* {
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat';
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.nav {
  position: fixed;
  z-index: 1;
  top: 50px;
  height: 92%;
  overflow-y: auto;
  left: 0;
  width: 25%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.nav__list {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-flow: column wrap;
  -ms-flex-flow: column wrap;
  flex-flow: column wrap;
  height: 85vh;
  -webkit-transform: translate(0, -100%);
  transform: translate(0, -100%);
  -webkit-transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav__list--active {
  -webkit-transform: translate(0, 0);
  transform: translate(0, 0);
}

.nav__item {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  position: relative;
}

.nav__link {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  text-decoration: none;
  font-size: 24px;
  background: #2b3033;
  -webkit-transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav__link:hover {
  background: #272b2e;
}

@media (max-width: 640px) {
 
}

.panel {
  min-height: 100vh;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  overflow: hidden;
}

.panel__wrapper {
  padding: 7vh 7vw;
  -webkit-perspective: 1000px;
  perspective: 1000px;
}

.panel__content {
  /*opacity: 0;*/
  /*will-change: transform;*/
  /*-webkit-transform: scale(0.7) rotateX(-230deg);*/
  /*transform: scale(0.7) rotateX(-230deg);*/
  /*-webkit-transform-origin: center 80%;*/
  /*transform-origin: center 80%;*/
  /*-webkit-transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);*/
  /*transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);*/
}

/*.panel__content--active {*/
  /*-webkit-transform: none;*/
  /*transform: none;*/
  /*opacity: 1;*/
/*}*/

.panel__headline {
  font-weight: 700;
  opacity: 0.8;
  font-size: 48px;
  margin: 0 0 25px 0;
}

.panel p {
  margin: 0 0 25px 0;
  color: #1a1a1a;
  font-size: 24px;
  max-width: 800px;
}

.panel p:last-child {
  margin-bottom: 0;
}

.panel__block {
  height: 3px;
  background: rgba(0, 0, 0, 0.2);
  margin: 0 0 25px 0;
}

@media (max-width: 640px) {
  
}

.c-blue {
  color: #5fc7ea;
}

.c-red {
  color: #e68568;
}

.c-green {
  color: #68e6ac;
}

.c-yellow {
  color: #e6d068;
}

.b-blue {
  background: #5fc7ea;
}

.b-red {
  background: #e68568;
}

.b-green {
  background: #68e6ac;
}

.b-yellow {
  background: #e6d068;
}

.logo {
  position: fixed;
  bottom: 3vh;
  right: 3vw;
  z-index: 2;
}

.logo img {
  width: 65px;
  -webkit-transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  -webkit-transform: rotate(0);
  transform: rotate(0);
}

.logo img:hover {
  -webkit-transform: rotate(180deg) scale(1.1);
  transform: rotate(180deg) scale(1.1);
}