/* Variáveis de estilo */
:root {
    --primary-color: #063680;
    --secondary-color: #2c3e50;
    --background-color: #f4f7f6;
    --text-color: #333;
    --card-bg-color: #fff;
    --border-radius: 12px;
    --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

/* Estilos gerais */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Cabeçalho */
.header {
    background-color: var(--card-bg-color);
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    box-shadow: var(--box-shadow);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8em;
    font-weight: 600;
    color: var(--secondary-color);
}

.nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.nav a {
    font-weight: 400;
}

/* Conteúdo principal */
.main-content .container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
    padding-top: 40px;
}

/* Cards de posts */
.post-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
}

.post-image {
    width: 100%;
    height: auto;
    display: block;
}

.post-info {
    padding: 25px;
}

.post-title {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.5em;
    font-weight: 600;
}

.post-title a {
    color: var(--secondary-color);
}

.post-excerpt {
    margin-bottom: 20px;
}

.read-more {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 400;
    transition: background-color 0.3s ease;
}

.read-more:hover {
    background-color: var(--secondary-color);
}

/* Barra lateral */
.sidebar {
    position: sticky;
    top: 20px;
    align-self: flex-start;
}

.widget {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow);
}

.widget h3 {
    margin-top: 0;
    font-size: 1.2em;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.search-input {
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
}

.categories-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-widget li {
    margin-bottom: 8px;
}

/* Rodapé */
.footer {
    text-align: center;
    padding: 25px 0;
    border-top: 1px solid #eee;
    background-color: var(--card-bg-color);
    margin-top: 40px;
    color: #888;
}

/* Responsividade */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        text-align: center;
    }

    .nav {
        margin-top: 15px;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 10px;
    }

    .main-content .container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .post-card {
        flex-direction: column;
    }

    .sidebar {
        position: static;
    }
}