<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
            color: #ffffff;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow-x: hidden;
            position: relative;
        }

        /* Animated background elements */
        .bg-circle {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(74, 107, 255, 0.1) 0%, transparent 70%);
            animation: float 6s ease-in-out infinite;
        }

        .bg-circle:nth-child(1) {
            width: 300px;
            height: 300px;
            top: 10%;
            left: 5%;
            animation-delay: 0s;
        }

        .bg-circle:nth-child(2) {
            width: 200px;
            height: 200px;
            bottom: 15%;
            right: 10%;
            animation-delay: 2s;
        }

        .bg-circle:nth-child(3) {
            width: 150px;
            height: 150px;
            top: 50%;
            left: 15%;
            animation-delay: 4s;
        }

        .container {
            max-width: 1200px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 60px;
            position: relative;
            z-index: 2;
        }

        .content {
            flex: 1;
            max-width: 500px;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.5px;
        }

        .error-code {
            font-size: 7rem;
            font-weight: 700;
            line-height: 1;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #4a6bff, #8a2be2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .error-title {
            font-size: 2rem;
            font-weight: 500;
            margin-bottom: 15px;
            color: rgba(255, 255, 255, 0.95);
        }

        .error-subtitle {
            font-size: 1.1rem;
            line-height: 1.5;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 40px;
        }

        .animation-container {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .error-animation {
            max-width: 100%;
            max-height: 400px;
            border-radius: 16px;
            box-shadow:
                    0 0 50px rgba(74, 107, 255, 0.3),
                    0 0 100px rgba(138, 43, 226, 0.2);
        }

        .footer {
            margin-top: 60px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.9rem;
            position: relative;
            z-index: 2;
        }

        /* Animations */
        @keyframes float {
            0%, 100% {
                transform: translateY(0) scale(1);
            }
            50% {
                transform: translateY(-20px) scale(1.05);
            }
        }

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

        .content > * {
            animation: fadeInUp 0.8s ease-out forwards;
            opacity: 0;
        }

        .logo { animation-delay: 0.1s; }
        .error-code { animation-delay: 0.3s; }
        .error-title { animation-delay: 0.5s; }
        .error-subtitle { animation-delay: 0.7s; }
        .animation-container { animation-delay: 0.9s; }
        .footer { animation-delay: 1.1s; }

        /* Responsive Design */
        @media (max-width: 968px) {
            .container {
                flex-direction: column;
                text-align: center;
                gap: 40px;
            }

            .content {
                max-width: 100%;
            }

            .error-code {
                font-size: 5rem;
            }

            .error-title {
                font-size: 1.7rem;
            }

            .error-subtitle {
                font-size: 1rem;
            }

            .error-animation {
                max-height: 300px;
            }
        }

        @media (max-width: 480px) {
            .error-code {
                font-size: 4rem;
            }

            .error-title {
                font-size: 1.5rem;
            }

            .logo {
                font-size: 1.5rem;
                margin-bottom: 30px;
            }

            .error-animation {
                max-height: 250px;
            }
        }
    </style>
</head>
<body>
<!-- Animated background elements -->
<div class="bg-circle"></div>
<div class="bg-circle"></div>
<div class="bg-circle"></div>

<div class="container">
    <div class="content">
        <div class="logo">levelx-studio.com</div>
        <h1 class="error-code">404</h1>
        <h2 class="error-title">Page Not Found</h2>
        <p class="error-subtitle">The page you're looking for doesn't exist</p>
    </div>

    <div class="animation-container">
        <img src="https://cdn.dribbble.com/userupload/22651934/file/original-93658d2281b97b4258166658df2b722e.gif"
             alt="LevelX Studio Error Animation" class="error-animation">
    </div>
</div>

<div class="footer">
    <p>LevelX Studio</p>
</div>
</body>
</html>