:root {
  color-scheme: light;

  /* Brand */
  --color-ink: #111111;
  --color-ink-strong: #050505;
  --color-ink-soft: #2b2b2b;
  --color-text-muted: #626862;
  --color-text-subtle: #777d77;
  --color-surface: #ffffff;
  --color-surface-soft: #f5f7f5;
  --color-surface-tint: #edf8ef;
  --color-border: #dce2dc;
  --color-border-strong: #c8d0c8;
  --color-brand: #34b854;
  --color-brand-dark: #21853a;
  --color-brand-bright: #9eff16;
  --color-teal: #00a992;
  --color-success: #185b28;
  --color-success-bg: #edf9f0;
  --color-error: #8a1f1f;
  --color-error-bg: #fff1f1;

  /* Typography */
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.35rem;
  --text-2xl: 1.65rem;
  --text-display-sm: clamp(2.15rem, 8.2vw, 4.6rem);
  --text-display-lg: clamp(3rem, 7vw, 4.8rem);
  --leading-tight: 1.02;
  --leading-heading: 1.16;
  --leading-body: 1.65;
  --tracking-tight: -0.045em;
  --tracking-label: 0.16em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 72.5rem;
  --container-gutter: 1.125rem;
  --header-height-mobile: 4.5rem;
  --header-height-desktop: 5.125rem;

  /* Shape and elevation */
  --radius-sm: 0.625rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.125rem;
  --radius-pill: 999px;
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 18px 55px rgba(0, 0, 0, 0.1);

  /* Interaction */
  --focus-ring: 0 0 0 3px rgba(52, 184, 84, 0.48);
  --duration-fast: 180ms;
  --duration-base: 260ms;
  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
}