:root{
  --s-1:4px;  --s-2:8px;  --s-3:12px; --s-4:14px;
  --s-5:20px; --s-6:26px; --s-7:32px; --s-8:44px;
  --s-9:56px; --s-10:72px; --s-11:100px;

  --gap-card:20px;         /* between cards in a grid */
  --pad-card:26px 28px;    /* inside a card */
  --pad-section:100px 72px;/* a manual / page section */
  --lockup-gap:.6em;       /* mark → wordmark, = 0.6 × mark width */
}