/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cyberpunk Color Palette */
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --accent-bg: #1a1a1a;
    --neon-green: #00ff41;
    --neon-blue: #00d4ff;
    --neon-purple: #8b5cf6;
    --neon-pink: #ff0080;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #333333;
    --glow-color: rgba(0, 255, 65, 0.3);
    
    /* Typography */
    --font-mono: 'JetBrains Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme Variables */
[data-theme="light"] {
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --accent-bg: #e9ecef;
    --text-primary: #000000;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --glow-color: rgba(0, 255, 65, 0.2);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: var(--font-mono);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Matrix Background */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

#matrix-canvas {
    width: 100%;
    height: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--neon-green);
}

.glitch {
    position: relative;
    animation: glitch 2s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 0.5s infinite;
    color: var(--neon-pink);
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 0.5s infinite;
    color: var(--neon-blue);
    z-index: -2;
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(-2px, 2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(2px, 2px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, -2px); }
    40% { transform: translate(2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(-2px, 2px); }
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-green);
    transition: var(--transition-normal);
}

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

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

.nav-controls {
    display: flex;
    gap: var(--spacing-md);
}

.control-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-normal);
    font-family: var(--font-mono);
}

.control-btn:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 10px var(--glow-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 var(--spacing-lg);
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    gap: var(--spacing-2xl);
}

.typing-container {
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.typing-text {
    display: block;
    color: var(--text-primary);
}

.name-highlight {
    color: var(--neon-green);
    text-shadow: 0 0 20px var(--glow-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-lg);
}

.btn-primary,
.btn-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    color: var(--primary-bg);
    box-shadow: 0 4px 15px var(--glow-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--glow-color);
}


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

.btn-secondary:hover {
    background: var(--neon-green);
    color: var(--primary-bg);
    box-shadow: 0 0 20px var(--glow-color);
}


/* Typing Animation */
.typing-text {
    overflow: hidden;
    border-right: 2px solid var(--neon-green);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--neon-green); }
}

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

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.title-number {
    color: var(--neon-green);
    font-size: var(--font-size-2xl);
    font-weight: 300;
}

.title-text {
    position: relative;
}

.title-text::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
}

/* About Section */
.about {
    background: var(--secondary-bg);
}

.about-content {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.skills-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.skill-category h3 {
    color: var(--neon-green);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--accent-bg);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.skill-tag:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 10px var(--glow-color);
}

.about-stats {
    display: grid;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--accent-bg);
    padding: var(--spacing-xl);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px var(--glow-color);
    transform: translateY(-5px);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--neon-green);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Education Section */
.education {
    background: var(--primary-bg);
}

.education-content {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.education-item {
    background: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.education-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    transition: var(--transition-slow);
}

.education-item:hover {
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px var(--glow-color);
    transform: translateY(-5px);
}

.education-item:hover::before {
    left: 100%;
}

.education-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.education-details {
    flex: 1;
}

.education-degree {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.education-university {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.education-period {
    color: var(--neon-green);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.education-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--neon-blue);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.education-status i {
    animation: pulse 2s infinite;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    transition: var(--transition-slow);
}

.project-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px var(--glow-color);
    transform: translateY(-5px);
}

.project-card:hover::before {
    left: 100%;
}

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

.project-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    font-size: var(--font-size-xl);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    transition: var(--transition-normal);
}

.project-link:hover {
    color: var(--neon-green);
    transform: scale(1.1);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    background: var(--accent-bg);
    color: var(--neon-blue);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    border: 1px solid var(--neon-blue);
    transition: var(--transition-normal);
}

.tech-tag:hover {
    background: var(--neon-blue);
    color: var(--primary-bg);
}

/* Content Section */
.content {
    background: var(--secondary-bg);
}

.content-section {
    margin-bottom: var(--spacing-3xl);
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.content-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--neon-purple), var(--neon-pink));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    font-size: var(--font-size-xl);
    margin-right: var(--spacing-lg);
}

.content-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.content-link {
    color: var(--neon-green);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    transition: var(--transition-normal);
}

.content-link:hover {
    color: var(--neon-blue);
    transform: translateX(5px);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-link {
    cursor: pointer;
}

.article-link:hover {
    text-decoration: none;
    color: inherit;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    transition: var(--transition-slow);
}

.article-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px var(--glow-color);
    transform: translateY(-5px);
}

.article-card:hover::before {
    left: 100%;
}

.article-image {
    height: 200px;
    background: var(--primary-bg);
    position: relative;
    overflow: hidden;
}


.article-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
    color: var(--primary-bg);
    font-size: var(--font-size-4xl);
}

.article-content {
    padding: var(--spacing-xl);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.article-date {
    color: var(--neon-green);
    font-weight: 500;
}

.article-read-time {
    color: var(--text-secondary);
}

.article-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.article-views,
.article-likes {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.article-views i,
.article-likes i {
    color: var(--neon-green);
}

.article-read-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
    color: var(--primary-bg);
    border-radius: 6px;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(10px);
}

.article-card:hover .article-read-more {
    opacity: 1;
    transform: translateY(0);
}

.article-read-more:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px var(--glow-color);
}

/* YouTube Content */
.youtube-content {
    background: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-2xl);
}

.youtube-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.youtube-stat {
    text-align: center;
}

.youtube-stat .stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--neon-green);
    margin-bottom: var(--spacing-sm);
}

.youtube-stat .stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.video-card {
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
    display: block;
    text-decoration: none;
    color: inherit;
}

.video-link {
    cursor: pointer;
}

.video-link:hover {
    text-decoration: none;
    color: inherit;
}

.video-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px var(--glow-color);
    transform: translateY(-5px);
}

.video-thumbnail {
    position: relative;
    height: 200px;
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.video-card:hover .video-thumbnail-img {
    transform: scale(1.05);
}

.video-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    font-size: var(--font-size-2xl);
    transition: var(--transition-normal);
}

.video-card:hover .video-placeholder {
    transform: scale(1.1);
}

.video-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.video-card:hover .video-thumbnail::after {
    opacity: 1;
}

.video-thumbnail::before {
    content: '\f04b';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 3rem;
    z-index: 2;
    opacity: 0;
    transition: var(--transition-normal);
}

.video-card:hover .video-thumbnail::before {
    opacity: 1;
}

.video-duration {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.video-info {
    padding: var(--spacing-lg);
}

.video-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.video-views {
    color: var(--text-secondary);
}

.video-date {
    color: var(--neon-green);
    font-weight: 500;
}

.video-watch-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    color: var(--primary-bg);
    border-radius: 6px;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(10px);
}

.video-card:hover .video-watch-more {
    opacity: 1;
    transform: translateY(0);
}

.video-watch-more:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 0, 128, 0.3);
}

/* Certifications Section */
.certifications {
    background: var(--primary-bg);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    justify-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.cert-card {
    background: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
}

.cert-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px var(--glow-color);
    transform: translateY(-5px);
}

.cert-badge {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--neon-purple), var(--neon-pink));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--primary-bg);
    font-size: var(--font-size-2xl);
}

.cert-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.cert-issuer {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.cert-date {
    color: var(--neon-green);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.cert-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--neon-green);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.cert-status.verified {
    color: var(--neon-green);
}

.cert-status.in-progress {
    color: var(--neon-blue);
}

.cert-status.in-progress i {
    animation: pulse 2s infinite;
}

/* Contact Section */
.contact-content {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.contact-methods {
    margin-bottom: var(--spacing-2xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.contact-method i {
    color: var(--neon-green);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--spacing-lg);
}

.social-link {
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    transition: var(--transition-normal);
}

.social-link:hover {
    color: var(--neon-green);
    transform: scale(1.2);
}


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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-md);
        min-height: 100vh;
        overflow-x: hidden;
    }
    
    .hero-content {
        text-align: center;
        gap: var(--spacing-xl);
        width: 100%;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.1;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
        line-height: 1.4;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .youtube-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .content-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-md);
        min-height: 100vh;
        overflow-x: hidden;
    }
    
    .hero-content {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        line-height: 1.1;
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        line-height: 1.3;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        padding: 0;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        width: 100%;
        max-width: 100%;
        min-width: 0;
    }
    
    .typing-text {
        font-size: var(--font-size-2xl);
        line-height: 1.1;
    }
}

/* Extra small screens */
@media (max-width: 360px) {
    .hero {
        padding: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .typing-text {
        font-size: var(--font-size-xl);
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--neon-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
}

/* Selection Styling */
::selection {
    background: var(--neon-green);
    color: var(--primary-bg);
}

/* Focus Styling */
*:focus {
    outline: 2px solid var(--neon-green);
    outline-offset: 2px;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: var(--transition-slow);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: var(--transition-slow);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}