/* Enhanced About Page Styling */

.about-page {
  padding: 3rem 0;
}

.about-card {
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  border: none;
  padding: 2rem;
  margin-bottom: 3rem;
  transition: all 0.3s ease;
}

.about-card:hover {
  box-shadow: var(--shadow-lg);
}

.about-card .card-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--foreground);
  position: relative;
  padding-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.about-card .card-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--gradient-blue);
  border-radius: 2px;
}

.icon-primary {
  color: var(--primary);
  margin-right: 0.75rem;
  font-size: 1.5rem;
}

.about-grid {
  gap: 2rem;
}

.about-text p {
  color: var(--foreground);
  opacity: 0.8;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.features-list {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(56, 189, 248, 0.05));
  padding: 1.75rem;
  border-radius: 1rem;
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.features-list h3 {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.features-list ul {
  color: var(--foreground);
  opacity: 0.8;
}

.features-list li {
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1.5rem;
}

.features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* Team section */
.team-highlight {
  background: var(--gradient-sunset);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin: 1rem auto;
  width: 100%;
  max-width: 600px;
}

.team-highlight p {
  color: var(--foreground);
  font-weight: 700;
  margin-bottom: 0;
  font-size: 1.125rem;
}

/* Dataset section */
.dataset-info {
  gap: 2.5rem;
}

.dataset-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.dataset-info p {
  color: var(--foreground);
  opacity: 0.8;
  line-height: 1.7;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tag {
  background-color: rgba(14, 165, 233, 0.1);
  color: var(--primary-dark);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.tag:hover {
  background-color: rgba(14, 165, 233, 0.2);
  transform: translateY(-2px);
}

/* External links */
.external-links {
  text-align: center;
  margin: 3rem 0;
}

.external-links h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--foreground);
}

.links-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 28rem;
  margin: 0 auto;
}

.links-container .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.links-container .btn:hover {
  transform: translateY(-3px);
}

.links-container .btn i:first-child {
  font-size: 1.25rem;
}

.links-container .btn i:last-child {
  font-size: 0.875rem;
  margin-left: auto;
}

@media (min-width: 768px) {
  .links-container {
    flex-direction: row;
    justify-content: center;
  }
}