body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #fff;
    color: #333;
}
header {
    background: #442F2D;
    padding: 10px 20px;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .logo img {
    height: 50px;
}
nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
}
.slider {
    height: 200px;
    background: #443836;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.planes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px;
}
.plan {
    border: 1px solid #ccc;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    background: #E94D3A;
    color: #fff;
}
.contacto {
    padding: 20px;
    background: #f4f4f4;
}
footer {
    background: #442F2D;
    color: #fff;
    text-align: center;
    padding: 10px;
}