/* article-mechanical.css */
/* Article specific styles - MÀU VÀNG CƠ KHÍ */
.article-header {
    background: linear-gradient(135deg, rgba(204, 153, 0, 0.2), rgba(204, 173, 51, 0.1));
    padding: 120px 20px 60px;
    padding-top: 60px;
    text-align: center;
    border-bottom: 3px solid #cc9900;
    margin-top: 80px;
}

.article-header h1 {
    color: #cc9900;
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-meta-top {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    color: #ddb347;
    font-size: 1rem;
}

.article-content {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 20px;
    color: #ccf5ff;
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 30px 0;
}

.article-tag {
    background: rgba(204, 153, 0, 0.2);
    color: #ddb347;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(204, 153, 0, 0.4);
}

.article-section {
    margin: 50px 0;
}

.article-section h2 {
    color: #ddb347;
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(204, 153, 0, 0.3);
}

.article-section h3 {
    color: #ffd700;
    font-size: 1.4rem;
    margin: 30px 0 15px 0;
}

.quote-box {
    background: rgba(204, 153, 0, 0.1);
    border-left: 4px solid #cc9900;
    padding: 25px;
    margin: 30px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
}

.quote-box strong {
    color: #ddb347;
    display: block;
    margin-top: 10px;
    font-style: normal;
}

.highlight-box {
    background: linear-gradient(135deg, rgba(204, 153, 0, 0.15), rgba(204, 173, 51, 0.1));
    border: 1px solid rgba(204, 153, 0, 0.3);
    border-radius: 10px;
    padding: 25px;
    margin: 25px 0;
}

.highlight-box h4 {
    color: #cc9900;
    margin: 0 0 15px 0;
    font-size: 1.2rem;
}

.step-box {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    border-left: 3px solid #cc9900;
}

.step-number {
    display: inline-block;
    background: #cc9900;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    margin-right: 10px;
    font-weight: bold;
}

.back-button {
    text-align: center;
    margin: 60px 0 30px;
}

.back-button a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #ddb347;
    text-decoration: none;
    font-size: 1rem;
    padding: 12px 30px;
    background: rgba(204, 153, 0, 0.1);
    border-radius: 25px;
    border: 1px solid rgba(204, 153, 0, 0.3);
    transition: all 0.3s ease;
}

.back-button a:hover {
    background: rgba(204, 153, 0, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(204, 153, 0, 0.2);
}

.author-info {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 25px;
    margin: 40px 0;
    border: 1px solid rgba(204, 153, 0, 0.3);
}

.author-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #cc9900, #ddb347);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.author-name {
    color: #ddb347;
    font-size: 1.2rem;
    font-weight: 600;
}

.author-role {
    color: #99e6ff;
    font-size: 0.9rem;
}

/* Image comparison styles */
.image-comparison {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
    justify-content: center;
}

.image-item {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.image-placeholder {
    width: 100%;
    height: 200px;
    background: rgba(204, 153, 0, 0.1);
    border: 2px solid rgba(204, 153, 0, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ddb347;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.image-caption {
    color: #ccf5ff;
    font-size: 0.9rem;
    font-style: italic;
}

/* Table styles */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.comparison-table th {
    background: rgba(204, 153, 0, 0.2);
    color: #ddb347;
    padding: 15px;
    text-align: left;
    border-bottom: 2px solid rgba(204, 153, 0, 0.3);
}

.comparison-table td {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccf5ff;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover {
    background: rgba(204, 153, 0, 0.05);
}

.method-icon {
    font-size: 1.8rem;
    margin-right: 10px;
    vertical-align: middle;
}

/* Process list */
.process-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.process-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 8px;
    border-top: 3px solid #cc9900;
}

.process-item h4 {
    color: #ddb347;
    margin: 0 0 10px 0;
}

.process-item p {
    color: #ccf5ff;
    margin: 0;
    font-size: 0.95rem;
}