@import url("https://fonts.googleapis.com/css?family=Poppins:100,200,300,400,500,600,700,800,900");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
:root {
  --clr: #000;
}

.navigation {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 70px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}
.navigation ul {
  display: flex;
  width: 350px;
}
.navigation ul li {
  position: relative;
  list-style: none;
  width: 70px;
  height: 70px;
  z-index: 1;
  display: flex;
}
.navigation ul li a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 100%;
  text-align: center;
  font-weight: 500;
}
.navigation ul li a .icon {
  position: relative;
  display: block;
  line-height: 75px;
  font-size: 1.5em;
  text-align: center;
  transition: 0.5s;
  color: var(--clr);
}
.navigation ul li.active a ion-icon {
  transform: translateY(-32px);
  color: #fff;
}
.navigation ul li a .text {
  position: absolute;
  color: var(--clr);
  font-weight: 400;
  font-size: 0.75em;
  letter-spacing: 0.05em;
  transition: 0.5s;
  opacity: 0;
  transform: translateY(20px);
}
.navigation ul li.active a .text {
  opacity: 1;
  transform: translateY(10px);
}
.indicator {
  position: absolute;
  top: -50%;
  width: 70px;
  height: 70px;
  background: #7c3aed;
  border-radius: 50%;
  border: 6px solid #fff;
  transition: 0.5s;
}
.indicator::before {
  content: "";
  position: absolute;
  top: 65%;
  left: -22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-right-radius: 20px;
  box-shadow: 1px -10px 0 0 #fff;
}
.indicator::after {
  content: "";
  position: absolute;
  top: 65%;
  right: -22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-left-radius: 20px;
  box-shadow: -1px -10px 0 0 #fff;
}

/* Indicator Transitions */
.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));
}