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

:root {
    --primary-color: #137fec;
    --primary-dark: #0e66c2;
    --secondary-color: #10b981;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f6f7f8;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

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

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

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, #137fec 0%, #0e66c2 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: white;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
}

.download-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.icon {
    width: 20px;
    height: 20px;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: white;
    border-radius: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    margin: 0 auto;
}

.screen-content {
    background: var(--bg-light);
    height: 100%;
    border-radius: 1.5rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.demo-header {
    font-weight: 600;
    margin-bottom: 1rem;
}

.demo-stat {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.demo-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 120px;
    margin-bottom: 1.5rem;
    gap: 8px;
}

.demo-bar {
    flex: 1;
    background: rgba(19, 127, 236, 0.3);
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    min-height: 10px;
}

.demo-bar-active {
    background: #137fec;
}

.demo-transaction {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.demo-icon {
    width: 40px;
    height: 40px;
    background: rgba(19, 127, 236, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 12px;
}

.demo-details {
    flex: 1;
}

.demo-category {
    font-weight: 600;
    color: #1e293b;
    font-size: 14px;
    margin-bottom: 2px;
}

.demo-location {
    font-size: 11px;
    color: #64748b;
}

.demo-amount {
    font-weight: bold;
    color: #1e293b;
    font-size: 14px;
}

.features {
    padding: 5rem 0;
    background: var(--bg-light);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
}

.privacy-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.privacy-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.privacy-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.privacy-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-list {
    list-style: none;
    margin-top: 1.5rem;
}

.privacy-list li {
    padding: 0.5rem 0;
    color: var(--text-dark);
}

.privacy-badge {
    background: linear-gradient(135deg, #137fec 0%, #0e66c2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
}

.badge-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.privacy-badge h4 {
    margin-bottom: 0.5rem;
}

.use-cases {
    padding: 5rem 0;
    background: var(--bg-light);
}

.use-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.use-case {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #137fec 0%, #0e66c2 100%);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta .download-buttons {
    justify-content: center;
}

.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .download-buttons {
        justify-content: center;
    }
    
    .privacy-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-links {
        display: none;
    }
}