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

html, body {
    overflow-x: hidden;
    max-width: 100%;
}

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-6xl); }
h2 { font-size: var(--font-size-5xl); }
h3 { font-size: var(--font-size-4xl); }
h4 { font-size: var(--font-size-3xl); }
h5 { font-size: var(--font-size-2xl); }
h6 { font-size: var(--font-size-xl); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

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

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

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

.cta-button {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

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

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-content {
    color: var(--white);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-dashboard {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    width: 400px;
    height: 350px;
    position: relative;
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.dashboard-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.dashboard-dots span:nth-child(1) { background: var(--error-color); }
.dashboard-dots span:nth-child(2) { background: var(--warning-color); }
.dashboard-dots span:nth-child(3) { background: var(--success-color); }

.data-stream {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    min-height: 40px;
}

.data-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: dataFlow 1.5s infinite;
}

.data-dot:nth-child(1) { animation-delay: 0s; }
.data-dot:nth-child(2) { animation-delay: 0.3s; }
.data-dot:nth-child(3) { animation-delay: 0.6s; }
.data-dot:nth-child(4) { animation-delay: 0.9s; }
.data-dot:nth-child(5) { animation-delay: 1.2s; }

.ai-insights {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: auto;
}

.insight-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    min-width: 80px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.insight-card:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.insight-icon {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.insight-text {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--gray-700);
    text-align: center;
    line-height: 1.2;
}

@keyframes dataFlow {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: scale(1.5);
        opacity: 1;
    }
}

.hero-stats {
    position: absolute;
    bottom: var(--spacing-3xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-3xl);
    z-index: 2;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Platform Section */
.platform {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    max-width: 600px;
    margin: 0 auto;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.platform-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.platform-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
}

.features-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.feature-item.reverse {
    direction: rtl;
}

.feature-item.reverse > * {
    direction: ltr;
}

.feature-content h3 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-3xl);
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-600);
}

.feature-list i {
    color: var(--success-color);
    font-size: var(--font-size-sm);
}

/* Feature Visuals */
.feature-visual {
    order: 1;
    margin-top: var(--spacing-lg);
}

.mapping-demo {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.mapping-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.raw-column {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.sdtm-variable {
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.confidence {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.confidence.high {
    background: var(--success-color);
    color: var(--white);
}

.confidence.medium {
    background: var(--warning-color);
    color: var(--white);
}

.pipeline-demo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.pipeline-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.stage-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
}

.pipeline-arrow {
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
    position: relative;
}

.pipeline-arrow::after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid var(--primary-color);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.analytics-demo {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.chart-row {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.mini-chart {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    animation: chartAnimation 1.5s ease-out;
}

.metrics-row {
    display: flex;
    gap: var(--spacing-md);
}

.metric-card {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.metric-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* Domain Mapping Visual */
.domain-mapping-visual {
    position: relative;
    width: 100%;
    max-width: 300px;
    height: 200px;
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.domain-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.domain-item:hover {
    transform: scale(1.05);
}

.domain-item span {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.domain-item small {
    font-size: 0.6rem;
    opacity: 0.9;
}

.connection-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.line {
    position: absolute;
    background: linear-gradient(90deg, #667eea, #764ba2);
    height: 2px;
    border-radius: 1px;
    animation: pulse 2s infinite;
}

.line:nth-child(1) {
    top: 20%;
    left: 0;
    width: 100%;
    animation-delay: 0s;
}

.line:nth-child(2) {
    top: 50%;
    left: 0;
    width: 100%;
    animation-delay: 0.5s;
}

.line:nth-child(3) {
    top: 80%;
    left: 0;
    width: 100%;
    animation-delay: 1s;
}

.unified-center {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.unified-center i {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.unified-center span {
    font-size: 0.8rem;
    font-weight: 600;
}

/* Visit Completeness Visual */
.visit-completeness-visual {
    width: 100%;
    max-width: 280px;
}

.visit-timeline {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.visit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.visit-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.visit-item.completed .visit-dot {
    background: #43e97b;
    box-shadow: 0 0 8px rgba(67, 233, 123, 0.5);
}

.visit-item.in-progress .visit-dot {
    background: #fa709a;
    box-shadow: 0 0 8px rgba(250, 112, 154, 0.5);
    animation: pulse 2s infinite;
}

.visit-item.pending .visit-dot {
    background: #ddd;
    border: 2px solid #ccc;
}

.visit-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    min-width: 60px;
}

.completion-bar {
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
    flex: 1;
    position: relative;
}

.completion-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, #43e97b, #38f9d7);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.visit-item.completed .completion-bar::after {
    width: 100%;
}

.visit-item.in-progress .completion-bar::after {
    width: 75%;
    background: linear-gradient(90deg, #fa709a, #fee140);
}

.visit-item.pending .completion-bar::after {
    width: 0%;
}

.completeness-stats {
    display: flex;
    justify-content: space-around;
    gap: 20px;
}

.stat {
    text-align: center;
}

.stat .number {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
}

.stat .label {
    font-size: 0.8rem;
    color: #666;
}

/* Waterfall Plot Visual */
.waterfall-plot-visual {
    width: 100%;
    max-width: 280px;
}

.waterfall-container {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 120px;
    margin-bottom: 35px;
    margin-top: 20px;
    position: relative;
}

.waterfall-bar {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    height: 100%;
}

.waterfall-bar span {
    font-size: 0.7rem;
    color: #666;
    text-align: center;
    position: absolute;
    bottom: -20px;
    width: 100%;
}

.waterfall-bar.positive span {
    bottom: -20px;
}

.waterfall-bar.negative span {
    top: -20px;
}

.bar-fill {
    width: 100%;
    border-radius: 4px 4px 0 0;
    transition: height 0.3s ease;
    position: absolute;
    bottom: 0;
}

.waterfall-bar.positive .bar-fill {
    background: linear-gradient(to top, #43e97b, #38f9d7);
    box-shadow: 0 2px 8px rgba(67, 233, 123, 0.3);
}

.waterfall-bar.negative .bar-fill {
    background: linear-gradient(to top, #fa709a, #fee140);
    box-shadow: 0 2px 8px rgba(250, 112, 154, 0.3);
}

.waterfall-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-color.positive {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.legend-color.negative {
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.legend-item span {
    font-size: 0.8rem;
    color: #666;
}

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

/* Solutions Section */
.solutions {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.solution-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.solution-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

.solution-card ul {
    list-style: none;
    margin-top: var(--spacing-lg);
    text-align: left;
}

.solution-card li {
    padding: var(--spacing-sm) 0;
    color: var(--gray-600);
    position: relative;
    padding-left: var(--spacing-lg);
}

.solution-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--spacing-lg);
}

.about-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

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

.about-stat .stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.about-stat .stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.team-member {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.team-member h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.team-member p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
}

.contact-details h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.contact-details p {
    margin: 0;
    color: var(--gray-600);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.hidden {
    display: none;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo {
    width: 40px;
    height: 40px;
}

.footer-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--white);
}

.footer-section h4 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    color: var(--gray-400);
    font-size: var(--font-size-xl);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-700);
}

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        margin-top: var(--spacing-2xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .feature-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .feature-item .feature-content {
        order: 1;
    }
    
    .feature-item .feature-visual {
        order: 2;
        margin-top: var(--spacing-lg);
    }
    
    .feature-item.reverse .feature-content {
        order: 1;
    }
    
    .feature-item.reverse .feature-visual {
        order: 2;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
        max-width: 100vw;
        width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    html {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-2xl) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .platform-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .domain-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .domain-item {
        padding: 6px;
        font-size: 0.8rem;
    }
    
    .domain-item span {
        font-size: 1rem;
    }
    
    .domain-item small {
        font-size: 0.5rem;
    }
    
    .visit-timeline {
        gap: 8px;
    }
    
    .visit-item span {
        font-size: 0.8rem;
        min-width: 50px;
    }
    
    .waterfall-container {
        gap: 4px;
        height: 100px;
    }
    
    .waterfall-bar span {
        font-size: 0.6rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .feature-item {
        padding: 0;
        margin: 0;
        width: 100%;
        max-width: 100vw;
    }
    
    .feature-visual {
        max-width: 100%;
        overflow: hidden;
    }
    
    .domain-mapping-visual,
    .visit-completeness-visual,
    .waterfall-plot-visual {
        max-width: 100%;
        overflow: hidden;
    }
    
    .domain-grid {
        max-width: 100%;
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }
    
    .visit-timeline {
        max-width: 100%;
        gap: 4px;
    }
    
    .waterfall-container {
        max-width: 100%;
        gap: 2px;
    }
    
    .platform-card,
    .solution-card {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .hero-container {
        max-width: 100vw;
        width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .section-header {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .features-showcase {
        max-width: 100%;
        width: 100%;
    }
    
    .solutions-grid {
        max-width: 100%;
        width: 100%;
    }
    
    .about-content {
        max-width: 100%;
        width: 100%;
    }
    
    .contact-content {
        max-width: 100%;
        width: 100%;
    }
    
    .footer-content {
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
        max-width: 100vw;
        width: 100%;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .section-subtitle {
        font-size: var(--font-size-lg);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .platform-card,
    .solution-card {
        padding: var(--spacing-lg);
        max-width: 100%;
        width: 100%;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
        max-width: 100%;
        width: 100%;
    }
    
    .domain-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2px;
    }
    
    .domain-item {
        padding: 4px;
        font-size: 0.7rem;
    }
    
    .visit-timeline {
        gap: 2px;
    }
    
    .waterfall-container {
        gap: 1px;
        height: 80px;
    }
    
    .waterfall-bar span {
        font-size: 0.5rem;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

.data-flow-pipeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    min-height: 120px;
    padding: 0 var(--spacing-sm);
    position: relative;
}

.pipeline-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.stage-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-600);
    text-align: center;
}

.data-cubes {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
}

.data-cube {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    animation: cubeFloat 3s infinite;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transform-style: preserve-3d;
}

.data-cube.red { 
    background: #ef4444; 
    animation-delay: 0s;
}
.data-cube.blue { 
    background: #3b82f6; 
    animation-delay: 0.5s;
}
.data-cube.green { 
    background: #10b981; 
    animation-delay: 1s;
}
.data-cube.orange { 
    background: #f59e0b; 
    animation-delay: 1.5s;
}

.processing-sphere {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sphere-core {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: spherePulse 2s infinite;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.sphere-ring {
    position: absolute;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: ringRotate 3s infinite linear;
}

.ring-1 {
    width: 30px;
    height: 30px;
    animation-delay: 0s;
}

.ring-2 {
    width: 40px;
    height: 40px;
    animation-delay: 1s;
}

.ring-3 {
    width: 50px;
    height: 50px;
    animation-delay: 2s;
}

.data-spheres {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.data-sphere {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: sphereFloat 2.5s infinite;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.data-sphere.purple { 
    background: #8b5cf6; 
    animation-delay: 0s;
}
.data-sphere.cyan { 
    background: #06b6d4; 
    animation-delay: 0.5s;
}
.data-sphere.yellow { 
    background: #eab308; 
    animation-delay: 1s;
}
.data-sphere.pink { 
    background: #ec4899; 
    animation-delay: 1.5s;
}

.pipeline-arrow {
    display: flex;
    align-items: center;
    margin: 0 var(--spacing-sm);
    position: relative;
}

.arrow-line {
    width: 30px;
    height: 2px;
    background: var(--gray-300);
    position: relative;
}

.arrow-head {
    width: 0;
    height: 0;
    border-left: 6px solid var(--gray-300);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    margin-left: -2px;
}

@keyframes cubeFloat {
    0%, 100% { 
        transform: translateY(0) rotateX(0deg) rotateY(0deg);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }
    25% { 
        transform: translateY(-8px) rotateX(15deg) rotateY(15deg);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
    50% { 
        transform: translateY(-4px) rotateX(30deg) rotateY(30deg);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    }
    75% { 
        transform: translateY(-8px) rotateX(15deg) rotateY(15deg);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
}

@keyframes spherePulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
    }
    50% { 
        transform: scale(1.2);
        box-shadow: 0 0 30px rgba(37, 99, 235, 0.8);
    }
}

@keyframes ringRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes sphereFloat {
    0%, 100% { 
        transform: translateY(0) scale(1);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    }
    25% { 
        transform: translateY(-6px) scale(1.1);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
    }
    50% { 
        transform: translateY(-3px) scale(1.05);
        box-shadow: 0 3px 8px rgba(0, 0, 0, 0.35);
    }
    75% { 
        transform: translateY(-6px) scale(1.1);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
    }
}