[data-popup] {
  position: fixed;
  bottom: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.8s ease;
  display: block;
  max-width: 100%;
  max-height: 97vh;
}
[data-popup].show {
  bottom: 50%;
  transform: translate(-50%, 50%);
  opacity: 1;
  visibility: visible;
}
[data-popup] img {
  width: min(95vw, 400px);
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  margin: 0 auto;
  max-width: 100%;
}
[data-popup] [data-close] {
  position: absolute;
  top: -10px;
  right: -10px;
  background: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}
[data-popup] [data-close]:hover {
  transform: scale(1.1);
}
@media (max-width: 480px) {
  [data-popup] img {
    width: 85vw;
    max-width: 300px;
  }
  [data-popup].show {
    bottom: 45%;
  }
}