/* ==============================================================================
   Quantum Visualisation 3D - Custom MkDocs Material Stylesheet
   ============================================================================== */

:root {
  --qv-cyan: #06b6d4;
  --qv-cyan-glow: rgba(6, 182, 212, 0.4);
  --qv-amber: #f59e0b;
  --qv-bg-card: rgba(15, 23, 42, 0.6);
  --qv-border: rgba(56, 189, 248, 0.2);
}

/* Call to Action Hero Button Container */
.cta-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 1.5rem 0 2rem 0;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0284c7 0%, #06b6d4 50%, #0d9488 100%);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
  transition: all 0.25s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.55);
  background: linear-gradient(135deg, #0369a1 0%, #0891b2 50%, #0f766e 100%);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(148, 163, 184, 0.12);
  color: inherit !important;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none !important;
  border: 1px solid rgba(148, 163, 184, 0.25);
  transition: all 0.2s ease;
}

.btn-cta-secondary:hover {
  background: rgba(148, 163, 184, 0.25);
  transform: translateY(-2px);
}

/* Feature Grid & Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature-card {
  background: var(--qv-bg-card);
  border: 1px solid var(--qv-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  transition: all 0.2s ease;
}

.feature-card:hover {
  border-color: var(--qv-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  color: var(--qv-cyan);
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: rgba(226, 232, 240, 0.85);
}

/* Scientific Disclaimer Callout */
.disclaimer-box {
  background: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--qv-amber);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.disclaimer-box h4 {
  margin: 0 0 0.5rem 0;
  color: var(--qv-amber);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.disclaimer-box p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.55;
}