label.form-label {
    font-size: 28px;
}
.form-control {
    font-size: 28px;
}
.form-field-info {
    font-size: 28px;
}
.card-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
}

#card-number {
    grid-column: 1 / -1;
}

.stripe-input {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 14px 16px;
    background: #fff;
    width: 100%;
}

.stripe-input.focused {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

@media (max-width: 480px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    #card-expiry, #card-cvc {
        grid-column: 1 / -1;
    }
}