/* Article Page Styles */

/* Header Styles */
.article-header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.article-nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #27ae60;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #2c3e50;
    cursor: pointer;
}

/* Breadcrumb */
.breadcrumb {
    background: #f8f9fa;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb a {
    color: #6c757d;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #27ae60;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #6c757d;
}

.breadcrumb .current {
    color: #2c3e50;
    font-weight: 500;
}

/* Hero Section */
.article-hero {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.8), rgba(39, 174, 96, 0.6));
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-content .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-category {
    background: #27ae60;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid white;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.publish-date {
    font-size: 0.9rem;
    opacity: 0.9;
}

.reading-time {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

/* Main Content */
.article-main {
    padding: 4rem 0;
    background: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.article-content {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* Article Summary */
.article-summary {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 4px solid #27ae60;
}

.article-summary h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.article-summary p {
    color: #6c757d;
    line-height: 1.6;
    margin: 0;
}

/* Table of Contents */
.table-of-contents {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.table-of-contents h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents a {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.3s ease;
}

.table-of-contents a:hover {
    color: #27ae60;
}

/* Article Body */
.article-body {
    line-height: 1.8;
    color: #2c3e50;
}

.article-body h2 {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    font-size: 1.8rem;
    border-bottom: 2px solid #27ae60;
    padding-bottom: 0.5rem;
}

.article-body h3 {
    color: #2c3e50;
    margin: 1.5rem 0 1rem 0;
    font-size: 1.4rem;
}

.article-body p {
    margin-bottom: 1.5rem;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #e8f5e8, #f0f8f0);
    border: 1px solid #27ae60;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.highlight-box h3 {
    color: #27ae60;
    margin-bottom: 1rem;
}

.highlight-box ul {
    margin: 0;
}

.highlight-box li {
    margin-bottom: 0.5rem;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.info-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: #27ae60;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
    color: white;
    font-size: 1.5rem;
}

.info-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.info-card p {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 0;
}

/* Timeline */
.timeline {
    position: relative;
    margin: 2rem 0;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #27ae60;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -23px;
    top: 0;
    width: 16px;
    height: 16px;
    background: #27ae60;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #27ae60;
}

.timeline-content {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    margin-left: 1rem;
}

.timeline-content h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #6c757d;
    margin: 0;
}

/* Call to Action */
.article-cta {
    background: linear-gradient(135deg, #2c3e50, #27ae60);
    color: white;
    border-radius: 12px;
    padding: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.article-cta h3 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.article-cta p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: white;
    color: #2c3e50;
}

.btn-primary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2c3e50;
}

/* Social Share */
.social-share {
    border-top: 1px solid #e9ecef;
    padding-top: 2rem;
    margin-top: 2rem;
}

.social-share h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.share-buttons {
    display: flex;
    gap: 1rem;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.share-btn.linkedin {
    background: #0077b5;
    color: white;
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
}

.share-btn.facebook {
    background: #1877f2;
    color: white;
}

.share-btn.email {
    background: #6c757d;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Sidebar */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.sidebar-widget h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    border-bottom: 2px solid #27ae60;
    padding-bottom: 0.5rem;
}

/* Author Bio */
.author-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.author-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.author-info h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.author-info p {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.author-link {
    color: #27ae60;
    text-decoration: none;
    font-weight: 600;
}

.author-link:hover {
    text-decoration: underline;
}

/* Related Articles */
.related-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.related-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e9ecef;
}

.related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-item img {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    object-fit: cover;
}

.related-content h4 {
    margin-bottom: 0.5rem;
}

.related-content h4 a {
    color: #2c3e50;
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.3;
}

.related-content h4 a:hover {
    color: #27ae60;
}

.related-date {
    color: #6c757d;
    font-size: 0.8rem;
}

/* Newsletter */
.newsletter p {
    color: #6c757d;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.newsletter-form input {
    padding: 12px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    font-size: 0.9rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: #27ae60;
}

.newsletter-form .btn {
    justify-content: center;
}

/* Contact Info */
.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
    color: #6c757d;
}

.contact-item i {
    color: #27ae60;
    width: 20px;
}

/* Footer */
.article-footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #27ae60;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #27ae60;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #34495e;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background: #27ae60;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #bdc3c7;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #27ae60;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .article-title {
        font-size: 2rem;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .article-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .article-content {
        padding: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .share-buttons {
        flex-wrap: wrap;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}