/* ── Blog: /blog and /blog/<slug> ─────────────────────────────────────────
   Pages are rendered by the `blog` Cloud Function (functions/blog/render.js)
   inside the site's own header and footer; this file styles only what sits
   between them. Reading comfort first: a ~68-character measure, generous
   line height, headings in Outfit, body in Inter. */

.blog-index,
.blog-post {
  position: relative;
  z-index: 10;
  padding-top: 132px;
  padding-bottom: 150px; /* clears the fixed footer bar */
}

/* ── Index ── */
.blog-index-head { max-width: 680px; margin-bottom: 40px; }
.blog-index-head h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.blog-index-head p { color: var(--text-secondary); font-size: 1.05rem; margin: 0; }
.blog-index-head a { color: var(--accent-blue); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  color: inherit;
  text-decoration: none;
}
.blog-card h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
.blog-card p { margin: 0; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }
.blog-card-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted) !important;
}
.blog-card-more { margin-top: auto; padding-top: 6px; color: var(--accent-blue); font-weight: 600; font-size: 0.88rem; }
.blog-card:hover h2 { color: var(--accent-blue); }
.blog-card:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 3px; }
.blog-empty { color: var(--text-secondary); }

/* ── Post ── */
.blog-post { max-width: 760px; }
.blog-crumb { margin-bottom: 18px; }
.blog-crumb a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-blue);
  text-decoration: none;
}
.blog-crumb a::before { content: "← "; }
.blog-head h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  text-wrap: balance;
}
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 26px;
}
.blog-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-primary);
  margin: 0 0 12px;
}
.blog-section { margin-top: 38px; }
.blog-section h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  text-wrap: balance;
}
.blog-section p,
.blog-section li {
  font-size: 1.02rem;
  line-height: 1.75;
  color: #1e293b;
}
.blog-section p { margin: 0 0 16px; }
.blog-section ul { margin: 0 0 16px; padding-left: 22px; }
.blog-section li { margin-bottom: 6px; }
.blog-post a { color: var(--accent-blue); text-underline-offset: 3px; }

/* FAQ: native disclosure, no JS */
.blog-faq details {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding: 14px 0;
}
.blog-faq details:last-of-type { border-bottom: 1px solid rgba(15, 23, 42, 0.08); }
.blog-faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.blog-faq summary::-webkit-details-marker { display: none; }
.blog-faq summary::after { content: "+"; color: var(--accent-blue); font-weight: 400; font-size: 1.3rem; line-height: 1; }
.blog-faq details[open] summary::after { content: "−"; }
.blog-faq details p { margin: 10px 0 0; }
.blog-faq summary:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 3px; }

.blog-cta { margin-top: 44px; padding: 26px; }
.blog-cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 6px;
}
.blog-cta h3 { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; margin: 0 0 8px; }
.blog-cta h3 a { text-decoration: none; }
.blog-cta p { color: var(--text-secondary); margin: 0 0 16px; line-height: 1.6; }
.blog-cta .btn { color: #fff; }

.blog-sources { margin-top: 36px; }
.blog-sources h2 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
}
.blog-sources ul { margin: 0; padding-left: 18px; font-size: 0.9rem; }

@media (max-width: 768px) {
  .blog-index, .blog-post { padding-top: 104px; padding-bottom: 120px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-lead { font-size: 1.06rem; }
  .blog-section h2 { font-size: 1.28rem; }
}