Genesis: Header with Split Menu

functions.php

/*
 * Header with Split Menu 
 */
//* Remove the Header Right widget area
unregister_sidebar( 'header-right' );

// Register Header Navigation Menu
register_nav_menu( 'header', 'Header Navigation Menu' );

// Add Theme Support for Genesis Menus
add_theme_support( 'genesis-menus', array(
	'primary'   => __( 'Primary Navigation Menu', 'genesis' ),
	'secondary' => __( 'Secondary Navigation Menu', 'genesis' ),
	'header'    => __( 'Header Navigation Menu', 'genesis' ),
) );

// Add Attributes for Navigation Elements
add_filter( 'genesis_attr_nav-header', 'genesis_attributes_nav' );

// Remove the standard Header content
remove_action( 'genesis_header', 'genesis_do_header' );

// Add custom Header content
add_action( 'genesis_header', 'custom_do_header' );
function custom_do_header() {

	if ( wp_is_mobile() ) {

		echo '<a href="' . get_bloginfo( 'url' ) . '"><img class="aligncenter" src="http://dev.targetimc.com/wp-content/themes/targetimc-basic/images/logo.png" /></a>';

		// wp_nav_menu(
		// 	array(
		// 		'menu' => 'Contributors',
		// 		'container' => 'nav',
		// 		'menu_class' => 'genesis-nav-menu'
		// 	)
		// );

		genesis_nav_menu( array(
			'theme_location' => 'header',
			'menu_class'     => 'menu genesis-nav-menu',
		) );
	}

	else {

		$divider_html = '<a href="' . get_bloginfo( 'url' ) . '"><img src="http://dev.targetimc.com/wp-content/themes/targetimc-basic/images/logo.png" /></a>';

		wp_nav_menu(
			array(
				// 'menu' => 'Contributors',
				'theme_location' => 'header',
				'divider_html' => $divider_html,
				'container' => 'nav',
				'menu_class' => 'genesis-nav-menu'
			)
		);

	}

}

styles.css

/*
* Header with Split Menu
*/
.site-header {
	min-height: 0;
}

.menu-divider-item {
	display: inline-block;
	text-align: left;
}

.menu-divider-item img {
	vertical-align: middle;
}

.menu-divider-item a {
	padding-top: 0;
	padding-bottom: 0;

}