Shortcode in stunning header [Atlantis]

gistfile1.php

<?php

/* -------------------------------------------------------
 You can add your custom functions below
-------------------------------------------------------- */


function custom_stunning_header() {
    global $crum_theme_option;
    $custom_st_header = get_post_meta(get_the_ID(),'single_post_st_header',true);
    if ( isset( $crum_theme_option['st_header'] ) && $crum_theme_option['st_header'] && !is_page_template('page-templates/no-stunning.php') && ($custom_st_header !='disable') || ($custom_st_header =='enable') ) {
        $height          = isset( $crum_theme_option['st-header-height'] ) ? $crum_theme_option['st-header-height'] : '';
        $style 			 = isset( $crum_theme_option['st-header-style'] ) ? $crum_theme_option['st-header-style'] : '';
        $st_header_image = isset( $crum_theme_option['st-header-bg-image'] ) ? $crum_theme_option['st-header-bg-image']['url'] : '';
        $st_header_bg    = isset( $crum_theme_option['st-header-bg-color'] ) ? $crum_theme_option['st-header-bg-color'] : '';
        $st_text_color   = isset( $crum_theme_option['st-header-text-color'] ) ? $crum_theme_option['st-header-text-color'] : '';
        $breadcrumbs   = isset( $crum_theme_option['breadcrumbs'] ) ? $crum_theme_option['breadcrumbs'] : false;

        //custom post settings


        $custom_st_header_image = get_post_meta(get_the_ID(),'single_post_header_bg',true);
        $custom_st_header_color = get_post_meta(get_the_ID(),'single_post_color_bg',true);
        $custom_st_header_font = get_post_meta(get_the_ID(),'single_post_color_font',true);
        $custom_st_header_height = get_post_meta(get_the_ID(),'single_post_header_height',true);
        $custom_st_header_style = get_post_meta(get_the_ID(),'single_post_header_style',true);

        $header_style = '';

        if (! empty ($custom_st_header_image)){
            $header_style = 'background: url('. $custom_st_header_image.');';
        }elseif(!empty ($custom_st_header_color)){
            $header_style = 'background-color:'. $custom_st_header_color.';';
        }elseif(!empty ($custom_page_st_header_image)){
            $header_style = 'background: url('. $custom_page_st_header_image.');';
        }elseif(!empty ($custom_page_st_header_color)){
            $header_style = 'background-color:'. $custom_page_st_header_color.';';
        }elseif(! empty($st_header_image)){
            $header_style = 'background: url('. $st_header_image.');';
        }elseif(! empty($st_header_bg)){
            $header_style = 'background-color:'. $st_header_bg.';';
        }

        if (! empty ($custom_st_header_font)){
            $st_text_color = $custom_st_header_font;
        }

        if (! empty ($custom_st_header_height)){
            $height = $custom_st_header_height;
        }
        if (! empty ($custom_st_header_style) && !($custom_st_header_style == '')){
            $style = $custom_st_header_style;
        }
        ?>

        <div id="stunning-header" style="<?php echo $header_style; ?> background-position:50%;background-repeat:no-repeat;background-size: cover;">

            <div class="row" style="<?php if ( $st_text_color ): echo 'color:' . $st_text_color . ';'; endif; ?>">
                <div class="<?php reactor_columns( 12 ) ?>">
                    <header <?php if ( $height ) { ?> style="height: <?php echo $height; ?>px;"<?php } ?>>
                        <div class="st-wrap <?php echo $style ?>">
                            <?php if (is_single() && is_singular('post')) {
                                global $post;
                                $category = get_the_category($post->ID);
                                echo '<h2 class="header-title">' . $category[0]->name .'</h2>';
                            }elseif(is_single() && is_singular('portfolio')) {
                                $terms = get_the_terms( get_the_ID(), 'portfolio-category' );

                                if ( $terms && ! is_wp_error( $terms ) ) :
                                    $cat_names = array();
                                    foreach ( $terms as $term ) { $cat_names[] = $term->name; }
                                    $cat_show = $cat_names[0];

                                    echo '<h2 class="header-title">' . $cat_show . '</h2>';
                                else:
                                    echo '<h2 class="header-title">' . __('Portfolio','crum') . '</h2>';
                                endif;

                            }elseif (is_home()){
                                echo '<h2 class="header-title">';
                                printf( __( 'Latest posts', 'crum' ));
                                echo '</h2>';
                            }
                            elseif ( is_tag() ) {
                                echo '<h2 class="header-title">';
                                printf( __( 'Tag: %s', 'crum' ), single_tag_title( '', false ) );
                                echo '</h2>';
                            }
                            elseif ( is_category() ) {
                                echo '<h2 class="header-title">';
                                printf( __( 'Category: %s', 'crum' ), single_cat_title( '', false ) );
                                echo '</h2>';
                            }
                            elseif ( is_author() ) {
                                echo '<h2 class="header-title">';
                                printf( __( 'Author: %s', 'crum' ), get_the_author() );
                                echo '</h2>';
                            }
                            elseif ( is_tax('portfolio-tag') ) {
                                echo '<h2 class="header-title">';
                                printf( __( 'Tag: %s', 'crum' ), get_queried_object()->name );
                                echo '</h2>';
                            }
                            elseif ( is_search() ) {
                                echo '<h2 class="header-title">';
                                printf( __( 'You search: %s', 'crum' ), get_search_query() );
                                echo '</h2>';
                            }
                            elseif ( is_tax('portfolio-category') ) {
                                echo '<h2 class="header-title">';
                                printf( __( 'Category: %s', 'crum' ), get_queried_object()->name );
                                echo '</h2>';
                            }
                            elseif ( is_archive() ) {
                                if ( is_day() ) {
                                    echo '<h2 class="header-title">';
                                    printf( __( 'Daily Archives: %s', 'crum' ), '<span>' . get_the_date() . '</span>' );
                                    echo '</h2>';
                                }
                                elseif ( is_month() ) {
                                    echo '<h2 class="header-title">';
                                    printf( __( 'Monthly Archives: %s', 'crum' ), '<span>' . get_the_date( _x( 'F Y', 'monthly archives date format', 'crum' ) ) . '</span>' );
                                    echo '</h2>';
                                }
                                elseif ( is_year() ) {
                                    echo '<h2 class="header-title">';
                                    printf( __( 'Yearly Archives: %s', 'crum' ), '<span>' . get_the_date( _x( 'Y', 'yearly archives date format', 'crum' ) ) . '</span>' );
                                    echo '</h2>';
                                }
                                elseif ( is_post_type_archive( 'product' ) ) {
                                    echo '<h2 class="header-title">';
                                    _e( 'Shop', 'crum' );
                                    echo '</h2>';
                                }
                                else {
                                    echo '<h2 class="header-title">';
                                    _e( 'Archives', 'crum' );
                                    echo '</h2>';
                                }


                            } elseif ((function_exists('is_woocommerce')) && ( is_woocommerce() || is_page('store') || is_shop() || is_product_category() || is_product() || is_cart() || is_checkout() )){ ?>

                                <h1 class="header-title"><?php woocommerce_page_title(); ?></h1>

                            <?php } else {

                                echo '<h1 class="header-title">' . get_the_title() . '</h1>';

                            } ?>

                            <?php echo do_shortcode('custom shortcode'); /*PASTE YOUR SHOTCODE INTO BRACKETS do_shortcode('') */  ?>
                            
                            <?php if ( $breadcrumbs ): reactor_breadcrumbs(); endif; ?>
                        </div>
                    </header>
                </div>
            </div>
        </div>

    <?php
    }
}


function crum_replace_stunning_header(){
    remove_action('reactor_header_after', 'crumina_stunning_header', 1);
    add_action('reactor_header_after', 'custom_stunning_header', 1);
}
add_action('init', 'crum_replace_stunning_header', 1);