/* ==========================================================================
   Responsive — Tablet (max-width: 992px)
   ========================================================================== */

@media (max-width: 992px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

    .hero-main .hero-link {
        min-height: 320px;
    }

    .hero-side {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }

    .hero-side-item .hero-link {
        min-height: 200px;
    }

    .hero-4 {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .hero-4 .hero-item-top .hero-link,
    .hero-4 .hero-item-bottom .hero-link {
        min-height: 200px;
    }

    .hero-5 {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }

    .hero-5 .hero-item-top:nth-child(1) { grid-column: 1 / 2; }
    .hero-5 .hero-item-top:nth-child(2) { grid-column: 2 / 3; }
    .hero-5 .hero-item-bottom:nth-child(3) { grid-column: 1 / 2; }
    .hero-5 .hero-item-bottom:nth-child(4) { grid-column: 2 / 3; }
    .hero-5 .hero-item-bottom:nth-child(5) { grid-column: 1 / 3; }

    .hero-5 .hero-item-top .hero-link,
    .hero-5 .hero-item-bottom .hero-link {
        min-height: 180px;
    }

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

    .primary-menu > li > a {
        padding: 0 10px;
        font-size: 12px;
    }

    .newsletter-inner {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px;
    }

    .newsletter-form input[type="email"] {
        width: 200px;
    }

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

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

/* ==========================================================================
   Responsive — Mobile (max-width: 768px)
   ========================================================================== */

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .container {
        padding: 0 16px;
    }

    .container.has-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        padding-top: 24px;
        border-top: 2px solid var(--color-primary);
    }

    .sidebar-sticky {
        position: static;
    }

    .mobile-menu-toggle {
        display: flex;
        position: relative;
        z-index: 1002;
    }

    .header-actions {
        z-index: 1002;
        position: relative;
    }

    .main-navigation {
        position: fixed;
        top: calc(var(--header-height) + 3px);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        z-index: 1001;
        flex-direction: column;
        justify-content: flex-start;
    }

    .main-navigation.mobile-open {
        transform: translateX(0);
    }

    .primary-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .primary-menu > li > a {
        height: auto;
        padding: 14px 20px;
        font-size: 14px;
        border-bottom: 1px solid #eee;
    }

    .primary-menu > li > a::after {
        display: none;
    }

    /* Mega menu mobile */
    .mega-menu-dropdown {
        position: static;
        transform: none;
        min-width: auto;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        display: none;
    }

    .has-mega-menu.mega-open .mega-menu-dropdown {
        display: block;
        transform: none;
    }

    .mega-menu-inner {
        padding: 16px 20px;
    }

    .mega-menu-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px 16px;
    }

    .mega-menu-list li a {
        font-size: 13px;
        padding: 6px 0;
    }

    /* Standard submenus mobile */
    .primary-menu > li:not(.has-mega-menu) > .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border-top: none;
        display: none;
        background: var(--color-gray-100);
    }

    .primary-menu > li:not(.has-mega-menu).sub-open > .sub-menu {
        display: block;
    }

    .hero-carousel-track {
        height: 350px;
    }

    .hero-carousel-title {
        font-size: 22px;
    }

    .hero-carousel-excerpt {
        display: none;
    }

    .hero-carousel-dot {
        width: 30px;
        height: 30px;
        font-size: 11px;
    }

    .hero-carousel-arrow {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }

    /* Hero */
    .hero-section {
        padding: 12px 0 0;
    }

    .hero-title {
        font-size: 22px;
    }

    .hero-title-sm {
        font-size: 16px;
    }

    .hero-overlay {
        padding: 20px;
    }

    /* Grid — horizontal cards on mobile */
    .post-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .post-card {
        display: flex;
        border: none;
        border-bottom: 1px solid #eee;
    }

    .post-card-image {
        width: 130px;
        min-width: 130px;
        padding-top: 0;
    }

    .post-card-image img {
        position: static;
        width: 100%;
        height: 100%;
    }

    .post-card-content {
        padding: 12px 14px;
        flex: 1;
    }

    .post-card-title {
        font-size: 15px;
        -webkit-line-clamp: 2;
    }

    /* Single */
    .single-post-header h1 {
        font-size: 26px;
    }

    .single-content .entry-content {
        font-size: 16px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-main {
        padding: 32px 0 24px;
    }

    .footer-brand {
        padding-right: 0;
    }

    /* 404 */
    .error-404 h1 {
        font-size: 80px;
    }

    .error-404 {
        padding: 50px 0;
    }

    /* Search overlay */
    .search-overlay form {
        flex-direction: column;
    }

    .search-overlay input[type="search"] {
        border-right: 2px solid var(--color-dark);
    }

    /* Section */
    .section-title {
        font-size: 15px;
    }

    /* Author box */
    .author-box {
        flex-direction: column;
    }

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

    .author-profile-stats {
        justify-content: center;
    }

    .author-post-thumb {
        width: 120px;
        height: 90px;
    }

    .author-post-title {
        font-size: 16px;
    }

    .author-post-excerpt {
        display: none;
    }

    .newsletter-inner {
        padding: 24px 20px;
    }

    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }

    .newsletter-form input[type="email"] {
        width: 100%;
    }

    .issues-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

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

    .author-card {
        padding: 16px;
    }

    .category-banner {
        padding: 32px 0;
    }

    .category-banner-title {
        font-size: 26px;
    }

    .about-mv-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
    }

    .about-banner-title,
    .contact-banner-title {
        font-size: 26px;
    }
}

/* ==========================================================================
   Responsive — Small Mobile (max-width: 480px)
   ========================================================================== */

@media (max-width: 480px) {
    .hero-side {
        grid-template-columns: 1fr;
    }

    .hero-main .hero-link {
        min-height: 260px;
    }

    .hero-side-item .hero-link {
        min-height: 200px;
    }

    .mega-menu-list {
        grid-template-columns: 1fr;
    }

    .post-card {
        flex-direction: column;
    }

    .post-card-image {
        width: 100%;
        padding-top: 56%;
    }

    .post-card-image img {
        position: absolute;
    }
}