* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        /* ===================================== Footer Principal ======================================= */
        footer {
            background: linear-gradient(135deg, #121314 0%, #2a5298 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
            opacity: 0.5;
        }

        .footer-wave {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            overflow: hidden;
            line-height: 0;
        }

        .footer-wave svg {
            position: relative;
            display: block;
            width: calc(100% + 1.3px);
            height: 80px;
        }

        .footer-wave .shape-fill {
            fill: #f8f9fa;
        }

        .footer-content {
            position: relative;
            z-index: 1;
            max-width: 1400px;
            margin: 0 auto;
            padding: 80px 20px 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        /* Sección Sobre Nosotros */
        .footer-section h3 {
            font-size: 1.8em;
            margin-bottom: 20px;
            font-weight: 700;
            position: relative;
            padding-bottom: 15px;
        }

        .footer-section h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
            border-radius: 2px;
        }

        .footer-about {
            animation: fadeInUp 0.8s ease;
        }

        .footer-logo {
            width: 120px;
            height: 120px;
            border-radius: 20px;
            margin-bottom: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .footer-about p {
            line-height: 1.8;
            color: rgba(255,255,255,0.9);
            margin-bottom: 20px;
            font-size: 1em;
        }

        .footer-frequency {
            background: rgba(255,255,255,0.1);
            padding: 15px 20px;
            border-radius: 12px;
            display: inline-block;
            margin-top: 15px;
            backdrop-filter: blur(10px);
        }

        .footer-frequency strong {
            font-size: 1.5em;
            color: #4facfe;
        }

        /* Enlaces Rápidos */
        .footer-links {
            animation: fadeInUp 0.8s ease 0.1s backwards;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1em;
        }

        .footer-links a:hover {
            color: #4facfe;
            transform: translateX(5px);
        }

        .footer-links a i {
            font-size: 0.9em;
        }

        /* Contacto */
        .footer-contact {
            animation: fadeInUp 0.8s ease 0.2s backwards;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            backdrop-filter: blur(10px);
        }

        .contact-icon i {
            color: #4facfe;
            font-size: 1.1em;
        }

        .contact-info p {
            color: rgba(255,255,255,0.9);
            font-size: 0.95em;
            line-height: 1.6;
        }

        .contact-info a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .contact-info a:hover {
            color: #4facfe;
        }

        /* Newsletter */
        .footer-newsletter {
            animation: fadeInUp 0.8s ease 0.3s backwards;
        }

        .newsletter-form {
            margin-top: 20px;
        }

        .newsletter-input {
            width: 100%;
            padding: 15px;
            border: 2px solid rgba(255,255,255,0.2);
            border-radius: 12px;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1em;
            margin-bottom: 12px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .newsletter-input::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .newsletter-input:focus {
            outline: none;
            border-color: #4facfe;
            background: rgba(255,255,255,0.15);
        }

        .newsletter-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            border: none;
            border-radius: 12px;
            color: white;
            font-size: 1em;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .newsletter-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(79, 172, 254, 0.4);
        }

        /* Redes Sociales */
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }

        .social-link {
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.2em;
            backdrop-filter: blur(10px);
        }

        .social-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
        }

        .social-link.facebook:hover {
            background: #1877f2;
        }

        .social-link.instagram:hover {
            background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
        }

        .social-link.twitter:hover {
            background: #1da1f2;
        }

        .social-link.youtube:hover {
            background: #ff0000;
        }

        .social-link.whatsapp:hover {
            background: #25d366;
        }

        .social-link.tiktok:hover {
            background: #000000;
        }

        /* Separador */
        .footer-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
            margin: 40px 0;
        }

        /* Derechos Reservados */
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            padding: 20px 0;
        }

        .footer-copyright {
            color: rgba(255,255,255,0.8);
            font-size: 0.95em;
        }

        .footer-copyright i {
            color: #4facfe;
            margin: 0 5px;
        }

        .footer-links-bottom {
            display: flex;
            gap: 25px;
            flex-wrap: wrap;
        }

        .footer-links-bottom a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            font-size: 0.95em;
            transition: color 0.3s ease;
        }

        .footer-links-bottom a:hover {
            color: #4facfe;
        }

        /* Botón Volver Arriba */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 55px;
            height: 55px;
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5em;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(79, 172, 254, 0.4);
            transition: all 0.3s ease;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(79, 172, 254, 0.6);
        }

        /* Animaciones */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-content {
                padding: 60px 20px 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 50px;
                height: 50px;
            }
        }

        /* Mensaje de suscripción */
        .subscribe-message {
            position: fixed;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
            color: white;
            padding: 20px 30px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            z-index: 9999;
            animation: slideInRight 0.5s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        @keyframes slideInRight {
            from {
                transform: translateX(400px);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }