* {
    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;
}

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

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.install-form {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.shop-input {
    flex: 1;
    min-width: 250px;
    padding: 15px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: #fff;
    color: #667eea;
}

.btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

section {
    padding: 80px 20px;
}

h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #333;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border: 3px solid #667eea;
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #667eea;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.price {
    font-size: 48px;
    font-weight: 700;
    color: #667eea;
    margin: 20px 0;
}

.price span {
    font-size: 18px;
    color: #666;
}

.features-list {
    list-style: none;
    text-align: left;
    margin-top: 30px;
}

.features-list li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.advantage-item strong {
    display: block;
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.cta {
    background: #f8f9fa;
    text-align: center;
}

footer {
    background: #333;
    color: white;
    padding: 30px 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .subtitle {
        font-size: 18px;
    }
    
    .install-form {
        flex-direction: column;
    }
    
    .shop-input {
        width: 100%;
    }
}