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

body {
  font-family: 'Sora', sans-serif;
  background-color: #E3F2FD;
  height: 100vh;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.title {
  font-size: 8rem;
  font-weight: bold;
  color: #0066ff;
  text-align: center;
  position: relative;
  z-index: 10;
  letter-spacing: 0.1em;
}

.cloud-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
}

.cloud {
  position: absolute;
  background: white;
  border-radius: 50px;
  opacity: 0.8;
  filter: blur(40px);
  animation: rise linear infinite;
}

.cloud:before,
.cloud:after {
  content: '';
  position: absolute;
  background: white;
  border-radius: 50px;
  filter: blur(40px);
}

.cloud1 {
  width: 200px;
  height: 80px;
  left: 10%;
  bottom: -100px;
  animation-duration: 30s;
  animation-delay: 0s;
}

.cloud1:before {
  width: 120px;
  height: 120px;
  top: -60px;
  left: 20px;
}

.cloud1:after {
  width: 150px;
  height: 100px;
  top: -50px;
  right: 20px;
}

.cloud2 {
  width: 250px;
  height: 100px;
  left: 30%;
  bottom: -120px;
  animation-duration: 35s;
  animation-delay: 5s;
}

.cloud2:before {
  width: 140px;
  height: 140px;
  top: -70px;
  left: 30px;
}

.cloud2:after {
  width: 160px;
  height: 120px;
  top: -60px;
  right: 30px;
}

.cloud3 {
  width: 180px;
  height: 70px;
  left: 50%;
  bottom: -90px;
  animation-duration: 40s;
  animation-delay: 10s;
}

.cloud3:before {
  width: 100px;
  height: 100px;
  top: -50px;
  left: 15px;
}

.cloud3:after {
  width: 130px;
  height: 90px;
  top: -45px;
  right: 15px;
}

.cloud4 {
  width: 220px;
  height: 90px;
  left: 70%;
  bottom: -110px;
  animation-duration: 32s;
  animation-delay: 15s;
}

.cloud4:before {
  width: 130px;
  height: 130px;
  top: -65px;
  left: 25px;
}

.cloud4:after {
  width: 150px;
  height: 110px;
  top: -55px;
  right: 25px;
}

.cloud5 {
  width: 190px;
  height: 75px;
  left: 85%;
  bottom: -95px;
  animation-duration: 38s;
  animation-delay: 20s;
}

.cloud5:before {
  width: 110px;
  height: 110px;
  top: -55px;
  left: 20px;
}

.cloud5:after {
  width: 140px;
  height: 95px;
  top: -48px;
  right: 20px;
}

@keyframes rise {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0.8;
  }
  50% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-120vh) translateX(20px);
    opacity: 0;
  }
}
