/********************************************************************************
*                             BEM Methodology                                   *
*  [$] Block = block                                                            *
*  [$] Element = block__element                                                 *
*  [$] Modifier = block__element--modifier                                      *
*                                                                               *
*                          Contact Form Component                               *
*                                                                               *
*  [^]cf = Contact Form                                                         *                 
*                                                                               *
*  [@] Animation = Animation CSS                                                *
*  [#] Screen size: xs,sm,md,lg                                                 *
*                                                                               *
********************************************************************************/



.flip-card {
    border-radius: 0.5em;
    position: fixed;
    top: 1em;
    left: 1em;
    width: 5em;
    padding: 0.5em;
    border: 0.1em solid #fff;
    color: #333;
    text-align: center;
    cursor: pointer;
    z-index: 9;
  }
  .envelope {
    position: relative;
    display: block;
    width: 36em;
    height: 41em;
    margin: 0 auto;
  }
  .envelope.active .content {
    padding: 15em 2em 2em;
  }
  .envelope.active .paper.front,
  .envelope.active .paper.back {
    animation-duration: 1.5s;
    animation-direction: normal;
    animation-timing-function: ease-in-out;
    animation-fill-mode: forwards;
  }
  .envelope.active .paper.front {
    animation-name: envelope-front;
  }
  .envelope.active .paper.back {
    animation-name: envelope-back;
  }
  .envelope.active .paper.back:before {
    animation-duration: 0.5s;
    animation-direction: normal;
    animation-timing-function: ease-in-out;
    animation-fill-mode: forwards;
    animation-delay: 1.25s;
    animation-name: envelope-back-before;
  }
  .envelope.active .bottom-wrapper {
    transform: rotateX(180deg);
  }
  .envelope.active .bottom-wrapper:after {
    z-index: 0;
    opacity: 1;
  }
  .envelope .content {
    padding: 4.5em 3.5em 3.5em 3.5em;
    box-sizing: border-box;
    position: relative;
    z-index: 9;
    transition: all 0.5s ease-in-out;
    transition-delay: 1s;
    width: 36em;
  }
  .envelope .top-wrapper,
  .envelope .bottom-wrapper {
    box-sizing: border-box;
    background: #fffff7;
    color: #333;
  }
  .envelope .top-wrapper {
    padding: 2em 2em 0;
    border-top-left-radius: 0.5em;
    border-top-right-radius: 0.5em;
  }
  .envelope .bottom-wrapper {
    padding: 0 2em 2em 2em;
    border-bottom-left-radius: 0.5em;
    border-bottom-right-radius: 0.5em;
    transition: all 0.5s ease-in-out;
    transform-origin: top;
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
    margin-top: -1px;
  }
  .envelope .bottom-wrapper:after {
    position: absolute;
    content: '';
    display: block;
    opacity: 0;
    background: #ffffff;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
  }
  .envelope form label {
    display: block;
    padding-bottom: 0.3em;
    font-weight:normal;
  }
  .envelope form input,
  .envelope form textarea {
    width: 100%;
    box-shadow: 0;
    background: transparent;
    color: #333;
  }
  .envelope form input {
    border-width: 0 0 0.1em;
    border-color: #dedede;
    border-style: solid;
  }
  .envelope form textarea {
    border: 0.1em solid #dedede;
    border-radius: 0.25em;
  }
  .envelope form .submit-card {
    background: transparent;
    color: #F26522;
    text-align: center;
    padding: 0.5em;
    box-sizing: border-box;
    width: 30%;
    border: 0;
    box-shadow: none;
    cursor: pointer;
    margin: 0 auto;
    border: 1px solid #F26522;
    font-size:0.8em;
  }
  .envelope form .submit-card:hover {
    color: #ffffff;
    background-color:#F26522;
  }
  .envelope form .input {
    padding-bottom: 1em;
  }
  .envelope .paper {
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    border-bottom-left-radius: 0.5em;
    border-bottom-right-radius: 0.5em;
    overflow: hidden;
  }
  .envelope .paper.back {
    top: 0;
  }
  .envelope .paper.back:before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 18em 10em 18em;
    border-color: transparent transparent #DCDCDC transparent;
    transform-origin: bottom;
    transform-style: preserve-3d;
    z-index: 0;
  }
  .envelope .paper.back:after {
    content: '';
    display: block;
    background-color: #DCDCDC;
    width: 36em;
    height: 27em;
  }
  .envelope .paper.front {
    top: 10em;
    z-index: 0;
  }
  .envelope .paper.front:before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10em 18em 0 18em;
    border-color: transparent #E7E6E6;
  }
  .envelope .paper.front:after {
    content: '';
    display: block;
    width: 36em;
    height: 19em;
    background: #E7E6E6;
    margin-top: -1px;
  }
  .bottom-wrapper .submit {
      text-align:center;
  }
  
  /* [#] xs screen */
  
      @media (max-width: 767px) { 
          
          .flip-card {
            border-radius: 0.5em;
            position: fixed;
            top: 1em;
            left: 1em;
            width: 5em;
            padding: 0.5em;
            border: 0.1em solid #fff;
            color: #333;
            text-align: center;
            cursor: pointer;
            z-index: 9;
          }
          .envelope {
            position: relative;
            display: block;
            width: 24em;
            height: 16em;
            margin: 0 auto;
          }
          .envelope.active .content {
            padding: 15em 2em 2em;
          }
          .envelope.active .paper.front,
          .envelope.active .paper.back {
            animation-duration: 1.5s;
            animation-direction: normal;
            animation-timing-function: ease-in-out;
            animation-fill-mode: forwards;
          }
          .envelope.active .paper.front {
            animation-name: envelope-front;
          }
          .envelope.active .paper.back {
            animation-name: envelope-back;
          }
          .envelope.active .paper.back:before {
            animation-duration: 0.5s;
            animation-direction: normal;
            animation-timing-function: ease-in-out;
            animation-fill-mode: forwards;
            animation-delay: 1.25s;
            animation-name: envelope-back-before;
          }
          .envelope.active .bottom-wrapper {
            transform: rotateX(180deg);
          }
          .envelope.active .bottom-wrapper:after {
            z-index: 0;
            opacity: 1;
          }
          .envelope .content {
            padding: 2.5em 3.5em 3.5em 3.5em;
            box-sizing: border-box;
            position: relative;
            z-index: 9;
            transition: all 0.5s ease-in-out;
            transition-delay: 1s;
            width: 24em;
            float:left;
          }
          .envelope .top-wrapper,
          .envelope .bottom-wrapper {
            box-sizing: border-box;
            background: #fffff7;
            color: #333;
          }
          .envelope .top-wrapper {
            padding: 2em 2em 0;
            border-top-left-radius: 0.5em;
            border-top-right-radius: 0.5em;
          }
          .envelope .bottom-wrapper {
            padding: 0 2em 2em 2em;
            border-bottom-left-radius: 0.5em;
            border-bottom-right-radius: 0.5em;
            transition: all 0.5s ease-in-out;
            transform-origin: top;
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
            margin-top: -1px;
          }
          .envelope .bottom-wrapper:after {
            position: absolute;
            content: '';
            display: block;
            opacity: 0;
            background: #ffffff;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
          }
          .envelope form label {
            display: block;
            padding-bottom: 0.3em;
            font-weight:normal;
          }
          .envelope form input,
          .envelope form textarea {
            width: 100%;
            box-shadow: 0;
            background: transparent;
            color: #333;
          }
          .envelope form input {
            border-width: 0 0 0.1em;
            border-color: #dedede;
            border-style: solid;
          }
          .envelope form textarea {
            border: 0.1em solid #dedede;
            border-radius: 0.25em;
          }
          .envelope form .submit-card {
            background: #fff;
            color: #222;
            text-align: center;
            padding: 0.5em;
            box-sizing: border-box;
            width: 30%;
            border: 0;
            box-shadow: none;
            border-radius: 0.25em;
            cursor: pointer;
            margin: 0 auto;
            border: 1px solid #F26522;
          }
          .envelope form .input {
            padding-bottom: 1em;
          }
          .envelope .paper {
            position: absolute;
            display: block;
            top: 0;
            left: 0;
            border-bottom-left-radius: 0.5em;
            border-bottom-right-radius: 0.5em;
            overflow: hidden;
          }
          .envelope .paper.back {
            top: 0;
          }
          .envelope .paper.back:before {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 0 12em 10em 12em;
            border-color: transparent transparent #ECECEC transparent;
            transform-origin: bottom;
            transform-style: preserve-3d;
            z-index: 0;
          }
          .envelope .paper.back:after {
            content: '';
            display: block;
            background-color: #ECECEC;
            width: 24em;
            height: 16em;
          }
          .envelope .paper.front {
            top: 10em;
            z-index: 0;
          }
          .envelope .paper.front:before {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 7em 12em 0 12em;
            border-color: transparent #E7E6E6;
          }
          .envelope .paper.front:after {
            content: '';
            display: block;
            width: 24em;
            height: 14em;
            background: #E7E6E6;
            margin-top: -1px;
          }
  
      }
  
  
  
  
  /* [@] Animation ***************************************/
  
      @-moz-keyframes envelope-front {
        0 {
          top: 10em;
          z-index: 0;
        }
        50% {
          top: 15em;
          z-index: 9;
        }
        100% {
          top: 10em;
          z-index: 9;
        }
      }
      
      @-webkit-keyframes envelope-front {
        0 {
          top: 10em;
          z-index: 0;
        }
        50% {
          top: 15em;
          z-index: 9;
        }
        100% {
          top: 10em;
          z-index: 9;
        }
      }
      
      @-o-keyframes envelope-front {
        0 {
          top: 10em;
          z-index: 0;
        }
        50% {
          top: 15em;
          z-index: 9;
        }
        100% {
          top: 10em;
          z-index: 9;
        }
      }
      
      @keyframes envelope-front {
        0 {
          top: 10em;
          z-index: 0;
        }
        50% {
          top: 15em;
          z-index: 9;
        }
        100% {
          top: 10em;
          z-index: 9;
        }
      }
      
      @-moz-keyframes envelope-back {
        0 {
          top: 0;
        }
        50% {
          top: 5em;
        }
        100% {
          top: 0;
        }
      }
      
      @-webkit-keyframes envelope-back {
        0 {
          top: 0;
        }
        50% {
          top: 5em;
        }
        100% {
          top: 0;
        }
      }
      
      @-o-keyframes envelope-back {
        0 {
          top: 0;
        }
        50% {
          top: 5em;
        }
        100% {
          top: 0;
        }
      }
      
      @keyframes envelope-back {
        0 {
          top: 0;
        }
        50% {
          top: 5em;
        }
        100% {
          top: 0;
        }
      }
      
      @-moz-keyframes envelope-back-before {
        0 {
          border-color: transparent transparent #d3d3d3 transparent;
          transform: rotateX(0deg);
          z-index: 0;
        }
        100% {
          border-color: transparent transparent #ececec transparent;
          transform: rotateX(180deg);
          z-index: 99;
          position: relative;
        }
      }
      
      @-webkit-keyframes envelope-back-before {
        0 {
          border-color: transparent transparent #d3d3d3 transparent;
          transform: rotateX(0deg);
          z-index: 0;
        }
        100% {
          border-color: transparent transparent #ececec transparent;
          transform: rotateX(180deg);
          z-index: 99;
          position: relative;
        }
      }
      
      @-o-keyframes envelope-back-before {
        0 {
          border-color: transparent transparent #d3d3d3 transparent;
          transform: rotateX(0deg);
          z-index: 0;
        }
        100% {
          border-color: transparent transparent #ececec transparent;
          transform: rotateX(180deg);
          z-index: 99;
          position: relative;
        }
      }
      
      @keyframes envelope-back-before {
        0 {
          border-color: transparent transparent #d3d3d3 transparent;
          transform: rotateX(0deg);
          z-index: 0;
        }
        100% {
          border-color: transparent transparent #ececec transparent;
          transform: rotateX(180deg);
          z-index: 99;
          position: relative;
        }
      }