:root {
  /* Cores canônicas — A1 / Autoridade Clássica */
  --color-ink: #332A26;
  --color-paper: #F7F0E7;
  --color-accent-champagne: #CDAE85;
  --color-accent-terracotta: #B46F52;
  --color-ink-muted: rgb(51 42 38 / 72%);
  --color-ink-line: rgb(51 42 38 / 14%);

  /* Primitive */
  --font-family-serif: "Libre Baskerville", Georgia, serif;
  --font-family-sans: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --tracking-signature: -0.035em;
  --tracking-heading: -0.025em;
  --tracking-label: 0.16em;
  --leading-signature: 1;
  --leading-display: 1.05;
  --leading-heading: 1.15;
  --leading-body: 1.6;
  --leading-label: 1.2;
  --type-body: 1rem;
  --type-label: 0.75rem;

  /* Semantic */
  --font-signature: var(--font-family-serif);
  --font-heading: var(--font-family-serif);
  --font-body: var(--font-family-sans);
  --font-interface: var(--font-family-sans);

  /* Component */
  --type-signature-size: clamp(1.875rem, 4vw, 3rem);
  --type-display-size: clamp(2.375rem, 6vw, 4rem);
  --type-h1-size: clamp(2.125rem, 5vw, 3.25rem);
  --type-h2-size: clamp(1.75rem, 4vw, 2.5rem);
  --type-h3-size: clamp(1.375rem, 3vw, 1.75rem);
  --type-body-large-size: clamp(1.125rem, 2vw, 1.25rem);
}