/* ReferralBooster — Shape, elevation & motion tokens
 * Buttons 5px (to pill). Cards 12px + soft shadow. Subtle, quick motion.
 */
:root {
  /* ---- Radius ---------------------------------------------------------- */
  --radius-sm: 4px;
  --radius-button: 5px;     /* brand button radius */
  --radius-md: 8px;
  --radius-card: 12px;      /* brand card radius */
  --radius-lg: 16px;
  --radius-pill: 999px;     /* pills, category chips */

  /* ---- Elevation ------------------------------------------------------- */
  --shadow-sm: 0 1px 3px rgba(20, 30, 50, 0.08);
  --shadow-card: 0 5px 16px rgba(20, 30, 50, 0.12);   /* brand card shadow */
  --shadow-card-hover: 0 12px 28px rgba(20, 30, 50, 0.16);
  --shadow-lg: 0 20px 48px rgba(20, 30, 50, 0.18);
  --shadow-cta: 0 8px 20px rgba(255, 92, 38, 0.30);   /* coral CTA glow */

  /* ---- Borders --------------------------------------------------------- */
  --border-width: 1px;
  --border-width-strong: 2px;

  /* ---- Motion ---------------------------------------------------------- */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration-base: 180ms; /* @kind other */
  --duration-slow: 320ms; /* @kind other */
  --transition-base: all var(--duration-base) var(--ease-standard);
}