body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #111;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
}

.site-header {
    background: #111827;
    color: #fff;
}

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

nav a {
    color: #fff;
    margin-left: 15px;
    text-decoration: none;
}

.hero {
    background: linear-gradient(135deg,#2563eb,#1e40af);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.btn, .btn-large {
    background: #16a34a;
    color: #fff;
    padding: 12px 20px;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
    gap: 15px;
}

.card, .price-card {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.order-form input, .order-form select {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
}