/* ==========================================================================
   SETTINGS · MOTION — restraint. Print does not animate; the screen edition
   may acknowledge an interaction, no more. Durations are short, easings calm.
   Every motion token is overridden to near-zero under prefers-reduced-motion.
   ========================================================================== */

:root {
  --duration-instant: 80ms;
  --duration-fast:    140ms;
  --duration-base:    220ms;
  --duration-slow:    360ms;

  --ease-standard: cubic-bezier(0.2, 0, 0.1, 1);   /* most state changes */
  --ease-entrance: cubic-bezier(0, 0, 0.2, 1);     /* things arriving */
  --ease-exit:     cubic-bezier(0.4, 0, 1, 1);     /* things leaving */

  /* A single reusable transition for interactive ink/surface shifts */
  --transition-ink: color var(--duration-fast) var(--ease-standard),
                    background-color var(--duration-fast) var(--ease-standard),
                    border-color var(--duration-fast) var(--ease-standard),
                    box-shadow var(--duration-fast) var(--ease-standard);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-instant: 0ms;
    --duration-fast:    0ms;
    --duration-base:    0ms;
    --duration-slow:    0ms;
  }
}