body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* Шапка */
header {
    background: #1e88e5;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

header h1 {
    margin: 0 0 10px;
}

/* Основные секции */
section {
    padding: 40px 20px;
    max-width: 1100px;
    margin: auto;
}

h2 {
    text-align: center;
    margin-bottom: 30px;
}

/* Карточки */
.services,
.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.card h3 {
    margin-top: 0;
    color: #1e88e5;
}

/* Форма */
.cta {
    max-width: 500px;
    margin: auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

form input,
form textarea,
form button {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 16px;
}

form button {
    background: #1e88e5;
    color: #fff;
    border: none;
    cursor: pointer;
}

form button:hover {
    background: #1565c0;
}

/* Подвал */
footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 20px;
}