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

:root {
    /* Color Palette */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --text-dark: #2d3748;
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-card: #374151;
    --bg-light: #ffffff;
    --border-color: #4a5568;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --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;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Animation */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-weight: 400;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 32, 44, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(74, 85, 104, 0.5);
}

.navbar.scrolled {
    background: rgba(26, 32, 44, 0.98);
    box-shadow: var(--shadow);
}

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

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

.typing-text {
    color: var(--accent-color);
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    will-change: transform;
    transform: translateZ(0);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-quality;
    -ms-interpolation-mode: bicubic;
    image-rendering: high-quality;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    color: white;
    font-size: var(--font-size-xl);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

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

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stat h4 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.about-skills-preview h4 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

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

.tech-item {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Skills Section */
.skills {
    padding: var(--spacing-3xl) 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: var(--font-size-xl);
}

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

.skill-list {
    list-style: none;
    text-align: left;
}

.skill-list li {
    color: var(--text-secondary);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.skill-list li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    margin-right: var(--spacing-sm);
}

/* Technical Achievements Section */
.achievements {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.achievement-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

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

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.achievement-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-xl);
    color: white;
}

.achievement-card h3 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.achievement-metric {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.achievement-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

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

.achievement-tech span {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

/* Code Examples Section */
.code-examples {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.code-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    align-items: start;
}

.code-example-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 500px;
}

.code-example-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

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

.code-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: white;
    flex-shrink: 0;
}

.code-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    flex-grow: 1;
}

.code-category {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.code-content {
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.code-content pre {
    margin: 0;
    padding: var(--spacing-lg);
    background: #1a1a1a;
    overflow-x: auto;
    font-family: 'Fira Code', 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.6;
    border: none;
    flex-grow: 1;
    white-space: pre;
    word-wrap: normal;
    max-height: 400px;
    overflow-y: auto;
}

.code-content code {
    color: #d4d4d4;
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-family: inherit;
    font-size: inherit;
    display: block;
    white-space: pre;
}

/* Enhanced Syntax highlighting for different languages */
/* SQL Syntax */
.language-sql .token.keyword,
.language-sql .token.operator {
    color: #569cd6;
    font-weight: 600;
}

.language-sql .token.string {
    color: #ce9178;
}

.language-sql .token.comment {
    color: #6a9955;
    font-style: italic;
}

.language-sql .token.number {
    color: #b5cea8;
}

/* JavaScript Syntax */
.language-javascript .token.keyword,
.language-javascript .token.class-name {
    color: #569cd6;
    font-weight: 600;
}

.language-javascript .token.string {
    color: #ce9178;
}

.language-javascript .token.comment {
    color: #6a9955;
    font-style: italic;
}

.language-javascript .token.function {
    color: #dcdcaa;
}

.language-javascript .token.property {
    color: #9cdcfe;
}

/* C# Syntax */
.language-csharp .token.keyword,
.language-csharp .token.class-name {
    color: #569cd6;
    font-weight: 600;
}

.language-csharp .token.string {
    color: #ce9178;
}

.language-csharp .token.comment {
    color: #6a9955;
    font-style: italic;
}

.language-csharp .token.function,
.language-csharp .token.method {
    color: #dcdcaa;
}

.language-csharp .token.property {
    color: #9cdcfe;
}

/* Bash Syntax */
.language-bash .token.function,
.language-bash .token.builtin {
    color: #dcdcaa;
}

.language-bash .token.string {
    color: #ce9178;
}

.language-bash .token.comment {
    color: #6a9955;
    font-style: italic;
}

.language-bash .token.variable {
    color: #9cdcfe;
}

.code-result {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.code-result .metric {
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.code-result .description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.code-examples-note {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: rgba(102, 126, 234, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.code-examples-note p {
    color: var(--text-secondary);
    margin: 0;
    font-style: italic;
}

.code-examples-note i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

/* Responsive adjustments for code examples */
@media (max-width: 768px) {
    .code-examples-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .code-example-card {
        min-height: 400px;
    }
    
    .code-content pre {
        font-size: 12px;
        padding: var(--spacing-md);
        max-height: 300px;
    }
    
    .code-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .code-result {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .code-examples-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .code-example-card {
        min-height: 350px;
    }
    
    .code-content pre {
        font-size: 11px;
        padding: var(--spacing-sm);
        max-height: 250px;
    }
}

/* Projects Section */
.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.filter-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
    position: relative;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-color);
}

.project-card:hover .project-header {
    border-bottom-color: var(--accent-color);
}

.project-card:hover .project-category-badge {
    background: rgba(240, 147, 251, 0.9);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(240, 147, 251, 0.3);
}

.project-card:nth-child(even) {
    border-left-color: var(--secondary-color);
}

.project-card:nth-child(even) .project-header {
    border-bottom-color: var(--secondary-color);
}

.project-card:nth-child(even):hover {
    border-left-color: var(--accent-color);
}

.project-card:nth-child(even):hover .project-header {
    border-bottom-color: var(--accent-color);
}

.project-header {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
    padding: var(--spacing-xl);
    padding-right: calc(var(--spacing-xl) + 80px);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--primary-color);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    opacity: 0.05;
    background-image: 
        radial-gradient(circle at 25% 25%, var(--primary-color) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, var(--secondary-color) 1px, transparent 1px);
    background-size: 30px 30px;
}

.project-category-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(102, 126, 234, 0.9);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.project-type-indicator {
    width: 4px;
    height: 60px;
    background: var(--accent-color);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 0 2px 2px 0;
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.project-company {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.project-company::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
}

.project-company-link {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    cursor: pointer;
}

.project-company-link:hover {
    color: var(--primary-color);
    transform: translateX(2px);
}

.project-company-link:hover::before {
    background: var(--primary-color);
    transform: scale(1.2);
}


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

.project-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

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

.tech-tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.tech-tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.tech-tag:hover::before {
    left: 100%;
}

.project-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric-item {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.metric-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.metric-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.metric-value {
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.metric-value i {
    margin-right: var(--spacing-sm);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.3;
    text-align: center;
    word-break: break-word;
    hyphens: auto;
    max-width: 100%;
}



.projects-cta {
    text-align: center;
}

/* Experience Section */
.experience {
    padding: var(--spacing-3xl) 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color), var(--accent-color));
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
    z-index: 0;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.3s; }
.timeline-item:nth-child(3) { animation-delay: 0.5s; }
.timeline-item:nth-child(4) { animation-delay: 0.7s; }

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

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

.timeline-item::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    z-index: 1;
    transition: var(--transition);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.timeline-item:hover::after {
    background: var(--accent-color);
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 0 4px rgba(240, 147, 251, 0.3);
}

.timeline-date {
    flex: 0 0 150px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 25px;
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
    position: relative;
    z-index: 3;
}

.timeline-date:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    margin: 0 var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.03), transparent);
    transition: left 0.8s ease;
}

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

.timeline-content:hover::before {
    left: 100%;
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.company-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.company-link:hover {
    color: var(--accent-color);
    transform: translateX(2px);
}

.company-link::after {
    content: '↗';
    font-size: 12px;
    margin-left: 4px;
    opacity: 0;
    transition: var(--transition);
}

.company-link:hover::after {
    opacity: 1;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline-skills span {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

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

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-method:hover {
    color: var(--primary-color);
}

.contact-method i {
    width: 20px;
    text-align: center;
}

.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-xl) 0;
}

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

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

.footer-social a {
    color: white;
    font-size: var(--font-size-lg);
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Lightbox Styles */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    margin: 2% auto;
    width: 90%;
    max-width: 1200px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    animation: lightboxFadeIn 0.3s ease;
}

@keyframes lightboxFadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.lightbox-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.lightbox-header h3 {
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.lightbox-header p {
    color: var(--text-secondary);
    margin: 0;
}

.lightbox-image-container {
    position: relative;
    padding: var(--spacing-xl);
    text-align: center;
}

.lightbox-image-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.lightbox-navigation {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    pointer-events: none;
}

.lightbox-nav-btn {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    padding: var(--spacing-md);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    pointer-events: all;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.lightbox-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-counter {
    text-align: center;
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--border-color);
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1;
}

.lightbox-close:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Enhanced Project Card Styles for Screenshots */
.project-card.has-screenshots {
    position: relative;
}

.project-screenshots {
    margin-top: var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
}

.screenshot-thumbnail {
    position: relative;
    cursor: pointer;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    aspect-ratio: 16/10;
}

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

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

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

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8), rgba(240, 147, 251, 0.8));
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
}

.screenshot-thumbnail:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: var(--font-size-sm);
    transform: translateY(100%);
    transition: var(--transition);
}

.screenshot-thumbnail:hover .screenshot-caption {
    transform: translateY(0);
}

.project-card .private-work-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Process Documentation Section */
.project-process {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(102, 126, 234, 0.05);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.project-process h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.project-process-steps {
    list-style: none;
    counter-reset: step-counter;
}

.project-process-steps li {
    counter-increment: step-counter;
    padding-left: var(--spacing-xl);
    position: relative;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.project-process-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: bold;
}

/* Impact Metrics Enhancement */
.project-metrics .metric-item {
    transition: var(--transition);
}

.project-metrics .metric-item:hover {
    transform: translateY(-2px);
    color: var(--primary-color);
}

.project-metrics .metric-item:hover .metric-value {
    transform: scale(1.1);
}

/* Project Gallery Styles */
.project-gallery {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.gallery-filter-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.gallery-filter-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.gallery-filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.gallery-item {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    aspect-ratio: 16/10;
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.gallery-overlay p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin: 0;
}

.gallery-category-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    backdrop-filter: blur(10px);
}

/* Simple Lightbox for Gallery */
.gallery-lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.gallery-lightbox-content {
    position: relative;
    margin: 2% auto;
    width: 90%;
    max-width: 1200px;
    text-align: center;
}

.gallery-lightbox img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.gallery-lightbox-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-lightbox-close:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

.gallery-lightbox-info {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
    text-align: left;
}

.gallery-lightbox-info h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.5rem;
        --spacing-3xl: 2rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: var(--spacing-lg);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .project-card {
        margin-bottom: var(--spacing-lg);
    }

    .project-metrics {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: var(--spacing-3xl);
    }

    .timeline-item:nth-child(odd) {
        flex-direction: column !important;
    }

    .timeline-date {
        margin-bottom: var(--spacing-md);
    }

    .timeline-content {
        margin: 0;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 200px;
    }
}