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

:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #161616;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    
    /* Neon Colors */
    --accent-primary: #00ff88;
    --accent-secondary: #ff0088;
    --accent-tertiary: #0088ff;
    --accent-purple: #8800ff;
    --accent-orange: #ff8800;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ff88 0%, #0088ff 100%);
    --gradient-secondary: linear-gradient(135deg, #ff0088 0%, #8800ff 100%);
    --gradient-tertiary: linear-gradient(135deg, #00ff88 0%, #ff0088 50%, #0088ff 100%);
    --gradient-gold: linear-gradient(135deg, #ffd700 0%, #ff8800 100%);
    
    /* Shadows */
    --shadow-neon: 0 0 30px rgba(0, 255, 136, 0.4);
    --shadow-neon-pink: 0 0 30px rgba(255, 0, 136, 0.4);
    --shadow-neon-blue: 0 0 30px rgba(0, 136, 255, 0.4);
    --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.4);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;
    --font-size-7xl: 5rem;
    
    /* 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;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Main Content */
.main-content {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.main-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 255, 136, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 136, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 136, 255, 0.05) 0%, transparent 50%);
    z-index: -1;
}

/* Header Section */
.header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.name-section {
    margin-bottom: var(--spacing-2xl);
}

.main-title {
    font-size: var(--font-size-7xl);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.05em;
}

.name-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    text-shadow: 0 0 50px rgba(0, 255, 136, 0.5);
}

.name-primary {
    color: var(--text-primary);
    display: block;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.title-line {
    width: 200px;
    height: 4px;
    background: var(--gradient-primary);
    margin: var(--spacing-xl) auto;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-neon);
    animation: pulse-line 3s ease-in-out infinite;
}

@keyframes pulse-line {
    0%, 100% { 
        transform: scaleX(1); 
        opacity: 1; 
    }
    50% { 
        transform: scaleX(1.2); 
        opacity: 0.8; 
    }
}

.profession {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    position: relative;
}

.profession::before,
.profession::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: var(--gradient-secondary);
}

.profession::before {
    left: -80px;
}

.profession::after {
    right: -80px;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-4xl);
}

.expertise-item {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 2px solid transparent;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.expertise-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.expertise-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-neon);
}

.expertise-item:hover::before {
    opacity: 0.05;
}

.expertise-item:nth-child(2):hover {
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-neon-pink);
}

.expertise-item:nth-child(3):hover {
    border-color: var(--accent-tertiary);
    box-shadow: var(--shadow-neon-blue);
}

.expertise-item:nth-child(4):hover {
    border-color: var(--accent-orange);
    box-shadow: var(--shadow-gold);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-3xl);
    color: var(--bg-primary);
    box-shadow: var(--shadow-neon);
    transition: var(--transition-normal);
}

.expertise-item:nth-child(2) .expertise-icon {
    background: var(--gradient-secondary);
    box-shadow: var(--shadow-neon-pink);
}

.expertise-item:nth-child(3) .expertise-icon {
    background: linear-gradient(135deg, var(--accent-tertiary) 0%, var(--accent-purple) 100%);
    box-shadow: var(--shadow-neon-blue);
}

.expertise-item:nth-child(4) .expertise-icon {
    background: var(--gradient-gold);
    box-shadow: var(--shadow-gold);
}

.expertise-item:hover .expertise-icon {
    transform: scale(1.1) rotate(5deg);
}

.expertise-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.expertise-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Stats Section */
.stats-section {
    margin: var(--spacing-4xl) 0;
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: var(--transition-slow);
}

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

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

.stat-card:nth-child(2):hover {
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-neon-pink);
}

.stat-card:nth-child(3):hover {
    border-color: var(--accent-tertiary);
    box-shadow: var(--shadow-neon-blue);
}

.stat-card:nth-child(4):hover {
    border-color: var(--accent-orange);
    box-shadow: var(--shadow-gold);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.stat-card:nth-child(2) .stat-number {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card:nth-child(3) .stat-number {
    background: linear-gradient(135deg, var(--accent-tertiary) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card:nth-child(4) .stat-number {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
}

/* Contact Section */
.contact-section {
    margin-top: 0;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    background: var(--gradient-tertiary);
    -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: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 70px;
    width: 100%;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transition: var(--transition-slow);
    z-index: 1;
}

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

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

.contact-card.email:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.contact-card.github:hover {
    border-color: var(--text-primary);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.contact-card.instagram:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 20px rgba(255, 0, 136, 0.2);
}

.contact-card.twitter:hover {
    border-color: var(--accent-tertiary);
    box-shadow: 0 0 20px rgba(0, 136, 255, 0.2);
}

.contact-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--bg-primary);
    transition: var(--transition-normal);
    flex-shrink: 0;
}

.contact-card.email .contact-icon {
    background: var(--gradient-primary);
}

.contact-card.github .contact-icon {
    background: linear-gradient(135deg, #333333 0%, #666666 100%);
}

.contact-card.instagram .contact-icon {
    background: var(--gradient-secondary);
}

.contact-card.twitter .contact-icon {
    background: linear-gradient(135deg, var(--accent-tertiary) 0%, var(--accent-purple) 100%);
}

.contact-card:hover .contact-icon {
    transform: scale(1.1) rotate(10deg);
}

.contact-info h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    word-break: keep-all;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
}

/* Footer */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md) 0;
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-quote {
    font-style: italic;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-quote p {
    position: relative;
}

.footer-quote p::before,
.footer-quote p::after {
    content: '"';
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-title {
        font-size: var(--font-size-6xl);
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .contact-grid {
        max-width: 700px;
        gap: var(--spacing-lg);
    }
    
    .main-title {
        font-size: var(--font-size-6xl);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-lg) 0;
    }
    
    .main-title {
        font-size: var(--font-size-4xl);
    }
    
    .profession {
        font-size: var(--font-size-lg);
        letter-spacing: 0.1em;
    }
    
    .profession::before,
    .profession::after {
        display: none;
    }
    
    .name-section {
        margin-bottom: var(--spacing-xl);
    }
    
    .header {
        margin-bottom: var(--spacing-xl);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        max-width: 400px;
    }
    
    .contact-card {
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        min-height: 80px;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .contact-info h3 {
        font-size: var(--font-size-base);
    }
    
    .contact-info p {
        font-size: var(--font-size-sm);
        max-width: 280px;
    }
    
    .footer {
        padding: var(--spacing-sm) 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .footer-text,
    .footer-quote {
        font-size: var(--font-size-xs);
    }
}

/* Small Mobile Responsive */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-md) 0;
    }
    
    .main-title {
        font-size: var(--font-size-3xl);
        line-height: 1.1;
    }
    
    .profession {
        font-size: var(--font-size-base);
        letter-spacing: 0.05em;
    }
    
    .title-line {
        width: 150px;
        margin: var(--spacing-lg) auto;
    }
    
    .name-section {
        margin-bottom: var(--spacing-lg);
    }
    
    .header {
        margin-bottom: var(--spacing-lg);
    }
    
    .contact-grid {
        max-width: 320px;
        gap: var(--spacing-md);
    }
    
    .contact-card {
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        min-height: 70px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .contact-info h3 {
        font-size: var(--font-size-sm);
    }
    
    .contact-info p {
        font-size: var(--font-size-xs);
        max-width: 200px;
    }
    
    .footer {
        padding: var(--spacing-xs) 0;
    }
    
    .footer-text,
    .footer-quote {
        font-size: 10px;
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .main-title {
        font-size: var(--font-size-2xl);
    }
    
    .contact-grid {
        max-width: 280px;
    }
    
    .contact-card {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        min-height: 60px;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
    
    .contact-info h3 {
        font-size: var(--font-size-xs);
    }
    
    .contact-info p {
        font-size: 10px;
        max-width: 160px;
    }
}

/* Loading Animations */
.main-content {
    animation: fadeInUp 1s ease-out;
}

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

.expertise-item {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.expertise-item:nth-child(1) { animation-delay: 0.1s; }
.expertise-item:nth-child(2) { animation-delay: 0.2s; }
.expertise-item:nth-child(3) { animation-delay: 0.3s; }
.expertise-item:nth-child(4) { animation-delay: 0.4s; }

.stat-card {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.contact-card {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.contact-card:nth-child(1) { animation-delay: 0.1s; }
.contact-card:nth-child(2) { animation-delay: 0.2s; }
.contact-card:nth-child(3) { animation-delay: 0.3s; }
.contact-card:nth-child(4) { animation-delay: 0.4s; }

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

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

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

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

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

/* Focus States */
.contact-card:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #111111;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .title-line {
        animation: none;
    }
}