Front Page Template for Full Width Sections in Genesis. https://sridharkatakam.com/front-page-template-for-full-width-sections-in-genesis/

front-page.php

<?php

add_filter( 'genesis_attr_site-inner', 'sk_attributes_site_inner' );
/**
 * Add attributes for site-inner element.
 *
 * @since 2.0.0
 *
 * @param array $attributes Existing attributes.
 *
 * @return array Amended attributes.
 */
function sk_attributes_site_inner( $attributes ) {

	$attributes['role']     = 'main';
	$attributes['itemprop'] = 'mainContentOfPage';

	return $attributes;

}

// Remove div.site-inner's div.wrap
add_filter( 'genesis_structural_wrap-site-inner', '__return_empty_string' );

// Display header
get_header();

// Content
echo 'Hello World';

// Display Footer
get_footer();

functions.php

// Register widget areas
genesis_register_sidebar( array(
	'id'            => 'home-featured',
	'name'          => __( 'Home Featured', 'themename' ),
	'description'   => __( 'This is the homepage featured section', 'themename' ),
));

genesis_register_sidebar( array(
	'id'          => 'home-strap-text',
	'name'        => __( 'Home Strap Text', 'themename' ),
	'description' => __( 'This is the home strap text section.', 'themename' ),
));

gistfile1.php

<?php

add_filter( 'genesis_attr_site-inner', 'sk_attributes_site_inner' );
/**
 * Add attributes for site-inner element.
 *
 * @since 2.0.0
 *
 * @param array $attributes Existing attributes.
 *
 * @return array Amended attributes.
 */
function sk_attributes_site_inner( $attributes ) {

	$attributes['role']     = 'main';
	$attributes['itemprop'] = 'mainContentOfPage';

	return $attributes;

}

// Remove div.site-inner's div.wrap
add_filter( 'genesis_structural_wrap-site-inner', '__return_empty_string' );

// Display header
get_header();

// Content

// Display Home Featured widget area
genesis_widget_area( 'home-featured', array(
	'before'	=> '<div class="home-featured widget-area">',
	'after'		=> '</div>',
));

// Display Home Strap Text widget area
genesis_widget_area( 'home-strap-text', array(
	'before'	=> '<div class="home-strap-text widget-area"><div class="wrap"',
	'after'		=> '</div></div>',
));

// Display Footer
get_footer();

gistfile2.css

/* Front Page Template for Full Width Sections
-------------------------------------------- */

.home .site-inner {
	max-width: none;
	padding-top: 0;
}

.home .site-inner .widget-area {
	padding: 40px 0;
}

.home .site-inner .home-featured {
	padding: 0;
}

.home-featured .soliloquy-container {
	margin-bottom: 0 !important;
}

.soliloquy-container .wrap {
	margin: 0 auto;
	padding: 40px;
	line-height: 1.3;
}

.home-strap-text {
	text-align: center;
}

.home-strap-text .button {
	margin-top: 20px;
}

style.css

/* Front Page Template for Full Width Sections
-------------------------------------------- */

.home .site-inner {
	max-width: none;
	padding-top: 0;
}