/* Base Styles */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --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);
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1.5rem;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.5rem;
}

.underline {
    height: 4px;
    width: 70px;
    background-color: var(--primary-color);
    margin: 0 auto;
}

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

/* Header Styles */
header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.75rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

.tagline {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(37, 99, 235, 0.9), rgba(29, 78, 216, 0.85)), url('https://images.unsplash.com/photo-1576091160399-112ba8d25d1d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding-top: 4rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Executive Summary Section */
.key-benefits {
    margin: 3rem 0;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-card {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-card h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

/* Market Opportunity Section */
.market-factors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.market-factor {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.market-factor:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.market-factor h3 {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.market-factor h3 i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.market-factor p {
    margin-bottom: 0;
}

.market-size {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.market-size h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.chart-container {
    height: 300px;
    position: relative;
}

/* Innovations Section */
.tabs {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tab-header {
    display: flex;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    flex: 1;
    text-align: center;
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    background-color: rgba(37, 99, 235, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: var(--bg-white);
}

.tab-content {
    padding: 2rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.innovation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.innovation-image img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.innovation-details h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.innovation-details ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.innovation-details ul li {
    margin-bottom: 1rem;
}

.innovation-details ul li:last-child {
    margin-bottom: 0;
}

/* Partnership Model Section */
.partnership-model {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.partnership-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.partnership-metrics {
    margin-top: 2rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.metric-card {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.metric-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.metric-card h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

/* Financial Projections Section */
.financial-overview {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.financial-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.chart-box {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.chart-box h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.financial-metrics {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.metrics-table {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.metrics-table h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 0.75rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

table th {
    background-color: var(--bg-light);
    font-weight: 600;
}

table tr:last-child td {
    border-bottom: none;
}

.investment-requirements {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.investment-requirements h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.investment-requirements ul {
    list-style: none;
}

.investment-requirements ul li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.investment-requirements ul li:last-child {
    border-bottom: none;
}

/* Case Study Section */
.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.case-study-timeline {
    position: relative;
}

.case-study-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 2rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 1;
}

.timeline-content {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.timeline-content ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.timeline-content ul li {
    margin-bottom: 0.5rem;
}

.timeline-content ul li:last-child {
    margin-bottom: 0;
}

.case-study-results h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.result-card {
    background-color: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.result-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.result-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.before {
    color: var(--text-light);
    font-weight: 600;
}

.arrow {
    margin: 0 0.75rem;
    color: var(--primary-color);
}

.after {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.25rem;
}

.result-card h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.roi-highlight {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.roi-calculation {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.5rem;
}

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

.roi-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
}

.roi-divider, .roi-equals {
    margin: 0 1.5rem;
    font-size: 2rem;
    color: var(--text-light);
}

.roi-result .roi-value {
    color: var(--secondary-color);
    font-size: 2rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(rgba(37, 99, 235, 0.9), rgba(29, 78, 216, 0.85)), url('https://images.unsplash.com/photo-1504868584819-f8e8b4b6d7e3?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2076&q=80') no-repeat center center/cover;
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    margin-bottom: 1.5rem;
}

.cta p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

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

.cta .btn:hover {
    background-color: var(--bg-light);
    color: var(--primary-dark);
}

/* Footer Styles */
footer {
    background-color: #1e293b;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo h2 {
    color: white;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: #94a3b8;
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: #94a3b8;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
}

.footer-bottom p {
    margin-bottom: 0;
    color: #94a3b8;
}

.social-links a {
    color: #94a3b8;
    font-size: 1.25rem;
    margin-left: 1rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: white;
}

/* Responsive Styles */
@media screen and (max-width: 1024px) {
    .partnership-model,
    .case-study {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .financial-charts {
        grid-template-columns: 1fr;
    }
    
    .financial-metrics {
        grid-template-columns: 1fr;
    }
    
    .innovation-content {
        grid-template-columns: 1fr;
    }
    
    .innovation-image {
        margin-bottom: 2rem;
    }
}

@media screen and (max-width: 768px) {
    header {
        padding: 1rem 0;
    }
    
    nav ul {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 3rem;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .footer-column {
        flex: 1 0 40%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .social-links {
        margin-top: 1rem;
    }
    
    .social-links a:first-child {
        margin-left: 0;
    }
}

@media screen and (max-width: 576px) {
    .tab-header {
        flex-direction: column;
    }
    
    .tab-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
    }
    
    .tab-btn.active {
        border-bottom-color: transparent;
        border-left-color: var(--primary-color);
    }
    
    .roi-calculation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .roi-divider, .roi-equals {
        margin: 0.5rem 0;
    }
}