body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(135deg, #1a1a1a, #333);
      color: #fff;
    }

    header {
      background-color: #222;
      padding: 20px;
      text-align: center;
      box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    }

    header h1 {
      margin: 0;
      font-size: 2.5rem;
      color: #ffcc00;
      text-shadow: 2px 2px 4px #000;
    }

    nav ul {
      list-style: none;
      padding: 0;
      display: flex;
      justify-content: center;
      gap: 30px;
      margin-top: 10px;
    }

    nav ul li, nav ul a {
      display: inline-block;
      text-decoration: none;
      color: #fff;
      font-weight: bold;
      transition: 0.3s;
    }

    nav ul a:hover {
      color: #ffcc00;
      transform: scale(1.1);
    }

    main {
      text-align: center;
      padding: 50px 20px;
    }

    main h1 {
      font-size: 3rem;
      color: #ff9900;
      animation: fadeIn 2s ease-in-out;
    }

    @keyframes fadeIn {
      0% { opacity: 0; transform: translateY(-20px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    .button {
      display: inline-block;
      margin-top: 30px;
      padding: 15px 30px;
      font-size: 1.2rem;
      color: #fff;
      background-color: #ff6600;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      transition: 0.3s;
      text-decoration: none;
    }

    .button:hover {
      background-color: #ff9900;
      transform: scale(1.1);
    }