:root{
  --radius-xs:8px; --radius-sm:11px; --radius-md:14px; --radius-lg:16px; --radius-xl:18px; --radius-2xl:22px; --radius-pill:100px;
  --container:1200px; /* @kind spacing */
  --container-narrow:1100px; /* @kind spacing */
  --measure:62ch; /* @kind spacing */
  --section-y:clamp(56px,8vw,96px); /* @kind spacing */
  --section-x:clamp(20px,5vw,40px); /* @kind spacing */
  --gap-card:18px; --pad-card:26px;
  --btn-h:50px; --btn-h-sm:44px; --btn-px:26px;
  --ease-out:cubic-bezier(.22,.61,.36,1); /* @kind other */
  --dur-fast:.18s; /* @kind other */
  --dur-base:.25s; /* @kind other */
  --dur-rise:1s; /* @kind other */
}