/* ============================================
   THE HUMAN BRAIN ATLAS - EMOTION CENTER STYLES
   ============================================ */

/* Limbic System Grid */
.limbic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.limbic-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.limbic-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-8px);
}

.limbic-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-emotion);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  margin: 0 auto var(--space-6);
}

.limbic-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.limbic-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* Emotions Grid */
.emotions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.emotion-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.emotion-card:hover {
  transform: translateY(-8px) scale(1.02);
}

.emotion-card.joy:hover { border-color: rgba(245, 158, 11, 0.5); box-shadow: 0 0 30px rgba(245, 158, 11, 0.2); }
.emotion-card.sadness:hover { border-color: rgba(59, 130, 246, 0.5); box-shadow: 0 0 30px rgba(59, 130, 246, 0.2); }
.emotion-card.fear:hover { border-color: rgba(239, 68, 68, 0.5); box-shadow: 0 0 30px rgba(239, 68, 68, 0.2); }
.emotion-card.anger:hover { border-color: rgba(239, 68, 68, 0.5); box-shadow: 0 0 30px rgba(239, 68, 68, 0.2); }
.emotion-card.surprise:hover { border-color: rgba(168, 85, 247, 0.5); box-shadow: 0 0 30px rgba(168, 85, 247, 0.2); }
.emotion-card.disgust:hover { border-color: rgba(16, 185, 129, 0.5); box-shadow: 0 0 30px rgba(16, 185, 129, 0.2); }

.emotion-face {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  margin: 0 auto var(--space-6);
}

.emotion-card.joy .emotion-face { background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.4)); color: #f59e0b; }
.emotion-card.sadness .emotion-face { background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.4)); color: #3b82f6; }
.emotion-card.fear .emotion-face { background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.4)); color: #ef4444; }
.emotion-card.anger .emotion-face { background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.4)); color: #ef4444; }
.emotion-card.surprise .emotion-face { background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.4)); color: #a855f7; }
.emotion-card.disgust .emotion-face { background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.4)); color: #10b981; }

.emotion-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.emotion-card > p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.emotion-brain {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
}

/* Stress Response Layout */
.stress-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.stress-content {
  max-width: 500px;
}

.response-stages {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.response-stage {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent-orange);
}

.stage-time {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent-orange);
  font-family: var(--font-mono);
  min-width: 80px;
}

.response-stage p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.stress-visual {
  display: flex;
  justify-content: center;
}

.stress-gauge {
  position: relative;
  width: 250px;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gauge-ring {
  position: absolute;
  border: 3px solid;
  border-radius: 50%;
  opacity: 0.3;
}

.gauge-ring:nth-child(1) { width: 100%; height: 100%; border-color: var(--color-accent-red); }
.gauge-ring:nth-child(2) { width: 75%; height: 75%; border-color: var(--color-accent-orange); }
.gauge-ring:nth-child(3) { width: 50%; height: 50%; border-color: var(--color-accent-pink); }

.gauge-center {
  width: 80px;
  height: 80px;
  background: var(--gradient-emotion);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  z-index: 2;
}

.gauge-center i {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-1);
}

.heart-rate {
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Regulation Techniques */
.regulation-techniques {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.technique-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.technique-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-4px);
}

.technique-card i {
  font-size: var(--text-4xl);
  color: var(--color-accent-green);
  margin-bottom: var(--space-4);
}

.technique-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.technique-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* CTA Section */
.section-cta {
  background: var(--color-bg-secondary);
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-6);
}

.cta-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Responsive */
@media (max-width: 1024px) {
  .limbic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .emotions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stress-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  
  .stress-content {
    max-width: 100%;
  }
  
  .regulation-techniques {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .limbic-grid,
  .emotions-grid,
  .regulation-techniques {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}