:root{
  /* The source artifacts are static print/deck material — no motion is specified by the brand.
     These are the house defaults for interactive work: short, linear-ish, no bounce, no scale-up. */
  --dur-fast:120ms; /* @kind other */
  --dur-base:200ms; /* @kind other */
  --dur-slow:320ms; /* @kind other */
  --ease-standard:cubic-bezier(0.4,0,0.2,1); /* @kind other */
  --ease-out:cubic-bezier(0,0,0.2,1); /* @kind other */
  --ease-in:cubic-bezier(0.4,0,1,1); /* @kind other */
  --transition-control:background-color var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard),border-color var(--dur-fast) var(--ease-standard); /* @kind other */

  /* Interaction colour steps: hover darkens one step down the primary ramp, press one more. */
  --state-hover-accent:var(--ac-atlantic-blue);
  --state-press-accent:var(--ac-deep-ocean-blue);
  --state-hover-tint:rgba(0,141,213,0.08);
  --state-press-tint:rgba(0,141,213,0.16);
  --state-disabled-opacity:0.4; /* @kind other */
}