:root {
    --bg: #0f172a;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --accent: #38bdf8;
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
  }
  
  header {
    padding: 3rem 1rem;
    text-align: center;
    border-bottom: 1px solid #1f2933;
  }
  
  .subtitle {
    color: var(--muted);
  }
  
  main {
    max-width: 800px;
    margin: auto;
    padding: 2rem 1rem;
  }
  
  section {
    margin-bottom: 2.5rem;
  }
  
  h2 {
    color: var(--accent);
    margin-bottom: 0.5rem;
  }
  
  .skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    padding-left: 1rem;
  }
  
  a {
    color: var(--accent);
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  footer {
    text-align: center;
    padding: 2rem;
    color: var(--muted);
    border-top: 1px solid #1f2933;
  }
  
  .social-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    filter: invert(1);
  }