:root { color-scheme: light; --ink: #172b3b; --muted: #52616d; --line: #d8e2e8; --accent: #075b75; --paper: #fff; --surface: #f3f7f9; }
* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.7; overflow-wrap: anywhere; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .15em; }
a:focus-visible { outline: 3px solid #087e9d; outline-offset: 5px; border-radius: 2px; }
.skip { position: absolute; top: .5rem; left: .5rem; padding: .5rem 1rem; background: white; transform: translateY(-200%); }
.skip:focus { transform: none; }
.site-header { max-width: 70rem; margin: auto; padding: 1.5rem clamp(1rem, 4vw, 3rem); border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 1.3rem; align-items: center; justify-content: space-between; }
.brand { margin: 0; font-weight: 800; font-size: 1.5rem; letter-spacing: .02em; line-height: 1.3; }
.brand span { display: block; margin-top: .35rem; font-size: .75rem; font-weight: 600; letter-spacing: .1em; color: var(--muted); }
.languages { display: flex; flex-wrap: wrap; gap: .5rem; }
.languages a { padding: .4rem .8rem; border: 1px solid var(--line); border-radius: .35rem; text-decoration: none; }
.languages a[aria-current="page"] { color: #fff; background: var(--ink); border-color: var(--ink); }
main { max-width: 52rem; margin: auto; padding: 2.5rem clamp(1rem, 4vw, 3rem) 4rem; }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.2; letter-spacing: -.035em; margin: .6rem 0 1.3rem; }
h2 { font-size: 1.35rem; line-height: 1.4; margin: 0 0 .75rem; }
p { margin: .75rem 0; }
section { margin-top: 2.4rem; }
ul { padding-left: 1.3rem; }
li + li { margin-top: .45rem; }
.muted, .meta { color: var(--muted); }
.meta { font-size: .9rem; }
.intro, .toc { background: var(--surface); padding: 1.2rem 1.4rem; border: 1px solid var(--line); border-radius: .5rem; }
.toc { margin: 2rem 0; }
.toc ol { margin-bottom: 0; padding-left: 1.5rem; }
.review-note { border-left: 3px solid #947000; background: #fffbea; padding: .7rem 1rem; }
footer { border-top: 1px solid var(--line); padding-top: 1.5rem; margin-top: 3rem; color: var(--muted); font-size: .9rem; }
.language-page { padding-top: clamp(2rem, 8vh, 6rem); max-width: 44rem; }
.language-page h1 { margin-top: 2rem; }
.language-page h1 span { font-weight: 500; color: var(--muted); }
.language-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.language-options a { padding: 1rem 1.2rem; background: var(--surface); border: 1px solid var(--line); border-radius: .5rem; font-weight: 650; text-decoration: none; display: flex; justify-content: space-between; gap: 1rem; }
@media (max-width: 24rem) { .language-options { grid-template-columns: 1fr; } }
@media print { .skip, .languages, .toc { display: none; } body { font-size: 11pt; } main { max-width: none; padding: 1rem 0; } .site-header { padding: 0 0 1rem; } h2 { break-after: avoid; } p, li { orphans: 3; widows: 3; } .intro, .review-note { background: none; } }