<!DOCTYPE html>
<html lang="az">
<head>
  <meta charset="UTF-8">
  <title>Səhifə Tapılmadı</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    body {
      margin: 0;
      padding: 0;
      background: linear-gradient(145deg, #0f2027, #203a43, #2c5364);
      color: #fff;
      font-family: 'Segoe UI', sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      overflow: hidden;
      animation: bgFade 2s ease-in-out;
    }

    .error-container {
      text-align: center;
      max-width: 600px;
      padding: 40px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 20px;
      box-shadow: 0 0 30px rgba(0,255,255,0.1);
      backdrop-filter: blur(8px);
      animation: fadeIn 1.5s ease forwards;
    }

    .error-container img {
      width: 200px;
      margin-bottom: 20px;
      animation: float 3s ease-in-out infinite;
    }

    .error-container h1 {
      font-size: 42px;
      margin-bottom: 20px;
      color: #00ffe1;
      text-shadow: 0 0 10px rgba(0,255,255,0.6);
    }

    .error-container p {
      font-size: 18px;
      margin-bottom: 30px;
      color: #d0d0d0;
    }

    .error-container button {
      padding: 14px 40px;
      font-size: 18px;
      border: 2px solid #00ffc3;
      background: transparent;
      color: #00ffc3;
      border-radius: 10px;
      cursor: pointer;
      transition: 0.4s ease;
    }

    .error-container button:hover {
      background: #00ffc3;
      color: #1b1b2f;
      box-shadow: 0 0 15px #00ffc3;
      transform: scale(1.05);
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @keyframes bgFade {
      from { background-color: #000; }
      to { background: linear-gradient(145deg, #0f2027, #203a43, #2c5364); }
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }
  </style>
</head>
<body>
  <div class="error-container">
    <img src="https://cdn-icons-png.flaticon.com/512/564/564619.png" alt="Xəta">
    <h1>Xəta Baş Verdi</h1>
    <p>Bağışlayın, axtardığınız səhifə tapılmadı və ya mövcud deyil.</p>
    <button onclick="window.location.href='/'">Ana Səhifəyə Qayıt</button>
  </div>
</body>
</html>