.science-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-dark) 50%, var(--primary-dark) 100%);
}

.science-section .title {
  text-align: center;
  margin-bottom: 10px;
}

.science-section .subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.articles-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.article-card {
  background: rgba(15, 31, 61, 0.7);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.article-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.article-image {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.article-content {
  padding: 25px;
}

.article-category {
  display: inline-block;
  background: rgba(0, 212, 255, 0.15);
  color: var(--primary-blue);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.article-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.article-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.data-section {
  margin-top: 60px;
}

.data-section h3 {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-primary);
}

.data-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.data-card {
  background: rgba(15, 31, 61, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.data-card:hover {
  border-color: var(--primary-green);
  transform: scale(1.05);
}

.data-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 10px;
}

.data-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.chart-container {
  background: rgba(15, 31, 61, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  padding: 40px;
  margin-top: 40px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 20px;
}

.chart-title {
  font-size: 1.4rem;
  color: var(--text-primary);
}

.chart-tabs {
  display: flex;
  gap: 10px;
}

.chart-tab {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.chart-tab.active {
  background: var(--primary-blue);
  color: var(--primary-dark);
  border-color: var(--primary-blue);
}

.chart-bar {
  display: flex;
  align-items: flex-end;
  height: 200px;
  gap: 20px;
  padding: 20px 0;
}

.bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.bar {
  width: 100%;
  max-width: 60px;
  background: var(--gradient-neon);
  border-radius: 8px 8px 0 0;
  transition: height 0.5s ease;
  position: relative;
}

.bar::after {
  content: attr(data-value);
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 0.85rem;
}

.bar-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .articles-container {
    grid-template-columns: 1fr;
  }
  
  .data-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .chart-container {
    padding: 20px;
  }
  
  .chart-bar {
    height: 150px;
  }
}