/* ======================
           VARIABLES Y ESTILOS GENERALES
           ====================== */
        :root {
            --primary-color: #1a365d;
            --secondary-color: #2c5282;
            --accent-color: #4299e1;
            --light-color: #f7fafc;
            --dark-color: #2d3748;
            --success-color: #38a169;
            --warning-color: #d69e2e;
            --danger-color: #e53e3e;
            --text-color: #4a5568;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            background-color: var(--light-color);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            color: var(--primary-color);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ======================
           HEADER
           ====================== */
        .header-top {
            background-color: var(--primary-color);
            color: white;
            padding: 10px 0;
            font-size: 0.9rem;
        }

        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .contact-info span {
            margin-right: 20px;
        }

        .contact-info i, .header-social i {
            margin-right: 8px;
        }

        .header-social a {
            color: white;
            margin-left: 15px;
            transition: var(--transition);
        }

        .header-social a:hover {
            color: var(--accent-color);
        }

        /* Navegación */
        .navbar {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            position: relative;
        }

        .nav-logo img {
            height: 60px;
            width: auto;
        }

        .nav-menu {
            display: flex;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 5px;
        }

        .nav-item {
            margin: 0 8px;
        }

        .nav-link {
            font-weight: 600;
            color: var(--dark-color);
            transition: var(--transition);
            padding: 8px 12px;
            text-decoration: none;
            border-radius: 4px;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent-color);
            background-color: rgba(0, 0, 0, 0.03);
        }

        .btn-blog {
            background-color: var(--primary-color);
            color: white !important;
            padding: 8px 20px !important;
            border-radius: 5px;
            text-decoration: none;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
        }

        /* Page Header */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 60px 0;
            text-align: center;
        }

        .page-header h1 {
            color: white;
            font-size: 2.8rem;
            margin-bottom: 15px;
        }

        .page-header h1 i {
            color: var(--accent-color);
            margin-right: 15px;
        }

        .page-header p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ======================
           LAYOUT PRINCIPAL
           ====================== */
        .blog-container {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            max-width: 1200px;
            margin: 50px auto;
            padding: 0 20px;
        }

        /* Sidebar */
        .sidebar {
            width: 100%;
            max-width: 320px;
        }

        .sidebar-card {
            background: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            overflow: hidden;
            margin-bottom: 30px;
            transition: var(--transition);
            border-top: 4px solid var(--accent-color);
        }

        .sidebar-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .card-header {
            background-color: var(--light-color);
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .card-header h3, .card-header h4 {
            margin: 0;
            font-size: 1.3rem;
        }

        .card-header i {
            color: var(--accent-color);
            margin-right: 10px;
        }

        .card-content {
            padding: 20px;
        }

        .welcome-text p {
            margin-bottom: 15px;
        }

        .highlight {
            background: linear-gradient(90deg, rgba(66, 153, 225, 0.1), transparent);
            border-left: 4px solid var(--accent-color);
            padding: 15px;
            margin-top: 15px;
        }

        .card-footer {
            padding: 15px 20px;
            background-color: var(--light-color);
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-color);
        }

        /* Búsqueda */
        .search-form {
            display: flex;
            gap: 10px;
        }

        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
        }

        .search-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }

        .search-btn:hover {
            background: var(--accent-color);
            transform: translateY(-2px);
        }

        .search-info {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-color);
        }

        .search-info a {
            color: var(--accent-color);
            text-decoration: none;
        }

        .search-info a:hover {
            text-decoration: underline;
        }

        /* ======================
           POSTS SECTION - MEJORADA
           ====================== */
        .posts-section {
            flex: 1;
            min-width: 300px;
        }

        .post-card {
            background: white;
            border-radius: 16px;
            box-shadow: var(--shadow);
            overflow: hidden;
            margin-bottom: 40px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-color);
        }

        .post-header {
            padding: 24px 28px 12px 28px;
        }

        .category-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 30px;
            color: white;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            background-color: var(--accent-color);
        }

        .post-card h2 {
            font-size: 1.7rem;
            margin-bottom: 12px;
            color: var(--primary-color);
            line-height: 1.3;
        }

        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-color);
            font-size: 0.85rem;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .meta-item i {
            color: var(--accent-color);
            margin-right: 6px;
        }

        /* Contenedor de imagen con relación fija */
        .post-image-container {
            position: relative;
            overflow: hidden;
            background-color: #f0f2f5;
            aspect-ratio: 16 / 9;
            cursor: pointer;
        }

        .post-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

        .post-image-container:hover .post-image {
            transform: scale(1.05);
        }

        .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
            color: white;
            padding: 15px;
            text-align: center;
            opacity: 0;
            transition: opacity 0.3s ease;
            font-size: 0.9rem;
        }

        .post-image-container:hover .image-overlay {
            opacity: 1;
        }

        .image-placeholder {
            background: var(--light-color);
            padding: 60px;
            text-align: center;
            color: var(--text-color);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .image-placeholder i {
            font-size: 3rem;
            margin-bottom: 10px;
            color: var(--border-color);
        }

        .post-content {
            padding: 24px 28px;
            line-height: 1.7;
            flex-grow: 1;
        }

        .post-content p {
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 0;
        }

        .post-footer {
            padding: 20px 28px;
            background: var(--light-color);
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .read-more-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
        }

        .read-more-btn:hover {
            background: var(--accent-color);
            transform: translateY(-2px);
        }

        .social-share {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .social-share span {
            font-size: 0.85rem;
            color: var(--text-color);
        }

        .share-btn {
            color: var(--text-color);
            transition: var(--transition);
            cursor: pointer;
            font-size: 1.1rem;
        }

        .share-btn:hover {
            color: var(--accent-color);
            transform: translateY(-2px);
        }

        /* Paginación */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 45px;
            height: 45px;
            padding: 0 12px;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .page-btn:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        .page-btn.active {
            background: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
        }

        /* Sin posts */
        .no-posts {
            background: white;
            border-radius: 16px;
            padding: 60px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .no-posts i {
            font-size: 4rem;
            color: var(--border-color);
            margin-bottom: 20px;
        }

        .no-posts h3 {
            margin-bottom: 10px;
        }

        /* Resultados de búsqueda */
        .search-results-info {
            background: white;
            border-radius: 12px;
            padding: 15px 20px;
            margin-bottom: 30px;
            border-left: 4px solid var(--accent-color);
            box-shadow: var(--shadow);
        }

        .search-results-info p {
            margin: 0;
            color: var(--text-color);
        }

        .search-results-info strong {
            color: var(--primary-color);
        }

        /* ======================
           FOOTER
           ====================== */
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 50px 0 30px;
            margin-top: auto;
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 30px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .footer-logo i {
            font-size: 2.5rem;
            color: var(--accent-color);
        }

        .footer-logo h4 {
            color: white;
            margin-bottom: 5px;
        }

        .footer-logo p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
        }

        .footer-links {
            text-align: right;
        }

        .footer-links p {
            margin-bottom: 15px;
            color: rgba(255, 255, 255, 0.7);
        }

        .link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .link-group a {
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .link-group a:hover {
            color: var(--accent-color);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ======================
           LIGHTBOX
           ====================== */
        .lightbox {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.95);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .lightbox.active {
            display: flex;
        }

        .lightbox-content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
        }

        .lightbox-content img {
            max-width: 100%;
            max-height: 80vh;
            border-radius: 8px;
        }

        .lightbox-close {
            position: absolute;
            top: -40px;
            right: 0;
            color: white;
            font-size: 2rem;
            cursor: pointer;
        }

        .lightbox-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            color: white;
            font-size: 2rem;
            cursor: pointer;
            padding: 15px;
        }

        .lightbox-nav.left {
            left: -60px;
        }

        .lightbox-nav.right {
            right: -60px;
        }

        .lightbox-nav:hover {
            color: var(--accent-color);
        }

        .lightbox-info {
            position: absolute;
            bottom: -50px;
            left: 0;
            width: 100%;
            text-align: center;
            color: white;
        }

        /* ======================
           RESPONSIVE MEJORADO
           ====================== */
        @media (max-width: 992px) {
            .blog-container {
                flex-direction: column;
            }
            
            .sidebar {
                max-width: 100%;
            }
            
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-links {
                text-align: center;
            }
            
            .link-group {
                justify-content: center;
            }
            
            .lightbox-nav.left {
                left: 10px;
            }
            
            .lightbox-nav.right {
                right: 10px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: white;
                box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
                padding-top: 80px;
                transition: right 0.3s ease;
                z-index: 999;
            }
            
            .nav-menu.active {
                right: 0;
            }
            
            .nav-list {
                flex-direction: column;
                padding: 20px;
            }
            
            .nav-item {
                margin: 12px 0;
            }
            
            .page-header h1 {
                font-size: 2rem;
            }
            
            .page-header p {
                font-size: 1rem;
            }
            
            .post-card h2 {
                font-size: 1.4rem;
            }
            
            .post-header, .post-content, .post-footer {
                padding: 20px;
            }
            
            .post-content p {
                -webkit-line-clamp: 5;
            }
        }

        @media (max-width: 480px) {
            .header-top .container {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            
            .contact-info span {
                display: inline-block;
                margin: 0 5px;
            }
            
            .page-header h1 {
                font-size: 1.8rem;
            }
            
            .page-header h1 i {
                margin-right: 8px;
            }
            
            .post-card h2 {
                font-size: 1.3rem;
            }
            
            .post-meta {
                gap: 12px;
                font-size: 0.75rem;
            }
            
            .read-more-btn {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            
            .social-share span {
                font-size: 0.75rem;
            }
            
            .share-btn {
                font-size: 1rem;
            }
        }