/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --border: #2a2a3a;
    --card-bg: #15151f;
    --success: #10b981;
    --gradient-start: #1a1a2e;
    --gradient-end: #0a0a0f;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(99, 102, 241, 0.1), transparent),
        linear-gradient(180deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--accent-glow);
}

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

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

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Featured Section */
.featured {
    padding: 100px 0;
}

.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.video-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.video-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
    overflow: hidden;
    width: 100%;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.video-thumbnail .duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.play-icon {
    font-size: 3rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.view-all {
    text-align: center;
}

/* Homepage Blog Preview */
.home-blog {
    padding: 100px 0;
}

.home-blog-grid {
    margin-bottom: 40px;
}

/* Topics Section */
.topics {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.topic-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.topic-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.topic-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 16px;
}

.topic-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.topic-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* Footer */
footer {
    padding: 60px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.footer-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--text-muted);
    transition: color 0.2s;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Page Header (for subpages) */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Videos Page */
.videos-section {
    padding: 60px 0;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 24px;
}

/* Blog Page */
.blog-section {
    padding: 60px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

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

.blog-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.blog-image {
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: 24px;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 8px;
}

.blog-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-tags {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-tertiary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* About Page */
.about-section {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.about-stat {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.about-stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.about-stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }

    .home-blog,
    .featured,
    .topics {
        padding: 72px 0;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-grid,
    .videos-grid,
    .blog-grid,
    .topics-grid {
        grid-template-columns: 1fr;
    }
}

/* Blog Post Page */
.blog-post {
    padding: 120px 0 80px;
    min-height: 80vh;
}

.back-link {
    display: inline-block;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.back-link:hover {
    color: var(--accent);
}

.post-header {
    margin-bottom: 40px;
}

.post-category {
    display: inline-block;
    background: var(--bg-tertiary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.post-header h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.post-date {
    color: var(--text-muted);
    font-size: 1rem;
}

.post-body {
    max-width: 720px;
}

.post-body p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.post-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

/* Make blog cards clickable */
.blog-card {
    cursor: pointer;
}

/* Related video in blog post */
.related-video {
    background: var(--bg-tertiary);
    padding: 24px;
    border-radius: 12px;
    margin-top: 32px;
    border: 1px solid var(--accent);
}

.related-video p {
    color: var(--text-primary);
    margin-bottom: 16px;
}

.related-video .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.related-video .btn svg {
    width: 20px;
    height: 20px;
}

.video-tag {
    background: var(--accent) !important;
    color: white !important;
}

/* Legal Pages */
.legal-page {
    padding: 120px 0 80px;
    min-height: 80vh;
}

.legal-page h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.legal-subtitle {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.legal-content {
    max-width: 720px;
}

.legal-content h2 {
    font-size: 1.25rem;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.legal-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.legal-content .stand {
    margin-top: 40px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.legal-links {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.legal-links a {
    color: var(--accent);
    text-decoration: underline;
}

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