/* NAVIGATION */

nav a {
  font-size: clamp(1.6rem, 8vw, 2.8rem);
  line-height: 1.4;
  transition: all .5s ease-in-out;
  margin-bottom: 1rem;
}

nav a:hover {
  color: var(--c-red);
  border-bottom: 1px solid var(--c-red);
}

nav a:hover li {
  border-bottom: 1px solid var(--c-red);
}

nav li {
    text-align: center;
    list-style-type: none;
    margin-bottom: 1.4rem;
}

@media (orientation: landscape) {
  nav li {
      margin-bottom: .8rem;
  }
}

header-container {
    position: fixed;
    z-index: 10;
    height: 32px;
    top: 0;
    padding: 1rem 1rem;
    background-color: var(--c-background);
    width: calc(100% - 2rem);
    overflow: hidden;
    transition: height .5s ease-in-out;
    border-bottom: 1px solid var(--c-black);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
}

nav {
    position: absolute;
    height: calc(100vh - 32px);
    width: calc(100vw - 4rem);
    display: flex;
    justify-content: center;
    align-items: center;
}

nav > ul {
  margin-top: -60px;
}

.main-nav-list {
    height: calc(100% - 54px - 20%);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* NAV-ICON */

#nav-icon {
    width: 24px;
    cursor: pointer;
}
  
span {
    display: block;
    width: 100%;
    border-radius: 1px;
    height: 3px;
    background: var(--c-black);
    transition: all .3s;
    position: relative;
  }
  
  span + span {
    margin-top: 6px;
  }
  
  .open span:nth-child(1) {
    animation: ease .7s top forwards;
  }
  
  .closed span:nth-child(1) {
    animation: ease .7s top-2 forwards;
  }
  
  .open span:nth-child(2) {
    animation: ease .7s scaled forwards;
  }
  
  .closed span:nth-child(2) {
    animation: ease .7s scaled-2 forwards;
  }
  
  .open span:nth-child(3) {
    animation: ease .7s bottom forwards;
  }
  
  .closed span:nth-child(3) {
    animation: ease .7s bottom-2 forwards;
  }
  
  @keyframes top {
    0% {
      top: 0;
      transform: rotate(0);
    }
    50% {
      top: 9px;
      transform: rotate(0);
    }
    100% {
      top: 9px;
      transform: rotate(45deg);
    }
  }
  
  @keyframes top-2 {
    0% {
      top: 9px;
      transform: rotate(45deg);
    }
    50% {
      top: 9px;
      transform: rotate(0deg);
    }
    100% {
      top: 0;
      transform: rotate(0deg);
    }
  }
  
  @keyframes bottom {
    0% {
      bottom: 0;
      transform: rotate(0);
    }
    50% {
      bottom: 9px;
      transform: rotate(0);
    }
    100% {
      bottom: 9px;
      transform: rotate(135deg);
    }
  }
  
  @keyframes bottom-2 {
    0% {
      bottom: 9px;
      transform: rotate(135deg);
    }
    50% {
      bottom: 9px;
      transform: rotate(0);
    }
    100% {
      bottom: 0;
      transform: rotate(0);
    }
  }
  
  @keyframes scaled {
    50% {
      transform: scale(0);
    }
    100% {
      transform: scale(0);
    }
  }
  
  @keyframes scaled-2 {
    0% {
      transform: scale(0);
    }
    50% {
      transform: scale(0);
    }
    100% {
      transform: scale(1);
    }
  }