/* Genel Ayarlar */
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: #dc3545;
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            min-height: 100vh;
            flex-direction: column;
            position: relative;
        }

        /* Başlık */
        h1 {
            font-size: 4rem; /* Büyük başlık */
            font-weight: 900;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        /* Mesaj */
        p {
            font-size: 1.5rem;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        /* Geri Git Butonu */
        .btn {
            display: inline-block;
            padding: 15px 30px;
            background-color: white;
            color: #dc3545;
            font-size: 1.2rem;
            font-weight: bold;
            text-transform: uppercase;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn:hover {
            background-color: #f8d7da;
            color: #721c24;
        }

        /* Footer */
        .footer {
            position: absolute;
            bottom: 10px;
            width: 100%;
            text-align: center;
            font-size: 0.9rem;
            color: white;
        }

        .footer a {
            color: #f8f9fa;
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }