* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  font-family: system-ui, sans-serif;
}

video.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

h1 {
  font-size: 2em;
  text-align: center;
  color: cornflowerblue;
}

#viewport {
  perspective: 1000px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: fixed;
  top: 0;
  left: 0;
}

#world {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%);
}

/* Full background image */
.lbc {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

/* Centered text overlay */
.overlay-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  font-weight: bold;
  color: white;
  text-shadow: 0 0 10px rgba(0,0,0,0.7);
  text-align: center;
}

.cloud {
  position: absolute;
  transform-style: preserve-3d;
  transition: opacity 0.4s ease;
}

.cloud img {
  position: absolute;
  width: 256px;
  height: 256px;
  opacity: 0.8;
  user-select: none;
  pointer-events: none;
}

/* === 3D media panels behind the clouds === */
.media-container {
  position: absolute;
  transform-style: preserve-3d;
  transition: transform 0.5s ease, opacity 0.1s ease;
  opacity: 0;
  scale: 1.2;
}

.media-container.focused {
  opacity: 1;
  scale: 1;
}

.media-container video,
.media-container img {
  width: 480px;
  border-radius: 4px;
  pointer-events: none;
  display: block;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

.media-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 1.5em;
  font-weight: bold;
  text-align: center;
  text-shadow: 0 0 10px black;
  pointer-events: none;
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.25rem 1rem;
  border-radius: 4px;
}

/* === Responsive Media Queries === */

/* ≤1440px - Medium desktops/laptops */
@media (max-width: 1440px) {
  .media-container video,
  .media-container img {
    width: 420px;
  }
  .media-overlay {
    font-size: 1.4em;
  }
}

/* ≤1024px - Tablets/small laptops */
@media (max-width: 1024px) {
  .media-container video,
  .media-container img {
    width: 360px;
  }
  .media-overlay {
    font-size: 1.3em;
  }
}

/* ≤768px - Portrait tablets and large phones */
@media (max-width: 768px) {
  .media-container video,
  .media-container img {
    width: 300px;
  }
  .media-overlay {
    font-size: 1.2em;
    padding: 0.2rem 0.8rem;
  }
}

/* ≤480px - Phones */
@media (max-width: 480px) {
  .media-container video,
  .media-container img {
    width: 240px;
  }
  .media-overlay {
    font-size: 1em;
    padding: 0.2rem 0.6rem;
  }
}