@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap");

:root {
  --clr: #222327;
}

.navigation {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-radius: 10px 10px 0 0;
}

.navigation ul {
  display: flex;
  width: 100%;
  justify-content: space-around;
}

.navigation ul li {
  list-style: none;
  width: 70px;
  height: 70px;
}

.navigation ul li .icon {
  display: block;
  font-size: 1.5em;
  text-align: center;
  transition: 0.5s;
  color: #333;
}

.navigation ul li .text {
  display: block;
  font-size: 0.75em;
  text-align: center;
  color: #333;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.navigation ul li.active .text {
  opacity: 1;
}

.indicator {
  position: absolute;
  top: -25px;
  width: 70px;
  height: 70px;
  background: #248248;
  border-radius: 50%;
  border: 6px solid #fff;
  transition: 0.5s;
}

.indicator::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-right-radius: 20px;
  box-shadow: 1px -10px 0 0 var(--clr);
}

.indicator::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-left-radius: 20px;
  box-shadow: -1px -10px 0 0 var(--clr);
}

.navigation ul li:nth-child(1).active ~ .indicator {
  transform: translateX(calc(70px * 0));
}

.navigation ul li:nth-child(2).active ~ .indicator {
  transform: translateX(calc(70px * 1));
}

.navigation ul li:nth-child(3).active ~ .indicator {
  transform: translateX(calc(70px * 2));
}

.navigation ul li:nth-child(4).active ~ .indicator {
  transform: translateX(calc(70px * 3));
}

.navigation ul li:nth-child(5).active ~ .indicator {
  transform: translateX(calc(70px * 4));
}