/* ----- BOTÓN FLOTANTE WHATSAPP DUAL (dos números) ----- */
        .whatsapp-float-container {
            position: fixed;
            bottom: 28px;
            right: 28px;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 12px;
        }
        
        /* Botón principal (ícono + efecto) */
        .whatsapp-main-btn {
            background-color: #25D366;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
            cursor: pointer;
            transition: all 0.25s ease-in-out;
            border: none;
            color: white;
            font-size: 32px;
            text-decoration: none;
            position: relative;
        }
        
        .whatsapp-main-btn:hover {
            transform: scale(1.07);
            background-color: #20b859;
            box-shadow: 0 12px 24px rgba(37, 211, 102, 0.5);
        }
        
        /* Menú flotante de contactos (inicialmente oculto) */
        .whatsapp-options {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 12px;
            margin-bottom: 8px;
            transition: all 0.2s ease;
        }
        
        /* Cada opción de contacto */
        .wa-contact-card {
            background: white;
            border-radius: 60px;
            padding: 8px 18px 8px 16px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.12);
            cursor: pointer;
            text-decoration: none;
            color: #1f2a44;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.2s;
            border: 1px solid rgba(37, 211, 102, 0.2);
            backdrop-filter: blur(4px);
            background-color: rgba(255,255,255,0.98);
        }
        
        .wa-contact-card i {
            font-size: 1.6rem;
            color: #25D366;
        }
        
        .wa-contact-card span {
            font-weight: 600;
        }
        
        .wa-contact-card small {
            font-size: 0.7rem;
            color: #6c757d;
            font-weight: normal;
        }
        
        .wa-contact-card:hover {
            background-color: #f0fff4;
            transform: translateX(-4px);
            border-color: #25D366;
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        
        /* Estado hidden */
        .hidden-options {
            display: none !important;
        }
        
        /* Animación sutil al aparecer */
        .whatsapp-options:not(.hidden-options) .wa-contact-card {
            animation: slideInRight 0.2s ease forwards;
        }
        
        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        /* Responsive: ajuste en móviles */
        @media (max-width: 576px) {
            .whatsapp-float-container {
                bottom: 20px;
                right: 20px;
            }
            .wa-contact-card {
                padding: 6px 14px 6px 12px;
                font-size: 0.85rem;
            }
            .wa-contact-card i {
                font-size: 1.4rem;
            }
            .whatsapp-main-btn {
                width: 54px;
                height: 54px;
                font-size: 28px;
            }
        }
        
        /* Estilo del tooltip o badge opcional */
        .badge-wa {
            background: #dcf8e5;
            color: #075e54;
        }
        /* efecto de cierre externo (click fuera) se maneja con JS */
        .overlay-helper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1040;
            display: none;
        }