/* Hallmark · design-system: design.md · token block.
 * OKLCH paper + ink + accent. 4pt named spacing. Type + motion tokens.
 * Imported at the top of styles.css. Never declare a raw colour or font
 * outside this file — always reference a named token.
 */

:root {
  /* ── Paper + ink ── */
  --color-paper:        oklch(96.5% 0.008 90);
  --color-paper-2:      oklch(94%   0.012 88);
  --color-paper-3:      oklch(99%   0.004 90);
  --color-paper-4:      oklch(91%   0.014 86);
  --color-ink:          oklch(20%   0.018 155);
  --color-ink-2:        oklch(43%   0.016 155);
  --color-ink-3:        oklch(63%   0.012 155);

  /* ── Rules ── */
  --color-rule:         oklch(20% 0.018 155 / 0.10);
  --color-rule-strong:  oklch(20% 0.018 155 / 0.20);

  /* ── Accent ── */
  --color-accent:       oklch(48% 0.13 152);
  --color-accent-soft:  oklch(68% 0.14 145);
  --color-accent-tint:  oklch(68% 0.14 145 / 0.08);
  --color-accent-glow:  oklch(68% 0.14 145 / 0.20);

  /* ── Amber (caveats only — never primary) ── */
  --color-amber:        oklch(54% 0.12 55);
  --color-amber-tint:   oklch(54% 0.12 55 / 0.08);
  --color-amber-glow:   oklch(54% 0.12 55 / 0.20);

  /* ── Focus ── */
  --color-focus:        oklch(56% 0.16 152);

  /* ── Fonts ── */
  --font-display:       'Fraunces', 'Georgia', serif;
  --font-body:          'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:          'JetBrains Mono', 'SF Mono', monospace;

  /* ── 4pt spacing ── */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs:  0.75rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2rem;
  --space-xl:  3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 7rem;

  /* ── Type scale ── */
  --text-xs:       0.72rem;
  --text-sm:       0.85rem;
  --text-base:     1rem;
  --text-md:       1.05rem;
  --text-lg:       1.25rem;
  --text-xl:       1.5rem;
  --text-2xl:      2rem;
  --text-display-s: clamp(1.8rem, 3.6vw, 2.6rem);
  --text-display:   clamp(2.2rem, 5.5vw, 4.4rem);

  /* ── Motion ── */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-short:   180ms;
  --dur-base:    260ms;

  /* ── Radii ── */
  --r-card:  14px;
  --r-pill:  999px;
  --r-input: 8px;

  /* ── Shadow (used sparingly — editorial favours hairlines) ── */
  --shadow-sm: 0 1px 2px oklch(20% 0.018 155 / 0.04);
  --shadow-md: 0 6px 20px oklch(20% 0.018 155 / 0.06);
}