/* Hallmark · theme: Terminal
 * axes: paper-band = dark (L 15%) · display-style = mono · accent-hue = chromatic-other (phosphor, hue 150)
 */
:root {
  /* colour — four layers, phosphor anchor */
  --color-paper:   oklch(15% 0.012 150);
  --color-paper-2: oklch(18% 0.014 150);
  --color-paper-3: oklch(21% 0.016 150);
  --color-rule:    oklch(32% 0.018 150);
  --color-neutral: oklch(62% 0.02  150);
  --color-muted:   oklch(76% 0.015 150);
  --color-ink:     oklch(93% 0.01  150);
  --color-accent:  oklch(80% 0.19  150);
  --color-focus:   oklch(80% 0.19  150);

  /* type */
  --font-display: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-body:    "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;

  /* scale — 1.25 major third on a 16px body */
  --text-xs:   0.64rem;
  --text-sm:   0.8rem;
  --text-base: 1rem;
  --text-md:   1.25rem;
  --text-lg:   1.5625rem;
  --text-xl:   1.9531rem;
  --text-2xl:  2.4414rem;
  --text-display: clamp(1.6rem, 8vw, 8.25rem);

  /* space — 4pt scale */
  --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;

  /* rules + radius */
  --rule-hair:  1px;
  --rule-thick: 3px;
  --radius-xs:  1px;

  /* motion — Terminal is 0×; only the nav caret moves */
  --dur-caret: 1.05s;
  --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);

  /* layout */
  --page-gutter: clamp(1rem, 4vw, 4rem);
  --z-base:   1;
  --z-raised: 10;
}