: oklch(84% 0.01 245);
  --color-muted: oklch(46% 0.025 250);
  --color-rule: oklch(89.5% 0.008 245);
  --color-accent: oklch(48% 0.24 255);
  --color-accent-hover: oklch(42% 0.24 255);
  --color-accent-subtle: oklch(96% 0.03 255);
  --color-accent-ink: oklch(100% 0 0);
  --color-focus: oklch(48% 0.24 255);
  
  --font-display: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, 'Geist Mono', SFMono-Regular, monospace;
  --font-outlier: var(--font-body);
  
  --radius-sm: 6px;
  --radius-card: 12px;
  --radius-pill: 9999px;
  --rule-hair: 1px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 4px 14px rgba(15, 23, 42, 0.08);
  --tracking-display: -0.025em;
}