/* Reading pages of the hub (document template): /cities-after-ai and /cities-after-ai-ru. Loaded after hub.css, on these pages only.
   Theme "night frame, paper reading": the header and the footer keep the hub's night theme, the text sits on paper (Paper & Light).
   Own classes start with rd- so they never meet a class of hub.css or hub.js. The paper tokens below are read by
   src/framework/reader/check-reader.py for the contrast check. Without reader.js the whole text is visible. */

@font-face{font-family:"Literata";font-style:normal;font-weight:200 900;font-display:swap;
  src:url("fonts/literata-latin-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Literata";font-style:italic;font-weight:200 900;font-display:swap;
  src:url("fonts/literata-latin-italic.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Literata";font-style:normal;font-weight:200 900;font-display:swap;
  src:url("fonts/literata-cyrillic-normal.woff2") format("woff2");
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Literata";font-style:italic;font-weight:200 900;font-display:swap;
  src:url("fonts/literata-cyrillic-italic.woff2") format("woff2");
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

:root{
  --rd-paper:#F6F2EA;     /* paper */
  --rd-panel:#FFFFFF;     /* panels on paper */
  --rd-line:#E3DCCF;      /* rules and panel edges */
  --rd-text:#0B1020;      /* text, night navy */
  --rd-muted:#4A5068;     /* secondary text, labels */
  --rd-link:#0A6E8F;      /* links: deep cyan */
  --rd-accent:#B0148E;    /* layer-2 accent on paper: deep magenta */
  --rd-on-accent:#FFFFFF; /* text on the accent fill */
  --rd-tfl-bg:#F7E9F1;    /* "Thought for leaders" panel */
  --rd-hl:#EFE2B8;        /* glossary entry reached by a link */
  --rd-serif:"Literata",Georgia,"Times New Roman",serif;
  --rd-measure:35em;      /* about 66-70 characters of Literata */
  --rd-fs:clamp(18px,.3vw + 17px,19.5px);
}

main{overflow-x:clip}
.rd .site-foot{margin-top:0}
.rd .site-head{background:rgba(11,16,32,.95)}

/* ---------- the paper ---------- */
.rd-page{position:relative;color:var(--rd-text);background:var(--rd-paper) url(declaration/paper-grain.webp) 0 0/192px 192px repeat;
  border-top:2px solid transparent;border-image:linear-gradient(90deg,#29F0FF,#B0148E 55%,#FF2BD6) 1}
.rd-page a{color:var(--rd-link)}
.rd-page strong{color:inherit}
.rd-page :focus-visible{outline:3px solid var(--rd-accent);outline-offset:3px;border-radius:3px}

/* ---------- progress bar (inside the sticky header) ---------- */
.site-head{position:sticky}
.rd-progress{position:absolute;left:0;right:0;bottom:-3px;height:3px;background:transparent;pointer-events:none}
.rd-progress i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#29F0FF,#FF2BD6)}
@media (prefers-reduced-motion:no-preference){.rd-progress i{transition:transform .12s linear}}

/* ---------- cover ---------- */
.rd-cover{padding:clamp(28px,5vw,64px) 0 clamp(36px,5vw,72px);border-bottom:1px solid var(--rd-line)}
.rd-cover-in{display:grid;grid-template-columns:minmax(0,1fr);gap:36px 56px;align-items:center}
.rd-cover:has(.rd-cover-art) .rd-cover-in{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
.rd-cover-copy{max-width:44rem}
.rd-crumbs{font-size:14px;font-weight:600;color:var(--rd-muted);margin-bottom:22px}
.rd-crumbs a{color:var(--rd-link);text-decoration:none}
.rd-crumbs a:hover{text-decoration:underline;text-underline-offset:3px}
.rd-eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--rd-accent);margin-bottom:14px}
.rd-title{font-size:clamp(44px,5.2vw + 16px,88px);font-weight:800;line-height:1;letter-spacing:-.035em;color:var(--rd-text);text-wrap:balance}
.rd-title::after{content:"";display:block;width:84px;height:5px;margin-top:22px;border-radius:3px;background:var(--rd-accent)}
.rd-subtitle{margin-top:22px;font-family:var(--rd-serif);font-style:italic;font-weight:400;font-size:clamp(20px,1.1vw + 16px,29px);line-height:1.3;letter-spacing:-.005em;color:var(--rd-text)}
.rd-kind{margin-top:24px;font-size:15px;line-height:1.5;color:var(--rd-muted)}
.rd-kind strong{font-weight:600;color:var(--rd-muted)}
.rd-version{margin-top:8px;font-size:15px;color:var(--rd-muted)}
.rd-authors{margin-top:18px;font-size:15.5px;line-height:1.55;color:var(--rd-text)}
.rd-authors strong{font-weight:700}
.rd-meta{margin-top:18px;font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--rd-muted)}
.rd-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.rd-cover-art{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px -30px rgba(11,16,32,.45)}
.rd-cover-art img{width:100%;height:auto}

/* buttons (paper): the call is the deep accent, the second action an ink outline */
.rd-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:0;border-radius:999px;
  font:inherit;font-size:15px;font-weight:700;letter-spacing:.005em;text-decoration:none;cursor:pointer;
  transition:background .2s,color .2s,box-shadow .2s}
.rd-page .rd-btn-main{background:var(--rd-accent);color:var(--rd-on-accent)}
.rd-page .rd-btn-main:hover{background:#8F0F73;box-shadow:0 10px 26px -12px rgba(176,20,142,.7)}
.rd-page .rd-btn-line{background:transparent;color:var(--rd-text);box-shadow:inset 0 0 0 1.5px var(--rd-text)}
.rd-page .rd-btn-line:hover{background:var(--rd-text);color:#fff}
.rd-page .rd-btn-small{min-height:38px;padding:0 16px;font-size:14px;background:var(--rd-text);color:#fff}
.rd-page .rd-btn-small:hover{background:#252C47}

/* cite */
.rd-cite{margin-top:22px;max-width:40rem}
.rd-cite-d summary{display:inline-block;font-size:14px;font-weight:700;color:var(--rd-link);cursor:pointer;text-decoration:underline;text-underline-offset:3px;list-style:none}
.rd-cite-d summary::-webkit-details-marker{display:none}
.rd-cite-l{margin-top:12px;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--rd-muted)}
.rd-cite-t{margin-top:6px;padding:14px 16px;border:1px solid var(--rd-line);border-radius:12px;background:var(--rd-panel);font-family:var(--rd-serif);font-size:15.5px;line-height:1.55;user-select:all}
.rd-cite-a{display:flex;align-items:center;gap:14px;margin-top:10px}
.rd-cite-s{font-size:14px;font-weight:600;color:var(--rd-muted)}
.rd-cite-n{margin-top:10px;font-size:14px;color:var(--rd-muted)}
/* with JS the second "Cite" is a button that opens the details; without JS the details summary is the control */
.rd-ready .rd-cite-btn{display:inline-flex}
.rd-ready .rd-cite-d summary{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rd-ready .rd-cite-d:not([open]) > :not(summary){display:none}

/* ---------- layout: contents on the left, the text on the right ---------- */
.rd-layout{display:grid;grid-template-columns:minmax(0,15.5rem) minmax(0,1fr);gap:0 clamp(32px,5vw,72px);align-items:start;padding-top:clamp(28px,4vw,56px);padding-bottom:clamp(48px,6vw,96px)}
.rd-toc{position:sticky;top:calc(var(--head) + 24px);max-height:calc(100vh - var(--head) - 48px);overflow:auto;padding:0 0 0 2px;overscroll-behavior:contain}
.rd-toc-t{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--rd-muted);margin-bottom:12px}
.rd-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--rd-line)}
.rd-toc li{margin:0}
.rd-toc a{display:block;padding:7px 10px 7px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:12.5px;font-weight:600;line-height:1.35;letter-spacing:.015em;color:var(--rd-muted);text-decoration:none}
.rd-toc a:hover{color:var(--rd-text)}
.rd-toc a.is-current{color:var(--rd-accent);border-left-color:var(--rd-accent);font-weight:700}
.rd-toc-btn,.rd-scrim{display:none}

/* ---------- the text ---------- */
.rd-doc{min-width:0;font-family:var(--rd-serif);font-size:var(--rd-fs);line-height:1.6;font-variant-numeric:oldstyle-nums;hyphens:auto;-webkit-hyphens:auto;overflow-wrap:break-word}
.rd-doc p,.rd-doc ol,.rd-doc ul,.rd-doc .rd-sub{max-width:var(--rd-measure)}
.rd-doc p{margin:0 0 1em}
.rd-doc strong{font-weight:700}
.rd-doc a{text-underline-offset:3px}
.rd-sec{scroll-margin-top:calc(var(--head) + 16px)}
.rd-sec + .rd-sec{margin-top:clamp(56px,8vw,104px)}

.rd-h-plain,.rd-ch-head h2{font-family:"Inter",system-ui,sans-serif;font-weight:800;letter-spacing:-.015em;line-height:1.14;color:var(--rd-text);text-wrap:balance}
.rd-h-plain{font-size:clamp(22px,1vw + 18px,30px);margin-bottom:22px;max-width:var(--rd-measure)}
.rd-ch-head{margin-bottom:28px;padding-top:26px;border-top:1px solid var(--rd-line)}
.rd-ch-head h2{font-size:clamp(23px,1.2vw + 17px,32px);max-width:24em}
.rd-ch-n .rd-ch-head h2{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:.5em;align-items:baseline}
.rd-no{font-size:2.5em;font-weight:200;line-height:.9;letter-spacing:-.03em;color:var(--rd-accent);font-variant-numeric:lining-nums}
.rd-sub{font-family:"Inter",system-ui,sans-serif;font-size:clamp(18.5px,.4vw + 17px,22px);font-weight:700;line-height:1.25;letter-spacing:-.01em;margin:2.1em 0 .55em;color:var(--rd-text);text-wrap:balance;scroll-margin-top:calc(var(--head) + 16px)}
.rd-em{font-style:italic}
.rd-stand{font-size:1.18em;line-height:1.5;color:var(--rd-text);margin-bottom:1.3em}

/* lists */
.rd-ol,.rd-ul{margin:0 0 1.15em;padding:0}
.rd-ul{list-style:none}
.rd-ul li{position:relative;padding-left:1.4em;margin:0 0 .55em}
.rd-ul li::before{content:"";position:absolute;left:.15em;top:.72em;width:.5em;height:.5em;border-radius:50%;background:var(--rd-accent)}
.rd-ol{list-style:none;counter-reset:rd-o}
.rd-ol li{counter-increment:rd-o;position:relative;padding-left:2.1em;margin:0 0 .8em}
.rd-ol li::before{content:counter(rd-o);position:absolute;left:0;top:.18em;width:1.5em;font-family:"Inter",system-ui,sans-serif;font-size:.82em;font-weight:800;color:var(--rd-accent);font-variant-numeric:lining-nums}

/* key messages: a card */
.rd-key{padding:clamp(22px,3vw,40px);background:var(--rd-panel);border:1px solid var(--rd-line);border-radius:20px;box-shadow:0 18px 50px -34px rgba(11,16,32,.35)}
.rd-key .rd-h-plain{font-size:clamp(17px,.5vw + 15px,21px);letter-spacing:.06em;text-transform:none}
.rd-km{list-style:none;counter-reset:rd-k;margin:0;padding:0;max-width:none}
.rd-km li{counter-increment:rd-k;position:relative;padding:16px 0 16px 3.1rem;border-top:1px solid var(--rd-line);max-width:var(--rd-measure)}
.rd-km li:first-child{border-top:0}
.rd-km li::before{content:counter(rd-k);position:absolute;left:0;top:14px;width:2.1rem;height:2.1rem;display:grid;place-items:center;border-radius:50%;background:var(--rd-accent);color:var(--rd-on-accent);font-family:"Inter",system-ui,sans-serif;font-size:.8em;font-weight:800;font-variant-numeric:lining-nums}

/* thought for leaders: an inset with the accent stripe */
.rd-tfl{max-width:var(--rd-measure);margin:2em 0;padding:1.05em 1.3em 1.1em;background:var(--rd-tfl-bg);border-left:6px solid var(--rd-accent);border-radius:4px 14px 14px 4px}
.rd-doc .rd-tfl p{margin:0}
.rd-tfl-lab{display:block;margin-bottom:.35em;font-family:"Inter",system-ui,sans-serif;font-size:.7em;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--rd-accent);font-style:normal}

/* two paths: a table that becomes cards on phones */
.rd-tablewrap{margin:1.4em 0 1.6em;max-width:56em}
.rd-table{width:100%;border-collapse:separate;border-spacing:0;font-size:.9em;line-height:1.5;hyphens:manual}
.rd-table th{padding:12px 16px;text-align:left;font-family:"Inter",system-ui,sans-serif;font-size:.78em;font-weight:800;letter-spacing:.1em;text-transform:uppercase;background:#E7E4E6;color:var(--rd-text)}
.rd-table th:nth-child(3){background:#F1E3C7}
.rd-table th:first-child{border-radius:12px 0 0 0}
.rd-table th:last-child{border-radius:0 12px 0 0}
.rd-table td{padding:14px 16px;vertical-align:top;border-bottom:1px solid var(--rd-line);background:var(--rd-panel)}
.rd-table td:first-child{width:21%;font-family:"Inter",system-ui,sans-serif;font-size:.92em;color:var(--rd-text)}
.rd-table td:nth-child(2){background:#F1F3F7}
.rd-table td:nth-child(3){background:#FBF4E6}
.rd-table tr{break-inside:avoid}

/* glossary */
.rd-gloss{margin:0;padding:0;max-width:var(--rd-measure)}
.rd-gl{margin:0 0 1.1em;padding:.15em .6em .15em 0;border-radius:6px;scroll-margin-top:calc(var(--head) + 24px)}
.rd-gl dt{font-family:"Inter",system-ui,sans-serif;font-weight:800;font-size:.92em;color:var(--rd-text)}
.rd-gl dd{margin:.15em 0 0}
.rd-gl:target{background:var(--rd-hl);box-shadow:-.6em 0 0 var(--rd-hl);padding-left:.0em}
.rd-term{color:inherit!important;text-decoration:underline dotted 2px var(--rd-accent);text-underline-offset:.24em;cursor:help}
.rd-term:hover,.rd-term:focus-visible{background:rgba(176,20,142,.1)}
.rd-tip{position:absolute;z-index:70;width:max-content;max-width:min(24rem,calc(100vw - 32px));padding:14px 16px 14px;border-radius:14px;background:var(--rd-text);color:#fff;
  font-family:"Inter",system-ui,sans-serif;font-size:14.5px;line-height:1.5;font-weight:500;box-shadow:0 18px 44px -14px rgba(11,16,32,.65);hyphens:manual}
.rd-tip b{display:block;margin-bottom:4px;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#FFC3EF}
.rd-tip a{display:inline-block;margin-top:8px;color:#9FE7FF;font-weight:700;text-underline-offset:3px}

/* next chapter */
.rd-next{max-width:var(--rd-measure);margin-top:clamp(30px,4vw,48px)}
.rd-next a{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border-radius:14px;background:var(--rd-panel);border:1px solid var(--rd-line);text-decoration:none;color:var(--rd-text);transition:border-color .2s,transform .2s}
.rd-next a:hover{border-color:var(--rd-accent);transform:translateY(-1px)}
.rd-next-l{font-family:"Inter",system-ui,sans-serif;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--rd-accent)}
.rd-next-t{font-family:"Inter",system-ui,sans-serif;font-size:16px;font-weight:700;line-height:1.3;color:var(--rd-text)}

/* end of the document */
.rd-end{margin-top:clamp(56px,8vw,96px);padding:clamp(22px,3vw,36px);max-width:var(--rd-measure);border-radius:20px;background:var(--rd-panel);border:1px solid var(--rd-line)}
.rd-end-t{font-family:"Inter",system-ui,sans-serif;font-size:20px;font-weight:800;margin:0 0 .3em!important}
.rd-doc .rd-end p{max-width:none}

/* ---------- tablet and phone ---------- */
@media (max-width:1000px){
  .rd-layout{grid-template-columns:minmax(0,1fr)}
  .rd-toc{position:static;max-height:none;margin-bottom:34px;overflow:visible}
  .rd-cover:has(.rd-cover-art) .rd-cover-in{grid-template-columns:minmax(0,1fr)}
  .rd-cover-art{order:-1;max-height:340px}
  .rd-cover-art img{height:340px;object-fit:cover;width:100%}
  /* with JS the contents become a sheet that a button opens */
  .rd-js .rd-toc{position:fixed;left:0;right:0;bottom:0;z-index:62;margin:0;max-height:72vh;overflow:auto;padding:18px 20px 26px;background:var(--rd-panel);
    border-radius:20px 20px 0 0;box-shadow:0 -24px 60px -20px rgba(11,16,32,.55);transform:translateY(105%);visibility:hidden;transition:transform .28s ease,visibility 0s .28s}
  .rd-js .rd-toc.is-open{transform:none;visibility:visible;transition:transform .28s ease}
  .rd-js .rd-toc a{padding:11px 10px 11px 14px;font-size:14px}
  .rd-js .rd-toc-btn{display:inline-flex;align-items:center;gap:8px;position:fixed;left:16px;bottom:16px;z-index:61;min-height:46px;padding:0 20px;border:0;border-radius:999px;background:var(--rd-text);color:#fff;
    font:inherit;font-size:15px;font-weight:700;box-shadow:0 14px 34px -14px rgba(11,16,32,.7);cursor:pointer}
  .rd-js .rd-toc-btn[hidden]{display:none}
  .rd-js .rd-toc-btn{bottom:22px;box-shadow:0 0 0 6px rgba(246,242,234,.85),0 14px 34px -14px rgba(11,16,32,.7)}
  .rd-js .rd-layout{padding-bottom:112px}
  .rd-js .rd-scrim{display:block;position:fixed;inset:0;z-index:60;background:rgba(11,16,32,.45)}
  .rd-js .rd-scrim[hidden]{display:none}
}
@media (max-width:720px){
  .rd-actions .rd-btn{flex:1 1 100%}
  .rd-title{font-size:clamp(40px,12vw,56px)}
  .rd-no{font-size:2.1em}
  .rd-tablewrap{margin-left:0;margin-right:0}
  .rd-table,.rd-table tbody,.rd-table tr,.rd-table td{display:block;width:100%}
  .rd-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .rd-table tr{margin:0 0 14px;border:1px solid var(--rd-line);border-radius:14px;overflow:hidden;background:var(--rd-panel)}
  .rd-table td,.rd-table td:first-child{width:100%;padding:12px 16px;border-bottom:0}
  .rd-table td:first-child{background:var(--rd-panel);font-weight:800;font-size:1em}
  .rd-table td[data-label]::before{content:attr(data-label);display:block;margin-bottom:3px;font-family:"Inter",system-ui,sans-serif;font-size:.74em;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--rd-muted)}
  .rd-table td:first-child::before{display:none}
}
@media (prefers-reduced-motion:reduce){
  .rd-next a,.rd-js .rd-toc,.rd-progress i{transition:none}
}

/* ---------- print: Ctrl+P gives a clean paper copy, no PDF needed ---------- */
@page{size:A4;margin:18mm 16mm 20mm}
@media print{
  :root{--rd-fs:10.5pt}
  html,body{background:#fff!important;color:#000}
  body::before,body::after,.spot{display:none!important}
  .skip,.site-head,.site-foot,.rd-progress,.rd-toc,.rd-toc-btn,.rd-scrim,.rd-actions,.rd-crumbs,.rd-next,.rd-end,.rd-cite-btn,.rd-cite-a,.rd-cover-art,.rd-meta,.rd-eyebrow{display:none!important}
  .rd-page{background:#fff!important;border:0!important}
  .rd-layout{display:block;padding:0;max-width:none}
  .rd-doc{font-size:10.5pt;line-height:1.5;hyphens:auto}
  .rd-doc p,.rd-doc ol,.rd-doc ul,.rd-doc .rd-sub,.rd-tfl,.rd-gloss{max-width:none}
  .rd-doc p{orphans:3;widows:3}
  .rd-cover{padding:0 0 12mm;border-bottom:0;page-break-after:always}
  .rd-cover-in{display:block}
  .rd-title{font-size:40pt}
  .rd-subtitle{font-size:16pt}
  .rd-cite{display:block;margin-top:10mm}
  .rd-cite-d > :not(summary){display:block!important}
  .rd-cite-d summary{display:none}
  .rd-cite-t{user-select:auto;font-size:9.5pt}
  .rd-sec + .rd-sec{margin-top:0}
  .rd-ch{page-break-before:always}
  .rd-summary,.rd-key{page-break-before:avoid}
  .rd-key{page-break-before:always;box-shadow:none;border-radius:0;background:#F6F2EA!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .rd-ch-head{border-top:0;padding-top:0;page-break-after:avoid;break-after:avoid}
  .rd-sub,.rd-h-plain{page-break-after:avoid;break-after:avoid}
  .rd-tfl,.rd-table tr,.rd-gl{page-break-inside:avoid;break-inside:avoid}
  .rd-tfl{background:#F6F2EA!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .rd-table th,.rd-table td{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .rd-term{text-decoration:none;cursor:auto}
  .rd-doc a{color:inherit;text-decoration:none}
  .rd-doc a[href^="http"]{text-decoration:underline}
  .rd-gloss{columns:2;column-gap:10mm}
  .rd-tip{display:none!important}
}