/* ── Micro-Interactions ─────────────────────────────────── */

/* Button ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  pointer-events: none;
  transform: scale(0);
  animation: ripple-expand 0.55s ease-out forwards;
}

@keyframes ripple-expand {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}