@media (max-width: 1024px) {
    .benefit-grid { grid-template-columns: repeat(2, 1fr); }
    .value-grid { grid-template-columns: 1fr; gap: 3rem; }
    .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .category-card, .category-card:nth-child(even) { flex-direction: column; }
    .category-image-wrapper { flex: none; width: 100%; height: 400px; }
    .category-content { padding: 3rem 2rem; }
}

@media (max-width: 900px) {
    .master-sponsor-card { flex-direction: column; }
    .master-logo-col { border-right: none; border-bottom: 1px solid var(--border-color); padding: 2rem; width: 100%; }
    .master-text-col { padding: 2rem; }
    .split-section { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 860px) {
    .mobile-menu-btn { display: block; }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s var(--ease-sq);
    }
    .main-nav.active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
    .nav-list { flex-direction: column; width: 100%; text-align: center; padding: 2rem 0; gap: 1.5rem; }
    .nav-link { font-size: 1.1rem; }
    .plans-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .grid-2-cols, #fundacao .grid-2-cols { grid-template-columns: 1fr !important; gap: 3rem; }
    .hero-cta { flex-direction: column; align-items: center; }
    .btn-primary, .btn-secondary { width: 100%; text-align: center; }
    .focus-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
    .card-grid-4 { grid-template-columns: 1fr; }
    .showcase-box { padding: 3rem 1.5rem; }
    .events-hub-grid { grid-template-columns: 1fr; gap: 2rem; }
    .event-hub-card { min-height: 380px; padding: 2rem 1.5rem; }
    .schedule-card { padding: 1.5rem; }
    .photo-register { padding: 2rem 1.5rem; }
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    .join-title { font-size: 2.2rem; }
    .page-hero h1 { font-size: 2.2rem !important; }
}

@media (max-width: 640px) {
    .section { padding: 4rem 0; }
    .page-hero { padding: 8rem 0 5rem; }
    .benefit-grid { grid-template-columns: 1fr; }
    .tabs { flex-direction: column; width: 100%; gap: 10px; }
    .tab-button { justify-content: center; width: 100%; font-size: 1.2rem; padding: 1rem; }
    .countdown-container { gap: 0.5rem; flex-wrap: wrap; }
    .countdown-item { padding: 0.8rem; min-width: calc(50% - 0.5rem); }
    .countdown-number { font-size: 2rem; }
    .category-image-wrapper { height: 250px; }
    .category-content { padding: 2rem 1.5rem; }
    .category-grid { gap: 2.5rem; }
    .quality-grid { grid-template-columns: 1fr; }
    .importance-list { flex-direction: column; gap: 1.5rem; }
    .sponsors-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
    .sponsor-card { height: 110px; padding: 1rem; }
    .event-details { flex-direction: column; gap: 1rem; }
    .split-box, .teaser-box { padding: 3rem 1.5rem; }
}

@media (max-width: 600px) {
    h1 { font-size: 2.2rem !important; }
    h2 { font-size: 1.8rem; }
    .event-hub-content h3 { font-size: 1.6rem; }
    .plan-card { padding: 2rem 1.5rem; }
    .benefit-card { padding: 1.5rem 1rem; }
}

@media (max-width: 480px) {
    .schedule-grid { grid-template-columns: 1fr; }
    .events-hub-grid { grid-template-columns: 1fr; }
    .event-hub-card { min-height: auto; }
    .split-box, .teaser-box { padding: 2rem 1rem; }
    .showcase-box { padding: 2rem 1rem; }
    .photo-register { padding: 1.5rem 1rem; }
    h1 { font-size: 1.8rem !important; }
    h2 { font-size: 1.5rem; }
    .page-hero h1 { font-size: 1.8rem !important; }
}