/* ============================================
   AI INSIGHTS BLOG - MODERN 2026 DESIGN
   ============================================ */

/* CSS Variables - Modern Color Palette */
:root {
    /* Primary Colors - Purple/Blue Gradient Theme */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    
    /* Neutral Colors */
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */

.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-heading);
}

.logo-icon {
    font-size: 32px;
    animation: float 3s ease-in-out infinite;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
}

.nav-link {
    color: var(--gray-light);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover {
    color: var(--white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: ' ▼';
    font-size: 10px;
    margin-left: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 10px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--gray-light);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 8px 15px;
    margin-left: auto;
}

.search-input {
    background: none;
    border: none;
    color: var(--white);
    outline: none;
    width: 200px;
    font-size: 14px;
}

.search-input::placeholder {
    color: var(--gray);
}

.search-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.search-btn:hover {
    transform: scale(1.1);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    opacity: 0.5;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

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

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

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: rotate 20s linear infinite;
}

.floating-card {
    position: absolute;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.card-icon {
    font-size: 32px;
}

.card-text {
    font-weight: 600;
    font-size: 16px;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 5%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 2s;
}

/* ============================================
   CATEGORIES SECTION
   ============================================ */

.categories-section {
    padding: var(--section-padding);
}

.category-block {
    margin-bottom: 80px;
    position: relative;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.category-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.category-description {
    color: var(--gray-light);
    font-size: 16px;
}

.view-all-btn {
    background: var(--primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.view-all-btn:hover {
    background: var(--primary-dark);
    transform: translateX(5px);
}

/* Post Grids - Different Layouts */
.posts-grid-1 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.posts-grid-2 {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: repeat(2, 1fr);
    gap: 25px;
}

.posts-grid-2 .post-card:first-child {
    grid-row: 1 / 3;
}

.posts-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* Post Cards */
.post-card {
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary);
}

.post-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.1);
}

.post-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
}

.placeholder-thumbnail {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 64px;
    opacity: 0.3;
}

.post-content {
    padding: 25px;
}

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

.post-category {
    background: var(--primary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.post-date {
    color: var(--gray);
    font-size: 13px;
}

.post-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.post-title a {
    color: var(--white);
    transition: var(--transition);
}

.post-title a:hover {
    color: var(--primary-light);
}

.post-excerpt {
    color: var(--gray-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.reading-time,
.post-views {
    font-size: 13px;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter-section {
    padding: 60px 0;
}

.newsletter-box {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.newsletter-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.newsletter-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.newsletter-desc {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.newsletter-form-inline {
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input-inline {
    flex: 1;
    padding: 15px 20px;
    border-radius: 50px;
    border: none;
    font-size: 16px;
    outline: none;
}

.newsletter-btn-inline {
    padding: 15px 35px;
    border-radius: 50px;
    background: var(--dark);
    color: var(--white);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-btn-inline:hover {
    background: var(--dark-secondary);
    transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-desc {
    color: var(--gray-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    font-size: 20px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.newsletter-text {
    color: var(--gray-light);
    margin-bottom: 15px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-input {
    padding: 12px 15px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--dark);
    color: var(--white);
    outline: none;
}

.newsletter-btn {
    padding: 12px 15px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: var(--white);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-btn:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
}

.footer-note {
    margin-top: 10px;
    font-size: 14px;
    color: var(--accent);
}

/* ============================================
   AD ZONES
   ============================================ */

.ad-zone {
    margin: 20px 0;
    text-align: center;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.ad-header {
    margin-bottom: 0;
}

.ad-sidebar {
    margin: 30px 0;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .posts-grid-1,
    .posts-grid-2,
    .posts-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background: var(--dark-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 30px;
        transition: left 0.3s ease;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .search-box {
        width: 100%;
        margin-left: 0;
    }
    
    .search-input {
        width: 100%;
    }
    
    .posts-grid-1,
    .posts-grid-2,
    .posts-grid-3 {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   BLOG & ARTICLE PAGES STYLING
   ============================================ */

/* Page Header */
.page-header {
    padding: 60px 0;
    text-align: center;
    background: var(--gradient-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    color: var(--gray-light);
    font-size: 18px;
}

/* Blog Layout */
.blog-section,
.category-section {
    padding: var(--section-padding);
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

.blog-content {
    min-width: 0;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.blog-card {
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary);
}

.blog-thumbnail {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.blog-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-thumbnail img {
    transform: scale(1.1);
}

.blog-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
}

.blog-card-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

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

.blog-category {
    background: var(--primary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.blog-category:hover {
    background: var(--primary-dark);
}

.blog-date {
    color: var(--gray);
    font-size: 13px;
}

.blog-card-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.blog-card-title a {
    color: var(--white);
    transition: var(--transition);
}

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

.blog-excerpt {
    color: var(--gray-light);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: auto;
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.read-more {
    color: var(--primary-light);
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary);
    transform: translateX(5px);
}

/* No Posts State */
.no-posts {
    text-align: center;
    padding: 80px 20px;
}

.no-posts-icon {
    font-size: 80px;
    display: block;
    margin-bottom: 20px;
}

.no-posts h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.no-posts p {
    color: var(--gray-light);
    margin-bottom: 30px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 60px;
}

.pagination-btn {
    padding: 12px 24px;
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--white);
    font-weight: 600;
    transition: var(--transition);
}

.pagination-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.pagination-numbers {
    display: flex;
    gap: 8px;
}

.pagination-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-weight: 600;
    transition: var(--transition);
}

.pagination-number:hover,
.pagination-number.active {
    background: var(--primary);
    border-color: var(--primary);
}

/* Sidebar */
.blog-sidebar {
    position: sticky;
    top: 90px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
}

.widget-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 12px;
}

.category-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    color: var(--gray-light);
    transition: var(--transition);
}

.category-list li a:hover,
.category-list li.active a {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    padding-left: 20px;
}

.category-count {
    background: var(--dark-tertiary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* Category Header */
.category-header {
    padding: 60px 0 40px;
    background: var(--gradient-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.category-header-content {
    text-align: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--gray);
}

.breadcrumb a {
    color: var(--gray-light);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-light);
}

.breadcrumb-sep {
    color: var(--gray);
}

.category-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.category-description {
    color: var(--gray-light);
    font-size: 18px;
    margin-bottom: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Article Page */
.article-page {
    padding: var(--section-padding);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

.article-main {
    min-width: 0;
}

.article-header {
    margin-bottom: 40px;
}

.article-meta-top {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.article-category {
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.article-category:hover {
    background: var(--primary-dark);
}

.article-date {
    color: var(--gray);
    font-size: 14px;
}

.article-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
}

.article-meta-bottom {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 14px;
}

.article-reading-time,
.article-views,
.article-updated {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-featured-image {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.article-content {
    font-size: 18px;
    line-height: 1.8;
    color: var(--white);
}

.article-content h2 {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    margin: 40px 0 20px;
    scroll-margin-top: 100px;
}

.article-content h3 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    margin: 30px 0 15px;
    scroll-margin-top: 100px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 20px;
    padding-left: 30px;
}

.article-content li {
    margin-bottom: 10px;
}

.article-content a {
    color: var(--primary-light);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--primary);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 30px 0;
}

.article-content code {
    background: var(--dark-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
}

.article-content pre {
    background: var(--dark-secondary);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 30px 0;
}

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

/* Article Footer */
.article-footer {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

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

.tag {
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary-light);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.article-share h4 {
    margin-bottom: 15px;
    font-size: 18px;
}

.share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.share-btn {
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.share-btn.twitter {
    background: #1DA1F2;
    color: white;
}

.share-btn.facebook {
    background: #4267B2;
    color: white;
}

.share-btn.linkedin {
    background: #0077B5;
    color: white;
}

.share-btn.copy {
    background: var(--dark-secondary);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Related Posts */
.related-posts {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

.related-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.related-card {
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.related-thumbnail {
    height: 150px;
    overflow: hidden;
}

.related-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-card:hover .related-thumbnail img {
    transform: scale(1.1);
}

.related-content {
    padding: 20px;
}

.related-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-card-title a {
    color: var(--white);
    transition: var(--transition);
}

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

.related-date {
    color: var(--gray);
    font-size: 13px;
}

/* Table of Contents */
.toc-widget {
    position: sticky;
    top: 90px;
}

.toc-list {
    list-style: none;
}

.toc-list li {
    margin-bottom: 8px;
}

.toc-list a {
    color: var(--gray-light);
    font-size: 14px;
    transition: var(--transition);
    display: block;
    padding: 5px 0;
}

.toc-list a:hover {
    color: var(--primary-light);
    padding-left: 10px;
}

.toc-subitem a {
    padding-left: 15px;
    font-size: 13px;
}

.article-sidebar {
    position: sticky;
    top: 90px;
    height: fit-content;
}

/* ============================================
   RESPONSIVE - BLOG & ARTICLE PAGES
   ============================================ */

@media (max-width: 992px) {
    .blog-layout,
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .page-title,
    .category-title {
        font-size: 32px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-content {
        font-size: 16px;
    }
}