body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
    color: #333;
  }
  
  header {
    background-color: #1f1f1f;
    color: white;
    text-align: center;
    padding: 1em 0;
  }
  
  nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 10px;
  }
  
  nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
  }
  
  main {
    padding: 20px;
    max-width: 1200px;
    margin: auto;
  }
  
  .two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
  }
  
  .left-column, .right-column {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  }
  
  .project {
    border-left: 5px solid #007acc;
    padding-left: 15px;
    margin-bottom: 15px;
  }
  
  ul {
    list-style: disc;
    padding-left: 20px;
  }
  
  form {
    display: flex;
    flex-direction: column;
  }
  
  form input, form textarea {
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  form button {
    background-color: #007acc;
    color: white;
    padding: 10px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    border-radius: 5px;
  }
  
  form button:hover {
    background-color: #005f99;
  }
  
  #formMessage {
    margin-top: 10px;
    font-weight: bold;
  }
  
  .hidden {
    display: none;
  }
  
  footer {
    text-align: center;
    padding: 1em;
    background-color: #1f1f1f;
    color: white;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .two-column {
      grid-template-columns: 1fr;
    }
  
    nav ul {
      flex-direction: column;
      gap: 10px;
    }
  }