/* ==========================================================================
   BDThreatPulse — Executive Cybersecurity Intelligence Theme
   Aesthetic: Executive Boardroom, Dark Navy, Electric Blue Accents
   ========================================================================== */

:root {
  --bg-main: #070d19;
  --bg-surface: #0f172a;
  --bg-card: #131d35;
  --bg-card-hover: #192645;
  --border-subtle: #1e293b;
  --border-focus: #0284c7;
  
  --accent-cyan: #38bdf8;
  --accent-blue: #0284c7;
  --accent-indigo: #6366f1;
  --accent-crimson: #f43f5e;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 15px rgba(56, 189, 248, 0.15);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none !important;
}

.brand-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glow);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

.brand-name span {
  color: var(--accent-cyan);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.25rem;
  text-decoration: none !important;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
  border-bottom: 2px solid var(--accent-cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.25rem 0.75rem;
}

.search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.875rem;
  width: 140px;
  transition: width 0.2s ease;
}

.search-input:focus {
  width: 200px;
}

.search-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.search-btn:hover {
  color: var(--accent-cyan);
}

/* Hero Section */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  background: radial-gradient(circle at 50% 20%, rgba(2, 132, 199, 0.15), transparent 70%);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
}

.hero-content {
  max-width: 800px;
}

.hero-tagline {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background-color: rgba(56, 189, 248, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Category Filter Bar */
.category-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.category-chip {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none !important;
  transition: all 0.15s ease;
}

.category-chip:hover, .category-chip.active {
  background-color: var(--bg-card);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Article Cards Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-card);
}

.article-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: var(--shadow-glow);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}

.card-category {
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none !important;
}

.card-date {
  color: var(--text-muted);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.card-title a {
  color: var(--text-main);
  text-decoration: none !important;
}

.card-title a:hover {
  color: var(--accent-cyan);
}

.card-summary {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
  font-size: 0.85rem;
}

.card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag-badge {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 2.5rem 0 4rem;
}

.page-btn {
  padding: 0.5rem 1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none !important;
}

.page-btn.active {
  background-color: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.page-btn:hover:not(.active) {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Article Full View */
.article-header {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.article-category-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.article-headline {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.article-byline {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.affiliate-disclosure-banner {
  background-color: rgba(2, 132, 199, 0.08);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0 2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.affiliate-disclosure-banner strong {
  color: var(--text-main);
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: #e2e8f0;
  max-width: 820px;
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 1.75rem 0 0.75rem;
  color: #f1f5f9;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 2rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  border-left: 4px solid var(--accent-indigo);
  background-color: var(--bg-surface);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-body pre {
  background-color: #020617;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

.article-body code {
  font-family: var(--font-mono);
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.95rem;
}

.article-body th, .article-body td {
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  text-align: left;
}

.article-body th {
  background-color: var(--bg-surface);
  color: var(--accent-cyan);
}

/* Callout Box */
.callout-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-blue);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.callout-box h4 {
  color: var(--accent-cyan);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

/* Affiliate Qualified Link */
.affiliate-link {
  font-weight: 600;
  color: var(--accent-cyan);
  border-bottom: 1px dotted var(--accent-cyan);
  text-decoration: none !important;
}

.affiliate-link:hover {
  color: #bae6fd;
  border-bottom-style: solid;
}

/* Related Articles */
.related-section {
  margin: 4rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
}

.related-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none !important;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Admin Panel */
.admin-badge {
  background-color: var(--accent-crimson);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2rem;
}

.admin-table th, .admin-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-table th {
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-published { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.status-approved { background: rgba(56, 189, 248, 0.2); color: #38bdf8; }
.status-in_review { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.status-draft { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }
.status-archived { background: rgba(244, 63, 94, 0.2); color: #fb7185; }

/* Responsive adjustments */
@media (max-width: 768px) {
  .header-inner {
    height: auto;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  .hero-title {
    font-size: 2rem;
  }
  .article-headline {
    font-size: 1.85rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Dynamic Comparison Tables & In-Article Affiliate Recommendations
   -------------------------------------------------------------------------- */
.affiliate-comparison-container {
  margin: 2.5rem 0;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.ftc-disclosure-banner {
  background: rgba(14, 165, 233, 0.08);
  border-left: 3px solid var(--accent-cyan);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.disclosure-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
}

.comparison-header-block {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}

.comparison-heading {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.comparison-subheading {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.comparison-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.comparison-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
}

.vendor-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.product-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.35rem 0 0.5rem;
  color: var(--text-main);
}

.best-for {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.spec-section h5 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.spec-list {
  list-style: none !important;
  margin: 0 0 1rem 0 !important;
  padding: 0 !important;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.spec-list li {
  padding: 0.25rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.eval-list {
  list-style: none !important;
  margin: 0 0 1rem 0 !important;
  padding: 0 !important;
  font-size: 0.82rem;
}

.pro-item {
  color: #34d399;
  margin-bottom: 0.25rem;
}

.con-item {
  color: #fb7185;
  margin-bottom: 0.25rem;
}

.btn-product-cta {
  display: block;
  text-align: center;
  background: var(--accent-blue);
  color: #ffffff;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.2s ease;
  margin-top: 0.75rem;
}

.btn-product-cta:hover {
  background: var(--accent-cyan);
  color: #030712;
}

.contextual-solution-callout {
  margin: 2rem 0;
  padding: 1.25rem;
  background: rgba(30, 41, 59, 0.7);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
}

.badge-recommended {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.callout-header h4 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin: 0.25rem 0 0.5rem;
}

.callout-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.callout-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.callout-link {
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: underline;
  font-size: 0.88rem;
}

.callout-disclosure {
  font-size: 0.78rem;
  color: var(--text-muted);
}