.about-container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.about-header {
  text-align: center;
  margin-bottom: 3rem;
}

.about-header h1 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.about-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-section {
  margin-bottom: 3rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.feature-card {
  background: var(--bg-card);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 5px 20px var(--shadow-medium);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.detailed-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content {
  background-color: var(--bg-secondary);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  line-height: 1.7;
}

.about-content h1 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
}

.about-content h2 {
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

.about-content h3 {
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.8rem;
  font-size: 1.4rem;
}

.about-content p {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.about-content ul,
.about-content ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

.about-content li {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.about-content a {
  color: var(--accent);
  text-decoration: none;
}

.about-content a:hover {
  text-decoration: underline;
}

.about-content code {
  background-color: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

.about-content pre {
  background-color: var(--bg-tertiary);
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  margin: 1rem 0;
}

.about-content blockquote {
  border-left: 4px solid var(--accent);
  margin: 1rem 0;
  padding-left: 1rem;
  color: var(--text-secondary);
  font-style: italic;
}

@media (max-width: 768px) {
  .about-header h1 {
    font-size: 2.5rem;
  }

  .about-subtitle {
    font-size: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Horizontal layout for feature cards on mobile */
  .feature-card {
    display: flex;
    align-items: center;
    text-align: left;
    padding: 1.5rem;
  }

  .feature-icon {
    font-size: 2rem;
    margin-bottom: 0;
    margin-right: 1rem;
    flex-shrink: 0;
  }

  .feature-content {
    flex: 1;
  }

  .feature-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }

  .feature-description {
    font-size: 0.9rem;
  }
}