/* ========================================
   AUTOMEDON - Defense Tech Website
   Human-Guided AI Orchestration Platform
   ======================================== */

/* CSS Variables */
:root {
    --color-bg: #0a0a0a;
    --color-bg-light: #111111;
    --color-bg-card: #161616;
    --color-bg-elevated: #1a1a1a;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-text-dim: #555555;
    --color-accent: #ff6b00;
    --color-accent-hover: #ff8533;
    --color-accent-dim: rgba(255, 107, 0, 0.2);
    --color-success: #00ff88;
    --color-danger: #ff4444;
    --color-warning: #ffaa00;
    --color-border: #222222;
    --color-border-light: #333333;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

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

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

.btn-secondary:hover {
    border-color: var(--color-text);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-full {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.nav-logo-img {
    height: 50px;
    width: auto;
}

/* Hero Emblem */
.hero-emblem {
    margin-bottom: var(--spacing-md);
}

.hero-bolt-logo {
    width: 240px;
    height: 240px;
    animation: pulse 3s ease-in-out infinite;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-accent) !important;
    color: var(--color-bg) !important;
}

.nav-cta:hover {
    background-color: var(--color-accent-hover) !important;
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-fast);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 50% 50%, rgba(255, 107, 0, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 107, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    position: relative;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1000px;
}

/* Mission Indicator */
.hero-mission-indicator {
    margin-bottom: var(--spacing-md);
}

.mission-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.mission-tabs {
    display: flex;
    gap: 0;
    justify-content: center;
    border: 1px solid var(--color-border);
    display: inline-flex;
}

.mission-tab {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: transparent;
    color: var(--color-text-muted);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-right: 1px solid var(--color-border);
}

.mission-tab:last-child {
    border-right: none;
}

.mission-tab:hover {
    background: rgba(255, 107, 0, 0.1);
    color: var(--color-text);
}

.mission-tab.active {
    background: var(--color-accent);
    color: var(--color-bg);
}

.hero-title {
    font-size: clamp(2.5rem, 10vw, 6rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 0.9;
    margin-bottom: var(--spacing-md);
}

.hero-title-line {
    display: block;
}

.hero-title-line.accent {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    min-height: 3.6rem;
}

/* Hero Diagram */
.hero-diagram {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.diagram-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.diagram-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.diagram-node.active-node {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(255, 107, 0, 0.2);
}

.node-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.diagram-node span {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.diagram-arrow {
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: bold;
}

.diagram-status {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.hero-scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Mission Essential Section */
.mission-essential {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.comparison-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.comparison-card.featured {
    border-color: var(--color-accent);
    transform: scale(1.02);
}

.comparison-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.comparison-header.negative {
    background: linear-gradient(135deg, rgba(68, 68, 68, 0.2), transparent);
}

.comparison-header.positive {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), transparent);
}

.comparison-label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 0.25rem;
}

.comparison-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
}

.comparison-list {
    list-style: none;
    padding: var(--spacing-md);
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.comparison-list li:last-child {
    margin-bottom: 0;
}

.list-icon {
    font-weight: bold;
    flex-shrink: 0;
}

.comparison-card:not(.featured) .list-icon {
    color: var(--color-text-dim);
}

.comparison-card.featured .list-icon {
    color: var(--color-accent);
}

.mission-metrics {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Technology Section */
.technology {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.tech-stack {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-border);
}

.tech-layer {
    display: grid;
    grid-template-columns: 80px 1fr 80px;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.tech-layer:hover {
    background: var(--color-bg-elevated);
}

.layer-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-accent);
    opacity: 0.5;
}

.layer-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.layer-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.detail-block {
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border-left: 2px solid var(--color-border);
}

.tech-layer:hover .detail-block {
    border-left-color: var(--color-accent);
}

.detail-label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.5rem;
}

.detail-block p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.layer-icon {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
}

.tech-layer:hover .layer-icon {
    opacity: 1;
}

/* Explainability Section */
.explainability {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.explainability-demo {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.terminal-window {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: #2d2d2d;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

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

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27ca3f; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.terminal-body {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: var(--spacing-sm);
}

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

.command {
    color: var(--color-text);
    margin-left: 0.5rem;
}

.typing {
    animation: blink 1s infinite;
}

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

.terminal-output {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-border);
}

.output-block {
    margin: var(--spacing-sm) 0;
}

.output-label {
    color: var(--color-accent);
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

.output-block p {
    color: var(--color-text-muted);
    margin: 0.5rem 0;
}

.output-block ul {
    list-style: none;
    margin: 0.5rem 0;
}

.output-block li {
    color: var(--color-text);
    margin: 0.25rem 0;
}

.output-confidence {
    color: var(--color-text-dim) !important;
    font-style: italic;
}

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

.explainability-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    border-color: var(--color-accent);
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Safety Section */
.safety-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.safety-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.safety-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.safety-card h3 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.safety-card > p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.approval-tiers {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tier {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tier-badge {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    letter-spacing: 0.05em;
}

.tier-badge.once { background: var(--color-warning); color: var(--color-bg); }
.tier-badge.session { background: #4488ff; color: var(--color-bg); }
.tier-badge.always { background: var(--color-success); color: var(--color-bg); }
.tier-badge.deny { background: var(--color-danger); color: var(--color-bg); }

.watchdog-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}

.status-active {
    color: var(--color-success);
    font-weight: 700;
    font-size: 0.875rem;
}

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

.policy-example {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}

.policy-example code {
    display: block;
    color: var(--color-text-muted);
    margin: 0.25rem 0;
}

/* Architecture Section */
.architecture {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.architecture-diagram {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.arch-layer {
    text-align: center;
    margin: var(--spacing-sm) 0;
}

.layer-label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    margin-bottom: 0.5rem;
}

.arch-node {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.arch-node.primary {
    border-color: var(--color-accent);
    box-shadow: 0 0 30px rgba(255, 107, 0, 0.1);
}

.arch-node.small {
    padding: var(--spacing-sm) var(--spacing-md);
}

.node-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.node-desc {
    display: block;
    font-size: 0.625rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.arch-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.connector-line {
    width: 2px;
    height: 20px;
    background: var(--color-border);
}

.arch-connector.multi {
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-lg);
}

.arch-connector.multi .connector-line {
    width: 2px;
    height: 20px;
}

.connector-label {
    font-size: 0.625rem;
    color: var(--color-text-dim);
    letter-spacing: 0.1em;
    margin-top: 0.25rem;
}

.agent-pool {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tool-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tool-item {
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.arch-wrapper {
    position: absolute;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    padding: var(--spacing-sm);
}

.explainability-wrapper {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    border-left: 2px solid var(--color-warning);
}

.safety-wrapper {
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
    border-left: 2px solid var(--color-success);
}

/* Demos Section */
.demos {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.demo-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.demo-card:hover {
    border-color: var(--color-accent);
}

.demo-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

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

.demo-info {
    padding: var(--spacing-md);
}

.demo-info h3 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.demo-info p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

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

.about-mission {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.about-text {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    gap: 10px;
}

.visual-cell {
    width: 80px;
    height: 80px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

.visual-cell.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Community Section */
.community {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.community-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    text-align: center;
    position: relative;
}

.community-card.coming-soon {
    opacity: 0.6;
}

.community-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.community-card h3 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.community-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.coming-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
    background: var(--color-border);
    color: var(--color-text-muted);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.form-group select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Submission Success */
.submission-success {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--color-success);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
}

.submission-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.submission-success p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 400px;
    margin: 0 auto;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-lg);
}

.footer-logo-img {
    height: 28px;
    width: auto;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
}

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

.footer-location {
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

/* Responsive */
@media (max-width: 1024px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-card.featured {
        transform: none;
        order: -1;
    }
    
    .tech-layer {
        grid-template-columns: 60px 1fr 60px;
    }
    
    .layer-details {
        grid-template-columns: 1fr;
    }
    
    .explainability-demo {
        grid-template-columns: 1fr;
    }
    
    .safety-grid {
        grid-template-columns: 1fr;
    }
    
    .community-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: clamp(2rem, 12vw, 4rem);
    }
    
    .mission-tabs {
        flex-wrap: wrap;
    }
    
    .mission-tab {
        flex: 1 1 45%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .diagram-container {
        flex-direction: column;
    }
    
    .diagram-arrow {
        transform: rotate(90deg);
    }
    
    .mission-metrics {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .tech-layer {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .layer-number,
    .layer-icon {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-visual {
        order: -1;
    }
    
    .demos-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .arch-wrapper {
        display: none;
    }
}

/* Animations on scroll */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}