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

:root {
    /* Theme System */
    --theme-mode: 'dark'; /* dark, light */
    
    /* Primary Color Themes */
    --primary-green: #00ff88;
    --primary-blue: #0066ff;
    --primary-purple: #8b5cf6;
    --primary-orange: #f59e0b;
    --primary-pink: #ec4899;
    --primary-red: #ef4444;
    
    /* Current Theme Colors */
    --primary-color: var(--primary-green);
    --secondary-color: #0066ff;
    --accent-color: #ff0066;
    
    /* Dark Theme Colors */
    --bg-dark: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    
    /* Light Theme Colors */
    --bg-light: #ffffff;
    --bg-light-secondary: #f8fafc;
    --bg-light-card: #f1f5f9;
    --text-light-primary: #1a1a1a;
    --text-light-secondary: #4a5568;
    --text-light-muted: #718096;
    
    /* Active Theme Variables */
    --bg-main: var(--bg-dark);
    --bg-section: var(--bg-secondary);
    --bg-element: var(--bg-card);
    --color-primary: var(--text-primary);
    --color-secondary: var(--text-secondary);
    --color-muted: var(--text-muted);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
    --bg-main: var(--bg-light);
    --bg-section: var(--bg-light-secondary);
    --bg-element: var(--bg-light-card);
    --color-primary: var(--text-light-primary);
    --color-secondary: var(--text-light-secondary);
    --color-muted: var(--text-light-muted);
    --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.2);
}

/* Color Theme Variants */
[data-primary="blue"] {
    --primary-color: var(--primary-blue);
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
}

[data-primary="purple"] {
    --primary-color: var(--primary-purple);
    --secondary-color: #ec4899;
    --accent-color: #f59e0b;
}

[data-primary="orange"] {
    --primary-color: var(--primary-orange);
    --secondary-color: #ef4444;
    --accent-color: #8b5cf6;
}

[data-primary="pink"] {
    --primary-color: var(--primary-pink);
    --secondary-color: #8b5cf6;
    --accent-color: #0066ff;
}

[data-primary="red"] {
    --primary-color: var(--primary-red);
    --secondary-color: #f59e0b;
    --accent-color: #8b5cf6;
}

html {
    scroll-behavior: smooth;
}

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

/* Theme Controls */
.theme-controls {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1001;
    background: var(--bg-element);
    padding: 1rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-glow), 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 200px;
    overflow: hidden;
}

.theme-controls.collapsed {
    width: 60px;
    height: 60px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    min-width: unset;
}

.theme-controls.collapsed:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-glow), 0 12px 40px rgba(0, 0, 0, 0.4);
}

.theme-content {
    opacity: 1;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-controls.collapsed .theme-content {
    opacity: 0;
    pointer-events: none;
}

.theme-toggle-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
}

.theme-controls.collapsed .theme-toggle-icon {
    opacity: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0px); }
    50% { transform: translate(-50%, -50%) translateY(-5px); }
}

.theme-toggle {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s;
}

.theme-toggle:hover::before {
    left: 100%;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.color-picker {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 0.5rem;
}

.color-option {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.color-option::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    z-index: -1;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.color-option.active::before,
.color-option:hover::before {
    opacity: 1;
    animation: rotate 2s linear infinite;
}

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

.color-option.active {
    transform: scale(1.2);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.color-option:hover:not(.active) {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
}

.color-option::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-element);
    color: var(--color-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.color-option:hover::after {
    opacity: 1;
    bottom: -30px;
}

.color-green { background: var(--primary-green); }
.color-blue { background: var(--primary-blue); }
.color-purple { background: var(--primary-purple); }
.color-orange { background: var(--primary-orange); }
.color-pink { background: var(--primary-pink); }
.color-red { background: var(--primary-red); }

.theme-label {
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-bottom: 0.75rem;
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.theme-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: 1rem 0;
    opacity: 0.3;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader {
    text-align: center;
}

.loader-text {
    font-size: 2rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    animation: loading 2s infinite;
}

@keyframes loading {
    to { left: 100%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 20px rgba(0, 255, 136, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo .logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(0, 255, 136, 0.1);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Titles */
.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}

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

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 500px;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.hero-3d {
    height: 500px;
    position: relative;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 3px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* About Section */
.about {
    padding: 8rem 0;
    background: var(--bg-section);
}

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

.about-card {
    background: var(--bg-element);
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

[data-theme="light"] .about-card {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

.about-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-element);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .stat-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-visual {
    height: 400px;
}

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

/* Skills Section */
.skills {
    padding: 8rem 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--bg-element);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

[data-theme="light"] .skill-category {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.category-title {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-align: center;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1s ease-in-out;
}

/* Experience Section */
.experience {
    padding: 8rem 0;
    background: var(--bg-section);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 6rem;
    display: flex;
    align-items: flex-start;
    min-height: 120px;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-date {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 0.8rem 1.2rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    z-index: 3;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.timeline-content {
    flex: 1;
    background: var(--bg-element);
    padding: 2.5rem;
    border-radius: 15px;
    margin: 0 4rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    top: 10px;
}

[data-theme="light"] .timeline-content {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.timeline-content h4 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.timeline-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-style: italic;
}

.timeline-content ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.timeline-content li {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 8rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.project-card {
    background: var(--bg-element);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

[data-theme="light"] .project-card {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

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

.project-canvas {
    width: 100%;
    height: 100%;
    opacity: 0.7;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.project-content p {
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary-color);
    border-radius: 25px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.project-link:hover {
    background: var(--primary-color);
    color: var(--bg-main);
}

/* Blog Section */
.blog {
    padding: 8rem 0;
    background: var(--bg-section);
}

.blog-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 3rem 0;
}

.blog-tab-btn {
    background: var(--bg-element);
    color: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

[data-theme="light"] .blog-tab-btn {
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.blog-tab-btn:hover,
.blog-tab-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--bg-element);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    opacity: 1;
    transform: scale(1);
    cursor: pointer;
}

[data-theme="light"] .blog-card {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.blog-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.blog-card:hover:not(.expanded) {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.blog-card.expanded {
    grid-column: 1 / -1;
    max-width: 1000px;
    margin: 0 auto;
    min-height: 600px;
    cursor: default;
}

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

.blog-canvas {
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.blog-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.8);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.blog-content {
    padding: 2rem;
}

.blog-content h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    line-height: 1.3;
    font-weight: 600;
}

.blog-excerpt {
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.blog-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.blog-meta i {
    color: var(--primary-color);
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .tag {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.blog-read-more::after {
    content: '';
    transition: var(--transition);
}

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

/* Expanded Article Styles */
.expanded-article {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--primary-color);
    animation: fadeInUp 0.5s ease-out;
}

.article-separator {
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    margin: 2rem 0;
    border-radius: 1px;
}

.article-content {
    line-height: 1.8;
    font-size: 1rem;
}

.article-content h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
    position: relative;
}

.article-content h4:first-child {
    margin-top: 0;
}

.article-content h4::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.article-content p {
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.article-content pre {
    background: var(--bg-section);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

[data-theme="light"] .article-content pre {
    background: var(--bg-light-secondary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.article-content code {
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

.article-content pre code {
    color: var(--color-primary);
}

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

/* Code Snippets Section */
.code-snippets {
    padding: 8rem 0;
    background: var(--bg-section);
}

.snippet-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: var(--bg-element);
    color: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

[data-theme="light"] .tab-btn {
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}

/* Pagination Styles */
.snippet-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.page-btn {
    background: var(--bg-element);
    color: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="light"] .page-btn {
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.page-btn.active,
.page-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: scale(1.1);
}

.page-content {
    display: none;
}

.page-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

.code-block {
    background: var(--bg-element);
    border-radius: 15px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: var(--transition);
}

[data-theme="light"] .code-block {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.code-block:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.code-header {
    background: var(--bg-section);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .code-header {
    background: var(--bg-light-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.code-title {
    color: var(--primary-color);
    font-weight: 500;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--color-secondary);
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 5px;
}

.copy-btn:hover {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .copy-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.code-block pre {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
    background: var(--bg-main);
}

.code-block code {
    color: var(--color-primary);
}

/* Contact Section */
.contact {
    padding: 8rem 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-items {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--primary-color);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-element);
    color: var(--primary-color);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.contact-form {
    background: var(--bg-element);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-date {
        position: static;
        background: var(--primary-color);
        color: var(--bg-dark);
        padding: 0.5rem 1rem;
        border-radius: 25px;
        margin-bottom: 1rem;
        display: inline-block;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .project-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .code-tabs {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .blog-tabs {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .blog-tab-btn {
        width: 80%;
        text-align: center;
    }
    
    .blog-card {
        margin-bottom: 1rem;
    }
    
    .blog-meta {
        flex-direction: column;
        gap: 0.8rem;
        align-items: flex-start;
    }
    
    .theme-controls {
        right: 10px;
        top: auto;
        bottom: 20px;
        transform: none;
    }
    
    .theme-controls:not(.collapsed) {
        bottom: 10px;
        right: 10px;
        left: 10px;
        width: auto;
    }
    
    .color-picker {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .about-card,
    .skill-category,
    .timeline-content,
    .project-card,
    .code-block,
    .contact-form {
        padding: 1rem;
    }
    
    .blog-grid {
        padding: 0 0.5rem;
    }
    
    .blog-card {
        border-radius: 15px;
    }
    
    .blog-content {
        padding: 1.5rem;
    }
    
    .blog-content h3 {
        font-size: 1.2rem;
    }
    
    .theme-controls {
        position: fixed;
        bottom: 80px;
        right: 15px;
        z-index: 1002;
    }
    
    .projects-grid {
        padding: 0 0.5rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .theme-controls {
        border-width: 0.5px;
    }
    
    .blog-card,
    .project-card {
        border-width: 0.5px;
    }
}

/* Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .cursor-trail {
        display: none !important;
    }
    
    .blog-card:hover,
    .project-card:hover {
        transform: none !important;
    }
    
    .theme-controls {
        transition: none !important;
    }
}