/* Case Study Detail Page Modern Styles */

/* Hero Section */
.case-study-hero {
  padding-top: var(--space-20);
  padding-bottom: var(--space-16);
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}

.case-study-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(9, 105, 218, 0.03) 0%, 
    rgba(124, 58, 237, 0.02) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-text h1 {
  font-size: var(--text-5xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  line-height: 1.1;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.hero-meta {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.meta-item i {
  color: var(--color-primary);
}

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: white;
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: contain;
}

/* Overview Section */
.overview-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-primary);
}

.overview-container {
  max-width: 1200px;
  margin: 0 auto;
}

.overview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-12);
}

.overview-content h2 {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.overview-content p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.overview-sidebar {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  height: fit-content;
  position: sticky;
  top: var(--space-24);
}

.sidebar-section {
  margin-bottom: var(--space-8);
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-section h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-section h3 i {
  color: var(--color-primary);
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.sidebar-list li i {
  color: var(--color-primary);
  margin-top: 4px;
  flex-shrink: 0;
}

/* Challenge Solution Section */
.challenge-solution-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.challenge-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

.challenge-card,
.solution-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}

.challenge-card {
  border-top: 4px solid #ef4444;
}

.solution-card {
  border-top: 4px solid #10b981;
}

.challenge-card h3,
.solution-card h3 {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.challenge-card h3 {
  color: #ef4444;
}

.solution-card h3 {
  color: #10b981;
}

.challenge-card h3 i,
.solution-card h3 i {
  font-size: var(--text-3xl);
}

.challenge-list,
.solution-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.challenge-list li,
.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.challenge-list li i {
  color: #ef4444;
  margin-top: 4px;
  flex-shrink: 0;
}

.solution-list li i {
  color: #10b981;
  margin-top: 4px;
  flex-shrink: 0;
}

/* Results Section */
.results-section {
  padding: var(--space-24) 0;
  background: var(--color-bg-primary);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.result-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
}

.result-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.result-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-purple) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: var(--text-2xl);
  color: white;
}

.result-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.result-label {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* Testimonial Section */
.testimonial-section {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, #f8faff 0%, #fff5f7 100%);
}

.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.quote-icon {
  font-size: var(--text-5xl);
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: var(--space-6);
}

.testimonial-text {
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.author-info h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

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

/* CTA Section */
.case-study-cta {
  padding: var(--space-20) 0;
  background: var(--color-bg-primary);
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.cta-content p {
  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;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .hero-image {
    order: -1;
    margin-bottom: var(--space-8);
  }
  
  .overview-grid {
    grid-template-columns: 1fr;
  }
  
  .overview-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .case-study-hero h1 {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .challenge-solution-grid {
    grid-template-columns: 1fr;
  }
  
  .results-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-text {
    font-size: var(--text-xl);
  }
}

/* Animations */
.hero-content > * {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}

.hero-text {
  animation-delay: 0.2s;
}

.hero-image {
  animation-delay: 0.4s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}