body,
.page-row-navigation {
	grid-template-rows: [page-top] max-content [contents-top] max-content [contents-bottom] max-content [page-bottom];
}

body {
	--screen-margin       :   1.5rem;
	--screen-inset-width  :   5fr;
	--page-margin         :   3.33rem;
	--page-inset-left-min :   3.33rem;
	--page-inset-left-max :  10rem;
	--page-inset-right-min:   3.33rem;
	--page-inset-right-max:  10rem;
	--body-outset         :   3.33rem;
	--body-margin         :   1.5rem;
	--body-content-min    :  30rem;
	--body-content-max    :  46rem;

	margin: 0 auto;
	max-width: 2560px;
}

body .sidebar.sidebar-navigation {
	grid-column: page-start/body-start;
	grid-row   : content-top/page-bottom;
}

body .grid {
	display: grid;
	gap: 0;
	grid-template-columns:
		[screen-start] 
			var(--screen-margin)
			[screen-inset-start] 
				var(--screen-inset-width)
				[page-start] 
					var(--page-margin)
					[page-inset-start] 
						minmax( var(--page-inset-left-min), var(--page-inset-left-max) )

						[body-outset-start] 
							var(--body-outset)
							[body-start] 
								var(--body-margin)
								[body-content-start]
									minmax(
										calc( var(--body-content-min) / 2 )
										,
										calc( ( var(--body-content-max) - 2 * var(--body-margin) ) / 2 )
									)
									[center-line]
									minmax(
										calc( var(--body-content-min) / 2 )
										,
										calc( ( var(--body-content-max) - 2 * var(--body-margin) ) / 2 )
									)
								[body-content-end]
							var(--body-margin) 
							[body-end]
						var(--body-outset) 
						[body-outset-end]

						minmax( var(--page-inset-right-min), var(--page-inset-right-max) ) 
					[page-inset-end]
					var(--page-margin) 
				[page-end]
				var(--screen-inset-width) 
			[screen-inset-end]
			var(--screen-margin) 
		[screen-end];
}





@media (max-width: 90rem) {
	body .grid {
		grid-template-columns:
			[screen-start] var(--screen-margin)
				[screen-inset-start page-start page-inset-start] 
						minmax( var(--page-inset-left-min), var(--page-inset-left-max) )

						[body-outset-start] 
							var(--body-outset)
							[body-start] 
								var(--body-margin)
								[body-content-start]
									minmax(
										calc( var(--body-content-min) / 2 )
										,
										calc( ( var(--body-content-max) - 2 * var(--body-margin) ) / 2 )
									)
									[center-line]
									minmax(
										calc( var(--body-content-min) / 2 )
										,
										calc( ( var(--body-content-max) - 2 * var(--body-margin) ) / 2 )
									)
								[body-content-end]
							var(--body-margin) 
							[body-end]
						var(--body-outset) 
						[body-outset-end]

						minmax( var(--page-inset-right-min), var(--page-inset-right-max) ) 
					[page-inset-end page-end screen-inset-end]
			var(--screen-margin) [screen-end];
	}
}

@media (max-width: 46rem) {
	body .grid {
		grid-template-columns:
			[screen-start] var(--screen-margin)
				[screen-inset-start page-start page-inset-start body-outset-start body-start body-content-start] minmax(0px, 1fr) [body-content-end body-end body-outset-end page-inset-end page-end screen-inset-end]
			var(--screen-margin) [screen-end];
	}
}

.page-full {
	grid-column: screen-start/screen-end !important;
}

.grid > * {
	grid-column: body-content-start/body-content-end;
}

.grid .content {
	grid-column  : body-content-start/body-content-end;
	grid-row     : content-top/content-bottom;
	align-content: flex-start;
}

.grid .column-body {
	grid-column: body-content-start/body-content-end;
}

.grid .column-body-outset {
	grid-column: body-outset-start/body-outset-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}

.grid .column-page {
	grid-column: page-start/page-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}

.grid .column-page-inset {
	grid-column: page-inset-start/page-inset-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}

.grid .column-screen {
	grid-column: screen-start/screen-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}

.grid .column-screen-inset {
	grid-column: screen-inset-start/screen-inset-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}

.grid .column-screen-inset.shaded {
	grid-column: screen-start/screen-end;
	padding: 1em;
	background: #009de4;
	z-index: 998;
	transform: translate3d(0, 0, 0);
	margin-bottom: 1em;
	overflow: hidden;
}
.grid .column-screen-inset.shaded {

}

@media (min-width: 70rem) {
	.column-before {
		grid-column: page-start/body-start;
		z-index: 998;
	}

	.margin-caption,
	.aside,
	aside:not(.footnotes):not(.sidebar),
	.column-margin {
		grid-column: body-end/page-end;
		z-index: 998;
	}
}

.grid .column-body-outset-right,
.grid .column-body-right {
	grid-column: body-content-start/body-outset-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-page-inset-right {
	grid-column: body-content-start/page-inset-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-page-right {
	grid-column: body-content-start/page-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-screen-inset-right {
	grid-column: body-content-start/screen-inset-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-screen-right {
	grid-column: body-content-start/screen-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.left {
	text-align: left;
	padding-left: 1em;
}




.grid .column-body-outset-left,
.grid .column-body-left {
	grid-column: body-outset-start/body-content-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-page-inset-left {
	grid-column: page-inset-start/body-content-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-page-left {
	grid-column: page-start/body-content-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-screen-inset-left {
	grid-column: screen-inset-start/body-content-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.grid .column-screen-left {
	grid-column: screen-start/body-content-end;
	z-index: 998;
	transform: translate3d(0, 0, 0);
}
.right {
	text-align: right;
	padding-right: 1em;
}






.sidebar.margin-sidebar {
	grid-column: body-end/page-end;
	grid-row: content-top/page-bottom;
}
.sidebar {
	will-change: top;
	transition: top 200ms linear;
	position: sticky;
	overflow-y: auto;
	padding-top: 0;
	max-height: 100vh;
}

@media (max-width: 40rem) {
	.sidebar.margin-sidebar {
		margin: 0 var(--screen-margin);
	}
}





.layout-row {
	--min: 10ch;
	--gap: 2rem;

	display: grid;
	gap: var(--gap);

	grid-auto-flow: column;
	grid-auto-columns: 1fr;
}

.layout-row.g-75-25 { grid-template-columns: calc(75% - var(--gap) / 2 )          calc(25% - var(--gap) / 2); }
.layout-row.g-66-33 { grid-template-columns: calc(100% / 3 * 2 - var(--gap) / 2 ) calc(100% / 3 - var(--gap) / 2 ); }
.layout-row.g-33-66 { grid-template-columns: calc(100% / 3 - var(--gap) / 2)      calc(100% / 3 * 2 - var(--gap) / 2); }
.layout-row.g-25-75 { grid-template-columns: calc(25% - var(--gap) / 2 )          calc(75% - var(--gap) / 2); }

.layout-row > div {
	max-width: 100%;
}

.layout-row > * img {
	display: block;
	width: 100%;
	height: auto;
}

.layout-row.txt-img,
.layout-row.img-txt {
	gap: 0;
	
}

.img-txt > div,
.txt-img > div {
	display: grid;
    grid-template-columns: subgrid;
    align-content: center;
	margin: max(1rem, 10%);
}


.txt-img > :nth-child(1) {
	order: 1;
}
.txt-img > :nth-child(2) {
	order: 0;
}

.img-txt > div > * {
	grid-column: center-line / body-content;
}




@media (max-width: 40rem) {

	.layout-row {
		grid-auto-flow: row;
	}
	.txt-img > :nth-child(1) {
		order: 0;
	}
	.txt-img > :nth-child(2) {
		order: 1;
	}
	.img-txt > div,
	.txt-img > div {
		margin: max(1rem, 10%) 0;
	}

}





.bg-img.fixed {
	background-attachment: fixed;
}
.bg-img {
	background-position: center center;
	background-size: cover;
	background-repeat: no-repeat;
}
.full-height {
	height: 100vh;
	display: grid;
	place-items: center;
	background-color: #eee;
}