* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #141414;
  font-family: "Neue Montreal";
}

img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
}

nav {
  position: fixed;
  width: 100%;
  padding: 2.5em;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3em;
}

.nav-item {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

.nav-item a {
  position: relative;
  top: 20px;
  text-decoration: none;
  color: #fff;
  opacity: 0.35;
}

.nav-item a#active {
  opacity: 1;
}

.hero {
  position: absolute;
  width: 95%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  color: #fff;
}

.icon,
.icon-2 {
  flex: 0.5;
  padding: 0 5em;
  font-size: 30px;
  opacity: 0.5;
}

.icon-2 {
  text-align: right;
}

.icon ion-icon,
.icon-2 ion-icon {
  transform: scale(0);
}

.title {
  flex: 2;
  text-align: center;
  font-size: 40px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

.title p {
  position: relative;
  top: 50px;
}

footer {
  position: absolute;
  bottom: 0;
  width: 100%;
}

.preview {
  position: absolute;
  bottom: 2em;
  right: 2em;
  display: flex;
  gap: 0.3em;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

.preview img {
  position: relative;
  top: 100px;
  width: 80px;
  height: 50px;
}

.slide-num {
  margin: 3em 0;
  text-align: center;
  color: #fff;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}

.slide-num p {
  position: relative;
  top: 30px;
}

.container {
  position: fixed;
  width: 100%;
  height: 100%;
  display: flex;
  gap: 1em;
}

.container .col {
  position: relative;
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1em;
}

.col .item {
  position: relative;
  flex: 1;
  width: 100%;
  background: gainsboro;
  overflow: hidden;
}

.c-1,
.c-3,
.c-5 {
  top: 100%;
}

.c-1 .item,
.c-3 .item,
.c-5 .item {
  top: 100%;
}

.c-2 .item,
.c-4 .item {
  top: -100%;
}

@media (max-width: 900px) {
  .slide-num {
    text-align: left;
    padding-left: 2em;
    margin-bottom: 2.5em;
  }

  .title {
    font-size: 30px;
  }

  .icon,
  .icon-2 {
    padding: 0 1em;
    font-size: 16px;
  }

  .preview img {
    width: 60px;
    height: 40px;
  }
}