feat: caching, optimization, legal pages & footer

- WP Super Cache enabled (PHP mode, gzip, Nginx compatible)
- Autoptimize: CSS/HTML minification + deferred JS + Google Fonts optimization
- Cookie Notice: GDPR/LOPD banner styled with brand colors (navy/burgundy/gold)
- Legal pages: Aviso Legal, Política de Privacidad, Política de Cookies (ES)
- MU-plugin: custom footer with legal links + Cloud Host credit
- Footer: copyright, legal nav, Hosted & Maintained by Cloud Host (cloudhost.es)
- Security: X-Frame-Options, X-Content-Type, Referrer-Policy headers
- Security: XML-RPC disabled, REST user enumeration blocked
- Performance: emoji scripts removed, post revisions limited to 3

wp-content/plugins/cookie-notice/includes/modules/contact-form-7/contact-form-7.php

@@ -0,0 +1,69 @@
+<?php
+// exit if accessed directly
+if ( ! defined( 'ABSPATH' ) )
+	exit;
+
+/**
+ * Cookie Notice Modules Contact Form 7 class.
+ *
+ * Compatibility since: 5.1.0 (recaptcha v3 only)
+ *
+ * @class Cookie_Notice_Modules_ContactForm7
+ */
+class Cookie_Notice_Modules_ContactForm7 {
+
+	private $service;
+
+	/**
+	 * Constructor.
+	 *
+	 * @return void
+	 */
+	public function __construct() {
+		$this->service = WPCF7_RECAPTCHA::get_instance();
+
+		if ( $this->service->is_active() )
+			add_action( 'wp_enqueue_scripts', [ $this, 'contact_form_7_recaptcha' ], 21 );
+	}
+
+	/**
+	 * Replace original recaptcha script from Contact Form 7.
+	 *
+	 * @return void
+	 */
+	public function contact_form_7_recaptcha() {
+		// deregister original script
+		wp_deregister_script( 'wpcf7-recaptcha' );
+
+		// register new script
+		wp_register_script(
+			'wpcf7-recaptcha',
+			COOKIE_NOTICE_URL . '/includes/modules/contact-form-7/recaptcha.js',
+			[
+				'google-recaptcha',
+				'wp-polyfill'
+			],
+			WPCF7_VERSION,
+			true
+		);
+
+		wp_enqueue_script( 'wpcf7-recaptcha' );
+
+		wp_localize_script(
+			'wpcf7-recaptcha',
+			'wpcf7_recaptcha',
+			[
+				'sitekey'	=> $this->service->get_sitekey(),
+				'actions'	=> apply_filters(
+					'wpcf7_recaptcha_actions',
+					[
+						'homepage'		=> 'homepage',
+						'contactform'	=> 'contactform'
+					]
+				)
+			]
+		);
+	}
+}
+
+new Cookie_Notice_Modules_ContactForm7();