:root{
/* soft, warm-tinted, low-contrast — never hard black drop shadows */
--shadow-xs:0 1px 2px rgba(34,34,31,.06);
--shadow-sm:0 2px 6px rgba(34,34,31,.07);
--shadow-md:0 6px 18px rgba(34,34,31,.09);
--shadow-lg:0 14px 34px rgba(34,34,31,.11);
--shadow-xl:0 24px 60px rgba(34,34,31,.14);
--shadow-brand:0 10px 26px rgba(108,157,48,.26);
--shadow-sky:0 10px 26px rgba(63,191,238,.28);
--shadow-inset:inset 0 1px 2px rgba(34,34,31,.07);
--shadow-focus:var(--focus-ring);
}