Create a landing page template on Genesis Framework

functions.php

<?php
 
/*
Template Name: Landing Page
*/
 
// Add custom body class to the head
add_filter( 'body_class', 'add_body_class' );
function add_body_class( $classes ) {
   $classes[] = 'landing-page';
   return $classes;
}

// Force full width content layout 
add_filter( 'genesis_pre_get_option_site_layout', '__genesis_return_full_width_content' );

// Remove header
remove_action( 'genesis_header', 'genesis_header_markup_open', 5 );
remove_action( 'genesis_header', 'genesis_do_header' );
remove_action( 'genesis_header', 'genesis_header_markup_close', 15 );

// Remove navigation
remove_action( 'genesis_after_header', 'genesis_do_nav' );
remove_action( 'genesis_after_header', 'genesis_do_subnav' );

// Remove breadcrumbs
remove_action( 'genesis_before_loop', 'genesis_do_breadcrumbs');

// Remove footer widgets
remove_action( 'genesis_before_footer', 'genesis_footer_widget_areas' );

// Remove footer
remove_action( 'genesis_footer', 'genesis_footer_markup_open', 5 );
remove_action( 'genesis_footer', 'genesis_do_footer' );
remove_action( 'genesis_footer', 'genesis_footer_markup_close', 15 );
 
genesis();