* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
}

.background-gradient {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Header Styles */
.header {
  padding: 1rem 0;
  position: relative;
  z-index: 100;
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-link {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.brand-link:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Main Content */
.main {
  padding: 2rem 0 4rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.content-card {
  background: white;
  border-radius: 1rem;
  padding: 3rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.page-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 0.5rem;
  text-align: center;
}

.last-updated {
  text-align: center;
  color: #666;
  margin-bottom: 2rem;
  font-style: italic;
}

.content {
  max-width: none;
}

.section {
  margin-bottom: 2rem;
}

.section h2 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #667eea;
}

.section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #444;
  margin: 1.5rem 0 0.5rem;
}

.section p {
  margin-bottom: 1rem;
  color: #555;
  line-height: 1.7;
}

.section ul {
  margin: 1rem 0 1rem 1.5rem;
  color: #555;
}

.section li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.section li strong {
  color: #333;
  font-weight: 600;
}

/* Footer */
.footer {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 2rem 0 1rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand h3 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 1rem;
    padding: 0 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .content-card {
    padding: 2rem 1.5rem;
  }

  .page-title {
    font-size: 2rem;
  }

  .section h2 {
    font-size: 1.3rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .content-card {
    padding: 1.5rem 1rem;
  }

  .page-title {
    font-size: 1.8rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}