@media (max-width: 768px) {
    .hero-grid, .cards-grid, .pricing-grid, .about-content, .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        gap: 1rem;
    }
    .nav-menu.active {
        display: flex;
    }
    .hamburger {
        display: flex;
        flex-direction: column;
        cursor: pointer;
    }
    .hamburger span {
        width: 25px;
        height: 3px;
        background: var(--dark);
        margin: 3px 0;
        transition: 0.3s;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .page-header h1 {
        font-size: 1.8rem;
    }
    .comparacao-table {
        font-size: 0.85rem;
    }
}
@media (min-width: 769px) {
    .hamburger {
        display: none;
    }
}