html {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  padding: 0;
  perspective: 1px;
  transform-style: preserve-3d;
  height: 100%;
  overflow-y: scroll;
  overflow-x: hidden;
}

h1 {
  font-size: 250%;
}

p {
  font-size: 1.5rem;
  line-height: 150%;
}
ul li {
  font-size: 1.5rem;
  line-height: 150%;
}

.slide {
  position: relative;
  padding: 20vh 10%;
  min-height: 100vh;
  width: 100vw;
  box-sizing: border-box;
  transform-style: inherit;
}

img {
  position: absolute;
  top: 50%;
  right: 7%;
  width: 320px;
  height: 240px;
  transform: translateZ(0.25px) scale(0.75) translateX(-94%) translateY(-100%)
    rotate(2deg);
  padding: 10px;
  border-radius: 5px;
  background: rgba(240, 230, 220, 0.7);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.7);
}

img:last-of-type {
  transform: translateZ(0.4px) scale(0.6) translateX(-104%) translateY(-40%)
    rotate(-5deg);
}

.slide:before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  box-shadow: 0 0 8px 1px rgba(0, 0, 0, 0.7);
}

.title {
  width: 35%;
  padding: 7px 30px;
  border-radius: 5px;
  background: rgba(240, 230, 220, 0.4);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.slide:nth-child(2n) .title {
  margin-left: 0;
  margin-right: auto;
}

.slide:nth-child(2n + 1) .title {
  margin-left: 0;
  margin-right: auto;
}

.slide,
.slide:before {
  background: 50% 50% / cover;
}

.header {
  font-size: 175%;
  color: #fff;
  text-shadow: 0 2px 2px #000;
}
.header h2 {
  text-align: center;
}

#title {
  background-image: url("../assets/img/bg-img/who_xl.jpg");
  z-index: 2;
  min-height: 100vh;
}

#title h1 {
  transform: translateZ(0.25px) scale(0.75);
  transform-origin: 50% 100%;
  margin-bottom: 0;
  padding-bottom: 0;
  text-align: center;
  width: 100%;
}
#title .title {
  margin-left: auto;
  margin-right: 0;
}

#slide1:before {
  background-image: url("../assets/img/bg-img/keyboard_xl.jpg");
  transform: translateZ(-1px) scale(2);
}

#slide2 {
  background-image: url("../assets/img/bg-img/cloud_xl.jpg");
  z-index: 2;
}

#slide2 .title,
#title .title {
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
}

#slide3:before {
  background-image: url("../assets/img/bg-img/projects_xl.jpg");
  transform: translateZ(-1px) scale(2);
}

#slide4 {
  background: #222;
}

.bg-gradient {
  background-color: #000;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 1) 45%,
    rgba(0, 0, 0, 0) 55%,
    rgba(0, 0, 0, 0) 100%
  );
}

@media only screen and (max-width: 2400px) {
  #title {
    background-image: url("../assets/img/bg-img/who_lg.jpg");
  }
  #slide1:before {
    background-image: url("../assets/img/bg-img/keyboard_lg.jpg");
  }
  #slide2 {
    background-image: url("../assets/img/bg-img/cloud_lg.jpg");
  }
  #slide3:before {
    background-image: url("../assets/img/bg-img/projects_lg.jpg");
  }
}

@media only screen and (max-width: 1400px) {
  .w-50 {
    width: 70%;
  }

  #title {
    background-image: url("../assets/img/bg-img/who_med.jpg");
  }
  #slide1:before {
    background-image: url("../assets/img/bg-img/keyboard_med.jpg");
  }
  #slide2 {
    background-image: url("../assets/img/bg-img/cloud_med.jpg");
  }
  #slide3:before {
    background-image: url("../assets/img/bg-img/projects_med.jpg");
  }
}
@media only screen and (max-width: 1080px) {
  .title {
    width: 90%;
  }
  .sm_hide {
    display: none;
  }
}

@media only screen and (max-width: 640px) {
  #title {
    background-image: url("../assets/img/bg-img/who_sm.jpg");
  }
  #slide1:before {
    background-image: url("../assets/img/bg-img/keyboard_sm.jpg");
  }
  #slide2 {
    background-image: url("../assets/img/bg-img/cloud_sm.jpg");
  }
  #slide3:before {
    background-image: url("../assets/img/bg-img/projects_sm.jpg");
  }
}

/*   M O B I L E:   Portrait and Landscape */
@media only screen and (min-device-width: 300px) and (max-device-width: 736px) and (-webkit-min-device-pixel-ratio: 3) {
  :root {
    font-size: 14px;
  }
  .slide {
    padding: 20vh 2.5% 20vh 0;
  }
  .scroll {
    display: none;
  }

  #title {
    padding-top: 12vh;
  }
  #title h1 {
    font-size: 2.5rem;
    padding: 0 2% 0 1%;
  }
  .title h1 {text-align: left;}
  .mobile-ph-email {
    font-size: 1.5rem;
  }
  #slide2 {
    bottom: -150px;
  }
  #slide1:before {
    background-image: none;
    background-color: rgba(255,255,255,0.5);
    height: 70%;
  }

}