.cart-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 58px;
  height: 58px;
  border: none;
  border-radius: 50%;
  background: var(--accent, #D6532B);
  color: #fff;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  box-shadow: 0 8px 28px rgba(214, 83, 43, 0.45), 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cart-fab.visible {
  display: flex;
  animation: cartFabIn 0.35s ease;
}
@keyframes cartFabIn {
  from { transform: scale(0.6); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.cart-fab:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 12px 32px rgba(214, 83, 43, 0.5), 0 4px 12px rgba(0, 0, 0, 0.14);
}
.cart-fab svg { width: 26px; height: 26px; }
.cart-fab-count {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--ink, #141414);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 22px;
  text-align: center;
  border: 2px solid #fff;
}
@media (max-width: 880px) {
  .cart-fab { right: 18px; bottom: 18px; width: 54px; height: 54px; }
}