/*======================
    404 page
=======================*/

/* Main 404 page container */
.page_404 {
    padding: 40px 0;
    background: #fff;
    font-family: 'Arvo', serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Image responsive design */
.page_404 img {
    width: 100%;
    height: auto;
    max-width: 100%;
}

/* 404 background section */
.four_zero_four_bg {
    background-image: url(https://cdn.dribbble.com/users/285475/screenshots/2083086/dribbble_1.gif);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    height: 400px;
    position: relative;
}

/* 404 heading */
.four_zero_four_bg h1 {
    font-size: 80px;
    color: #333;
    margin: 0;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

/* Secondary heading */
.four_zero_four_bg h3 {
    font-size: 80px;
    color: #333;
    margin: 0;
}

/* Home link button */
.link_404 {
    color: #fff !important;
    padding: 12px 25px;
    background: #39ac31;
    margin: 20px 0;
    display: inline-block;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.link_404:hover {
    background: #2e8a26;
    color: #fff !important;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Content box */
.contant_box_404 {
    margin-top: -50px;
    text-align: center;
}

.contant_box_404 h3 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
}

.contant_box_404 p {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .four_zero_four_bg {
        height: 250px;
    }
    
    .four_zero_four_bg h1 {
        font-size: 60px;
    }
    
    .contant_box_404 h3 {
        font-size: 28px;
    }
    
    .contant_box_404 p {
        font-size: 16px;
    }
    
    .link_404 {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .page_404 {
        padding: 20px 0;
    }
    
    .four_zero_four_bg {
        height: 200px;
    }
    
    .four_zero_four_bg h1 {
        font-size: 48px;
    }
    
    .contant_box_404 h3 {
        font-size: 24px;
    }
    
    .contant_box_404 p {
        font-size: 14px;
    }
    
    .contant_box_404 {
        margin-top: -30px;
    }
}

/* Accessibility improvements */
.four_zero_four_bg h1:focus,
.link_404:focus {
    outline: 2px solid #39ac31;
    outline-offset: 2px;
}

/* Loading state for background image */
.four_zero_four_bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f8f9fa;
    z-index: -1;
}