/**
 * Blog Styles - La Gráfica Tenerife
 * Rediseño Premium: Dark Mode, Glassmorphism y Estética CMYK
 */

/* ============================================
   BLOG HEADER (HERO)
   ============================================ */
.blog-header-section {
    padding: 120px 0 80px;
    background: var(--color-black);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40vh;
}

.blog-header-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, rgba(230, 57, 70, 0.1) 40%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.blog-header-content {
    position: relative;
    z-index: 10;
}

.blog-title {
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 900;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.blog-title .cmyk-text {
    background: linear-gradient(90deg, #00B4D8, #E63946, #FFD60A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(0, 180, 216, 0.5));
}

.blog-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   FILTERS
   ============================================ */
.blog-filters-wrapper {
    background: var(--color-black);
    padding: 20px 0;
    position: sticky;
    top: 60px;
    z-index: 50;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.blog-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    border-color: var(--color-cyan);
    background: rgba(0, 180, 216, 0.05);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--color-cyan);
    border-color: var(--color-cyan);
    color: var(--color-black);
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.4);
}

/* ============================================
   GRID & CARDS
   ============================================ */

/* Scroll reveal gestionado via inline styles en blog.js (opacity inline).
   No hay clases CSS de opacity aquí para no conflictuar con Isotope.
   La animación de filter (fade) la ejecuta Isotope via hiddenStyle/visibleStyle. */

/* Filtros siempre visibles — nunca afectados por GSAP global */
.blog-filters,
.blog-filters .filter-btn {
    opacity: 1 !important;
    visibility: visible !important;
}

.blog-grid-section {
    padding: 80px 0;
    background: var(--color-black);
    position: relative;
}

.blog-grid {
    margin: 0 -15px;
    display: flex;
    flex-wrap: wrap;
}

.blog-post {
    width: calc(33.333% - 30px);
    margin: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    /* Propiedades específicas — evita múltiples transitionend que confunden a Isotope */
    transition: opacity 0.4s ease,
                border-color 0.3s ease,
                box-shadow 0.3s ease,
                background-color 0.3s ease;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(5px);
}

.blog-post:hover {
    transform: translateY(-12px);
    border-color: rgba(0, 180, 216, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.post-thumbnail {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.blog-post:hover .post-thumbnail img {
    transform: scale(1.1);
}

.post-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--color-magenta);
    color: var(--color-white);
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}

.post-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
    line-height: 1.3;
    font-weight: 700;
}

.post-title a {
    color: var(--color-white);
    text-decoration: none;
    transition: color 0.3s;
}

.post-title a:hover {
    color: var(--color-cyan);
}

.post-excerpt {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-meta {
    display: flex;
    gap: 15px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray-600);
    font-size: 0.8rem;
    font-family: var(--font-accent);
}

.post-readmore {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    color: var(--color-cyan);
    font-weight: 800;
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   SINGLE POST STYLES
   ============================================ */
.single-post-page {
    background: var(--color-black);
    color: var(--color-white);
}

.post-hero {
    height: 70vh;
    min-height: 500px;
    position: relative;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.post-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(26, 26, 26, 0.4) 0%, 
        var(--color-black) 100%);
}

.post-hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.post-hero-content .post-category {
    position: relative;
    top: auto;
    left: auto;
    display: inline-block;
    margin-bottom: 20px;
}

.single-post-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin: 15px 0 30px;
    color: var(--color-white);
}

.post-meta-detailed {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    color: var(--gray-400);
    font-size: 0.9rem;
    font-family: var(--font-accent);
}

.post-meta-detailed i {
    color: var(--color-cyan);
    margin-right: 8px;
}

.post-entry-content {
    padding: 80px 0;
    font-size: 1.15rem;
    line-height: 1.8;
}

.post-entry-content p {
    margin-bottom: 30px;
    color: var(--gray-300);
}

.post-entry-content h1 {
    display: none;
}

.post-entry-content h2, 
.post-entry-content h3 {
    color: var(--color-white);
    margin-top: 60px;
    margin-bottom: 25px;
    font-family: var(--font-heading);
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
}

.post-tags {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tags-label {
    font-weight: 700;
    color: var(--color-white);
    margin-right: 10px;
}

.post-navigation {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.related-posts .section-title {
    color: var(--color-white);
    margin-bottom: 40px;
}

.nav-links-wrapper {
    display: flex;
    justify-content: space-between;
}

.nav-links-wrapper a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: color 0.3s;
}

.nav-links-wrapper a:hover {
    color: var(--color-cyan);
}

/* Newsletter CMYK */
.blog-newsletter {
    padding: 100px 0;
    background: var(--gray-900);
}

.newsletter-box {
    background: var(--color-black);
    padding: 60px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
}

.newsletter-box::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-cyan), var(--color-magenta), var(--color-yellow));
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .blog-post { width: calc(50% - 30px); }
}

@media (max-width: 600px) {
    .blog-post { width: calc(100% - 30px); }
    .blog-title { font-size: 3.5rem; }
    .newsletter-box { padding: 30px; }
}

/* ============================================
   MARKDOWN TYPOGRAPHY
   ============================================ */
.post-entry-content ul, 
.post-entry-content ol {
    margin-bottom: 30px;
    padding-left: 20px;
    color: var(--gray-300);
}

.post-entry-content li {
    margin-bottom: 15px;
}

.post-entry-content strong, 
.post-entry-content b {
    color: var(--color-white);
    font-weight: 700;
}

.post-entry-content blockquote {
    border-left: 4px solid var(--color-cyan);
    padding: 20px 30px;
    margin: 40px 0;
    background: rgba(0, 180, 216, 0.05);
    border-radius: 0 10px 10px 0;
    font-style: italic;
    color: var(--color-white);
    font-size: 1.25rem;
}

.post-entry-content blockquote p {
    margin-bottom: 0;
}

.post-entry-content a {
    color: var(--color-cyan);
    text-decoration: none;
    border-bottom: 1px dashed var(--color-cyan);
    transition: all 0.3s ease;
}

.post-entry-content a:hover {
    color: var(--color-magenta);
    border-bottom-color: var(--color-magenta);
}

.post-entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    margin: 40px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: block;
}

.post-entry-content hr {
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 50px 0;
}

/* ============================================
   LIGHT MODE OVERRIDES — Blog
   El blog fue diseñado "native dark". En dark
   mode no cambia nada. En light mode estas
   reglas activan la versión clara.
   ============================================ */

[data-theme="light"] .blog-header-section {
    background: var(--bg-secondary);
}
[data-theme="light"] .blog-title {
    color: var(--text-heading);
}
[data-theme="light"] .blog-subtitle {
    color: var(--text-secondary);
}

[data-theme="light"] .blog-filters-wrapper {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--divider);
}
[data-theme="light"] .filter-btn {
    color: var(--text-primary);
    background: var(--card-bg);
    border-color: var(--card-border);
}
[data-theme="light"] .filter-btn:hover {
    border-color: var(--color-cyan);
    background: rgba(0, 180, 216, 0.06);
    color: var(--text-primary);
}
[data-theme="light"] .filter-btn.active {
    background: var(--color-cyan);
    border-color: var(--color-cyan);
    color: #ffffff;
}

[data-theme="light"] .blog-grid-section {
    background: var(--bg-primary);
}
[data-theme="light"] .blog-post {
    background: var(--card-bg);
    border-color: var(--card-border);
    box-shadow: var(--shadow-mode);
    backdrop-filter: none;
}
[data-theme="light"] .blog-post:hover {
    background: var(--card-bg);
    border-color: rgba(0, 180, 216, 0.35);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .post-title a {
    color: var(--text-heading);
}
[data-theme="light"] .post-title a:hover {
    color: var(--color-cyan);
}
[data-theme="light"] .post-excerpt {
    color: var(--text-secondary);
}
[data-theme="light"] .post-meta {
    color: var(--text-secondary);
    border-top-color: var(--divider);
}

[data-theme="light"] .blog-newsletter {
    background: var(--bg-secondary);
}
[data-theme="light"] .newsletter-box {
    background: var(--card-bg);
    border-color: var(--card-border);
}

/* Single post en light mode */
[data-theme="light"] .single-post-page {
    background: var(--bg-primary);
    color: var(--text-primary);
}
[data-theme="light"] .post-entry-content p {
    color: var(--text-primary);
}
[data-theme="light"] .post-entry-content strong,
[data-theme="light"] .post-entry-content b {
    color: var(--text-heading);
}
[data-theme="light"] .post-entry-content h2,
[data-theme="light"] .post-entry-content h3 {
    color: var(--text-heading);
}
[data-theme="light"] .post-entry-content ul,
[data-theme="light"] .post-entry-content ol {
    color: var(--text-primary);
}
[data-theme="light"] .post-entry-content hr {
    border-top-color: var(--divider);
}
[data-theme="light"] .post-tags {
    border-top-color: var(--divider);
}
[data-theme="light"] .post-navigation {
    border-top-color: var(--divider);
}
[data-theme="light"] .nav-links-wrapper a {
    color: var(--text-heading);
}
[data-theme="light"] .related-posts .section-title {
    color: var(--text-heading);
}