/* Reset básico */
body, h1, h2, h3, p, ul, li, a, input, textarea, button {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #0077cc;
    color: white;
    padding: 15px 0;
    text-align: center;
}

header h1 {
    font-size: 2em;
    margin: 0;
}

nav ul {
    display: flex;
    justify-content: center;
    gap: 20px;
    list-style: none;
    margin-top: 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ffcc00;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: white;
    margin-top: 20px;
}

form input, form textarea, form button {
    display: block;
    width: 100%;
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

form button {
    background-color: #0077cc;
    color: white;
    border: none;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s;
}

form button:hover {
    background-color: #005fa3;
}