body {
  margin: 0;
  font-family: 'Georgia', serif;
  color: white;
  overflow-x: hidden;
  background: url('assets/multiverse.jpg') no-repeat center top;
  background-size: cover;
  background-attachment: fixed;
}
.banner {
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
  margin-top: 0;
}
.banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.nav-bar {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  z-index: 10;
}
.nav-bar a {
  color: white;
  font-size: 1.4rem;
  margin: 0 20px;
  text-decoration: none;
}
.multiverse-container {
  position: relative;
  width: 100%;
  height: 100vh;
}
.quote-overlay {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-size: 2.2rem;
  color: turquoise;
  text-shadow: -1px -1px 0 #000, 1px -1px 0 #000,
               -1px 1px 0 #000, 1px 1px 0 #000;
  max-width: 90%;
  z-index: 5;
}
.quote-overlay .author {
  display: block;
  font-size: 1.2rem;
  font-style: italic;
  margin-top: 0.5rem;
  color: turquoise;
}
.bubble-link {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  z-index: 4;
  transition: 0.4s ease-in-out;
}
.bubble-link.glow {
  background: rgba(255,255,255,0.03);
  border: 2px solid rgba(255,255,255,0.3);
}
.bubble-link.glow:hover {
  box-shadow: 0 0 12px 6px rgba(0,255,255,0.6);
}
.bubble-link.black:hover {
  background: black;
  border: 2px solid white;
}
.bubble-link.symbol1:hover {
  background: url('assets/symbol2.jpg');
  background-size: cover;
}
.bubble-link.symbol2:hover {
  background: url('assets/symbol3.jpg');
  background-size: cover;
}
.bubble-link.symbol3:hover {
  background: url('assets/symbol4.jpg');
  background-size: cover;
}


/* Prevent text selection and cursor change on quote */
.quote-overlay {
  user-select: none;
  pointer-events: none;
}

/* Add a smooth transition between banner and background */
.transition-overlay {
  position: relative;
  height: 100px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(255, 255, 255, 0.8));
  margin-top: -5px;
  z-index: 2;
}

.star-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 512px;
  pointer-events: none;
  z-index: 3;
}

.star {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  pointer-events: auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.star:hover {
  box-shadow: 0 0 8px 6px rgba(255, 255, 255, 0.5);
  transform: scale(1.4);
}

.animated-star {
  animation: twinkle 3s infinite ease-in-out;
}

@keyframes twinkle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}