*{ 
 margin: 0;
 padding: 0;
 box-sizing: border-box;
}
:root {
 --gap: .5em;
 --index: calc(1vw + 1vh);
 --color-dark: #000; 
}
body {
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.header {
    text-transform: uppercase;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    letter-spacing: .1em;
    font-size: calc(Ver(--index) * 2.8);
    position: absolute;
    font-weight: 200;
    text-align: center;
    opacity: .9;
    margin-top: .2em;    
}
 .header span {
  display: block;
  font-family: Helvetica, sans-serif;
  font-size: calc(var(--index) * .75 );
  margin-top: 5px;;
 }
 .gallery {
    width: 30vw;
    column-width: 2em;
    gap: var(--gap);
    transform: scale(8); 
    will-change: transform;
    transition: transform 1s cubic-bezier(.075, 1, .25, 1), opacity 1s;
 }
 .gallery__item { 
    margin-bottom: var(--gap);
    transform: scale(1.001);
    will-change: transform;
    transition: .3s;
 }
 .gallery__item:hover {
    transform: scale(1.03);
 }
 .gallery__item img {
    width: 100%;
    display: block;

 }
 .loaded .gallery {
    opacity: 1;
 }
 .loaded .header span {
    opacity: 0;
 }

 /*Темная тема OS */

 @media (prefers-color-scheme: dark) {
	body {
		background-color: var(--color-dark);
	}
	.header {
		filter: invert(100%);
    }
	}
    
    /* MOBILE */

@media (max-width : 992px) {

	.header {
		position: relative;
	}

	body {
		overflow: scroll;
		display: block;
		padding: var(--gap);
	}

	.gallery {
		width: 100%;
		column-width: 10em;
		transform: scale(1);
	}
	.gallery__item:hover {
		transform: scale(1);
	}

}