body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #181818;
    color: #f5f5f5;
}
header {
    background: #24292e;
    padding: 2rem 0;
    text-align: center;
}
header h1 {
    margin: 0;
    font-size: 2.5rem;
}
header p {
    margin: 0.5rem 0 0 0;
    font-size: 1.2rem;
    color: #bdbdbd;
}
nav {
    background: #20232a;
    padding: 1rem 0;
    text-align: center;
}
nav a {
    color: #61dafb;
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}
section {
    margin-bottom: 2rem;
}
.projetos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.projeto {
    background: #23272f;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 8px #0002;
    transition: transform 0.2s;
}
.projeto:hover {
    transform: translateY(-5px) scale(1.03);
}
.projeto h3 {
    margin-top: 0;
    color: #61dafb;
}
a {
    color: #61dafb;
    text-decoration: underline;
}
footer {
    background: #24292e;
    color: #bdbdbd;
    text-align: center;
    padding: 1rem 0;
    font-size: 0.9rem;
}
/* Responsive */
@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    main {
        padding: 0 0.5rem;
    }
}