@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-popular {
        transform: none;
    }

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

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

    .dashboard-cards {
        grid-template-columns: 1fr;
    }

    .purchase-options {
        grid-template-columns: 1fr;
    }

    .preview-layout {
        grid-template-columns: 1fr;
    }

    .preview-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.25rem;
        --font-size-3xl: 1.5rem;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        box-shadow: var(--shadow-lg);
    }

    .main-nav.open {
        display: flex;
    }

    .header-actions {
        display: none;
    }

    .main-nav.open ~ .header-actions {
        display: flex;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .types-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .type-selector-grid {
        grid-template-columns: 1fr;
    }

    .letter-preview {
        padding: 30px;
        font-size: 12px;
    }

    .steps-indicator {
        flex-wrap: wrap;
    }

    .step-line {
        width: 30px;
    }

    .step-label {
        display: none;
    }

    .form-actions {
        flex-direction: column;
        gap: var(--space-md);
    }

    .form-actions .btn {
        width: 100%;
    }

    .result-actions {
        flex-direction: column;
    }

    .letter-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .letter-item-actions {
        width: 100%;
    }

    .letter-item-actions .btn {
        flex: 1;
    }

    .dashboard-header {
        flex-direction: column;
        gap: var(--space-md);
        align-items: flex-start;
    }
}