/* ============================================
   OpsByPallav - Modern DevOps Blog Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Light Mode */
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', monospace;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252542;
    --text-primary: #f7fafc;
    --text-secondary: #cbd5e0;
    --text-muted: #a0aec0;
    --border-color: #2d3748;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Floating Background Icons
   ============================================ */
.floating-icons {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.float-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.1;
    animation: float 20s infinite;
}

.float-icon:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.float-icon:nth-child(2) { top: 20%; right: 10%; animation-delay: 2s; }
.float-icon:nth-child(3) { top: 40%; left: 15%; animation-delay: 4s; }
.float-icon:nth-child(4) { top: 60%; right: 5%; animation-delay: 6s; }
.float-icon:nth-child(5) { top: 80%; left: 10%; animation-delay: 8s; }
.float-icon:nth-child(6) { top: 30%; right: 20%; animation-delay: 10s; }
.float-icon:nth-child(7) { top: 70%; left: 25%; animation-delay: 12s; }
.float-icon:nth-child(8) { top: 50%; right: 15%; animation-delay: 14s; }

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(5deg);
    }
    50% {
        transform: translateY(0) rotate(0deg);
    }
    75% {
        transform: translateY(20px) rotate(-5deg);
    }
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 15, 26, 0.8);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.75rem;
    animation: spin 10s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-normal);
}

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

.theme-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--border-color);
}

.theme-toggle .sun,
.theme-toggle .moon {
    position: absolute;
    font-size: 1.25rem;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle .moon {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .theme-toggle .sun {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="dark"] .theme-toggle .moon {
    opacity: 1;
    transform: rotate(0deg);
}

.konami-hint {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    font-size: 1.25rem;
    opacity: 0.5;
    transition: all var(--transition-fast);
}

.konami-hint:hover {
    opacity: 1;
    transform: scale(1.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    max-width: 1200px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    animation: slideDown 0.6s ease;
}

.badge-icon {
    animation: pulse 2s ease infinite;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

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

.typewriter {
    display: inline-block;
    border-right: 3px solid var(--accent-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: var(--accent-primary); }
    51%, 100% { border-color: transparent; }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

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

.btn-outline:hover {
    background: var(--accent-primary);
    color: white;
}

.btn-icon {
    font-size: 1.25rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Code Window */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-window {
    width: 100%;
    max-width: 450px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: floatUp 0.8s ease;
}

@keyframes floatUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.code-btn {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.code-btn.red { background: #ff5f56; }
.code-btn.yellow { background: #ffbd2e; }
.code-btn.green { background: #27ca40; }

.code-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.code-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content .comment { color: #6b7280; }
.code-content .keyword { color: #8b5cf6; }
.code-content .function { color: #3b82f6; }
.code-content .string { color: #10b981; }

/* ============================================
   Categories Section
   ============================================ */
.categories {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-2xl);
}

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

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-lg);
}

.category-card {
    padding: var(--space-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.category-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-md);
}

.category-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.category-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.category-count {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
}

/* ============================================
   Featured Blog Section
   ============================================ */
.featured-blog {
    padding: var(--space-3xl) 0;
}

.featured-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    padding: var(--space-2xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.featured-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.featured-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.featured-category {
    font-weight: 600;
    color: var(--accent-primary);
}

.featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.featured-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.featured-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.featured-reactions {
    display: flex;
    gap: var(--space-sm);
}

.reaction-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.reaction-btn:hover {
    transform: scale(1.05);
    background: var(--border-color);
}

.reaction-btn.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-primary);
}

.read-more-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--accent-primary);
    transition: gap var(--transition-fast);
}

.read-more-btn:hover {
    gap: var(--space-md);
}

/* Featured Illustration */
.featured-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-illustration {
    position: relative;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.server-rack {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-color);
}

.server {
    font-size: 3rem;
    text-align: center;
    animation: serverBlink 2s infinite;
}

.server.on-fire {
    animation: onFire 0.5s infinite alternate;
}

.server.blink {
    animation: serverBlink 1s infinite;
}

@keyframes onFire {
    from { transform: scale(1) rotate(-5deg); }
    to { transform: scale(1.1) rotate(5deg); }
}

@keyframes serverBlink {
    0%, 90% { opacity: 1; }
    95% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* ============================================
   Blog Grid Section
   ============================================ */
.blogs {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.filter-tabs {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    color: white;
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.blogs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

/* Blog Card */
.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.blog-card.hidden {
    display: none;
}

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

.card-category {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.card-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.4;
    transition: color var(--transition-fast);
}

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

.card-excerpt {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.read-time {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.reactions {
    display: flex;
    gap: var(--space-xs);
}

.mini-reaction {
    font-size: 0.8125rem;
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.mini-reaction:hover {
    transform: scale(1.1);
}

.card-link {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 0.875rem;
}

.card-link:hover {
    text-decoration: underline;
}

.load-more {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--space-3xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.avatar-container {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--space-md);
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.3);
}

.avatar-emoji {
    font-size: 5rem;
}

.avatar-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

.tech-badge {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tech-badge:hover {
    background: var(--accent-primary);
    color: white;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.about-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    color: white;
}

/* ============================================
   Connect Section (LinkedIn)
   ============================================ */
.connect-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.connect-card {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, #0077b5 0%, #00a0dc 100%);
    border-radius: var(--radius-2xl);
    color: white;
}

.connect-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.connect-content p {
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.btn-linkedin {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: white;
    color: #0077b5;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.btn-linkedin:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.linkedin-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #0077b5;
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
}

.connect-illustration {
    text-align: center;
}

.connect-animation {
    position: relative;
    display: inline-block;
}

.connect-emoji {
    font-size: 6rem;
    animation: bounce 2s infinite;
}

.connect-animation .sparkle {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 2rem;
    animation: sparkle 1.5s infinite;
}

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

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
    50% { transform: scale(1.2) rotate(180deg); opacity: 0.5; }
}

/* ============================================
   Page Header (for Blogs and Lab pages)
   ============================================ */
.page-header {
    padding: calc(100px + var(--space-2xl)) 0 var(--space-2xl);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.page-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.page-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.category-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.category-nav-link {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.category-nav-link:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* ============================================
   Blogs Page Styles
   ============================================ */
.blogs-page {
    padding: var(--space-3xl) 0;
}

.blog-section {
    margin-bottom: var(--space-3xl);
}

.section-header-blog {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--space-xl);
}

.section-icon {
    font-size: 1.75rem;
}

.section-header-blog h2 {
    font-size: 1.5rem;
    font-weight: 700;
    flex-grow: 1;
}

.section-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.blog-list-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-xl);
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
    position: relative;
}

.blog-list-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.blog-list-item.featured-item {
    border-left: 4px solid var(--accent-primary);
}

.featured-tag {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.blog-list-content {
    flex: 1;
}

.blog-list-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.blog-list-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.blog-list-title a {
    transition: color var(--transition-fast);
}

.blog-list-title a:hover {
    color: var(--accent-primary);
}

.blog-list-excerpt {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.blog-list-link {
    font-weight: 600;
    color: var(--accent-primary);
    white-space: nowrap;
    align-self: center;
}

/* ============================================
   Lab Challenge Page Styles
   ============================================ */
.lab-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* Lab header text should always be light colored on dark background */
.lab-header .page-title,
.lab-header .page-description {
    color: #f7fafc;
}

.lab-header .lab-badge {
    background: rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
}

[data-theme="dark"] .lab-header {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

.lab-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.lab-page {
    padding: var(--space-3xl) 0;
}

.challenge-section {
    margin-bottom: var(--space-3xl);
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
    gap: var(--space-xl);
}

.challenge-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    transition: all var(--transition-fast);
}

.challenge-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.challenge-difficulty {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.challenge-difficulty.easy {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.challenge-difficulty.medium {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.challenge-difficulty.hard {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.challenge-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    padding-right: 80px;
}

.challenge-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.challenge-code {
    margin-bottom: var(--space-lg);
}

.challenge-code pre {
    font-size: 0.8125rem;
}

.challenge-hints {
    margin-bottom: var(--space-lg);
}

.challenge-hints details {
    margin-bottom: var(--space-sm);
}

.challenge-hints summary {
    cursor: pointer;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.challenge-hints summary:hover {
    background: var(--border-color);
}

.challenge-hints details[open] summary {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.challenge-hints details p {
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.challenge-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.challenge-tags .tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.coming-soon-section {
    margin-top: var(--space-2xl);
}

.coming-soon-card {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-2xl);
}

.coming-soon-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--space-lg);
}

.coming-soon-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.coming-soon-card p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: var(--space-md);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: var(--space-sm);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
}

.easter-egg-hint {
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.easter-egg-hint:hover {
    opacity: 1;
}

/* ============================================
   Terminal Easter Egg
   ============================================ */
.terminal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.terminal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.terminal-window {
    width: 90%;
    max-width: 700px;
    background: #1e1e2e;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: #313244;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.terminal-btn.red { background: #f38ba8; }
.terminal-btn.yellow { background: #f9e2af; }
.terminal-btn.green { background: #a6e3a1; }

.terminal-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #a6adc8;
}

.terminal-body {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: #cdd6f4;
    min-height: 300px;
    max-height: 60vh;
    overflow-y: auto;
}

#terminal-output {
    white-space: pre-wrap;
    margin-bottom: var(--space-md);
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.prompt {
    color: #a6e3a1;
}

#terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #cdd6f4;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.toast {
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet and below */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

    .featured-image {
        order: -1;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .connect-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .connect-illustration {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

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

/* Mobile styles */
@media (max-width: 768px) {
    /* Prevent horizontal scrolling */
    html, body {
        overflow-x: hidden;
        width: 100%;
        max-width: 100vw;
        position: relative;
    }

    .container {
        padding: 0 var(--space-md);
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }

    /* =============================================
       MOBILE NAVIGATION - FULL SCREEN OVERLAY
       ============================================= */
    
    /* Show hamburger button on mobile */
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 6px;
        width: 44px;
        height: 44px;
        padding: 10px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 10001; /* Above everything */
        position: relative;
    }

    .mobile-menu-btn span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s ease;
        transform-origin: center;
    }

    /* Hamburger to X animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Mobile menu - Full screen overlay */
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile browsers */
        background-color: var(--bg-primary);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        padding: 80px 20px 40px;
        z-index: 10000; /* Below hamburger, above everything else */
        
        /* Hidden by default */
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-100%);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Menu visible state */
    .nav-links.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    /* Navigation links styling */
    .nav-links .nav-link {
        display: block;
        width: 100%;
        max-width: 300px;
        padding: 16px 24px;
        margin: 4px 0;
        font-size: 1.25rem;
        font-weight: 600;
        text-align: center;
        color: var(--text-primary);
        background: transparent;
        border-radius: var(--radius-lg);
        transition: all 0.2s ease;
        text-decoration: none;
    }

    .nav-links .nav-link:hover,
    .nav-links .nav-link:focus {
        background-color: var(--bg-tertiary);
        color: var(--accent-primary);
    }

    /* Remove underline effect on mobile */
    .nav-links .nav-link::after {
        display: none;
    }

    /* Theme toggle in mobile menu */
    .nav-links .theme-toggle {
        margin-top: 24px;
        width: 56px;
        height: 56px;
    }

    /* Hide konami hint in mobile menu */
    .nav-links .konami-hint {
        display: none;
    }

    /* Navbar styling */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
        z-index: 10002; /* Above the overlay */
        background: var(--bg-primary);
        backdrop-filter: blur(20px);
    }

    .nav-container {
        height: 100%;
        padding: 0 var(--space-md);
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    /* When menu is open, make navbar background solid */
    .navbar:has(.nav-links.active) {
        background: var(--bg-primary);
    }

    /* Body scroll lock when menu is open */
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }

    /* Hero Section */
    .hero {
        padding: calc(70px + var(--space-xl)) var(--space-md) var(--space-2xl);
        min-height: auto;
        overflow: visible;
        width: 100%;
        box-sizing: border-box;
    }

    .hero-content {
        width: 100%;
        box-sizing: border-box;
    }

    .hero-title {
        font-size: clamp(1.5rem, 6vw, 1.75rem);
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-sm);
        display: inline-flex;
        flex-wrap: wrap;
    }

    .hero-description {
        font-size: 0.9375rem;
        word-wrap: break-word;
        line-height: 1.6;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        gap: var(--space-sm);
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
        box-sizing: border-box;
        padding: var(--space-md) var(--space-lg);
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-md);
        justify-content: center;
        width: 100%;
    }

    .stat {
        flex: 0 0 auto;
        min-width: 70px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Code Window - Hide on mobile for cleaner look */
    .hero-visual {
        display: none;
    }

    /* Categories */
    .categories {
        overflow: visible;
        padding: var(--space-2xl) 0;
    }

    .categories-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
        width: 100%;
    }

    .category-card {
        padding: var(--space-sm);
        min-width: 0;
    }

    .category-icon {
        font-size: 1.75rem;
        margin-bottom: var(--space-xs);
    }

    .category-card h3 {
        font-size: 0.75rem;
        word-wrap: break-word;
        line-height: 1.3;
    }

    .category-card p {
        display: none;
    }

    .category-count {
        font-size: 0.625rem;
        padding: 2px var(--space-xs);
        margin-top: var(--space-xs);
    }

    /* Section titles */
    .section-title {
        font-size: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
        word-wrap: break-word;
    }

    /* Featured Section */
    .featured-blog {
        overflow-x: hidden;
    }

    .featured-card {
        padding: var(--space-lg);
        max-width: 100%;
        overflow: hidden;
    }

    .featured-badge {
        top: var(--space-sm);
        right: var(--space-sm);
        font-size: 0.625rem;
    }

    .featured-title {
        font-size: 1.25rem;
        word-wrap: break-word;
    }

    .featured-excerpt {
        font-size: 0.9rem;
        word-wrap: break-word;
    }

    /* About Section */
    .about {
        overflow: visible;
        padding: var(--space-2xl) 0;
    }

    .about-content {
        width: 100%;
        box-sizing: border-box;
    }

    .avatar {
        width: 100px;
        height: 100px;
    }

    .avatar-emoji {
        font-size: 3.5rem;
    }

    .tech-stack {
        gap: var(--space-xs);
        justify-content: center;
        flex-wrap: wrap;
    }

    .tech-badge {
        font-size: 0.625rem;
        padding: 2px var(--space-sm);
        white-space: nowrap;
    }

    .about-text {
        width: 100%;
        box-sizing: border-box;
    }

    .about-text p {
        font-size: 0.9375rem;
        word-wrap: break-word;
        line-height: 1.6;
    }

    .about-cta {
        width: 100%;
        flex-wrap: wrap;
    }

    .social-link {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.875rem;
        flex: 1 1 calc(50% - var(--space-sm));
        min-width: 120px;
        justify-content: center;
    }

    /* Connect Section */
    .connect-section {
        overflow: visible;
        padding: var(--space-2xl) 0;
    }

    .connect-card {
        padding: var(--space-lg);
        width: 100%;
        box-sizing: border-box;
    }

    .connect-content h2 {
        font-size: 1.25rem;
        word-wrap: break-word;
        line-height: 1.3;
    }

    .connect-content p {
        font-size: 0.875rem;
        word-wrap: break-word;
        line-height: 1.5;
    }

    .connect-emoji {
        font-size: 3.5rem;
    }

    .btn-linkedin {
        width: 100%;
        justify-content: center;
        box-sizing: border-box;
        padding: var(--space-md) var(--space-lg);
    }

    /* Page Header */
    .page-header {
        padding: calc(70px + var(--space-lg)) 0 var(--space-lg);
        overflow: visible;
    }

    .page-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: var(--space-xs);
        word-wrap: break-word;
        padding: 0 var(--space-sm);
    }

    .page-description {
        font-size: 0.875rem;
        padding: 0 var(--space-md);
        word-wrap: break-word;
        line-height: 1.5;
    }

    .category-nav {
        padding: 0 var(--space-sm);
        gap: var(--space-xs);
        flex-wrap: wrap;
        justify-content: center;
    }

    .category-nav-link {
        font-size: 0.6875rem;
        padding: var(--space-xs) var(--space-sm);
    }

    /* Blogs Page */
    .blogs-page {
        padding: var(--space-xl) 0;
        overflow: visible;
    }

    .blog-section {
        width: 100%;
        box-sizing: border-box;
        margin-bottom: var(--space-xl);
    }

    .section-header-blog {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .section-header-blog h2 {
        font-size: 1.125rem;
        word-wrap: break-word;
    }

    .blog-list {
        width: 100%;
    }

    .blog-list-item {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-md);
        width: 100%;
        box-sizing: border-box;
    }

    .blog-list-content {
        width: 100%;
        box-sizing: border-box;
    }

    .blog-list-title {
        font-size: 1rem;
        word-wrap: break-word;
        line-height: 1.4;
    }

    .blog-list-excerpt {
        font-size: 0.875rem;
        word-wrap: break-word;
        line-height: 1.5;
    }

    .blog-list-link {
        align-self: flex-start;
    }

    .blog-list-meta {
        flex-wrap: wrap;
        gap: var(--space-sm);
        font-size: 0.75rem;
    }

    /* Lab Challenge */
    .lab-page {
        overflow: visible;
        padding: var(--space-xl) 0;
    }

    .lab-page .container {
        width: 100%;
        max-width: 100%;
        padding: 0 var(--space-md);
        box-sizing: border-box;
        overflow: hidden;
    }

    .lab-header .page-title {
        flex-direction: column;
    }

    .challenge-section {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }

    .challenge-grid {
        grid-template-columns: 1fr;
        width: 100%;
        max-width: 100%;
        gap: var(--space-md);
    }

    .challenge-card {
        padding: var(--space-md);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }

    .challenge-title {
        font-size: 0.95rem;
        padding-right: 60px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        line-height: 1.3;
    }

    .challenge-description {
        word-wrap: break-word;
        overflow-wrap: break-word;
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .challenge-difficulty {
        font-size: 0.625rem;
        padding: 2px var(--space-sm);
    }

    .challenge-hints {
        margin-bottom: var(--space-md);
    }

    .challenge-hints summary {
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-sm);
    }

    .challenge-hints details p {
        font-size: 0.8rem;
        padding: var(--space-sm);
    }

    .challenge-hints details p code {
        font-size: 0.75rem;
    }

    .challenge-tags {
        gap: 4px;
    }

    .challenge-tags .tag {
        font-size: 0.65rem;
        padding: 2px 6px;
    }

    /* Code blocks in challenges - ensure horizontal scrolling works */
    .challenge-code {
        width: 100%;
        max-width: calc(100vw - 2 * var(--space-md) - 2 * var(--space-md));
        overflow: hidden;
        box-sizing: border-box;
    }

    .challenge-code pre {
        font-size: 0.7rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
        white-space: pre;
        word-wrap: normal;
        padding: var(--space-sm);
    }

    .challenge-code pre code {
        display: block;
        white-space: pre;
        word-wrap: normal;
    }

    /* Code blocks general */
    .code-block {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .code-block pre {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: pre;
        word-wrap: normal;
        padding: var(--space-sm);
    }

    .coming-soon-card {
        padding: var(--space-lg);
        width: 100%;
        box-sizing: border-box;
    }

    .coming-soon-icon {
        font-size: 3rem;
    }

    /* Footer */
    .footer {
        padding: var(--space-xl) 0 var(--space-lg);
        overflow: visible;
    }

    .footer-content {
        gap: var(--space-lg);
        margin-bottom: var(--space-lg);
        width: 100%;
        box-sizing: border-box;
    }

    .footer-brand {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .footer-brand p {
        word-wrap: break-word;
        font-size: 0.875rem;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
        width: 100%;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
        width: 100%;
        box-sizing: border-box;
    }

    .footer-bottom p {
        word-wrap: break-word;
        font-size: 0.8125rem;
    }

    /* Toast notifications */
    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        bottom: var(--space-md);
    }

    .toast {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.875rem;
        width: 100%;
        word-wrap: break-word;
        box-sizing: border-box;
    }

    /* Floating icons - reduce on mobile */
    .float-icon {
        font-size: 1.25rem;
        opacity: 0.03;
    }

    /* Blogs grid */
    .blogs-grid {
        grid-template-columns: 1fr;
        width: 100%;
        gap: var(--space-md);
    }

    .blog-card {
        width: 100%;
        box-sizing: border-box;
    }

    .card-title {
        word-wrap: break-word;
        font-size: 1.125rem;
    }

    .card-excerpt {
        word-wrap: break-word;
        font-size: 0.875rem;
    }

    .filter-tabs {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-xs);
    }

    .filter-btn {
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-sm);
    }

    .section-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }

    /* Featured section */
    .featured-blog {
        overflow: visible;
    }

    .featured-card {
        padding: var(--space-md);
        width: 100%;
        box-sizing: border-box;
    }

    .featured-content {
        width: 100%;
    }

    .featured-badge {
        font-size: 0.625rem;
        padding: var(--space-xs) var(--space-sm);
        top: var(--space-sm);
        right: var(--space-sm);
    }

    .featured-title {
        font-size: 1.125rem;
        line-height: 1.3;
    }

    .featured-excerpt {
        font-size: 0.875rem;
        line-height: 1.5;
    }

    .featured-footer {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
    }

    /* Server rack illustration */
    .featured-illustration {
        max-width: 200px;
        margin: 0 auto;
    }

    .server-rack {
        padding: var(--space-md);
    }

    .server {
        font-size: 2rem;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .categories-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
    }

    .category-card {
        padding: var(--space-sm);
    }

    .category-icon {
        font-size: 1.5rem;
    }

    .category-card h3 {
        font-size: 0.75rem;
    }

    .category-count {
        font-size: 0.625rem;
        padding: 2px var(--space-xs);
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-cta {
        flex-direction: column;
        width: 100%;
    }

    .social-link {
        width: 100%;
        justify-content: center;
    }

    .connect-emoji {
        font-size: 3rem;
    }

    .btn-linkedin {
        width: 100%;
        justify-content: center;
    }

    /* Navbar adjustments */
    .logo-text {
        font-size: 1.1rem;
    }

    .logo-icon {
        font-size: 1.25rem;
    }

    /* Stats on mobile */
    .hero-stats {
        gap: var(--space-md);
    }

    .stat {
        min-width: 70px;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.6875rem;
    }
}

/* ============================================
   Fun Animations & Effects
   ============================================ */

/* Confetti animation for successful actions */
@keyframes confetti {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(-500px) rotate(720deg); opacity: 0; }
}

.confetti {
    position: fixed;
    pointer-events: none;
    z-index: 10001;
    animation: confetti 3s ease-out forwards;
}

/* Matrix rain effect */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.matrix-column {
    position: absolute;
    top: -100%;
    font-family: var(--font-mono);
    font-size: 14px;
    color: #0f0;
    text-shadow: 0 0 10px #0f0;
    animation: matrixFall linear infinite;
    opacity: 0.7;
}

@keyframes matrixFall {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* Shake animation for error states */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.shake {
    animation: shake 0.5s ease;
}

/* Glow effect for special elements */
.glow {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 5px var(--accent-primary), 0 0 10px var(--accent-primary);
    }
    to {
        box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-primary);
    }
}

/* Selection styles */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}