/* ================================================================
   BLOG & TYPOGRAPHY STYLES
   Navy (#0B1F3A), Blue (#2563EB), highly readable typography
   ================================================================ */

body.theme-blog {
  /* Dark navy base & shades matching Graphoid */
  --bg:          #050f1d;
  --bg-2:        #0B1F3A; 
  --surface:     #102a4c;
  --surface-2:   #173866;
  --border-dim:  #1f467a;
  --border:      #295a9c;

  --accent:      #2563EB;
  --accent-dim:  rgba(37, 99, 235, 0.12);
  --accent-glow: rgba(37, 99, 235, 0.25);
  --accent-bd:   rgba(37, 99, 235, 0.35);

  --tx-accent:   #60a5fa;

  /* Blog specific */
  --tx-body:     #d1d5db;
  --tx-heading:  #f3f4f6;
}

/* ── Typographical Reset & Scale ── */
.blog-content {
  font-family: var(--fb);
  font-size: 1.125rem; /* 18px */
  line-height: 1.8;
  color: var(--tx-body);
}
.blog-content h2, 
.blog-content h3, 
.blog-content h4 {
  color: var(--tx-heading);
  margin-top: 2.5em;
  margin-bottom: 1em;
  font-family: var(--fh);
}
.blog-content h2 { font-size: 2rem; border-bottom: 1px solid var(--border-dim); padding-bottom: 0.5em; }
.blog-content h3 { font-size: 1.5rem; }
.blog-content h4 { font-size: 1.25rem; }
.blog-content p { margin-bottom: 1.5em; color: inherit; }

.blog-content ul, .blog-content ol { margin: 0 0 1.5em 1.5em; padding: 0; }
.blog-content li { margin-bottom: 0.5em; }

.blog-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--surface-2);
  padding: 1.5em;
  margin: 2em 0;
  border-radius: 0 var(--r8) var(--r8) 0;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--tx-heading);
}

.blog-content figure { margin: 2em 0; }
.blog-content figcaption {
  font-size: 0.875rem; color: var(--tx-muted); text-align: center; margin-top: 0.5em; font-family: var(--fm);
}

.blog-content img {
  border-radius: var(--r12);
  width: 100%;
  border: 1px solid var(--border-dim);
}

.blog-callout {
  background: var(--accent-dim);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r8);
  padding: 1.5em;
  margin: 2em 0;
}
.blog-callout p:last-child { margin-bottom: 0; }

.blog-content code {
  font-family: var(--fm); font-size: 0.85em; background: var(--surface-2);
  padding: 0.2em 0.4em; border-radius: 4px; color: var(--tx-accent);
}
.blog-content pre {
  background: #080a0e; border: 1px solid var(--border-dim);
  border-radius: var(--r8); padding: 1.5em; overflow-x: auto; margin: 2em 0;
}
.blog-content pre code { background: none; padding: 0; color: #e2e8f0; }

/* ── Generic Blog Modules ── */
.badge-pill {
  display: inline-flex; align-items: center; padding: 4px 12px;
  background: var(--surface-2); border: 1px solid var(--border-dim);
  border-radius: 20px; font-family: var(--fm); font-size: 0.75rem;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--tx-2);
  transition: all var(--tf); text-decoration: none;
}
.badge-service { border-color: rgba(37,99,235,0.4); color: #60a5fa; background: rgba(37,99,235,0.1); }
.badge-cyber   { border-color: rgba(16,185,129,0.4); color: #34d399; background: rgba(16,185,129,0.1); }
.badge-field   { border-color: rgba(245,158,11,0.4); color: #fbbf24; background: rgba(245,158,11,0.1); }
.badge-news    { border-color: rgba(139,92,246,0.4); color: #a78bfa; background: rgba(139,92,246,0.1); }
.badge-product { border-color: rgba(236,72,153,0.4); color: #f472b6; background: rgba(236,72,153,0.1); }

.author-meta {
  display: flex; align-items: center; gap: 12px; margin-top: 1em;
}
.author-avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--surface-2);
  border: 1px solid var(--border-dim); display: block;
}
.author-info { display: flex; flex-direction: column; line-height: 1.4; }
.author-name { font-weight: 600; font-size: 0.875rem; color: var(--tx-heading); }
.author-date { font-size: 0.75rem; color: var(--tx-muted); display: flex; gap: 8px; align-items: center; }

/* ── Listing Page Components ── */
.blog-header {
  padding: calc(var(--nav) + var(--s12)) 0 var(--s8);
  text-align: center;
}
.blog-search {
  max-width: 480px; margin: var(--s8) auto 0; position: relative;
}
.blog-search input {
  padding-left: 2.5rem; background: var(--surface); border-radius: 30px;
}
.blog-search svg {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; stroke: var(--tx-muted);
}
.blog-filters {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: var(--s6);
}
.blog-filter-btn {
  background: transparent; border: 1px solid var(--border-dim); color: var(--tx-2);
  padding: 6px 16px; border-radius: 20px; font-size: var(--sm); cursor: pointer;
  transition: all var(--tf);
}
.blog-filter-btn:hover, .blog-filter-btn.active {
  background: var(--surface-2); border-color: var(--border); color: var(--tx-heading);
}

.blog-featured {
  position: relative; overflow: hidden; border-radius: var(--r18);
  border: 1px solid var(--border-dim); background: var(--surface);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 0;
  transition: all var(--tb); text-decoration: none; margin-bottom: var(--s12);
}
.blog-featured:hover { border-color: var(--accent-bd); transform: translateY(-3px); box-shadow: var(--sh-md); }
.bf-image {
  background: var(--surface-2); min-height: 380px; width: 100%;
}
.bf-content {
  padding: var(--s10); display: flex; flex-direction: column; justify-content: center;
}
.bf-content h2 { margin: var(--s4) 0 var(--s3); font-size: clamp(2rem, 3vw, 2.5rem); }
.bf-excerpt { font-size: 1.125rem; color: var(--tx-2); margin-bottom: var(--s6); line-height: 1.6; }
@media (max-width: 900px) {
  .blog-featured { grid-template-columns: 1fr; }
  .bf-image { min-height: 240px; }
  .bf-content { padding: var(--s6); }
}

.blog-layout {
  display: grid; grid-template-columns: 1fr 320px; gap: var(--s10);
  align-items: start;
}
.blog-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s6);
}
.blog-card {
  background: var(--surface); border: 1px solid var(--border-dim);
  border-radius: var(--r12); overflow: hidden; display: flex; flex-direction: column;
  transition: all var(--tb); text-decoration: none; height: 100%;
}
.blog-card:hover { border-color: var(--accent-bd); transform: translateY(-4px); box-shadow: var(--sh-md); }
.bc-image {
  width: 100%; height: 200px; background: var(--surface-2);
}
.bc-content {
  padding: var(--s6); flex: 1; display: flex; flex-direction: column;
}
.bc-content h3 { font-size: 1.25rem; font-weight: 700; margin: var(--s3) 0; color: var(--tx-heading); line-height: 1.3; }
.bc-excerpt { font-size: 0.95rem; color: var(--tx-2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bc-footer { margin-top: auto; padding-top: var(--s4); }

@media (max-width: 1024px) {
  .blog-layout { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ── Sidebar ── */
.blog-sidebar {
  position: sticky; top: calc(var(--nav) + var(--s6));
  display: flex; flex-direction: column; gap: var(--s8);
}
.sidebar-widget {
  background: var(--surface); border: 1px solid var(--border-dim);
  border-radius: var(--r12); padding: var(--s6);
}
.sidebar-widget h4 { margin-bottom: var(--s5); font-size: 1rem; border-bottom: 1px solid var(--border-dim); padding-bottom: 10px; }
.pop-post {
  display: flex; gap: 12px; margin-bottom: var(--s4); text-decoration: none; align-items: center;
}
.pop-post:hover .pop-title { color: var(--accent); }
.pop-thumb { width: 60px; height: 60px; border-radius: var(--r6); background: var(--surface-2); flex-shrink: 0; }
.pop-title { font-size: 0.875rem; font-weight: 600; color: var(--tx-heading); line-height: 1.4; transition: color var(--tf); }
.cat-list { list-style: none; padding: 0; margin: 0; }
.cat-list li { border-bottom: 1px solid var(--border-dim); }
.cat-list li:last-child { border-bottom: none; }
.cat-list a { display: flex; justify-content: space-between; padding: 10px 0; color: var(--tx-2); font-size: 0.875rem; text-decoration: none; transition: color var(--tf); }
.cat-list a:hover { color: var(--accent); }
.nl-box p { font-size: 0.875rem; margin-bottom: 1rem; }
.nl-box input { margin-bottom: 10px; border-radius: 6px; }
.nl-box button { width: 100%; justify-content: center; }

/* ── Single Post Components ── */
.reading-progress {
  position: fixed; top: var(--nav); left: 0; width: 0%; height: 3px;
  background: var(--accent); z-index: 1001; transition: width 0.1s;
}
.post-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: var(--s12);
  align-items: start; max-width: 1100px; margin: 0 auto;
}
.post-main {
  max-width: 760px; width: 100%;
}
.post-header {
  padding: calc(var(--nav) + var(--s10)) 0 var(--s10);
}
.post-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem); margin: var(--s4) 0;
  line-height: 1.15; letter-spacing: -0.02em; color: var(--tx-heading);
}
.post-meta-bar {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--border-dim); border-bottom: 1px solid var(--border-dim);
  padding: var(--s4) 0; margin-bottom: var(--s10); flex-wrap: wrap; gap: var(--s4);
}
.share-btns { display: flex; gap: 8px; }
.share-btn {
  width: 36px; height: 36px; border-radius: 50%; background: var(--surface-2);
  border: 1px solid var(--border-dim); display: flex; align-items: center; justify-content: center;
  color: var(--tx-muted); transition: all var(--tf); cursor: pointer;
}
.share-btn:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }
.share-btn svg { width: 16px; height: 16px; fill: currentColor; }

.toc-widget ul { list-style: none; padding: 0; margin: 0; }
.toc-widget li { margin-bottom: 8px; }
.toc-widget a { font-size: 0.875rem; color: var(--tx-muted); text-decoration: none; transition: color var(--tf); }
.toc-widget a:hover { color: var(--accent); }
.toc-widget a.active { color: var(--accent); font-weight: 500; }

.cta-widget {
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg-2) 100%);
  border: 1px solid var(--accent-bd); text-align: center;
}
.cta-widget img { width: 100px; margin: 0 auto 16px; display: block; }

.author-bio-card {
  display: flex; gap: var(--s6); background: var(--surface);
  border: 1px solid var(--border-dim); border-radius: var(--r12); padding: var(--s8);
  margin: var(--s10) 0; align-items: center;
}
.abc-avatar { width: 80px; height: 80px; border-radius: 50%; flex-shrink: 0; background: var(--surface-2); }
.abc-content h4 { margin-bottom: 4px; font-size: 1.125rem; }
.abc-content p { font-size: 0.95rem; margin-bottom: 12px; }

@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; }
  .post-meta-bar { flex-direction: column; align-items: flex-start; }
}