:root{
--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;
--screen-pad:24px; /* mobile screen gutter */
--band-pad:24px; /* padding inside color bands */
--radius-0:0px; /* default: square. This brand is flat + square */
--radius-pill:999px; /* pills only for tiny status chips */
--hit-target:48px;
}