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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #6366f1;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: #3f3f46;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    position: relative;
    padding: 2rem 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.name {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out;
}

.tagline {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.experience {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-weight: 500;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.philosophy {
    font-size: 1.125rem;
    color: var(--text-muted);
    font-style: italic;
    max-width: 500px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.code-animation {
    width: 200px;
    height: 200px;
    position: relative;
}

.line {
    position: absolute;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
    animation: codeFlow 3s ease-in-out infinite;
}

.line:nth-child(1) {
    width: 100px;
    top: 50px;
    left: 0;
    animation-delay: 0s;
}

.line:nth-child(2) {
    width: 150px;
    top: 100px;
    right: 0;
    animation-delay: 1s;
}

.line:nth-child(3) {
    width: 80px;
    top: 150px;
    left: 20px;
    animation-delay: 2s;
}

/* About Section */
.about {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.about p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Expertise Section */
.expertise {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.expertise h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--accent-color);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.expertise-card {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

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

.expertise-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.stat {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Featured Projects Section */
.featured-projects {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.featured-projects h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-card {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

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

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

.project-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stat-badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

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

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

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--text-primary);
}

.milestones {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.milestones h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.milestones-list {
    list-style: none;
    padding: 0;
}

.milestones-list li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.milestones-list li::before {
    content: '🎯';
    position: absolute;
    left: 0;
    top: 0;
}

.milestones-list strong {
    color: var(--accent-color);
}

/* Tech Stack Section */
.tech-stack {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.tech-stack h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--accent-color);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
    border-color: var(--accent-color);
}

.tech-category h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tech-item {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: scale(1.05);
    box-shadow: var(--shadow-soft);
}

/* Links Section */
.links {
    padding: 6rem 0;
}

.links h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--accent-color);
}

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

.link-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

.link-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.link-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.link-item:hover {
    transform: translateX(5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-medium);
}

.link-icon {
    font-size: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 0.5rem;
}

.link-text {
    font-weight: 600;
    font-size: 1.125rem;
}

.link-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-left: auto;
}

/* Philosophy Section */
.philosophy-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.philosophy-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-content h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding: 2rem;
    border-left: 4px solid var(--accent-color);
    background: rgba(99, 102, 241, 0.05);
    border-radius: 0.5rem;
    position: relative;
}

blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent-color);
    position: absolute;
    top: -1rem;
    left: 1rem;
    opacity: 0.3;
}

.philosophy-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    background: var(--secondary-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

@keyframes codeFlow {
    0%, 100% {
        opacity: 0.3;
        transform: scaleX(0.8);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        min-height: 80vh;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .code-animation {
        width: 150px;
        height: 150px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .link-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .link-desc {
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.125rem;
    }
    
    .philosophy {
        font-size: 1rem;
    }
    
    .about h2,
    .expertise h2,
    .links h2,
    .philosophy-content h2 {
        font-size: 2rem;
    }
    
    .expertise-card,
    .link-item {
        padding: 1.5rem;
    }
    
    blockquote {
        font-size: 1.25rem;
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection styling */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}