#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

/* Bubble container */
.bubble-loader {
  display: flex;
  gap: 12px;
}

/* Individual bubbles */
.bubble {
  width: 16px;
  height: 16px;
  background-color: #62748e;
  border-radius: 50%;
  animation: wave 1s infinite ease-in-out;
}

.bubble:nth-child(1) {
  animation-delay: 0s;
}

.bubble:nth-child(2) {
  animation-delay: 0.1s;
}

.bubble:nth-child(3) {
  animation-delay: 0.2s;
}

.bubble:nth-child(4) {
  animation-delay: 0.3s;
}

.bubble:nth-child(5) {
  animation-delay: 0.4s;
}

/* Wave animation */
@keyframes wave {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }

  50% {
    transform: translateY(-15px);
    opacity: 1;
  }
}

/* Demo content */
.content {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-family: "Segoe UI", sans-serif;
}