.boton-whatsapp {
    position: fixed;
    bottom: 0;
    left: 20px;
    background-color: #25d366;
    color: #fff;
    border-radius: 30px 30px 0 0;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-bottom: none;
    text-align: center;
    font-size: 30px;
    z-index: 9999999;
    width: 75px;
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}
.boton-whatsapp:hover { background-color: #128c7e; transform: scale(1.1); color: #fff; }
.boton-whatsapp svg { width: 35px; height: 35px; fill: white; }
@media (max-width: 768px) {
    .boton-whatsapp {
        bottom: 0 !important;
        left: 2% !important;
        width: 20% !important;
        height: 75px !important;
        border-radius: 30px 30px 0 0 !important;
        margin: 0 !important;
        box-shadow: none !important;
    }
    .boton-whatsapp svg {
        width: 35px !important;
        height: 35px !important;
    }
}

/* --- ESTILOS DEL MODAL (Fase 2) --- */
#sa-wa-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); z-index: 99999999;
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(5px);
}
#sa-wa-modal-box {
    background: #1e1e1e; color: #fff; width: 350px; max-width: 90%;
    border-radius: 16px; padding: 25px; position: relative;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    border: 1px solid #333; font-family: sans-serif;
}
#sa-wa-modal-close {
    position: absolute; top: 15px; right: 20px;
    background: none; border: none; color: #aaa;
    font-size: 28px; cursor: pointer; line-height: 1;
}
#sa-wa-modal-close:hover { color: #fff; }
.sa-wa-modal-header { text-align: center; margin-bottom: 25px; }
.sa-wa-modal-header h3 { margin: 0 0 10px 0; font-size: 20px; color: #fff; }
.sa-wa-modal-header p { margin: 0; font-size: 13px; color: #bbb; line-height: 1.4; }
.sa-wa-modal-body { display: flex; flex-direction: column; gap: 12px; }
.sa-wa-contact-card {
    display: flex; align-items: center; gap: 15px;
    background: #2a2a2a; border: 1px solid #444;
    padding: 12px 15px; border-radius: 12px;
    text-decoration: none; color: #fff; transition: all 0.2s ease;
}
.sa-wa-contact-card:hover {
    background: #333; border-color: #25d366; transform: translateY(-2px);
}
.sa-wa-icon {
    width: 40px; height: 40px; background: #1a1a1a;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.sa-wa-contact-info { display: flex; flex-direction: column; }
.sa-wa-contact-info strong { font-size: 15px; margin-bottom: 3px; }
.sa-wa-contact-info span { font-size: 12px; color: #aaa; }