:root{
  --radius-none:0;
  --radius-xs:4px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;  /* cards */
  --radius-xl:24px;  /* feature panels, media */
  --radius-2xl:32px;
  --radius-pill:999px; /* buttons, badges, pills */
  --radius-app-icon:22%; /* logo icon rounded-square, per Brand Guide icon set */

  --border-width-hairline:1px;
  --border-width-strong:1.5px;
  --icon-stroke:1.75px; /* functional icons: 1.5–2px stroke, olive or ink only */
  --icon-size-sm:16px;
  --icon-size-md:20px;
  --icon-size-lg:24px;

  --blur-veil:14px; /* sticky header veil only — transparency is used sparingly */
}