.main {
    margin: -52px 0 -52px;
    overflow: initial;
    background: rgba(18,26,47,1);
}

figure[data-figure-id="image-hero-1"], figure[data-figure-id="image-hero-2"], figure[data-figure-id="image-hero-3"], figure[data-figure-id="image-hero-4"] {
	position: absolute;
	margin-top: 3vh;
	margin-left: auto;
	margin-right: auto;
	width: 100%;
	height: 80vh;
	background-size: cover;
	background-position: 50.5% top;
	background-repeat: no-repeat;
}

@media only screen and (max-height: 570px) and (min-width: 735px) {
	.video-container{
		opacity: 0;
  		transition: visibility 0s 0.5s, opacity 0.5s linear;
	}
}

@media only screen and (max-height: 450px) {
	.video-container{
		opacity: 0;
  		transition: visibility 0s 0.5s, opacity 0.5s linear;
	}
}

figure[data-figure-id="image-hero-1"] {
    background-image: url(/wwdc19/images/hero/wwdc19-robot-large_2x.jpg);
}

figure[data-figure-id="image-hero-2"] {
    background-image: url(/wwdc19/images/hero/wwdc19-alien-large_2x.jpg);
}

figure[data-figure-id="image-hero-3"] {
    background-image: url(/wwdc19/images/hero/wwdc19-monkey-large_2x.jpg);
}

figure[data-figure-id="image-hero-4"] {
    background-image: url(/wwdc19/images/hero/wwdc19-skull-large_2x.jpg);
}

@media only screen and (max-width: 1068px) {
	figure[data-figure-id="image-hero-1"], figure[data-figure-id="image-hero-2"] ,figure[data-figure-id="image-hero-3"] ,figure[data-figure-id="image-hero-4"] {
		margin-left: auto;
		margin-right: auto;
		width: 100%;
		height: 83vh;
		background-size: cover;
		background-position: 50.5% top;
		background-repeat: no-repeat;
		position: absolute;
		margin-top: 0;
	}
}

@media only screen and (max-width: 1068px) {
	figure[data-figure-id="image-hero-1"] {
		background-image: url(/wwdc19/images/hero/wwdc19-robot-medium_2x.jpg);    
	}
	figure[data-figure-id="image-hero-2"] {
		background-image: url(/wwdc19/images/hero/wwdc19-alien-medium_2x.jpg);    
	}
	figure[data-figure-id="image-hero-3"] {
		background-image: url(/wwdc19/images/hero/wwdc19-monkey-medium_2x.jpg);    
	}
	figure[data-figure-id="image-hero-4"] {
		background-image: url(/wwdc19/images/hero/wwdc19-skull-medium_2x.jpg);    
	}
}

@media only screen and (max-width: 735px) {
	figure[data-figure-id="image-hero-1"], figure[data-figure-id="image-hero-2"], figure[data-figure-id="image-hero-3"], figure[data-figure-id="image-hero-4"] {
		width: 100%;
		height: 65vh;
		background-size: cover;
		background-position: 50.5% top;
		background-repeat: no-repeat;
		position: absolute;
		margin-top: 4vh;
	}
	.typography-intro, .intro{
		font-size: 17px !important;
	}

	.typography-headline-reduced, h2, .typography-section-headline{
		font-size: 25px !important;
	}
}
@media only screen and (max-width: 735px) {
	figure[data-figure-id="image-hero-1"] {
		background-image: url(/wwdc19/images/hero/wwdc19-robot-medium_2x.jpg);    
	}
	figure[data-figure-id="image-hero-2"] {
		background-image: url(/wwdc19/images/hero/wwdc19-alien-medium_2x.jpg);    
	}
	figure[data-figure-id="image-hero-3"] {
		background-image: url(/wwdc19/images/hero/wwdc19-monkey-medium_2x.jpg);    
	}
	figure[data-figure-id="image-hero-4"] {
		background-image: url(/wwdc19/images/hero/wwdc19-skull-medium_2x.jpg);    
	}
}

.section-main {
    position: relative;
}

.section-block {
    padding: 5vh 0;
}

.section-grid-content {
    padding: 0;
    text-align: center;
}

.hero-copy {
    position: absolute;
    z-index: 2;
    bottom: 0;
    width: 100%;
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    transition-property: opacity, transform;
    transition-duration: 1s;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* .hero-copy-inner {
    position: absolute;
    top: 12vh;
    left: 0;
    width: 100%;
} */

.no-cover video,
.no-cover .endframe,
.no-cover .video-container {
    height: 100vh;
}

.video-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(18,26,47,1);
    will-change: opacity;
}

.dn-arrow span {
    display: block;
    font-size: 1.8em;
    transform: translateY(10px);
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 1.5s;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transition-delay: 0.5s;
}

.trigger .hero-copy,
.trigger .dn-arrow span {
    opacity: 1;
    transform: translateY(0);
}

.section-hero {
    /* position: sticky;
    position: -webkit-sticky; */
    top: 0;
    width: 100%;
    height: 100vh;
    padding: 0;
    margin: 0;
    overflow: hidden;
    will-change: opacity, filter;
}