/* ==========================================================================
   LA ESTACIÓN DEL TREN — Estilos Principales
   Periódico Digital de Cultura, Patrimonio y Crónicas de Durán
   ========================================================================== */

/* 1. Reset y Fundamentos */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--edt-bg);
    color: var(--edt-text);
    font-family: var(--edt-font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--edt-ochre);
}

.edt-container {
    max-width: var(--edt-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. Topbar Periodística */
.edt-topbar {
    background-color: var(--edt-navy-dark);
    color: #94A3B8;
    font-family: var(--edt-font-ui);
    font-size: 0.78rem;
    border-bottom: 1px solid #1E293B;
}

.edt-topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.edt-topbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.edt-topbar-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #E2E8F0;
    font-weight: 500;
}

.edt-topbar-sep {
    color: #475569;
}

.edt-topbar-geo {
    color: #CBD5E1;
}

.edt-topbar-badge {
    background: rgba(217, 119, 6, 0.2);
    color: #FBBF24;
    border: 1px solid rgba(217, 119, 6, 0.4);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.edt-topbar-menu {
    display: flex;
    list-style: none;
    gap: 14px;
}

.edt-topbar-menu a {
    color: #94A3B8;
}

.edt-topbar-menu a:hover {
    color: #FFFFFF;
}

/* 3. Header / Masthead */
.edt-header {
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--edt-border);
}

.edt-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 20px 20px;
}

.edt-brand {
    max-width: 600px;
}

.edt-site-title {
    font-family: var(--edt-font-headline);
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--edt-navy);
    letter-spacing: -0.025em;
    line-height: 1.08;
    margin-bottom: 4px;
}

.edt-site-title a {
    color: var(--edt-navy);
}

.edt-site-title a:hover {
    color: var(--edt-ochre);
}

.edt-site-description {
    font-size: 0.88rem;
    color: var(--edt-text-secondary);
    font-family: var(--edt-font-body);
}

.edt-header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.edt-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--edt-bg-alt);
    border: 1px solid var(--edt-border);
    border-radius: var(--edt-radius);
}

.edt-badge-k0 {
    background: var(--edt-navy);
    color: #FFFFFF;
    font-family: var(--edt-font-ui);
    font-size: 0.68rem;
    font-weight: 800;
    padding: 3px 7px;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

.edt-header-time-box {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.edt-station-clock {
    font-family: var(--edt-font-ui);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--edt-navy);
    line-height: 1.1;
}

.edt-station-sub {
    font-size: 0.65rem;
    color: var(--edt-text-muted);
    text-transform: uppercase;
}

/* Buscador */
.edt-search-form {
    position: relative;
    width: 240px;
}

.edt-search-wrap {
    display: flex;
    align-items: center;
    background: #F1F5F9;
    border: 1px solid var(--edt-border);
    border-radius: 20px;
    padding: 4px 12px;
}

.edt-search-field {
    border: none;
    background: transparent;
    font-size: 0.82rem;
    width: 100%;
    outline: none;
    color: var(--edt-text);
}

.edt-search-submit {
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--edt-navy);
    display: flex;
    align-items: center;
    padding-left: 6px;
}

/* Mobile Toggle */
.edt-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 1px solid var(--edt-border);
    padding: 8px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.edt-mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--edt-navy);
    transition: all 0.3s;
}

/* 4. Barra de Navegación Principal */
.edt-nav-bar {
    background-color: var(--edt-navy);
    border-top: 1px solid var(--edt-navy-light);
    border-bottom: 2px solid var(--edt-ochre);
}

.edt-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.edt-menu li a {
    display: block;
    padding: 12px 18px;
    color: #FFFFFF;
    font-family: var(--edt-font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: all 0.2s ease;
}

.edt-menu li a:hover,
.edt-menu li.current-menu-item > a {
    background-color: var(--edt-navy-dark);
    color: #FBBF24;
}

/* 5. Cintillo de Última Hora */
.edt-ticker-bar {
    background: #FEF3C7;
    border-bottom: 1px solid #FDE68A;
    padding: 8px 0;
}

.edt-ticker-inner {
    display: flex;
    align-items: center;
    gap: 14px;
}

.edt-ticker-badge {
    background: var(--edt-ochre);
    color: #FFFFFF;
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 10px;
    border-radius: 3px;
    white-space: nowrap;
}

.edt-ticker-text {
    font-size: 0.85rem;
    color: #78350F;
    font-weight: 500;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* 6. Layout Principal de Noticias: 2 Columnas */
.edt-main {
    padding: 32px 0 60px;
}

.edt-news-grid {
    display: grid;
    grid-template-columns: 2.1fr 1fr;
    gap: 36px;
}

/* Kicker / Category Tag */
.edt-cat-tag {
    display: inline-block;
    background: var(--edt-ochre-bg);
    color: #92400E;
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    border-radius: 3px;
    margin-bottom: 8px;
}

.edt-cat-tag:hover {
    background: #FDE68A;
    color: #78350F;
}

.edt-cat-mini {
    font-size: 0.68rem;
    padding: 2px 6px;
    margin-bottom: 4px;
}

.edt-cat-floating {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 42, 74, 0.9);
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* 7. Noticia Principal de Apertura (Lead Story) */
.edt-lead-story {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 24px;
    border-bottom: 2px solid var(--edt-border);
    padding-bottom: 28px;
    margin-bottom: 32px;
}

.edt-lead-thumb-wrap {
    overflow: hidden;
    border-radius: var(--edt-radius);
    background: #E2E8F0;
    height: 100%;
    min-height: 280px;
}

.edt-lead-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.edt-lead-thumb-wrap:hover .edt-lead-img {
    transform: scale(1.03);
}

.edt-lead-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.edt-lead-title {
    font-family: var(--edt-font-headline);
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--edt-navy);
    margin-bottom: 12px;
}

.edt-lead-title a {
    color: var(--edt-navy);
}

.edt-lead-title a:hover {
    color: var(--edt-ochre);
}

.edt-lead-excerpt {
    font-size: 0.95rem;
    color: var(--edt-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.edt-lead-meta {
    font-family: var(--edt-font-ui);
    font-size: 0.78rem;
    color: var(--edt-text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.edt-meta-sep {
    color: #CBD5E1;
}

.edt-read-more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--edt-font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--edt-ochre);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.edt-read-more-link:hover {
    color: var(--edt-navy);
}

/* 8. Sección Bloques & Encabezados */
.edt-section-block {
    margin-bottom: 36px;
}

.edt-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 2px solid var(--edt-navy);
    padding-bottom: 8px;
    margin-bottom: 20px;
}

.edt-section-title {
    font-family: var(--edt-font-headline);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--edt-navy);
    position: relative;
}

.edt-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--edt-ochre);
}

.edt-section-link {
    font-family: var(--edt-font-ui);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--edt-ochre);
    text-transform: uppercase;
}

/* 9. Grid Modular (2x2 de Mini Cards) */
.edt-modular-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.edt-mini-card {
    display: flex;
    gap: 14px;
    background: #FFFFFF;
    border: 1px solid var(--edt-border);
    padding: 12px;
    border-radius: var(--edt-radius);
    transition: all 0.2s ease;
}

.edt-mini-card:hover {
    border-color: #CBD5E1;
    box-shadow: var(--edt-shadow-sm);
    transform: translateY(-2px);
}

.edt-mini-thumb-link {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 3px;
    overflow: hidden;
    background: #E2E8F0;
}

.edt-mini-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.edt-mini-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.edt-mini-title {
    font-family: var(--edt-font-headline);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--edt-navy);
    margin-bottom: 6px;
}

.edt-mini-title a {
    color: var(--edt-navy);
}

.edt-mini-title a:hover {
    color: var(--edt-ochre);
}

.edt-mini-date {
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    color: var(--edt-text-muted);
}

/* 10. Tri Cards Grid (3 Columnas) */
.edt-tri-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.edt-news-card {
    background: #FFFFFF;
    border: 1px solid var(--edt-border);
    border-radius: var(--edt-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
}

.edt-news-card:hover {
    box-shadow: var(--edt-shadow-md);
    transform: translateY(-3px);
}

.edt-card-thumb-wrap {
    position: relative;
    height: 170px;
    overflow: hidden;
    background: #E2E8F0;
}

.edt-card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.edt-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.edt-card-title {
    font-family: var(--edt-font-headline);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--edt-navy);
    margin-bottom: 8px;
}

.edt-card-title a {
    color: var(--edt-navy);
}

.edt-card-title a:hover {
    color: var(--edt-ochre);
}

.edt-card-excerpt {
    font-size: 0.85rem;
    color: var(--edt-text-secondary);
    line-height: 1.55;
    margin-bottom: 12px;
    flex-grow: 1;
}

.edt-card-meta {
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    color: var(--edt-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    border-top: 1px solid #F1F5F9;
    padding-top: 10px;
}

/* 11. Sidebar de Noticias */
.edt-sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.edt-sidebar-widget {
    background: #FFFFFF;
    border: 1px solid var(--edt-border);
    border-radius: var(--edt-radius);
    padding: 20px;
}

.edt-widget-title {
    font-family: var(--edt-font-headline);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--edt-navy);
    border-bottom: 2px solid var(--edt-navy);
    padding-bottom: 8px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.edt-widget-tag {
    font-family: var(--edt-font-ui);
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--edt-ochre);
    text-transform: uppercase;
}

/* Widget Opinión */
.edt-opinion-item {
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid #F1F5F9;
}

.edt-opinion-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.edt-opinion-title {
    font-family: var(--edt-font-headline);
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--edt-navy);
    margin-bottom: 6px;
}

.edt-opinion-title a:hover {
    color: var(--edt-ochre);
}

.edt-opinion-author-wrap {
    display: flex;
    flex-direction: column;
    font-family: var(--edt-font-ui);
}

.edt-author-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--edt-text);
}

.edt-author-role {
    font-size: 0.7rem;
    color: var(--edt-text-muted);
}

/* Widget Efeméride */
.edt-widget-efemeride {
    background: linear-gradient(135deg, var(--edt-navy) 0%, #071729 100%);
    color: #FFFFFF;
    border: none;
    position: relative;
    padding: 24px 20px;
}

.edt-efemeride-badge {
    background: var(--edt-ochre);
    color: #000000;
    font-family: var(--edt-font-ui);
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    border-radius: 3px;
    display: inline-block;
    margin-bottom: 12px;
}

.edt-efemeride-icon {
    position: absolute;
    top: 20px;
    right: 20px;
}

.edt-efemeride-headline {
    font-family: var(--edt-font-headline);
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 8px;
}

.edt-efemeride-desc {
    font-size: 0.88rem;
    color: #CBD5E1;
    line-height: 1.55;
    margin-bottom: 12px;
}

.edt-efemeride-source {
    font-family: var(--edt-font-ui);
    font-size: 0.7rem;
    color: #94A3B8;
    display: block;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 8px;
}

/* Widget Lo Más Leído */
.edt-ranked-list {
    list-style: none;
}

.edt-ranked-list li {
    display: flex;
    gap: 12px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid #F1F5F9;
}

.edt-ranked-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.edt-rank-num {
    font-family: var(--edt-font-headline);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--edt-ochre);
    line-height: 1;
    min-width: 28px;
}

.edt-rank-info {
    display: flex;
    flex-direction: column;
}

.edt-rank-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--edt-navy);
    line-height: 1.35;
    margin-bottom: 4px;
}

.edt-rank-title:hover {
    color: var(--edt-ochre);
}

.edt-rank-meta {
    font-family: var(--edt-font-ui);
    font-size: 0.7rem;
    color: var(--edt-text-muted);
}

/* Widget Agenda */
.edt-agenda-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid #F1F5F9;
}

.edt-agenda-date {
    background: #F1F5F9;
    border: 1px solid var(--edt-border);
    border-radius: 4px;
    padding: 6px 10px;
    text-align: center;
    min-width: 48px;
}

.edt-agenda-day {
    display: block;
    font-family: var(--edt-font-ui);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--edt-navy);
    line-height: 1;
}

.edt-agenda-month {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--edt-ochre);
    text-transform: uppercase;
}

.edt-agenda-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--edt-navy);
    line-height: 1.3;
}

.edt-agenda-place {
    font-size: 0.72rem;
    color: var(--edt-text-muted);
}

/* 12. Franja Inferior de Secciones (4 Columnas) */
.edt-bottom-sections {
    border-top: 2px solid var(--edt-navy);
    background: var(--edt-bg-alt);
    padding: 32px 24px;
    border-radius: var(--edt-radius);
    margin-top: 48px;
}

.edt-bottom-header {
    margin-bottom: 20px;
}

.edt-bottom-title {
    font-family: var(--edt-font-headline);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--edt-navy);
}

.edt-bottom-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.edt-bottom-col-title {
    font-family: var(--edt-font-ui);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--edt-ochre);
    border-bottom: 1px solid #CBD5E1;
    padding-bottom: 6px;
    margin-bottom: 12px;
}

.edt-bottom-links {
    list-style: none;
}

.edt-bottom-links li {
    margin-bottom: 8px;
}

.edt-bottom-links a {
    font-size: 0.85rem;
    color: var(--edt-navy);
    line-height: 1.35;
    display: block;
}

.edt-bottom-links a:hover {
    color: var(--edt-ochre);
    text-decoration: underline;
}

/* 13. Vista de Artículo (Single) */
.edt-breadcrumb {
    font-family: var(--edt-font-ui);
    font-size: 0.78rem;
    color: var(--edt-text-muted);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.edt-breadcrumb a {
    color: var(--edt-navy);
}

.edt-breadcrumb-current {
    color: var(--edt-text);
    font-weight: 600;
}

.edt-article-view {
    background: #FFFFFF;
}

.edt-article-title {
    font-family: var(--edt-font-headline);
    font-size: 2.4rem;
    font-weight: 900;
    line-height: 1.2;
    color: var(--edt-navy);
    margin: 8px 0 14px;
}

.edt-article-lead {
    font-family: var(--edt-font-headline);
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--edt-text-secondary);
    font-style: italic;
    margin-bottom: 20px;
}

.edt-article-byline {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--edt-border);
    border-bottom: 1px solid var(--edt-border);
    padding: 14px 0;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.edt-byline-avatar img {
    border-radius: 50%;
}

.edt-byline-meta {
    flex-grow: 1;
    font-family: var(--edt-font-ui);
}

.edt-byline-author {
    font-size: 0.9rem;
    color: var(--edt-navy);
}

.edt-byline-info {
    font-size: 0.75rem;
    color: var(--edt-text-muted);
    display: flex;
    gap: 8px;
}

.edt-share-strip {
    display: flex;
    gap: 8px;
}

.edt-share-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--edt-font-ui);
    font-size: 0.75rem;
    font-weight: 800;
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.2s;
}

.edt-share-btn:hover {
    opacity: 0.85;
}

.edt-share-wa { background: #25D366; }
.edt-share-x { background: #000000; }
.edt-share-fb { background: #1877F2; }
.edt-share-copy { background: var(--edt-navy); }

.edt-article-featured-media {
    margin-bottom: 28px;
    border-radius: var(--edt-radius);
    overflow: hidden;
}

.edt-article-img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
}

.edt-article-caption {
    font-size: 0.8rem;
    color: var(--edt-text-muted);
    font-style: italic;
    padding: 8px 4px;
    border-bottom: 1px solid var(--edt-border);
}

/* Tipografía del Cuerpo de Noticia */
.edt-article-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #1E293B;
}

.edt-article-body p {
    margin-bottom: 20px;
}

.edt-article-body p:first-of-type::first-letter {
    font-family: var(--edt-font-headline);
    font-size: 3.4rem;
    float: left;
    line-height: 0.8;
    padding-right: 10px;
    padding-top: 4px;
    color: var(--edt-navy);
    font-weight: 900;
}

.edt-article-body h2,
.edt-article-body h3,
.edt-article-body h4 {
    font-family: var(--edt-font-headline);
    color: var(--edt-navy);
    margin: 32px 0 16px;
    line-height: 1.3;
}

.edt-article-body blockquote {
    border-left: 4px solid var(--edt-ochre);
    background: #FFFBEB;
    padding: 18px 24px;
    margin: 28px 0;
    font-family: var(--edt-font-headline);
    font-style: italic;
    font-size: 1.15rem;
    color: #78350F;
}

/* Caja de Autor */
.edt-author-box {
    display: flex;
    gap: 20px;
    background: var(--edt-bg-alt);
    border: 1px solid var(--edt-border);
    padding: 24px;
    border-radius: var(--edt-radius);
    margin: 40px 0;
    align-items: center;
}

.edt-author-box-avatar img {
    border-radius: 50%;
}

.edt-author-box-name {
    font-family: var(--edt-font-headline);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--edt-navy);
    margin-bottom: 4px;
}

.edt-author-box-bio {
    font-size: 0.88rem;
    color: var(--edt-text-secondary);
    line-height: 1.5;
    margin-bottom: 8px;
}

.edt-author-more {
    font-family: var(--edt-font-ui);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--edt-ochre);
}

/* Navegación entre posts */
.edt-post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    border-top: 1px solid var(--edt-border);
    border-bottom: 1px solid var(--edt-border);
    padding: 20px 0;
    margin-bottom: 40px;
}

.edt-nav-label {
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--edt-ochre);
    display: block;
    margin-bottom: 4px;
}

.edt-nav-title {
    font-family: var(--edt-font-headline);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--edt-navy);
    line-height: 1.3;
}

/* 14. Footer */
.edt-footer {
    background-color: var(--edt-navy-dark);
    color: #94A3B8;
    border-top: 4px solid var(--edt-ochre);
    padding: 48px 0 24px;
}

.edt-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 36px;
    border-bottom: 1px solid #1E293B;
    padding-bottom: 36px;
    margin-bottom: 24px;
}

.edt-footer-brand {
    font-family: var(--edt-font-headline);
    font-size: 1.6rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 12px;
}

.edt-footer-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.edt-footer-badge {
    display: inline-block;
    background: rgba(217, 119, 6, 0.15);
    border: 1px solid var(--edt-ochre);
    color: #FBBF24;
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 3px;
}

.edt-footer-heading {
    font-family: var(--edt-font-ui);
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #FFFFFF;
    margin-bottom: 16px;
    position: relative;
}

.edt-footer-menu {
    list-style: none;
}

.edt-footer-menu li {
    margin-bottom: 8px;
}

.edt-footer-menu a {
    font-size: 0.85rem;
    color: #CBD5E1;
}

.edt-footer-menu a:hover {
    color: #FBBF24;
}

.edt-footer-text {
    font-size: 0.85rem;
    margin-bottom: 8px;
    line-height: 1.5;
}

.edt-footer-issn {
    font-family: var(--edt-font-ui);
    font-size: 0.72rem;
    color: #64748B;
    margin-top: 12px;
}

.edt-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    flex-wrap: wrap;
    gap: 16px;
}

.edt-footer-legal {
    display: flex;
    gap: 12px;
}

.edt-footer-legal a {
    color: #94A3B8;
}

.edt-back-top {
    background: var(--edt-navy);
    color: #FFFFFF;
    border: 1px solid #1E3A5F;
    padding: 6px 14px;
    border-radius: 4px;
    font-family: var(--edt-font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
}

.edt-back-top:hover {
    background: var(--edt-ochre);
}

/* Toast */
.edt-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--edt-navy);
    color: #FFFFFF;
    border-left: 4px solid var(--edt-ochre);
    padding: 12px 20px;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    font-family: var(--edt-font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 9999;
    opacity: 0;
    transform: translateY(12px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.edt-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 15. Responsive Media Queries */
@media (max-width: 980px) {
    .edt-news-grid {
        grid-template-columns: 1fr;
    }
    .edt-lead-story {
        grid-template-columns: 1fr;
    }
    .edt-tri-cards-grid {
        grid-template-columns: 1fr 1fr;
    }
    .edt-bottom-grid {
        grid-template-columns: 1fr 1fr;
    }
    .edt-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .edt-site-title {
        font-size: 2rem;
    }
    .edt-header-info {
        display: none;
    }
    .edt-mobile-toggle {
        display: flex;
    }
    .edt-nav-bar {
        display: none;
    }
    .edt-nav-bar.is-open {
        display: block;
    }
    .edt-menu {
        flex-direction: column;
    }
    .edt-modular-grid {
        grid-template-columns: 1fr;
    }
    .edt-tri-cards-grid {
        grid-template-columns: 1fr;
    }
    .edt-bottom-grid {
        grid-template-columns: 1fr;
    }
    .edt-footer-grid {
        grid-template-columns: 1fr;
    }
}