@media (max-width:991px) {
    body.poster {
        margin-top: 60vh;
    }
}

body.poster {
    background-attachment: fixed;
}

.top-5 {
    top: 5px;
}

.fixed-preorder-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1050; /* stays above other stuff */
  background: #a020f0;      /* purple */
  color: white;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: bold;
  text-decoration: none;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  transition: background 0.2s ease;
}
.fixed-preorder-btn:hover {
  background: #7b1fa2;
}

@media (max-width: 992px) { /* lg breakpoint */
  .fixed-preorder-btn {
    top: 80px; /* push it below navbar when collapsed */
  }
}