:root {
  /* Corner radii — soft but not pill-shaped; modules read as precise, not playful */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 999px;

  /* Shadows are near-absent by brand direction ("subtle borders" over glow/elevation).
     Cards lean on --border-subtle first; these are for the rare floating surface (menus, dialogs). */
  --shadow-sm: 0 1px 2px rgba(19, 34, 56, 0.06);
  --shadow-md: 0 4px 16px rgba(19, 34, 56, 0.08);
  --shadow-lg: 0 12px 32px rgba(19, 34, 56, 0.12);

  /* Motion — calm, functional, never bouncy. No glow/pulse per "Don't" guidance. */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration-base: 200ms; /* @kind other */
  --duration-slow: 320ms; /* @kind other */
}