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

:root {
    /* Color Palette - Black & White Theme */
    --color-primary: #000000;
    --color-secondary: #1a1a1a;
    --color-accent: #333333;
    --color-text: #000000;
    --color-text-light: #666666;
    --color-background: #ffffff;
    --color-background-alt: #f8f8f8;
    --color-border: #e0e0e0;
    --color-hover: #f0f0f0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-secondary);
}

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

a:hover {
    opacity: 0.7;
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    border-bottom: 2px solid var(--color-primary);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.hero-badge i {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.5;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.meta-item i {
    width: 18px;
    height: 18px;
}

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

.section.alt-bg {
    background-color: var(--color-background-alt);
}

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

.section-header i {
    width: 32px;
    height: 32px;
}

.section-header h2 {
    margin-bottom: 0;
}

/* Executive Summary */
.executive-summary {
    border-bottom: 1px solid var(--color-border);
}

.summary-content {
    max-width: 900px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.stat-icon i {
    width: 24px;
    height: 24px;
    color: var(--color-background);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.stat-growth {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Content Block */
.content-block {
    margin-bottom: var(--spacing-xl);
}

.content-block h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

/* Prediction Section */
.prediction-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-primary);
}

.prediction-number {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--color-primary);
    line-height: 1;
    min-width: 100px;
}

.prediction-title-block h2 {
    margin-bottom: var(--spacing-xs);
}

.prediction-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* Highlight Box */
.highlight-box {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: var(--border-radius);
    margin: var(--spacing-xl) 0;
}

.highlight-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background);
    border-radius: 50%;
}

.highlight-icon i {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.highlight-content h4 {
    color: var(--color-background);
    margin-bottom: var(--spacing-sm);
}

.highlight-content p {
    color: var(--color-background);
    opacity: 0.9;
    margin-bottom: 0;
}

/* Two Column Layout */
.two-column-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.column h4 {
    margin-bottom: var(--spacing-md);
}

/* Feature List */
.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.feature-list i {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

/* Stat Highlight */
.stat-highlight {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

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

.stat-highlight-value {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-highlight-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Use Case Grid */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.use-case-card {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.use-case-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
}

.use-case-icon i {
    width: 24px;
    height: 24px;
    color: var(--color-background);
}

.use-case-card h4 {
    margin-bottom: var(--spacing-sm);
}

.use-case-card p {
    margin-bottom: 0;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* Vertical Grid */
.vertical-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.vertical-card {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
}

.vertical-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.vertical-header i {
    width: 32px;
    height: 32px;
}

.vertical-header h4 {
    margin-bottom: 0;
}

.vertical-card p {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.vertical-card p:last-child {
    margin-bottom: 0;
}

/* Governance Grid */
.governance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.governance-card {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.governance-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
}

.governance-icon i {
    width: 24px;
    height: 24px;
    color: var(--color-background);
}

.governance-card h4 {
    margin-bottom: var(--spacing-md);
}

.governance-card ul {
    list-style: none;
}

.governance-card li {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.governance-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    align-items: flex-start;
}

.benefit-item i {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin-top: 2px;
}

.benefit-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    margin-bottom: 0;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* Recommendations */
.recommendations-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.recommendation-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-background);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.recommendation-card:hover {
    transform: translateX(8px);
}

.recommendation-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-background);
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-display);
    border-radius: 50%;
}

.recommendation-content h4 {
    margin-bottom: var(--spacing-sm);
}

.recommendation-content p {
    margin-bottom: 0;
    color: var(--color-text-light);
}

/* CTA Box */
.cta-box {
    padding: var(--spacing-2xl);
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: var(--border-radius);
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.cta-content h3 {
    color: var(--color-background);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: var(--color-background);
    opacity: 0.9;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn i {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background-color: var(--color-background);
    color: var(--color-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-background);
    border-color: var(--color-background);
}

.btn-secondary:hover {
    background-color: var(--color-background);
    color: var(--color-primary);
}

/* Author Section */
.author-section {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-primary);
}

.author-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    border: 2px solid var(--color-primary);
}

.author-info h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.author-info h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.author-title {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Enhanced Icon Visibility */
[data-lucide] {
    stroke-width: 2;
    stroke: currentColor;
}

.stat-icon i,
.use-case-icon i,
.governance-icon i,
.highlight-icon i {
    stroke-width: 2.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .governance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .prediction-header {
        flex-direction: column;
    }
    
    .prediction-number {
        font-size: 3rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    
    .vertical-grid {
        grid-template-columns: 1fr;
    }
    
    .governance-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-highlight {
        grid-template-columns: 1fr;
    }
    
    .two-column-layout {
        grid-template-columns: 1fr;
    }
    
    .author-card {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    @page {
        margin: 0.5in;
        @top-center {
            content: "Helium AI Predicts 2026: The AI Shifts That Will Reshape Businesses in India";
        }
        @bottom-center {
            content: "Created by Helium AI";
        }
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .hero,
    .section {
        page-break-inside: avoid;
    }
    
    .prediction-section {
        page-break-before: always;
    }
    
    .stat-card,
    .use-case-card,
    .vertical-card,
    .recommendation-card {
        page-break-inside: avoid;
    }
    
    a {
        color: var(--color-primary);
        text-decoration: underline;
    }
    
    .btn {
        display: none;
    }
    
    .author-section {
        page-break-inside: avoid;
    }
}