:root{
/* 8px base */
--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:48px;--space-6:56px;
--pad-section-y:48px;--pad-section-x:56px;--pad-section-x-narrow:28px;--measure:920px;
/* radius: nothing sharp leaves this system */
--radius-img:10px;--radius-btn:12px;--radius-card:14px;--radius-band:16px;--radius-pill:20px;
/* one soft warm shadow, like late light */
--shadow-card:0 2px 10px rgba(42,39,35,0.07);
--hairline:1px solid var(--line);
}