:root {
  --color-paper: oklch(96.5% 0.018 88);
  --color-paper-2: oklch(93% 0.026 95);
  --color-paper-3: oklch(89% 0.035 100);
  --color-ink: oklch(19% 0.025 185);
  --color-ink-2: oklch(33% 0.03 185);
  --color-muted: oklch(45% 0.026 185);
  --color-rule: oklch(79% 0.035 100);
  --color-forest: oklch(37% 0.065 190);
  --color-forest-deep: oklch(23% 0.055 195);
  --color-river: oklch(46% 0.09 210);
  --color-river-soft: oklch(84% 0.045 205);
  --color-on-dark: oklch(97% 0.016 88);
  --color-on-dark-muted: oklch(84% 0.03 95);
  --color-accent: oklch(74% 0.145 82);
  --color-accent-ink: oklch(19% 0.025 185);
  --color-accent-dark: oklch(48% 0.115 78);
  --color-focus: oklch(62% 0.17 78);

  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Geist", "Trebuchet MS", sans-serif;

  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.25rem;
  --text-lg: 1.5625rem;
  --text-xl: 1.953rem;
  --text-2xl: 2.441rem;
  --text-3xl: 3.052rem;
  --text-display: clamp(2.5rem, 5vw, 4.5rem);

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  --page-gutter: clamp(1rem, 4vw, 4.5rem);
  --page-width: 90rem;
  --measure: 65ch;

  --rule-hair: 1px;
  --rule-strong: 2px;
  --radius-control: 0.25rem;
  --radius-media: clamp(1.5rem, 5vw, 5rem);
  --radius-arch: 46% 46% var(--radius-control) var(--radius-control) / 12% 12% var(--radius-control) var(--radius-control);

  --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: 220ms;
  --dur-long: 420ms;

  --z-base: 1;
  --z-raised: 10;
  --z-dropdown: 100;
}