* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-size: 16px;
    color: #333333;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}


nav {
    width: 100%; 
    background-color: #333; 
    margin-bottom: 20px; 
    padding: 10px 0;
}

nav ul {
    list-style: none; 
    text-align: center; 
    padding: 0;
    margin: 0;
}

nav li {
    display: inline-block; 
    margin: 0 15px; 
}

nav a {
    text-decoration: none; 
    color: white; 
    font-size: 16px;
    font-weight: bold;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease; 
}

nav a:hover {
    background-color: #555;
}

nav li.active a {
    background-color: #4CAF50; 
    color: white;
}

/* titulos */
h1 {
    font-size: 36px;
    color: #000000;
    text-align: center;
    margin-bottom: 20px;
}

h2 {
    font-size: 28px;
    color: #666;
    text-align: center;
    margin-bottom: 30px;
}

h3 { 
    font-size: 24px;
    color: #4CAF50;
    text-align: left;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #4CAF50;
}

h4 {
    font-size: 20px;
    color: #000000;
    margin-bottom: 10px;
}

h5 {
    font-size: 18px;
    color: #000000;
    margin-bottom: 10px;
}

h6 {
    font-size: 16px;
    color: #000000;
    margin-bottom: 10px;
}


p {
    font-size: 14px;
    color: #000000;
    text-align: justify;
    margin-bottom: 10px;
}


div {
    text-align: left;
}


span {
    color: #0066cc;
    font-size: 14px;
}


.destaque {
    color: #0f5312; 
    font-size: 16px;
}

.secao {
    text-align: center;
    margin-bottom: 20px;
}

.link-social {
    color: #16a085;
    font-size: 15px;
}

.link-social a {
    color: #4CAF50; 
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s ease;
}

.link-social a:hover {
    text-decoration: underline;
    color: #45a049;
}

.tecnologia {
    color: #4CAF50; 
    font-size: 16px;
    font-weight: bold;
    background-color: #e8f5e9;
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
}

.titulo-direita {
    text-align: center; 
    color: #4CAF50; 
    font-size: 32px;
    padding-right: 20px; 
}

.caixa {
    border: 1px solid #ddd; 
    border-top: 4px solid #4CAF50; 
    padding: 20px;
    margin: 15px 0;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.caixa:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* responsividade */
@media (max-width: 768px) {
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    .titulo-direita {
        text-align: center;
        padding-right: 0;
        font-size: 24px;
    }
    
    nav li {
        display: block;
        margin: 10px 0;
    }
    
    .container {
        padding: 10px;
    }
}