@media (max-width: 750px) {
    .hide-on-mobile {
        display: none;
    }

    .hamburger-btn {
        display: block;
    }

    .sidebar {
        left: 0;
        right: 0;
        width: 100%;
        min-width: 0;
        max-width: none;
        height: 100vh;
        height: 100dvh;
        padding: 20px 0;
    }

    .sidebar-content,
    .sidebar-links-container {
        width: 100%;
    }

    .sidebar-links-container {
        padding-inline: 20px;
    }

    main {
        padding-top: 112px;
    }

    h1 {
        margin-top: 0;
        margin-bottom: 22px;
        font-size: 1.5rem;
    }

    .checkout {
        width: 100%;
        padding-inline: 0;
    }

    .riot-id-info {
        width: calc(100% - 40px);
        max-width: 420px;
        gap: 10px;
        padding: 12px;
        border-radius: 10px;
    }

    .riot-id-row {
        flex-direction: column;
        gap: 10px;
    }

    .riot-id-box,
    .region-container,
    .delivery-container {
        width: 100%;
        padding: 10px 12px;
        border-radius: 8px;
    }

    .region-container,
    .delivery-container {
        margin-top: 10px;
    }

    .label {
        margin-bottom: 4px;
        font-size: 0.64rem;
    }

    .value-input,
    .region-select,
    .delivery-input {
        min-height: 30px;
        font-size: 0.84rem;
        line-height: 1.15;
    }

    .tagline-prefix {
        font-size: 0.9rem;
    }

    .total-container {
        gap: 8px;
        padding-top: 0;
    }

    .total-label,
    .total-amount-checkout {
        font-size: 0.9rem;
    }

    .buttons-container,
    .paypal-button-container {
        margin-top: 2px;
    }

    .invoice-container {
        width: calc(100% - 28px);
        padding: 14px;
    }

    .invoice-header {
        margin-bottom: 14px;
    }

    .invoice-id {
        font-size: 15px;
    }

    .invoice-info {
        flex-direction: column;
        gap: 12px;
    }

    .invoice-info-section {
        width: 100%;
        padding: 10px;
    }

    .invoice-info p {
        font-size: 0.9rem;
    }

    .products-table th,
    .products-table td {
        padding: 10px;
        font-size: 0.9rem;
    }

    .invoice-footer p {
        font-size: 1rem;
    }

    .invoice-total-value {
        font-size: 1.05rem;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-card {
        padding: 16px;
    }

    .product-image {
        width: 140px;
        height: 140px;
    }

    .product-title {
        min-height: 40px;
        font-size: 0.92rem;
    }

    footer {
        padding: 24px 18px 28px;
    }

    .footer-container {
        gap: 14px;
    }

    .footer-section {
        flex-basis: calc(50% - 14px);
        padding: 16px 18px;
    }
}