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

:root {
    /* Color Palette */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #06b6d4;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: #1f2937;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Orbitron', sans-serif;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Navigation ===== */
.main-nav {
    background-color: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    letter-spacing: 2px;
}

.logo i {
    font-size: 1.75rem;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--accent-primary);
    background-color: rgba(59, 130, 246, 0.1);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 100%);
}

.starfield {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    background-color: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

/* ===== Mission Section ===== */
.mission {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.mission-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.mission h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.mission p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

.principle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background-color: rgba(59, 130, 246, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.principle i {
    color: var(--success);
    font-size: 1.25rem;
}

.principle span {
    color: var(--text-primary);
    font-weight: 500;
}

/* ===== Featured Section ===== */
.featured {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--accent-primary);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.featured-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.featured-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
    border-color: var(--accent-primary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.category-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.uap {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
}

.category-badge.disclosure {
    background-color: rgba(139, 92, 246, 0.2);
    color: var(--accent-secondary);
}

.category-badge.ancient {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.category-badge.space {
    background-color: rgba(6, 182, 212, 0.2);
    color: var(--accent-tertiary);
}

.credibility-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.credibility-badge.verified {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.credibility-badge.high {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
}

.credibility-badge.contested {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

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

.card-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-meta i {
    color: var(--accent-primary);
}

.featured-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

.card-link:hover {
    color: var(--accent-secondary);
    gap: 0.75rem;
}

/* ===== Categories Section ===== */
.categories {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.category-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    text-align: center;
}

.category-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.category-item i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.category-item h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.category-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.category-count {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ===== Community Preview ===== */
.community-preview {
    padding: var(--spacing-2xl) 0;
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.community-text h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.community-text p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.community-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.stat-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-box i {
    font-size: 2.5rem;
    color: var(--accent-primary);
}

.stat-box .stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text-primary);
}

.stat-box .stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-md) 0;
    margin-top: var(--spacing-2xl);
}

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

.footer-col h4 {
    font-family: var(--font-display);
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.footer-col p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.875rem;
}

.footer-col ul li a:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .community-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: rgba(10, 14, 26, 0.98);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: left 0.3s ease;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu li a {
        display: block;
        padding: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-grid,
    .category-grid {
        grid-template-columns: 1fr;
    }
}