/* ------------------ */
/*     BUBBLE HOME    */
/* ------------------ */

.ball {
  display: inline-block;
  opacity: 0.7;
  width: 100%;
  height: 100%;
  border-radius: 100%;
  position: relative;
  background: radial-gradient(
    circle at bottom,
    #81e8f6,
    #76deef 10%,
    #055194 80%,
    #062745 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.ball:before {
  content: "";
  position: absolute;
  top: 1%;
  left: 5%;
  width: 90%;
  height: 90%;
  border-radius: 100%;
  background: radial-gradient(circle at top, white, rgba(255, 255, 255, 0) 58%);
  -webkit-filter: blur(5px);
  filter: blur(5px);
  z-index: 2;
}
.ball:after {
  content: "";
  position: absolute;
  display: none;
  top: 5%;
  left: 10%;
  width: 80%;
  height: 80%;
  border-radius: 100%;
  -webkit-filter: blur(1px);
  filter: blur(1px);
  z-index: 2;
  -webkit-transform: rotateZ(-30deg);
  transform: rotateZ(-30deg);
}
.ball .shadow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle,
    rgba(0, 0, 0, 0.4),
    rgba(0, 0, 0, 0.1) 40%,
    rgba(0, 0, 0, 0) 50%
  );
  -webkit-transform: rotateX(90deg) translateZ(-160px);
  transform: rotateX(90deg) translateZ(-160px);
  z-index: 1;
}
.ball.plain {
  background: black;
}
.ball.plain:before,
.ball.plain:after {
  display: none;
}
.ball.bubble {
  background: radial-gradient(
    circle at 50% 55%,
    rgba(240, 245, 255, 0.1),
    rgba(240, 245, 255, 0.2) 40%,
    rgba(225, 238, 255, 0.3) 60%,
    rgba(255, 255, 255, 0.4)
  );
  -webkit-animation: bubble-anim 2s ease-out infinite;
  animation: bubble-anim 2s ease-out infinite;
  backdrop-filter: blur(10px);
}
.ball.bubble:before {
  -webkit-filter: blur(0);
  filter: blur(0);
  height: 80%;
  width: 40%;
  background: radial-gradient(
    circle at 130% 130%,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0) 46%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.8) 58%,
    rgba(255, 255, 255, 0) 60%,
    rgba(255, 255, 255, 0) 100%
  );
  -webkit-transform: translateX(131%) translateY(58%) rotateZ(168deg)
    rotateX(10deg);
  transform: translateX(131%) translateY(58%) rotateZ(168deg) rotateX(10deg);
}
.ball.bubble:after {
  display: block;
  background: radial-gradient(
    circle at 50% 80%,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0) 74%,
    white 80%,
    white 84%,
    rgba(255, 255, 255, 0) 100%
  );
}

.stage {
  width: 300px;
  height: 300px;
  display: inline-block;
  margin: 20px;
  -webkit-perspective: 1200px;
  -moz-perspective: 1200px;
  -ms-perspective: 1200px;
  -o-perspective: 1200px;
  perspective: 1200px;
  -webkit-perspective-origin: 50% 50%;
  -moz-perspective-origin: 50% 50%;
  -ms-perspective-origin: 50% 50%;
  -o-perspective-origin: 50% 50%;
  perspective-origin: 50% 50%;
}

@-webkit-keyframes bubble-anim {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }

  20% {
    -webkit-transform: scaleY(0.95) scaleX(1.05);
    transform: scaleY(0.95) scaleX(1.05);
  }

  48% {
    -webkit-transform: scaleY(1.1) scaleX(0.9);
    transform: scaleY(1.1) scaleX(0.9);
  }

  68% {
    -webkit-transform: scaleY(0.98) scaleX(1.02);
    transform: scaleY(0.98) scaleX(1.02);
  }

  80% {
    -webkit-transform: scaleY(1.02) scaleX(0.98);
    transform: scaleY(1.02) scaleX(0.98);
  }

  97%,
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes bubble-anim {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }

  20% {
    -webkit-transform: scaleY(0.95) scaleX(1.05);
    transform: scaleY(0.95) scaleX(1.05);
  }

  48% {
    -webkit-transform: scaleY(1.1) scaleX(0.9);
    transform: scaleY(1.1) scaleX(0.9);
  }

  68% {
    -webkit-transform: scaleY(0.98) scaleX(1.02);
    transform: scaleY(0.98) scaleX(1.02);
  }

  80% {
    -webkit-transform: scaleY(1.02) scaleX(0.98);
    transform: scaleY(1.02) scaleX(0.98);
  }

  97%,
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

/* --------------------- */
/*     PARTICLES HOME    */
/* --------------------- */

.circles {
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  height: 90%;
  overflow: hidden;
}

.circles li {
  -webkit-filter: blur(3px);
  -moz-filter: blur(3px);
  -o-filter: blur(3px);
  -ms-filter: blur(3px);
  filter: blur(3px);
  position: absolute;
  display: block;
  list-style: none;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 1);
  animation: animate 25s linear infinite;
  bottom: -150px;
}

.circles li:nth-child(1) {
  left: 25%;
  width: 10px;
  height: 10px;
  animation-delay: 0s;
}

.circles li:nth-child(2) {
  left: 10%;
  width: 20px;
  height: 20px;
  animation-delay: 2s;
  animation-duration: 12s;
}

.circles li:nth-child(3) {
  left: 70%;
  width: 20px;
  height: 20px;
  animation-delay: 4s;
}

.circles li:nth-child(4) {
  left: 40%;
  width: 10px;
  height: 10px;
  animation-delay: 0s;
  animation-duration: 18s;
}

.circles li:nth-child(5) {
  left: 65%;
  width: 20px;
  height: 20px;
  animation-delay: 0s;
}

.circles li:nth-child(6) {
  left: 75%;
  width: 10px;
  height: 10px;
  animation-delay: 3s;
}

.circles li:nth-child(7) {
  left: 35%;
  width: 20px;
  height: 20px;
  animation-delay: 7s;
}

.circles li:nth-child(8) {
  left: 50%;
  width: 25px;
  height: 25px;
  animation-delay: 15s;
  animation-duration: 45s;
}

.circles li:nth-child(9) {
  left: 20%;
  width: 15px;
  height: 15px;
  animation-delay: 2s;
  animation-duration: 35s;
}

.circles li:nth-child(10) {
  left: 85%;
  width: 10px;
  height: 10px;
  animation-delay: 0s;
  animation-duration: 11s;
}

@keyframes animate {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
    border-radius: 50%;
  }

  100% {
    transform: translateY(-1000px) rotate(720deg);
    opacity: 0;
    border-radius: 50%;
  }
}