:root { color-scheme: light; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #263341; background: #f4f6f8; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
a { color: #244f78; text-underline-offset: .2em; }
a:hover { color: #163751; }
a:focus-visible, main:focus-visible { outline: 3px solid #246caa; outline-offset: 5px; }
.skip-link { position: absolute; left: 1rem; top: -6rem; padding: .65rem 1rem; background: white; z-index: 1; }
.skip-link:focus { top: 1rem; }
.site-header, main, footer { width: min(100% - 3rem, 52rem); margin-inline: auto; }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.8rem; border-bottom: 1px solid #c8d2dc; }
.brand { color: #263341; font-size: 1.1rem; font-weight: 700; line-height: 1.4; text-decoration: none; padding-block: .3rem; }
.brand span { display: block; color: #526273; font-size: .8rem; font-weight: 400; }
nav { display: flex; flex-wrap: wrap; gap: .25rem; }
nav a { display: inline-flex; align-items: center; min-height: 44px; padding: .45rem .75rem; border-radius: .4rem; font-size: .95rem; }
nav a[aria-current="page"] { color: #263341; background: #e1e8ef; font-weight: 600; text-decoration: none; }
main { padding-bottom: 1.5rem; }
.intro { padding-block: 3.5rem 2rem; max-width: 46rem; }
.eyebrow, .note-number { color: #526273; font-size: .8rem; letter-spacing: .035em; margin: 0 0 .75rem; }
h1, h2 { line-height: 1.2; font-weight: 650; }
h1 { font-size: clamp(2rem, 5.5vw, 3rem); letter-spacing: -.035em; margin: 0 0 1.25rem; }
h2 { font-size: clamp(1.3rem, 3vw, 1.55rem); margin: 0 0 1rem; }
.lead { color: #526273; font-size: 1.1rem; margin-bottom: 0; }
.note { padding: 1.7rem 2rem; margin-bottom: 1rem; border: 1px solid #d0d9e2; border-radius: .65rem; background: #fff; }
.note p { margin-block: .8rem; }
.note p:last-child { margin-bottom: 0; }
ol { padding-left: 1.4rem; }
li { padding-left: .25rem; margin-bottom: .4rem; }
.text-link, footer a { display: inline-flex; align-items: center; min-height: 44px; padding-block: .5rem; }
footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; padding-block: 1.3rem 2rem; border-top: 1px solid #c8d2dc; color: #526273; font-size: .8rem; }
footer p { margin: 0; }
@media (max-width: 480px) {
  .site-header, main, footer { width: calc(100% - 2rem); }
  .site-header { padding-block: 1.25rem; }
  .intro { padding-block: 2.5rem 1.5rem; }
  .note { padding: 1.3rem; }
}
@media print { body { background: white; } .skip-link, nav { display: none; } .note { break-inside: avoid; } }