/* Estilo básico azul e cinza para menu e conteúdo */

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f6fa;
    color: #222e3c;
}

header {
    background: #224b8f;
    color: #fff;
    padding: 16px 0;
    box-shadow: 0 2px 8px rgba(34, 75, 143, 0.08);
}

nav {
    display: flex;
    justify-content: center;
    gap: 32px;
}

nav a {
    color: #e3eaf7;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.2s;
}

nav a:hover {
    background: #2d5fa8;
}

#main-container {
    max-width: 900px;
    margin: 32px auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 16px rgba(34, 75, 143, 0.06);
    padding: 32px;
    justify-content: center;
}

h1, h2, h3 {
    color: #224b8f;
}

.button {
    background: #224b8f;
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.button:hover {
    background: #2d5fa8;
}

footer {
    text-align: center;
    padding: 16px 0;
    background: #e3eaf7;
    color: #224b8f;
    margin-top: 48px;
    font-size: 0.95em;
}