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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 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(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-family: 'Rostex', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background 0.2s !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    transition: transform 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding-top: 72px;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--bg-dark);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: white;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

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



/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--bg-dark);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

/* Problem Section */
.problem {
    background: var(--bg-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.problem-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--bg-dark);
}

.problem-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.stat-highlight {
    display: flex;
    align-items: center;
    gap: 32px;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 32px;
}

.stat-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-text p {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.stat-source {
    font-size: 14px !important;
    color: var(--text-light) !important;
}

.problem-conclusion {
    font-size: 18px;
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
}

/* Solution Section */
.solution {
    background: white;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.solution-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.solution-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.solution-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--bg-dark);
}

.solution-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Product Section */
.product {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: white;
}

.product .section-header h2 {
    color: white;
}

.product .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 28px;
    font-weight: 600;
}

.product-tagline {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.how-it-works {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 12px;
}

.how-it-works h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 32px;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: white;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    margin: 0 auto 16px;
}

.step p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

/* Process Section */
.process {
    background: var(--bg-light);
}

.process-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.process-step {
    text-align: center;
    padding: 32px;
}

.process-step .step-number {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    color: white;
    font-size: 24px;
    margin-bottom: 20px;
}

.process-step h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--bg-dark);
}

.process-step p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Market Section */
.market {
    background: white;
}

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

.market-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 48px;
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.market-stat {
    text-align: center;
    padding: 32px;
    background: var(--bg-light);
    border-radius: 12px;
}

.market-stat .stat-number {
    font-size: 48px;
    margin-bottom: 12px;
}

.market-stat p {
    color: var(--text-light);
    font-size: 15px;
}

.market-edge {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    padding: 32px;
    border-radius: 12px;
    border-left: 4px solid var(--success-color);
}

.market-edge p {
    font-size: 16px;
    line-height: 1.7;
}

/* Pricing Section */
.pricing {
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.pricing-card.popular {
    border: 2px solid var(--primary-color);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--bg-dark);
}

.price {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.features {
    list-style: none;
}

.features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

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

.pricing-addons {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 8px;
    color: var(--text-light);
}

/* Team Section */
.team {
    background: white;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.why-card {
    padding: 32px;
    background: var(--bg-light);
    border-radius: 12px;
}

.why-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--bg-dark);
}

.why-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.team-members h3 {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--bg-dark);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 24px;
}

.team-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
}

.team-card h4 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--bg-dark);
}

.team-card .role {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 16px;
}

.team-card p:last-child {
    color: var(--text-light);
    line-height: 1.7;
}

.team-note {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
}

/* Story Section */
.story {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.story-intro {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 48px;
}

.timeline {
    position: relative;
    padding-left: 32px;
}

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

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.timeline-item h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--bg-dark);
}

.timeline-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Roadmap Section */
.roadmap {
    background: white;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.roadmap-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
    border-top: 4px solid var(--primary-color);
}

.roadmap-phase {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.roadmap-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--bg-dark);
}

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

.roadmap-card li {
    padding: 8px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 20px;
}

.roadmap-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: white;
    text-align: center;
}

.contact-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.contact-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.contact-info {
    margin-bottom: 32px;
}

.contact-info p {
    font-size: 18px;
    margin-bottom: 8px;
}

.contact-info a {
    color: white;
    text-decoration: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transition: border-color 0.2s;
}

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

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

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 48px 0;
    text-align: center;
}

.footer-logo {
    font-family: 'Rostex', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.copyright {
    font-size: 14px;
    margin-top: 24px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-badge {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .stat-highlight {
        flex-direction: column;
        text-align: center;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .contact-content h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .pricing-card {
        padding: 24px;
    }
    
    .price {
        font-size: 24px;
    }
}