/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        height: auto;
    }

    .featured-card.large {
        grid-row: span 1;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 40px;
        gap: 24px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
        letter-spacing: 4px;
    }

    section {
        padding: 60px 0;
    }

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

    .newsletter-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 32px;
    }

    .newsletter-form {
        width: 100%;
        max-width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .article-header h1 {
        font-size: 28px;
    }

    .article-body {
        padding: 40px 20px;
    }

    .article-body p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .featured-grid {
        gap: 16px;
    }

    .card-content {
        padding: 16px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}