/* ============================================
   THE HUMAN BRAIN ATLAS - CORTEX PAGE STYLES
   ============================================ */

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
  padding: var(--space-4) var(--space-6);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
}

.hero-stat-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-accent-cyan);
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Cortex Intro Layout */
.cortex-intro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.cortex-intro-content {
  max-width: 500px;
}

.cortex-intro-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

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

.cortex-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.cortex-feature i {
  color: var(--color-accent-cyan);
  width: 20px;
}

/* Cortex Layer Model */
.cortex-intro-visual {
  display: flex;
  justify-content: center;
}

.cortex-model {
  position: relative;
  width: 200px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cortex-layer {
  height: 40px;
  border-radius: var(--radius-md);
  position: relative;
  transition: all var(--transition-base);
}

.cortex-layer:hover {
  transform: scaleX(1.05);
}

.layer-1 {
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.3));
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.layer-2 {
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.2), rgba(0, 212, 255, 0.4));
  border: 1px solid rgba(0, 212, 255, 0.4);
}

.layer-3 {
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.3), rgba(0, 212, 255, 0.5));
  border: 1px solid rgba(0, 212, 255, 0.5);
}

.layer-4 {
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.4), rgba(0, 212, 255, 0.6));
  border: 1px solid rgba(0, 212, 255, 0.6);
}

.layer-5 {
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.5), rgba(0, 212, 255, 0.7));
  border: 1px solid rgba(0, 212, 255, 0.7);
}

.layer-6 {
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.6), rgba(0, 212, 255, 0.8));
  border: 1px solid rgba(0, 212, 255, 0.8);
}

.cortex-labels {
  position: absolute;
  right: -80px;
  top: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.layer-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

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

.lobe-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.lobe-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-8px);
}

.lobe-card-header {
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.lobe-card-header.frontal {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(0, 212, 255, 0.2));
}

.lobe-card-header.parietal {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.2));
}

.lobe-card-header.temporal {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(239, 68, 68, 0.2));
}

.lobe-card-header.occipital {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(0, 212, 255, 0.2));
}

.lobe-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.lobe-title {
  font-size: var(--text-lg);
}

.lobe-card-body {
  padding: var(--space-6);
}

.lobe-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.lobe-functions {
  list-style: none;
}

.lobe-functions li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.lobe-functions li i {
  color: var(--color-accent-cyan);
  font-size: var(--text-xs);
}

/* Homunculus Section */
.homunculus-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.homunculus-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.homunculus-stat {
  text-align: center;
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
}

.homunculus-stat-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-accent-cyan);
}

.homunculus-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

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

.homunculus-figure {
  position: relative;
  width: 250px;
  height: 350px;
}

.h-body-part {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-base);
}

.h-body-part:hover {
  transform: scale(1.1);
}

.h-body-part i {
  font-size: var(--text-3xl);
  color: var(--color-accent-cyan);
}

.h-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
  white-space: nowrap;
}

.h-head {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.h-head i {
  font-size: var(--text-5xl);
}

.h-hand-left {
  top: 30%;
  left: 0;
}

.h-hand-left i {
  font-size: var(--text-4xl);
}

.h-hand-right {
  top: 30%;
  right: 0;
}

.h-hand-right i {
  font-size: var(--text-4xl);
}

.h-torso {
  top: 45%;
  left: 50%;
  transform: translateX(-50%);
}

.h-torso i {
  font-size: var(--text-2xl);
}

.h-leg {
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.h-leg i {
  font-size: var(--text-xl);
}

/* Brain Waves */
.waves-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.wave-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.wave-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
}

.wave-visual {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.wave-visual.gamma {
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.1), transparent);
}

.wave-visual.beta {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.1), transparent);
}

.wave-visual.alpha {
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.1), transparent);
}

.wave-visual.theta {
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.1), transparent);
}

.wave-visual.delta {
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.1), transparent);
}

.wave-canvas {
  width: 100%;
  height: 60px;
}

.wave-info {
  padding: var(--space-4);
}

.wave-name {
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.wave-frequency {
  font-size: var(--text-xs);
  color: var(--color-accent-cyan);
  font-family: var(--font-mono);
}

.wave-description {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  line-height: 1.5;
}

/* Plasticity Section */
.plasticity-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.plasticity-demo {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 400px;
}

.synapse-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.neuron {
  width: 60px;
  height: 60px;
  background: var(--gradient-neural);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.neuron.pre::after {
  content: 'Pre';
  font-size: var(--text-xs);
  color: white;
  font-weight: 600;
}

.neuron.post::after {
  content: 'Post';
  font-size: var(--text-xs);
  color: white;
  font-weight: 600;
}

.synaptic-cleft {
  width: 80px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
}

.neurotransmitter {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-accent-cyan);
  border-radius: 50%;
  top: -3px;
  animation: transmit 1.5s ease-in-out infinite;
}

.neurotransmitter:nth-child(1) { left: 10%; animation-delay: 0s; }
.neurotransmitter:nth-child(2) { left: 45%; animation-delay: 0.5s; }
.neurotransmitter:nth-child(3) { left: 80%; animation-delay: 1s; }

@keyframes transmit {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(-10px); opacity: 0.5; }
}

.plasticity-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.strength-bar {
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 70%;
  background: var(--gradient-neural);
  border-radius: var(--radius-full);
  animation: strengthen 3s ease-in-out infinite alternate;
}

@keyframes strengthen {
  0% { width: 30%; }
  100% { width: 90%; }
}

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

.plasticity-types {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.plasticity-type {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.plasticity-type-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-neural);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.plasticity-type-content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.plasticity-type-content p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* Interactive Cortex Map */
.cortex-map-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  overflow: hidden;
}

.cortex-map {
  position: relative;
  min-height: 400px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.cortex-region {
  position: absolute;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.cortex-region:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
}

.cortex-region.active {
  background: rgba(0, 212, 255, 0.3);
  border-color: var(--color-accent-cyan);
}

.region-motor {
  top: 10%;
  left: 10%;
  width: 35%;
  height: 25%;
}

.region-sensory {
  top: 40%;
  left: 10%;
  width: 35%;
  height: 25%;
}

.region-visual {
  bottom: 10%;
  right: 10%;
  width: 35%;
  height: 30%;
}

.region-auditory {
  top: 40%;
  right: 10%;
  width: 30%;
  height: 20%;
}

.region-association {
  top: 10%;
  right: 10%;
  width: 30%;
  height: 25%;
}

.region-name {
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
}

.cortex-info-panel {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.info-panel-content {
  text-align: center;
}

.info-default {
  color: var(--color-text-muted);
}

.info-default i {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
  display: block;
}

.info-content h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-accent-cyan);
}

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

.info-content ul {
  list-style: none;
  margin-top: var(--space-4);
  text-align: left;
}

.info-content li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  padding-left: var(--space-4);
  position: relative;
}

.info-content li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent-cyan);
}

/* 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) {
  .cortex-intro-layout,
  .homunculus-layout,
  .plasticity-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  
  .cortex-intro-content,
  .homunculus-content,
  .plasticity-content {
    max-width: 100%;
  }
  
  .lobes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .waves-container {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .cortex-map-container {
    grid-template-columns: 1fr;
  }
  
  .cortex-map {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .lobes-grid {
    grid-template-columns: 1fr;
  }
  
  .waves-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-stats {
    gap: var(--space-4);
  }
  
  .homunculus-stats {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}