:root {
    --bg: #ffffff;
    --fg: #1d1d1f;
    --muted: #6e6e73;
    --line: #e5e5ea;
    --accent: #2563eb;
    --accent-fg: #ffffff;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111113;
        --fg: #ececf1;
        --muted: #9a9aa3;
        --line: #2a2a2f;
        --accent: #5b8cff;
        --accent-fg: #0b0b0d;
    }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

header.site {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

header.site a.brand {
    color: var(--fg);
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
}

a { color: var(--accent); }

h1 { font-size: 28px; line-height: 1.25; margin: 32px 0 16px; }
h2 { font-size: 19px; line-height: 1.35; margin: 32px 0 8px; }
p, ul { margin: 0 0 12px; }
ul { padding-left: 22px; }
li { margin: 2px 0; }

.lead { color: var(--muted); font-size: 18px; }

.button {
    display: inline-block;
    margin: 8px 0 24px;
    padding: 12px 22px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--accent-fg);
    font-weight: 600;
    text-decoration: none;
}

.docs { list-style: none; padding: 0; }
.docs li { padding: 10px 0; border-bottom: 1px solid var(--line); }

.note {
    margin-top: 28px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    font-weight: 600;
}

footer.site {
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 8px; }
footer.site a { color: var(--muted); }