/* ============================================
   Project Chimera - Cyberpunk Landing Page
   ============================================ */

/* CSS Variables */
:root {
    /* Base Colors */
    --color-bg-primary: #0A0A0A;
    --color-bg-secondary: #001F3F;
    --color-bg-tertiary: #2A0A2A;
    
    /* Accent Colors - Neon */
    --color-neon-blue: #00FFFF;
    --color-neon-pink: #FF00FF;
    --color-neon-green: #39FF14;
    --color-neon-yellow: #FFFF00;
    
    /* Sub Colors */
    --color-silver: #808080;
    --color-white: #FFFFFF;
    --color-text: #E0E0E0;
    
    /* Gradients */
    --gradient-neon: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-pink));
    --gradient-dark: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    
    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s ease;
    
    /* Glow Effects */
    --glow-blue: 0 0 10px var(--color-neon-blue), 0 0 20px var(--color-neon-blue), 0 0 40px var(--color-neon-blue);
    --glow-pink: 0 0 10px var(--color-neon-pink), 0 0 20px var(--color-neon-pink), 0 0 40px var(--color-neon-pink);
    --glow-green: 0 0 10px var(--color-neon-green), 0 0 20px var(--color-neon-green), 0 0 40px var(--color-neon-green);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Selection */
::selection {
    background: var(--color-neon-blue);
    color: var(--color-bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-neon-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neon-pink);
}

/* ============================================
   Loader
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.3em;
    margin-bottom: var(--space-md);
    animation: flicker 2s infinite;
}

.loader-bar {
    width: 300px;
    height: 4px;
    background: rgba(0, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.loader-progress {
    height: 100%;
    background: var(--gradient-neon);
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: var(--glow-blue);
}

.loader-percent {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-neon-blue);
}

/* ============================================
   Noise Overlay
   ============================================ */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    animation: noise 0.5s steps(10) infinite;
}

@keyframes noise {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -5%); }
    20% { transform: translate(-10%, 5%); }
    30% { transform: translate(5%, -10%); }
    40% { transform: translate(-5%, 15%); }
    50% { transform: translate(-10%, 5%); }
    60% { transform: translate(15%, 0); }
    70% { transform: translate(0, 10%); }
    80% { transform: translate(-15%, 0); }
    90% { transform: translate(10%, 5%); }
}

/* ============================================
   Particles Canvas
   ============================================ */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    transition: var(--transition-medium);
}

.nav.scrolled {
    padding: var(--space-xs) var(--space-md);
    background: rgba(10, 10, 10, 0.95);
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-neon-blue);
    text-shadow: var(--glow-blue);
    letter-spacing: 0.1em;
}

.logo-version {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-silver);
}

.nav-menu {
    display: flex;
    gap: var(--space-md);
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.1em;
    position: relative;
    padding: var(--space-xs) 0;
    transition: var(--transition-fast);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-neon);
    transition: width var(--transition-medium);
}

.nav-link:hover {
    color: var(--color-neon-blue);
}

.nav-link:hover::before {
    width: 100%;
}

.nav-link-cta {
    color: var(--color-neon-blue);
    border: 1px solid var(--color-neon-blue);
    padding: var(--space-xs) var(--space-sm);
    transition: var(--transition-fast);
}

.nav-link-cta:hover {
    background: var(--color-neon-blue);
    color: var(--color-bg-primary);
    box-shadow: var(--glow-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-neon-blue);
    transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: var(--space-xl) var(--space-md);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 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); }
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-neon-blue), transparent);
    animation: scanLine 4s linear infinite;
    opacity: 0.5;
}

@keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 2px;
    margin-bottom: var(--space-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-neon-green);
    border-radius: 50%;
    box-shadow: var(--glow-green);
    animation: blink 1s infinite;
}

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

.badge-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.2em;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    color: var(--color-white);
}

.title-line.glitch {
    position: relative;
    color: var(--color-neon-blue);
    text-shadow: var(--glow-blue);
}

.title-line.glitch::before,
.title-line.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.title-line.glitch::before {
    color: var(--color-neon-pink);
    animation: glitch1 2s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.title-line.glitch::after {
    color: var(--color-neon-green);
    animation: glitch2 2s infinite;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-3px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
}

@keyframes glitch2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(3px, -3px); }
    40% { transform: translate(3px, 3px); }
    60% { transform: translate(-3px, -3px); }
    80% { transform: translate(-3px, 3px); }
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--color-silver);
    margin-bottom: var(--space-lg);
    min-height: 1.5em;
}

.typing-text {
    color: var(--color-neon-blue);
}

.cursor {
    animation: cursorBlink 1s infinite;
}

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

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

/* Buttons */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: 0.1em;
    overflow: hidden;
    transition: var(--transition-medium);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--color-neon-blue);
    color: var(--color-bg-primary);
    box-shadow: var(--glow-blue);
}

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

.btn-secondary:hover {
    border-color: var(--color-neon-pink);
    color: var(--color-neon-pink);
}

.btn-large {
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
}

.btn-glitch {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

.btn:hover .btn-glitch {
    left: 100%;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-neon-blue);
    text-shadow: var(--glow-blue);
}

.stat-unit {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-neon-pink);
}

.stat-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-silver);
    letter-spacing: 0.2em;
    margin-top: var(--space-xs);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-silver);
    letter-spacing: 0.3em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-neon-blue), transparent);
}

/* ============================================
   Sections Common
   ============================================ */
.section {
    padding: var(--space-xl) var(--space-md);
    position: relative;
}

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

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

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-neon-pink);
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
}

.title-jp {
    display: block;
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.title-en {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.3em;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-primary) 100%);
}

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

.about-text {
    font-size: 1.1rem;
}

.lead-text {
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-text p {
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.warning-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 0, 255, 0.1);
    border-left: 3px solid var(--color-neon-pink);
    margin-top: var(--space-md);
}

.warning-icon {
    font-size: 1.5rem;
    color: var(--color-neon-pink);
}

.warning-text {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-neon-pink);
}

/* Data Visualization */
.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.data-viz {
    position: relative;
    width: 300px;
    height: 300px;
}

.viz-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid var(--color-neon-blue);
    border-radius: 50%;
    opacity: 0.3;
    animation: rotate 10s linear infinite;
}

.viz-ring:nth-child(1) {
    width: 100%;
    height: 100%;
}

.viz-ring:nth-child(2) {
    width: 75%;
    height: 75%;
    border-color: var(--color-neon-pink);
    animation-direction: reverse;
    animation-duration: 8s;
}

.viz-ring:nth-child(3) {
    width: 50%;
    height: 50%;
    border-color: var(--color-neon-green);
    animation-duration: 6s;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.viz-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.viz-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-neon-blue);
    text-shadow: var(--glow-blue);
}

.viz-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-silver);
    letter-spacing: 0.2em;
}

/* ============================================
   Features Section
   ============================================ */
.features {
    background: var(--color-bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.feature-card {
    background: rgba(0, 31, 63, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.2);
    padding: var(--space-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-medium);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-neon);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-neon-blue);
    box-shadow: 0 10px 40px rgba(0, 255, 255, 0.2);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-md);
}

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

.icon-circle {
    fill: none;
    stroke: var(--color-neon-blue);
    stroke-width: 2;
    opacity: 0.5;
}

.icon-lines, .icon-path, .icon-rect, .icon-wave {
    fill: none;
    stroke: var(--color-neon-blue);
    stroke-width: 2;
}

.icon-dot, .icon-inner {
    fill: var(--color-neon-blue);
}

.feature-card:hover .icon-circle,
.feature-card:hover .icon-lines,
.feature-card:hover .icon-path,
.feature-card:hover .icon-rect,
.feature-card:hover .icon-wave {
    stroke: var(--color-neon-pink);
}

.feature-card:hover .icon-dot,
.feature-card:hover .icon-inner {
    fill: var(--color-neon-pink);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.feature-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--space-sm);
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.feature-specs {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.spec {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-neon-green);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid rgba(57, 255, 20, 0.3);
}

/* ============================================
   Tech Section
   ============================================ */
.tech {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-tertiary) 50%, var(--color-bg-primary) 100%);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.tech-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.diagram-layer {
    background: rgba(0, 31, 63, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: var(--space-md);
    position: relative;
    transition: var(--transition-medium);
}

.diagram-layer:hover {
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.diagram-layer::before {
    content: attr(data-layer);
    position: absolute;
    top: -10px;
    left: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-neon-pink);
    background: var(--color-bg-primary);
    padding: 0 var(--space-xs);
}

.layer-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.layer-content {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.layer-item {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.diagram-connector {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
}

.connector-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-pink));
    position: relative;
}

.connector-line::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--color-neon-pink);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.connector-data {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-neon-pink);
    letter-spacing: 0.1em;
}

.tech-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.tech-item {
    padding: var(--space-md);
    background: rgba(0, 31, 63, 0.3);
    border-left: 3px solid var(--color-neon-blue);
    transition: var(--transition-medium);
}

.tech-item:hover {
    background: rgba(0, 31, 63, 0.5);
    transform: translateX(10px);
}

.tech-item-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.tech-item-desc {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.7;
}

/* ============================================
   Roadmap Section
   ============================================ */
.roadmap {
    background: var(--color-bg-primary);
}

.timeline {
    position: relative;
    padding-left: var(--space-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-neon-blue), var(--color-neon-pink), var(--color-neon-green));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition-medium);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    position: absolute;
    left: -48px;
    top: 0;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--color-neon-blue);
    border-radius: 50%;
    box-shadow: var(--glow-blue);
    position: relative;
    z-index: 2;
}

.marker-line {
    position: absolute;
    top: 8px;
    left: 16px;
    width: 30px;
    height: 2px;
    background: var(--color-neon-blue);
}

.timeline-content {
    background: rgba(0, 31, 63, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.2);
    padding: var(--space-md);
    transition: var(--transition-medium);
}

.timeline-content:hover {
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-neon-pink);
    letter-spacing: 0.1em;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    margin: var(--space-xs) 0;
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.timeline-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: var(--space-xs) var(--space-sm);
    letter-spacing: 0.1em;
}

.status-complete {
    color: var(--color-neon-green);
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid rgba(57, 255, 20, 0.3);
}

.status-progress {
    color: var(--color-neon-blue);
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.3);
    animation: pulse 2s infinite;
}

.status-upcoming {
    color: var(--color-silver);
    background: rgba(128, 128, 128, 0.1);
    border: 1px solid rgba(128, 128, 128, 0.3);
}

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

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-line {
    display: block;
    color: var(--color-white);
}

.cta-line.glitch {
    color: var(--color-neon-blue);
    text-shadow: var(--glow-blue);
    position: relative;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    margin-bottom: var(--space-lg);
}

.form-group {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 1rem;
    background: rgba(0, 31, 63, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: var(--color-white);
    outline: none;
    transition: var(--transition-medium);
}

.form-input:focus {
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.form-input::placeholder {
    color: var(--color-silver);
}

.form-label {
    position: absolute;
    top: -10px;
    left: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-neon-blue);
    background: var(--color-bg-primary);
    padding: 0 var(--space-xs);
    letter-spacing: 0.1em;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-neon);
    transition: width var(--transition-medium);
}

.form-input:focus + .form-label + .form-line {
    width: 100%;
}

/* Timer */
.cta-timer {
    margin-top: var(--space-lg);
}

.timer-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-silver);
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.timer-display {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    align-items: center;
}

.timer-unit {
    text-align: center;
}

.timer-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-neon-blue);
    text-shadow: var(--glow-blue);
    display: block;
}

.timer-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-silver);
    letter-spacing: 0.1em;
}

.timer-separator {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-neon-pink);
    animation: blink 1s infinite;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    padding: var(--space-lg) var(--space-md) var(--space-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-logo .logo-text {
    font-size: 1.2rem;
}

.logo-tagline {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-silver);
    margin-top: var(--space-xs);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-neon-blue);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 255, 255, 0.3);
    transition: var(--transition-medium);
}

.social-link:hover {
    border-color: var(--color-neon-blue);
    box-shadow: var(--glow-blue);
}

.social-icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--color-text);
    stroke-width: 2;
    transition: var(--transition-fast);
}

.social-link:hover .social-icon {
    stroke: var(--color-neon-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(0, 255, 255, 0.1);
}

.copyright {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-silver);
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-neon-green);
    letter-spacing: 0.1em;
}

/* ============================================
   Animations
   ============================================ */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.3; }
    94% { opacity: 1; }
    95% { opacity: 0.5; }
    96% { opacity: 1; }
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .about-content,
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        order: -1;
    }
    
    .data-viz {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 5rem;
        --space-lg: 3rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        transition: right var(--transition-medium);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-stats {
        gap: var(--space-md);
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: var(--space-md);
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-marker {
        left: -38px;
    }
    
    .marker-line {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 3rem;
        --space-lg: 2rem;
        --space-md: 1.5rem;
    }
    
    html {
        font-size: 14px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .timer-display {
        flex-wrap: wrap;
    }
    
    .timer-value {
        font-size: 1.8rem;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--color-neon-blue);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-neon-blue);
    color: var(--color-bg-primary);
    padding: var(--space-xs) var(--space-sm);
    z-index: 10001;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}