:root {
    /* Tipos das fontes */
    --font-signature: 'Tangerine', cursive;
    --font-titles: 'Montserrat', sans-serif;
    --font-main: 'Inter', sans-serif;

    /* Escala Tipográfica */
    --size-h1: 3rem; 
    --size-h2: 1.1rem;
    --size-h3: 1.5rem;
    --size-body: 1rem;

    /* Paleta de Cores */
    --bg-page: #f8f9fa;
    --bg-card: #ffffff;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --accent: #0984e3;
    --border: #dfe6e9;
}

/* 1. Reset Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-page);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* 2. Layout Principal (Container Centralizado) */
.container {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
}

/* 3. Header - O Bloco Unificado */
header {
    padding-top: 50px;
    margin-bottom: 30px;
}

.header-card {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);

    display: flex;
    align-items: center;
    gap: 35px;
}

.avatar {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-page);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

h1 {
    font-family: var(--font-signature);
    font-size: var(--size-h1);
    line-height: 0.8;
    margin-bottom: 8px;
}

h2 {
    font-size: var(--size-h2);
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 1px;
}

/* 4. Navegação de Links no Header */
.header-nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

.header-nav a {
    text-decoration: none;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.header-nav a:hover {
    color: var(--text-dark);
    text-decoration: underline;
}


main {
    flex: 1;
}

section[class^="content-"] {
    background-color: var(--bg-card);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 25px;
}

h3 {
    font-family: var(--font-titles);
    font-size: var(--size-h3);
    margin-bottom: 20px;
    color: var(--text-dark);
    border-left: 5px solid var(--accent);
    padding-left: 15px;
}

/* Estilização de Listas Técnicas */
article ul {
    list-style-position: inside;
}

article li {
    margin-bottom: 12px;
}

article li strong {
    color: var(--accent);
}

/* 6. Footer */
footer {
    text-align: center;
    padding: 50px 0;
    color: var(--text-light);
}

footer hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin-bottom: 20px;
}

small {
    font-size: 0.85rem;
}