/* ОРЛС · TITAN — визуальный язык BOB OBJ («тетрадь маппера»):
   бумага в клетку, заголовки Unbounded, текст IBM Plex Sans, коды и цифры IBM Plex Mono, острые углы. */
:root{
  --bg:#0e1319; --paper:#151c24; --paper2:#1b232d; --ink:#e3e9ef; --muted:#93a2b1; --dim:#64727f;
  --rule:#26313c; --rule2:#344250;
  --accent:#7fb0ff; --accent-ink:#0e1319; --accent-soft:#1d2c42;
  --ok:#6fd3a0; --warn:#f0a868; --bad:#ff7a8a; --gold:#ffc857;
  --red:#ff4d5e; --blue:#4d8dff;
  --f-display:"Unbounded","IBM Plex Sans",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --r:6px;--wrap:1200px;--ease:cubic-bezier(.2,0,0,1);
  --gimg:url("data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 width=%2260%22 height=%2260%22 shape-rendering=%22crispEdges%22><rect x=%2212%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%231f2933%22/><rect x=%220%22 y=%2212%22 width=%2260%22 height=%221%22 fill=%22%231f2933%22/><rect x=%2224%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%231f2933%22/><rect x=%220%22 y=%2224%22 width=%2260%22 height=%221%22 fill=%22%231f2933%22/><rect x=%2236%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%231f2933%22/><rect x=%220%22 y=%2236%22 width=%2260%22 height=%221%22 fill=%22%231f2933%22/><rect x=%2248%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%231f2933%22/><rect x=%220%22 y=%2248%22 width=%2260%22 height=%221%22 fill=%22%231f2933%22/><rect x=%220%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%2327333f%22/><rect x=%220%22 y=%220%22 width=%2260%22 height=%221%22 fill=%22%2327333f%22/></svg>");
  --ui-focus-ring:var(--accent);--ui-check-on:var(--accent);--ui-check-border:var(--dim);--ui-check-hover:var(--muted);
  --ui-highlight:rgb(255 255 255 / .16);--ui-row-hover:rgba(127,176,255,.05);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#eef1f4; --paper:#ffffff; --paper2:#f6f8fa; --ink:#1c2833; --muted:#5b6b7a; --dim:#8996a3;
  --rule:#d5dce3; --rule2:#c3ccd5;
  --accent:#1f5fbf; --accent-ink:#ffffff; --accent-soft:#e3ecfa; --ok:#1d7a4c; --warn:#a4561a; --bad:#c0364a; --gold:#a87a00;
  --red:#d92c3d; --blue:#1f5fbf;
  --gimg:url("data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 width=%2260%22 height=%2260%22 shape-rendering=%22crispEdges%22><rect x=%2212%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%23e4eaf0%22/><rect x=%220%22 y=%2212%22 width=%2260%22 height=%221%22 fill=%22%23e4eaf0%22/><rect x=%2224%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%23e4eaf0%22/><rect x=%220%22 y=%2224%22 width=%2260%22 height=%221%22 fill=%22%23e4eaf0%22/><rect x=%2236%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%23e4eaf0%22/><rect x=%220%22 y=%2236%22 width=%2260%22 height=%221%22 fill=%22%23e4eaf0%22/><rect x=%2248%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%23e4eaf0%22/><rect x=%220%22 y=%2248%22 width=%2260%22 height=%221%22 fill=%22%23e4eaf0%22/><rect x=%220%22 y=%220%22 width=%221%22 height=%2260%22 fill=%22%23d3dce5%22/><rect x=%220%22 y=%220%22 width=%2260%22 height=%221%22 fill=%22%23d3dce5%22/></svg>");
  --ui-highlight:rgb(0 0 0 / .08);
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15.5px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:clip}
button,input,select,textarea{font:inherit;color:inherit}
svg{width:18px;height:18px;flex:none}
a{color:inherit}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:1.25em}
li{margin:4px 0}
h1,h2,h3{margin:0;color:var(--ink);text-wrap:balance}
h1{font:800 clamp(28px,3.4vw,42px)/1.08 var(--f-display);letter-spacing:-.005em}
h2{font:700 clamp(20px,2.2vw,26px)/1.15 var(--f-display)}
h3{font:600 17px/1.35 var(--f-body)}
b,strong{font-weight:600;color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:28px}
@media(max-width:600px){.wrap{padding-inline:16px}}
.muted{color:var(--muted)}.dim{color:var(--dim)}.small{font-size:14px;line-height:1.5}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;border-radius:var(--r);z-index:100}
.skip:focus{left:8px}
.paper-grid{background-color:var(--paper);background-image:var(--gimg);background-size:60px 60px}
.sr{position:absolute;left:-9999px}
::selection{background:var(--accent-soft)}
a.link{color:var(--accent);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}
a.link:hover{border-bottom-color:var(--accent)}

/* переходы между страницами */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out 160ms var(--ease) both}
::view-transition-new(root){animation:vt-in 300ms var(--ease) both}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(6px)}}
.hdr{view-transition-name:hdr}
@media(prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation-duration:1ms}}

/* ── шапка ── */
.hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--rule)}
.beacon{position:absolute;left:0;right:0;top:0;height:2px;display:flex;pointer-events:none}
.beacon i{flex:1;opacity:.25}
.beacon .r{background:var(--red);animation:beacon 2.4s ease-in-out infinite}
.beacon .b{background:var(--blue);animation:beacon 2.4s ease-in-out infinite 1.2s}
@keyframes beacon{0%,50%,100%{opacity:.2}10%,26%{opacity:1}18%{opacity:.45}}
[data-siren="off"] .beacon i{animation:none;opacity:.35}
@media(prefers-reduced-motion:reduce){.beacon i{animation:none;opacity:.35}}
.hdr__bar{position:relative;display:flex;align-items:center;gap:20px;padding:0 28px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand svg{width:34px;height:34px;color:var(--accent)}
.brand span{font:800 19px/1 var(--f-display);letter-spacing:.01em}
.brand span b{color:var(--accent);font-weight:800;margin-left:4px}
.nav{display:flex;align-self:stretch;gap:2px;margin-left:12px}
.nav a{display:inline-flex;align-items:center;padding:0 14px;color:var(--muted);font-weight:600;font-size:14.5px;text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px;transition:color 160ms var(--ease),border-color 160ms var(--ease)}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
.tools{margin-left:auto;display:flex;align-items:center;gap:6px}
.icon-btn{width:38px;height:38px;display:inline-grid;place-items:center;border-radius:var(--r);color:var(--muted);background:transparent;border:1px solid transparent;cursor:pointer;padding:0}
.icon-btn:hover{color:var(--ink);border-color:var(--rule2)}
.theme .i-moon{display:none}
:root[data-theme="light"] .theme .i-moon{display:block}
:root[data-theme="light"] .theme .i-sun{display:none}
.siren-toggle .ic-play{display:none}
[data-siren="off"] .siren-toggle .ic-play{display:block}
[data-siren="off"] .siren-toggle .ic-pause{display:none}
.hdr .burger{display:none}
@media(max-width:1100px){
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;margin:0;padding:6px 16px 12px;background:var(--bg);border-bottom:1px solid var(--rule);
    opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity 160ms var(--ease),transform 240ms var(--ease)}
  .nav[data-open]{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:12px 6px;border-bottom:1px solid var(--rule);margin:0;font-size:16px}
  .nav a:last-child{border-bottom:0}
  .nav a[aria-current="page"]{border-bottom-color:var(--rule);color:var(--accent)}
  .hdr .burger{display:inline-grid}
  .hdr .hdr__cta{display:none}
  .hdr__bar{padding:0 12px 0 16px;gap:10px}
}

/* ── кнопки ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:5px;font:600 13.5px/1 var(--f-mono);
  background:var(--paper);color:var(--ink);border:1px solid var(--rule2);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn--primary:hover{filter:brightness(1.08)}
.btn--ghost{background:transparent;color:var(--accent);border-color:var(--accent)}
.btn--lg{height:46px;padding:0 20px;font-size:14px}
.btn--sm{height:34px;padding:0 12px;font-size:12.5px}
.btn svg{width:16px;height:16px}

/* ── первый экран и шапки страниц ── */
.sheet{position:relative;margin:24px auto 0;max-width:calc(var(--wrap) - 56px);border:1px solid var(--rule);border-radius:var(--r);overflow:hidden}
@media(max-width:1260px){.sheet{margin-inline:28px}}
@media(max-width:600px){.sheet{margin-inline:16px}}
.sheet::before,.sheet::after{content:"";position:absolute;width:12px;height:12px;border-color:var(--rule2);border-style:solid;pointer-events:none}
.sheet::before{left:10px;bottom:10px;border-width:0 0 1.5px 1.5px}
.sheet::after{right:10px;bottom:10px;border-width:0 1.5px 1.5px 0}
.hero__in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;padding:56px 48px}
@media(max-width:980px){.hero__in{grid-template-columns:1fr;padding:34px 22px;gap:26px}}
.hero h1{font-size:clamp(32px,4.6vw,56px);line-height:1.04}
.lead{font-size:17px;color:var(--muted);max-width:44ch;margin:18px 0 0}
.hero .lead{margin-bottom:28px}
.hero .actions{margin-top:0}
.kicker{font:500 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.kicker a{color:var(--accent);text-decoration:none}
.kicker svg{width:12px;height:12px;color:var(--dim)}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.phead__in{padding:40px 40px 32px}
@media(max-width:700px){.phead__in{padding:26px 20px 22px}}

.radio{background:var(--bg);border:1px solid var(--rule2);border-radius:var(--r);overflow:hidden}
.radio__head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--rule);font:500 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.radio__head .fx-led{color:var(--ok)}
.radio__head .freq{margin-left:auto;color:var(--dim)}
.radio__log{padding:14px;min-height:210px;display:flex;flex-direction:column;gap:10px;font:400 13.5px/1.55 var(--f-mono)}
.radio__line{display:grid;grid-template-columns:46px 1fr;gap:10px}
.radio__line time{color:var(--dim)}
.radio__line.typing span::after{content:"";display:inline-block;width:.55em;height:1.05em;margin-left:2px;vertical-align:-2px;background:var(--accent);animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}

/* ── блоки страниц ── */
main{padding-bottom:64px}
.blk{padding-top:48px}
.blk-head{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;border-bottom:2px solid var(--ink);padding-bottom:10px;margin-bottom:18px}
.blk-head p{margin:0 0 3px auto;color:var(--muted);font-size:14px;max-width:52ch}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding-top:48px}
.grid2 > .blk{padding-top:0}
@media(max-width:860px){.grid2{grid-template-columns:1fr}}
.panel{background:var(--paper);border:1px solid var(--rule);border-radius:var(--r);padding:22px}
.panel > .blk-head{border-bottom-width:1px;border-bottom-color:var(--rule)}
.panel > .blk-head h2{font-size:18px}
.md > :last-child{margin-bottom:0}
.md h3{margin:22px 0 8px}
.md h3:first-child{margin-top:0}

.route{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(var(--cols,5),minmax(0,1fr));border:1px solid var(--rule);border-radius:var(--r);background:var(--paper);overflow:hidden}
.route li{margin:0;padding:20px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.route li[data-end]{border-right:0}
.route li[data-lastrow]{border-bottom:0}
.route .n{font:600 13px/1 var(--f-mono);color:var(--dim);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.route .n::after{content:"";flex:1;height:1px;background:var(--rule2)}
.route h3{margin-bottom:6px}
.route p{margin:0;color:var(--muted);font-size:14px}
.route li.hot .n{color:var(--accent)}
.route li.hot .n::after{background:var(--accent);opacity:.5}
@media(max-width:980px){.route{grid-template-columns:1fr}.route li{border-right:0;border-bottom:1px solid var(--rule)}.route li:last-child{border-bottom:0}}

.cmds{display:flex;flex-direction:column;gap:8px}
.cmd{display:flex;align-items:center;gap:12px;padding:8px 8px 8px 14px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 5px 5px 0;min-height:48px;margin:0}
.md .cmd{margin:12px 0}
.cmd code{flex:1;font:500 13.5px/1.5 var(--f-mono);color:var(--ink);white-space:pre-wrap;word-break:break-word}
.copy{border:1px solid var(--rule2);background:var(--paper);color:var(--muted)}
.copy:hover{color:var(--accent);border-color:var(--accent)}
.copy .ui-swap svg{width:16px;height:16px}
.note{color:var(--muted);font-size:14px;margin:12px 0 0}

.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th,.tbl td{text-align:left;padding:10px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.tbl th{font:500 11.5px var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tbl td + td,.tbl th + th{padding-left:18px}
.tbl tr:last-child td{border-bottom:0}
.tblwrap{overflow-x:auto}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;background:var(--rule);gap:1px}
.facts div{padding:18px 20px;background:var(--paper)}
.facts .v{font:800 28px/1.1 var(--f-display);font-variant-numeric:tabular-nums;margin-bottom:4px}
.facts .k{font:500 11.5px var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}

.callout{display:flex;gap:12px;padding:14px 16px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 5px 5px 0;font-size:14.5px;margin:16px 0}
.callout > svg{width:18px;height:18px;margin-top:2px;color:var(--accent)}
.callout p:last-child{margin:0}
.callout--warn{border-color:var(--warn);background:color-mix(in srgb,var(--warn) 12%,transparent)}.callout--warn > svg{color:var(--warn)}
.callout--bad{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 11%,transparent)}.callout--bad > svg{color:var(--bad)}
.callout--ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 11%,transparent)}.callout--ok > svg{color:var(--ok)}
.blk > .callout:first-child{margin-top:0}

.doc{display:grid;grid-template-columns:230px minmax(0,1fr);gap:40px;padding-top:36px;align-items:start}
@media(max-width:980px){.doc{grid-template-columns:1fr;gap:18px}}
.toc{position:sticky;top:84px;display:flex;flex-direction:column}
.toc-head{font:600 14px var(--f-display);padding:0 4px 8px;border-bottom:2px solid var(--ink);margin-bottom:6px}
.toc a{text-decoration:none;color:var(--muted);padding:7px 8px;border-radius:5px;font-size:14px;transition:background-color 160ms,color 160ms}
.toc a:hover{background:var(--paper);color:var(--ink)}
.toc a[aria-current="true"]{background:var(--accent-soft);color:var(--ink);font-weight:600}
@media(max-width:980px){.toc{position:static;flex-direction:row;flex-wrap:wrap;gap:6px}.toc-head{display:none}.toc a{border:1px solid var(--rule2);padding:5px 10px;font-size:13px}}
.prose{max-width:76ch}
.prose > section + section{margin-top:44px}
.prose h2{margin:0 0 14px;padding-bottom:8px;border-bottom:2px solid var(--ink);scroll-margin-top:84px}
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}
@supports (animation-timeline:scroll()){.read-progress{animation:rp linear both;animation-timeline:scroll(root)}@keyframes rp{to{transform:scaleX(1)}}}

.laws{background:var(--paper);border:1px solid var(--rule);border-radius:var(--r);padding:26px}
.law{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;padding:24px 0;border-top:1px solid var(--rule)}
.law:first-child{border-top:0;padding-top:0}
.law:last-child{padding-bottom:0}
.law h2{font-size:19px;margin-bottom:10px}
.law .tag{display:block;font:500 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.law ul{margin:0}
@media(max-width:860px){.law{grid-template-columns:1fr;gap:10px}.laws{padding:18px}}
.ilink{color:var(--accent);text-decoration:none;font:600 13px var(--f-mono);display:inline-flex;align-items:center;gap:6px}
.ilink svg{width:15px;height:15px;transition:transform 200ms var(--ease)}
@media(hover:hover) and (pointer:fine){.ilink:hover svg{transform:translate(2px,-2px)}}

.disc{border:1px solid var(--rule);border-radius:var(--r);background:var(--paper)}
.disc + .disc{margin-top:8px}
.disc summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:14px 18px;font-weight:600;border-radius:var(--r)}
.disc summary::-webkit-details-marker{display:none}
.disc summary svg{width:16px;height:16px;color:var(--accent);transition:transform 240ms var(--ease)}
.disc[open] summary svg{transform:rotate(90deg)}
.disc summary .cnt{margin-left:auto;font:500 12px var(--f-mono);color:var(--dim)}
.disc__body{padding:0 18px 14px 44px}
.disc__body ol{margin:0}

.ftr{border-top:1px solid var(--rule);padding:18px 0 28px;color:var(--dim);font-size:12.5px}
.ftr .wrap{display:flex;justify-content:space-between;gap:6px 18px;flex-wrap:wrap}

.endcta{margin-top:48px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 28px;border:1px solid var(--rule);border-radius:var(--r);flex-wrap:wrap}
.endcta h2{font-size:22px}
h1,h2{overflow-wrap:break-word;hyphens:auto}
@media(max-width:600px){.phead__in h1{font-size:clamp(22px,6.4vw,34px)}.hero h1{font-size:clamp(26px,8vw,40px)}}