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

/* === LANGUAGE SWITCHER === */
.lang-switcher-bar {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-nav-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(0, 209, 96, 0.05);
    border: 1px solid rgba(0, 209, 96, 0.2);
}

.nav-link:hover {
    background: rgba(0, 209, 96, 0.15);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.lang-switcher {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: flex-end;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(251, 247, 247, 0.7);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 209, 96, 0.3);
    color: #fbf7f7;
}

.lang-btn.active {
    background: #00d160;
    border-color: #00d160;
    color: #0a0a0b;
}

:root {
    --color-bg: #0a0a0b;
    --color-bg-secondary: #131216;
    --color-text: #fbf7f7;
    --color-text-secondary: rgba(251, 247, 247, 0.7);
    --color-primary: #00d160;
    --color-accent: #7c3aed;
    --color-red: #eb423d;
    --max-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xxl) 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(90deg, var(--color-primary) 0px, transparent 1px, transparent 50px),
        repeating-linear-gradient(0deg, var(--color-primary) 0px, transparent 1px, transparent 50px);
    opacity: 0.1;
    animation: slidePattern 20s linear infinite;
}

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

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    max-width: 900px;
}

.highlight {
    background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
}

.cta-primary {
    background: linear-gradient(135deg, var(--color-primary), #00a850);
    color: var(--color-bg);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
    animation: ctaPulse 3s ease-in-out infinite;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    animation: ripple 3s ease-out infinite;
}

@keyframes ctaPulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(0, 209, 96, 0.2);
    }
    50% {
        box-shadow: 0 4px 24px rgba(0, 209, 96, 0.4);
    }
}

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

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 209, 96, 0.3);
    animation: none;
}

.cta-primary:active {
    transform: translateY(0);
}

.cta-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.25rem;
}

/* Hero Preview */
.hero-preview {
    margin-top: var(--spacing-xl);
}

.preview-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    max-width: 600px;
    border: 1px solid rgba(0, 209, 96, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

.preview-header {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.preview-content {
    padding: var(--spacing-lg);
}

/* Analytics Header */
.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(0, 209, 96, 0.2);
}

.analytics-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
}

.analytics-badge svg {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.analytics-status {
    font-size: 0.75rem;
    color: var(--color-primary);
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Data Metrics Grid */
.data-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.metric-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.metric-unit {
    font-size: 0.875rem;
    color: var(--color-primary);
    opacity: 0.7;
    margin-left: 2px;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Statistical Visualization */
.preview-chart {
    height: 160px;
    background: rgba(0, 209, 96, 0.03);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.chart-grid {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.3;
}

.chart-line {
    position: absolute;
    top: 0;
    left: 0;
}

/* Seasonal Wave Animations */
.wave-primary {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    animation: drawWave 3s ease-in-out forwards;
    animation-delay: 0.8s;
}

.wave-secondary {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    animation: drawWave 3s ease-in-out forwards;
    animation-delay: 1.2s;
}

@keyframes drawWave {
    to {
        stroke-dashoffset: 0;
    }
}

/* Seasonal peak markers */
.seasonal-markers circle {
    animation: fadeInPulse 0.6s ease-out forwards, seasonalPulse 4s ease-in-out infinite;
    opacity: 0;
}

.seasonal-markers circle:nth-child(1) { animation-delay: 1.5s, 3s; }
.seasonal-markers circle:nth-child(2) { animation-delay: 1.8s, 3.2s; }
.seasonal-markers circle:nth-child(3) { animation-delay: 2.1s, 3.4s; }
.seasonal-markers circle:nth-child(4) { animation-delay: 2.4s, 3.6s; }

@keyframes fadeInPulse {
    to {
        opacity: 0.8;
    }
}

@keyframes seasonalPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
    }
}

/* Scatter data points */
.scatter-points circle {
    animation: scatterFadeIn 0.4s ease-out forwards;
    opacity: 0;
}

.scatter-points circle:nth-child(1) { animation-delay: 2s; }
.scatter-points circle:nth-child(2) { animation-delay: 2.1s; }
.scatter-points circle:nth-child(3) { animation-delay: 2.2s; }
.scatter-points circle:nth-child(4) { animation-delay: 2.3s; }
.scatter-points circle:nth-child(5) { animation-delay: 2.4s; }
.scatter-points circle:nth-child(6) { animation-delay: 2.5s; }
.scatter-points circle:nth-child(7) { animation-delay: 2.6s; }
.scatter-points circle:nth-child(8) { animation-delay: 2.7s; }

@keyframes scatterFadeIn {
    to {
        opacity: 0.6;
    }
}

@keyframes fadeInDot {
    to {
        opacity: 0.7;
    }
}

@keyframes dotPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}

.preview-chart::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 200%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    animation: chartScan 4s ease-in-out infinite;
    animation-delay: 2.5s;
}

@keyframes chartScan {
    0% {
        left: -100%;
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    50% {
        left: 0%;
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

/* Processing Info */
.processing-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.processing-bar {
    height: 4px;
    background: rgba(0, 209, 96, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.processing-fill {
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-primary) 50%, 
        transparent 100%
    );
    background-size: 200% 100%;
    animation: processingMove 2s ease-in-out infinite;
    width: 100%;
}

@keyframes processingMove {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.processing-text {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-align: center;
    animation: fadeInOut 3s ease-in-out infinite;
}

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

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 209, 96, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Why Works Section */
.why-works {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.why-item {
    position: relative;
    padding-left: var(--spacing-xl);
}

.why-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0, 209, 96, 0.2);
    line-height: 1;
}

.why-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

/* Infographic */
.infographic {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.infographic-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.infographic-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.infographic-arrow {
    font-size: 3rem;
    color: var(--color-primary);
}

/* Data Processing Section */
.data-processing {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-secondary);
}

.data-pipeline {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin: var(--spacing-xl) 0;
}

.pipeline-step {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: 16px;
    border: 2px solid rgba(0, 209, 96, 0.2);
    transition: all 0.3s;
}

.pipeline-step:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 209, 96, 0.15);
}

.step-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.step-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    line-height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), #00a84d);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pipeline-step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.pipeline-step p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

.pipeline-arrow {
    font-size: 3rem;
    color: var(--color-accent);
    align-self: center;
    line-height: 1;
}

/* Big Data Stats */
.bigdata-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: 16px;
    border: 2px solid rgba(124, 58, 237, 0.2);
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.stat-big-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* Statistics Guide Promo Section */
.guide-promo {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, rgba(0, 209, 96, 0.05), rgba(0, 150, 255, 0.05));
    position: relative;
    overflow: hidden;
}

.guide-promo::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 209, 96, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.guide-promo-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.guide-promo-text {
    position: relative;
    z-index: 1;
}

.guide-badge {
    display: inline-block;
    background: rgba(0, 209, 96, 0.15);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 209, 96, 0.3);
}

.guide-promo-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.guide-promo-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.guide-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.guide-feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    color: var(--color-text);
}

.guide-icon {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.guide-cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), #00b377);
    color: var(--color-text);
    padding: 16px 32px;
    border-radius: var(--border-radius-md);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 209, 96, 0.3);
}

.guide-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 209, 96, 0.4);
    border-color: var(--color-primary);
}

.guide-promo-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.guide-visual-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
}

.guide-visual-card:hover {
    transform: translateX(10px);
    border-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0, 209, 96, 0.2);
}

.visual-stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.visual-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.visual-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), #00b377);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-question {
    font-size: 2rem;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.visual-explanation {
    font-size: 0.9375rem;
    color: var(--color-text);
    font-weight: 500;
}

/* Responsive for Guide Promo */
@media (max-width: 1024px) {
    .guide-promo-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .guide-promo-title {
        font-size: 2rem;
    }
    
    .guide-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .guide-promo {
        padding: var(--spacing-xl) 0;
    }
    
    .guide-promo-title {
        font-size: 1.75rem;
    }
    
    .guide-promo-description {
        font-size: 1rem;
    }
    
    .guide-visual-card {
        flex-direction: column;
        text-align: center;
    }
}

/* Seasonality Types Section */
.seasonality-types {
    padding: var(--spacing-xxl) 0;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.type-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: 16px;
    border: 2px solid rgba(0, 209, 96, 0.2);
    position: relative;
    transition: all 0.3s;
}

.type-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 209, 96, 0.15);
}

.type-featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(124, 58, 237, 0.02));
}

.type-featured:hover {
    border-color: var(--color-primary);
    box-shadow: 0 16px 48px rgba(124, 58, 237, 0.2);
}

.type-badge {
    position: absolute;
    top: -12px;
    left: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent);
    color: white;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-badge-featured {
    background: var(--color-primary);
}

.type-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.type-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.type-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.type-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.type-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.type-features li:last-child {
    border-bottom: none;
}

.types-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(124, 58, 237, 0.1);
    border-left: 4px solid var(--color-primary);
    border-radius: 16px;
    margin-top: var(--spacing-xl);
}

.types-note svg {
    flex-shrink: 0;
}

.types-note p {
    color: var(--color-text-secondary);
    margin: 0;
}

.types-note strong {
    color: var(--color-text);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid-four {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1400px;
    gap: var(--spacing-md);
}

@media (max-width: 1200px) {
    .pricing-grid-four {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
    }
}

@media (max-width: 768px) {
    .pricing-grid-four {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
}

.pricing-card {
    background: var(--color-bg-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-lg);
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
}

.pricing-featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(0, 209, 96, 0.05) 0%, var(--color-bg-secondary) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), #00a850);
    color: var(--color-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-enterprise {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.05) 0%, var(--color-bg-secondary) 100%);
    position: relative;
}

.pricing-enterprise::before {
    content: 'VIP';
    position: absolute;
    top: -12px;
    left: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent), #9333ea);
    color: var(--color-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.price-contact {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    padding: var(--spacing-sm) 0;
}

.pricing-header {
    margin-bottom: var(--spacing-md);
}

.pricing-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.pricing-desc {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.pricing-features {
    margin: var(--spacing-lg) 0;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.pricing-feature svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-price {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.price-value {
    font-size: 3rem;
    font-weight: 700;
}

.price-period {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.price-yearly {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.price-save {
    color: var(--color-primary);
    font-weight: 600;
}

.pricing-btn {
    width: 100%;
    background: transparent;
    color: var(--color-text);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Poppins', sans-serif;
}

.pricing-btn:hover {
    border-color: var(--color-primary);
    background: rgba(0, 209, 96, 0.1);
}

.pricing-btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #00a850);
    color: var(--color-bg);
    border-color: transparent;
}

.pricing-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 209, 96, 0.3);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Email Delivery Section */
.email-delivery {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg);
}

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

.email-icon {
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.email-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.email-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-bg);
}

.author-name {
    font-weight: 600;
}

.author-role {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Report Preview */
.report-preview {
    margin-top: var(--spacing-xxl);
    text-align: center;
}

.preview-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.preview-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.preview-card-report {
    background: var(--color-bg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preview-card-report:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 32px rgba(0, 209, 96, 0.2);
}

.preview-thumbnail {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-mockup {
    width: 100%;
    height: 100%;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.mockup-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.mockup-date {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.mockup-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Page 3 Mockup */
.mockup-table {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mockup-row {
    display: grid;
    grid-template-columns: 30px 1fr auto 60px;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    font-size: 0.875rem;
    align-items: center;
}

.mockup-buy {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.75rem;
}

.mockup-sell {
    color: var(--color-red);
    font-weight: 600;
    font-size: 0.75rem;
}

.mockup-pair {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pair-icons {
    display: flex;
    align-items: center;
    gap: 2px;
}

.pair-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(0, 209, 96, 0.2);
}

.pair-code {
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Page 2 Mockup */
.mockup-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: rgba(0, 209, 96, 0.1);
    border-radius: 8px;
}

.success-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.success-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mockup-chart {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-params {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: space-around;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Page 1 Mockup */
.mockup-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) 0;
}

.bar {
    flex: 1;
    min-width: 20px;
    border-radius: 4px 4px 0 0;
    transition: transform 0.3s;
}

.preview-card-report:hover .bar {
    transform: scaleY(1.1);
}

.mockup-labels {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.preview-info {
    padding: var(--spacing-md);
    text-align: left;
}

.preview-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.preview-info p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.preview-caption {
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* About Author */
/* Team Section */
.team-section {
    margin-top: var(--spacing-xxl);
    text-align: center;
}

.team-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.team-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.team-member {
    background: var(--color-bg-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.team-member:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 209, 96, 0.2);
}

.team-avatar {
    margin-bottom: var(--spacing-md);
}

.team-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary);
    box-shadow: 0 6px 20px rgba(0, 209, 96, 0.3);
}

.team-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.team-role {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.team-bio {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.team-linkedin {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 209, 96, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 8px;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.team-linkedin:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}

.team-linkedin svg {
    flex-shrink: 0;
}

.team-youtube {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(235, 66, 61, 0.1);
    border: 1px solid #eb423d;
    border-radius: 8px;
    color: #eb423d;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.team-youtube:hover {
    background: #eb423d;
    color: #fff;
}

.team-youtube svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
}

/* Disclaimer Section */
.disclaimer {
    padding: var(--spacing-xl) 0;
    background: rgba(235, 66, 61, 0.05);
    border-top: 2px solid rgba(235, 66, 61, 0.3);
    border-bottom: 2px solid rgba(235, 66, 61, 0.3);
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
}

.disclaimer-title {
    color: #eb423d;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.disclaimer-text {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    text-align: justify;
}

.disclaimer-text strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Final CTA Section */
.final-cta {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, rgba(0, 209, 96, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    text-align: center;
}

.final-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.final-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.final-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.footer-link {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 32px;
        --spacing-xl: 48px;
        --spacing-xxl: 64px;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .features-grid,
    .why-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    /* Hero Analytics Responsive */
    .data-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .metric-label {
        font-size: 0.65rem;
    }

    .metric-value {
        font-size: 1.25rem;
    }

    .analytics-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .processing-text {
        font-size: 0.65rem;
    }

    .infographic {
        flex-direction: column;
    }

    .infographic-arrow {
        transform: rotate(90deg);
    }

    .pricing-grid {
        max-width: 100%;
    }

    /* Data Processing Mobile */
    .data-pipeline {
        grid-template-columns: 1fr;
    }

    .pipeline-arrow {
        transform: rotate(90deg);
        align-self: center;
    }

    .bigdata-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Seasonality Types Mobile */
    .types-grid {
        grid-template-columns: 1fr;
    }

    .types-note {
        flex-direction: column;
        text-align: center;
    }

    /* Why Section Tablet Fix */
    .why-item {
        padding-left: var(--spacing-md);
    }

    .why-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .cta-primary {
        width: 100%;
    }

    .bigdata-stats {
        grid-template-columns: 1fr;
    }

    .stat-big-number {
        font-size: 2.5rem;
    }

    /* Why Section Mobile Fix */
    .why-item {
        padding-left: 0 !important;
        padding-top: 0;
        display: flex;
        flex-direction: column;
    }

    .why-number {
        position: static !important;
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
        order: -1;
    }

    .why-item h3 {
        font-size: 1.05rem;
        margin-top: 0;
    }

    .why-item p {
        font-size: 0.9rem;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.why-item,
.pricing-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}