/* Blog-specific styles. Layered on top of site.css.
 * Kept global (not scoped) so markdown-rendered <h2> / <pre> / <table>
 * pick up the styles. All values resolve to site.css design tokens
 * (--fg, --bg, --accent, --line) — no hard-coded colours. */

/* ---------- HUB + CATEGORY LIST ---------- */
.blog-hero {
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.blog-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 48px 0 80px;
}
.blog-featured-grid > article {
  background: var(--bg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 220px;
}
@media (max-width: 900px) { .blog-featured-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-featured-grid { grid-template-columns: 1fr; } }

.post-card .pillar-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.post-card h3 {
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.post-card h3 a { color: var(--fg); }
.post-card h3 a:hover { color: var(--accent); }
.post-card p {
  color: var(--fg-2);
  font-size: 14px;
  margin: 0;
  line-height: 1.55;
  flex: 1;
}
.post-card .meta {
  font-family: var(--mono);
  color: var(--fg-4);
  font-size: 12px;
  margin-top: 10px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.post-card.wide {
  grid-column: span 3;
  min-height: 140px;
  flex-direction: row;
  align-items: center;
  gap: 32px;
}
@media (max-width: 900px) { .post-card.wide { grid-column: span 2; flex-direction: column; } }
@media (max-width: 600px) { .post-card.wide { grid-column: span 1; } }

.blog-latest-list {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.blog-latest-list > article {
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}
.blog-latest-list > article:last-child { border-bottom: none; }
.blog-latest-list h3 { font-size: 18px; margin-bottom: 4px; letter-spacing: -0.015em; }
.blog-latest-list p { color: var(--fg-2); font-size: 13.5px; margin: 4px 0 8px; }

/* ---------- POST SHELL ---------- */
.post-shell {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 56px;
  padding: 40px 0 96px;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 960px) {
  .post-shell { grid-template-columns: 1fr; gap: 24px; }
  .post-shell aside.post-side { order: 2; }
}

/* Crumbs */
.crumbs {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-4);
  margin-bottom: 16px;
}
.crumbs a { color: var(--fg-3); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 6px; color: var(--fg-5); }

/* Hero of a post */
.post-cover {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  display: block;
  margin-bottom: 24px;
}
.post-title {
  font-size: 44px;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 8px 0 16px;
}
.post-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg-3);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.post-meta .dot { color: var(--fg-5); }
.post-meta .pill {
  background: var(--bg-1);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* TL;DR callout */
.tldr {
  background: var(--bg-1);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0 40px;
}
.tldr h2 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.tldr ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--fg-1); }
.tldr li::before { content: '— '; color: var(--fg-4); font-family: var(--mono); }

/* Post body (markdown content) */
.post-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--fg-1);
}
.post-body > *:first-child { margin-top: 0; }
.post-body p { margin: 0 0 20px; }
.post-body h2 {
  font-size: 28px;
  letter-spacing: -0.025em;
  margin: 56px 0 18px;
  scroll-margin-top: 96px;
}
.post-body h3 {
  font-size: 20px;
  letter-spacing: -0.015em;
  margin: 36px 0 12px;
  color: var(--fg);
  scroll-margin-top: 96px;
}
.post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(124, 92, 255, 0.3);
  text-underline-offset: 3px;
}
.post-body a:hover { text-decoration-color: var(--accent); }

.post-body code:not(pre code) {
  background: var(--bg-2);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 14px;
}
.post-body pre {
  background: var(--bg-1) !important;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
  margin: 24px 0;
}
.post-body pre code { font-family: var(--mono); }

.post-body ul, .post-body ol { margin: 0 0 20px 1.4em; padding: 0; }
.post-body li { margin: 6px 0; }

.post-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 10px 20px;
  color: var(--fg-2);
  margin: 24px 0;
  font-size: 18px;
  line-height: 1.6;
  background: var(--bg-1);
  border-radius: 0 6px 6px 0;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-family: var(--mono);
  font-size: 13.5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.post-body th {
  background: var(--bg-1);
  text-align: left;
  color: var(--fg);
  font-weight: 500;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-2);
}
.post-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--fg-2);
}
.post-body tr:last-child td { border-bottom: none; }

.post-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 48px 0;
}

.post-body figure { margin: 28px 0; }
.post-body figure svg,
.post-body figure img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-1);
}
.post-body figcaption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-4);
  margin-top: 8px;
  text-align: center;
}

/* Inline callout used inside posts */
.post-body .callout {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-2);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-size: 14.5px;
}
.post-body .callout strong {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}

/* In-post CTA box */
.post-body .cta-box {
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.06), var(--bg-1) 60%);
  border-radius: 10px;
  padding: 28px;
  margin: 40px 0;
  text-align: center;
}
.post-body .cta-box h3 { font-size: 22px; margin-bottom: 8px; letter-spacing: -0.02em; }
.post-body .cta-box p { color: var(--fg-2); font-size: 14px; margin-bottom: 16px; }

/* FAQ */
.faq-block { margin: 56px 0 16px; }
.faq-block h2 { font-size: 28px; letter-spacing: -0.025em; margin-bottom: 24px; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-item h3 {
  font-size: 17px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--fg);
}
.faq-item p { color: var(--fg-2); font-size: 15px; margin: 0; line-height: 1.65; }

/* Author card at post end */
.author-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  margin: 48px 0 24px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.author-card img, .author-card .av {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--bg-2);
  flex-shrink: 0;
  border: 1px solid var(--line-2);
}
.author-card .n { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.author-card .r { font-family: var(--mono); font-size: 11px; color: var(--fg-3); margin-bottom: 8px; letter-spacing: 0.1em; text-transform: uppercase; }
.author-card .b { color: var(--fg-2); font-size: 14px; line-height: 1.55; }

/* Related posts inline list */
.related-inline {
  margin: 48px 0;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.related-inline h2 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.related-inline ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-inline li {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}
.related-inline li a { color: var(--fg); font-size: 14px; letter-spacing: -0.005em; }
.related-inline li a:hover { color: var(--accent); }
.related-inline li span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
@media (max-width: 800px) { .related-inline ul { grid-template-columns: 1fr; } }

/* ---------- SIDEBAR ---------- */
aside.post-side {
  position: sticky;
  top: 88px;
  align-self: start;
  font-size: 13.5px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
}
aside.post-side h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
  margin: 24px 0 10px;
  font-weight: 500;
}
aside.post-side h4:first-child { margin-top: 0; }
aside.post-side .toc { border-left: 1px solid var(--line); padding-left: 14px; }
aside.post-side .toc a {
  display: block;
  padding: 4px 0;
  color: var(--fg-3);
  font-size: 13px;
  line-height: 1.45;
}
aside.post-side .toc a:hover { color: var(--accent); }
aside.post-side .toc a.h3 { padding-left: 14px; font-size: 12.5px; color: var(--fg-4); }

aside.post-side .side-cta {
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.12), var(--bg-1) 70%);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 18px;
  margin-top: 24px;
}
aside.post-side .side-cta h5 { font-size: 15px; letter-spacing: -0.01em; margin-bottom: 4px; }
aside.post-side .side-cta p { font-size: 12.5px; color: var(--fg-2); margin: 0 0 10px; line-height: 1.55; }
aside.post-side .side-cta .btn { width: 100%; justify-content: center; font-size: 12px; }

aside.post-side .side-related { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
aside.post-side .side-related a { color: var(--fg-2); font-size: 13px; line-height: 1.45; }
aside.post-side .side-related a:hover { color: var(--accent); }

@media (max-width: 960px) {
  aside.post-side { position: static; max-height: none; }
}

/* ---------- CATEGORY PAGE ---------- */
.cat-list { display: flex; flex-direction: column; gap: 16px; margin: 40px 0 96px; }
.cat-list > article {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 20px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.cat-list .cover {
  width: 200px; height: 130px;
  border-radius: 6px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  object-fit: cover;
}
.cat-list h3 { font-size: 20px; letter-spacing: -0.02em; margin-bottom: 6px; }
.cat-list p { color: var(--fg-2); font-size: 14px; margin-bottom: 8px; }
.cat-list .meta { font-family: var(--mono); font-size: 12px; color: var(--fg-4); }
@media (max-width: 700px) {
  .cat-list > article { grid-template-columns: 1fr; }
  .cat-list .cover { width: 100%; height: 160px; }
}