.nm-newsletter-card {
    background: linear-gradient(135deg, #f8fbff 0%, #eef6ff 48%, #fff 100%);
    border-color: rgba(13, 110, 253, .18);
    box-shadow: 0 18px 46px rgba(15, 23, 42, .08);
}

.nm-signup-form .form-label {
    color: #5f6773;
    font-size: .875rem;
    font-weight: 600;
    margin-bottom: .35rem;
}

.nm-signup-form .form-control {
    border-radius: .5rem;
    min-height: 2.75rem;
}

.nm-signup-form .btn {
    border-radius: .5rem;
    font-weight: 600;
    min-height: 2.75rem;
    padding-inline: 1.15rem;
    white-space: nowrap;
}