* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #141e30, #243b55);

    display: flex;
    justify-content: center;
    align-items: center;

    padding: 30px;
}

.contenedor {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: center;

    width: 100%;
    max-width: 900px;
}

.calculadora {
    width: 330px;
    background-color: #1f1f1f;

    padding: 25px;

    border-radius: 20px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.calculadora h1 {
    color: white;
    text-align: center;
    margin-bottom: 20px;
}

#pantalla {
    width: 100%;
    height: 70px;

    margin-bottom: 20px;

    border: none;
    border-radius: 10px;

    background-color: #eeeeee;

    font-size: 30px;
    text-align: right;

    padding: 10px;
}

.botones {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 10px;
}

button {
    height: 60px;

    border: none;
    border-radius: 10px;

    font-size: 22px;

    cursor: pointer;

    background-color: #eeeeee;

    transition: 0.2s;
}

button:hover {
    transform: scale(1.05);
}

.numero {
    background-color: #ffffff;
}

.operador {
    background-color: #ff9500;
    color: white;
}

#borrar {
    background-color: #e74c3c;
    color: white;
}

#igual {
    background-color: #27ae60;
    color: white;
}

.informacion {
    max-width: 400px;

    color: white;
}

.informacion h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.informacion p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 15px;
}

@media (max-width: 700px) {

    .contenedor {
        flex-direction: column;
    }

    .informacion {
        text-align: center;
    }

}