body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    background-color: #f9f9f9;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    background: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: #0056b3;
}
nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
}
.hero {
    background: linear-gradient(rgba(0,86,179,0.6), rgba(0,86,179,0.6)), url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 100px 0;
}
.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}
.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}
.btn {
    background: #ffcc00;
    color: #333;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 18px;
}
.calculator-section {
    padding: 60px 0;
    background: #fff;
}
.calculator-section h2, .callback-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
}
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.control-group {
    margin-bottom: 20px;
}
.control-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
.control-group input, .control-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}
.price-box {
    background: #f0f7ff;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid #0056b3;
}
.price-box span {
    font-size: 18px;
}
.price-value {
    font-size: 42px;
    font-weight: bold;
    color: #0056b3;
    margin: 10px 0;
}
.disclaimer {
    font-size: 14px;
    color: #666;
}
.callback-section {
    padding: 60px 0;
    background: #f4f4f4;
}
.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
}
.input-group {
    margin-bottom: 15px;
}
.input-group input, .input-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}
.input-group textarea {
    height: 100px;
    resize: vertical;
}
.consent-group {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
}
.btn-submit {
    background: #0056b3;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    width: 100%;
    transition: background 0.3s;
}
.btn-submit:hover {
    background: #004494;
}
.bot-trap {
    display: none;
}
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}
@media (max-width: 768px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 32px;
    }
}