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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --bg-dark: #0f0f1e;
    --bg-darker: #050510;
    --text-primary: #ffffff;
    --text-secondary: #b8b8c8;
    --card-bg: rgba(30, 30, 50, 0.6);
    --card-border: rgba(99, 102, 241, 0.3);
    --glow-primary: rgba(99, 102, 241, 0.5);
    --glow-secondary: rgba(139, 92, 246, 0.5);
    --glow-accent: rgba(236, 72, 153, 0.5);
}

html {
    scroll-behavior: smooth;
}

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

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top, var(--primary-color) 0%, transparent 50%),
                radial-gradient(ellipse at bottom, var(--secondary-color) 0%, transparent 50%);
    opacity: 0.1;
    z-index: -3;
    pointer-events: none;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    pointer-events: none;
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(99, 102, 241, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(139, 92, 246, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(236, 72, 153, 0.3), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(99, 102, 241, 0.3), transparent),
        radial-gradient(2px 2px at 90% 40%, rgba(139, 92, 246, 0.3), transparent);
    background-size: 300% 300%;
    animation: particleMove 20s ease infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes particleMove {
    0%, 100% { background-position: 0% 0%; }
    25% { background-position: 100% 100%; }
    50% { background-position: 100% 0%; }
    75% { background-position: 0% 100%; }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 2rem;
    -webkit-text-fill-color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.glitch-text {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 90%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(2px, -2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(2px, 2px); }
}

.highlight {
    display: block;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    box-shadow: 0 4px 15px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--glow-primary);
}

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

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

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

.vr-frame {
    width: 300px;
    height: 300px;
    border: 3px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 50px var(--glow-primary);
    animation: float 6s ease-in-out infinite;
    background: var(--bg-darker);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    display: block;
    margin: auto;
}

.hero-image:hover {
    transform: scale(1.05);
}

/* Section Styling */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.section-link {
    margin-top: 1.5rem;
}

.profile-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.75rem 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 8px;
}

.profile-link:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.profile-link svg {
    width: 24px;
    height: 24px;
}

/* Videos Section */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.video-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.video-thumbnail {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--bg-darker);
    overflow: hidden;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.play-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.video-card:hover .play-icon {
    opacity: 1;
    transform: scale(1.1);
}

.placeholder-text {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    opacity: 0.5;
}

.youtube-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.video-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}


/* Embed Instructions */
.embed-instructions {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

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

.embed-instructions ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.embed-instructions li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.embed-instructions code {
    background: rgba(99, 102, 241, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

.embed-instructions .example {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
}

/* About Section */
.about-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

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

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* GitHub Repositories Section */
.repos-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03), rgba(139, 92, 246, 0.03));
}

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

.repo-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    gap: 1.5rem;
}

.repo-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.repo-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--text-primary);
}

.repo-icon svg {
    width: 100%;
    height: 100%;
}

.repo-info {
    flex: 1;
}

.repo-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

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

.repo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.repo-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.repo-link:hover {
    color: var(--secondary-color);
}

.repo-link:hover svg {
    transform: translate(3px, -3px);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--card-border);
    padding: 2rem 0;
    text-align: center;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .vr-frame {
        width: 250px;
        height: 250px;
    }

    .videos-grid,
    .repos-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .nav-links {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .about-content h2 {
        font-size: 2rem;
    }
}