.customer-service-button {
    position: fixed;
    left: 18px;
    bottom: 22px;
    z-index: 1200;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 48px;
    padding: 6px 12px 6px 6px;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 999px;
    background: #176b4a;
    color: #fff;
    box-shadow: 0 10px 26px rgba(8, 43, 30, .25);
    text-decoration: none;
    transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.customer-service-button:hover {
    background: #128c5e;
    box-shadow: 0 18px 40px rgba(8, 43, 30, .34);
    transform: translateY(-2px);
}

.customer-service-button:focus-visible {
    outline: 3px solid #e5bd54;
    outline-offset: 3px;
}

.customer-service-icon {
    display: grid;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    place-items: center;
    border-radius: 50%;
    background: #fff;
}

.customer-service-icon svg {
    width: 21px;
    height: 21px;
    fill: #176b4a;
}

.customer-service-copy {
    display: grid;
    line-height: 1.15;
}

.customer-service-copy strong {
    font-size: .78rem;
    letter-spacing: .01em;
}

.customer-service-copy small {
    margin-top: 3px;
    color: rgba(255, 255, 255, .78);
    font-size: .63rem;
}

@media (max-width: 640px) {
    .customer-service-button {
        left: 13px;
        bottom: 14px;
        min-height: 44px;
        padding: 5px;
    }

    .customer-service-icon {
        width: 34px;
        height: 34px;
    }

    .customer-service-copy {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    .customer-service-button {
        transition: none;
    }
}