.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    background: #25D366;
    color: #fff;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: all 0.25s ease;
    cursor: pointer;
    text-decoration: none;
}
.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
    color: #fff;
}
.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}
.whatsapp-float .wa-tooltip {
    position: absolute;
    right: 64px;
    top: 50%;
    transform: translateY(-50%);
    background: #333;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.whatsapp-float:hover .wa-tooltip {
    opacity: 1;
}
.whatsapp-float .wa-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ef4444;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}
.whatsapp-float .wa-badge.active {
    display: flex;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}
.btn-whatsapp:hover {
    background: #1ebe5d;
    color: #fff;
}
.btn-whatsapp svg {
    width: 18px;
    height: 18px;
    fill: #fff;
    flex-shrink: 0;
}