:root {
    --primary: #00d4ff;
    --secondary: #7c3aed;
    --accent: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0a0a1a;
    --darker: #050510;
    --card-bg: rgba(15, 15, 35, 0.7);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --gradient-1: linear-gradient(135deg, #00d4ff, #7c3aed);
    --gradient-2: linear-gradient(135deg, #7c3aed, #ec4899);
    --gradient-3: linear-gradient(135deg, #10b981, #00d4ff);
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--darker);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-1);
    z-index: 10000;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px var(--primary);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 16, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(5, 5, 16, 0.95);
    box-shadow: 0 4px 30px rgba(0, 212, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 24px 60px;
}

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

.hero-3d-scene {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 300px;
    margin-bottom: 40px;
    perspective: 1000px;
}

.floating-car {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 4s ease-in-out infinite;
}

.car-svg {
    width: 280px;
    height: 140px;
    filter: drop-shadow(0 20px 40px rgba(0, 212, 255, 0.3));
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0) rotateX(5deg); }
    50% { transform: translate(-50%, -50%) translateY(-15px) rotateX(0deg); }
}

.data-points {
    position: absolute;
    width: 100%;
    height: 100%;
}

.data-point {
    position: absolute;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    animation: dataFloat 3s ease-in-out infinite;
}

.dp-1 { top: 20%; left: 10%; animation-delay: 0s; }
.dp-2 { top: 10%; right: 15%; animation-delay: 0.5s; }
.dp-3 { bottom: 30%; left: 5%; animation-delay: 1s; }
.dp-4 { bottom: 20%; right: 10%; animation-delay: 1.5s; }
.dp-5 { top: 40%; left: 70%; animation-delay: 2s; }

@keyframes dataFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-8px) scale(1.05); }
}

.price-tag {
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-1);
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.price-value {
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.price-icon {
    font-size: 1.2rem;
    animation: spin 8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0c0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: rotate(45deg);
}

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

/* Sections */
.section {
    padding: 100px 0;
    position: relative;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.3;
    background: linear-gradient(135deg, #ffffff, #c0c0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Introduction Section */
.intro-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

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

.layer {
    position: absolute;
    width: 280px;
    height: 200px;
    border-radius: 16px;
    opacity: 0.7;
}

.layer-1 {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(124, 58, 237, 0.2));
    border: 1px solid rgba(0, 212, 255, 0.3);
    transform: rotate(-5deg) translateX(-20px);
    animation: layerReveal 1s ease-out;
}

.layer-2 {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(236, 72, 153, 0.2));
    border: 1px solid rgba(124, 58, 237, 0.3);
    transform: rotate(-2deg);
    animation: layerReveal 1s ease-out 0.2s;
}

.layer-3 {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(0, 212, 255, 0.2));
    border: 1px solid rgba(16, 185, 129, 0.3);
    transform: rotate(2deg) translateX(10px);
    animation: layerReveal 1s ease-out 0.4s;
}

.layer-4 {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(124, 58, 237, 0.2));
    border: 1px solid rgba(245, 158, 11, 0.3);
    transform: rotate(5deg) translateX(20px);
    animation: layerReveal 1s ease-out 0.6s;
}

@keyframes layerReveal {
    from { opacity: 0; transform: translateX(-50px) rotate(-10deg); }
    to { opacity: 0.7; }
}

.vin-scanner {
    position: relative;
    z-index: 5;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 16px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.scanner-beam {
    width: 3px;
    height: 30px;
    background: var(--primary);
    border-radius: 2px;
    animation: scan 1.5s ease-in-out infinite;
}

@keyframes scan {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

.intro-text .intro-lead {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.intro-text .intro-body {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.inline-link {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.inline-link:hover {
    color: #00f0ff;
    border-bottom-color: var(--primary);
}

/* Definition Section */
.definition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.definition-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.card-before, .card-after {
    flex: 1;
    text-align: center;
}

.card-before h3, .card-after h3 {
    font-size: 1rem;
    margin: 12px 0 8px;
    color: var(--text-primary);
}

.card-before p, .card-after p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.transform-visual {
    width: 80px;
    height: 60px;
    margin: 0 auto;
    border-radius: 8px;
}

.raw-car {
    background: linear-gradient(135deg, #444, #666);
    border: 1px solid #555;
}

.valued-car {
    background: var(--gradient-1);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
}

.transform-arrow {
    font-size: 2rem;
    color: var(--primary);
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

.definition-text h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.definition-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

/* Importance Section */
.importance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.importance-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.importance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.importance-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.importance-card:hover::before {
    opacity: 1;
}

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

.pulse-ring {
    animation: pulseRing 3s ease-in-out infinite;
}

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

.importance-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.importance-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.importance-summary {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.importance-summary p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Factors Section */
.factors-orbital {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 500px;
    margin: 0 auto 60px;
}

.orbital-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
    animation: centerPulse 3s ease-in-out infinite;
}

@keyframes centerPulse {
    0%, 100% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.4); }
    50% { box-shadow: 0 0 60px rgba(0, 212, 255, 0.6); }
}

.factor-orbit {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: orbit 20s linear infinite;
}

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.factor-item {
    position: absolute;
    width: 90px;
    height: 90px;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(10px);
    animation: orbit 20s linear infinite reverse;
}

.factor-1 { top: 0; left: 50%; transform: translateX(-50%); }
.factor-2 { top: 25%; right: 0; }
.factor-3 { bottom: 25%; right: 0; }
.factor-4 { bottom: 0; left: 50%; transform: translateX(-50%); }
.factor-5 { bottom: 25%; left: 0; }
.factor-6 { top: 25%; left: 0; }

.factor-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.factor-item h4 {
    font-size: 0.6rem;
    color: var(--text-secondary);
    line-height: 1.2;
    padding: 0 8px;
}

.factors-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.factor-detail-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.factor-detail-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.factor-detail-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.factor-detail-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Process Section */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    position: relative;
    padding-left: 80px;
    padding-bottom: 50px;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.process-step.visible {
    opacity: 1;
    transform: translateX(0);
}

.step-connector {
    position: absolute;
    left: 30px;
    top: 40px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.process-step:last-child .step-connector {
    display: none;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.step-content {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Benefits Section */
.benefits-float {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    animation: benefitFloat 4s ease-in-out infinite;
}

.benefit-card:nth-child(1) { animation-delay: 0s; }
.benefit-card:nth-child(2) { animation-delay: 0.5s; }
.benefit-card:nth-child(3) { animation-delay: 1s; }
.benefit-card:nth-child(4) { animation-delay: 1.5s; }
.benefit-card:nth-child(5) { animation-delay: 2s; }
.benefit-card:nth-child(6) { animation-delay: 2.5s; }

@keyframes benefitFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.benefit-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent);
    border-radius: 50%;
    pointer-events: none;
}

.benefit-card:hover {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.benefit-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

/* Tips Section */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.tip-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tip-card:hover::before {
    opacity: 1;
}

.tip-card:hover {
    transform: translateY(-5px) rotateX(2deg);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.tip-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
    margin-bottom: 12px;
}

.tip-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Problems Section */
.problems-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.problem-item {
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.problem-item:hover {
    border-color: rgba(245, 158, 11, 0.3);
    transform: translateX(5px);
}

.problem-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
    animation: alertPulse 2s ease-in-out infinite;
}

.problem-indicator.warning {
    background: var(--warning);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.problem-indicator.critical {
    background: var(--danger);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

@keyframes alertPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.problem-content h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.problem-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.problem-solution {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--accent);
    line-height: 1.6;
}

/* Investment Section */
.timeline-visual {
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 40px 0;
}

.timeline-track {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.timeline-track::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    opacity: 0.3;
}

.timeline-point {
    position: relative;
    text-align: center;
    z-index: 2;
}

.tp-dot {
    width: 20px;
    height: 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    margin: 0 auto 12px;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.tp-label h4 {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.tp-label span {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}

.investment-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.investment-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.investment-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.investment-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--primary);
}

.investment-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9rem;
}

/* Takeaway Section */
.takeaway-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
}

.takeaway-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.takeaway-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #a0a0c0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.takeaway-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.takeaway-cta {
    position: relative;
    display: inline-block;
}

.cta-energy {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2), transparent);
    border-radius: 50%;
    animation: ctaEnergy 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes ctaEnergy {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.8; }
}

.cta-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: var(--gradient-1);
    border-radius: 50px;
    text-decoration: none;
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
    z-index: 2;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

.cta-arrow {
    transition: transform 0.3s ease;
}

.cta-button:hover .cta-arrow {
    transform: translateX(5px);
}

/* Footer */
.footer {
    background: var(--dark);
    border-top: 1px solid var(--glass-border);
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.5;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-nap {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nap-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.nap-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--primary);
    margin-top: 2px;
}

.footer-col h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 600;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-map-visual {
    margin-bottom: 40px;
    padding: 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.map-svg {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    flex-wrap: wrap;
    gap: 16px;
}

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

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

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

.back-to-top {
    width: 44px;
    height: 44px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.5);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .intro-content,
    .definition-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-visual {
        height: 300px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(5, 5, 16, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        padding: 30px;
        gap: 20px;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .hero-3d-scene {
        height: 200px;
    }
    
    .car-svg {
        width: 200px;
        height: 100px;
    }
    
    .data-point {
        font-size: 0.65rem;
        padding: 5px 10px;
    }
    
    .factors-orbital {
        height: 350px;
    }
    
    .factor-item {
        width: 70px;
        height: 70px;
    }
    
    .factor-icon {
        font-size: 1.2rem;
    }
    
    .factor-item h4 {
        font-size: 0.5rem;
    }
    
    .timeline-track {
        flex-direction: column;
        gap: 30px;
    }
    
    .timeline-track::before {
        width: 2px;
        height: 100%;
        top: 0;
        left: 50%;
    }
    
    .process-step {
        padding-left: 0;
        padding-bottom: 30px;
    }
    
    .step-number {
        position: relative;
        left: 0;
        margin-bottom: 16px;
    }
    
    .step-connector {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 80px 16px 40px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .definition-card {
        flex-direction: column;
    }
    
    .transform-arrow {
        transform: rotate(90deg);
    }
}