:root {
  /* Palette */
  --paper: #f2ead8;
  --paper-light: #fbf6e9;
  --paper-deep: #ded3b9;
  --white: #fffdf5;
  --ink: #1f2c2a;
  --ink-soft: #46504b;
  --caption: #35423d;
  --bookcloth: #173b3d;
  --bookcloth-light: #27595b;
  --water: #587f7c;
  --water-pale: #b9cfcc;
  --brass: #d0a33d;
  --brass-dark: #a7781f;
  --brass-ink: #785614;
  --tape: #e4ce87;
  --moss: #687356;
  --rule: #8d8778;
  --rule-light: rgba(31, 44, 42, 0.18);

  /* Semantic aliases */
  --brick: var(--brass);
  --brick-dark: var(--brass-dark);
  --mustard: var(--tape);

  /* Type */
  --display: Georgia, Cambria, "Times New Roman", serif;
  --body: "Trebuchet MS", Candara, "Segoe UI", sans-serif;
  --catalogue: "Courier New", Courier, monospace;

  /* Layout */
  --shell: 1240px;
  --gutter: clamp(1.15rem, 3.5vw, 3rem);
  --section-space: clamp(5.5rem, 10vw, 9rem);
  --shadow-small: 4px 5px 0 rgba(31, 44, 42, 0.18);
  --shadow-paper: 9px 12px 0 rgba(31, 44, 42, 0.16);
}