/**
 * Responsive CSS: Media queries for smartphones, tablets, and small laptops.
 */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .portals-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .featured-blog-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .comparisons-layout {
        grid-template-columns: 1fr;
    }

    .comparisons-sidebar {
        position: static;
        max-height: 380px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-card-solid);
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .nav-links.nav-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.7);
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
        font-size: 1rem;
    }

    .hero-title {
        font-size: 2.15rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    /* Comparison Table Responsive Stack */
    .comp-table-head-row {
        display: none;
    }

    .comp-table-row {
        grid-template-columns: 1fr;
    }

    .comp-row-header {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        background: rgba(245, 158, 11, 0.1);
        padding: 0.85rem 1rem;
    }

    .comp-row-cols {
        grid-template-columns: 1fr;
    }

    .comp-cell.col-char1 {
        border-right: none;
        border-bottom: 1px dashed var(--border-subtle);
    }

    .comp-cell-char-label {
        display: block;
    }

    .comp-view-wrapper {
        padding: 1.25rem;
    }

    .comp-view-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .comp-view-title {
        font-size: 1.5rem;
    }

    .article-reader-container {
        padding: 1.5rem;
    }

    .article-main-title {
        font-size: 1.75rem;
    }

    .bookmarks-controls-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .bookmarks-tabs {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .portal-card {
        padding: 1.5rem;
    }

    .modal-card {
        max-height: 94vh;
    }

    .modal-header {
        padding: 1rem;
    }

    .modal-body {
        padding: 1rem;
    }

    .top-bar-domain {
        display: none;
    }
    
    .top-bar-inner {
        justify-content: center;
    }

    .top-bar-right {
        width: 100%;
        justify-content: space-around;
    }

    .btn-top-util {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
    }

    .cookie-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        text-align: center;
    }

    .cookie-text-box {
        flex-direction: column;
        gap: 0.35rem;
    }

    .cookie-actions {
        justify-content: center;
    }
}