body{
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size:22px;
  }

  /*HERO HEADER*/



header {
  align-items: center;
  display: flex;
  font-size: 18px;
  height: 100vh;
  justify-content: center;
  overflow: hidden;
  position: relative;
  text-align: center;
  transform-style: preserve-3d;
  perspective: 100px;
}

header:before {
  animation: fade-slide-down 2s .5s cubic-bezier(0, 0.5, 0, 1) forwards;
  background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,.8)),
              url(../../assets/img/Githu2.jpeg) no-repeat bottom;
  background-size: cover;
  content: "";
  opacity: 0;
  position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
  z-index: -1;
}

header:after {
  animation: rotate-up .5s .5s cubic-bezier(0, 0.5, 0, 1) forwards;
  background: #F9FCFF;
  content: "";
  height: 40rem;
  left: -5%;
  position: absolute;
    right: -5%;
    top: 90%;
  transform-origin: 0 0;
  z-index: 0;
}

.header-title, .header-subtitle {
  color: #fff;
}

.header-subtitle {
  text-transform: uppercase;
  margin-bottom: 5rem;
}

.header-button {
  transform: translateZ(.1px);
  position: relative;
  z-index: 10;
}

.animate-pop-in, .show-on-scroll{
  animation: pop-in .6s cubic-bezier(0, 0.9, 0.3, 1.2) forwards;
  opacity: 0;
}

.show-on-scroll {
  animation-delay: .6s;

}

.header-title {
  animation-delay: .8s;
}

.header-subtitle {
  animation-delay: 1s;
}

.header-button {
  animation-delay: 1.1s;
}


/* Animations HERO HEADER */

@keyframes fade-slide-down {
  0% {
    opacity: 0;
    transform: translateY(-4rem);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

  /*ARTICLES BODY*/

.inline-photo {
  border: 1em solid #fff;
  border-bottom: 4em solid #fff;
  border-radius: .25em;
  box-shadow: 1em 1em 2em .25em rgba(0,0,0,.2);
  margin: 2em auto;
  opacity: 0;
  transform: translateY(4em) rotateZ(-5deg);
  transition: transform 4s .25s cubic-bezier(0,1,.3,1),
              opacity .3s .25s ease-out;
  max-width: 600px;
  width: 90%;
  will-change: transform, opacity;
}

.inline-photo.is-visible {
  opacity: 1;
  transform: rotateZ(-2deg);
}

    /*Articles*/

.show-on-scroll {
  opacity: 0;
  transition: opacity .5s .25s ease-out;
}

show-on-scroll.is-visible {
  opacity: 1;
}

    /*ARTICLES BODY*/

.main-photo {
  transform: scale(.8);
}

.heading {
  transform: translate(-50%, calc(-30% + .5em));
}

.is-visible .main-photo, .show-on-scroll
{
  transform: none;
}

.is-visible .heading {
  transform: translate(-2%, -10%);
}

.main-photo,
.heading {
  transition: transform 4s .25s cubic-bezier(0,1,.3,1),
              filter 10s 2s ease-out;
  will-change: transform;
  text-align: center;
}
    /*HERO HEADER ANIMATIO*/

@keyframes pop-in {
  0% {
    opacity: 0;
    transform: translateY(-4rem) scale(.8);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes rotate-up {
  100% {
    transform: rotateZ(-4deg);
  }
}

   /*   GLYPH ICON HEARTBEAT*/

.glyphicon-chevron-down{
  font-size: 30px;
  position: absolute;
    top: 18em;
    bottom: 2em;
  z-index:10 ;
  
  
  animation: pulse-beat 2s 2s ease-in forwards infinite;
}

    /*FOOTER*/
.footer{
     background-color:#10375C; 
     color: white;
     padding-bottom: 5%; 
     text-align: center;
     font-size: 18px;
     font-family:tahoma;
     margin-bottom: -2%;

}
.anchor{
  color: #ffff;
}

    /*   GLYPH ICON HEARTBEAT ANIMATION*/

@keyframes pulse-beat {
  0% {
    opacity: 1;
    transform: none;
  }
  50% {
    opacity: .8;
    transform: scale(.8);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}