:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #10b981;
    --text-primary: #100f14;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --background: #fafafa;
    --background-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--background-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.hero {
    padding: 80px 0;
    background: var(--background-white);
    text-align: center;
}

.hero-title {
    font-size: 72px;
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.companies {
    padding: 60px 0;
    background: var(--background);
    text-align: center;
}

.companies-title {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 500;
}

.companies-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.company-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0.7;
}

.features-preview {
    padding: 100px 0;
    background: var(--background-white);
}

.features-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--background);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.technology-section {
    padding: 100px 0;
    background: var(--background);
}

.tech-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section-text {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

.cta-section {
    padding: 100px 0;
    background: var(--text-primary);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.7;
}

.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.contact-info a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.contact-info a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .cta-title {
        font-size: 36px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .companies-grid {
        gap: 30px;
    }
    
    .tech-stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .feature-card {
        padding: 30px;
    }
    
    .container {
        padding: 0 16px;
    }
}

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

.btn-full {
    width: 100%;
}

.pricing-plans {
    padding: 80px 0;
    background: var(--background);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--background-white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-header-card {
    text-align: center;
    margin-bottom: 30px;
}

.plan-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.plan-price {
    margin-bottom: 16px;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-unit {
    font-size: 16px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.plan-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.plan-features {
    margin-bottom: 30px;
}

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

.features-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

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

.pricing-comparison {
    padding: 80px 0;
    background: var(--background-white);
}

.comparison-table, .table-header, .table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 1px;
}

.table-header {
    background: var(--text-primary);
    color: white;
    font-weight: 600;
}

.table-row {
    background: var(--background);
}

.table-cell, .comparison-cell {
    padding: 16px;
    display: flex;
    align-items: center;
}

.comparison-table {
    margin-top: 40px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: var(--text-primary);
    color: white;
    font-weight: 600;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
}

.comparison-row:last-child {
    border-bottom: none;
}

.pricing-faq {
    padding: 80px 0;
    background: var(--background);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.faq-item {
    background: var(--background-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
}

.pricing-cta {
    padding: 80px 0;
    background: var(--text-primary);
    text-align: center;
}

.contact-form-section {
    padding: 80px 0;
    background: var(--background);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info-section {
    padding: 40px;
}

.contact-info-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.contact-info-text {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-benefits {
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.benefit-icon {
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    font-size: 14px;
    font-weight: 600;
}

.benefit-text {
    color: var(--text-secondary);
}

.contact-details {
    background: var(--background-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.contact-details-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.contact-item {
    margin-bottom: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.contact-form-container {
    background: var(--background-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.contact-form {
    max-width: 100%;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: var(--background-white);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.thank-you-message {
    text-align: center;
    padding: 60px 40px;
}

.thank-you-content {
    max-width: 400px;
    margin: 0 auto;
}

.thank-you-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 600;
    margin: 0 auto 24px;
}

.thank-you-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.thank-you-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.legal-content {
    padding: 80px 0;
    background: var(--background-white);
}

.legal-document {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.legal-document h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 20px 0;
    color: var(--text-primary);
}

.legal-document h2:first-child {
    margin-top: 0;
}

.legal-document p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.legal-document ul {
    margin: 16px 0;
    padding-left: 24px;
}

.legal-document li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.product-overview {
    padding: 100px 0;
    background: var(--background-white);
}

.overview-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.tech-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.pillar-item {
    background: var(--background);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.pillar-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.pillar-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.pillar-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.how-it-works {
    padding: 100px 0;
    background: var(--background);
}

.process-steps {
    max-width: 800px;
    margin: 60px auto 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 60px;
    background: var(--background-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-right: 30px;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.competitive-advantages {
    padding: 100px 0;
    background: var(--background-white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.advantage-card {
    background: var(--background);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

.advantage-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.advantage-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.advantage-stat {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.technology-deep-dive {
    padding: 100px 0;
    background: var(--background);
}

.tech-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
    text-align: left;
}

.tech-feature {
    background: var(--background-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.tech-feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.tech-feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.product-cta {
    padding: 100px 0;
    background: var(--text-primary);
    text-align: center;
}

.feature-card-large {
    background: var(--background);
    padding: 50px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-card-large:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon-large {
    font-size: 64px;
    margin-bottom: 30px;
}

.feature-title-large {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.feature-description-large {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 30px;
    font-size: 18px;
}

.feature-benefits {
    list-style: none;
    padding: 0;
    text-align: left;
}

.feature-benefits li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 24px;
}

.feature-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

.core-features {
    padding: 100px 0;
    background: var(--background-white);
}

.advanced-features {
    padding: 100px 0;
    background: var(--background);
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.advanced-feature {
    background: var(--background-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.advanced-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.advanced-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.usage-advantages {
    padding: 100px 0;
    background: var(--background-white);
}

.advantages-content {
    max-width: 1000px;
    margin: 60px auto 0;
}

.advantage-section {
    margin-bottom: 60px;
}

.advantage-section:last-child {
    margin-bottom: 0;
}

.advantage-section-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-primary);
    text-align: center;
}

.advantage-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    background: var(--background);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-right: 20px;
    flex-shrink: 0;
}

.advantage-text h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.advantage-text p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-comparison {
    padding: 100px 0;
    background: var(--background);
}

.features-cta {
    padding: 100px 0;
    background: var(--text-primary);
    text-align: center;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card, .stat-item, .advantage-card, .step-item {
    
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.header.scrolled {
    box-shadow: var(--shadow);
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .comparison-table, .table-header, .table-row {
        grid-template-columns: 2fr 1fr 1fr;
        font-size: 14px;
    }
    
    .comparison-header, .comparison-row {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--background-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 20px 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-items {
        grid-template-columns: 1fr;
    }
    
    .comparison-table, .table-header, .table-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .comparison-header, .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .table-cell, .comparison-cell {
        border-bottom: 1px solid var(--border-color);
        justify-content: center;
        text-align: center;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 20px;
    }
}