/* =====================================================
   blog.css — Estilos del blog y posts
   ===================================================== */

/* ── BLOG INDEX ── */
.posts-grid { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); }

.post-card {
  background: var(--bg); padding: 2rem 2.5rem; text-decoration: none;
  display: grid; grid-template-columns: 1fr auto; align-items: start;
  gap: 2rem; transition: background 0.2s; position: relative; overflow: hidden;
}
.post-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform 0.3s;
}
.post-card:hover { background: var(--surface); }
.post-card:hover::before { transform: scaleY(1); }

.post-tag {
  font-family: 'DM Mono', monospace; font-size: 0.68rem;
  color: var(--accent2); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 0.6rem; display: flex; align-items: center; gap: 0.4rem;
}
.post-tag::before { content: ''; width: 12px; height: 1px; background: var(--accent2); }
.post-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.15rem; color: var(--text); letter-spacing: -0.02em; margin-bottom: 0.5rem; line-height: 1.3; }
.post-excerpt { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }
.post-meta { text-align: right; }
.post-date { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--text-dim); white-space: nowrap; }
.post-read { font-family: 'DM Mono', monospace; font-size: 0.68rem; color: var(--text-dim); margin-top: 0.3rem; }
.post-arrow { font-size: 1.2rem; color: var(--border); margin-top: 0.5rem; display: block; transition: all 0.2s; }
.post-card:hover .post-arrow { color: var(--accent); transform: translate(3px,-3px); }

/* ── POST TEMPLATE ── */
.post-wrapper { max-width: 720px; margin: 0 auto; padding: 7rem 2rem 6rem; position: relative; z-index: 1; }

.post-header { margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.post-tags { display: flex; gap: 0.5rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.post-tag-badge { font-family: 'DM Mono', monospace; font-size: 0.68rem; padding: 0.2rem 0.7rem; border: 1px solid var(--border); color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.post-tag-badge.primary { border-color: rgba(0,212,255,0.4); color: var(--accent); }

.post-title-h1 { font-family: 'Syne', sans-serif; font-weight: 800; font-size: clamp(1.8rem,4vw,2.6rem); letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 1rem; color: var(--text); }
.post-excerpt-p { font-size: 1.05rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 1.5rem; }

.post-meta-bar { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.meta-item { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--text-dim); display: flex; align-items: center; gap: 0.4rem; }
.meta-dot { width: 3px; height: 3px; background: var(--border); border-radius: 50%; }

.post-body { font-size: 1.05rem; line-height: 1.85; color: var(--text-muted); }
.post-body h2 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.4rem; color: var(--text); letter-spacing: -0.02em; margin: 2.5rem 0 1rem; padding-bottom: 0.6rem; border-bottom: 1px solid var(--border); }
.post-body h3 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.1rem; color: var(--text); letter-spacing: -0.01em; margin: 2rem 0 0.8rem; }
.post-body p { margin-bottom: 1.4rem; }
.post-body strong { color: var(--text); font-weight: 500; }
.post-body a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(0,212,255,0.3); transition: border-color 0.2s; }
.post-body a:hover { border-color: var(--accent); }
.post-body ul, .post-body ol { padding-left: 1.5rem; margin-bottom: 1.4rem; }
.post-body li { margin-bottom: 0.5rem; }
.post-body li::marker { color: var(--accent); }

.post-body pre { background: var(--surface); border: 1px solid var(--border); padding: 1.5rem; margin: 1.5rem 0; overflow-x: auto; position: relative; }
.post-body pre::before { content: attr(data-lang); position: absolute; top: 0.6rem; right: 0.8rem; font-family: 'DM Mono', monospace; font-size: 0.65rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; }
.post-body code { font-family: 'DM Mono', monospace; font-size: 0.85rem; color: var(--accent3); line-height: 1.7; }
.post-body p code { background: var(--surface); border: 1px solid var(--border); padding: 0.1rem 0.4rem; font-size: 0.82rem; color: var(--accent); }

.callout { border-left: 3px solid var(--accent); background: rgba(0,212,255,0.05); padding: 1rem 1.5rem; margin: 1.5rem 0; font-size: 0.95rem; }
.callout.warning { border-color: var(--accent2); background: rgba(255,107,53,0.05); }
.callout.success { border-color: var(--accent3); background: rgba(57,211,83,0.05); }
.callout-label { font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.4rem; }
.callout.warning .callout-label { color: var(--accent2); }
.callout.success .callout-label { color: var(--accent3); }

.post-footer { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.share-label { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem; }
.share-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.share-btn { font-family: 'DM Mono', monospace; font-size: 0.75rem; padding: 0.5rem 1.2rem; background: transparent; border: 1px solid var(--border); color: var(--text-muted); text-decoration: none; letter-spacing: 0.05em; transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.4rem; }
.share-btn:hover { border-color: var(--accent); color: var(--accent); }

.newsletter-box { margin-top: 2.5rem; background: var(--surface); border: 1px solid var(--border); padding: 2rem; text-align: center; }
.newsletter-box h3 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.2rem; margin-bottom: 0.5rem; }
.newsletter-box p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.nl-form { display: flex; max-width: 400px; margin: 0 auto; }
.nl-form input { flex: 1; padding: 0.75rem 1rem; background: var(--bg); border: 1px solid var(--border); border-right: none; color: var(--text); font-family: 'DM Sans', sans-serif; font-size: 0.9rem; outline: none; }
.nl-form input::placeholder { color: var(--text-dim); }
.nl-form button { padding: 0.75rem 1.2rem; background: var(--accent); border: 1px solid var(--accent); color: var(--bg); font-family: 'DM Mono', monospace; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; transition: all 0.2s; }
.nl-form button:hover { background: transparent; color: var(--accent); }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.post-nav-link { background: var(--surface); border: 1px solid var(--border); padding: 1.2rem 1.5rem; text-decoration: none; display: block; transition: border-color 0.2s; }
.post-nav-link:hover { border-color: var(--accent); }
.post-nav-dir { font-family: 'DM Mono', monospace; font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.4rem; }
.post-nav-title { font-family: 'Syne', sans-serif; font-size: 0.9rem; font-weight: 600; color: var(--text); line-height: 1.3; }
.post-nav-link.next { text-align: right; }

@media (max-width: 700px) {
  .post-card { grid-template-columns: 1fr; }
  .post-meta { text-align: left; }
  .post-wrapper { padding: 6rem 1.2rem 4rem; }
  .post-nav { grid-template-columns: 1fr; }
}