feat: initial ACRIB WordPress deployment

- WordPress 6.9.4 (es_ES) with Kadence theme
- Homepage: Hero, La Asociación, Pilares, Beneficios, Eventos, Miembros, Hazte Miembro, Contacto
- Brand identity: #13294b navy, #a12932 burgundy, #c69c48 gold
- Fonts: Raleway (headings) + Source Sans 3 (body) + Lato (UI)
- Plugins: Kadence Blocks, Polylang, Contact Form 7
- Custom CSS with full brand styling and responsive layout
- HTTPS enforced via wp-config.php proxy detection

wp-includes/customize/class-wp-customize-upload-control.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * Customize API: WP_Customize_Upload_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize Upload Control Class.
+ *
+ * @since 3.4.0
+ *
+ * @see WP_Customize_Media_Control
+ */
+class WP_Customize_Upload_Control extends WP_Customize_Media_Control {
+	/**
+	 * Control type.
+	 *
+	 * @since 3.4.0
+	 * @var string
+	 */
+	public $type = 'upload';
+
+	/**
+	 * Media control mime type.
+	 *
+	 * @since 4.1.0
+	 * @var string
+	 */
+	public $mime_type = '';
+
+	/**
+	 * Button labels.
+	 *
+	 * @since 4.1.0
+	 * @var array
+	 */
+	public $button_labels = array();
+
+	public $removed = '';         // Unused.
+	public $context;              // Unused.
+	public $extensions = array(); // Unused.
+
+	/**
+	 * Refresh the parameters passed to the JavaScript via JSON.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @uses WP_Customize_Media_Control::to_json()
+	 */
+	public function to_json() {
+		parent::to_json();
+
+		$value = $this->value();
+		if ( $value ) {
+			// Get the attachment model for the existing file.
+			$attachment_id = attachment_url_to_postid( $value );
+			if ( $attachment_id ) {
+				$this->json['attachment'] = wp_prepare_attachment_for_js( $attachment_id );
+			}
+		}
+	}
+}