:root {
    /* Color Palette - Terminal/Mainframe inspired */
    --bg-primary: #0a0e27;
    --bg-secondary: #151935;
    --bg-tertiary: #1e2542;
    --accent-primary: #00ff9f;
    --accent-secondary: #00d4ff;
    --accent-tertiary: #ff006e;
    --text-primary: #e8f4f8;
    --text-secondary: #a0b8c8;
    --text-muted: #6b7c8e;
    --border-color: #2a3550;
    --success: #00ff9f;
    --warning: #ffd700;
    --error: #ff006e;
    
    /* Typography */
    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;
    --font-display: 'IBM Plex Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Effects */
    --glow: 0 0 20px rgba(0, 255, 159, 0.3);
    --glow-strong: 0 0 30px rgba(0, 255, 159, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* Animated Grid Background */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 159, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 159, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0;
    animation: gridFadeIn 2s ease-out forwards;
}

@keyframes gridFadeIn {
    to {
        opacity: 1;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-logo {
    height: 45px;
    width: auto;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.1);
}

.terminal-prompt {
    color: var(--accent-primary);
    font-size: 1.3rem;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.brand-text {
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

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

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 0.3rem 0.6rem;
    border: 1px solid transparent;
}

.nav-menu a:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    padding: var(--spacing-xl) 0;
    animation: fadeInUp 1s ease-out;
}

.hero-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 1s ease-out 0.2s both;
}

.hero-logo img {
    max-width: 350px;
    max-height: 200px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(0, 255, 159, 0.3));
    transition: transform 0.3s ease;
}

.hero-logo img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 40px rgba(0, 255, 159, 0.5));
}

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

.terminal-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideInLeft 0.8s ease-out 0.2s both;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.terminal-header {
    padding: 0.8rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    display: flex;
    gap: 0.5rem;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-body {
    padding: 1.5rem;
    font-size: 0.9rem;
}

.typing-text {
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--accent-primary);
}

.command {
    color: var(--accent-secondary);
}

.output {
    color: var(--text-secondary);
    margin: 0.3rem 0;
    padding-left: 1rem;
}

.output.success {
    color: var(--success);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 600;
    line-height: 1.1;
    margin: var(--spacing-md) 0;
    font-family: var(--font-display);
    animation: slideInRight 0.8s ease-out 0.4s both;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--spacing-md);
    animation: fadeIn 1s ease-out 0.6s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    animation: fadeIn 1s ease-out 0.8s both;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 1px solid;
    cursor: pointer;
    font-family: var(--font-mono);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent-primary);
    box-shadow: var(--glow-strong);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 0.5rem;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-display);
}

.section-footer {
    margin-top: var(--spacing-lg);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.about-main {
    max-width: 800px;
}

.lead {
    font-size: 1.25rem;
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.about-main p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.stat-value {
    font-size: 3rem;
    font-weight: 600;
    color: var(--accent-primary);
    font-family: var(--font-display);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Events Section */
.events-section {
    background: linear-gradient(180deg, transparent, var(--bg-secondary) 20%, var(--bg-secondary) 80%, transparent);
}

.events-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.event-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.event-card:hover::before {
    transform: scaleY(1);
}

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

.event-card.upcoming::before {
    background: var(--accent-primary);
    transform: scaleY(1);
}

.event-status {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--bg-primary);
    color: var(--accent-secondary);
    border: 1px solid var(--accent-secondary);
    border-radius: 20px;
    font-size: 0.75rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    font-weight: 500;
}

.event-card.upcoming .event-status {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.event-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.event-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.event-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
}

.topic-tag {
    padding: 0.3rem 0.7rem;
    background: rgba(0, 255, 159, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 255, 159, 0.3);
    border-radius: 4px;
    font-size: 0.75rem;
}

.events-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

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

/* Blog Section */
.blog-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

/* Subsection titles */
.subsection-title {
    font-size: 1.5rem;
    color: var(--accent-secondary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--border-color);
}

.subsection-intro {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.blog-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.blog-card:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8rem;
}

.blog-category {
    padding: 0.3rem 0.7rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
}

.blog-date {
    color: var(--text-muted);
    padding: 0.3rem 0;
}

.blog-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.blog-link {
    color: var(--accent-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
}

.blog-link:hover {
    color: var(--accent-primary);
    gap: 0.6rem;
}

.blog-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    border-radius: 6px;
    overflow: hidden;
}

.blog-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 4px;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.blog-image:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 255, 159, 0.3);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    animation: zoomIn 0.3s ease-out;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 0 40px rgba(0, 255, 159, 0.4);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-family: var(--font-mono);
}

.lightbox-close:hover {
    background: var(--accent-secondary);
    transform: rotate(90deg);
    box-shadow: 0 0 20px rgba(0, 255, 159, 0.5);
}

/* Founders Section */
.founders-section {
    background: var(--bg-secondary);
}

.founders-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.founder-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.founder-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--bg-primary);
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(0, 255, 159, 0.3);
}

.founder-name {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.founder-role {
    color: var(--accent-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.founder-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.founder-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-primary);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.founder-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 159, 0.3);
}

.founder-link-disabled {
    color: var(--text-muted);
    border-color: var(--border-color);
    cursor: default;
}

.founder-link-disabled:hover {
    background: transparent;
    color: var(--text-muted);
    transform: none;
    box-shadow: none;
}

.linkedin-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-radius: 3px;
    font-weight: 600;
    font-size: 0.75rem;
}

.founder-link:hover .linkedin-icon {
    background: var(--bg-primary);
    color: var(--accent-primary);
}

/* Join Section */
.join-section {
    background: linear-gradient(180deg, transparent, var(--bg-secondary) 20%, var(--bg-secondary));
}

.join-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.join-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.join-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow-strong);
    transform: translateY(-5px);
}

.join-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

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

.join-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.join-note {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    margin-top: var(--spacing-sm) !important;
}

.community-values {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.community-values h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.values-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

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

.values-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

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

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

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

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.1);
}

.footer-tagline {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Simple mobile: hide menu or add hamburger */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .terminal-window {
        font-size: 0.85rem;
    }
    
    .stats-grid,
    .events-grid,
    .blog-grid,
    .join-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

/* Smooth scroll reveal animations */
@media (prefers-reduced-motion: no-preference) {
    .section {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.8s ease-out;
    }
    
    .section.visible {
        opacity: 1;
        transform: translateY(0);
    }
}