/* ==========================================================================
   Responsive — 768px, 1024px breakpoints
   ========================================================================== */

/* Tablet: max-width 1024px */
@media (max-width: 1024px) {
    .posts-grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .itinerary-layout {
        grid-template-columns: 1fr 280px;
        gap: 24px;
    }

    .archive-layout,
    .single-layout {
        grid-template-columns: 1fr 260px;
        gap: 24px;
    }

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

    .footer-about {
        grid-column: span 2;
    }

    .footer-destinations,
    .footer-styles {
        grid-column: span 1;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .entry-title,
    .itinerary-title {
        font-size: 1.875rem;
    }
}

/* Mobile: max-width 768px */
@media (max-width: 768px) {
    :root {
        --ft-header-height: 60px;
    }

    .container {
        padding: 0 16px;
    }

    /* Header Mobile */
    .menu-toggle {
        display: block;
    }

    .main-navigation {
        position: fixed;
        top: var(--ft-header-height);
        right: 0;
        bottom: 0;
        width: 280px;
        max-width: 75%;
        background: var(--ft-bg);
        flex-direction: column;
        align-items: stretch;
        padding: 24px 20px;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: 999;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

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

    /* 오버레이 배경 */
    .nav-overlay {
        position: fixed;
        top: var(--ft-header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 998;
    }

    .nav-overlay.is-visible {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
    }

    .nav-menu a {
        padding: 12px 16px;
        font-size: 1rem;
        border-bottom: 1px solid var(--ft-border);
    }

    .nav-menu .sub-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 16px;
        display: block;
    }

    .nav-search {
        margin-top: 16px;
    }

    .nav-search .search-field {
        width: 100%;
    }

    /* Hero */
    .hero {
        min-height: 400px;
    }

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

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

    .hero-content {
        padding: 40px 16px;
    }

    /* Sections */
    .section {
        padding: 48px 0;
    }

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

    .section-subtitle {
        margin-bottom: 32px;
    }

    /* Grids */
    .posts-grid,
    .posts-grid--3 {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

    .destination-card {
        min-height: 150px;
    }

    /* Layout */
    .archive-layout,
    .single-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .itinerary-sidebar {
        order: -1;
    }

    /* Entry */
    .entry-title,
    .itinerary-title {
        font-size: 1.5rem;
    }

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

    .entry-meta {
        flex-wrap: wrap;
        gap: 8px;
    }

    .itinerary-meta-bar {
        gap: 8px;
    }

    /* Timeline (legacy) */
    .timeline {
        padding-left: 32px;
    }

    .timeline-marker {
        left: -32px;
    }

    .timeline-content {
        padding: 16px;
    }

    /* Spots timeline (new) */
    .spots-timeline {
        padding-left: 20px;
    }

    .spot-content {
        padding: 14px 16px;
    }

    .spot-card {
        gap: 10px;
    }

    .spot-marker {
        width: 26px;
        height: 26px;
    }

    .spot-number {
        width: 24px;
        height: 24px;
        font-size: 0.688rem;
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Map */
    .map-container {
        height: 300px;
    }

    /* Lightbox */
    .ft-lightbox-prev,
    .ft-lightbox-next {
        padding: 10px;
        font-size: 1.25rem;
    }

    .ft-lightbox-prev { left: 8px; }
    .ft-lightbox-next { right: 8px; }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-about {
        grid-column: span 2;
    }

    .footer-nav {
        grid-column: span 2;
    }

    /* Filters */
    .filter-group {
        gap: 6px;
    }

    .filter-tag {
        padding: 5px 12px;
        font-size: 0.75rem;
    }

    /* Navigation */
    .post-navigation {
        flex-direction: column;
        gap: 16px;
    }

    /* 404 */
    .error-code {
        font-size: 5rem;
    }

    .error-links {
        flex-direction: column;
        align-items: center;
    }

    /* Share */
    .share-buttons {
        flex-direction: column;
    }

    /* Footer Language Selector Mobile */
    .footer-lang-list {
        gap: 4px;
    }

    .footer-lang-list a {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    /* CTA Button Mobile */
    .btn-cta-hero {
        padding: 16px 24px;
        font-size: 1rem;
        gap: 10px;
    }
}

/* Small Mobile: max-width 480px */
@media (max-width: 480px) {
    .destination-grid {
        grid-template-columns: 1fr;
    }

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