:root {
    --bg: #f9f9f9;
    --text: #1a1a1a;
    --primary: #0d6efd;
    --secondary: #6c757d;
    --card: #fff;
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg);
    color: var(--text);
}

header.cabecalho {
    background-color: var(--primary);
    color: white;
    padding: 2rem 1rem;
}

.container-topo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    text-align: left;
}

.foto-perfil {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.info-topo h1 {
    font-size: 2.2rem;
    margin: 0;
    color: white;
}

.info-topo p {
    margin: 0.3rem 0 0;
    font-size: 1.1rem;
    color: #e0e0e0;
}

main {
    max-width: 960px;
    margin: 2rem auto;
    padding: 1rem;
}

section {
    background-color: var(--card);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-top: 0;
    color: var(--primary);
}

ul {
    padding-left: 1.2rem;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.projetos-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
    background-color: var(--card);
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin-top: 0;
}

.card a {
    color: var(--primary);