/* ========================================================================
   Pixelgeometry — Blog Stylesheet
   Covers: blog/index.php + individual blog post pages
   ======================================================================== */

/* ─────────────── BLOG LISTING PAGE ─────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.blog-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--card-pad);
  display: flex;
  flex-direction: column;
  transition: border-color .2s, transform .2s;
  text-decoration: none;
  color: var(--ink);
}
.blog-card:hover {
  border-color: var(--purple);
  transform: translateY(-2px);
}
.blog-card.featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  color: var(--muted-2);
  margin-bottom: 0.85rem;
}
.blog-card-tag {
  background: rgba(68, 36, 129, 0.25);
  color: var(--purple-2);
  border: 1px solid rgba(68, 36, 129, 0.35);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.blog-card h3 {
  font-size: var(--t-2);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}
.blog-card.featured h3 { font-size: var(--t-3); }
.blog-card p {
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.25rem;
  font-size: var(--t-0);
}
.blog-card-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  color: var(--amber);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: auto;
}

/* ─────────────── BLOG POST PAGE ─────────────── */
.post-wrap {
  max-width: 52rem;
  margin: 0 auto;
  padding: var(--section-pad) var(--gutter);
}
.post-breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  color: var(--muted-2);
  margin-bottom: 2rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.post-breadcrumb a { color: var(--muted); transition: color .15s; }
.post-breadcrumb a:hover { color: var(--amber); }
.post-breadcrumb span { color: var(--muted-2); }

.post-header { margin-bottom: 2.5rem; }
.post-header-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.post-tag {
  background: rgba(68, 36, 129, 0.25);
  color: var(--purple-2);
  border: 1px solid rgba(68, 36, 129, 0.35);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.post-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  color: var(--muted-2);
}
.post-read-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  color: var(--muted-2);
}
.post-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.post-lede {
  font-size: var(--t-1);
  color: var(--muted);
  line-height: 1.75;
  border-left: 3px solid var(--purple);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

/* ─────────────── TABLE OF CONTENTS ─────────────── */
.post-toc {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
}
.post-toc-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-2);
  margin-bottom: 1rem;
}
.post-toc ol {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.post-toc li { color: var(--muted); font-size: var(--t-0); }
.post-toc a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: transparent;
  transition: color .15s, text-decoration-color .15s;
}
.post-toc a:hover { color: var(--amber); text-decoration-color: var(--amber); }

/* ─────────────── POST BODY ─────────────── */
.post-body { line-height: 1.85; color: var(--ink); }
.post-body h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 2.5rem 0 1rem;
  color: var(--ink);
  scroll-margin-top: 5rem;
}
.post-body h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 2rem 0 0.75rem;
  color: var(--ink);
  scroll-margin-top: 5rem;
}
.post-body p { margin-bottom: 1.4rem; color: var(--muted); }
.post-body p strong { color: var(--ink); }
.post-body ul, .post-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.post-body li { color: var(--muted); }
.post-body li strong { color: var(--ink); }
.post-body a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-body a:hover { color: var(--ink); }

/* Callout / highlight box */
.post-callout {
  background: rgba(68, 36, 129, 0.15);
  border: 1px solid rgba(68, 36, 129, 0.35);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  color: var(--ink);
}
.post-callout strong { color: var(--amber); }

/* Comparison table */
.post-table-wrap { overflow-x: auto; margin: 1.5rem 0; }
.post-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--t-0);
}
.post-table th {
  background: var(--paper-2);
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--t--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line-2);
}
.post-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  vertical-align: top;
}
.post-table tr:last-child td { border-bottom: none; }
.post-table .highlight td { color: var(--ink); background: rgba(68,36,129,0.1); }
.post-table .win { color: #4ade80; }
.post-table .loss { color: var(--ember); }

/* ─────────────── POST FAQ ─────────────── */
.post-faq { margin: 3rem 0; }
.post-faq h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.post-faq-item {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
}
.post-faq-item:last-child { border-bottom: 1px solid var(--line); }
.post-faq-q {
  font-weight: 700;
  margin-bottom: 0.6rem;
  font-size: var(--t-1);
}
.post-faq-a { color: var(--muted); line-height: 1.7; }

/* ─────────────── AUTHOR BOX ─────────────── */
.post-author {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin: 3rem 0;
}
.post-author-avatar {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--purple-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  color: var(--amber);
}
.post-author-body h4 {
  font-size: var(--t-1);
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.post-author-body p {
  color: var(--muted);
  font-size: var(--t-0);
  line-height: 1.65;
}

/* ─────────────── POST CTA BLOCK ─────────────── */
.post-cta-block {
  background: linear-gradient(135deg, var(--purple-3), var(--paper-2));
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin: 3rem 0;
}
.post-cta-block h3 {
  font-size: var(--t-3);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.post-cta-block p {
  color: var(--muted);
  font-size: var(--t-1);
  margin-bottom: 1.75rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.post-cta-block .btn + .btn { margin-left: 0.75rem; }

/* ─────────────── RELATED POSTS ─────────────── */
.post-related { margin-top: 3.5rem; }
.post-related h2 {
  font-size: var(--t-2);
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.post-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* ─────────────── RESPONSIVE ─────────────── */
@media (max-width: 70rem) {
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .blog-card.featured { grid-column: span 2; grid-template-columns: 1fr; }
}
@media (max-width: 50rem) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card.featured { grid-column: span 1; }
  .post-related-grid { grid-template-columns: 1fr; }
  .post-author { flex-direction: column; }
}