/* ============================================================
   Tenzing AI — blog.css
   Styles for individual blog post pages
   ============================================================ */

.blog-post-main {
  padding-top: 80px; /* navbar height */
}

/* ── Hero ───────────────────────────────────────────────── */
.blog-post-hero {
  background: var(--navy-deep);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
  max-width: 1160px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.blog-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.blog-hero-visual svg {
  width: min(260px, 100%);
  height: auto;
  filter: drop-shadow(0 0 40px rgba(0, 180, 204, 0.2));
}

.blog-post-category {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  background: rgba(0, 180, 204, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0, 180, 204, 0.25);
}

.blog-post-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--white);
}

.blog-post-intro {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.blog-post-meta {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ── Body ───────────────────────────────────────────────── */
.blog-post-body {
  padding-top: 64px;
  padding-bottom: 80px;
  max-width: 760px;
  margin: 0 auto;
}

.blog-lead {
  font-size: 19px;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 32px;
  font-weight: 400;
}

.blog-post-body h2 {
  font-size: 26px;
  color: var(--white);
  margin-top: 52px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.blog-post-body h3 {
  font-size: 19px;
  color: var(--white);
  margin-top: 32px;
  margin-bottom: 12px;
}

.blog-post-body p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 24px 0;
  padding-left: 24px;
}

.blog-post-body li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.blog-post-body li strong {
  color: var(--text-primary);
}

/* ── Image placeholders ─────────────────────────────────── */
.blog-image-block {
  margin: 40px 0;
}

.blog-image-placeholder {
  background: var(--navy-card);
  border: 1px solid rgba(0, 180, 204, 0.15);
  border-radius: 12px;
  padding: 40px 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.blog-image-placeholder svg {
  width: min(280px, 100%);
  height: auto;
}

.blog-image-placeholder span {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.7;
  font-style: italic;
}

/* ── Callout block ──────────────────────────────────────── */
.blog-callout {
  background: rgba(0, 180, 204, 0.08);
  border-left: 3px solid var(--teal);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
}

.blog-callout strong {
  color: var(--teal);
  display: block;
  margin-bottom: 6px;
}

/* ── Formula block ──────────────────────────────────────── */
.blog-formula {
  background: var(--navy-card);
  border: 1px solid rgba(0, 180, 204, 0.15);
  border-radius: 12px;
  padding: 28px;
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.formula-step {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
}

.formula-step.highlight {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 180, 204, 0.2);
  font-size: 15px;
}

.formula-label {
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  padding: 6px 12px;
  border-radius: 6px;
}

.formula-symbol {
  color: var(--teal);
  font-weight: 700;
  font-size: 18px;
}

/* ── Comparison table ───────────────────────────────────── */
.blog-comparison-table {
  border: 1px solid rgba(0, 180, 204, 0.15);
  border-radius: 12px;
  overflow: hidden;
  margin: 32px 0;
}

.comparison-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 0;
}

.comparison-row.header {
  background: rgba(0, 180, 204, 0.08);
}

.comparison-row > span {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.comparison-row.header > span {
  font-weight: 600;
  color: var(--teal);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-row > span:not(:last-child) {
  border-right: 1px solid rgba(255,255,255,0.04);
}

/* ── CTA box ────────────────────────────────────────────── */
.blog-cta-box {
  background: var(--navy-card);
  border: 1px solid rgba(0, 180, 204, 0.25);
  border-radius: 16px;
  padding: 40px;
  margin-top: 60px;
  text-align: center;
}

.blog-cta-box h3 {
  font-size: 22px;
  color: var(--white);
  margin-bottom: 12px;
  margin-top: 0;
}

.blog-cta-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .blog-post-hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 24px;
  }

  .blog-hero-visual {
    order: -1;
  }

  .blog-hero-visual svg {
    width: min(160px, 60%);
  }

  .blog-post-body {
    padding-left: 24px;
    padding-right: 24px;
  }

  .comparison-row {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  .comparison-row > span {
    padding: 10px 10px;
    font-size: 12px;
  }

  .formula-step {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-cta-box {
    padding: 28px 24px;
  }
}