:root{
--radius-control:4px;   /* buttons, inputs */
--radius-card:8px;
--radius-media:16px;
--radius-arch:180px 180px 16px 16px;  /* organic portrait mask, arched top */
--radius-pill:999px;

--border-hairline:1px;

/* warm, very soft shadows only */
--shadow-xs:0 1px 2px rgba(46,42,38,0.04);
--shadow-sm:0 2px 8px rgba(46,42,38,0.05);
--shadow-md:0 8px 28px rgba(46,42,38,0.07);
--shadow-focus:0 0 0 3px rgba(110,112,87,0.28);
}