/* Posadas Informa - Tema Premium */
/* Paleta: Rojo #e60023, Negro #1a1a1a, Gris Oscuro #333, Blanco #fff */

:root {
    --color-primary: #e60023;
    --color-primary-dark: #b3001b;
    --color-dark: #1a1a1a;
    --color-gray: #333333;
    --color-gray-light: #f8f9fa;
    --color-border: #e0e0e0;
    --color-text: #333333;
    --color-text-light: #666666;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

/* ========== UTILIDADES DE ACCESIBILIDAD ========== */

/* Screen Reader Only - Visible solo para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ========== ESTILOS GENERALES ========== */

body {
    font-family: 'Roboto', 'Open Sans', sans-serif;
    color: var(--color-text);
    background-color: #f4f4f4;
    /* Fondo gris muy suave para resaltar las tarjetas */
    line-height: 1.6;
    margin: 0;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ========== HEADER ========== */
.pi-header {
    background-color: var(--color-dark);
    border-bottom: 3px solid var(--color-primary);
    /* Borde rojo inferior para identidad */
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.pi-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Contenedor Flex Principal */
.header-inner {
    display: flex;
    align-items: center;
    height: 80px;
    /* Altura consistente */
    gap: 40px;
    /* Separación generosa entre logo y menú */
    /* position: relative; Removido para permitir que el dropdown sea full width */
}

.logo img {
    height: 45px;
    /* Altura ajustada para balance */
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    /* Logo blanco sobre fondo oscuro */
}

/* Navegación Integrada */
.pi-nav {
    flex: 1;
    display: flex;
    align-items: center;
    background: none;
    /* Sin fondo */
    padding: 0;
    margin: 0;
    border: none;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: #ffffff;
    /* Texto blanco sobre fondo oscuro */
    font-weight: 800;
    /* Extra bold para impacto */
    text-transform: uppercase;
    font-size: 14px;
    padding: 28px 15px;
    /* Padding vertical para ocupar toda la altura del header */
    display: block;
    position: relative;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

/* Efecto Hover Nav */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    /* Línea un poco más gruesa */
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--color-primary);
    background: none;
}

/* Ajustes para Dropdown en este nuevo layout */
.pi-nav .nav-menu .dropdown {
    top: 100%;
    /* Justo debajo del header */
    border-top: 4px solid var(--color-primary);
    /* Borde superior rojo fuerte */
    margin-top: 0;
    /* Pegado al header */
}

/* Buscador y Redes */
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-links a {
    color: #ffffff;
    /* Iconos blancos sobre fondo oscuro */
    font-size: 18px;
}

.social-links a:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.search-form input {
    background: #f0f0f0;
    /* Fondo gris claro */
    border: 1px solid #e0e0e0;
    padding: 8px 15px;
    border-radius: 20px;
    color: var(--color-text);
    font-size: 13px;
    width: 180px;
    transition: all 0.3s ease;
}

.search-form input:focus {
    width: 220px;
    outline: none;
    background: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(230, 0, 35, 0.1);
}

.search-form button {
    background: none;
    border: none;
    color: #ffffff;
    /* Icono blanco */
    cursor: pointer;
    font-size: 16px;
}

.search-form button:hover {
    color: var(--color-primary);
}

/* ========== ARTÍCULOS / CARDS (SIMPLIFICADO) ========== */
.pi-main-content {
    padding: 40px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.pi-article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    /* Reducido para permitir 3 columnas */
    gap: 20px;
    /* Reducido para ganar espacio */
    padding: 0 10px;
    /* Menos padding lateral */
}

/* Tarjeta Bloque Estándar */
.pi-article-item {
    background: #ffffff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    /* Altura igual en grid */
    border: 1px solid #eaeaea;
    /* Borde sutil */
}

.pi-article-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Enlace como bloque */
.pi-article-item>a {
    display: block;
    height: auto;
    /* Permitir que crezca naturalmente */
    text-decoration: none;
    color: inherit;
}

/* Imagen con Altura Fija Ajustada */
.article-image {
    width: 100%;
    height: 180px;
    /* Altura reducida para mantener proporción */
    /* Altura fija garantizada */
    padding-top: 0;
    /* Eliminar aspect ratio hack */
    position: relative;
    background-color: #f0f0f0;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Recortar imagen para llenar el espacio */
    transition: transform 0.5s ease;
    position: relative;
    /* Ya no necesita absolute */
}

.pi-article-item:hover .article-image img {
    transform: scale(1.05);
}

/* Contenido */
.article-content {
    padding: 20px;
    background-color: #ffffff;
    display: block;
    /* Asegurar bloque */
}

.article-title {
    display: block;
    font-size: 1.1rem;
    font-weight: 800;
    color: #1a1a1a;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.article-title a:hover {
    color: var(--color-primary);
}

.article-excerpt {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
    /* Line clamp para limitar texto */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    /* Standard property */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--color-gray-light);
    font-size: 0.85rem;
    color: #999;
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-meta i {
    color: var(--color-primary);
    margin-right: 4px;
}

/* ========== ARTÍCULO INDIVIDUAL ========== */
.pi-article-page {
    background: #fff;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin: 0 20px;
}

.pi-article-page .article-header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 20px;
}

.pi-article-page .article-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.pi-article-page .article-image {
    padding-top: 0;
    height: auto;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
}

.pi-article-page .article-image img {
    position: relative;
    height: auto;
    max-height: 350px;
    /* Altura reducida */
    max-width: 800px;
    /* Ancho limitado */
    margin: 0 auto;
    /* Centrado */
    display: block;
    width: 100%;
    object-fit: cover;
}

.pi-article-page .article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

/* ========== FOOTER ========== */
.pi-footer {
    background-color: var(--color-dark);
    color: #ccc;
    padding: 60px 0 20px;
    margin-top: 60px;
    border-top: 5px solid var(--color-primary);
}

.pi-footer .footer-logo img {
    filter: brightness(0) invert(1);
    /* Convierte el logo a blanco */
    opacity: 0.9;
    height: 50px;
    /* Asegurar altura consistente */
    width: auto;
    margin-bottom: 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.footer-section h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 20px;
    border-left: 3px solid var(--color-primary);
    padding-left: 10px;
}

.footer-section a {
    color: #999;
    display: block;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-section a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* ========== DROPDOWN MENU (Mantenido y mejorado) ========== */
.pi-nav .nav-menu li.has-dropdown {
    position: static;
    /* Static para que el dropdown tome el ancho del header */
}

.pi-nav .nav-menu .dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background-color: var(--color-dark);
    border-top: 3px solid var(--color-primary);
    padding: 40px calc((100% - 1200px) / 2 + 20px);
    /* Centrar contenido visualmente */
    z-index: 1000;
    min-width: 100%;
    box-shadow: var(--shadow-lg);
    columns: 6;
    column-gap: 40px;
}

.pi-nav .nav-menu li.has-dropdown:hover .dropdown {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pi-nav .nav-menu .dropdown li {
    margin-bottom: 5px;
    break-inside: avoid;
    display: block;
}

.pi-nav .nav-menu .dropdown a {
    font-size: 13px;
    text-transform: none;
    color: #ccc;
    padding: 2px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 400;
}

.pi-nav .nav-menu .dropdown a:hover {
    color: var(--color-primary);
    padding-left: 5px;
    background: none;
}

.pi-nav .nav-menu .dropdown a::after {
    display: none;
    /* Quitar subrayado animado del menú principal */
}

/* Estilos para el botón hamburguesa (oculto en desktop) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin-left: auto;
    /* Empujar a la derecha si es necesario */
}

.menu-toggle .hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    position: relative;
    transition: all 0.3s ease;
}

.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: #ffffff;
    left: 0;
    transition: all 0.3s ease;
}

.menu-toggle .hamburger::before {
    top: -8px;
}

.menu-toggle .hamburger::after {
    bottom: -8px;
}

/* Estado activo del botón hamburguesa */
.menu-toggle.active .hamburger {
    background: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Responsive */
@media (max-width: 991px) {
    .header-inner {
        justify-content: center;
        /* Center logo */
        height: auto;
        padding: 15px 0;
        gap: 0;
    }

    .logo {
        margin: 0 auto;
        /* Center logo */
    }

    .logo img {
        height: 40px;
        /* Un poco más pequeño en móvil */
    }

    .pi-nav {
        display: none;
        /* Hide navigation in mobile */
    }

    .menu-toggle {
        display: none;
        /* Hide hamburger button in mobile */
    }

    .nav-menu {
        display: none;
        /* Ocultar menú por defecto */
        flex-direction: column;
        width: 100%;
        background: var(--color-dark);

        /* Posicionar el menú ocupando toda la pantalla */
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        /* bottom: 0; */
        height: 100vh;
        /* Altura completa de la pantalla */
        z-index: 1100;
        /* Above header (1000) and below logo/toggle (1200) */

        /* Scroll interno optimizado */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;

        /* Espaciado interno */
        padding-top: 80px;
        /* Space for header */
        padding-bottom: 20px;
        /* Espacio al final */
        margin-top: 0;
        border-top: none;
        background-color: #000000;
        /* Solid black */
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        /* Force vertical layout */
        flex-wrap: nowrap;
        /* Prevent wrapping */
        /* Mostrar cuando tiene clase active */
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }


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

    .nav-menu a {
        padding: 18px 20px;
        /* Aumentado el padding para mejor espaciado */
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        display: block;
        text-align: center;
        /* Center text as seen in screenshot */
        font-size: 15px;
        /* Ligeramente más grande para mejor legibilidad */
    }

    .nav-menu a:hover {
        background-color: rgba(255, 255, 255, 0.05);
        color: var(--color-primary);
    }

    .nav-menu a::after {
        display: none;
        /* Quitar línea animada en móvil */
    }

    /* Dropdown en móvil */
    .pi-nav .nav-menu .dropdown {
        position: static;
        display: none;
        width: 100%;
        min-width: 0;
        columns: auto;
        /* Reset columns completely */
        column-count: 1;
        /* Force single column */
        box-shadow: none;
        padding: 0;
        background: #222;
        border: none;
        margin-top: 0;
    }

    .pi-nav .nav-menu li.has-dropdown:hover .dropdown,
    .pi-nav .nav-menu li.has-dropdown.active .dropdown {
        display: block;
    }

    .pi-nav .nav-menu .dropdown a {
        padding: 15px 20px;
        /* Mejor padding para dropdown */
        padding-left: 20px;
        /* No extra indentation, center aligned */
        font-size: 14px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        text-align: center;
        background-color: #222;
    }

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

/* Sidebar Artículos Relacionados */
.related-articles {
    background: #fff;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-top: 20px;
}

.related-articles h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-dark);
}

.related-article-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.related-article-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.related-article-item a {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.related-article-image {
    flex: 0 0 100px;
    /* Thumbnail un poco más grande */
    height: 70px;
    overflow: hidden;
    border-radius: 4px;
}

.related-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-article-item a:hover .related-article-image img {
    transform: scale(1.1);
}

.related-article-content h4 {
    font-size: 0.95rem;
    line-height: 1.4;
    margin: 0;
    color: var(--color-dark);
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-article-item a:hover .related-article-content h4 {
    color: var(--color-primary);
}

/* Ajuste responsive para sidebar */
@media (max-width: 991px) {
    .related-articles {
        margin-top: 40px;
    }
}

/* ========== MOBILE OPTIMIZATIONS ========== */

/* Tablets and smaller */
@media (max-width: 768px) {

    /* Header adjustments */
    .pi-header .container {
        padding: 0 15px;
    }

    .header-inner {
        height: auto;
        padding: 12px 0;
        gap: 20px;
    }

    .logo img {
        height: 38px;
    }

    /* Hide search and social on small screens */
    .header-right {
        display: none;
    }

    /* Main content padding */
    .pi-main-content {
        padding: 25px 0;
    }

    /* Article grid - 2 columns on tablets */
    .pi-article-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 0 15px;
    }

    /* Article cards */
    .article-image {
        height: 150px;
    }

    .article-content {
        padding: 15px;
    }

    .article-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .article-excerpt {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    .article-meta {
        font-size: 0.8rem;
        padding-top: 10px;
    }

    /* Individual article page */
    .pi-article-page {
        padding: 25px 20px;
        margin: 0 15px;
    }

    .pi-article-page .article-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .pi-article-page .article-body {
        font-size: 1rem;
        line-height: 1.7;
    }

    /* Footer */
    .pi-footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }
}

/* Mobile phones */
@media (max-width: 480px) {

    /* Single column layout */
    .pi-article-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    /* Larger touch targets for mobile */
    .nav-menu a {
        padding: 18px 20px;
        font-size: 15px;
    }

    /* Article cards optimized for mobile */
    .article-image {
        height: 200px;
        /* Taller images on mobile for better visibility */
    }

    .article-content {
        padding: 18px;
    }

    .article-title {
        font-size: 1.1rem;
        line-height: 1.4;
        margin-bottom: 10px;
    }

    .article-excerpt {
        font-size: 0.9rem;
        margin-bottom: 12px;
        -webkit-line-clamp: 3;
        line-clamp: 3;
    }

    /* Better spacing for meta info */
    .article-meta {
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.8rem;
    }

    /* Individual article */
    .pi-article-page {
        padding: 20px 15px;
        margin: 0 10px;
        border-radius: 12px;
    }

    .pi-article-page .article-title {
        font-size: 1.6rem;
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .pi-article-page .article-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }

    .pi-article-page .article-image img {
        max-height: 250px;
        border-radius: 8px;
    }

    .pi-article-page .article-body {
        font-size: 1rem;
        line-height: 1.7;
    }

    /* Improve readability of article content */
    .pi-article-page .article-body p {
        margin-bottom: 1.2em;
    }

    .pi-article-page .article-body h2,
    .pi-article-page .article-body h3 {
        margin-top: 1.5em;
        margin-bottom: 0.8em;
        line-height: 1.3;
    }

    /* Related articles in sidebar */
    .related-articles {
        margin-top: 30px;
        padding: 18px;
    }

    .related-articles h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .related-article-item {
        margin-bottom: 15px;
        padding-bottom: 15px;
    }

    .related-article-image {
        flex: 0 0 80px;
        height: 60px;
    }

    .related-article-content h4 {
        font-size: 0.9rem;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    /* Footer */
    .pi-footer {
        padding: 30px 0 15px;
        margin-top: 40px;
    }

    .footer-content {
        padding: 0 15px;
        gap: 25px;
    }

    .footer-section h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .footer-section a {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .footer-bottom {
        font-size: 0.85rem;
        padding: 15px 15px 0;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .logo img {
        height: 32px;
    }

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

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

    .article-content {
        padding: 15px;
    }
}