:root {
  /* Colors */
  --color-stone-canvas: #fafaf9;
  --color-pure-white: #ffffff;
  --color-stone-border: #e8e6e5;
  --color-stone-muted: #d6d3d1;
  --color-ash-gray: #a8a29e;
  --color-warm-gray: #78716c;
  --color-ink-black: #0c0a09;
  --color-soot: #1c1917;
  --color-sky-wash: #c1e1f7;
  --color-cyan-signal: #3ba6f1;
  --color-cyan-edge: #3398e1;

  /* Typography — Font Families */
  --font-roobert: 'Roobert', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-inter: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Typography — Scale */
  --text-caption: 10px;
  --leading-caption: 2.3;
  --text-body-lg: 16px;
  --leading-body-lg: 1.69;
  --tracking-body-lg: 0.048px;
  --text-subheading: 20px;
  --leading-subheading: 1.2;
  --tracking-subheading: -0.1px;
  --text-heading-sm: 32px;
  --leading-heading-sm: 1.25;
  --tracking-heading-sm: -0.8px;
  --text-display: 52px;
  --leading-display: 1.12;
  --tracking-display: -1.092px;

  /* Typography — Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Spacing */
  --spacing-unit: 4px;
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;
  --spacing-160: 160px;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 96px;
  --card-padding: 24px;
  --element-gap: 8px;

  /* Border Radius */
  --radius-md: 4px;
  --radius-lg: 10px;
  --radius-2xl: 16px;
  --radius-full: 9999px;

  /* Named Radii */
  --radius-tags: 9999px;
  --radius-cards: 10px;
  --radius-icons: 4px;
  --radius-inputs: 6px;
  --radius-buttons: 9999px;
  --radius-feature-card: 16px;

  /* Shadows */
  --shadow-md: rgba(0, 0, 0, 0.05) 0px 4px 16px 0px;
  --shadow-sm: rgba(0, 0, 0, 0.1) 0px 4px 6px -1px, rgba(0, 0, 0, 0.1) 0px 2px 4px -2px;
  --shadow-subtle: rgba(0, 0, 0, 0.05) 0px 1px 2px 0px;
  --shadow-xl: rgba(17, 12, 46, 0.12) 0px 12px 45px 0px;

  /* Surfaces */
  --surface-canvas: #fafaf9;
  --surface-card: #ffffff;
  --surface-floating-preview: #ffffff;
  --surface-inverted-section: #1c1917;

  /* Extensión semántica accesible: sólo error, required y acciones destructivas. */
  --color-semantic-error: #b42318;
  /* Extensión semántica accesible: sólo estados que requieren atención humana. */
  --color-semantic-attention: #c2410c;
}