fix(layout): restore Zibll float dual-column so content no longer overlaps sidebar

Align main shells to main.container > .content-wrap + .sidebar siblings, drop
content-shell padding on dual-column hosts, and remove route flex overrides that
disabled the negative-margin sidebar math.

inc/helpers/aksrt-homepage.php

@@ -1026,8 +1026,7 @@ if (!function_exists('aksrt_homepage_render_layout')) {
 		?>
 		<main id="main-content" role="main" class="container site-main aksrt-homepage" tabindex="-1">
 			<div class="content-wrap aksrt-homepage__shell">
-				<div class="content-layout<?php echo $has_sidebar ? '' : ' content-layout--no-sidebar'; ?> aksrt-homepage__content-layout">
-					<div class="content-layout__primary aksrt-homepage__primary">
+				<div class="content-layout aksrt-homepage__content-layout aksrt-homepage__primary">
 						<?php
 						aksrt_homepage_render_widget_zone(
 							['home_top_content'],
@@ -1126,7 +1125,6 @@ if (!function_exists('aksrt_homepage_render_layout')) {
 							'aksrt-homepage__content-zone aksrt-homepage__content-zone--bottom'
 						);
 						?>
-					</div>
 				</div>
 			</div>