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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f5f5f5;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  padding: 40px 20px;
  background: white;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
  font-size: 2.5rem;
  color: #1a1a1a;
  margin-bottom: 10px;
}

.tagline {
  font-size: 1.2rem;
  color: #666;
}

main {
  flex: 1;
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 20px;
}

.content {
  max-width: 700px;
  margin: 0 auto;
}

.content h2 {
  font-size: 1.8rem;
  color: #1a1a1a;
  margin-top: 30px;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e0e0e0;
}

.content h3 {
  font-size: 1.4rem;
  color: #333;
  margin-top: 25px;
  margin-bottom: 10px;
}

.content p {
  margin-bottom: 15px;
  color: #444;
}

.content ul {
  margin-bottom: 20px;
  padding-left: 25px;
}

.content li {
  margin-bottom: 8px;
  color: #444;
}

.content a {
  color: #0066cc;
  text-decoration: none;
}

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

.hero {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 8px;
  margin-bottom: 30px;
}

.hero h2 {
  color: white;
  border-bottom: none;
  margin-top: 0;
}

.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
}

.links {
  text-align: center;
  padding: 30px;
}

.links h3 {
  margin-bottom: 20px;
}

.links ul {
  list-style: none;
  padding: 0;
}

.links li {
  margin-bottom: 10px;
}

.links a {
  display: inline-block;
  padding: 12px 24px;
  background: #0066cc;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s;
}

.links a:hover {
  background: #0052a3;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 30px 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 15px;
}

.footer-links a {
  color: #0066cc;
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-links a:hover {
  text-decoration: underline;
}

.copyright {
  color: #666;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .container {
    padding: 10px;
  }

  header {
    padding: 30px 15px;
  }

  header h1 {
    font-size: 2rem;
  }

  main {
    padding: 25px 20px;
  }

  .content h2 {
    font-size: 1.5rem;
  }

  .content h3 {
    font-size: 1.2rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 10px;
  }
}