/* ========================================
   NEO TOKYO 204X - Cyberpunk Landing Page
   ======================================== */

/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Color Palette */
    --color-bg-deep: #050505;
    --color-bg-dark: #0a0a0a;
    --color-bg-darker: #030303;
    --color-bg-panel: #0f0f0f;
    
    /* Base Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-dark: #1a1a1a;
    --color-gray-medium: #333333;
    --color-gray-light: #4a4a4a;
    --color-gray-lighter: #666666;
    
    /* Neon Accent Colors */
    --color-neon-blue: #00f3ff;
    --color-neon-blue-dim: rgba(0, 243, 255, 0.2);
    --color-neon-pink: #ff00ff;
    --color-neon-pink-dim: rgba(255, 0, 255, 0.2);
    --color-neon-green: #39ff14;
    --color-neon-green-dim: rgba(57, 255, 20, 0.2);
    --color-neon-yellow: #ffff00;
    --color-neon-yellow-dim: rgba(255, 255, 0, 0.2);
    
    /* Text Colors */
    --color-text-main: #e0e0e0;
    --color-text-muted: #888888;
    --color-text-accent: var(--color-neon-blue);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-neon-blue) 0%, var(--color-neon-pink) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-neon-green) 0%, var(--color-neon-blue) 100%);
    --gradient-panel: linear-gradient(180deg, rgba(15, 15, 15, 0.9) 0%, rgba(5, 5, 5, 0.95) 100%);
    
    /* Shadows */
    --shadow-glow-blue: 0 0 20px var(--color-neon-blue-dim), 0 0 40px var(--color-neon-blue-dim);
    --shadow-glow-pink: 0 0 20px var(--color-neon-pink-dim), 0 0 40px var(--color-neon-pink-dim);
    --shadow-glow-green: 0 0 20px var(--color-neon-green-dim), 0 0 40px var(--color-neon-green-dim);
    
    /* Spacing */
    --spacing-section: 120px;
    --spacing-container: 120px;
    --spacing-card: 30px;
    
    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-bg-deep);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 2rem);
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

a {
    color: var(--color-text-main);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-neon-blue);
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-container);
}

.section {
    padding: var(--spacing-section) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-green);
    margin-bottom: 1rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.section-title {
    color: var(--color-text-main);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.highlight {
    color: var(--color-neon-blue);
    text-shadow: 0 0 10px var(--color-neon-blue-dim);
}

/* ========================================
   Glitch Effect
   ======================================== */
.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-deep);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--color-neon-pink);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-1 2.5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 var(--color-neon-blue);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% { clip: rect(30px, 9999px, 20px, 0); }
    20% { clip: rect(80px, 9999px, 90px, 0); }
    40% { clip: rect(10px, 9999px, 60px, 0); }
    60% { clip: rect(50px, 9999px, 10px, 0); }
    80% { clip: rect(70px, 9999px, 30px, 0); }
    100% { clip: rect(40px, 9999px, 80px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(10px, 9999px, 80px, 0); }
    20% { clip: rect(60px, 9999px, 20px, 0); }
    40% { clip: rect(90px, 9999px, 40px, 0); }
    60% { clip: rect(20px, 9999px, 70px, 0); }
    80% { clip: rect(50px, 9999px, 10px, 0); }
    100% { clip: rect(80px, 9999px, 60px, 0); }
}

/* ========================================
   Loader
   ======================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

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

.loader-line {
    width: 300px;
    height: 2px;
    background: var(--color-gray-dark);
    margin: 0 auto 20px;
    position: relative;
    overflow: hidden;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    animation: loader-progress 2s ease-in-out forwards;
}

@keyframes loader-progress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loader-text {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.2em;
    animation: loader-text 2s ease-in-out forwards;
    animation-delay: 0.5s;
}

@keyframes loader-text {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 1; }
}

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    padding: 15px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-container);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.logo-icon {
    color: var(--color-neon-blue);
    text-shadow: 0 0 10px var(--color-neon-blue-dim);
}

.logo-sub {
    color: var(--color-neon-pink);
    font-size: 0.75em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-neon-blue);
    transition: width var(--transition-normal);
}

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

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

.nav-link-primary {
    color: var(--color-neon-green);
    padding: 10px 20px;
    border: 1px solid var(--color-neon-green);
    border-radius: 4px;
    transition: all var(--transition-normal);
}

.nav-link-primary:hover {
    background: var(--color-neon-green-dim);
    box-shadow: 0 0 20px var(--color-neon-green-dim);
}

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

.hamburger-line {
    width: 25px;
    height: 2px;
    background: var(--color-text-main);
    transition: all var(--transition-normal);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 243, 255, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-container);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-badge {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-green);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-neon-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-neon-green);
    animation: pulse 2s infinite;
}

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

.hero-title {
    color: var(--color-text-main);
    margin-bottom: 0;
}

.hero-subtitle {
    font-size: 1.5rem;
    line-height: 1.4;
    color: var(--color-text-muted);
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: 1px solid var(--color-neon-blue);
    box-shadow: 0 0 20px var(--color-neon-blue-dim);
}

.btn-primary:hover {
    box-shadow: 0 0 40px var(--color-neon-blue-dim);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-gray-light);
    transition: all var(--transition-normal);
}

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

.btn-icon {
    font-size: 1.25rem;
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.25rem;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

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

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hud-frame {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-gray-dark);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 40px var(--color-neon-blue-dim);
}

.hud-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-neon-blue);
}

.hud-corner.tl {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

.hud-corner.tr {
    top: -2px;
    right: -2px;
    border-left: none;
    border-bottom: none;
}

.hud-corner.bl {
    bottom: -2px;
    left: -2px;
    border-right: none;
    border-top: none;
}

.hud-corner.br {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.hud-scanline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 243, 255, 0.1) 50%);
    background-size: 100% 4px;
    animation: scanline 4s linear infinite;
    pointer-events: none;
}

@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.hero-image {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neon-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--color-neon-blue-dim) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-neon-blue-dim) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg) translateY(100px);
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.floating-cities {
    position: relative;
    width: 100%;
    height: 100%;
}

.city-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--color-bg-deep), transparent);
}

.city-layer.layer-1 {
    background-image: linear-gradient(to top, var(--color-bg-deep), transparent);
    opacity: 0.3;
}

.city-layer.layer-2 {
    background-image: linear-gradient(to top, var(--color-bg-darker), transparent);
    opacity: 0.5;
}

.city-layer.layer-3 {
    background-image: linear-gradient(to top, var(--color-gray-dark), transparent);
    opacity: 0.7;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: scroll-indicator 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-neon-blue);
    border-bottom: 2px solid var(--color-neon-blue);
    transform: rotate(45deg);
}

@keyframes scroll-indicator {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   Prologue Section
   ======================================== */
.section-prologue {
    background: linear-gradient(to bottom, var(--color-bg-deep), var(--color-bg-darker));
}

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

.prologue-paragraph {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.8;
}

.prologue-paragraph:first-of-type {
    font-size: 1.25rem;
    color: var(--color-text-main);
}

.prologue-visual {
    position: relative;
    height: 400px;
}

.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0.3;
}

.stream-line {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-green);
    white-space: nowrap;
    animation: stream-scroll 20s linear infinite;
}

.stream-line:nth-child(1) { animation-duration: 20s; }
.stream-line:nth-child(2) { animation-duration: 25s; animation-direction: reverse; }
.stream-line:nth-child(3) { animation-duration: 30s; }
.stream-line:nth-child(4) { animation-duration: 35s; animation-direction: reverse; }

@keyframes stream-scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.circuit-board {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
}

.circuit-path {
    position: absolute;
    border: 2px solid var(--color-gray-dark);
    transition: all var(--transition-normal);
}

.circuit-path.path-1 {
    top: 50%;
    left: 0;
    width: 100px;
    height: 2px;
}

.circuit-path.path-2 {
    top: 50%;
    right: 0;
    width: 100px;
    height: 2px;
}

.circuit-path.path-3 {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100px;
}

.circuit-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--color-bg-darker);
    border: 2px solid var(--color-neon-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-neon-blue-dim);
    transition: all var(--transition-normal);
}

.circuit-node.node-1 {
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%);
}

.circuit-node.node-2 {
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
}

.circuit-node.node-3 {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* ========================================
   Features Section
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-gray-dark);
    border-radius: 8px;
    padding: 40px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.feature-card:hover {
    border-color: var(--color-neon-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow-blue);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.icon-inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-darker);
    border-radius: 8px;
    border: 1px solid var(--color-gray-dark);
    transition: all var(--transition-normal);
}

.feature-card:hover .icon-inner {
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 20px var(--color-neon-blue-dim);
}

.icon-inner svg {
    width: 30px;
    height: 30px;
    color: var(--color-neon-blue);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-main);
    margin-bottom: 15px;
}

.feature-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.feature-tech {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 5px 10px;
    background: var(--color-bg-darker);
    border: 1px solid var(--color-gray-dark);
    border-radius: 4px;
    color: var(--color-neon-blue);
    letter-spacing: 0.1em;
}

/* ========================================
   Architecture Section
   ======================================== */
.architecture-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.architecture-diagram {
    position: relative;
    padding: 40px;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-gray-dark);
    border-radius: 8px;
    overflow: hidden;
}

.arch-layer {
    position: relative;
    margin-bottom: 30px;
}

.arch-box {
    background: var(--color-bg-darker);
    border: 1px solid var(--color-gray-dark);
    border-radius: 4px;
    padding: 20px;
}

.arch-box-header {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-neon-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-gray-dark);
}

.arch-box-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.arch-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding: 8px 12px;
    background: var(--color-bg-deep);
    border-left: 2px solid var(--color-neon-blue);
    transition: all var(--transition-normal);
}

.arch-item:hover {
    color: var(--color-text-main);
    background: var(--color-gray-dark);
    transform: translateX(5px);
}

.arch-arrows {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.arrow {
    width: 40px;
    height: 2px;
    background: var(--color-gray-dark);
    position: relative;
}

.arrow::after {
    content: '';
    position: absolute;
    right: -10px;
    top: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--color-neon-blue);
    border-bottom: 2px solid var(--color-neon-blue);
    transform: rotate(45deg);
}

.arrow.up::after {
    transform: rotate(225deg);
}

.arrow.down::after {
    transform: rotate(45deg);
}

.arch-layer:nth-child(1) .arrow.up { animation: arrow-move 3s ease-in-out infinite; }
.arch-layer:nth-child(2) .arrow.up { animation: arrow-move 3s ease-in-out infinite 0.5s; }
.arch-layer:nth-child(3) .arrow.up { animation: arrow-move 3s ease-in-out infinite 1s; }
.arch-layer:nth-child(4) .arrow.up { animation: arrow-move 3s ease-in-out infinite 1.5s; }
.arch-layer:nth-child(5) .arrow.down { animation: arrow-move 3s ease-in-out infinite 2s; }

@keyframes arrow-move {
    0%, 100% { opacity: 0; transform: translateX(-10px); }
    50% { opacity: 1; transform: translateX(0); }
}

.detail-item {
    margin-bottom: 30px;
}

.detail-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-neon-blue);
    margin-bottom: 10px;
}

.detail-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* ========================================
   Schedule Section
   ======================================== */
.schedule-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.schedule-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--color-gray-dark);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    justify-content: flex-end;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-bg-darker);
    border: 2px solid var(--color-neon-blue);
    border-radius: 50%;
    z-index: 2;
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
    background: var(--color-neon-blue);
    box-shadow: 0 0 20px var(--color-neon-blue-dim);
}

.timeline-content {
    width: 45%;
    padding: 20px;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-gray-dark);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-neon-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow-blue);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-green);
    margin-bottom: 10px;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-main);
    margin-bottom: 10px;
}

.timeline-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* ========================================
   CTA Section
   ======================================== */
.section-cta {
    padding: 120px 0;
    background: linear-gradient(to bottom, var(--color-bg-darker), var(--color-bg-deep));
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 243, 255, 0.15) 0%, transparent 70%);
    z-index: 1;
}

.cta-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-container);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cta-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cta-badge {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.cta-title {
    color: var(--color-text-main);
    margin-bottom: 0;
}

.cta-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.cta-timer {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.timer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.timer-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-neon-blue);
    min-width: 60px;
    text-align: center;
}

.timer-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

.timer-separator {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-gray-light);
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    background: var(--color-bg-darker);
    border: 1px solid var(--color-gray-dark);
    border-radius: 4px;
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-neon-blue);
    outline: none;
    box-shadow: 0 0 20px var(--color-neon-blue-dim);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--color-bg-darker);
    color: var(--color-text-main);
}

.cta-note {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-yellow);
    display: flex;
    align-items: center;
    gap: 10px;
}

.note-icon {
    color: var(--color-neon-yellow);
}

.cta-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circuit-board-large {
    position: absolute;
    width: 400px;
    height: 400px;
}

.circuit-path-large {
    position: absolute;
    border: 2px solid var(--color-gray-dark);
    transition: all var(--transition-normal);
}

.circuit-path-large.path-1 {
    top: 25%;
    left: 0;
    width: 150px;
    height: 2px;
}

.circuit-path-large.path-2 {
    top: 25%;
    right: 0;
    width: 150px;
    height: 2px;
}

.circuit-path-large.path-3 {
    bottom: 25%;
    left: 0;
    width: 150px;
    height: 2px;
}

.circuit-path-large.path-4 {
    bottom: 25%;
    right: 0;
    width: 150px;
    height: 2px;
}

.circuit-path-large.path-5 {
    top: 50%;
    left: 50%;
    width: 2px;
    height: 150px;
    transform: translate(-50%, -50%);
}

.circuit-node-large {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--color-bg-darker);
    border: 2px solid var(--color-neon-pink);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-neon-pink-dim);
    transition: all var(--transition-normal);
}

.circuit-node-large.node-1 {
    top: 25%;
    left: 0;
    transform: translate(-50%, -50%);
}

.circuit-node-large.node-2 {
    top: 25%;
    right: 0;
    transform: translate(50%, -50%);
}

.circuit-node-large.node-3 {
    bottom: 25%;
    left: 0;
    transform: translate(-50%, 50%);
}

.circuit-node-large.node-4 {
    bottom: 25%;
    right: 0;
    transform: translate(50%, 50%);
}

.circuit-node-large.node-5 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.neon-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-neon-pink-dim) 0%, transparent 70%);
    animation: neon-glow 3s ease-in-out infinite;
}

@keyframes neon-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-darker);
    border-top: 1px solid var(--color-gray-dark);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.footer-desc {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-neon-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-menu a {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-gray-dark);
    border-radius: 4px;
    transition: all var(--transition-normal);
}

.social-link:hover {
    border-color: var(--color-neon-blue);
    box-shadow: 0 0 15px var(--color-neon-blue-dim);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-neon-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--color-gray-dark);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-system {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-neon-green);
}

/* ========================================
   Mobile Navigation
   ======================================== */
.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    z-index: 2000;
    transition: left var(--transition-normal);
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.mobile-nav-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-deep);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
}

.mobile-nav-close {
    position: absolute;
    top: 40px;
    right: 40px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
}

.close-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-text-main);
    transition: all var(--transition-normal);
}

.close-line:nth-child(1) {
    top: 0;
    transform: rotate(45deg);
}

.close-line:nth-child(2) {
    top: 0;
    transform: rotate(-45deg);
}

.mobile-nav-close:hover .close-line:nth-child(1) {
    transform: rotate(135deg);
}

.mobile-nav-close:hover .close-line:nth-child(2) {
    transform: rotate(-135deg);
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 100px;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-text-main);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-normal);
}

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

.mobile-nav-link-primary {
    color: var(--color-neon-green);
    border: 1px solid var(--color-neon-green);
    padding: 15px 30px;
    display: inline-block;
    width: fit-content;
    border-radius: 4px;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .prologue-content {
        grid-template-columns: 1fr;
    }
    
    .prologue-visual {
        order: -1;
        margin-bottom: 40px;
    }
    
    .architecture-content {
        grid-template-columns: 1fr;
    }
    
    .cta-container {
        grid-template-columns: 1fr;
    }
    
    .cta-visual {
        order: -1;
        margin-bottom: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 30px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        justify-content: center;
    }
    
    .timeline-item::before {
        left: 20px;
    }
    
    .timeline-content {
        width: 80%;
        text-align: left;
    }
    
    .timeline-item:nth-child(even) {
        justify-content: center;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
    }
    
    .cta-timer {
        justify-content: center;
    }
    
    .timer-value {
        font-size: 2rem;
    }
    
    .timer-separator {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.875rem;
    }
    
    .btn-large {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .features-grid {
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .cta-timer {
        gap: 10px;
    }
    
    .timer-value {
        font-size: 1.5rem;
        min-width: 45px;
    }
    
    .timer-label {
        font-size: 0.625rem;
    }
    
    .timer-separator {
        font-size: 1.5rem;
    }
    
    .footer-logo {
        font-size: 1.25rem;
    }
    
    .mobile-nav-link {
        font-size: 1.5rem;
    }
}