/* Main Content Styles */
.main-content {
    padding: 80px 0;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.illustration-container {
    text-align: center;
    padding: 20px;
}

.img-404 {
    max-width: 100%;
    height: auto;
    width: 400px;
}

.error-content {
    text-align: center;
    padding: 20px;
}

.error-title {
    font-size: 72px;
    font-weight: 700;
    color: #D32F2F;
    margin-bottom: 20px;
    line-height: 1;
}

.error-message {
    font-size: 18px;
    color: #666666;
    margin-bottom: 30px;
    font-weight: 400;
}

.btn-back {
    background-color: #D32F2F;
    color: #FFFFFF;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.btn-back:hover {
    background-color: #B71C1C;
    text-decoration: none;
    color: #FFFFFF;
}