/* CSS Custom Properties (Variables) */
:root {
    /* Updated Color Scheme for Black Background */
    --primary: #00ff88;
    --primary-light: #33ff99;
    --primary-dark: #00cc6a;
    --secondary: #0066cc;
    --accent: #ff6b35;
    --success: #00ff88;
    --warning: #ffaa00;
    --error: #ff3333;
    
    /* Dark Theme Colors */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --border: #222222;
    --shadow: rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-indexes */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-cursor: 9999;
}

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

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

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

/* Custom Cursor Styles */
.cursor-dot, .cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    border-radius: 50%;
    z-index: var(--z-cursor);
    transition: opacity var(--transition-fast);
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    transform: translate(-50%, -50%);
    transition: width var(--transition-base), height var(--transition-base);
}

.cursor-outline.hover {
    width: 60px;
    height: 60px;
}

@media (hover: none) {
    .cursor-dot, .cursor-outline {
        display: none;
    }
}

/* NAVBAR BASE STYLES - Your Updated Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: 0 4px 20px var(--shadow);
}

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

.nav-logo a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--primary);
    margin-left: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-icon {
    font-size: 1rem;
    transition: transform var(--transition-base);
}

.nav-link:hover .nav-icon {
    transform: scale(1.2) rotate(10deg);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* MOBILE NAV MENU */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        border-top: 1px solid var(--border);
        flex-direction: column;
        padding: var(--space-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
}

/* Page Transition */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.page-transition.active {
    opacity: 1;
    visibility: visible;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000000;
}

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

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 var(--space-lg);
}

.hero-title {
    margin-bottom: var(--space-xl);
}

.hero-greeting {
    display: block;
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
}

.hero-name {
    display: block;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.hero-role {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--primary);
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0.7;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-primary);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-animation 2s infinite;
}

@keyframes scroll-animation {
    0% { opacity: 0; top: 8px; }
    50% { opacity: 1; }
    100% { opacity: 0; top: 20px; }
}

.scroll-indicator span {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary);
    color: black;
    border: 1px solid var(--primary);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--text-primary);
    color: black;
    transform: translateY(-2px);
}

.btn i {
    transition: transform var(--transition-base);
}

.btn:hover i {
    transform: translateX(4px);
}

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

/* Sections */
section {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

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

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 1;
    border: 1px solid var(--border);
}

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

.image-wrapper:hover .profile-img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.image-wrapper:hover .image-overlay {
    opacity: 0.1;
}

.about-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.about-info p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

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

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.stat-item h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.skill-category {
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.skill-category:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: black;
}

.skill-category h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

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

.skill-tag {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: var(--primary);
    color: black;
    transform: translateY(-2px);
}

/* Projects Section - Stacked Layout */
.projects {
    background: var(--bg-primary);
}

.projects-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.project-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.project-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.project-header {
    margin-bottom: var(--space-lg);
}

.project-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.project-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

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

.tech-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    color: var(--primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.project-link:hover {
    background: var(--primary);
    color: black;
    border-color: var(--primary);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-item i {
    width: 24px;
    color: var(--primary);
    font-size: 1.25rem;
}

.social-links {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
    color: black;
    transform: translateY(-3px);
    border-color: var(--primary);
}

/* Contact Form */
.contact-form {
    background: var(--bg-secondary);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

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

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

.form-message {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-top: var(--space-md);
    font-weight: 500;
}

.form-message.success {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.form-message.error {
    background: rgba(255, 51, 51, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

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

/* Loading States */
.loaded {
    opacity: 1;
}

.loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .project-item {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .container, .projects-container {
        padding: 0 var(--space-md);
    }
}