@media (max-width: 820px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 0;
    }

    .main-nav {
        width: 100%;
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 42px 0;
    }
}