/* ============================================
   PROJECT CHIMERA - Cyberpunk Landing Page
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-black: #0A0A0A;
    --color-dark: #0D0D0D;
    --color-midnight: #001F3F;
    --color-purple: #2A0A2A;
    --color-cyan: #00FFFF;
    --color-pink: #FF00FF;
    --color-green: #39FF14;
    --color-yellow: #FFFF00;
    --color-gray: #808080;
    --color-white: #FFFFFF;
    --color-dark-gray: #1A1A1A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-cyan), var(--color-pink));
    --gradient-dark: linear-gradient(180deg, var(--color-black), var(--color-dark));
    
    /* Fonts */
    --font-heading: 'Orbitron', sans-serif;
    --font-subheading: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    --font-body: 'Roboto Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--color-cyan);
    color: var(--color-black);
}

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

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

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

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

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

/* ============================================
   LOADER
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: 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-bar {
    width: 200px;
    height: 2px;
    background: var(--color-dark-gray);
    margin-bottom: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    animation: loader-scan 1.5s infinite;
}

@keyframes loader-scan {
    0% { left: -100%; }
    100% { left: 100%; }
}

.loader-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-cyan);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.blink {
    animation: blink 0.7s infinite;
}

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

.loader-progress {
    width: 200px;
    height: 4px;
    background: var(--color-dark-gray);
    border-radius: 2px;
    overflow: hidden;
}

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

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

/* ============================================
   PARTICLE CANVAS
   ============================================ */
#particle-canvas {
    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(--spacing-sm) 0;
    z-index: 1000;
    transition: var(--transition-normal);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

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

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-bracket {
    color: var(--color-cyan);
}

.logo-text {
    color: var(--color-white);
}

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

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

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

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray);
    text-decoration: none;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-cyan);
    transition: var(--transition-fast);
}

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

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

.nav-link-cta {
    background: var(--gradient-primary);
    color: var(--color-black);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

.nav-link-cta::before {
    display: none;
}

.nav-link-cta:hover {
    color: var(--color-black);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

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

.grid-overlay {
    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: grid-move 20s linear infinite;
}

@keyframes grid-move {
    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-cyan), transparent);
    animation: scan 4s linear infinite;
}

@keyframes scan {
    0% { top: 0; opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    letter-spacing: 2px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

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

.hero-title-jp {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-en {
    display: block;
    font-size: 0.4em;
    color: var(--color-gray);
    letter-spacing: 0.5em;
    margin-top: var(--spacing-xs);
}

/* Glitch Effect */
.glitch {
    position: relative;
}

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

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--color-pink);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--color-cyan);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim-2 2s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% { clip: rect(20px, 9999px, 40px, 0); }
    25% { clip: rect(10px, 9999px, 60px, 0); }
    50% { clip: rect(50px, 9999px, 30px, 0); }
    75% { clip: rect(30px, 9999px, 70px, 0); }
    100% { clip: rect(60px, 9999px, 20px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(60px, 9999px, 20px, 0); }
    25% { clip: rect(30px, 9999px, 70px, 0); }
    50% { clip: rect(10px, 9999px, 60px, 0); }
    75% { clip: rect(50px, 9999px, 30px, 0); }
    100% { clip: rect(20px, 9999px, 40px, 0); }
}

.hero-subtitle {
    font-family: var(--font-subheading);
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.subtitle-line {
    display: block;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-black);
    font-weight: 600;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

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

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5), 0 0 60px rgba(255, 0, 255, 0.3);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.btn-icon {
    transition: var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(5px);
}

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

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 2px;
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-cyan), transparent);
    animation: scroll-pulse 2s infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 1; height: 60px; }
    50% { opacity: 0.5; height: 40px; }
}

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

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

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    letter-spacing: 3px;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    font-family: var(--font-subheading);
    font-size: 1rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
    background: linear-gradient(180deg, var(--color-black), var(--color-dark));
}

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

.problem-lead {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.problem-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.problem-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 0, 0, 0.05);
    border-left: 3px solid #FF4444;
    transition: var(--transition-fast);
}

.problem-item:hover {
    background: rgba(255, 0, 0, 0.1);
    transform: translateX(5px);
}

.problem-icon {
    color: #FF4444;
    font-size: 1.25rem;
}

.problem-item-content h4 {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.problem-item-content p {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Terminal */
.terminal {
    background: var(--color-dark);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.1);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

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

.terminal-dot.red { background: #FF5F56; }
.terminal-dot.yellow { background: #FFBD2E; }
.terminal-dot.green { background: #27CA40; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-left: auto;
}

.terminal-body {
    padding: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.terminal-prompt {
    color: var(--color-cyan);
    margin-right: 0.5rem;
}

.terminal-error { color: #FF5F56; }
.terminal-warning { color: #FFBD2E; }
.terminal-text { color: var(--color-gray); }
.terminal-highlight { color: var(--color-pink); font-weight: bold; }

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution {
    background: var(--color-dark);
}

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

.solution-card {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.1);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

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

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-cyan);
}

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

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.card-desc {
    font-size: 0.875rem;
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.card-line {
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

/* ============================================
   TECH SECTION
   ============================================ */
.tech {
    background: linear-gradient(180deg, var(--color-dark), var(--color-black));
}

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

.tech-diagram {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    margin: 0 auto;
}

.diagram-node {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--color-dark);
    border: 2px solid var(--color-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.diagram-node:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    transform: scale(1.1);
}

.diagram-node-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border: none;
}

.diagram-node-center .node-label {
    color: var(--color-black);
    font-weight: 700;
}

.diagram-node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.diagram-node-2 { top: 50%; right: 0; transform: translateY(-50%); }
.diagram-node-3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.diagram-node-4 { top: 50%; left: 0; transform: translateY(-50%); }

.node-label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--color-cyan);
    text-align: center;
    letter-spacing: 1px;
}

.diagram-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.diagram-line {
    stroke: var(--color-cyan);
    stroke-width: 2;
    stroke-dasharray: 5, 5;
    animation: dash 20s linear infinite;
}

@keyframes dash {
    to { stroke-dashoffset: -1000; }
}

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

.spec-item {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--color-cyan);
}

.spec-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0.5rem;
}

.spec-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.spec-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.spec-desc {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.spec-bar {
    height: 4px;
    background: var(--color-dark-gray);
    border-radius: 2px;
    overflow: hidden;
}

.spec-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 1s ease;
}

/* ============================================
   ROADMAP SECTION
   ============================================ */
.roadmap {
    background: var(--color-black);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-cyan), var(--color-pink));
}

.timeline-item {
    display: flex;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--color-dark);
    border: 2px solid var(--color-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.marker-year {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-cyan);
}

.timeline-content {
    width: calc(50% - 60px);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-desc {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.timeline-status {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
    letter-spacing: 1px;
}

.status-complete {
    background: rgba(57, 255, 20, 0.2);
    color: var(--color-green);
    border: 1px solid var(--color-green);
}

.status-active {
    background: rgba(0, 255, 255, 0.2);
    color: var(--color-cyan);
    border: 1px solid var(--color-cyan);
    animation: status-pulse 2s infinite;
}

@keyframes status-pulse {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 255, 255, 0.5); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 255, 0.8); }
}

.status-upcoming {
    background: rgba(128, 128, 128, 0.2);
    color: var(--color-gray);
    border: 1px solid var(--color-gray);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    background: var(--color-dark);
    position: relative;
    overflow: hidden;
}

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

.cta-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        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: 100% 100%, 30px 30px, 30px 30px;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
}

.cta-subtitle {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-cyan);
    letter-spacing: 3px;
    margin-bottom: var(--spacing-md);
}

.cta-desc {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.cta-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    gap: 0;
    max-width: 500px;
    margin: 0 auto;
}

.form-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--color-black);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-right: none;
    color: var(--color-white);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition-fast);
}

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

.form-input:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.form-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--gradient-primary);
    border: none;
    color: var(--color-black);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.form-btn:hover {
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
}

.btn-arrow {
    transition: var(--transition-fast);
}

.form-btn:hover .btn-arrow {
    transform: translateX(5px);
}

.form-note {
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-top: var(--spacing-xs);
}

/* Counter */
.cta-counter {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.counter-item {
    text-align: center;
}

.counter-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.counter-label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

.counter-separator {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-cyan);
    animation: blink 1s infinite;
}

.counter-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

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

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

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

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

.footer-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
}

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

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.2);
    color: var(--color-cyan);
    transition: var(--transition-fast);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    background: var(--color-cyan);
    color: var(--color-black);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .problem-content,
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .problem-visual {
        order: -1;
    }
    
    .tech-diagram {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-dark);
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
        border-left: 1px solid rgba(0, 255, 255, 0.2);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle.active .nav-toggle-bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .nav-toggle-bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .nav-toggle-bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-marker {
        left: 30px;
        width: 50px;
        height: 50px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
        text-align: left;
        padding-left: 80px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-input {
        border-right: 1px solid rgba(0, 255, 255, 0.3);
        border-bottom: none;
    }
    
    .footer-top,
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-counter {
        flex-wrap: wrap;
    }
    
    .counter-value {
        font-size: 2rem;
    }
}