* { box-sizing: border-box; }

@font-face{
  font-family: Walsheim;
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url('GT-Walsheim-Regular-8fe6fc9a408728da601a519f7a554d20.ttf') format("truetype");
}

body {
  margin: 0;
  background: #fafafa;
  font-family: Walsheim, "Helvetica Neue", "Segoe UI", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ==================================== */
/* ELEMENTS */

h1 {
  font-weight: 500;
  font-size: 2em;
  line-height: 1.2em;
}

h1 strong {
  display: block;
  font-weight: 500;
}

h1 span { color: #FD8235; }

p {
  font-weight: 300;
  font-size: 1em;
  line-height: 1.4em;
  max-width: 400px;
  color: #706E70;
  margin-bottom: 32px;
}

.btn {
  display: block;
  width: fit-content;
  width: -moz-fit-content;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  background: white;
  color: #FD8235;
  border-radius: 50px;
  padding: 12px 40px 8px 12px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin: 0 16px 16px 0;
  white-space: nowrap;
  transition: ease-in-out 200ms;
  transition-property: box-shadow, transform;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn:focus {
  box-shadow: 0 0 0 2px #FD8235, 0 4px 8px rgba(0,0,0,0.2);
  outline: none;
}

.btn:before {
  content: '';
  width: 40px;
  height: 40px;
  display: inline-block;
  vertical-align: middle;
  position: relative;
  top: -3px;
  margin-right: 6px;
  background: url('images/icon_mix.svg');
}

.btn[engine] {
  background: white;
  color: #3F86EA;
}
.btn:before {
  background-position: center;
  background-repeat: no-repeat;
  background-size: 133.3%;
}

.btn[engine='opera']:before {
  background-image: url('images/icon_opera.svg');
}
.btn[engine='chrome']:before {
  background-image: url('images/icon_chrome.svg');
}
.btn[engine='firefox']:before {
  background-image: url('images/icon_firefox.svg');
}
.btn[engine='edge']:before {
  background-image: url('images/icon_edge.svg');
}
.btn[engine='edgeblink']:before {
  background-image: url('images/icon_edgeblink.svg');
  background-size: 100%;
}
.btn[engine='mobileApple']:before {
  background-image: url('images/icon_apple.svg');
}
.btn[engine='mobileAndroid']:before {
  background-image: url('images/icon_google_play.svg');
}

.btn[engine^=mobileApple],
.btn[engine^=mobileAndroid] {
  background: black;
  color: white;
}

/* ==================================== */
/* STRUCTURE */

.stumble {
  overflow: hidden;
}

.section {
  display: flex;
  justify-content: center;
  align-items: center;
}

.section--text {
  padding: 10vw;
}

.section--image {
  padding: 10vw 0;
  background: #faf4f0;
}

/* ==================================== */
/* EXTENSION PREVIEW IMAGE */

.extension-preview {
  display: inline-block;
  position: relative;
  transform: scale(0.5);
  margin: -15% 0;
}

.extension-preview .extension {
  z-index: 2;
  position: absolute;
  top: 120px;
  left: 390px;
}

.extension-preview .next {
  z-index: 2;
  position: absolute;
  top: 140px;
  left: 606px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  transition: none;
}
.extension-preview .next--animate {
  background-position-x: 48px;
  transition: background-position-x 0.2s 0.3s ease-out;
}

.extension-preview .cursor {
  z-index: 2;
  position: absolute;
  top: 170px;
  left: 620px;
}

.extension-preview .cursor--click {
  animation: click 0.3s ease-in-out;
}

@keyframes click {
  0% { transform: scale(1); }
  50% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.extension-preview .slides {
  position: absolute;
  z-index: 1;
  top: 103px;
  left: 136px;
  width: 552px;
  height: 368px;
  overflow: hidden;
  border-radius: 0 0 12px 12px;
}

.extension-preview .slides img {
  line-height: 0;
  display: block;
  width: 552px;
  height: 368px;
  object-fit: cover;
}

.extension-preview .slide {
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  transition: transform ease-in-out 0.5s;
  transform: translateX(100%);
}

.extension-preview .slide--current {
  transform: translateX(0);
  z-index: 2;
}

.extension-preview .slide--previous {
  z-index: 1;
  transform: translateX(-50%);
}

.extension-preview .slide .headline {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  box-sizing: border-box;
  color: white;
  font-size: 24px;
  text-shadow: 0 4px 8px #000;
  padding: 3em 1em 1em;
  background: linear-gradient(0deg, black, transparent);
}


/* ==================================== */
/* RESPONSIVE */

@media (min-width: 768px) {

  .stumble {
    display: flex;
    min-height: 100vh;
  }

  .section--text {
    padding: 40px;
    width: 70vw;
  }

  .section--image {
    padding: 0;
    width: 30vw;
  }

  .extension-preview {
    margin: 0;
    position: absolute;
    top: 10vh;
    right: 3vw;
    transform-origin: right top;
  }
}

@media (min-width: 1024px) {
  .section--text {
    width: 50vw;
    justify-content: flex-end;
  }
  .section--image {
    width: 50vw;
    justify-content: flex-start;
    position: relative;
  }
  .extension-preview {
    position: static;
    transform-origin: left center;
    transform: scale(0.65);
  }
}

@media (min-width: 1280px) {
  body {
    font-size: 24px;
  }
  .section--text {
    padding: 80px;
    padding-bottom: 30vh;
  }
  .section--image {
    padding-bottom: 20vh;
  }
  .extension-preview {
    transform: scale(0.8);
  }
}