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

:root {
    --primary: #000000;
    --secondary: #ffffff;
    --accent: #0066ff;
    --gray-100: #f8f8f8;
    --gray-200: #e8e8e8;
    --gray-300: #d4d4d4;
    --gray-400: #a0a0a0;
    --gray-500: #666666;
    --gray-600: #333333;
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;
    --max-width: 1200px;
    --radius: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--primary);
    background: var(--secondary);
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    color: var(--gray-500);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

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

.nav-cta {
    background: var(--primary);
    color: var(--secondary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
}

.nav-cta:hover {
    background: var(--gray-600);
    color: var(--secondary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

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

/* Hero Section */
.hero {
    position: relative;
    padding: calc(var(--space-2xl) + 80px) 0 var(--space-2xl);
    text-align: center;
    background: url('https://images.unsplash.com/photo-1560179707-f14e90ef3623?w=1600&q=80') center/cover;
    overflow: hidden;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,248,248,0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--secondary);
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    margin-bottom: var(--space-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

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

.hero-stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.hero-stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--gray-600);
    transform: translateY(-2px);
}

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

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

/* Section Styles */
section {
    padding: var(--space-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    text-align: center;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Problem Section */
.problem {
    background: var(--gray-100);
    position: relative;
}

.problem-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.02;
    z-index: 0;
}

.problem .container {
    position: relative;
    z-index: 1;
}

.industry-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.stat-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.metric-card {
    background: var(--secondary);
    padding: var(--space-lg);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.metric-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
}

.metric-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    margin: var(--space-sm) 0;
}

.metric-card h3 {
    margin-bottom: var(--space-sm);
}

.metric-card p {
    font-size: 1rem;
}

.metric-detail {
    margin-top: var(--space-xs);
    padding-top: var(--space-xs);
    border-top: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
}

.data-sources {
    margin-top: var(--space-xl);
    padding: var(--space-md);
    background: var(--secondary);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
}

.sources-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--gray-600);
}

.source-item {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xs);
    line-height: 1.4;
}

.source-item sup {
    color: var(--accent);
    font-weight: 600;
}

/* Platform Section */
.platform-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.module {
    background: var(--gray-100);
    border-radius: var(--radius);
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}

.module:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.module-image {
    height: 160px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.module-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
}

.module-number {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
    background: rgba(0,0,0,0.5);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.module h3 {
    margin-bottom: var(--space-sm);
    padding: 0 var(--space-lg);
    padding-top: var(--space-md);
}

.module p {
    margin-bottom: var(--space-md);
    font-size: 1rem;
    padding: 0 var(--space-lg);
}

.module-features {
    list-style: none;
    padding: 0 var(--space-lg) var(--space-lg);
}

.module-features li {
    padding: var(--space-xs) 0;
    color: var(--gray-500);
    font-size: 0.95rem;
    padding-left: var(--space-md);
    position: relative;
}

.module-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Results Section */
.results {
    background: var(--primary);
    color: var(--secondary);
}

.results .section-title,
.results .section-subtitle {
    color: var(--secondary);
}

.results .section-subtitle {
    opacity: 0.8;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.result-card {
    text-align: center;
}

.result-value {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.result-card h3 {
    color: var(--secondary);
    margin-bottom: var(--space-xs);
}

.result-card p {
    color: var(--gray-400);
}

.result-detail {
    margin-top: var(--space-xs);
    padding-top: var(--space-xs);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
    color: var(--gray-400);
    font-style: italic;
}

.impact-calculator {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.impact-calculator h3 {
    color: var(--secondary);
    margin-bottom: var(--space-md);
}

.impact-calculator p {
    color: var(--gray-300);
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.impact-calculator strong {
    color: var(--accent);
    font-size: 1.25rem;
}

.calculator-note {
    font-size: 0.875rem !important;
    color: var(--gray-400) !important;
    font-style: italic;
}

/* CLAI Section */
.clai {
    background: var(--gray-100);
}

.clai-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.8;
}

.feature h3 {
    margin-bottom: var(--space-xs);
}

.feature p {
    font-size: 1rem;
}


.automation-scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.scenario {
    background: var(--secondary);
    padding: var(--space-md);
    border-radius: var(--radius);
}

.scenario h4 {
    margin-bottom: var(--space-sm);
}

.scenario-stats {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-500);
    font-size: 0.95rem;
}

.divider {
    color: var(--gray-300);
}

/* Process Section */
.process {
    position: relative;
}

.process-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.process .container {
    position: relative;
    z-index: 1;
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: var(--space-md);
}

.step {
    background: var(--gray-100);
    padding: var(--space-lg);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--space-sm);
}

.step h3 {
    margin-bottom: var(--space-sm);
}

.step p {
    font-size: 1rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--gray-400);
}

/* Partnership Section */
.partnership {
    background: var(--gray-100);
    position: relative;
}

.partnership-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.03;
    z-index: 0;
}

.partnership .container {
    position: relative;
    z-index: 1;
}

.partnership-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.option-card {
    background: var(--secondary);
    padding: var(--space-lg);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.option-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.option-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.15;
}

.option-card h3 {
    margin-bottom: var(--space-sm);
}

.option-card p {
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(180deg, var(--secondary) 0%, var(--gray-100) 100%);
    position: relative;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.02;
    z-index: 0;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-forms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-lg);
}

.form-card {
    background: var(--secondary);
    padding: var(--space-lg);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-card h3 {
    margin-bottom: var(--space-md);
    text-align: center;
}

.demo-form,
.pilot-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

input,
select,
textarea {
    padding: var(--space-sm);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* Research Section */
.research-section {
    background: var(--secondary);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--gray-200);
}

.research-section h3 {
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--gray-600);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.research-item {
    background: var(--gray-100);
    padding: var(--space-md);
    border-radius: var(--radius);
    transition: var(--transition);
}

.research-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.research-item h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    color: var(--gray-600);
}

.research-item p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.research-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}

.research-link:hover {
    text-decoration: underline;
}

.research-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
    padding: var(--space-md);
    background: var(--gray-100);
    border-radius: var(--radius);
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--secondary);
    padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-brand h3 {
    margin-bottom: var(--space-sm);
    color: var(--secondary);
}

.footer-brand p {
    color: var(--gray-400);
}

.footer-tagline {
    margin-top: var(--space-xs);
    font-size: 0.875rem;
    color: var(--gray-400);
    font-style: italic;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.footer-column h4 {
    margin-bottom: var(--space-sm);
    color: var(--secondary);
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    padding: var(--space-xs) 0;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--secondary);
}

.footer-bottom {
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-600);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        gap: var(--space-md);
        flex-wrap: wrap;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-stat-value {
        font-size: 1.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: var(--space-sm) 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-forms {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-stats {
        gap: var(--space-sm);
        max-width: 300px;
    }
    
    .hero-stat {
        flex: 1;
        min-width: 80px;
    }
    
    .hero-stat-value {
        font-size: 1.25rem;
    }
    
    .hero-stat-label {
        font-size: 0.75rem;
        line-height: 1.2;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    section {
        padding: var(--space-xl) 0;
    }
    
    .metrics-grid,
    .platform-modules,
    .results-grid,
    .clai-features,
    .automation-scenarios,
    .partnership-options {
        grid-template-columns: 1fr;
    }
}