* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    background-color: #f0f4f8;
    color: #333;
  }
  
  .container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
    padding: 2rem 0;
  }
  
  header {
    background: linear-gradient(135deg, #007acc, #00c6ff);
    color: white;
    padding: 4rem 0;
    text-align: center;
  }
  
  header h1 {
    font-size: 3rem;
  }
  
  .tagline {
    font-size: 1.4rem;
    margin-top: 0.5rem;
    font-style: italic;
  }
  
  section {
    margin: 2rem 0;
  }
  
  h2 {
    margin-bottom: 1rem;
    color: #007acc;
    font-size: 1.8rem;
  }
  
  ul {
    list-style-type: square;
    padding-left: 1.5rem;
  }
  
  .projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
  }
  
  .project-card {
    background: white;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
  }
  
  .project-card:hover {
    transform: scale(1.02);
  }
  
  footer {
    background-color: #111;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
  }