body {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    background: #111;
    color: #ddd;
    font: 16px/1.6 system-ui, sans-serif;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 80px;
}

.wordmark {
    font-weight: 600;
    color: #fff;
}

nav {
    display: flex;
    gap: 20px;
}

a {
    color: #8ab4f8;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1,
h2,
h3 {
    color: #fff;
    line-height: 1.2;
}

h1 {
    font-size: 42px;
}

h2 {
    margin-top: 60px;
}

p {
    margin: 1em 0;
}

section {
    margin-bottom: 60px;
}

footer {
    margin-top: 100px;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #777;
    font-size: 14px;
}