:root { color-scheme: light; --ink: #000; --paper: #fff; --accent: #0057b8; }
* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body { max-width: 816px; margin: 0 auto; padding: 32px 28px; background: var(--paper); color: var(--ink); font: 16px/1.65 system-ui, sans-serif; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
header { font-size: 14px; }
header { border-bottom: 1px solid; padding-bottom: 20px; }
footer { margin-top: 44px; padding-top: 16px; border-top: 1px solid; font-size: 14px; }
code, figcaption, caption { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
h1 { margin: 32px 0 8px; font-size: 40px; line-height: 1.2; letter-spacing: -1.5px; }
.lead { font-size: 20px; line-height: 1.5; margin-top: 0; }
h2 { margin: 44px 0 16px; padding-bottom: 8px; border-bottom: 1px solid; font-size: 24px; line-height: 1.3; }
h3 { margin: 26px 0 8px; font-size: 18px; }
p { margin: 14px 0; }
ul, ol { padding-left: 24px; }
li + li { margin-top: 8px; }
figure { margin: 28px 0; }
img { display: block; width: 100%; height: auto; }
.diagram-scroll { overflow-x: auto; border-radius: 16px; }
.diagram-scroll img { min-width: 640px; }
.diagram-scroll:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
figcaption { margin-top: 12px; font-size: 12px; }
code { font-size: .88em; overflow-wrap: anywhere; }
dt { margin-top: 16px; font-weight: 600; }
dd { margin: 4px 0 0; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
caption { text-align: left; margin-bottom: 12px; font-size: 12px; }
th, td { border: 1px solid; padding: 10px 12px; vertical-align: top; }
blockquote { margin: 24px 0; padding-left: 18px; border-left: 3px solid var(--accent); }
.policy-summary { font-size: 20px; line-height: 1.5; }
@media (max-width: 540px) {
  body { padding: 20px 18px; }
  h1 { font-size: 34px; }
  h2 { font-size: 22px; }
  th, td { padding: 8px; }
}