/* ==========================================================================
   Geopolitics Tracker — Responsive Breakpoints
   ========================================================================== */

/* --- Tablet (max-width: 1024px) --- */
@media (max-width: 1024px) {
    .content-layout {
        flex-direction: column;
    }

    .content-sidebar {
        width: 100%;
    }

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

    .hero-title {
        font-size: 1.8rem;
    }

    .article-title {
        font-size: 2rem;
    }

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

    .mission-inner {
        padding: 36px 28px;
    }
}

/* --- Tablet newsletter --- */
@media (max-width: 1024px) {
    .newsletter-inner {
        padding: 36px 28px;
    }
}

/* --- Mobile (max-width: 768px) --- */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        box-shadow: var(--shadow-lg);
    }

    .main-nav.is-open {
        display: block;
    }

    .main-nav .nav-list {
        flex-direction: column;
        gap: 4px;
    }

    .nav-link {
        display: block;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        margin-top: 4px;
        padding-left: 16px;
        background: transparent;
    }

    .hero-image-wrapper {
        min-height: 300px;
    }

    .hero-image,
    .hero-image--placeholder {
        height: 300px;
    }

    .hero-overlay {
        padding: 24px 20px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-excerpt {
        display: none;
    }

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

    .single-article .article-header {
        margin-top: 24px;
        text-align: left;
    }

    .article-title {
        font-size: 1.6rem;
    }

    .article-meta {
        justify-content: flex-start;
    }

    .article-content {
        font-size: 1rem;
    }

    .article-featured-image {
        padding: 0 16px;
    }

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

    .topic-card {
        padding: 20px;
    }

    .mission-inner {
        padding: 32px 24px;
    }

    .mission-heading {
        font-size: 1.25rem;
    }

    .empty-hero {
        padding: 48px 0 24px;
    }

    .empty-hero-title {
        font-size: 1.8rem;
    }

    .article-share {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

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

    .newsletter-inner {
        padding: 32px 24px;
    }

    .article-meta {
        flex-wrap: wrap;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* --- Small mobile (max-width: 480px) --- */
@media (max-width: 480px) {
    .header-inner {
        padding: 0 16px;
    }

    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.3rem;
    }

    .article-title {
        font-size: 1.4rem;
    }

    .article-card-body {
        padding: 16px;
    }

    .article-card-image-link {
        height: 160px;
    }

    .sidebar-widget {
        padding: 16px;
    }

    .article-content h2 {
        font-size: 1.3rem;
    }

    .article-content h3 {
        font-size: 1.1rem;
    }

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

    .topic-card {
        padding: 16px;
    }

    .mission-inner {
        padding: 28px 20px;
    }
}