#site-header {
  position: fixed;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100vw;
  color: #000;
  padding: 1rem;
  z-index: 1;
  -webkit-user-select: none;
  user-select: none;

  #site-header-bg {
    position: absolute;
    top: 0%;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #FFF;
    z-index: -1;
    transform: translateY(-111%);
    box-shadow: 0 0 0.5rem 0 rgba(0, 0, 0, 0.2);
    transition: all 100ms ease;
  }

  &.scrolled:not(.nav-active) #site-header-bg {
    transform: translateY(0%);
  }

  a {
    display: block;
    text-decoration: none;
    text-transform: lowercase;
    color: #000;
  }
}

#site-titles {
  #site-title {
    font-family: waax;
    font-weight: 400;
    font-size: 44px;
    margin: 0;
    line-height: 1em;
    white-space: nowrap;
    transition: all 100ms ease;

    a:hover {
      text-decoration: underline;
    }

    .scrolled & {
      font-size: 32px;
    }

    .nav-active & {
      opacity: 0;
    }
  }
  // #site-subtitle {
  //   font-size: 20px;
  //   max-width: 11em;
  //   font-weight: 400;
  //   margin: 0;
  // }
}

#nav {
  margin: 0;;
}

#nav-container {
  position: relative;

  input {
    position: absolute;
    top: -0.6rem;
    right: -0.5rem;
    width: 2rem;
    height: 2rem;
    margin: 0;
    cursor: pointer;
    opacity: 0; /* hide this */
    z-index: 2; /* and place it over the hamburger */
    -webkit-touch-callout: none;
  }

  .hamburger-bar {
    display: block;
    width: 14px;
    height: 2px;
    margin-bottom: 2px;
    position: relative;
    background: #000;
    border-radius: 2px;
    z-index: 1;
    transform-origin: 3px 0px;
    transition: all 100ms ease;

    &:first-child { transform-origin: 0% 0%; }
    &:nth-child(3) { transform-origin: 0% 100%; }
  }

  input:checked ~ .hamburger-bar {
    opacity: 1;
    transform: rotate(45deg) translate(3px,-1px);
  }

  input:checked ~ .hamburger-bar:nth-child(4) {
    opacity: 0;
    transform: rotate(0deg) scale(0.1, 0.1);
  }

  input:checked ~ .hamburger-bar:nth-child(3) {
    transform: rotate(-45deg) translate(-1px, 6px);
  }
}

#nav a {
  .nav-item-title {
    font-size: 1.25rem;
    line-height: 1.5rem;
    font-weight: 700;
  }

  &:hover .nav-item-title {
    text-decoration: underline;
  }

  .nav-item-subtitle {
    font-size: 1rem;
    line-height: 1rem;
    max-width: 280px;
    overflow: hidden;
    transition: max-width 200ms ease;

    .scrolled & {
      max-width: 1px;
      max-height: 1px;
      overflow: hidden;
    }
  }
}

// NARROW SCREEN
@media only screen and (max-width: 1200px) { 
  #nav-container {
    flex-direction: column;
    align-items: flex-end;
    margin: 1rem;

    input:checked ~ #nav {
      transform: translateX(-100%);
    }
  }

  #nav {
    position: absolute;
    width: 300px;
    right: -300px;
    top: 0;
    margin: -2.5rem;
    padding: 3.5rem 2.5rem 2.5rem;
    background: #eee;
    -webkit-font-smoothing: antialiased;
    /* to stop flickering of text in safari */
    transform-origin: 0% 0%;
    transform: translateX(0%);
    transition: transform 0.1s cubic-bezier(0.77,0.2,0.05,1.0);

    li {
      padding: 1rem 0;
    }
  }

}

// WIDE SCREEN
@media only screen and (min-width: 1201px) { 
  #nav-container {
    width: 100%;

    input {
      display: none;
    }

    .hamburger-bar {
      display: none;
    }
  }

  #nav {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: flex-end;

    ul {
      display: flex;
      padding: 0;
    }

    li {
      padding: 1rem 1.5rem 0;
      transition: all 100ms ease;

      .scrolled & {
        padding-top: 0.3rem;
      }
    }
  }
}