/* RESET Y VARIABLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2563eb;
    --color-secondary: #1e40af;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* HEADER */
.site-header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.site-logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.main-nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -23px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

/* ESPACIOS PUBLICITARIOS */
.ad-space {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 30px;
    text-align: center;
    font-weight: 600;
    color: #92400e;
    margin: 20px auto;
}

.top-ad {
    margin-top: 0;
}

.mid-ad {
    max-width: 1280px;
    margin: 50px auto;
    border-radius: 8px;
}

/* MAIN WRAPPER */
.main-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* CATEGORY SECTIONS */
.category-section {
    margin-bottom: 80px;
}

.category-section.alt-bg {
    background-color: var(--color-bg-alt);
    margin-left: -20px;
    margin-right: -20px;
    padding: 60px 20px;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--color-primary);
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
}

.view-more {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: transform 0.2s;
}

.view-more:hover {
    transform: translateX(4px);
}

/* FEATURED ARTICLES GRID */
.featured-articles-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.article-featured {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.07);
    transition: transform 0.3s, box-shadow 0.3s;
    background-color: var(--color-bg);
}

.article-featured:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

.article-featured.main-featured {
    grid-row: span 2;
}

.article-link {
    display: block;
    height: 100%;
}

.article-thumb {
    height: 250px;
    overflow: hidden;
}

.main-featured .article-thumb {
    height: 350px;
}

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

.article-featured:hover .article-thumb img {
    transform: scale(1.05);
}

.article-info {
    padding: 20px;
}

.main-featured .article-info {
    padding: 25px;
}

.article-category {
    display: inline-block;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--color-text);
}

.main-featured .article-title {
    font-size: 1.6rem;
}

.article-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 10px;
}

.article-date {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* REGULAR ARTICLES GRID */
.regular-articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.article-card {
    background-color: var(--color-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.article-card-link {
    display: block;
}

.article-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-content {
    padding: 18px;
}

.card-category {
    display: inline-block;
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--color-text);
}

.card-excerpt {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 10px;
}

.card-date {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* FOOTER */
.site-footer {
    background-color: #111827;
    color: #9ca3af;
    padding: 60px 20px 30px;
    margin-top: 80px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.footer-section h4 {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-section p {
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #9ca3af;
    transition: color 0.2s;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 25px;
    text-align: center;
    font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .main-nav {
        gap: 20px;
    }
    
    .featured-articles-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .article-featured.main-featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .regular-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
        gap: 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .nav-link.active::after {
        display: none;
    }
    
    .featured-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-featured.main-featured {
        grid-column: span 1;
    }
    
    .regular-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* CATEGORY PAGE SPECIFIC */
.category-page {
    margin-bottom: 60px;
}

.page-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--color-primary);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 10px;
}

.page-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.all-articles-section {
    margin-top: 60px;
}

.subsection-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--color-text);
}

/* PAGINATION */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.page-btn {
    padding: 10px 16px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-weight: 500;
    transition: all 0.2s;
}

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

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

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-btn.disabled:hover {
    background-color: var(--color-bg);
    border-color: var(--color-border);
}

/* ARTICLE PAGE STYLES */
.article-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.article-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

.full-article {
    background: white;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.article-header {
    margin-bottom: 30px;
}

.article-category-tag {
    display: inline-block;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 4px;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-main-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 20px;
}

.article-meta-info {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.article-featured-image {
    margin-bottom: 40px;
    border-radius: 10px;
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #374151;
}

.article-content .intro-paragraph {
    font-size: 1.25rem;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 30px;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text);
    margin-top: 40px;
    margin-bottom: 20px;
}

.article-content h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 30px;
    margin-bottom: 15px;
}

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

.article-content ol,
.article-content ul {
    margin-bottom: 25px;
    padding-left: 30px;
}

.article-content li {
    margin-bottom: 10px;
}

.article-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid var(--color-border);
}

.article-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.tag {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

.share-buttons p {
    font-weight: 600;
    margin: 0;
}

.share-btn {
    padding: 8px 18px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.share-btn:hover {
    background-color: var(--color-secondary);
}

/* SIDEBAR */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-ad {
    height: 600px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    text-align: center;
    border-radius: 10px;
}

.related-articles {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.related-articles h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text);
}

.related-item {
    display: block;
    margin-bottom: 20px;
    transition: transform 0.2s;
}

.related-item:hover {
    transform: translateX(5px);
}

.related-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 10px;
}

.related-item h4 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
}

@media (max-width: 1024px) {
    .article-container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: relative;
        top: 0;
    }
    
    .full-article {
        padding: 30px;
    }
    
    .article-main-title {
        font-size: 2rem;
    }
}

/* IMÁGENES DENTRO DEL ARTÍCULO */
.article-image {
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* PÁGINA LEGAL */
.legal-page {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.legal-container {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.legal-container h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.updated-date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

.legal-section h3 {
    font-size: 1.3rem;
    margin: 20px 0 10px;
    color: #34495e;
}

.legal-section p {
    line-height: 1.8;
    margin-bottom: 15px;
    color: #444;
}

.legal-section ul {
    margin: 15px 0;
    padding-left: 30px;
}

.legal-section ul li {
    margin-bottom: 10px;
    line-height: 1.6;
}