body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6;
    color: #333;
}

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

/* Hero Section */
.hero {
    background-color: #2c3e50;
    color: white;
    padding: 60px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.hero .subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
}

.hero .description {
    font-size: 1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 20px auto;
}

.actions {
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin: 0 10px;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: white;
    color: #2c3e50;
}

.btn-secondary:hover {
    background-color: #f0f0f0;
}

/* Features Section */
.features {
    padding: 60px 20px;
}

.features h2, .demo h2, .pricing h2 {
    text-align: center;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

.feature-card h3 {
    margin-bottom: 10px;
}

/* Demo Section */
.demo {
    padding: 60px 20px;
    background-color: #e9ecef;
}

.code-block {
    background-color: #2c3e50;
    color: #c0c0c0;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing {
    padding: 60px 20px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.pricing-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

.pricing-card.featured {
    background-color: #2c3e50;
    color: white;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 20px 0;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: normal;
    opacity: 0.7;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.pricing-card ul li {
    margin-bottom: 10px;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
}