/* Botão flutuante WhatsApp — aparece em todo o site */
.wag-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 20px;
    background: #25D366;
    color: #fff !important;
    text-decoration: none !important;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(37,211,102,.45);
    z-index: 99999;
    transition: transform .2s, box-shadow .2s;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.wag-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,.55);
}
.wag-btn svg { flex-shrink: 0; }

/* Pulsa levemente para chamar atenção */
@keyframes wag-pulse {
    0%   { box-shadow: 0 4px 16px rgba(37,211,102,.45); }
    50%  { box-shadow: 0 4px 28px rgba(37,211,102,.75); }
    100% { box-shadow: 0 4px 16px rgba(37,211,102,.45); }
}
.wag-btn { animation: wag-pulse 2.5s infinite; }