:root {
    --primary-orange: #FF6B35;
    --orange-light: #FF8C42;
    --orange-dark: #E55A2B;
    --orange-glow: rgba(255, 107, 53, 0.15);
    --white: #FFFFFF;
    --white-light: #FDFDFD;
    --gray-light: #F8F9FA;
    --gray-medium: #E9ECEF;
    --gray-dark: #6C757D;
    --text-dark: #2D3748;
    --text-light: #718096;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 15px 40px rgba(255, 107, 53, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--orange-light) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::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 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 100%; max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    line-height: 1.2;
}

.post-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 1.1rem;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.post-meta i {
    font-size: 1rem;
}

/* Blog Single Section */
.blog-single-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
}

.container {
    max-width: 100%; max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.blog-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Main Blog Content */
.blog-main {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.blog-main:hover {
    box-shadow: var(--box-shadow-hover);
}

.featured-image {
    width: 100%;
    height: 450px;
    overflow: hidden;
    position: relative;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-post:hover .featured-image img {
    transform: scale(1.05);
}

.post-content {
    padding: 3rem;
}

.post-meta-top {
    margin-bottom: 2rem;
}

.category {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--orange-glow);
    color: var(--primary-orange);
    border: 2px solid var(--primary-orange);
}

.category.it-updates {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.category.language-tips {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
    border-color: #3498db;
}

.category.academy-news {
    background: rgba(155, 89, 182, 0.1);
    color: #9b59b6;
    border-color: #9b59b6;
}

.post-body {
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

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

.post-body h1, .post-body h2, .post-body h3, .post-body h4 {
    color: var(--text-dark);
    margin: 2rem 0 1rem;
    font-weight: 700;
}

.post-body h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-orange);
    padding-bottom: 0.5rem;
}

.post-body h3 {
    font-size: 1.5rem;
    color: var(--primary-orange);
}

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

.post-body li {
    margin-bottom: 0.5rem;
}

.post-body blockquote {
    border-left: 4px solid var(--primary-orange);
    padding-left: 2rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-light);
    background: var(--gray-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

/* Share Section */
.share-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray-medium);
}

.share-section h4 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-size: 1.3rem;
    font-weight: 700;
}

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

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    flex: 1;
    min-width: 140px;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

.share-btn.facebook { 
    background: linear-gradient(135deg, #3b5998, #4c70ba);
}

.share-btn.twitter { 
    background: linear-gradient(135deg, #1da1f2, #4ab8f8);
}

.share-btn.linkedin { 
    background: linear-gradient(135deg, #0077b5, #0091e6);
}

.share-btn.whatsapp { 
    background: linear-gradient(135deg, #25d366, #42e375);
}

.share-btn.email { 
    background: linear-gradient(135deg, #666, #888);
}

/* Related Posts */
.related-posts {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--gray-medium);
}

.related-posts h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 800;
    position: relative;
}

.related-posts h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-orange);
    border-radius: 2px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.related-post {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.related-post:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
}

.related-post::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--orange-light));
    z-index: 2;
}

.related-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.related-post:hover .related-image img {
    transform: scale(1.1);
}

.related-content {
    padding: 1.5rem;
}

.related-content h4 {
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.related-content h4 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
    display: block;
}

.related-content h4 a:hover {
    color: var(--primary-orange);
}

.post-date {
    font-size: 0.9rem;
    color: var(--gray-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Sidebar */
.blog-sidebar {
    position: sticky;
    top: 2rem;
}

.sidebar-widget {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.sidebar-widget:hover {
    box-shadow: var(--box-shadow-hover);
}

.sidebar-widget h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-orange);
    font-weight: 700;
    position: relative;
}

.sidebar-widget h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary-orange);
}

/* Category List */
.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.8rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--gray-medium);
    transition: var(--transition);
}

.category-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.category-list li:hover {
    transform: translateX(8px);
}

.category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.category-list a:hover {
    color: var(--primary-orange);
}

.count {
    background: var(--primary-orange);
    color: var(--white);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Latest Posts */
.latest-posts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.latest-post {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.latest-post:hover {
    background: var(--gray-light);
    border-color: var(--primary-orange);
    transform: translateX(5px);
}

.latest-image {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.latest-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.latest-post:hover .latest-image img {
    transform: scale(1.1);
}

.latest-content {
    flex: 1;
}

.latest-content h4 {
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.latest-content h4 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

.latest-content h4 a:hover {
    color: var(--primary-orange);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .blog-container {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .blog-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .blog-sidebar {
        position: static;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .post-meta {
        gap: 1rem;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .post-content {
        padding: 2rem;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .share-btn {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 3rem 1rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .post-meta {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .post-content {
        padding: 1.5rem;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar-widget {
        padding: 1.5rem;
    }
}

/* Animation for page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.blog-post, .sidebar-widget, .related-post {
    animation: fadeInUp 0.6s ease-out;
}

/* Print Styles */
@media print {
    .blog-sidebar, .share-section, .related-posts {
        display: none;
    }
    
    .blog-container {
        grid-template-columns: 1fr;
    }
    
    .blog-main {
        box-shadow: none;
    }
}