.image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9; /* Fixed 16:9 ratio - height adjusts exactly to width */
  background: #ffffff;
  border: 1px solid rgba(135, 206, 235, 0.12);
  border-radius: 8px;
  overflow: hidden;
  margin: 1rem auto;
  display: block;
  max-height: 50vh; /* Cap to prevent excessive height on wide screens */
}

.responsive-image {
  position: absolute;
  inset: 0; /* Full coverage */
  width: 100%;
  height: 100%;
  object-fit: contain; /* Image fits within 16:9 without distortion, rest filled by bg */
  background: inherit; /* Inherit fill from container */
}