* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --index: calc(1vw + 1vh);
    --gutter: 30px;
    --side-small: 28;
    --side-big: 38;
    --depth: 6100px;
    --transition: .75s cubic-bezier(.075, .5, 0, 1);
    
}

@font-face {
    font-family: raleway_c;
    src: url(../fonts/raleway-v22-cyrillic-300.woff2);
    font-weight: 300;   
}

@font-face {
    font-family: raleway_c;
    src: url(../fonts/raleway-v22-cyrillic-100.woff2);
    font-weight: 100;   
}

body {
	scrollbar-width: none;  /* Firefox */
}
body::-webkit-scrollbar { 
	display: none;  /* Safari and Chrome */
}

body {
    background-color: rgb(4, 12, 6);
    color: #fff;
    font-size: calc(var(--index) * .8);
    font-family: raleway_c, sans-serif;
    line-height: 1.75;
    height: var(--depth);
    font-weight: 300;
}

.container {
    width: 100%;
    height: 100%;
    position: fixed;
    perspective: 1500px;
}

.gallery {
    transform-style: preserve-3d;
    height: 100%;
}

.frame {
    width: 100%;
    height: 100%;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition),  opacity 0.75s ease;
    will-change: transform;
    transform-style: preserve-3d;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 100;
    text-transform: uppercase;
    /* width: min-content; */
    line-height: 1.2;
}

.frame h2 {
    /* text-align: center; */
    width: min-content;
    font-size: calc(var(--index) * 3.3);
}

.frame-bg {
    background-color: rgba(4, 12, 6, 0.95);
    width: 100vw;
    height: 100vh;
}


.frame-media {
    position: relative;
    width: calc(var(--index) * var(--side-small));
    height: calc(var(--index) * var(--side-big));
    background-position: center;
    background-size: cover;
}

.frame-media-left {
    right: calc(var(--side-small) / 2 * var(--index) + var(--gutter));
}

.frame-media-right {
    left: calc(var(--side-small) / 2 * var(--index) + var(--gutter));
}


.frame-media-horizontal {
    width: calc(var(--index) * var(--side-big));
    height: calc(var(--index) * var(--side-small)); 
}



.frame-media-horizontal.frame-media-left {
    right: calc(var(--side-big) / 2 * var(--index) + var(--gutter));
}

.frame-media-horizontal.frame-media-right {
    left: calc(var(--side-big) / 2 * var(--index) + var(--gutter));
}

.text-right > * {
    position: relative;
    left: 18vw;
}

.text-left > * {
    position: relative;
    right: 18vw;
}

.frame h3 {
    font-size: calc(var(--index) * 2);
    max-width: 30vw;
    word-wrap: wrap;
}

.frame p {
    max-width: 30vw;
    margin-top: 3vh;
}

.sound-btn {
    position: fixed;
    bottom: 5vh;
    right: 5vh;
    cursor: pointer;
    width: 24px;
    transition: .25s ease;
}
.sound-btn.paused {
    opacity: .25;
}