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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  max-width: 1200px;
  width: 100%;
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 60px 40px;
}

header {
  text-align: center;
  margin-bottom: 60px;
}

header h1 {
  font-size: 3.5rem;
  color: #667eea;
  margin-bottom: 10px;
  font-weight: 800;
}

.tagline {
  font-size: 1.3rem;
  color: #666;
}

.intro {
  text-align: center;
  margin-bottom: 50px;
  font-size: 1.1rem;
  color: #555;
}

.projects h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
  color: #333;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.project-card {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 30px;
  border-radius: 15px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #667eea;
}

.project-card p {
  margin-bottom: 20px;
  color: #555;
}

.project-link {
  display: inline-block;
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.project-link:hover {
  color: #764ba2;
}

footer {
  text-align: center;
  padding-top: 40px;
  border-top: 2px solid #eee;
  color: #999;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .container {
    padding: 40px 20px;
  }
  
  header h1 {
    font-size: 2.5rem;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
  }
}