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

:root {
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-accent: #00d9ff;
    --color-accent-glow: rgba(0, 217, 255, 0.3);
    --color-card-bg: rgba(255, 255, 255, 0.03);
    --color-card-border: rgba(255, 255, 255, 0.1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

html.lenis {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Particle Canvas */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
    text-decoration: none;
    letter-spacing: -0.05em;
    transition: var(--transition-fast);
}

.logo:hover {
    text-shadow: 0 0 20px var(--color-accent-glow);
}

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

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

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

.nav-links a:hover::after {
    width: 100%;
}

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

.btn-primary, .btn-secondary {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: inline-block;
}

.btn-primary {
    background: var(--color-accent);
    color: #000;
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.btn-primary:hover {
    background: #00f0ff;
    box-shadow: 0 0 30px var(--color-accent-glow);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--color-card-bg);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 2;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.6) contrast(1.1);
    animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 2;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(0, 240, 255, 0.1) 0%, transparent 50%);
    z-index: 3;
    animation: heroGlow 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes heroGlow {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    line-height: 1.05;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 217, 255, 0.3);
}

.hero-name {
    background: linear-gradient(135deg, #ffffff 0%, var(--color-accent) 50%, #ffffff 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    animation: shimmer 4s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(0, 217, 255, 0.5));
}

@keyframes shimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: #ffffff;
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    animation: linePulse 2s ease-in-out infinite;
}

@keyframes linePulse {
    0%, 100% {
        opacity: 0.5;
        width: 100px;
    }
    50% {
        opacity: 1;
        width: 150px;
    }
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-block;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    z-index: 10;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* Section Styles */
section {
    position: relative;
    padding: 8rem 0;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    margin: 0 auto;
}

/* About Section */
.about-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
}

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

.about-description {
    font-size: 1.4rem;
    line-height: 1.8;
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
}

.highlight {
    color: var(--color-accent);
    font-weight: 600;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-item .icon {
    font-size: 1.5rem;
}

.contact-item a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* Projects Section */
.projects-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.03) 0%, transparent 70%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    position: relative;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
    overflow: hidden;
    cursor: pointer;
}

.project-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: var(--transition-smooth);
    opacity: 0;
}

.project-card:hover .project-glow {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2);
}

.project-content {
    position: relative;
    z-index: 2;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.project-link .arrow {
    transition: var(--transition-fast);
}

.project-link:hover .arrow {
    transform: translateX(5px);
}

/* Courses Section */
.courses-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.course-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), #00f0ff);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

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

.course-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.15);
}

.course-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.course-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.course-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.course-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.course-btn:hover {
    background: var(--color-accent);
    color: #000;
    box-shadow: 0 0 30px var(--color-accent-glow);
}

/* Gallery Section */
.gallery-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.03) 0%, transparent 70%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-card-border);
    background: var(--color-card-bg);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    filter: brightness(0.95) contrast(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.9) 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: var(--transition-fast);
}

.gallery-overlay span {
    color: var(--color-text);
    font-size: 1.3rem;
    font-weight: 600;
    transform: translateY(30px);
    transition: var(--transition-fast);
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

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

.gallery-item:hover img {
    transform: scale(1.15) rotate(2deg);
    filter: brightness(1.1) contrast(1.1);
}

.gallery-item:hover {
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.4);
    border-color: var(--color-accent);
    transform: translateY(-10px);
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-fast);
    z-index: 1;
    pointer-events: none;
}

.gallery-item:hover::before {
    opacity: 1;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.6;
    }
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(
        45deg,
        var(--color-accent),
        #00f0ff,
        var(--color-accent)
    );
    background-size: 300% 300%;
    border-radius: 20px;
    opacity: 0;
    z-index: -1;
    transition: var(--transition-fast);
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Responsive Gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .gallery-item.large {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* Contact Section */
.contact-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
    padding: 10rem 0;
}

/* GitHub Section */
.github-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.08) 0%, transparent 70%);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.github-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    filter: blur(80px);
    animation: githubGlow 4s ease-in-out infinite;
}

@keyframes githubGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.github-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.github-icon {
    color: var(--color-accent);
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.github-icon svg {
    filter: drop-shadow(0 0 20px rgba(0, 217, 255, 0.5));
}

.github-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.github-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.github-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, #00f0ff 100%);
    color: #000;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.github-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.github-btn:hover::before {
    left: 100%;
}

.github-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 217, 255, 0.6);
}

.github-btn .arrow {
    transition: var(--transition-fast);
    font-size: 1.3rem;
}

.github-btn:hover .arrow {
    transform: translateX(5px);
}

/* Contact Section */
.contact-section {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
    padding: 10rem 0;
}

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

.contact-quote {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-subtext {
    font-size: 1.3rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2.5rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 50px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.contact-link:hover {
    background: var(--color-accent);
    color: #000;
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--color-accent-glow);
}

.contact-link .icon {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.5);
    border-top: 1px solid var(--color-card-border);
    padding: 3rem 0;
    text-align: center;
    color: var(--color-text-secondary);
}

.footer-tagline {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-accent);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-hero {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .gallery-item.large {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    section {
        padding: 5rem 0;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-buttons {
        gap: 0.5rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}