:root{--bg:#eef3f6;--paper:#fbfdfe;--text:#18242d;--muted:#506370;--line:#d7e2ea;--accent:#146c94;--soft:#eaf2f7}
*{box-sizing:border-box}
html{scroll-padding-top:28px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 'IBM Plex Sans','Segoe UI',Arial,sans-serif}
a{color:var(--accent);text-underline-offset:4px}
button{font:inherit;cursor:pointer}
button,a{touch-action:manipulation}
button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
::selection{background:#c6e2ef;color:var(--text)}
.shell{max-width:1280px;margin:24px auto;background:var(--paper);border-radius:24px;padding:0 48px}
header{display:flex;align-items:center;justify-content:space-between;min-height:86px;border-bottom:1px solid var(--line);gap:24px}
.brand{font-size:23px;font-weight:700;letter-spacing:-.7px;text-decoration:none;color:var(--text)}
nav{display:flex;align-items:center;gap:28px}
nav a{text-decoration:none;font-size:14px;white-space:nowrap}
nav a[aria-current]{font-weight:700}
.btn{display:inline-block;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--accent);padding:9px 17px;font-weight:600;font-size:14px;white-space:nowrap}
.btn:hover{background:var(--soft)}
.btn:active{transform:scale(.98)}
.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.primary:hover{background:#0f4c68}
/* One reading column controls all wrapping; children fill their parent. */
.layout{display:grid;grid-template-columns:208px minmax(0,1fr);gap:48px;padding:44px 0 64px}
aside{align-self:start;position:sticky;top:28px}
aside p{font-size:13px;font-weight:600;color:var(--muted);margin:0 0 14px}
aside a{display:block;font-size:14px;text-decoration:none;color:var(--muted);padding:8px 0;line-height:1.5}
aside a:hover{color:var(--accent)}
main{min-width:0;width:100%}
h1{font-size:42px;line-height:1.2;letter-spacing:-1.2px;margin:0 0 22px;font-weight:650}
h2{font-size:26px;line-height:1.35;letter-spacing:-.5px;margin:0 0 16px}
h3{font-size:17px;line-height:1.5;margin:0 0 6px}
p{margin:0 0 16px}
.lead{font-size:21px;line-height:1.6;margin-bottom:22px}
.body-copy{color:var(--muted)}
section+section{margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
section>:last-child,.body-copy>:last-child{margin-bottom:0}
.contributions{display:grid;gap:20px;margin:22px 0}
.contribution p{color:var(--muted);margin:0}
.citation{background:var(--soft);border-radius:14px;padding:24px}
.citation .meta{color:var(--accent);font-size:13px;font-weight:600;margin-bottom:10px}
.citation .title{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:12px}
.citation .authors{font-size:15px;margin-bottom:10px}
.publication{font-size:14px;color:var(--muted);overflow-wrap:anywhere;margin-bottom:18px}
.actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.actions a{font-size:14px}
.status{font-size:13px;color:var(--accent);margin:0}
.status:not(:empty){margin-top:10px}
.citation-note{font-size:14px;color:var(--muted);margin:16px 0 0}
.source{margin:22px 0}
.source p{color:var(--muted);margin:0}
.attribution{font-weight:600}
.reference{padding:18px 0}
.reference+.reference{border-top:1px solid var(--line)}
.reference p{font-size:15px;margin:6px 0}
.reference a{font-size:15px;overflow-wrap:anywhere}
.reference small{display:block;color:var(--muted);margin-bottom:6px}
footer{border-top:1px solid var(--line);padding:24px 0;display:flex;justify-content:space-between;font-size:13px;color:var(--muted);gap:16px}
footer a{margin-left:20px}
@media(max-width:1000px){.shell{margin:12px;padding:0 28px}.layout{grid-template-columns:180px minmax(0,1fr);gap:28px}nav{gap:18px}}
@media(max-width:760px){.shell{margin:0;border-radius:0;padding:0 22px}header{min-height:76px;gap:12px}.brand{font-size:19px}nav{gap:12px}nav a{font-size:12px}nav .btn{padding:7px 9px;font-size:12px}.layout{display:block;padding:24px 0 40px}aside{position:static;margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:16px}aside p{display:none}aside a{display:inline-block;font-size:12px;margin-right:18px;padding:5px 0}h1{font-size:34px}.lead{font-size:19px}h2{font-size:24px}.citation{padding:20px}.citation .title{font-size:18px}section+section{margin-top:32px;padding-top:26px}footer{display:block}footer div{margin-top:8px}footer a{margin:0 15px 0 0}}
@media(max-width:360px){header{flex-wrap:wrap;padding:14px 0;gap:8px}nav{width:100%;justify-content:space-between}}

/* Peer destinations share text navigation; the current page has an underline. */
nav .explorer-return,nav a[aria-current="page"]{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 0;color:var(--accent);font-size:16px;font-weight:600;line-height:1.4;text-decoration:none}
nav a[aria-current="page"]{color:var(--text);font-weight:700;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}
nav .explorer-return:hover{text-decoration:underline;text-underline-offset:8px}
@media(max-width:760px){header{flex-wrap:wrap;padding:16px 0;gap:12px}nav{width:100%;justify-content:space-between;gap:10px}nav .explorer-return,nav a[aria-current="page"]{font-size:14px}nav a{font-size:14px}nav .btn{font-size:13px}}