:root {
	--ratio: 1.3; 				/* image ratio */
	--grid-item-width: 32vw;	/* image width */
	--justify: space-between;	/* spread columns or center */
	--gap: 2.5vw;				/* column gap and margin for items */
	--rotation: 0deg;			/* section rotation */
	--radius: 6px;				/* image border radius */
	--offset: -30vh;			/* offset of even columns */
}


.section--intro {
	margin-bottom: 110vh;
	height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	justify-content: center;
	padding: 8rem 0 2rem;
	cursor: default;
}

.section--rounded-top {
	border-top-left-radius: 34px;
	border-top-right-radius: 34px;
}

.section__title {
	font-size: clamp(2rem,17vw,9.5rem) !important;
	line-height: 0.9;
}


.section--columns {
	position: fixed;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	z-index: -1;
	width: 100%;
	height: 100vh;
}

.columns {
	width: 100%;
	position: relative;
	display: flex;
	justify-content: var(--justify);
	gap: var(--gap);
	height: 100%;
	transform: rotate(var(--rotation));
	align-items: center;
	will-change: transform, opacity;
}

.column-wrap {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	padding: 5vh 0 15vh;
	will-change: transform;
}

.column-wrap:nth-child(even) {
	margin-top: var(--offset);
}

.column {
	position: relative;
	display: block;
	will-change: transform;
}

.column__item {
	--grid-item-height: calc(var(--grid-item-width) * var(--ratio));
	width: var(--grid-item-width);
	height: var(--grid-item-height);
	position: relative;
	overflow: hidden;
	border-radius: var(--radius);
	cursor: pointer;
	margin: 0 0 var(--gap) 0;
	z-index: 1;
	will-change: transform, filter;
}


.column__item-img {
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: 50% 50%;
	will-change: transform;
}


.loading::before,
.loading::after {
	content: '';
	position: fixed;
	z-index: 1000;
}

.loading::before {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: #f8f7f5;
}

.loading::after {
	top: 50%;
	left: 50%;
	width: 60px;
	height: 60px;
	margin: -30px 0 0 -30px;
	border-radius: 50%;
	opacity: 0.4;
	background: #590A00;
	animation: loaderAnim 0.7s linear infinite alternate forwards;

}

@keyframes loaderAnim {
	to {
		opacity: 1;
		transform: scale3d(0.5,0.5,1);
	}
}