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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    color: #2563eb;
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #2563eb;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.8;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #fff;
    color: #2563eb;
}

.btn-primary:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #2563eb;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #fff;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

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

.feature-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.feature-card h3 {
    color: #2563eb;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}/
* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: #f8fafc;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.step p {
    color: #64748b;
    line-height: 1.6;
}

/* Autonomy Modes */
.autonomy-modes {
    padding: 80px 0;
    background: #fff;
}

.autonomy-modes h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.mode-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
}

.mode-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.mode-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: #f8fafc;
}

.benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

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

.benefit {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.benefit h3 {
    color: #2563eb;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.benefit p {
    color: #64748b;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #1e293b;
    color: white;
    text-align: center;
}

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

.contact p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact .btn-primary {
    background: #2563eb;
    color: white;
}

.contact .btn-primary:hover {
    background: #1d4ed8;
}

.contact .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.contact .btn-secondary:hover {
    background: white;
    color: #1e293b;
}

/* Footer */
footer {
    background: #0f172a;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .features-grid,
    .modes-grid,
    .benefits-list {
        grid-template-columns: 1fr;
    }
    
    .workflow-steps {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons,
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
}