:root { color-scheme: light; --ink: #17263c; --muted: #4e6078; --blue: #164cba; --line: #d6e0ec; --paper: #fff; --wash: #f2f6fc; }
* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.7; }
a { color: var(--blue); text-underline-offset: .22em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: .15em; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 2px; }
.skip { position: absolute; left: 1rem; top: -5rem; padding: .65rem; background: white; }
.skip:focus { top: 1rem; }
header { border-bottom: 1px solid var(--line); }
.bar { max-width: 72rem; margin: auto; padding: 1.25rem 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand { color: var(--ink); font-weight: 750; font-size: 1.1rem; text-decoration: none; }
nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
nav a { font-size: .95rem; }
nav a[aria-current="page"] { font-weight: 750; color: var(--ink); }
main { width: min(100% - 4rem, 64rem); margin: 3.5rem auto 5rem; }
.eyebrow { color: var(--blue); font-weight: 700; font-size: .9rem; margin-bottom: .75rem; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); line-height: 1.12; letter-spacing: -.04em; margin: 0 0 1.4rem; max-width: 18ch; }
h2 { font-size: 1.4rem; line-height: 1.35; letter-spacing: -.015em; margin: 2.25rem 0 .65rem; }
h3 { font-size: 1.1rem; line-height: 1.4; margin-top: 0; }
p { margin: .65rem 0 1rem; }
.intro { max-width: 45rem; font-size: 1.2rem; color: var(--muted); }
.panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2.5rem 0; padding: 2rem 0; border-top: 3px solid var(--blue); border-bottom: 1px solid var(--line); }
.panels p { color: var(--muted); margin-bottom: 0; }
.note { padding: 1.25rem 1.5rem; background: var(--wash); border-left: 3px solid var(--blue); max-width: 48rem; }
.note p { margin: 0; }
.prose { max-width: 49rem; }
.prose h1 { max-width: none; }
.date { color: var(--muted); }
ul, ol { padding-left: 1.35rem; }
li { margin-bottom: .55rem; }
footer { border-top: 1px solid var(--line); padding: 1.75rem 2rem; color: var(--muted); }
.footer-inner { max-width: 72rem; margin: auto; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 700px) { .bar { padding: 1rem 1.25rem; } main { width: min(100% - 2.5rem, 64rem); margin-top: 2.5rem; } .panels { grid-template-columns: 1fr; gap: 1.75rem; } footer { padding: 1.5rem 1.25rem; } }