/*
  blog.css — Estilos del Blog · clbinformatica
  Se importa junto a styles.css para heredar todas las variables
  y componentes base (navbar, footer, botones, etc.)
*/

/* En el blog NO se usa el cursor personalizado de main.js (no se carga),
   así que restauramos el cursor normal del sistema. Sin esto el ratón
   se vería invisible porque styles.css aplica `cursor: none` al <html>. */
html { cursor: auto; }
a, button, input, textarea, select { cursor: pointer; }
input, textarea { cursor: text; }


/* ══════════════════════════════════════
   BLOG HERO
══════════════════════════════════════ */
.blog-main {
  padding-top: 80px;
}

.blog-hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.blog-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  opacity: 0.85;
}

.blog-hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-bright);
  margin-bottom: 1.25rem;
}

.blog-hero-sub {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 520px;
}


/* ══════════════════════════════════════
   GRID DE POSTS
══════════════════════════════════════ */
.blog-grid-section {
  padding: 5rem 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

/* Tarjeta base */
.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
}
.blog-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

/* Post destacado: ocupa 2 columnas */
.blog-card-featured {
  grid-column: span 2;
  flex-direction: row;
}
.blog-card-featured .blog-card-img-link {
  width: 55%;
  flex-shrink: 0;
}
.blog-card-featured .blog-card-img-link img {
  height: 100%;
}
.blog-card-featured .blog-card-body {
  padding: 2.5rem;
}
.blog-card-featured .blog-card-title { font-size: 1.4rem; }

/* Imagen de la tarjeta */
.blog-card-img-link {
  position: relative;
  display: block;
  overflow: hidden;
}
.blog-card-img-link img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
  display: block;
}
.blog-card:hover .blog-card-img-link img {
  transform: scale(1.04);
}

/* Badge de categoría */
.blog-card-cat {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(7,13,20,0.85);
  border: 1px solid var(--border-2);
  padding: 0.2rem 0.65rem;
  border-radius: 99px;
  backdrop-filter: blur(4px);
}

/* Cuerpo de la tarjeta */
.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.blog-date, .blog-read {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.blog-read::before {
  content: '· ';
  opacity: 0.4;
}

.blog-card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-bright);
}
.blog-card-title a {
  color: inherit;
  transition: color 0.15s;
}
.blog-card-title a:hover { color: var(--accent); }

.blog-card-excerpt {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}

.blog-card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  transition: gap 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
}
.blog-card-link:hover { gap: 0.5rem; }

/* CTA al final del índice */
.blog-cta {
  text-align: center;
  padding: 3rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.blog-cta p {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}


/* ══════════════════════════════════════
   PÁGINA DE POST INDIVIDUAL
══════════════════════════════════════ */

/* Hero del post */
.post-hero {
  padding: 4rem 0 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.post-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.post-breadcrumb a { color: var(--accent); transition: opacity 0.15s; }
.post-breadcrumb a:hover { opacity: 0.7; }
.post-breadcrumb span { opacity: 0.4; }

.post-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border-2);
  background: var(--accent-dim);
  padding: 0.2rem 0.75rem;
  border-radius: 99px;
  margin-bottom: 1.25rem;
}

.post-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  margin-bottom: 1.25rem;
  max-width: 760px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.post-meta-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.post-meta-author strong { color: var(--accent); }

/* Imagen de cabecera del post */
.post-cover {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
  display: block;
}


/* Contenido del artículo */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  align-items: start;
  padding: 4rem 0 5rem;
}

.post-content {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-muted);
}

/* Tipografía del artículo */
.post-content h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-bright);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.post-content h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
  margin: 2rem 0 0.75rem;
}

.post-content p { margin-bottom: 1.25rem; }

.post-content strong { color: var(--text-bright); font-weight: 500; }

.post-content em { color: var(--accent); font-style: italic; }

/* Listas */
.post-content ul, .post-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.post-content ul li { list-style: none; padding-left: 1rem; position: relative; }
.post-content ul li::before {
  content: '→';
  position: absolute;
  left: -0.5rem;
  color: var(--accent);
}
.post-content ol li { list-style: decimal; color: var(--text-muted); }
.post-content ol li::marker { color: var(--accent); }

/* Bloque destacado / aviso */
.post-tip {
  background: rgba(0,255,136,0.06);
  border: 1px solid var(--border-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.post-tip strong {
  display: block;
  color: var(--accent);
  margin-bottom: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Aviso de peligro / cuidado */
.post-warn {
  background: rgba(255,80,80,0.06);
  border: 1px solid rgba(255,80,80,0.2);
  border-left: 3px solid #ff5050;
  border-radius: 0 8px 8px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.post-warn strong {
  display: block;
  color: #ff5050;
  margin-bottom: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Imagen dentro del artículo */
.post-img {
  width: 100%;
  border-radius: 10px;
  margin: 2rem 0;
  border: 1px solid var(--border);
  display: block;
}
.post-img-caption {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -1.5rem;
  margin-bottom: 2rem;
  opacity: 0.7;
}

/* Separador */
.post-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* Bloque de código */
.post-code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--accent);
  overflow-x: auto;
  line-height: 1.6;
}

/* Tabla de precios */
.post-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.82rem;
}
.post-table th {
  background: var(--surface);
  color: var(--accent);
  font-weight: 500;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-2);
  letter-spacing: 0.04em;
}
.post-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: top;
}
.post-table tr:hover td { background: rgba(255,255,255,0.02); }
.post-table .ok { color: var(--accent); }
.post-table .warn { color: #ffb830; }
.post-table .bad { color: #ff5050; }


/* Sidebar */
.post-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Tabla de contenidos */
.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
.toc-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.toc ol {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 1rem;
}
.toc li { list-style: decimal; }
.toc li::marker { color: var(--accent); font-size: 0.7rem; }
.toc a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.15s;
  line-height: 1.5;
}
.toc a:hover { color: var(--accent); }

/* Tarjeta CTA del sidebar */
.sidebar-cta {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
}
.sidebar-cta p {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.sidebar-cta .btn {
  width: 100%;
  justify-content: center;
  font-size: 0.8rem;
  padding: 0.7rem 1rem;
}

/* Otros posts relacionados */
.related-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.related-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.related-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.875rem;
  transition: all 0.15s;
  line-height: 1.4;
}
.related-link:hover {
  border-color: var(--border-2);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Autor al pie del post */
.post-author {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 3rem;
}
.post-author-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border-2);
}
.post-author-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}
.post-author-info strong {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.25rem;
}
.post-author-info span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}


/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card-featured { flex-direction: column; }
  .blog-card-featured .blog-card-img-link { width: 100%; }
  .blog-card-featured .blog-card-img-link img { height: 220px; }
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
}

@media (max-width: 600px) {
  .post-title { font-size: 1.6rem; }
  .blog-hero-title { font-size: 2.2rem; }
}