/* ── Blog Index ── */
.blog-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(170deg, #f8f9fb 0%, #ffffff 60%);
}

.blog-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  margin-top: 12px;
}

.blog-hero p {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 520px;
  line-height: 1.6;
}

.blog-grid {
  padding: 72px 0 96px;
}

.blog-grid-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.post-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  color: inherit;
}

.post-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.post-card-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 16px;
  width: fit-content;
}

.post-tag--case-study  { background: #eff6ff; color: var(--accent); border: 1px solid #bfdbfe; }
.post-tag--guide       { background: #f5f3ff; color: #7c3aed; border: 1px solid #ddd6fe; }
.post-tag--industry    { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.post-tag--business-case { background: #ecfdf5; color: var(--green); border: 1px solid #a7f3d0; }
.post-tag--faq         { background: var(--surface-3); color: var(--ink-soft); border: 1px solid var(--border); }

.post-card h2 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 12px;
}

.post-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 24px;
}

.post-card-footer {
  padding: 16px 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
}

.post-meta {
  font-size: 12px;
  color: var(--ink-muted);
}

.post-read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Blog Post ── */
.post-hero {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(170deg, #f8f9fb 0%, #ffffff 60%);
}

.post-hero-inner {
  max-width: 760px;
}

.post-header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.post-header-date {
  font-size: 13px;
  color: var(--ink-muted);
}

.post-header-read {
  font-size: 13px;
  color: var(--ink-muted);
}

.post-header-read::before {
  content: '·';
  margin-right: 12px;
}

.post-hero h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 20px;
}

.post-hero-lede {
  font-size: 20px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 680px;
}

/* Post body */
.post-body {
  padding: 64px 0 80px;
}

.post-body-inner {
  max-width: 720px;
}

.post-body h2 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--ink);
  margin-top: 56px;
  margin-bottom: 16px;
}

.post-body h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-top: 36px;
  margin-bottom: 12px;
}

.post-body p {
  font-size: 18px;
  color: #374151;
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.post-body li {
  font-size: 18px;
  color: #374151;
  line-height: 1.75;
  margin-bottom: 8px;
}

.post-body strong {
  color: var(--ink);
  font-weight: 700;
}

.post-callout {
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  margin: 32px 0;
}

.post-callout p {
  color: var(--ink);
  margin-bottom: 0;
  font-size: 17px;
}

.post-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 36px 0;
}

.post-stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}

.post-stat-num {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--ink);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.post-stat-label {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.4;
}

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

/* Post CTA */
.post-cta {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-top: 64px;
  text-align: center;
}

.post-cta h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  margin-bottom: 12px;
  margin-top: 0;
}

.post-cta p {
  font-size: 16px;
  color: rgba(255,255,255,.65);
  margin-bottom: 28px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Responsive ── */
@media (max-width: 760px) {
  .blog-grid-inner {
    grid-template-columns: 1fr;
  }

  .post-stat-row {
    grid-template-columns: 1fr;
  }

  .post-cta {
    padding: 32px 24px;
  }
}