@import url('https://fonts.googleapis.com/css?family=Lato');

/* default */
*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* body */

/* .flip-card-container */
#contact .flip-card-container {

  width: 700px;
  height: 395px;
  margin: 40px auto;
  perspective: 1000px;
    position: relative;
    top: 160px;
}

/* .flip-card */
#contact .flip-card {
  width: inherit;
  height: inherit;

  position: relative;
  transform-style: preserve-3d;
  transition: .6s .1s;
}

/* hover and focus-within states */
.flip-card-container:hover .flip-card,
.flip-card-container:focus-within .flip-card {
  transform: rotateY(180deg);
}

/* .card-... */
#contact .card-front,
#contact .card-back {
  width: 100%;
  height: 100%;
  border-radius: 24px;

  background: var(--dark);
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;

  backface-visibility: hidden;

  display: flex;
  justify-content: center;
  align-items: center;
}

/* .card-front */
#contact .card-front {
  transform: rotateY(0deg);
  z-index: 2;
}

/* .card-back */
#contact .card-back {
  transform: rotateY(180deg);
  z-index: 1;
}

/* figure */
#contact figure {
  z-index: -1;
}

/* figure, .img-bg */
#contact figure,
#contact .img-bg {
  position: absolute;
  top: 0px;
  left: 0px;

  width: 100%;
  height: 100%;
}


.card-back .img-bg {
  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 60%);
}

/* hover state */
.flip-card-container:hover .card-front .img-bg::before {
  width: 6px;
  border-left-color: var(--primary);
  border-right-color: var(--primary);
}

/* ul */
ul {
  padding-top: 50%;
  margin: 0 auto;
  width: 100px;
  height: 500px;

  list-style: none;
  color: var(--white-1);

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

/* li */
li {
  width: 100%;
  margin-top: 12px;
  padding-bottom: 12px;

  font-size: 14px;
  text-align: center;

  position: relative;
}

li:nth-child(2n) {
  color: var(--white-2);
}

li:not(:last-child)::after {
  content: "";

  position: absolute;
  bottom: 0;
  left: 0;

  width: 100%;
  height: 1px;
  opacity: .2;
}

/* button */
button {
  font-family: inherit;
  font-weight: bold;
  color: var(--white-1);

  letter-spacing: 2px;

  padding: 9px 20px;
  border: 1px solid var(--grey);
  border-radius: 1000px;
  background: transparent;
  transition: .3s;

  cursor: pointer;
}

button:hover,
button:focus {
  color: var(--primary);
  background: hsla(var(--hue), 25%, 10%, .2);
  border-color: currentColor;
}

button:active {
  transform: translate(2px);
}

/* .design-container */
.design-container {
  --tr: 90;
  --op: .5;

  width: 100%;
  height: 100%;

  background: transparent;
  position: absolute;
  top: 0;
  left: 0;

  pointer-events: none;
}

/* .design */
.design {
  display: block;

  background: var(--grey);
  position: absolute;

  opacity: var(--op);
  transition: .3s;
}



@media screen and (max-width:500px) {
    #contact .flip-card-container{width: 400px;height: 226px;}
    #contact .card-front img{width: 400px;}
    #contact .card-back img{width: 400px;}
}