/* navigation */

.nav {
  display: flex;
  position: fixed;
  padding: 3px;
  bottom: 20px;
  width: 90%;
  background-color: rgba(185, 0, 252, 0.096);
  left: 50%;
  transform: translateX(-50%);
  justify-content: space-around;
  border: 1px solid #ffffff2c;
  border-radius: 50px;
  z-index: 100;
  height: 60px;
  box-sizing: content-box;
  gap: 5px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-btn {
  width: 25%;
  display: flex;
  border: 1px solid #ffffff2c;
  background: none;
  border-radius: 50px;
  cursor: pointer;
  padding: 23px;
  align-items: center;
  justify-content: center;
}

.nav-btn.active {
  background: none;
}

.nav-slider {
  position: absolute;
  height: calc(100% - 6px);
  width: calc(25% - 5px);
  background: #b637bc;
  border-radius: 50px;
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  left: 3px;
  top: 3px;
}

.nav-icon {
  filter: brightness(0) invert(1);
  width: 24px;
  height: 24px;
}