:root {
    --fg: #1a1a1a;
    --bg: #fafafa;
    --muted: #6b6b6b;
    --accent: #2855a8;
    --border: #e2e2e2;
    --code-bg: #f0f0f0;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.55;
    font-size: 17px;
}

main {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 24px 96px;
}

header.site {
    border-bottom: 1px solid var(--border);
    padding: 18px 24px;
    background: #fff;
}

header.site nav {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    gap: 24px;
    align-items: baseline;
}

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

header.site a {
    color: var(--accent);
    text-decoration: none;
}

header.site a:hover { text-decoration: underline; }

h1 {
    font-size: 32px;
    line-height: 1.2;
    margin: 0 0 8px;
}

h2 {
    font-size: 22px;
    margin: 40px 0 12px;
}

h3 {
    font-size: 18px;
    margin: 24px 0 8px;
}

p { margin: 0 0 14px; }

.lede {
    font-size: 19px;
    color: var(--muted);
    margin: 0 0 32px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 15px;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    font-weight: 600;
    background: #f3f3f3;
}

ul, ol {
    padding-left: 22px;
    margin: 0 0 16px;
}

li { margin-bottom: 4px; }

code {
    background: var(--code-bg);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 14px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
}

footer.site {
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--muted);
}

.cta {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    margin: 4px 8px 4px 0;
}

.cta:hover { background: #1d4188; }

.cta.alt {
    background: white;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.tariff-note {
    background: #f7f7f7;
    border-left: 4px solid var(--accent);
    padding: 12px 16px;
    margin: 12px 0;
    border-radius: 0 6px 6px 0;
}

.muted { color: var(--muted); }