:root { color-scheme: light dark; --paper: #f4f7fb; --ink: #0f172a; --muted: #475569; --line: #cbd5e1; --link: #2563eb; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.8 system-ui, sans-serif; word-break: keep-all; overflow-wrap: anywhere; }
header { max-width: 1120px; margin: auto; padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
header img { display: block; object-fit: contain; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
a { color: var(--link); text-underline-offset: 4px; }
nav a { color: var(--muted); text-decoration: none; padding: 8px 0; }
nav a[aria-current] { color: var(--ink); text-decoration: underline; font-weight: 650; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; border-radius: 2px; }
main { max-width: 800px; margin: 32px auto 80px; padding: 0 24px; }
.documents { border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 32px; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.25; letter-spacing: -.04em; margin: 24px 0 12px; }
h2 { font-size: 1.25rem; line-height: 1.5; margin: 40px 0 12px; }
p { margin: 0 0 20px; }
.date { color: var(--muted); font-size: .875rem; }
.intro { margin-top: 28px; font-size: 1.125rem; }
footer { border-top: 1px solid var(--line); padding-top: 24px; margin-top: 48px; }
@media (prefers-color-scheme: dark) {
    :root { --paper: #0b1220; --ink: #f1f5f9; --muted: #cbd5e1; --line: #334155; --link: #60a5fa; }
    header img { filter: brightness(0) invert(1); }
}
@media (max-width: 480px) { header { flex-wrap: wrap; gap: 12px; } main { margin-top: 16px; } }