:root {
    --bg: #0f172a;
    --text: #ffffff;
    --card: #1e293b;
  }
  
  body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: 0.3s;
  }
  
  /* DARK MODE LIGHT VERSION */
  .light {
    --bg: #ffffff;
    --text: #111;
    --card: #f1f5f9;
  }
  
  /* NAVBAR */
  .navbar {
    display: flex;
    justify-content: space-between;
    padding: 20px;
  }
  
  .navbar a {
    margin: 0 10px;
    text-decoration: none;
    color: var(--text);
  }
  
  button {
    cursor: pointer;
  }
  
  /* HERO */
  .hero {
    height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
  }
  
  .hero span {
    color: #38bdf8;
  }
  
  .btn {
    padding: 10px 20px;
    background: #38bdf8;
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: 0.3s;
  }
  
  .btn:hover {
    transform: scale(1.1);
  }
  
  /* PROJECTS */
  .projects {
    padding: 60px 20px;
    text-align: center;
  }
  
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
  }
  
  .card {
    background: var(--card);
    padding: 20px;
    border-radius: 12px;
    transition: 0.4s;
  }
  
  .card:hover {
    transform: translateY(-10px) scale(1.03);
  }
  
  /* CONTACT */
  .contact {
    text-align: center;
    padding: 50px;
  }
  
  /* FOOTER */
  footer {
    text-align: center;
    padding: 20px;
  }
  
  /* SCROLL ANIMATION */
  .card, .hero, .contact {
    opacity: 0;
    transform: translateY(40px);
    transition: 0.6s;
  }
  
  .show {
    opacity: 1;
    transform: translateY(0);
  }