/* Hallmark · tokens · theme: custom (vibe: "Kanzleipapier, Tinte, gedämpftes Grün, Messing")
 * axes: light / roman-serif / chromatic-green
 */
:root {
  /* colour */
  --color-paper:     oklch(97% 0.010 85);
  --color-paper-2:   oklch(94.5% 0.013 85);
  --color-paper-3:   oklch(91% 0.016 85);
  --color-rule:      oklch(85% 0.012 85);
  --color-neutral:   oklch(50% 0.012 80);
  --color-muted:     oklch(38% 0.012 80);
  --color-ink:       oklch(22% 0.018 165);
  --color-accent:    oklch(45% 0.075 155);
  --color-accent-2:  oklch(38% 0.07 155);
  --color-accent-bg: oklch(93% 0.03 150);
  --color-brass:     oklch(58% 0.10 72);
  --color-brass-bg:  oklch(94% 0.035 80);
  --color-focus:     oklch(48% 0.12 155);
  --color-on-ink:    oklch(96% 0.008 85);

  /* type */
  --font-display: "Newsreader", ui-serif, Georgia, serif;
  --font-body:    "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.25rem;
  --text-lg:   1.5625rem;
  --text-xl:   1.9531rem;
  --text-2xl:  2.4414rem;
  --text-display: clamp(2.5rem, 5vw + 1rem, 4.75rem);

  /* space (4pt) */
  --space-3xs: 0.125rem;
  --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, 4rem);

  /* rules, radius, depth */
  --rule-hair: 1px solid var(--color-rule);
  --rule-ink:  1px solid var(--color-ink);
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-whisper: 0 1px 2px oklch(20% 0.01 85 / 0.06), 0 8px 24px oklch(20% 0.01 85 / 0.05);

  --z-raised: 10;
  --z-sticky: 200;

  /* motion */
  --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;
}