/* ============================================================
   Lumen Blog — shared styles for /blog and /blog/:slug.
   Dark glass, token-driven (docs/DESIGN_RULES.md marketing carve-out):
   reuses the same --ink/--indigo/--card tokens the app's Ink & Brass
   dark theme already defines, no page-local palette needed.
   Prefix: bl- (blog).
   ============================================================ */

.bl-page {
  min-height: 100vh;
  padding: 0 20px 80px;
  background:
    radial-gradient(110% 70% at 50% -18%, color-mix(in srgb, var(--indigo) 16%, transparent), transparent 58%),
    radial-gradient(120% 78% at 50% 42%, color-mix(in srgb, var(--indigo) 8%, transparent), transparent 68%),
    var(--paper);
  color: var(--text);
}

.bl-shell {
  max-width: 760px;
  margin: 0 auto;
}

/* ---- Nav ---- */
.bl-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 0;
  margin-bottom: 8px;
}
.bl-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.bl-logo img { width: 26px; height: 26px; }
.bl-logo-name { font-family: Georgia, serif; font-size: 17px; color: var(--text); }
.bl-nav-back {
  color: var(--text-muted);
  font-size: 14px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s ease;
}
.bl-nav-back:hover { color: var(--text); }

/* ---- Header ---- */
.bl-h1 {
  font-family: Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.9rem, 4.4vw, 2.7rem);
  line-height: 1.18;
  color: var(--text);
  margin: 0 0 14px;
}
.bl-sub {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.65;
  max-width: 58ch;
  margin: 0 0 18px;
}
.bl-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  margin-bottom: 36px;
}

/* ---- Article body (glass panel + prose) ---- */
.bl-panel {
  background: var(--card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  border-radius: 12px;
  padding: 36px 40px;
  margin-bottom: 28px;
}
@media (max-width: 560px) { .bl-panel { padding: 28px 22px; } }

.bl-article h2 {
  font-family: Georgia, serif;
  font-weight: 400;
  font-size: 22px;
  color: var(--text);
  margin: 34px 0 12px;
}
.bl-article h2:first-child { margin-top: 0; }
.bl-article p {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
  margin: 0 0 16px;
}
.bl-article p.bl-muted { color: var(--text-muted); }
.bl-article ul {
  margin: 0 0 16px;
  padding-left: 22px;
}
.bl-article li {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 8px;
}
.bl-article strong { font-weight: 500; color: var(--text); }

/* Honest-framing callout — a full even border, never a one-sided accent strip. */
.bl-callout {
  background: color-mix(in srgb, var(--amber) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--amber) 24%, transparent);
  border-radius: 12px;
  padding: 18px 22px;
  margin: 24px 0 8px;
}
.bl-callout p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
}

/* ---- FAQ ---- */
.bl-faq-title {
  font-family: Georgia, serif;
  font-weight: 400;
  font-size: 22px;
  color: var(--text);
  margin: 0 0 18px;
}
.bl-faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.03);
}
.bl-faq-q {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 8px;
}
.bl-faq-a {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

/* ---- Closing CTA ---- */
.bl-close {
  text-align: center;
  padding: 36px 0 12px;
}
.bl-close-sub { color: var(--text-muted); font-size: 14px; margin: 0 0 20px; }

/* ---- Buttons (Tier 2 basic glass ghost pill — see DESIGN_RULES) ---- */
.bl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  background: transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.bl-btn:hover { background: var(--indigo-soft); border-color: var(--indigo); color: var(--indigo); }

/* ---- Blog index list ---- */
.bl-index-list { display: flex; flex-direction: column; gap: 16px; }
.bl-card {
  display: block;
  background: var(--card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  border-radius: 12px;
  padding: 24px 28px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s cubic-bezier(0.16,1,0.3,1), box-shadow 0.22s ease;
}
.bl-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.bl-card-title {
  font-family: Georgia, serif;
  font-weight: 400;
  font-size: 19px;
  color: var(--text);
  margin: 0 0 8px;
}
.bl-card-excerpt { font-size: 14px; line-height: 1.6; color: var(--text-muted); margin: 0 0 12px; }
.bl-card-meta { font-size: 12.5px; color: var(--text-muted); }

/* ---- Footer (mirrors index.html's lp-footer) ---- */
.bl-footer { border-top: 1px solid var(--border); padding: 34px 0 20px; margin-top: 24px; }
.bl-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.bl-footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.bl-footer-link { color: var(--text-muted); font-size: 13.5px; text-decoration: none; transition: color 0.15s ease; }
.bl-footer-link:hover { color: var(--text); }
.bl-footer-copy { color: var(--text-muted); font-size: 12.5px; }