<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Page Not Found | Home</title>
    <meta name="robots" content="noindex, nofollow">
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: system-ui, -apple-system, sans-serif;
            background: #ffffff;
            color: #1a1a2e;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 20px;
        }
        .container { max-width: 520px; }
        .error-code {
            font-size: clamp(80px, 20vw, 140px);
            font-weight: 900;
            line-height: 1;
            color: #2563eb;
            opacity: 0.15;
            margin-bottom: -20px;
        }
        h1 {
            font-size: clamp(1.4rem, 4vw, 2rem);
            margin-bottom: 12px;
            color: #1a1a2e;
        }
        p {
            font-size: 1rem;
            opacity: 0.7;
            margin-bottom: 24px;
            line-height: 1.5;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: #2563eb;
            color: #fff;
            text-decoration: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: opacity 0.2s;
        }
        .btn:hover { opacity: 0.85; }
    </style>
</head>
<body>
    <div class="container">
        <div class="error-code">404</div>
        <h1>Page Not Found</h1>
        <p>The page you're looking for doesn't exist or has been moved.</p>
        <a href="/" class="btn">Back to Homepage</a>
    </div>
</body>
</html>