/* ==========================================================================
   Gabriel Cybersecurity - Components & Micro-Interactions
   ========================================================================== */

/* ==========================================================================
   Universal Interactive Cards, Thumbnails & Links Pointer Cursors
   ========================================================================== */
a,
a *,
button,
button *,
[role="button"],
[role="button"] *,
[role="link"],
[role="link"] *,
[role="tab"],
[role="tab"] *,
input[type="submit"],
input[type="button"],
input[type="reset"],
select,
label[for],
summary,
summary *,
.hero-topic-card,
.hero-topic-card *,
.hero-topic-thumb,
.hero-topic-thumb *,
.article-card,
.article-card *,
.project-card,
.project-card *,
.talk-card,
.talk-card *,
.tool-card,
.tool-card *,
.book-cover-wrapper,
.book-cover-wrapper *,
.book-3d,
.book-3d *,
.evidence-item,
.evidence-item *,
.filter-pill,
.filter-pill *,
.hero-ticker-pill,
.hero-ticker-pill *,
.ticker-item,
.ticker-item *,
.btn,
.btn *,
.nav-link,
.nav-link *,
.nav-toggle,
.nav-toggle *,
.brand-logo,
.brand-logo *,
.social-link,
.social-link *,
.footer-link,
.footer-link *,
.talk-materials-btn,
.talk-materials-btn *,
.card-interactive,
.card-interactive *,
.back-link,
.back-link *,
.author-thumb-link,
.author-thumb-link *,
.interactive-callout-box a,
.interactive-callout-box a *,
[data-href],
[data-href] *,
[onclick],
[onclick] *,
.clickable,
.clickable * {
  cursor: pointer !important;
}

button:disabled,
button[disabled],
button:disabled *,
button[disabled] *,
.btn:disabled,
.btn[disabled],
.btn:disabled *,
.btn[disabled] *,
input:disabled,
[aria-disabled="true"],
[aria-disabled="true"] * {
  cursor: not-allowed !important;
}

/* ==========================================================================
   0. Hero Live Research Rotating Ticker Pill
   ========================================================================== */
.hero-ticker-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.75rem 0.2rem 0.35rem;
  border-radius: var(--radius-full);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-normal);
  max-width: 100%;
  height: 32px;
  box-sizing: border-box;
}

.hero-ticker-pill:hover {
  border-color: var(--accent-blue-border);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
}

.ticker-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #059669;
  background: var(--accent-emerald-light);
  border: 1px solid var(--accent-emerald-border);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  height: 24px;
  box-sizing: border-box;
}

.ticker-pulse-dot {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.ticker-pulse-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  border: 2px solid #10b981;
  animation: ticker-radar 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes ticker-radar {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(0.9); opacity: 0; }
}

.ticker-content-track {
  position: relative;
  height: 22px;
  overflow: hidden;
  display: flex;
  align-items: center;
  width: clamp(220px, 32vw, 440px);
}

.ticker-item {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  text-decoration: none !important;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  width: 100%;
}

.ticker-item.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.ticker-item.exit {
  opacity: 0;
  transform: translateY(-14px);
  pointer-events: none;
}

.ticker-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.hero-ticker-pill:hover .ticker-text {
  color: var(--accent-blue);
}

.ticker-arrow {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-blue);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.hero-ticker-pill:hover .ticker-arrow {
  transform: translateX(3px);
}

@media (max-width: 640px) {
  .ticker-content-track {
    width: clamp(160px, 50vw, 240px);
  }
}

/* ==========================================================================
   0. Hero Quick Topic Navigation Cards
   ========================================================================== */
.hero-topics-section {
  margin-top: 1.75rem;
}

.hero-topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

@media (max-width: 640px) {
  .hero-topics-grid {
    grid-template-columns: 1fr;
  }
}

.hero-topic-card {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.hero-topic-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-blue-border);
  background: #ffffff;
}

.hero-topic-card::after {
  content: '→';
  position: absolute;
  right: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-blue);
  opacity: 0;
  transform: translateX(-6px);
  transition: all var(--transition-fast);
}

.hero-topic-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.hero-topic-card:hover .hero-topic-content {
  padding-right: 1.25rem;
}

.hero-topic-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-topic-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 7px;
}

.hero-topic-thumb.book-thumb {
  width: 36px;
  height: 48px;
  box-shadow: -2px 3px 6px rgba(0,0,0,0.12);
  border-radius: 4px;
}

.hero-topic-thumb.book-thumb img {
  border-radius: 4px;
}

.hero-topic-thumb.satcom-thumb {
  background: rgba(37, 99, 235, 0.06);
  border-color: rgba(37, 99, 235, 0.18);
  padding: 4px;
}

.hero-topic-thumb.satcom-thumb img {
  object-fit: contain;
}

.hero-topic-thumb.fi-thumb {
  background: rgba(14, 165, 233, 0.06);
  border-color: rgba(14, 165, 233, 0.18);
  padding: 4px;
}

.hero-topic-thumb.fi-thumb img {
  object-fit: contain;
}

.hero-topic-thumb.exec-thumb {
  background: rgba(245, 158, 11, 0.07);
  border-color: rgba(245, 158, 11, 0.2);
  padding: 4px;
}

.hero-topic-thumb.exec-thumb img {
  object-fit: contain;
}

.hero-topic-thumb.qrng-thumb {
  background: rgba(16, 185, 129, 0.06);
  border-color: rgba(16, 185, 129, 0.18);
  padding: 4px;
}

.hero-topic-thumb.qrng-thumb img {
  object-fit: contain;
}

.hero-topic-thumb.gabrihex-thumb {
  background: rgba(99, 102, 241, 0.06);
  border-color: rgba(99, 102, 241, 0.18);
  padding: 4px;
}

.hero-topic-thumb.gabrihex-thumb img {
  object-fit: contain;
}

.hero-topic-content {
  display: flex;
  flex-direction: column;
  transition: padding var(--transition-fast);
}

.hero-topic-name {
  font-family: var(--font-heading);
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 0.15rem;
  transition: color var(--transition-fast);
}

.hero-topic-card:hover .hero-topic-name {
  color: var(--accent-blue);
}

.hero-topic-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ==========================================================================
   1. Book Showcase Component
   ========================================================================== */
.book-showcase-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.book-showcase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-cyan) 50%, var(--accent-emerald) 100%);
}

.book-cover-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.book-3d {
  position: relative;
  max-width: 280px;
  border-radius: 8px;
  box-shadow: -15px 20px 30px -5px rgba(15, 23, 42, 0.25), 
              -2px 0 8px rgba(0, 0, 0, 0.1);
  transform: rotateY(-12deg) rotateX(4deg);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.book-3d:hover {
  transform: rotateY(-4deg) rotateX(1deg) translateY(-8px);
  box-shadow: -20px 28px 40px -5px rgba(15, 23, 42, 0.3);
}

.book-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.book-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-amber);
  background: var(--accent-amber-light);
  border: 1px solid var(--accent-amber-border);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.book-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.book-synopsis {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.book-features-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0.5rem 0;
}

.book-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.925rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.book-feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

.amazon-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}

.amazon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #111827;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.amazon-btn:hover {
  border-color: var(--accent-amber);
  background: var(--accent-amber-light);
  color: #b45309;
  transform: translateY(-1px);
}

/* ==========================================================================
   2. Newsletter Lead Magnet Box
   ========================================================================== */
.lead-magnet-box {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 1px solid var(--accent-blue-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-top: 1.25rem;
}

.lead-magnet-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0369a1;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lead-magnet-desc {
  font-size: 0.925rem;
  color: #0c4a6e;
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.newsletter-input-group {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.newsletter-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.newsletter-disclaimer {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.form-feedback {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 0.5rem;
}

.form-feedback.success {
  display: block;
  background: var(--accent-emerald-light);
  color: #065f46;
  border: 1px solid var(--accent-emerald-border);
}

.form-feedback.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   3. Flagship Project Cards
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.project-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.project-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
}

.project-icon.emerald {
  background: var(--accent-emerald-light);
  color: var(--accent-emerald);
}

.project-icon.purple {
  background: var(--accent-purple-light);
  color: var(--accent-purple);
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.project-summary {
  color: var(--text-secondary);
  font-size: 0.975rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  background: var(--bg-secondary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.project-highlight-item {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-highlight-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   4. Research & Insights Component Library
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
  align-items: center;
}

.filter-pill {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  background: var(--bg-secondary);
  color: var(--accent-blue);
  border-color: var(--border-medium);
}

.filter-pill.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.search-box-wrapper {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin-bottom: 2rem;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.75rem;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.45rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
}

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

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.article-meta .badge,
.article-footer .badge {
  font-size: 0.725rem;
  padding: 0.2rem 0.6rem;
  line-height: 1.25;
  white-space: nowrap;
  flex-shrink: 0;
}

.article-card .article-title,
.article-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}

.article-card .article-title a,
.article-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.article-card:hover .article-title,
.article-card:hover .article-title a {
  color: var(--accent-blue);
}

.article-excerpt {
  font-size: 0.865rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent-blue);
}

/* Executive Briefing Variant Card */
.article-card.executive-briefing {
  border-left: 4px solid var(--accent-amber);
  background: linear-gradient(135deg, #ffffff 0%, #fffdfa 100%);
}

.article-card.executive-briefing .format-pill {
  background: var(--accent-amber-light);
  color: #b45309;
  border: 1px solid var(--accent-amber-border);
}

/* ==========================================================================
   5. Interactive QRNG Simulator UI
   ========================================================================== */
.qrng-simulator-card {
  background: #0f172a;
  color: #f8fafc;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.qrng-simulator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #38bdf8 0%, #818cf8 100%);
}

.qrng-display-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.qrng-entropy-stream {
  background: #090d16;
  border: 1px solid #1e293b;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-family: var(--font-mono);
  color: #38bdf8;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  word-break: break-all;
  height: 120px;
  overflow-y: auto;
  line-height: 1.8;
}

.qrng-metrics-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.qrng-metric-item {
  background: #1e293b;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid #334155;
}

.qrng-metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 0.25rem;
}

.qrng-metric-val {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: #34d399;
}

/* ==========================================================================
   6. Article Detail Page Layout & Code Blocks
   ========================================================================== */
.article-header {
  padding-top: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
}

.article-content {
  padding-top: 3.5rem;
  padding-bottom: 4.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
  color: #1e293b;
}

.article-content h2 {
  margin-top: 2.75rem;
  margin-bottom: 1.25rem;
  font-size: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.article-content p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.article-content ul, .article-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

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

.article-content blockquote {
  border-left: 4px solid var(--accent-blue);
  padding-left: 1.25rem;
  font-style: italic;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
}

.code-container {
  background: #0f172a;
  border-radius: var(--radius-lg);
  margin: 2rem 0;
  overflow: hidden;
  border: 1px solid #1e293b;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  background: #090d16;
  border-bottom: 1px solid #1e293b;
  color: #94a3b8;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.code-block {
  padding: 1.25rem;
  overflow-x: auto;
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
}

.copy-btn {
  background: #1e293b;
  border: 1px solid #334155;
  color: #cbd5e1;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--accent-blue);
  color: #ffffff;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 900px) {
  .book-showcase-card {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2rem;
    text-align: center;
  }

  .book-tag {
    align-self: center;
  }

  .book-features-list {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .amazon-badges {
    justify-content: center;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .qrng-display-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Article & Single Post Layout Styles
   ========================================================================== */
.article-container {
  max-width: 840px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.article-header {
  margin-bottom: 2.5rem;
}

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.article-read-time {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.article-header .article-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

.article-author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.author-thumb {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.article-date {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.article-post-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-post-body h2 {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.article-post-body h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-post-body p {
  margin-bottom: 1.35rem;
}

.article-post-body ul,
.article-post-body ol {
  margin-bottom: 1.35rem;
  padding-left: 1.75rem;
}

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

.article-post-body a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.article-post-body a:hover {
  color: #1d4ed8;
}

.article-post-body figure,
.article-post-body .wp-block-image {
  margin: 2.25rem 0;
  text-align: center;
  max-width: 100%;
}

.article-post-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  display: inline-block;
  vertical-align: middle;
}

.wp-block-group.is-layout-flex,
.wp-block-columns.is-layout-flex {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin: 2rem 0;
}

.wp-block-group.is-layout-flex figure,
.wp-block-columns.is-layout-flex figure {
  margin: 0;
  flex: 1 1 auto;
}

.code-block-wrapper {
  position: relative;
  margin: 1.75rem 0;
  background: #0f172a;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid #1e293b;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1.25rem;
  background: #1e293b;
  color: #94a3b8;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-code-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f8fafc;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.copy-code-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
}

.code-block-wrapper pre {
  margin: 0;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  background: transparent;
}

.code-block-wrapper code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: #e2e8f0;
  background: transparent;
  padding: 0;
  border: none;
}

/* ==========================================================================
   About Section Pioneering Research & CVE Evidence
   ========================================================================== */
.about-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin: 2.5rem 0;
  text-align: left;
}

@media (max-width: 800px) {
  .about-evidence-grid {
    grid-template-columns: 1fr;
  }
}

.about-evidence-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.about-evidence-card.cve-card {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-top: 3px solid var(--accent-blue);
}

.about-evidence-card.research-card {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-top: 3px solid var(--accent-emerald);
}

.evidence-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.evidence-header-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
}

.evidence-header h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.evidence-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.evidence-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.evidence-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.evidence-item-title a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.evidence-item-title a:hover {
  text-decoration: underline;
  color: #1d4ed8;
}

.evidence-item-desc {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.cve-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #cbd5e1;
}

.cve-badge.critical {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

.cve-badge.high {
  background: #fffbeb;
  color: #92400e;
  border-color: #fde68a;
}

/* ==========================================================================
   Conference Talks & Keynotes Section
   ========================================================================== */
.talks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (max-width: 1024px) {
  .talks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .talks-grid {
    grid-template-columns: 1fr;
  }
}

.talk-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.talk-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.talk-card-top {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.talk-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.talk-venue-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  background: #f1f5f9;
  color: #1e293b;
  border: 1px solid #e2e8f0;
}

.talk-venue-badge.rooted {
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
  border-color: rgba(239, 68, 68, 0.2);
}

.talk-venue-badge.blackhat {
  background: #0f172a;
  color: #ffffff;
  border-color: #000000;
}

.talk-venue-badge.hackito {
  background: rgba(139, 92, 246, 0.08);
  color: #6d28d9;
  border-color: rgba(139, 92, 246, 0.2);
}

.talk-venue-badge.space {
  background: rgba(14, 165, 233, 0.08);
  color: #0369a1;
  border-color: rgba(14, 165, 233, 0.25);
}

.talk-venue-badge.criptored {
  background: rgba(245, 158, 11, 0.1);
  color: #b45309;
  border-color: rgba(245, 158, 11, 0.25);
}

.talk-year-loc {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.talk-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin: 0.25rem 0 0.5rem 0;
}

.talk-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.talk-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.talk-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.talk-tag {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.talk-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--brand-primary);
  text-decoration: none;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.2);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.talk-link:hover {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

.talk-link.video {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
}

.talk-link.video:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

.talk-link svg {
  flex-shrink: 0;
}

/* ==========================================================================
   Article Body Button Overrides
   ========================================================================== */
.article-post-body a.btn,
.article-content a.btn,
.article-container a.btn {
  text-decoration: none !important;
}

.article-post-body a.btn-primary,
.article-content a.btn-primary,
.article-container a.btn-primary {
  color: #ffffff !important;
  background-color: var(--accent-blue) !important;
}

.article-post-body a.btn-primary:hover,
.article-content a.btn-primary:hover,
.article-container a.btn-primary:hover {
  color: #ffffff !important;
  background-color: var(--accent-blue-hover) !important;
}