/* ================================================================
   VIVEKANAND CHANDNANI BLOG - PREMIUM DESIGN
   Modern Dark Theme with Cyan Accents & Glassmorphism
   ================================================================ */

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

:root {
    /* Monochrome Colors */
    --black: #030303;
    --gray-950: #0a0a0a;
    --gray-900: #121212;
    --gray-800: #1a1a1a;
    --gray-700: #2a2a2a;
    --gray-600: #404040;
    --gray-500: #6b6b6b;
    --gray-400: #a0a0a0;
    --gray-300: #d4d4d4;
    --gray-100: #f5f5f5;
    --white: #FFFFFF;

    /* Vibrant Cyan Accent with variations */
    --cyan: #06B6D4;
    --cyan-light: #22D3EE;
    --cyan-lighter: #67E8F9;
    --cyan-dark: #0891B2;
    --cyan-glow: rgba(6, 182, 212, 0.5);
    --cyan-subtle: rgba(6, 182, 212, 0.1);

    /* Gradient Colors */
    --gradient-cyan: linear-gradient(135deg, #06B6D4 0%, #22D3EE 50%, #67E8F9 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #030303 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);

    /* Glassmorphism */
    --glass-bg: rgba(18, 18, 18, 0.8);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(20px);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    /* Design Tokens */
    --border-radius-sm: 12px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --transition-speed: 0.3s;
    --transition-slow: 0.5s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);

    /* Content Width */
    --content-width: 1200px;
    --article-width: 720px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(6, 182, 212, 0.3);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    font-size: 16px;
}

::selection {
    background: var(--cyan);
    color: var(--black);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-900);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--cyan), var(--cyan-dark));
    border-radius: 5px;
    border: 2px solid var(--gray-900);
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.7;
    padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 1000;
}

.nav-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.5rem;
}

.logo-v {
    color: var(--white);
}

.logo-c {
    color: var(--cyan);
}

.logo-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-400);
    margin-left: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid var(--gray-700);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--gray-400);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--cyan);
    border-radius: 1px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-speed);
    border-radius: 1px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    padding: 2rem;
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-link {
    display: block;
    color: var(--gray-300);
    text-decoration: none;
    padding: 1.25rem 0;
    font-size: 1.2rem;
    font-weight: 500;
    border-bottom: 1px solid var(--gray-800);
    transition: color var(--transition-speed);
}

.mobile-link:hover {
    color: var(--cyan);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ================================================================
   CONTAINER
   ================================================================ */

.container {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: var(--article-width);
    margin: 0 auto;
}

/* Content wrapper for article pages - perfect centering */
.content-wrapper {
    max-width: var(--article-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ================================================================
   ANIMATED BACKGROUND EFFECTS
   ================================================================ */

.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    bottom: 20%;
    left: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
    top: 50%;
    right: 10%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* ================================================================
   HERO SECTION - PREMIUM
   ================================================================ */

.hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--gray-300);
    backdrop-filter: var(--glass-blur);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
    color: var(--white);
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    backdrop-filter: var(--glass-blur);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-700);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary-glow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    background: var(--cyan);
    color: var(--black);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

.btn-primary-glow:hover {
    background: var(--cyan-light);
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.5);
    transform: translateY(-2px);
}

.btn-secondary-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    background: transparent;
    color: var(--gray-300);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--gray-700);
    transition: all var(--transition-speed);
}

.btn-secondary-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-subtle);
}

/* Hero Visual - Floating Cards */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    backdrop-filter: var(--glass-blur);
    color: var(--gray-300);
    font-size: 0.9rem;
    font-weight: 500;
    animation: float-card 6s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.floating-card .card-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cyan-subtle);
    border-radius: 8px;
}

.floating-card .card-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--cyan);
}

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

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

.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: -4s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ================================================================
   SECTION STYLES
   ================================================================ */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.01em;
}

.view-all {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: opacity var(--transition-speed);
}

.view-all:hover {
    opacity: 0.8;
}

/* Section Label */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cyan);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.label-icon {
    display: flex;
    align-items: center;
}

.section-label-small {
    display: block;
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.section-header-left {
    display: flex;
    flex-direction: column;
}

.section-header-center {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
    background: var(--gray-800);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--gray-700);
    transition: all var(--transition-speed);
}

.view-all-btn:hover {
    color: var(--cyan);
    border-color: var(--cyan);
    background: var(--cyan-subtle);
}

/* ================================================================
   FEATURED SECTION
   ================================================================ */

.featured-section {
    padding: var(--spacing-lg) 0;
}

.featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-speed);
}

.featured-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: var(--shadow-glow);
}

.featured-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.featured-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
}

.featured-placeholder svg {
    width: 60px;
    height: 60px;
    stroke: var(--gray-700);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 50%, var(--gray-900) 100%);
}

.featured-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.featured-category {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    background: var(--cyan-subtle);
    border-radius: 4px;
}

.featured-category:hover {
    background: rgba(6, 182, 212, 0.2);
}

.meta-dot {
    width: 4px;
    height: 4px;
    background: var(--gray-600);
    border-radius: 50%;
}

.featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.featured-title a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.featured-title a:hover {
    color: var(--cyan);
}

.featured-excerpt {
    color: var(--gray-400);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.featured-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.author-chip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-400);
    font-size: 0.9rem;
}

.author-chip .author-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
}

.featured-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap var(--transition-speed);
}

.featured-link:hover {
    gap: 0.75rem;
}

/* ================================================================
   MODERN POST CARDS
   ================================================================ */

.posts-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.post-card-modern {
    position: relative;
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-speed);
}

.post-card-modern:hover {
    transform: translateY(-8px);
}

.post-card-modern .card-glow {
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.3) 0%, transparent 50%);
    border-radius: var(--border-radius-lg);
    opacity: 0;
    transition: opacity var(--transition-speed);
    z-index: 0;
}

.post-card-modern:hover .card-glow {
    opacity: 1;
}

.post-card-modern .card-border {
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 1;
    transition: background var(--transition-speed);
}

.post-card-modern:hover .card-border {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
}

.post-card-modern .card-inner {
    position: relative;
    background: var(--gray-900);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    z-index: 2;
}

.post-card-modern .card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.post-card-modern .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card-modern:hover .card-image img {
    transform: scale(1.08);
}

.post-card-modern .image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.6) 100%);
}

.post-card-modern .card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 180px;
}

.post-card-modern .card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
    font-size: 0.8rem;
}

.post-card-modern .card-category {
    color: var(--cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-card-modern .card-meta time {
    color: var(--gray-500);
}

.post-card-modern .card-title {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.post-card-modern .card-title a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.post-card-modern .card-title a:hover {
    color: var(--cyan);
}

.post-card-modern .card-excerpt {
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-modern .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-800);
    margin-top: auto;
}

.post-card-modern .read-time {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--gray-500);
    font-size: 0.8rem;
}

.post-card-modern .read-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: gap var(--transition-speed);
}

.post-card-modern .read-link:hover {
    gap: 0.625rem;
}

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

.categories-section {
    padding: var(--spacing-lg) 0;
    background: var(--gray-950);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.category-card:hover {
    border-color: var(--cyan);
    background: var(--cyan-subtle);
    transform: translateY(-4px);
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cyan-subtle);
    border-radius: var(--border-radius-sm);
}

.category-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--cyan);
}

.category-card:hover .category-icon {
    background: rgba(6, 182, 212, 0.2);
}

.category-name {
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.category-count {
    color: var(--gray-500);
    font-size: 0.8rem;
}

/* ================================================================
   NEWSLETTER SECTION - PREMIUM
   ================================================================ */

.newsletter-section {
    padding: var(--spacing-lg) 0;
}

.newsletter-card {
    position: relative;
    padding: 4rem 3rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    text-align: center;
}

.newsletter-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(34, 211, 238, 0.08) 0%, transparent 50%);
}

.newsletter-content {
    position: relative;
    z-index: 1;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cyan-subtle);
    border-radius: var(--border-radius-md);
    margin: 0 auto 1.5rem;
}

.newsletter-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--cyan);
}

.newsletter-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.newsletter-desc {
    color: var(--gray-400);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.newsletter-form-modern {
    max-width: 420px;
    margin: 0 auto;
}

.newsletter-form-modern .input-wrapper {
    display: flex;
    gap: 0;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: border-color var(--transition-speed);
}

.newsletter-form-modern .input-wrapper:focus-within {
    border-color: var(--cyan);
}

.newsletter-form-modern input {
    flex: 1;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 0.95rem;
    font-family: inherit;
}

.newsletter-form-modern input::placeholder {
    color: var(--gray-500);
}

.newsletter-form-modern input:focus {
    outline: none;
}

.newsletter-form-modern button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--cyan);
    color: var(--black);
    border: none;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background var(--transition-speed);
    white-space: nowrap;
}

.newsletter-form-modern button:hover {
    background: var(--cyan-light);
}

.latest-posts,
.posts-section {
    padding: var(--spacing-lg) 0;
}

.page-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-bottom: 1px solid var(--gray-800);
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.page-description {
    color: var(--gray-400);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

/* ================================================================
   POST CARDS
   ================================================================ */

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.75rem;
}

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

.post-card {
    background: var(--gray-900);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-800);
    transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: rgba(6, 182, 212, 0.25);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.post-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--gray-800);
}

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

.post-card:hover .post-image img {
    transform: scale(1.03);
}

.post-content {
    padding: 1.5rem;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
    font-size: 0.8rem;
}

.post-category {
    color: var(--cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-meta time {
    color: var(--gray-500);
}

.post-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.post-title a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

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

.post-excerpt {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-800);
}

.read-time {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.read-more {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: opacity var(--transition-speed);
}

.read-more:hover {
    opacity: 0.8;
}

/* ================================================================
   ARTICLE STYLES
   ================================================================ */

.article-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-bottom: 1px solid var(--gray-800);
}

.article-header .container {
    max-width: 900px;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.article-category {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
}

.article-category:hover {
    opacity: 0.8;
}

.meta-separator {
    color: var(--gray-600);
}

.article-meta time,
.article-meta .read-time {
    color: var(--gray-400);
}

.article-title {
    font-size: clamp(1.75rem, 4.5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.article-description {
    font-size: 1.2rem;
    color: var(--gray-400);
    max-width: 650px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.article-author {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--gray-900);
    border-radius: 50px;
    border: 1px solid var(--gray-800);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--cyan);
}

.author-info {
    text-align: left;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--white);
    font-size: 0.95rem;
}

.author-title {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.article-image {
    margin: var(--spacing-md) auto;
    max-width: 900px;
    padding: 0 2rem;
}

.article-image img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

/* Article Content - Professional Typography */
.article-content {
    padding: var(--spacing-lg) 0;
}

.article-content h2 {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--white);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--white);
    margin: 2rem 0 0.75rem;
    line-height: 1.4;
}

.article-content h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-300);
    margin: 1.5rem 0 0.5rem;
}

.article-content p {
    color: var(--gray-300);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
    line-height: 1.85;
}

.article-content a {
    color: var(--cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.article-content a:hover {
    text-decoration: none;
}

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

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--gray-300);
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

.article-content li {
    margin-bottom: 0.625rem;
    font-size: 1.0625rem;
    line-height: 1.75;
    padding-left: 0.5rem;
}

.article-content li::marker {
    color: var(--cyan);
}

.article-content blockquote {
    border-left: 3px solid var(--cyan);
    padding: 1rem 0 1rem 1.5rem;
    margin: 2rem 0;
    background: rgba(6, 182, 212, 0.05);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.article-content blockquote p {
    font-style: italic;
    color: var(--gray-300);
    font-size: 1.1rem;
    margin-bottom: 0;
}

.article-content pre {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    margin: 1.75rem 0;
}

.article-content code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.875rem;
}

.article-content p code,
.article-content li code {
    background: var(--gray-800);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--cyan-light);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: 1.75rem 0;
    display: block;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--gray-800);
    margin: 3rem 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.75rem 0;
    font-size: 0.95rem;
}

.article-content th,
.article-content td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-800);
    text-align: left;
}

.article-content th {
    background: var(--gray-900);
    color: var(--white);
    font-weight: 600;
}

.article-content td {
    color: var(--gray-300);
}

/* ================================================================
   READER - CLEAN ARTICLE EXPERIENCE
   ================================================================ */

.reader {
    background: var(--black);
}

.reader-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Reader Header */
.reader-header {
    padding: 4rem 0 2.5rem;
    text-align: center;
}

.reader-category {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--cyan-subtle);
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    transition: background var(--transition-speed);
}

.reader-category:hover {
    background: rgba(6, 182, 212, 0.2);
}

.reader-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.reader-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.reader-meta {
    display: flex;
    justify-content: center;
}

.reader-author {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.reader-author img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.author-placeholder {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    font-weight: 700;
    font-size: 1.1rem;
}

.reader-author-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.author-name {
    color: var(--white);
    font-weight: 500;
}

.meta-sep {
    color: var(--gray-600);
}

/* Cover Image */
.reader-cover {
    max-width: 900px;
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
}

.reader-cover img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* Reader Body */
.reader-body {
    padding-bottom: 3rem;
}

.reader-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-300);
}

.reader-content > *:first-child {
    margin-top: 0;
}

.reader-content h2 {
    font-size: 1.625rem;
    font-weight: 600;
    color: var(--white);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.01em;
}

.reader-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin: 2rem 0 0.75rem;
}

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

.reader-content a {
    color: var(--cyan);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.reader-content a:hover {
    color: var(--cyan-light);
}

.reader-content strong {
    color: var(--white);
    font-weight: 600;
}

.reader-content ul,
.reader-content ol {
    margin: 1.5rem 0;
    padding-left: 1.25rem;
}

.reader-content li {
    margin-bottom: 0.625rem;
}

.reader-content li::marker {
    color: var(--cyan);
}

.reader-content blockquote {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    border-left: 3px solid var(--cyan);
    background: var(--gray-900);
    border-radius: 0 8px 8px 0;
}

.reader-content blockquote p {
    margin: 0;
    font-style: italic;
    color: var(--gray-300);
}

.reader-content pre {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    background: var(--gray-900);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    border: 1px solid var(--gray-800);
}

.reader-content code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
}

.reader-content p code,
.reader-content li code {
    background: var(--gray-800);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--cyan-light);
}

.reader-content img {
    max-width: 100%;
    border-radius: var(--border-radius-sm);
    margin: 2rem 0;
}

.reader-content hr {
    border: none;
    border-top: 1px solid var(--gray-800);
    margin: 3rem 0;
}

/* Reader Footer */
.reader-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--gray-800);
}

.reader-footer .reader-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.reader-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.reader-tags a {
    color: var(--gray-400);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition-speed);
}

.reader-tags a:hover {
    color: var(--cyan);
}

.reader-share {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reader-share > span {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.share-links {
    display: flex;
    gap: 0.25rem;
}

.share-links a,
.share-links button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--gray-400);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.share-links svg {
    width: 18px;
    height: 18px;
}

.share-links a:hover,
.share-links button:hover {
    background: var(--gray-800);
    color: var(--cyan);
}

/* Author Bio */
.author-bio {
    padding: 3rem 0;
    background: var(--gray-950);
}

.bio-card {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.bio-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.bio-avatar-placeholder {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.bio-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.bio-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.bio-desc {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.bio-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--cyan);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: gap var(--transition-speed);
}

.bio-link svg {
    width: 16px;
    height: 16px;
}

.bio-link:hover {
    gap: 0.625rem;
}

/* Reader Navigation */
.reader-nav {
    border-top: 1px solid var(--gray-800);
    border-bottom: 1px solid var(--gray-800);
}

.reader-nav .reader-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 900px;
}

.nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 2rem 1.5rem;
    text-decoration: none;
    transition: background var(--transition-speed);
}

.nav-link:hover {
    background: var(--gray-950);
}

.nav-link.prev {
    border-right: 1px solid var(--gray-800);
}

.nav-link.next {
    text-align: right;
    align-items: flex-end;
}

.nav-dir {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-dir svg {
    width: 16px;
    height: 16px;
}

.nav-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-300);
    line-height: 1.4;
}

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

/* More Articles */
.more-articles {
    padding: 4rem 0;
}

.more-articles h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 2rem;
    text-align: center;
}

.more-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.more-card {
    display: block;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    transition: all var(--transition-speed);
}

.more-card:hover {
    border-color: var(--gray-700);
    transform: translateY(-4px);
}

.more-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.more-card:hover .more-image img {
    transform: scale(1.05);
}

.more-content {
    padding: 1.25rem;
}

.more-content time {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.more-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin: 0.5rem 0;
    line-height: 1.4;
}

.more-read {
    font-size: 0.85rem;
    color: var(--cyan);
    font-weight: 500;
}

/* Article Hero */
.article-hero {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-800);
}

.article-hero-content {
    max-width: 800px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.85rem;
}

.breadcrumb a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-speed);
}

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

.breadcrumb-sep {
    color: var(--gray-600);
    display: flex;
    align-items: center;
}

.breadcrumb-current {
    color: var(--gray-500);
}

/* Hero Meta */
.article-hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--cyan-subtle);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 50px;
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all var(--transition-speed);
}

.category-badge:hover {
    background: rgba(6, 182, 212, 0.2);
    border-color: var(--cyan);
}

.meta-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--gray-400);
    font-size: 0.85rem;
}

.meta-item svg {
    color: var(--gray-500);
}

/* Hero Title */
.article-hero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.article-hero-desc {
    font-size: 1.2rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* Author Card */
.author-card {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1rem 1.25rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    backdrop-filter: var(--glass-blur);
}

.author-card-inner {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.author-card-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    object-fit: cover;
}

.author-card-avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    background: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
}

.author-card-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.author-card-name {
    font-weight: 600;
    color: var(--white);
    font-size: 0.95rem;
}

.author-card-role {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.author-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--cyan);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: gap var(--transition-speed);
}

.author-card-link:hover {
    gap: 0.625rem;
}

/* Featured Image */
.article-featured-image {
    padding: var(--spacing-md) 0;
}

.featured-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image-wrapper img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    display: block;
}

.featured-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(3, 3, 3, 0.3) 100%);
    pointer-events: none;
}

/* Article Body Premium */
.article-body-premium {
    padding: var(--spacing-lg) 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sidebar TOC */
.article-sidebar {
    position: relative;
}

.toc-sticky {
    position: sticky;
    top: 100px;
}

.toc-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.toc-card-header {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-800);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.toc-card-header svg {
    color: var(--cyan);
}

.toc-card-nav {
    padding: 1rem 1.25rem;
    max-height: 60vh;
    overflow-y: auto;
}

.toc-card-nav nav > ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-card-nav li {
    margin-bottom: 0.5rem;
}

.toc-card-nav li:last-child {
    margin-bottom: 0;
}

.toc-card-nav a {
    display: block;
    padding: 0.375rem 0;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.85rem;
    line-height: 1.4;
    transition: all var(--transition-speed);
    border-left: 2px solid transparent;
    padding-left: 0.75rem;
    margin-left: -0.75rem;
}

.toc-card-nav a:hover,
.toc-card-nav a.active {
    color: var(--cyan);
    border-left-color: var(--cyan);
}

.toc-card-nav ul ul {
    padding-left: 1rem;
    margin-top: 0.5rem;
}

.toc-card-nav ul ul a {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Article Main Content */
.article-main {
    min-width: 0;
}

.article-content-premium {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--gray-300);
}

.article-content-premium h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin: 3rem 0 1.25rem;
    padding-top: 1rem;
    letter-spacing: -0.01em;
    position: relative;
}

.article-content-premium h2::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 1rem;
    bottom: 0;
    width: 3px;
    background: var(--gradient-cyan);
    border-radius: 2px;
}

.article-content-premium h2:first-child {
    margin-top: 0;
}

.article-content-premium h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--white);
    margin: 2.5rem 0 1rem;
}

.article-content-premium h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-200);
    margin: 2rem 0 0.75rem;
}

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

.article-content-premium a {
    color: var(--cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    transition: color var(--transition-speed);
}

.article-content-premium a:hover {
    color: var(--cyan-light);
}

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

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

.article-content-premium li {
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.article-content-premium li::marker {
    color: var(--cyan);
}

.article-content-premium blockquote {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: var(--gray-900);
    border-left: 4px solid var(--cyan);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--gray-300);
}

.article-content-premium blockquote p {
    margin-bottom: 0;
}

.article-content-premium pre {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
}

.article-content-premium code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
}

.article-content-premium p code,
.article-content-premium li code {
    background: var(--gray-800);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--cyan-light);
}

.article-content-premium img {
    max-width: 100%;
    border-radius: var(--border-radius-sm);
    margin: 2rem 0;
}

.article-content-premium hr {
    border: none;
    border-top: 1px solid var(--gray-800);
    margin: 3rem 0;
}

/* Tags Section */
.article-tags-section {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 2rem 0;
    border-top: 1px solid var(--gray-800);
    margin-top: 3rem;
}

.tags-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-pill {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 50px;
    color: var(--gray-300);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all var(--transition-speed);
}

.tag-pill:hover {
    background: var(--cyan-subtle);
    border-color: var(--cyan);
    color: var(--cyan);
}

/* Share Card */
.share-card {
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, var(--gray-900) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-lg);
}

.share-card-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.share-card-text h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.share-card-text p {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin: 0;
}

.share-card-buttons {
    display: flex;
    gap: 0.75rem;
}

.share-button {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--border-radius-sm);
    color: var(--gray-300);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.share-button:hover {
    transform: translateY(-2px);
}

.share-button.twitter:hover {
    background: #1DA1F2;
    border-color: #1DA1F2;
    color: white;
}

.share-button.linkedin:hover {
    background: #0A66C2;
    border-color: #0A66C2;
    color: white;
}

.share-button.copy:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--black);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.nav-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.nav-card:hover {
    border-color: var(--cyan);
    background: var(--cyan-subtle);
}

.nav-card.nav-next {
    text-align: right;
}

.nav-card-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--cyan);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-card.nav-next .nav-card-label {
    justify-content: flex-end;
}

.nav-card-title {
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.4;
}

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

/* Related Section */
.related-section {
    padding: var(--spacing-lg) 0;
    background: var(--gray-950);
}

.related-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.related-label {
    display: block;
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.related-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.related-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: transform var(--transition-speed);
}

.related-card:hover {
    transform: translateY(-6px);
}

.related-card-inner {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    height: 100%;
    transition: border-color var(--transition-speed);
}

.related-card:hover .related-card-inner {
    border-color: rgba(6, 182, 212, 0.3);
}

.related-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.related-card:hover .related-card-image img {
    transform: scale(1.05);
}

.related-card-content {
    padding: 1.5rem;
}

.related-card-content time {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.related-card-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.related-card-content h3 a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.related-card-content h3 a:hover {
    color: var(--cyan);
}

.related-card-read {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--cyan);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Article Footer */
.article-footer {
    padding: 0;
    border-top: 1px solid var(--gray-800);
}

.article-footer .content-wrapper {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.625rem;
    margin-bottom: 2rem;
}

.tag {
    color: var(--cyan);
    background: rgba(6, 182, 212, 0.08);
    padding: 0.5rem 1.125rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-speed);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.tag:hover {
    background: rgba(6, 182, 212, 0.15);
    border-color: rgba(6, 182, 212, 0.4);
}

.share-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.share-label {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-800);
    color: var(--gray-300);
    text-decoration: none;
    border: 1px solid var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.share-btn:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--black);
}

/* Post Navigation */
.post-nav {
    border-top: 1px solid var(--gray-800);
    padding: var(--spacing-md) 0;
}

.post-nav .content-wrapper {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.post-nav-link {
    flex: 1;
    padding: 1.25rem 1.5rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.post-nav-link:hover {
    border-color: rgba(6, 182, 212, 0.3);
    background: rgba(6, 182, 212, 0.05);
}

.post-nav-link.empty {
    visibility: hidden;
}

.post-nav-link.next {
    text-align: right;
}

.post-nav-label {
    display: block;
    font-size: 0.8rem;
    color: var(--cyan);
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-nav-title {
    display: block;
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.4;
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 50%;
    color: var(--gray-300);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--black);
    transform: translateY(-3px);
}

/* Related Posts */
.related-posts {
    padding: var(--spacing-lg) 0;
    background: var(--gray-900);
    border-top: 1px solid var(--gray-800);
}

.related-posts .section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

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

.newsletter {
    padding: var(--spacing-lg) 0;
}

.newsletter-box {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border: 1px solid var(--gray-700);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
}

.newsletter-box h2 {
    font-size: 1.65rem;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.newsletter-box p {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
    max-width: 450px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--gray-700);
    border-radius: var(--border-radius-sm);
    background: var(--black);
    color: var(--white);
    font-size: 0.95rem;
    font-family: inherit;
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--cyan);
}

.newsletter-form button {
    padding: 0.875rem 1.75rem;
    background: var(--cyan);
    color: var(--black);
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: opacity var(--transition-speed);
    white-space: nowrap;
}

.newsletter-form button:hover {
    opacity: 0.9;
}

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

.footer {
    background: var(--gray-900);
    border-top: 1px solid var(--gray-800);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-800);
    margin-bottom: 1.5rem;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
}

.footer-tagline {
    color: var(--gray-400);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
}

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

.footer-links .rss-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.footer-links .rss-link svg {
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* ================================================================
   PAGINATION
   ================================================================ */

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-lg);
    padding: 0;
    list-style: none;
}

.pagination .page-item {
    list-style: none;
}

.pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 0.75rem;
    border-radius: var(--border-radius-sm);
    background: var(--gray-800);
    color: var(--gray-300);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-speed);
    border: 1px solid var(--gray-700);
}

.pagination .page-link:hover,
.pagination .page-item.active .page-link {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--black);
}

/* ================================================================
   ARTICLE PAGE - EXCEPTIONAL READING EXPERIENCE
   ================================================================ */

/* Reading Progress Bar */
.reading-progress {
    position: fixed;
    top: 80px;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--cyan-light));
    z-index: 999;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--cyan-glow);
}

/* Article Container */
.article {
    background: var(--black);
    position: relative;
}

/* Back to Blog Breadcrumb */
.article-breadcrumb {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem 2rem 0;
}

.back-to-blog {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-speed);
}

.back-to-blog svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-speed);
}

.back-to-blog:hover {
    color: var(--cyan);
}

.back-to-blog:hover svg {
    transform: translateX(-3px);
}

/* Floating Share Sidebar */
.floating-share {
    position: fixed;
    left: calc(50% - 450px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.floating-share.visible {
    opacity: 1;
    visibility: visible;
}

.floating-share-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 16px;
}

.floating-share-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.floating-share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--gray-700);
    border-radius: 10px;
    color: var(--gray-400);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.floating-share-btn svg {
    width: 18px;
    height: 18px;
}

.floating-share-btn:hover {
    background: var(--gray-800);
    border-color: var(--cyan);
    color: var(--cyan);
    transform: scale(1.05);
}

/* Article Header */
.article-header {
    padding: 3rem 0 3rem;
    text-align: center;
    background: linear-gradient(180deg, var(--gray-950) 0%, var(--black) 100%);
}

.article-header-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 2rem;
}

.article-category {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(6, 182, 212, 0.1);
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    border-radius: 100px;
    margin-bottom: 2rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
    transition: all var(--transition-speed);
}

.article-category:hover {
    background: rgba(6, 182, 212, 0.2);
    border-color: var(--cyan);
}

.article-title {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.article-description {
    font-size: 1.35rem;
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.article-meta {
    display: flex;
    justify-content: center;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gray-800);
}

.author-avatar-placeholder {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    font-weight: 700;
    font-size: 1.25rem;
    border: 2px solid var(--gray-800);
}

.author-details {
    text-align: left;
}

.author-name {
    display: block;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.article-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.info-dot {
    width: 3px;
    height: 3px;
    background: var(--gray-600);
    border-radius: 50%;
}

/* Article Cover */
.article-cover {
    max-width: 900px;
    margin: 0 auto 3.5rem;
    padding: 0 2rem;
}

.article-cover-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.article-cover-wrapper:hover img {
    transform: scale(1.02);
}

.cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.3) 100%);
    pointer-events: none;
}

.article-cover-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

/* Article Body */
.article-body {
    padding-bottom: 4rem;
}

.article-content {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem;
    font-size: 1.125rem;
    line-height: 1.85;
    color: var(--gray-300);
}

.article-content > *:first-child {
    margin-top: 0;
}

/* Lead Paragraph - First paragraph stands out */
.article-content > p:first-of-type {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--gray-200);
    font-weight: 400;
}

/* Typography */
.article-content h2 {
    position: relative;
    padding-left: 1rem;
    border-left: 3px solid var(--cyan);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--white);
    margin: 3rem 0 1.25rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.article-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--white);
    margin: 2.5rem 0 1rem;
    line-height: 1.4;
}

.article-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin: 2rem 0 0.75rem;
}

.article-content p {
    margin-bottom: 1.75rem;
}

.article-content a {
    color: var(--cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    transition: all var(--transition-speed);
}

.article-content a:hover {
    color: var(--cyan-light);
    text-decoration-thickness: 2px;
}

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

.article-content em {
    font-style: italic;
    color: var(--gray-200);
}

/* Lists */
.article-content ul,
.article-content ol {
    margin: 1.75rem 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.article-content li::marker {
    color: var(--cyan);
}

.article-content ul li {
    list-style-type: disc;
}

/* Blockquotes */
.article-content blockquote {
    margin: 2.5rem 0;
    padding: 1.5rem 2rem;
    border-left: 4px solid var(--cyan);
    background: linear-gradient(90deg, rgba(6, 182, 212, 0.08) 0%, transparent 100%);
    border-radius: 0 12px 12px 0;
}

.article-content blockquote p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--gray-200);
    font-style: italic;
}

.article-content blockquote p + p {
    margin-top: 1rem;
}

/* Code Blocks */
.article-content pre {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--gray-900);
    border-radius: 12px;
    overflow-x: auto;
    border: 1px solid var(--gray-800);
    position: relative;
}

.article-content code {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.7;
}

.article-content p code,
.article-content li code {
    background: var(--gray-800);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--cyan-light);
    border: 1px solid var(--gray-700);
}

/* Images */
.article-content img {
    max-width: 100%;
    border-radius: 12px;
    margin: 2.5rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Horizontal Rule - Section Divider */
.article-content hr {
    border: none;
    height: auto;
    background: none;
    margin: 3.5rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.article-content hr::before {
    content: '• • •';
    color: var(--gray-600);
    font-size: 1.25rem;
    letter-spacing: 0.75rem;
}

/* Diagram/Flow Code Blocks */
.article-content pre:has(code:not([class*="language-"])) {
    background: linear-gradient(135deg, var(--gray-900) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    text-align: center;
    padding: 2rem;
}

.article-content pre:has(code:not([class*="language-"])) code {
    font-size: 1rem;
    color: var(--gray-200);
    letter-spacing: 0.5px;
}

/* Key Takeaway - Last blockquote before footer */
.article-content > blockquote:last-of-type {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-left: 4px solid var(--cyan);
    border-radius: 12px;
    padding: 1.75rem 2rem;
}

/* Highlight important inline text */
.article-content strong {
    color: var(--white);
    font-weight: 600;
    background: linear-gradient(transparent 60%, rgba(6, 182, 212, 0.2) 60%);
    padding: 0 2px;
}

/* Article Footer */
.article-footer {
    max-width: 680px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.article-tags .tag {
    color: var(--gray-400);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition-speed);
}

.article-tags .tag:hover {
    color: var(--cyan);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.share-label {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.share-buttons {
    display: flex;
    gap: 0.375rem;
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 10px;
    color: var(--gray-400);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

.share-btn:hover {
    background: var(--gray-800);
    border-color: var(--gray-700);
    color: var(--cyan);
    transform: translateY(-2px);
}

/* Author Section */
.author-section {
    background: var(--gray-950);
    padding: 4rem 0;
}

.author-section-inner {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    gap: 1.75rem;
    align-items: flex-start;
}

.author-section-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--gray-800);
}

.author-section-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    font-weight: 700;
    font-size: 1.75rem;
    flex-shrink: 0;
    border: 3px solid var(--gray-800);
}

.author-section-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.375rem;
}

.author-section-name {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.625rem;
}

.author-section-bio {
    color: var(--gray-400);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.author-section-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cyan);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: gap var(--transition-speed);
}

.author-section-link svg {
    width: 18px;
    height: 18px;
}

.author-section-link:hover {
    gap: 0.75rem;
}

/* Post Navigation */
.post-navigation {
    border-top: 1px solid var(--gray-800);
    border-bottom: 1px solid var(--gray-800);
}

.post-navigation-inner {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.post-nav-item {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    padding: 2.5rem 2rem;
    text-decoration: none;
    transition: background var(--transition-speed);
}

.post-nav-item:hover {
    background: var(--gray-950);
}

.post-nav-prev {
    border-right: 1px solid var(--gray-800);
}

.post-nav-next {
    text-align: right;
    align-items: flex-end;
}

.post-nav-empty {
    border-right: 1px solid var(--gray-800);
}

.post-nav-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.post-nav-label svg {
    width: 16px;
    height: 16px;
}

.post-nav-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gray-300);
    line-height: 1.4;
    transition: color var(--transition-speed);
}

.post-nav-item:hover .post-nav-title {
    color: var(--cyan);
}

/* Related Section */
.related-section {
    padding: 5rem 0;
    background: var(--black);
}

.related-section-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.related-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    text-align: center;
    margin-bottom: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.related-card {
    display: block;
    text-decoration: none;
    background: var(--gray-900);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-800);
    transition: all var(--transition-speed);
}

.related-card:hover {
    border-color: var(--gray-700);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.related-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.related-card:hover .related-card-image img {
    transform: scale(1.05);
}

.related-card-content {
    padding: 1.5rem;
}

.related-card-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.related-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1.4;
    margin-bottom: 0.875rem;
    transition: color var(--transition-speed);
}

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

.related-card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ================================================================
   RESPONSIVE - TABLET
   ================================================================ */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-visual {
        display: none;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    /* Hide floating share on smaller screens */
    .floating-share {
        display: none !important;
    }

    .hero-cta {
        justify-content: center;
    }

    .featured-card {
        grid-template-columns: 1fr;
    }

    .featured-overlay {
        background: linear-gradient(180deg, transparent 50%, var(--gray-900) 100%);
    }

    .featured-content {
        padding: 2rem;
    }

    .posts-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .posts-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-header .container {
        max-width: 100%;
    }

    /* Article Page Tablet */
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ================================================================
   RESPONSIVE - MOBILE
   ================================================================ */

@media (max-width: 768px) {
    /* Reading Progress */
    .reading-progress {
        top: 70px;
    }

    /* Article Header Mobile */
    .article-header {
        padding: 3rem 0 2rem;
    }

    .article-header-inner {
        padding: 0 1.5rem;
    }

    .article-category {
        padding: 0.4rem 1rem;
        font-size: 0.7rem;
        margin-bottom: 1.5rem;
    }

    .article-title {
        font-size: clamp(1.75rem, 7vw, 2.25rem);
        margin-bottom: 1rem;
    }

    .article-description {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .author-avatar,
    .author-avatar-placeholder {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    .author-name {
        font-size: 0.95rem;
    }

    .article-info {
        font-size: 0.8rem;
    }

    /* Article Cover Mobile */
    .article-cover {
        padding: 0 1rem;
        margin-bottom: 2.5rem;
    }

    .article-cover img {
        border-radius: 12px;
    }

    /* Article Content Mobile */
    .article-content {
        padding: 0 1.5rem;
        font-size: 1.05rem;
        line-height: 1.8;
    }

    .article-content h2 {
        font-size: 1.5rem;
        margin: 2.5rem 0 1rem;
    }

    .article-content h3 {
        font-size: 1.2rem;
        margin: 2rem 0 0.875rem;
    }

    .article-content blockquote {
        padding: 1.25rem 1.5rem;
        margin: 2rem 0;
    }

    .article-content pre {
        padding: 1.25rem;
        margin: 1.75rem -1.5rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    /* Article Footer Mobile */
    .article-footer {
        padding: 2rem 1.5rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .article-share {
        width: 100%;
        justify-content: space-between;
    }

    /* Author Section Mobile */
    .author-section {
        padding: 3rem 0;
    }

    .author-section-inner {
        padding: 0 1.5rem;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .author-section-avatar,
    .author-section-avatar-placeholder {
        width: 72px;
        height: 72px;
        font-size: 1.5rem;
    }

    .author-section-name {
        font-size: 1.25rem;
    }

    /* Post Navigation Mobile */
    .post-navigation-inner {
        grid-template-columns: 1fr;
    }

    .post-nav-item {
        padding: 1.75rem 1.5rem;
    }

    .post-nav-prev {
        border-right: none;
        border-bottom: 1px solid var(--gray-800);
    }

    .post-nav-next {
        text-align: left;
        align-items: flex-start;
    }

    .post-nav-empty {
        display: none;
    }

    /* Related Section Mobile */
    .related-section {
        padding: 3.5rem 0;
    }

    .related-section-inner {
        padding: 0 1.5rem;
    }

    .related-title {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .related-card-content {
        padding: 1.25rem;
    }

    .related-card-title {
        font-size: 1rem;
    }
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }

    body {
        padding-top: 70px;
    }

    .nav-bar {
        height: 70px;
    }

    .nav-links {
        display: none;
    }

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

    .mobile-menu {
        top: 70px;
    }

    /* Hero Mobile */
    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary-glow,
    .btn-secondary-outline {
        justify-content: center;
    }

    /* Featured Mobile */
    .featured-section {
        padding: var(--spacing-md) 0;
    }

    .featured-card {
        border-radius: var(--border-radius-md);
    }

    .featured-content {
        padding: 1.5rem;
    }

    .featured-meta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .featured-title {
        font-size: 1.35rem;
    }

    .featured-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    /* Posts Grid Mobile */
    .posts-grid,
    .posts-grid-3,
    .posts-grid-modern {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .section-header-left {
        align-items: center;
    }

    /* Categories Mobile */
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-card {
        padding: 1.25rem;
    }

    /* Newsletter Mobile */
    .newsletter-card {
        padding: 2.5rem 1.5rem;
        border-radius: var(--border-radius-lg);
    }

    .newsletter-form-modern .input-wrapper {
        flex-direction: column;
        border-radius: var(--border-radius-sm);
    }

    .newsletter-form-modern input {
        text-align: center;
    }

    .newsletter-form-modern button {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.25rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .article-meta {
        gap: 0.375rem 0.5rem;
        font-size: 0.85rem;
    }

    .share-section {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .content-wrapper {
        padding: 0 1.5rem;
    }

    .article-image {
        padding: 0 1.5rem;
    }

    .post-nav .content-wrapper {
        flex-direction: column;
        gap: 1rem;
    }

    .post-nav-link.next {
        text-align: left;
    }

    .post-nav-link.empty {
        display: none;
    }

    .article-author {
        padding: 0.625rem 1rem;
    }

    .author-avatar {
        width: 38px;
        height: 38px;
    }

    /* Background effects reduced for mobile */
    .gradient-orb {
        opacity: 0.3;
        filter: blur(60px);
    }

    .orb-1 { width: 300px; height: 300px; }
    .orb-2 { width: 250px; height: 250px; }
    .orb-3 { display: none; }

    /* Article Page Mobile */
    .article-gradient-orb {
        width: 400px;
        height: 400px;
        opacity: 0.4;
    }

    .breadcrumb {
        font-size: 0.75rem;
        margin-bottom: 1.5rem;
    }

    .article-hero-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .meta-items {
        gap: 0.75rem;
    }

    .article-hero-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .article-hero-desc {
        font-size: 1.05rem;
    }

    .author-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        width: 100%;
    }

    .featured-image-wrapper img {
        max-height: 300px;
    }

    .article-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1.5rem;
    }

    .article-sidebar {
        order: -1;
    }

    .toc-sticky {
        position: relative;
        top: 0;
    }

    .toc-card-nav {
        max-height: 200px;
    }

    .article-content-premium h2 {
        font-size: 1.4rem;
        margin: 2rem 0 1rem;
    }

    .article-content-premium h2::before {
        display: none;
    }

    .article-content-premium h3 {
        font-size: 1.2rem;
    }

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

    .share-card {
        padding: 1.5rem;
    }

    .share-card-content {
        flex-direction: column;
        text-align: center;
        gap: 1.25rem;
    }

    .share-card-buttons {
        justify-content: center;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .nav-card.nav-next {
        text-align: left;
    }

    .nav-card.nav-next .nav-card-label {
        justify-content: flex-start;
    }

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

    /* Reader Layout Mobile */
    .reader-header {
        padding: 2.5rem 0 2rem;
    }

    .reader-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .reader-author {
        flex-direction: column;
        gap: 0.75rem;
    }

    .reader-author-info {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.375rem;
    }

    .reader-cover {
        padding: 0 1rem;
        margin-bottom: 2rem;
    }

    .reader-cover img {
        border-radius: var(--border-radius-md);
    }

    .reader-content {
        font-size: 1.05rem;
    }

    .reader-content h2 {
        font-size: 1.4rem;
        margin: 2rem 0 0.875rem;
    }

    .reader-content h3 {
        font-size: 1.15rem;
    }

    .reader-footer .reader-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }

    .reader-share {
        width: 100%;
        justify-content: space-between;
    }

    .bio-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .bio-content {
        text-align: center;
    }

    .reader-nav .reader-container {
        grid-template-columns: 1fr;
    }

    .nav-link {
        padding: 1.5rem;
    }

    .nav-link.prev {
        border-right: none;
        border-bottom: 1px solid var(--gray-800);
    }

    .nav-link.next {
        text-align: left;
        align-items: flex-start;
    }

    .more-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .more-articles {
        padding: 3rem 0;
    }

    .more-articles h2 {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }
}

/* ================================================================
   RESPONSIVE - SMALL MOBILE
   ================================================================ */

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .content-wrapper {
        padding: 0 1.25rem;
    }

    .post-content {
        padding: 1.25rem;
    }

    .newsletter-box {
        padding: 2rem 1.25rem;
    }

    .article-image {
        padding: 0 1.25rem;
    }

    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 44px;
        height: 44px;
    }

    .article-content p,
    .article-content li {
        font-size: 1rem;
        line-height: 1.75;
    }

    .article-content h2 {
        font-size: 1.4rem;
    }

    .article-content h3 {
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .article-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .article-description {
        font-size: 1.05rem;
    }

    .footer-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    /* Reader Layout Small Mobile */
    .reader-container {
        padding: 0 1.25rem;
    }

    .reader-header {
        padding: 2rem 0 1.5rem;
    }

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

    .reader-subtitle {
        font-size: 1rem;
    }

    .reader-author img,
    .author-placeholder {
        width: 38px;
        height: 38px;
    }

    .reader-author-info {
        font-size: 0.8rem;
    }

    .reader-cover {
        padding: 0;
    }

    .reader-cover img {
        border-radius: var(--border-radius-sm);
    }

    .reader-content {
        font-size: 1rem;
        line-height: 1.75;
    }

    .bio-avatar,
    .bio-avatar-placeholder {
        width: 60px;
        height: 60px;
    }

    .bio-name {
        font-size: 1.1rem;
    }

    .bio-desc {
        font-size: 0.9rem;
    }

    .more-content {
        padding: 1rem;
    }

    .more-content h3 {
        font-size: 0.95rem;
    }
}

/* ================================================================
   404 ERROR PAGE
   ================================================================ */

.error-page {
    min-height: calc(100vh - 180px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-code {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.error-code .digit {
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 900;
    line-height: 1;
    color: var(--gray-800);
}

.error-code .digit.zero {
    background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.error-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.error-description {
    color: var(--gray-400);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition-speed);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--cyan);
    color: var(--black);
}

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

.btn-secondary {
    background: var(--gray-800);
    color: var(--gray-300);
    border: 1px solid var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-700);
    color: var(--white);
    transform: translateY(-2px);
}

.error-search {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
}

.search-hint {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.search-form {
    display: flex;
    max-width: 400px;
    margin: 0 auto;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.search-form input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--white);
    font-size: 0.95rem;
    font-family: inherit;
}

.search-form input::placeholder {
    color: var(--gray-500);
}

.search-form input:focus {
    outline: none;
}

.search-form button {
    padding: 0.875rem 1.25rem;
    background: var(--cyan);
    border: none;
    color: var(--black);
    cursor: pointer;
    transition: background var(--transition-speed);
}

.search-form button:hover {
    background: var(--cyan-light);
}

@media (max-width: 480px) {
    .error-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }
}

/* ================================================================
   ACCESSIBILITY - Skip Link
   ================================================================ */

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--cyan);
    color: var(--black);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-decoration: none;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 1rem;
    outline: 3px solid var(--white);
    outline-offset: 2px;
}

/* Focus Styles for Accessibility */
*:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

/* Remove outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

/* ================================================================
   TABLE OF CONTENTS
   ================================================================ */

.article-body {
    position: relative;
}

.toc {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: rgba(6, 182, 212, 0.05);
    border-bottom: 1px solid var(--gray-800);
}

.toc-title {
    font-weight: 600;
    color: var(--white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.toc-toggle {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.toc-toggle:hover {
    color: var(--cyan);
}

.toc-toggle[aria-expanded="false"] svg {
    transform: rotate(-90deg);
}

.toc-nav {
    padding: 1rem 1.25rem;
    max-height: 400px;
    overflow-y: auto;
}

.toc-nav.collapsed {
    display: none;
}

.toc-nav nav,
.toc-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-nav li {
    margin-bottom: 0.5rem;
}

.toc-nav li:last-child {
    margin-bottom: 0;
}

.toc-nav a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.5;
    display: block;
    padding: 0.25rem 0;
    transition: color var(--transition-speed);
}

.toc-nav a:hover,
.toc-nav a.active {
    color: var(--cyan);
}

.toc-nav ul ul {
    padding-left: 1rem;
    margin-top: 0.5rem;
}

.toc-nav ul ul a {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ================================================================
   CODE BLOCKS WITH COPY BUTTON
   ================================================================ */

.code-block-wrapper {
    position: relative;
    margin: 1.75rem 0;
}

.code-block-wrapper pre {
    margin: 0;
    padding-right: 4rem;
}

.copy-code-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    color: var(--gray-400);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: all var(--transition-speed);
    opacity: 0;
}

.code-block-wrapper:hover .copy-code-btn {
    opacity: 1;
}

.copy-code-btn:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--black);
}

.copy-code-btn.copied {
    background: #10B981;
    border-color: #10B981;
    color: var(--white);
}

.copy-code-btn svg {
    width: 14px;
    height: 14px;
}

/* ================================================================
   HEADING ANCHOR LINKS
   ================================================================ */

.article-content h2,
.article-content h3,
.article-content h4 {
    position: relative;
    scroll-margin-top: 100px;
}

.heading-anchor {
    position: absolute;
    left: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 400;
    opacity: 0;
    transition: opacity var(--transition-speed), color var(--transition-speed);
}

.article-content h2:hover .heading-anchor,
.article-content h3:hover .heading-anchor,
.article-content h4:hover .heading-anchor,
.heading-anchor:focus {
    opacity: 1;
}

.heading-anchor:hover {
    color: var(--cyan);
}

@media (max-width: 768px) {
    .heading-anchor {
        position: relative;
        left: auto;
        transform: none;
        margin-left: 0.5rem;
        opacity: 0.5;
    }
}

/* ================================================================
   PRINT STYLES
   ================================================================ */

@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        padding-top: 0;
    }

    .nav-bar,
    .mobile-menu,
    .mobile-menu-btn,
    .back-to-top,
    .share-section,
    .post-nav,
    .related-posts,
    .newsletter,
    .footer,
    .toc-toggle,
    .copy-code-btn,
    .heading-anchor,
    .skip-link {
        display: none !important;
    }

    .article-header,
    .article-content,
    .article-footer {
        border: none !important;
    }

    .article-title {
        font-size: 24pt;
        margin-bottom: 0.5rem;
    }

    .article-content {
        padding: 0;
    }

    .article-content h2 {
        font-size: 18pt;
        margin-top: 1.5rem;
        page-break-after: avoid;
    }

    .article-content h3 {
        font-size: 14pt;
        page-break-after: avoid;
    }

    .article-content p,
    .article-content li {
        orphans: 3;
        widows: 3;
    }

    .article-content pre {
        border: 1px solid #ccc;
        page-break-inside: avoid;
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    .article-content img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }

    .article-content a {
        text-decoration: underline;
    }

    .article-content a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }

    .article-content a[href^="#"]::after,
    .article-content a[href^="javascript:"]::after {
        content: "";
    }

    .tag {
        border: 1px solid #ccc;
        padding: 0.25rem 0.5rem;
    }

    .toc {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    .toc-nav {
        max-height: none;
    }

    @page {
        margin: 2cm;
    }
}