@media (max-width: 1024px) {
    .section__title {
        font-size: 2rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .advantage__item,
    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .advantage__item--reverse {
        direction: ltr;
    }
    
    .pricing__grid,
    .team__grid,
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    
    .process__timeline {
        grid-template-columns: 1fr;
    }
    
    .process__timeline::before {
        display: none;
    }
    
    .portfolio__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section__title {
        font-size: 1.75rem;
    }
    
    .section__subtitle {
        font-size: 1rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav__menu.active {
        left: 0;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .value__grid {
        grid-template-columns: 1fr;
    }

    .footer__main {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .cta__title {
        font-size: 1.75rem;
    }

    .cta__subtitle {
        font-size: 1rem;
    }

    .qrcode__placeholder {
        width: 180px;
        height: 180px;
    }

    .qrcode__icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.5rem;
    }

    .section__title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }

    .cta__title {
        font-size: 1.5rem;
    }

    .qrcode__placeholder {
        width: 160px;
        height: 160px;
    }

    .qrcode__icon {
        font-size: 2rem;
    }

    .qrcode__hint {
        font-size: 1rem;
    }
}