/**
 * blog.css
 * Estilos para el índice del blog y artículos individuales (/blog, /blog/<slug>).
 * Depende de: base.css (variables), projects.css (.page-hd, .ph-*)
 */

/* ── Blog index — intro ─────────────────────────────────────────────── */

.blog-intro {
  position: relative;
  z-index: 1;
  padding: 1.5rem 1rem 2rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  font-size: .95rem;
  line-height: 1.75;
  max-width: 64ch;
}

/* ── Blog grid (índice) ─────────────────────────────────────────────── */

.blog-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: 1.8rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: background .3s var(--ease-out);
}

.blog-card:hover {
  background: var(--bg-raised);
}

.blog-card-tag {
  display: inline-flex;
  padding: .28rem .7rem;
  border-radius: 2px;
  background: var(--gold-dim);
  color: var(--gold);
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  align-self: flex-start;
}

.blog-card-title {
  color: var(--text);
  font-size: 1.12rem;
  font-weight: 500;
  line-height: 1.3;
}

.blog-card-excerpt {
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .25rem;
}

.blog-card-meta {
  color: var(--text-3);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .06em;
}

.blog-card-link {
  color: var(--gold);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity .2s;
}

.blog-card-link:hover {
  opacity: .75;
}

/* ── Artículo individual ────────────────────────────────────────────── */

.article-wrap {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.article-header {
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.article-tag {
  display: inline-flex;
  padding: .28rem .7rem;
  border-radius: 2px;
  background: var(--gold-dim);
  color: var(--gold);
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.article-header h1 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.article-meta {
  color: var(--text-3);
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .06em;
}

.article-meta span {
  margin: 0 .4rem;
  opacity: .45;
}

/* ── Cuerpo del artículo ────────────────────────────────────────────── */

.article-body h2 {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 2.2rem 0 .85rem;
  padding-left: .9rem;
  border-left: 2px solid var(--gold);
  color: var(--text);
}

.article-body p {
  color: var(--text-2);
  font-size: .95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.article-body ul,
.article-body ol {
  color: var(--text-2);
  font-size: .95rem;
  line-height: 1.8;
  margin: .75rem 0 1rem 1.4rem;
}

.article-body li {
  margin-bottom: .3rem;
}

.article-body strong {
  color: var(--text);
  font-weight: 600;
}

.article-body code {
  padding: .15em .4em;
  border-radius: 3px;
  background: var(--surface);
  border: 1px solid var(--border-md);
  color: var(--gold);
  font-size: .85em;
  font-family: 'Courier New', monospace;
}

/* ── Footer del artículo ────────────────────────────────────────────── */

.article-footer {
  margin-top: 3rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.article-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--text-3);
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .25s;
}

.article-back:hover {
  color: var(--gold);
}

/* ── Responsive ─────────────────────────────────────────────────────── */

@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-card {
    border-right: 1px solid var(--border);
  }

  .blog-card:nth-child(even) {
    border-right: none;
  }
}

@media (min-width: 760px) {
  .blog-card {
    padding: 2.2rem 1.5rem;
  }

  .article-wrap {
    padding: 3rem 2rem 5rem;
  }
}

@media (min-width: 1024px) {
  .blog-intro {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    max-width: 1200px;
  }

  .blog-grid {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }

  .blog-card {
    padding: 3rem 2.5rem;
    min-height: 260px;
    justify-content: space-between;
  }

  .blog-card-title {
    font-size: 1.3rem;
  }

  .blog-card-excerpt {
    -webkit-line-clamp: 3;
    font-size: .95rem;
  }

  .article-wrap {
    padding: 3.5rem 2rem 6rem;
  }
}

@media (min-width: 1280px) {
  .blog-intro,
  .blog-grid {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    max-width: 1280px;
  }
}