/* Shared enhancement styles for VB6 landing page and lesson pages */
.vb-compare-box {
  background: rgba(79,195,247,0.08);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin: 1.8rem 0;
  box-shadow: var(--glow);
}
.vb-compare-box h3 {
  color: var(--white);
  margin-bottom: 1rem;
}
.vb-compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.vb-compare-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
.vb-compare-card h4 {
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.vb-compare-card ul {
  padding-left: 1.1rem;
  color: var(--muted);
}
.vb-compare-cta {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--white);
}
.inline-upgrade-box {
  background: rgba(240,180,41,0.12);
  border: 1px solid rgba(240,180,41,0.35);
  border-left: 4px solid var(--gold);
  border-radius: 12px;
  padding: 1.2rem;
  margin: 1.5rem 0;
}
.inline-upgrade-box strong {
  color: var(--white);
  display: block;
  margin-bottom: 0.4rem;
}
.inline-upgrade-box p {
  margin-bottom: 0.8rem;
}
.learning-path-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-top: 2rem;
  box-shadow: var(--glow);
}
.learning-path-box h3 {
  color: var(--white);
  margin-bottom: 0.9rem;
}
.path-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.path-step {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
.path-step h4 {
  color: var(--accent);
  margin-bottom: 0.4rem;
  font-size: 1rem;
}
.book-promo {
  display: flex;
  gap: 15px;
  background: linear-gradient(135deg,#1e293b,#0f172a);
  border: 1px solid var(--border);
  padding: 15px;
  border-radius: 12px;
  margin: 25px 0;
  align-items: center;
  box-shadow: var(--glow);
}
.book-promo img {
  width: 96px;
  border-radius: 8px;
  max-width: 96px;
}
.promo-badge {
  display: inline-block;
  background: linear-gradient(90deg,#ff9800,#ff5722);
  color: white;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}
.book-promo h3 {
  margin: 0 0 0.4rem;
}
.book-promo p {
  margin: 0 0 0.75rem;
}
.promo-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.promo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  text-decoration: none;
  font-weight: 700;
}
.promo-btn.primary {
  background: var(--accent);
  color: var(--navy);
}
.promo-btn.secondary {
  background: rgba(255,255,255,0.05);
  color: var(--white);
  border: 1px solid var(--border);
}
.promo-btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}
.sticky-book-cta,
.floating-vbnet-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 220;
  background: var(--accent);
  color: var(--navy);
  padding: 0.85rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(79,195,247,0.28);
  text-decoration: none;
}
.sticky-book-cta:hover,
.floating-vbnet-cta:hover {
  text-decoration: none;
  transform: translateY(-2px);
}
.lesson-crosslinks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 2rem;
}
.lesson-crosslinks a {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  text-decoration: none;
}
.lesson-crosslinks a.disabled {
  opacity: 0.55;
  pointer-events: none;
}
.lesson-crosslinks .label {
  display: block;
  color: var(--accent);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}
.lesson-crosslinks .title {
  color: var(--white);
  font-weight: 600;
}
@media (max-width: 768px) {
  .book-promo {
    flex-direction: column;
    text-align: center;
  }
  .promo-actions {
    justify-content: center;
  }
  .sticky-book-cta,
  .floating-vbnet-cta {
    right: 12px;
    bottom: 12px;
    font-size: 0.9rem;
    padding: 0.75rem 0.9rem;
  }
  .lesson-crosslinks {
    grid-template-columns: 1fr;
  }
}