body {
    background-color: #E7E9F0;
    margin: 0;
    font-family: Arial, sans-serif;
}

@font-face {
    font-family: 'gothambold';
    src: url('fonts/gotham_bold-webfont.woff2') format('woff2'), url('fonts/gotham_bold-webfont.woff') format('woff');
    font-weight: bold;
    font-style: normal;
}

.rodape {
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 30px;
    flex-wrap: wrap;
}

.nav-esquerda {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    width: 150px;
}

.nav-btn {
    background: none;
    border: none;
    font-family: gothambold;
    font-size: 18px;
    cursor: pointer;
    padding: 10px 15px;
    transition: background-color 0.2s;
}

.nav-btn:hover {
    background-color: #eee;
    border-radius: 5px;
}

.titulo {
    font-size: 28px;
    font-family: gothambold;
    color: #000;
    text-align: center;
    flex-grow: 1;
}

input {
    padding: 5px;
    border-radius: 5px;
    min-width: 200px;
    border: 1px solid #ccc;
}

.instalacao {
    width: 100%;
    text-align: center;
    font-size: 26px;
    font-family: gothambold;
    margin-bottom: 20px;
}

.conteudo {
    margin-top: 50px;
    padding: 10px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.calculadora {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
    width: 300px;
    gap: 0px;
    font-family: gothambold;
    text-align: center;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    padding: 12px 16px;
    z-index: 1;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.botao {
    width: 100%;
    height: 40px;
    font-family: gothambold;
    font-size: 14px;
    background-color: #e9e9e9;
    border: 1px solid black;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.botao:hover {
    background-color: #c5c5c5;
}

button:active {
    box-shadow: 0 5px #7d7d7d;
    transform: translateY(4px);
}

@media (max-width: 768px) {
    .rodape {
        flex-direction: column;
        align-items: flex-start;
    }
    .nav-direita {
        flex-wrap: wrap;
        gap: 5px;
    }
    .titulo {
        margin: 10px 0;
    }
}