*, *::before, *::after {
  box-sizing: border-box;
  outline: none;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 5px 0;
}

body {
  margin: 0;
  padding: 0;
}

.intro {
  width: 100%;
  min-height: 100vh;
  position: relative;
}

.intro .animated-bar {
  width: 0;
  height: 3px;
  background: #fff;
  z-index: 9999;
  position: absolute;
  top: 0;
  left: 0;
  animation: bar 5s 3 linear;
}

.intro .slide {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ff0;
  position: absolute;
  top: 0;
  left: 0;
  padding: 20px;
  overflow: hidden;
  text-align: center;
  color: #fff;
  font-family: 'Raleway', sans-serif;
}

.slide.slide-a {
  background: #00a6ec;
  z-index: 400;
}

.slide-a .slide-a-child {
  transform: translateY(50px);
  opacity: 0;
  transition: all 1s;
}

.slide-a .slide-a-child.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.slide-a p {
  font-size: 25px;
}

.slide.slide-b {
  background: #00a6ec;
  z-index: 300;
}

.slide-b h2 {
  transform: translateX(50px);
}

.slide-b p:first-of-type {
  transform: translateX(-50px);
  margin-bottom: 20px;
}

.slide-b p:last-of-type {
  transform: translateX(50px);
}

.slide-b .slide-b-child {
  transition: all 1s;
  opacity: 0;
}

.slide-b .slide-b-child.is-visible {
  transform: translateX(0);
  opacity: 1;
}

.slide.slide-c {
  background: #00a6ec;
  z-index: 200;
}

.slide-c .slide-c-child {
  transition: all 1s cubic-bezier(0.250, 0.250, 0.230, 1.405);
  transform: scale(0.5);
  opacity: 0;
}

.slide-c .slide-c-child.is-visible {
  transform: scale(1);
  opacity: 1;
}

.slide.slide-d {
  background: #00a6ec;
  z-index: 100;
}

.slide-d .slide-d-child {
  transition: all 1s;
  opacity: 0;
  transform: translateY(-50px);
}

.slide-d .slide-d-child.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-d button.slide-d-child {
  transform: translateY(50px);
}

.slide-content h1 {
  font-size: 2.5em;
  font-weight: 500;
  margin: 20px 0;
}

.slide-content h2 {
  font-size: 2.5em;
  font-weight: 500;
  margin: 20px 0;
}

.slide-content p {
  font-size: 25px;
  font-weight: 300;
}

.slide-content p a {
  color: #b6483d;
  text-decoration: none;
  position: relative;
}

.slide-content p a:hover::after {
  width: 180px;
}

.slide-content p a::after {
  content: '';
  width: 0;
  height: 1px;
  background: #b6483d;
  display: block;
  position: absolute;
  bottom: -3px;
  left: 0;
  transition: all .5s;
}

.slide-content ul li {
  display: inline-block;
}

.slide-content ul li p {
  position: relative;
}

.slide-content ul li p::after {
  content: '';
  width: 8px;
  height: 8px;
  background: #fff;
  display: inline-block;
  margin: 0 20px;
  border-radius: 50%;
}

.slide-content ul li:last-of-type p::after {
  display: none;
}

.slide-content button {


  color: #fff;
  text-align: center;
  background: #ffffff00;
  margin-top: 30px;
  border: 2px solid #fff;
  border-radius: 12px;
  transition: all .5s;
  cursor: pointer;
  font-size: 18px;
  font-family: 'Raleway', sans-serif;
}

.slide-content button:hover {
  background: #fff;
  border: 2px solid #fff;
  color: #00a6ec;
}

@keyframes bar {
  0% { width: 0; }
  100% { width: 100%; }
}

@media (max-width: 991px) {
  h1 { font-size: 50px !important; }
  h2 { font-size: 45px !important; }
  p { font-size: 22px !important; }
  a:hover::after { width: 160px !important; }
}

@media (max-width: 768px) {
  .slide-c-child { display: block !important; }
  p::after { display: none !important; }
  button.replay {
   
    font-size: 14px !important;
  }
  a:hover::after { width: 140px !important; }
}

@media (max-width: 480px) {
  h1 { font-size: 40px !important; }
  h2 { font-size: 33px !important; }
  p { font-size: 18px !important; }
  a:hover::after { width: 130px !important; }
}