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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.logo h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
}

.hero {
    padding: 4rem 0;
    text-align: center;
    background: white;
    margin: 2rem 0;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #4a5568;
}

.hero p {
    font-size: 1.2rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
}

.products {
    padding: 2rem 0 4rem;
}

.products h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #4a5568;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

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

.product-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: opacity 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    opacity: 0.9;
}

.how-it-works {
    background: white;
    padding: 3rem 0;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.how-it-works h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #4a5568;
}

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

.step {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: #718096;
}

footer {
    background: #2d3748;
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 1.75rem;
    }
    .logo h1 {
        font-size: 2rem;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 0 1rem;
    }
}