/* ═══════════ Floating WhatsApp widget ═══════════ */
.wa-widget {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 200;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(10, 16, 23, .22);
    transition: transform .18s ease, box-shadow .18s ease;
}
.wa-widget img { width: 34px; height: 34px; display: block; }
.wa-widget:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(10, 16, 23, .3);
}
.wa-widget__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(37, 211, 102, .35);
    animation: wa-pulse 2.4s ease-out infinite;
    z-index: -1;
}
@keyframes wa-pulse {
    0%   { transform: scale(1);    opacity: .8; }
    70%  { transform: scale(1.55); opacity: 0; }
    100% { transform: scale(1.55); opacity: 0; }
}
@media (max-width: 560px) {
    .wa-widget { right: 16px; bottom: 16px; width: 52px; height: 52px; }
    .wa-widget img { width: 32px; height: 32px; }
}