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

/* Body */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

/* Container padrão */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

.site-name {
    font-size: 2rem;
}

.slogan {
    font-size: 1rem;
    margin-bottom: 15px;
}

header a {
    color: #fff;
    text-decoration: none;
}

/* Navegação */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap; /* melhora responsividade */
    gap: 20px;
}

nav ul li a {
    font-weight: bold;
}

nav ul li a:hover,
nav ul li a:focus {
    text-decoration: underline;
    outline: 2px solid #fff;
    outline-offset: 4px;
}

/* Main */
main {
    padding: 30px 0;
}

/* Seção introdutória */
.intro {
    text-align: center;
    margin-bottom: 40px;
}

.intro p {
    max-width: 800px;
    margin: 0 auto 15px auto;
}

/* Títulos */
h1 {
    margin-bottom: 25px;
    font-size: 2rem;
}

h2 {
    margin: 35px 0 20px;
    font-size: 1.6rem;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* Cards (serviços, recursos, downloads) */
.service-item,
.download-item {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 22px;
    margin-bottom: 30px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
}

.service-item p,
.download-item p {
    color: #555;
    margin-bottom: 12px;
}

/* Links de ação (botões) */
.service-link,
.download-link,
.contact-link {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 16px;
    background: #007BFF;
    color: #fff;
    font-weight: bold;
    border-radius: 4px;
    text-decoration: none;
}

.service-link:hover,
.download-link:hover,
.contact-link:hover {
    background: #0056b3;
}

.service-link:focus,
.download-link:focus,
.contact-link:focus {
    outline: 3px solid #000;
    outline-offset: 3px;
}

/* Lista de contatos */
.contact-list {
    list-style: none;
    margin-top: 20px;
    font-size: 1.1em;
}

.contact-list li {
    margin-bottom: 10px;
}

.contact-list a {
    color: #007BFF;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    font-size: 0.9em;
}