.phone-fields {
    display: grid;
    grid-template-columns: minmax(120px, 0.8fr) minmax(0, 1.6fr);
    gap: 0.75rem;
}

.phone-fields .form-group {
    min-width: 0;
    margin-bottom: 0.5rem;
}

.phone-fields input {
    padding-inline: 0.75rem;
}

.phone-hint {
    margin: 0 0 1.5rem;
    font-size: 0.75rem;
    line-height: 1.5;
    color: #526173;
}

@media (max-width: 600px) {
    .phone-fields {
        grid-template-columns: 1fr;
    }
}