/* Blog Post Page Styles - CyberOTSecure */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --text-primary: #ffffff;
    --text-secondary: #c0c0c0;
    --text-muted: #888888;
    --accent-blue: #00aaff;
    --accent-green: #27ae60;
    --border-color: rgba(255, 255, 255, 0.1);
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition-normal: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Header */
.header {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 2rem;
}

.logo-main {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.logo-sub {
    display: block;
    font-size: 0.75rem;
    color: var(--accent-green);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-blue);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0080ff 0%, #0066cc 100%);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Article Container */
.article-container {
    max-width: 900px;
    margin: 0 auto;
    padding: calc(70px + var(--spacing-2xl)) 2rem var(--spacing-3xl);
}

/* Article Header */
.article-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.article-category {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 170, 255, 0.1);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-decoration: none;
    transition: background var(--transition-normal);
}

.article-category:hover {
    background: rgba(0, 170, 255, 0.2);
}

.article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

/* Featured Image */
.featured-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Article Content */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.article-content h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-content h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.article-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.article-content li strong {
    color: var(--text-primary);
}

.article-content a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-normal);
}

.article-content a:hover {
    border-bottom-color: var(--accent-blue);
}

.article-content code {
    background: var(--bg-card);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--accent-blue);
    font-size: 0.95em;
}

.article-content pre {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.article-content pre code {
    background: none;
    padding: 0;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
}

.article-content blockquote {
    border-left: 4px solid var(--accent-blue);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--text-muted);
}

/* Back to Blog */
.back-to-blog {
    margin-bottom: var(--spacing-xl);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: transform var(--transition-normal);
}

.back-link:hover {
    transform: translateX(-5px);
}

/* Footer */
.footer {
    background: #0a0c10;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 768px) {

    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .article-container {
        padding: calc(70px + var(--spacing-lg)) 1.5rem var(--spacing-2xl);
    }

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

    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .article-content h2 {
        font-size: 1.5rem;
    }

    .article-content h3 {
        font-size: 1.25rem;
    }
}