/* Reseta margens e define a fonte padrão */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

/* Classe para centralizar e limitar a largura do conteúdo */
.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Estilos do Cabeçalho */
header {
    background-color: #1a252c;
    color: #fff;
    padding: 3rem 0;
    text-align: center;
    border-bottom: 5px solid #3498db;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    color: #b0c4de;
}

/* Estilos da Barra de Navegação */
nav {
    background-color: #2c3e50;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav li {
    margin: 0;
}

nav a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 1rem 1.5rem;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #3498db;
}

/* Estilos do Conteúdo Principal */
main {
    padding: 2rem 0;
}

/* Estilos das Seções (Cards) */
.card {
    background-color: #fff;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

.card p {
    margin-bottom: 1rem;
    text-align: justify;
}

.card ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.card ul li {
    margin-bottom: 0.5rem;
}

/* Estilos do Rodapé */
footer {
    background-color: #1a252c;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}