/*
 * blog-post.css — Estilos para páginas individuales de blog post
 * Jonathan Reyes · yosoyjonathanreyes.com
 *
 * Requiere: styles.css (cargado antes en el HTML)
 *
 * Secciones:
 *   1. Hero del post (imagen de portada + metadatos)
 *   2. Barra de progreso de lectura
 *   3. Layout del artículo (columna de contenido)
 *   4. Tipografía del artículo
 *   5. Elementos especiales (blockquote, listas, destacados)
 *   6. Tags y categorías
 *   7. Autor
 *   8. Artículos relacionados
 */


/* ─────────────────────────────────────────
   1. HERO DEL POST
   ───────────────────────────────────────── */
#post-hero {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--navy);
}

/* Imagen de portada del post */
.post-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
}

/* Gradiente oscuro que hace legible el texto sobre la imagen */
.post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 5, 9, 0.30) 0%,
    rgba(5, 5, 9, 0.55) 40%,
    rgba(5, 5, 9, 0.92) 85%,
    var(--navy) 100%
  );
  z-index: 1;
}

/* Contenido del hero: metadatos + título */
.post-hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  width: 100%;
  padding: 140px 40px 64px;
}

/* Botón volver al blog */
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 28px;
  transition: color 0.2s;
}
.post-back:hover { color: var(--green); }
.post-back svg { transition: transform 0.2s; }
.post-back:hover svg { transform: translateX(-3px); }

/* Categoría */
.post-cat-badge {
  display: inline-block;
  padding: 5px 14px;
  background: var(--green);
  border-radius: 100px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #000;
  margin-bottom: 20px;
}

/* Título del post */
.post-title {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 24px;
}

/* Meta: autor · fecha · lectura */
.post-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.post-meta-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.post-meta-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, 0.4);
  object-fit: cover;
  background: var(--glass-bg);
}

.post-meta-name {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.meta-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.post-meta-date,
.post-meta-time {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}


/* ─────────────────────────────────────────
   2. BARRA DE PROGRESO DE LECTURA
   ───────────────────────────────────────── */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--green);
  z-index: 9999;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}


/* ─────────────────────────────────────────
   3. LAYOUT DEL ARTÍCULO
   ───────────────────────────────────────── */
#post-body {
  background: var(--navy);
  position: relative;
}

.post-container {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 40px 100px;
  position: relative;
  z-index: 1;
}


/* ─────────────────────────────────────────
   4. TIPOGRAFÍA DEL ARTÍCULO
   ───────────────────────────────────────── */
.post-content {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-mid);
}

.post-content h2 {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin-top: 56px;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.post-content h3 {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: #F1F5F9;
  line-height: 1.3;
  margin-top: 40px;
  margin-bottom: 12px;
}

.post-content p {
  margin-bottom: 22px;
}

.post-content p:last-child {
  margin-bottom: 0;
}

.post-content ul,
.post-content ol {
  margin: 0 0 22px 0;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.post-content ul li,
.post-content ol li {
  color: var(--text-mid);
  line-height: 1.75;
  padding-left: 6px;
}

.post-content ul li::marker { color: var(--green); }
.post-content ol li::marker { color: var(--green); font-weight: 700; }

/* Separador de sección */
.post-content hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 48px 0;
}

/* Lead — primer párrafo destacado */
.post-lead {
  font-size: 19px;
  font-weight: 300;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 32px;
  border-left: 3px solid var(--green);
  padding-left: 20px;
}


/* ─────────────────────────────────────────
   5. ELEMENTOS ESPECIALES
   ───────────────────────────────────────── */

/* Cita destacada */
.post-content blockquote {
  position: relative;
  margin: 36px 0;
  padding: 28px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-b);
  border-left: 3px solid var(--green);
  border-radius: 0 14px 14px 0;
  backdrop-filter: var(--glass-blur);
}

.post-content blockquote p {
  font-size: 18px;
  font-style: italic;
  color: #fff;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 0;
}

.post-content blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
}

/* Caja de resumen / info */
.post-highlight {
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.18);
  border-radius: 14px;
  padding: 28px 32px;
  margin: 36px 0;
}

.post-highlight h4 {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}

.post-highlight p,
.post-highlight ul {
  margin-bottom: 0;
}

.post-highlight ul {
  margin: 0;
}

/* Imagen dentro del post */
.post-content img {
  width: 100%;
  border-radius: 14px;
  margin: 32px 0;
  border: 1px solid var(--glass-b);
}


/* ─────────────────────────────────────────
   6. TAGS
   ───────────────────────────────────────── */
.post-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 56px 0 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.post-tags-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-low);
  margin-right: 4px;
}

.post-tag {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-mid);
  transition: border-color 0.2s, color 0.2s;
}
.post-tag:hover {
  border-color: var(--green);
  color: var(--green);
}


/* ─────────────────────────────────────────
   7. AUTOR
   ───────────────────────────────────────── */
.post-author-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-top: 56px;
  padding: 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-b);
  border-radius: 18px;
  backdrop-filter: var(--glass-blur);
}

.post-author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, 0.4);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--navy-2);
}

.post-author-info h4 {
  font-size: 16px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 6px;
}

.post-author-info p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
  margin: 0;
}

.post-author-links {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.post-author-link {
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-mid);
  transition: border-color 0.2s, color 0.2s;
}
.post-author-link:hover {
  border-color: var(--green);
  color: var(--green);
}


/* ─────────────────────────────────────────
   8. ARTÍCULOS RELACIONADOS
   ───────────────────────────────────────── */
#related-posts {
  background: var(--navy-2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 80px 40px;
}

.related-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.related-title {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 32px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Tarjeta de artículo relacionado */
.related-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-b);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-4px);
}

.related-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-bottom: 1px solid var(--glass-b);
}

.related-card-img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--glass-b);
  display: flex;
  align-items: center;
  justify-content: center;
}

.related-card-body {
  padding: 20px 20px 16px;
  flex: 1;
}

.related-cat {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 8px;
  display: block;
}

.related-card-body h4 {
  font-size: 15px;
  font-weight: 700;
  color: #F1F5F9;
  line-height: 1.4;
  margin-bottom: 0;
}

.related-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: auto;
}

.related-time {
  font-size: 11px;
  color: var(--green-dim);
  font-weight: 700;
}

.related-arrow {
  color: var(--text-low);
  transition: color 0.25s, transform 0.25s;
}
.related-card:hover .related-arrow {
  color: var(--green);
  transform: translateX(3px);
}


/* ─────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────── */
@media (max-width: 768px) {
  .post-hero-content { padding: 120px 20px 48px; }
  .post-container { padding: 48px 20px 80px; }
  .post-content { font-size: 16px; }
  .post-author-card { flex-direction: column; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  #related-posts { padding: 56px 20px; }
}

@media (max-width: 560px) {
  .related-grid { grid-template-columns: 1fr; }
}