* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f4f4f4;
    color: #222;
}

header {
    background-color: #003B73;
    color: #fff;
    padding: 15px;
    position: fixed;
    width: 100%;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

header h1 {
    font-size: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 15px;
    font-weight: bold;
}

main {
    padding-top: 100px;
}

.capa {
    background-color: #e5f0ff;
    padding: 40px 20px;
    text-align: center;
}

.sobre {
    background-color: #003B73;
    color: #fff;
    padding: 40px 20px;
    padding-top: 40px;

}

.controles {
    margin-top: 20px;
}

.controles input, .controles select, .controles button {
    padding: 8px 10px;
    margin: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    cursor: pointer;

}

.cards {
    padding: 40px 20px;
}

.grade {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card h3 {
    margin: 10px 0;
    color: #003B73;
}

.card p {
    font-size: 14px;
    padding-bottom: 10px;
}


.creditos {
    background-color: #e5f0ff;
    padding: 40px 20px;

}

footer {
    text-align: center;
    padding: 15px;
    background-color: #003B73;
    color: #fff;
}

.mensagem {
    text-align: center;
    color: #555;
    margin-top: 10px;
}

.erro {
    color: red;
}