.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,96C1248,75,1344,53,1392,42.7L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.5;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section {
    padding: 80px 0;
}

.article-container {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.article-header {
    padding: 3rem;
    border-bottom: 2px solid #f1f3f5;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.badge-company {
    background: rgba(26, 95, 122, 0.1);
    color: var(--primary);
}

.badge-industry {
    background: rgba(21, 152, 149, 0.1);
    color: var(--accent);
}

.badge-faq {
    background: rgba(108, 117, 125, 0.1);
    color: var(--gray);
}

.article-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--gray);
    font-size: 0.95rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-body {
    padding: 3rem;
}

.article-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--dark);
}

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

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(26, 95, 122, 0.1);
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin: 2rem 0 1rem;
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.75rem;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    background: rgba(26, 95, 122, 0.05);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--gray);
}

.article-tags {
    padding: 2rem 3rem;
    background: #f8f9fa;
    border-top: 2px solid #f1f3f5;
}

.tags-label {
    font-weight: 600;
    color: var(--dark);
    margin-right: 1rem;
}

.tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 50px;
    color: var(--gray);
    font-size: 0.9rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.article-nav {
    padding: 2rem 3rem;
    border-top: 2px solid #f1f3f5;
}

.nav-item-custom {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
    margin-bottom: 1rem;
}

.nav-item-custom:hover {
    background: #f8f9fa;
}

.nav-item-custom:hover .nav-title {
    color: var(--primary);
}

.nav-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.nav-content {
    flex: 1;
}

.nav-label {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 0.25rem;
}

.nav-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
    line-height: 1.4;
}

.related-news {
    margin-top: 3rem;
}

.related-news h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.related-news h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 2px;
}

.related-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.related-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(26, 95, 122, 0.1);
}

.related-date {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.related-title a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.related-card:hover .related-title a {
    color: var(--primary);
}

.btn-custom {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-light-custom {
    background: var(--white);
    color: var(--primary);
}

.btn-light-custom:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.btn-outline-custom {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-custom:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    color: var(--white);
}

@media (max-width: 991px) {
    .page-header h1 {
        font-size: 2.5rem;
    }

    .section {
        padding: 80px 0;
    }

    .article-header,
    .article-body {
        padding: 2rem;
    }

    .article-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 80px 0 60px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .article-header,
    .article-body {
        padding: 1.5rem;
    }

    .article-title {
        font-size: 1.5rem;
    }

    .article-content {
        font-size: 1rem;
    }

    .article-tags,
    .article-nav {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .page-header h1 {
        font-size: 1.75rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .related-list {
        grid-template-columns: 1fr;
    }
}