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

body {
    background-color: #f4f6f8;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* HEADER */
header {
    background-color: #0b1c2d;
    padding: 30px 0 0;
    text-align: center;
}

header img {
    height: 60px;
    margin-bottom: 20px;
}

/* MENU */
nav {
    background-color: #143454;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

nav ul li {
    position: relative;
}

nav ul li a {
    display: block;
    padding: 15px 35px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    background-color: #1d4f7a;
}

/* SUBMENU */
nav ul li ul {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #1a456d;
    display: none;
    min-width: 260px;
    z-index: 1000;
}

nav ul li:hover > ul {
    display: block;
}

nav ul li ul li a {
    padding: 12px 20px;
    font-weight: normal;
}

/* CONTEÚDO */
main {
    flex: 1;
    padding: 80px 20px;
}

.content-box {
    max-width: 900px;
    margin: 0 auto;
    background-color: #fff;
    padding: 60px;
    border-radius: 8px;
}

.content-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #0b1c2d;
}

.content-box p {
    line-height: 1.8;
    margin-bottom: 20px;
}

/* RODAPÉ */
footer {
    background-color: #0b1c2d;
    color: #fff;
    padding: 35px 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-left,
.footer-right {
    min-width: 260px;
}

footer a {
    color: #25D366;
    text-decoration: none;
    font-weight: bold;
}

.rights {
    margin-top: 10px;
    font-size: 0.8rem;
    opacity: 0.7;
}