/* Floating "chat with us" button — bottom-right of the landing page, styled
   after Facebook's Messenger Chat Plugin: a dismissible greeting bubble
   beside a blue-gradient circular Messenger icon. */

.messenger-fab-wrap {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1050;
    display: flex;
    align-items: center;
    gap: 12px;
}

.messenger-fab-tooltip {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    color: #1c1e21;
    border-radius: 18px;
    padding: 12px 14px 12px 18px;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
    font-weight: 700;
    white-space: nowrap;
    animation: messenger-fab-pop 0.3s ease-out;
}

/* speech-bubble tail pointing at the circular button */
.messenger-fab-tooltip::after {
    content: "";
    position: absolute;
    right: -7px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: #ffffff;
    clip-path: polygon(0 0, 0 100%, 100% 50%);
}

.messenger-fab-tooltip-close {
    background: none;
    border: none;
    padding: 0 0 0 4px;
    font-size: 18px;
    line-height: 1;
    color: #8a8d91;
    cursor: pointer;
}

.messenger-fab-tooltip-close:hover {
    color: #1c1e21;
}

.messenger-fab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4fc3f7 0%, #0068ff 100%);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 104, 255, 0.45);
    color: #ffffff;
    transition: 0.2s ease-in-out;
    flex-shrink: 0;
}

.messenger-fab-btn:hover {
    color: #ffffff;
    transform: translateY(-3px);
}

.messenger-fab-btn i {
    font-size: 30px;
}

@keyframes messenger-fab-pop {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 575px) {
    .messenger-fab-wrap {
        right: 15px;
        bottom: 15px;
    }

    .messenger-fab-btn {
        width: 52px;
        height: 52px;
    }

    .messenger-fab-btn i {
        font-size: 26px;
    }

    .messenger-fab-tooltip {
        padding: 10px 12px 10px 14px;
        font-size: 13px;
    }
}