@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap");

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

/* start Bubble */
#container-bubble {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  top: 0;
  left: 0;
}

.bubble {
  position: absolute;
  background-color: white;
  z-index: 1;
  opacity: 0.2;
  border-radius: 50%;
  bottom: -100px;
  animation: move 0.5s infinite ease-in;
}

@keyframes move {
  0% {
    bottom: -100px;
  }

  100% {
    bottom: 1080px;
  }
}

.bubble:hover {
  animation: none;
  filter: blur(150px);
}

.bubble::after {
  content: "";
}
/* end Bubble */

/* btn started */
.btn-start {
  box-shadow: 0 7px rgb(17, 16, 16);
  opacity: 0.8;
  cursor: pointer;
}

.btn-start:hover {
  background-color: darkcyan;
  color: black !important ;
}

.btn-start:active {
  position: relative;
  top: 7px;
  box-shadow: none;
}

.checkbtn {
  display: none;
}

ul li a:hover {
  box-shadow: 0 5px black;
  animation: all 0.3s ease-in-out;
}

ul li a:active {
  position: relative;
  box-shadow: none;
  top: 7px;
  animation: all 0.3s ease-in-out;
}

footer .share_section .icon a:hover {
  transform: scale(1.2);
}

header a img:hover {
  transform: scale(1.2);
}

@media (max-width: 640px) {
  #check {
    display: none;
  }

  .checkbtn {
    display: block;
    font-size: 2rem;
  }

  header {
    display: flex;
    justify-content: space-between;
    margin-right: -30px;
    margin-bottom: 80px;
  }

  .text {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .btn-start {
    padding: 0.9rem 0.7rem;
  }

  ul li a:hover {
    box-shadow: none;
  }
}

/* Media Query min-width 600px Start */
@media (max-width: 768px) {
  #check {
    display: none;
  }

  .checkbtn {
    display: block;
    font-size: 2rem;
  }

  ul {
    position: fixed;
    width: auto;
    border-radius: 0 10px 10px 0;
    height: 25vh;
    top: 90px;
    left: -100%;
    text-align: center;
    transition: all 0.5s ease-in-out;
    /* glass */
    background: #0908535e;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.18);
  }

  ul li {
    line-height: 30px;
  }
  ul li a {
    display: block;
    margin-top: 2rem;
    font-size: 1.2rem;
  }

  ul li a:hover {
    box-shadow: none;
  }

  a:hover,
  a.active {
    background: none;
    color: #0082e6;
  }
  #check:checked ~ ul {
    left: 0;
  }

  .checkbtn:active {
    transform: rotate(90deg);
    color: teal;
  }
}