/* ════════════════════════════════════════════════════════════
   BLOG — blog.css
   ME91 Digital — shared by blog.html (hub) and every /blog/*.html post
   Reuses design tokens from style.css (:root vars, .container, .section-pad,
   .btn-primary, .btn-ghost, .grad-*, .section-tag) — load style.css first.
════════════════════════════════════════════════════════════ */

/* ── Blog Hub Hero ──────────────────────────────────── */
.blog-hero {
  position: relative;
  padding: 130px 0 70px;
  overflow: hidden;
  background: var(--bg-deep);
}
.blog-hero-orbs { position: absolute; inset: 0; pointer-events: none; }
.blog-hero-content { position: relative; z-index: 2; text-align: center; }
.blog-hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 16px 0 18px;
}
.blog-hero-sub { color: var(--white-70); max-width: 620px; margin: 0 auto; font-size: 1.05rem; line-height: 1.7; }
.blog-breadcrumb { font-size: 13px; color: var(--white-40); margin-bottom: 18px; }
.blog-breadcrumb a { color: var(--white-70); }
.blog-breadcrumb a:hover { color: var(--blue-light); }

/* ── Blog Card Grid (hub page) ──────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 20px 0 100px;
}
.blog-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.blog-card:hover { transform: translateY(-5px); box-shadow: 0 16px 50px rgba(0,0,0,0.5); border-color: var(--border-glow); }
.blog-card-img {
  height: 170px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, #1a2236 0%, #0f1724 100%);
  border-bottom: 1px solid var(--border);
}
.blog-card-body { padding: 22px; }
.blog-card-tag {
  display: inline-block;
  background: var(--blue-glow); border: 1px solid rgba(59,130,246,0.25);
  color: var(--blue-light); font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 100px; letter-spacing: 0.4px;
  margin-bottom: 12px;
}
.blog-card h3 { font-size: 1.08rem; font-weight: 700; line-height: 1.4; margin-bottom: 10px; }
.blog-card p { font-size: 0.88rem; color: var(--white-40); line-height: 1.6; margin-bottom: 14px; }
.blog-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--white-40); }
.blog-card-arrow { color: var(--blue-light); font-weight: 700; }

/* ── Article Hero ────────────────────────────────────── */
.blog-article-hero { padding: 120px 0 50px; background: var(--bg-deep); }
.blog-article-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white-12); border: 1px solid var(--border);
  color: var(--blue-light); font-size: 11.5px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 5px 16px; border-radius: 100px; margin-bottom: 18px;
}
.blog-article-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  font-weight: 800; line-height: 1.2; max-width: 880px; margin-bottom: 20px;
}
.blog-article-sub { color: var(--white-70); font-size: 1.05rem; max-width: 760px; line-height: 1.7; margin-bottom: 26px; }
.blog-meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; font-size: 13.5px; color: var(--white-40); }
.blog-meta-item { display: flex; align-items: center; gap: 6px; }

/* ── Article Body (prose) ────────────────────────────── */
.blog-article-body { max-width: 760px; margin: 0 auto; padding: 10px 0 60px; }
.blog-article-body h2 {
  font-family: var(--font-head); font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 800; margin: 46px 0 18px; line-height: 1.3;
}
.blog-article-body h3 { font-size: 1.2rem; font-weight: 700; margin: 32px 0 14px; }
.blog-article-body p { color: var(--white-70); font-size: 1.02rem; line-height: 1.8; margin-bottom: 18px; }
.blog-article-body ul, .blog-article-body ol { margin: 0 0 20px 22px; color: var(--white-70); }
.blog-article-body li { margin-bottom: 10px; line-height: 1.7; font-size: 1rem; }
.blog-article-body strong { color: var(--white); font-weight: 700; }
.blog-article-body a { color: var(--blue-light); text-decoration: underline; text-underline-offset: 3px; }
.blog-article-body a:hover { color: var(--blue); }
.blog-article-body blockquote {
  border-left: 3px solid var(--blue);
  background: rgba(59,130,246,0.06);
  padding: 18px 22px; margin: 26px 0; border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.02rem; color: var(--white-70); font-style: italic;
}
.blog-article-body hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }
.blog-article-body table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; font-size: 0.92rem; }
.blog-article-body th, .blog-article-body td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; color: var(--white-70); }
.blog-article-body th { background: var(--bg-card); color: var(--white); font-weight: 700; }

/* Callout / tip box */
.blog-callout {
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: var(--radius-md);
  padding: 20px 24px; margin: 28px 0;
}
.blog-callout strong { display: block; margin-bottom: 6px; color: var(--green-light); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.5px; }
.blog-callout p { margin: 0; color: var(--white-70); font-size: 0.96rem; }

/* Inline mid-article CTA */
.blog-inline-cta {
  background: linear-gradient(135deg, #0d1a3a 0%, #1a0d2e 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px; margin: 40px 0; text-align: center;
}
.blog-inline-cta h3 { font-family: var(--font-head); font-size: 1.3rem; margin-bottom: 10px; }
.blog-inline-cta p { color: var(--white-70); margin-bottom: 20px; font-size: 0.96rem; }

/* FAQ (reuses .faq-item/.faq-q/.faq-a from service-page.css) */
.blog-faq-section { margin: 46px 0; }

/* Author / E-E-A-T box */
.blog-author-box {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; margin: 46px 0 0;
}
.blog-author-avatar {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 800; font-size: 1.1rem;
}
.blog-author-box strong { display: block; font-size: 0.98rem; margin-bottom: 4px; }
.blog-author-box p { font-size: 0.87rem; color: var(--white-40); line-height: 1.6; margin: 0; }

/* Related posts */
.blog-related-wrap { background: rgba(255,255,255,0.02); padding: 70px 0; }
.blog-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 980px; margin: 0 auto; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-article-hero { padding: 100px 0 36px; }
  .blog-author-box { flex-direction: column; }
}