$c_1: #D61818;
$c_2: #F2E9E4;
$c_3: #FFF4D5;
$c_4: #C9C6A5;
$c_5: #F5E9DA;

$c_blob: darken($c_2,2%);
$c_blob2:  darken($c_blob,2%);
$speed: 0.3s;
$blob-speed: $speed*2;
$stripe-width: 0.2em;
$min-width: 20em; 
$min-size: 22.5em; 

*, *:before, *:after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0); 
-webkit-tap-highlight-color: transparent;  // i.e. Nexus5/
}

html {
  height: 100%;
  font-size: 16px;
}
body {
  min-height: 100%;
  font-family: 'Roboto', sans-serif;
  font-weight: 200;
  background-color: $c_1;
  color: $c_3;
  min-width: $min-width;
  margin: 0;
  padding: 0; 
  overflow-x: hidden;
  font-weight: 200;
      -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
article {
  overflow: hidden;
  margin: 2em 0;
  //min-height: 100vh;
}
h2 {
  font-weight: 200;
  font-size: 1.4em;
  line-height: 1.2;
}
.sidebar {
  width: 0; 
  position: fixed;
  z-index: 6;

  top: 0;
  right: 100%;
  bottom: 0;
  user-select: none;
  
  &, * {
    backface-visibility: hidden;
  }
  
  .menu {
    position: absolute;
    left: 0;
    top:0;
    right: 0;
    bottom: 0;
    padding-right: 2.4em;
    transition: transform $speed ease-in-out;
    transition-delay: $speed*3;
    //background: $c_1;
    transform: translate3d(2.4em,0,0);
    
    .morpher {
      position: absolute;
      overflow: hidden;
      right: 0.2em;
      top: 1em + 0.04em/$stripe-width - $stripe-width;
      height: 0;
      padding-top: $stripe-width;
      background: $c_2;
      pointer-events: none;
      width: 2em;
      transition-property: 
        transform, 
        top, 
        height, 
        width;
      transition-delay: 
        $speed*2, 
        0s, 
        0s, 
        $speed*2; 
      transition-duration: $speed;
    }

    &.open {
      transform: translate3d(14em,0,0);
      transition-delay: 0s;
      @media only screen and (max-width: $min-size) {
        transform: translate3d($min-width,0,0);


      }

        .morpher {
          pointer-events: all;
          top: 0;
          transform: translatex(-2em);
          width: 12em;
          height: 100%;
          transition-delay: 
            $speed, 
            $speed*3, 
            $speed*3, 
            $speed;
                
          @media only screen and (max-width: $min-size) {
            width: $min-width - 2.2;
  
          }
        }
        .button span:nth-child(1) {
          transform: rotate(45deg);
        }

        .button span:nth-child(2) {
          transform: rotate(-45deg);
        }  
        .button span {
          transition-delay: $speed*2;
        }
    }
    
    .button {
      display: block;
      position: absolute; 
      top: 0;
      right: 0;
      height: 2.6em;
      width: 2.4em;
      cursor: pointer;
      
      span {
        display: block;
        background: $c_2;
        height: $stripe-width;
        position: absolute;
        left: 0.2em;
        right: 0.2em;
        top: 50%;
        margin-top: $stripe-width/-2;
        pointer-events: none;
        transition: transform $speed ease-in;
        transition-delay: $speed;
        &:nth-child(1) {
          transform: translatey(-0.5 - $stripe-width);
        }

        &:nth-child(2) {
          transform: translatey(0.5 - $stripe-width);
        }

      }
    }
    
    ul, li {
      display: block;
      list-style: none;
      margin: 0;
      padding: 0;

    }
    li:last-child {
      //border-bottom: 1px solid lighten($c_2,5%);

    }
    .item {
      position: relative;
      overflow: hidden;
      transition: transform $speed ease-in-out;
    }
    a {
      display: block;
      color: $c_1;
      padding: 0.5em 1em;
      text-decoration: none;
      //border-top: 1px solid lighten($c_2,5%);
      //border-bottom: 1px solid darken($c_2,5%);
      
      span {
        position: relative;
        z-index: 3;
        pointer-events: none;
      }
      
      &:hover {
        blob {
          transition-duration: 0;
          transition-delay: 0;
        }
        blob.scale {
         box-shadow: 0 0 1em 8em rgba(darken($c_blob, 2%), 0.7) inset; 
         transition-duration: $blob-speed, 0;
         transition-delay: $speed/2;
         transform: scale(1);
        }
      }
    }
  }
}

.page {
  display: block;
  margin: 3em 2.4em 2.4em;
  padding-right: 11.6em;
  line-height: 1.2em;
  max-width: 70em;
  overflow: visible;
  backface-visibility: hidden;
  transition: transform $speed ease-in-out;
  transition-delay: $speed*3; 
  @media only screen and (max-width: $min-width*2) {
    padding-right: 0;
  }
  &.open {
    transition-delay: 0;
    transform: translate3d(11.6em,0,0);
    @media only screen and (max-width: $min-size) {
      transform: translate3d($min-width - 2.4,0,0);
       padding-right: 0;
   }

  }
  
  .avatar {
      display: block;
      width: 100%;
      max-width: 9em;
      float: left;
      margin: 0 1.2em 0 0;
      border-radius: 100%;
      overflow: hidden;
      line-height: 0;
      shape-outside: circle(50%);
      @media only screen and (max-width: $min-size) {
        shape-outside: initial;
        float: none;
        width: 100%;
        max-width: 100%;
      }
    figure {
      margin: 0;
      padding: 0;
      background-color: $c_2;

    }
    img {
      width: 100%;
      display: block;
      height: auto;
      border-radisu: inherit;
    }
  }
}

blob {
  $bs: 25em;
  display: block;
  position: absolute;
  z-index: 0;
  height: $bs;
  width: $bs; 
  margin: $bs/-2;
  background: rgba($c_blob, 0.5); 
  box-shadow: 0 0 0 20em rgba(darken($c_blob, 2%), 0.5) inset; 
  pointer-events: none;
  border-radius: 100%;
  transform: scale(0);
  transition: all $blob-speed cubic-bezier(1,0.22,0.5,0.75);
  transition-property: transform, box-shadow;
  
  &.scale {

  }
  &.blob2.scale {
    background: rgba($c_blob2,1);
    box-shadow: 0 0 1em 8em rgba(darken($c_blob, 2%), 0.7) inset; 
    z-index: 1;
    transition-duration: $blob-speed;
    transition-delay: 0;
    transform: scale(1);
  }
  
  @media only screen and (max-width: $min-size) {
    $bs: 43em;
    z-index: 0;
    height: $bs;
    width: $bs; 
    margin: $bs/-2;
  }
}

.header {
  position: fixed;
  z-index: 5;
  top: 0;
  left: 0;
  right: 0;
  background: rgba($c_1,0.9);
  height: 2.4em;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}