body {
    font-family: Arial, sans-serif;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 40px;
}

.site-header {
    background: #111;
    color: #fff;
}

.hero {
    background: #f5f5f5;
    padding: 80px 0;
}

.calculator input,
.calculator select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
}

.calculator button {
    padding: 12px 30px;
    background: #000;
    color: #fff;
    border: none;
}

.price {
    font-size: 24px;
    margin-top: 20px;
}

.pdf-btn {
    display: inline-block;
    margin-top: 20px;
}