:root{
--radius-xs:4px;
--radius-sm:8px;
--radius-md:12px;
--radius-lg:16px;
--radius-xl:24px;
--radius-2xl:32px;
--radius-pill:999px;
--radius-control:10px;   /* inputs, selects */
--radius-card:16px;      /* vehicle + content cards */
--radius-panel:20px;     /* booking panel, dialogs */
--border-w:1px;
--border-w-strong:2px;
--focus-ring:0 0 0 3px rgba(42,91,240,.28);
--focus-ring-on-deep:0 0 0 3px rgba(255,198,26,.42);
}