/* ─── Blog Layout ─────────────────────────────────────────────────────────── */

.blog-header {
  margin: 0 -20px 28px;
}

.blog-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 28px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f4c75 100%);
  font-size: 0.75rem;
}
.blog-top-bar .topbar-brand-name { color: #fff; }
.blog-top-bar .nav-links { display: flex; gap: 18px; }
.blog-top-bar .nav-links a {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.blog-top-bar .nav-links a:hover { color: #fff; }
.blog-top-bar .nav-links a.active {
  color: #fff;
  border-bottom: 2px solid #10b981;
  padding-bottom: 2px;
}

/* ─── Blog Index ─────────────────────────────────────────────────────────── */

.blog-hero {
  text-align: center;
  padding: 40px 20px 32px;
}

.blog-hero h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.blog-hero p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 520px;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-decoration: none;
  color: var(--text);
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.blog-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 20px;
  width: fit-content;
}

.blog-card-tag.guide { background: var(--primary-light); color: var(--primary); }
.blog-card-tag.savings { background: var(--green-bg); color: var(--green); }
.blog-card-tag.comparison { background: var(--purple-bg); color: var(--purple); }
.blog-card-tag.strategy { background: var(--amber-bg); color: var(--amber); }

.blog-card h2 {
  font-size: 1.1rem;
  line-height: 1.4;
}

.blog-card p {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.6;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.blog-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ─── Blog Post (Article) ────────────────────────────────────────────────── */

.blog-post {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  margin-bottom: 32px;
}

.blog-post-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.blog-post-header h1 {
  font-size: 1.6rem;
  line-height: 1.35;
  margin-bottom: 12px;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.blog-post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.blog-post-body h2 {
  font-size: 1.2rem;
  margin: 32px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.blog-post-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.blog-post-body h3 {
  font-size: 1rem;
  margin: 24px 0 10px;
}

.blog-post-body p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 14px;
}

.blog-post-body ul, .blog-post-body ol {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin: 8px 0 18px 20px;
}

.blog-post-body li {
  margin-bottom: 6px;
}

.blog-post-body strong {
  color: var(--text);
  font-weight: 600;
}

.blog-post-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.blog-post-body .info-box {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.blog-post-body .info-box strong {
  color: var(--green);
}

.blog-post-body .warning-box {
  background: var(--amber-bg);
  border: 1px solid var(--amber-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.blog-post-body .warning-box strong {
  color: var(--amber);
}

.blog-post-body .data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.82rem;
}

.blog-post-body .data-table th {
  background: var(--bg-card-alt);
  font-weight: 600;
  color: var(--text);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--border);
}

.blog-post-body .data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.blog-post-body .data-table tr:hover td {
  background: var(--bg-card-alt);
}

.blog-post-body .mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* CTA box at end of article */
.blog-cta {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f4c75 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  margin: 32px 0 0;
  text-align: center;
}

.blog-cta h3 {
  color: #fff;
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.blog-cta p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  margin-bottom: 18px;
}

.blog-cta .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #10b981;
  color: #fff;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: background 0.2s, transform 0.1s;
}

.blog-cta .btn-cta:hover {
  background: #059669;
  transform: translateY(-1px);
}

/* Breadcrumb */
.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.blog-breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
}

.blog-breadcrumb a:hover {
  color: var(--primary);
}

/* ─── Blog Footer ────────────────────────────────────────────────────────── */

.blog-footer {
  margin-top: 48px;
  padding: 20px 0 28px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.blog-footer .footer-content p { color: var(--text-dim); font-size: 0.72rem; }
.blog-footer .footer-links {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.72rem;
}
.blog-footer .footer-links a { color: var(--text-dim); text-decoration: none; }
.blog-footer .footer-links a:hover { color: var(--primary); }
.blog-footer .footer-sep { color: var(--text-dim); opacity: 0.3; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; gap: 16px; }
  .blog-post { padding: 28px 20px; }
  .blog-post-header h1 { font-size: 1.3rem; }
  .blog-hero h1 { font-size: 1.3rem; }
  .blog-top-bar { flex-wrap: wrap; gap: 8px; }
}

@media (max-width: 420px) {
  .blog-post { padding: 20px 16px; }
  .blog-post-header h1 { font-size: 1.15rem; }
  .blog-card { padding: 20px 16px; }
  .blog-top-bar .nav-links { gap: 10px; }
  .blog-top-bar .nav-links a { font-size: 0.68rem; }
}