.customer-modal__membership-renew, .customer-modal__membership-join {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 23em;
    margin: auto;
    padding: 0 1.25em;
    background-color: #eee;
    border-radius: .5em;
    text-align: center;
    margin-block: 0 1rem;
}

.customer-modal__membership {
    border-radius: 10px;
    background: linear-gradient(0deg, #eee 0%, min(1.5rem, 10%), #eee min(10rem, 50%));
    padding: 1.25rem;
    max-width: 23rem;
    margin: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75em;
    margin-top: 0.25em;
}

.customer-modal__membership-header {
    display: flex;
    flex-direction: column;
    font-weight: bold;
}

.customer-modal__membership-header img {
    width: 11rem;
}

.customer-modal__membership-title {
    line-height: 1;
}

.customer-modal__membership-benefits {
    font-size: 0.9em;
    padding: .5rem;
}

.customer-modal__membership-fields {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.5s ease, padding 0.3s ease;
    padding: 0 0;
    display: none;
}

.customer-modal__membership-fields.open {
    max-height: 500px; /* adjust based on content */
    padding: 1rem 0;
}