body {
    background: radial-gradient(circle at top, #2a475e 0%, #1b2838 70%);
    color: #c7d5e0;
    font-family: 'Rajdhani', sans-serif;
    height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-container {
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 50px 60px;
    border-radius: 12px;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.7);
    max-width: calc(100% - 30px);
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: #66c0f4;
    text-shadow: 0 0 30px rgba(102, 192, 244, 0.7);
}

.error-text {
    font-size: 1.8rem;
    margin-top: -15px;
    color: #c7d5e0;
}

.error-subtext {
    font-size: 1rem;
    color: #8f98a0;
}

.btn-simplejoy {
    background: linear-gradient(90deg, #1b2838, #2a475e);
    color: #c7d5e0;
    border: 1px solid #66c0f4;
    padding: 10px 30px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.btn-simplejoy:hover {
    background: linear-gradient(90deg, #2a475e, #1b2838);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(102, 192, 244, 0.6);
    text-decoration: none;
}

.simplejoy-logo {
    width: 80px;
    opacity: 0.8;
    margin-bottom: 15px;
}

@media (max-width: 576px) {
    .error-code {
        font-size: 5rem;
    }
    .error-container {
        padding: 30px 20px;
    }
}