/* Mobile sticky buy-box — slides up after hero scrolls past */
.sticky-buybox {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: var(--burgundy);
  color: var(--cream);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(120%);
  transition: transform 360ms var(--ease-out);
  z-index: 60;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.18);
}
.sticky-buybox[data-visible="true"] {
  transform: translateY(0);
}
@media (min-width: 768px) { .sticky-buybox { display: none; } }