@font-face{font-family:"Signal Sans";src:url("/static/type/signal-sans.woff") format("woff");font-weight:100 900;font-display:swap}
@font-face{font-family:"Signal Mono";src:url("/static/type/signal-mono.woff") format("woff");font-weight:100 800;font-display:swap}
:root{
--ink:#050b14;--ink-2:#07111d;--panel:#081320;--panel-2:#0a1828;--rule:#15283c;--rule-2:#1d3a55;
--text:#eaf4ff;--soft:#b4c6d8;--mute:#8ea4ba;--blue:#0b9eff;--blue-hi:#3cb4ff;--blue-btn:#0a66ff;--blue-deep:#0b3a6b;
--ok:#22d07a;--amber:#f5b52e;--red:#ff6b6b;--teal:#3fe0c5;
--sans:"Signal Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Signal Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
--wrap:1640px;--gut:clamp(16px,2.2vw,32px);--r:8px;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--ink);color:var(--text);font:400 16px/1.6 var(--sans);overflow-x:clip}
img,svg{max-width:100%}
a{color:var(--blue-hi);text-underline-offset:3px}
a:hover{color:#7fd0ff}
:focus-visible{outline:2px solid #6fd0ff;outline-offset:3px;border-radius:3px}
main:focus{outline:none}
button,input,textarea,select{font:inherit;color:inherit}
code,kbd,pre{font-family:var(--mono)}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:#fff;color:#000;padding:10px 14px;border-radius:6px;font-weight:700}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
.muted{color:var(--mute)}

/* ---------- masthead ---------- */
.mast{position:sticky;top:0;z-index:50;background:rgba(4,9,17,.96);border-bottom:1px solid var(--rule);backdrop-filter:blur(8px)}
.mast-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);height:72px;display:flex;align-items:center;gap:clamp(14px,2vw,40px)}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;flex:none}
.brand:hover{color:var(--text)}
.brand .mark{width:36px;height:29px;fill:var(--blue);stroke:none}
.brand .word{font-weight:800;font-size:23px;letter-spacing:.06em;line-height:1;white-space:nowrap}
.brand .word b{color:var(--blue);font-weight:800}
.primary{flex:0 1 auto;min-width:0;margin-right:auto}
.nav{display:flex;align-items:center;gap:clamp(12px,2.2vw,38px);list-style:none;margin:0;padding:0}
.nav>li{position:relative;display:flex;align-items:center}
.nav a{color:#e3eefa;text-decoration:none;font-size:15px;font-weight:500;white-space:nowrap;padding:8px 0}
.nav a:hover,.nav a[aria-current="page"]{color:var(--blue-hi)}
.caret{background:none;border:0;padding:6px 2px;margin-left:2px;color:#cfe0f0;cursor:pointer;display:inline-flex}
.caret svg{width:16px;height:16px;transition:transform .15s}
.caret[aria-expanded="true"] svg{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 12px);left:-16px;min-width:250px;list-style:none;margin:0;padding:8px;background:#0a1626;border:1px solid var(--rule-2);border-radius:8px;box-shadow:0 18px 40px rgba(0,0,0,.55);display:none}
.sub.open{display:block}
.sub a{display:block;padding:9px 12px;border-radius:5px;font-size:14px;white-space:normal}
.sub a:hover{background:#0f2238}
.finder{position:relative;display:flex;align-items:center;gap:10px;flex:0 1 305px;min-width:170px;width:auto;height:44px;padding:0 12px;border:1px solid var(--rule-2);border-radius:7px;background:#08121f;flex:none}
.finder>svg{width:18px;height:18px;color:#cfe0f0;flex:none}
.finder input{flex:1;min-width:0;background:none;border:0;outline:0;font-size:14px;color:var(--text)}
.finder input::placeholder{color:#9bb0c4}
.finder:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,158,255,.2)}
.finder kbd{font-size:11px;color:#9bb0c4;border:1px solid var(--rule-2);border-radius:4px;padding:2px 6px;white-space:nowrap}
.finder-pop{position:absolute;top:calc(100% + 8px);right:0;width:min(440px,92vw);max-height:70vh;overflow:auto;background:#0a1626;border:1px solid var(--rule-2);border-radius:8px;box-shadow:0 20px 50px rgba(0,0,0,.6);padding:10px}
.finder-status{margin:4px 6px 8px;font-size:13px;color:var(--mute)}
.finder-list{list-style:none;margin:0;padding:0}
.finder-list a{display:block;padding:10px;border-radius:6px;text-decoration:none;color:var(--text)}
.finder-list a:hover,.finder-list a[aria-selected="true"]{background:#10243b}
.finder-list b{display:block;font-weight:600;font-size:15px}
.finder-list span{display:block;font-size:12px;color:var(--mute)}
.cta-top{flex:none;background:var(--blue-btn);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:11px 20px;border-radius:7px;border:1px solid #2f86ff}
.cta-top:hover{background:#1774ff;color:#fff}
.nav .nav-contact{display:none}
.burger{display:none;align-items:center;gap:8px;background:none;border:1px solid var(--rule-2);border-radius:7px;color:var(--text);padding:9px 12px;cursor:pointer}
.burger svg{width:20px;height:20px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(16px,1.2vw,24px);padding-top:20px;padding-bottom:16px;align-items:start}
.tag-line{display:inline-block;margin:0 0 12px;font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#b9cbe0;background:#0d1a2b;border:1px solid var(--rule-2);border-left:2px solid var(--blue);padding:6px 10px;border-radius:3px}
.hero h1{margin:0;font-weight:700;font-size:clamp(30px,2.78vw,54px);line-height:1.1;letter-spacing:-.005em}
.hero h1 .br{display:block}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-lede{margin:12px 0 18px;max-width:720px;color:var(--soft);font-size:clamp(15.5px,1.08vw,18px);line-height:1.5}
.hero-cta{display:flex;flex-wrap:wrap;gap:22px}
.btn{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:11px 22px;border-radius:5px;font-weight:600;font-size:16px;text-decoration:none}
.btn svg{width:20px;height:20px}
.btn-solid{background:var(--blue-btn);color:#fff;border:1px solid #2f86ff}
.btn-solid:hover{background:#1774ff;color:#fff}
.btn-line{color:var(--text);border:1px solid #3b4d61;background:transparent}
.btn-line:hover{border-color:var(--blue);color:#fff}
.stats{display:flex;flex-wrap:wrap;margin:20px 0 0;padding:0}
.stats div{padding:0 clamp(16px,2vw,32px);border-left:1px solid var(--rule-2)}
.stats div:first-child{padding-left:0;border-left:0}
.stats dt{font-weight:700;font-size:20px;color:var(--blue-hi);line-height:1.2}
.stats dd{margin:2px 0 0;color:var(--soft);font-size:14px}
.flow-card{position:relative;border:1px solid var(--rule-2);border-radius:var(--r);padding:6px 10px 10px;background:
 linear-gradient(rgba(19,140,211,.05) 1px,transparent 1px) 0 0/26px 26px,
 linear-gradient(90deg,rgba(19,140,211,.05) 1px,transparent 1px) 0 0/26px 26px,
 radial-gradient(ellipse at 62% 42%,#0b2c50 0%,#071222 62%,#060f1c 100%);box-shadow:0 0 0 1px rgba(11,158,255,.06),0 0 42px rgba(11,158,255,.08)}
.flow-svg{display:block;width:100%;height:auto}
.flow-svg text{font-family:var(--sans);fill:#e4f0ff;stroke:none}
.flow-svg .f-title{font-family:var(--mono);font-size:15px;letter-spacing:.06em;fill:#4fbcff}
.flow-svg .f-rule{stroke:#1f4f78;stroke-width:1}
.flow-svg .f-box{fill:#08182b;stroke:#2a8be0;stroke-width:1.6}
.flow-svg .f-label{font-size:13.5px;font-weight:500}
.flow-svg .f-small{font-size:12px;fill:#b8cbe0}
.flow-svg .f-step rect{fill:#0a1d33;stroke:#2a7fd0;stroke-width:1.2}
.flow-svg .f-step text{font-size:10.8px;font-family:var(--mono);fill:#e2efff}
.flow-svg .f-ico{stroke:#4cb8ff;stroke-width:1.6}
.flow-svg .f-dot{fill:#4cb8ff;stroke:none}
.flow-svg .f-line{stroke:#2f9cff;stroke-width:1.5}
.flow-svg .f-head{fill:none;stroke:#2f9cff;stroke-width:1.6}
.flow-svg .f-line-soft{stroke:#2b6aa8;stroke-width:1.2;fill:none}
.flow-svg .f-win{fill:#0a1e36;stroke:#2f8de6;stroke-width:1.4}
.flow-svg .f-win-2{fill:#091a2f;opacity:.85}
.flow-svg .f-win-3{fill:#08172a;opacity:.7}
.flow-svg .f-db{stroke-width:2.2}
.flow-svg .f-stage circle{fill:#bfe6ff;stroke:#1f8fff;stroke-width:4}
.flow-svg .f-stage text{font-size:12px;text-anchor:middle;fill:#c7d9ec}
.flow-svg .f-stage .f-stage-name{font-size:13.5px;fill:#eaf4ff;font-weight:500}
.flow-list{display:none;list-style:none;margin:0;padding:0}
.flow-note{margin:2px 6px 0;font-size:12px;color:var(--mute)}

/* ---------- panels ---------- */
.panels{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(0,.73fr) minmax(0,1fr);gap:14px;padding-top:6px;padding-bottom:14px}
.panel{min-width:0;background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r);display:flex;flex-direction:column}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 16px;border-bottom:1px solid var(--rule);min-height:48px;flex-wrap:wrap}
.panel-head h2{margin:0;font-size:16px;font-weight:600;display:flex;align-items:center;gap:10px}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(34,208,122,.2)}
.ph-ico{width:20px;height:20px;color:var(--blue)}
.panel-flag{font-size:12px;color:#d9c48a;border:1px solid #4a4128;background:#191710;border-radius:4px;padding:2px 8px}
.panel-link{font-size:13px;text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.panel-link svg,.panel-foot svg,.lib-all svg{width:15px;height:15px}
.panel-foot{margin:auto 0 0;padding:7px 16px 8px;font-size:12px;border-top:1px solid var(--rule);line-height:1.45}
.panel-foot a{text-decoration:none;display:inline-flex;gap:4px;align-items:center}
.scroll-x{overflow-x:auto}
.log{width:100%;border-collapse:collapse;font:12.5px/1.2 var(--mono);white-space:nowrap;margin:6px 0}
.log th{font-weight:500;color:#7fa2c2;text-align:left;font-size:11.5px;padding:9px 12px 6px;text-transform:uppercase;letter-spacing:.05em}
.log td{padding:6px 10px;border-top:1px solid #0f2134;color:#cddcec;line-height:1.3}
.log td:nth-child(3){color:#dfeeff}
.log td:last-child{text-align:right;color:#cddcec}
.log .s2{color:var(--ok);font-weight:600}.log .s3{color:var(--amber);font-weight:600}.log .s4{color:var(--red);font-weight:600}
.diag-url{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 14px 4px;padding:9px 12px;background:#0b1828;border:1px solid var(--rule);border-radius:5px}
.diag-url code{font-size:14px;color:#eaf4ff;overflow-wrap:anywhere}
.ok-badge{font-size:12.5px;color:#7ff0b0;background:#0e3324;border:1px solid #1f7a4c;border-radius:4px;padding:3px 10px;white-space:nowrap}
.diag{width:calc(100% - 28px);margin:4px 14px 6px;border-collapse:collapse;font-size:13.5px}
.diag th{font-weight:400;color:#d1dfee;text-align:left;padding:4px 8px;width:36%}
.diag td{padding:4px 8px;color:#dce9f6;border-top:1px solid #0f2134;overflow-wrap:anywhere}
.diag th{border-top:1px solid #0f2134}
.diag td:last-child{width:28px;text-align:center}
.mark-ok::before,.mark-warn::before{content:"";display:inline-block;width:16px;height:16px;vertical-align:middle}
.mark-ok::before{background:no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m4 12.5 5 5L20 6.5' fill='none' stroke='%2322d07a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.mark-warn::before{border-radius:50%;background:var(--amber) no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 5v9M12 18v1' fill='none' stroke='%23201500' stroke-width='3.5' stroke-linecap='round'/%3E%3C/svg%3E")}
.tabs{display:flex;border:1px solid var(--rule-2);border-radius:6px;overflow:hidden}
.tabs button{background:#0a1626;border:0;border-left:1px solid var(--rule-2);color:#b7c9db;font-size:12px;padding:6px 10px;cursor:pointer}
.tabs button:first-child{border-left:0}
.tabs button[aria-selected="true"]{background:#0e2f55;color:#fff}
.tabview{overflow:auto;max-height:250px}
.code{margin:0;padding:8px 0;font:11.5px/1.45 var(--mono);color:#cfe3f7;counter-reset:ln;white-space:pre;tab-size:2}
.code .ln{display:block;padding-right:14px}
.code .ln::before{counter-increment:ln;content:counter(ln);display:inline-block;width:38px;margin-right:12px;text-align:right;color:#4f6a85;user-select:none}
.code .tg{color:#5cc0ff}.code .at{color:#9ad2ff}.code .st{color:#ffd27a}.code .c-warn{color:var(--amber)}.code .c-error{color:var(--red)}

.log thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* ---------- library / cards ---------- */
.library{padding-top:10px;padding-bottom:34px}
.lib-head{display:flex;align-items:center;flex-wrap:wrap;gap:12px 22px;margin-bottom:16px}
.lib-head h2{margin:0;font-size:clamp(23px,1.8vw,28px);font-weight:600;display:flex;align-items:center;gap:12px}
.lib-head h2 svg{width:30px;height:30px;color:var(--blue);fill:rgba(11,158,255,.25)}
.lib-head p{margin:0;color:var(--soft);font-size:14.5px;flex:1;min-width:240px}
.lib-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters button,.lib-search{background:#0a1626;border:1px solid var(--rule-2);border-radius:6px;color:#c9d9e9;font-size:13.5px;padding:9px 15px;cursor:pointer;min-height:40px}
.filters button[aria-pressed="true"]{background:#0b4a8a;border-color:#1e8bff;color:#fff}
.filters button:hover,.lib-search:hover{border-color:var(--blue)}
.lib-search{display:inline-flex;align-items:center;padding:9px 12px}
.lib-search svg{width:18px;height:18px}
.cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.page .cards,.guide .cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{position:relative;min-width:0;padding:14px 16px 16px;border:1px solid var(--rule-2);border-radius:var(--r);background:linear-gradient(140deg,#0a1729 0%,#07111d 70%);display:flex;flex-direction:column;overflow:hidden}
.card:hover{border-color:#2a72b8}
.card-top{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.pill{display:inline-block;font:500 11px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:6px 8px;border-radius:4px;border:1px solid;white-space:nowrap}
.pill-crawl{color:#7ff0b0;border-color:#1f7a4c;background:#0b2a1e}
.pill-index{color:#a9c8ff;border-color:#3557a8;background:#101e40}
.pill-render{color:#7fd6ff;border-color:#1e78b8;background:#0a2440}
.pill-tech{color:#87e6f0;border-color:#1f6f80;background:#0a2630}
.pill-intl{color:#e5c3ff;border-color:#6a3f9e;background:#22143a}
.card-time{font:400 11.5px/1 var(--mono);color:#8fa7bf;text-transform:uppercase;letter-spacing:.04em}
.card .art{position:absolute;right:10px;top:40px;width:80px;height:62px;color:#2b78c2;opacity:.75;stroke-width:1.3}
.card h3{margin:16px 0 8px;font-size:17px;line-height:1.3;font-weight:600;max-width:calc(100% - 92px);position:relative;z-index:1}
.card h3 a{color:var(--text);text-decoration:none}
.card h3 a::after{content:"";position:absolute;inset:-200px -400px -400px -400px}
.card h3 a:hover{color:var(--blue-hi)}
.card p{margin:0 0 18px;color:var(--soft);font-size:14px;line-height:1.5}
.card-go{position:absolute;right:14px;bottom:12px;color:var(--blue)}
.card-go svg{width:18px;height:18px}
.card:focus-within{outline:2px solid #6fd0ff;outline-offset:2px}
.card h3 a:focus-visible{outline:none}
.lib-grid:not(.filtered) .card.extra{display:none}
.card[hidden]{display:none!important}
.lib-all{margin:16px 0 0;text-align:right;font-size:14px}
.lib-all a{text-decoration:none;display:inline-flex;align-items:center;gap:6px}

/* ---------- inner pages ---------- */
.page,.guide{padding-top:20px;padding-bottom:56px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0 0 18px;padding:0;font-size:13.5px;color:var(--mute)}
.crumbs li+li::before{content:"/";margin-right:6px;color:#3e5670}
.crumbs a{color:#a9c4de;text-decoration:none}
.crumbs a:hover{color:var(--blue-hi)}
.p-head{max-width:900px;margin-bottom:26px}
.eyebrow{margin:0 0 8px;font:500 12px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#7fc4ff}
.p-head h1,.g-head h1{margin:0 0 12px;font-size:clamp(32px,3.2vw,50px);line-height:1.12;font-weight:700;overflow-wrap:break-word}
.lede,.g-lede{font-size:clamp(17px,1.25vw,20px);line-height:1.55;color:#cad9e8;margin:0;max-width:880px}
.g-head{max-width:1000px;margin-bottom:24px}
.g-head .pill{margin-bottom:14px}
.g-meta{display:flex;flex-wrap:wrap;gap:10px 30px;margin:20px 0 0;padding:14px 0 0;border-top:1px solid var(--rule)}
.g-meta div{display:flex;flex-direction:column}
.g-meta dt{font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#7f99b3}
.g-meta dd{margin:0;font-size:14.5px;color:#dce9f6}
.g-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(24px,3vw,48px);align-items:start}
.g-main{min-width:0;max-width:820px}
.g-side{position:sticky;top:96px;display:grid;gap:14px}
.toc,.side-card{background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r);padding:16px 18px}
.toc h2,.side-card h2{margin:0 0 10px;font:600 12px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#7fc4ff}
.toc ol{margin:0;padding-left:20px;font-size:14px;line-height:1.45}
.toc li{margin:7px 0}
.toc a{color:#d6e5f3;text-decoration:none}
.toc a:hover{color:var(--blue-hi)}
.side-card p{margin:0;font-size:13.5px;color:var(--soft)}
.keypoints{background:linear-gradient(135deg,#0a1d33,#081422);border:1px solid #1f4a72;border-left:3px solid var(--blue);border-radius:var(--r);padding:16px 22px;margin-bottom:28px}
.keypoints h2{margin:0 0 8px;font:600 13px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#7fc4ff}
.keypoints ul{margin:0;padding-left:20px}
.keypoints li{margin:6px 0;color:#e2eef9}
.prose{font-size:17px;line-height:1.75;color:#d4e2ef;overflow-wrap:break-word}
.page .prose{max-width:860px}
.prose h2{font-size:clamp(23px,1.7vw,28px);line-height:1.25;margin:40px 0 12px;color:#f1f8ff;font-weight:650;scroll-margin-top:90px}
.prose h3{font-size:20px;margin:28px 0 8px;color:#e8f3ff;font-weight:600}
.prose p,.prose ul,.prose ol{margin:0 0 16px}
.prose li{margin:6px 0}
.prose strong{color:#f3f9ff}
.prose code{font-size:.88em;background:#0c1b2d;border:1px solid #17304a;border-radius:4px;padding:1px 5px;color:#a9dcff;overflow-wrap:anywhere}
.prose pre{background:#050f1b;border:1px solid var(--rule-2);border-radius:var(--r);padding:14px 16px;overflow-x:auto;font-size:13.5px;line-height:1.6;color:#cfe3f7;margin:0 0 18px}
.prose pre code{background:none;border:0;padding:0;font-size:inherit;overflow-wrap:normal}
.prose .code{padding:12px 0}
.prose blockquote{margin:0 0 18px;padding:12px 18px;border-left:3px solid var(--blue);background:#0a1828;color:#dbe8f5}
.tablewrap{overflow-x:auto;margin:0 0 20px;border:1px solid var(--rule-2);border-radius:var(--r)}
.prose table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5}
.prose caption{caption-side:top;text-align:left;padding:10px 14px;font-size:13.5px;color:var(--mute);border-bottom:1px solid var(--rule)}
.prose th,.prose td{padding:10px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--rule)}
.prose thead th{background:#0b1a2c;color:#cfe5fb;font-weight:600;border-top:0}
.prose tbody th{font-weight:600;color:#e6f1fc}
.note,.example{border-radius:var(--r);padding:14px 18px;margin:0 0 18px;font-size:15.5px}
.note{background:#0a1b2e;border:1px solid #1f4a72}
.example{background:#14130c;border:1px solid #4a4128}
.example>strong:first-child,.note>strong:first-child{display:block;font:600 12px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}
.example>strong:first-child{color:#e9cf86}
.note>strong:first-child{color:#7fc4ff}
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding-left:30px}
.checklist li::before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border:1.5px solid #3b8fe0;border-radius:4px}
details.ask{border:1px solid var(--rule-2);border-radius:var(--r);background:var(--ink-2);margin:0 0 10px;padding:0 16px}
details.ask summary{cursor:pointer;padding:13px 0;font-weight:600;color:#eef6ff;list-style-position:outside}
details.ask[open] summary{border-bottom:1px solid var(--rule);margin-bottom:10px}
details.ask p{margin:0 0 14px}
.diagram{margin:0 0 22px;padding:14px;background:#06101d;border:1px solid var(--rule-2);border-radius:var(--r)}
.diagram svg{display:block;width:100%;height:auto}
.diagram figcaption{font-size:13.5px;color:var(--mute);margin-top:8px}
.sources{margin-top:36px;padding:18px 22px;background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r)}
.sources h2{margin:0 0 10px;font-size:18px}
.sources ul{margin:0;padding-left:20px;font-size:15px;line-height:1.55}
.sources li{margin:6px 0}
.sources span{color:var(--mute);font-size:13.5px}
.src-note{margin:12px 0 0;font-size:13px;color:var(--mute)}
.related{margin-top:48px}
.related h2{font-size:22px;margin:0 0 14px}
.hub-intro{max-width:880px}
.hub-section{margin-top:38px}
.hub-section>h2{font-size:24px;margin:0 0 6px}
.hub-section>p{color:var(--soft);margin:0 0 16px;max-width:820px}
.empty-state{border:1px dashed var(--rule-2);border-radius:var(--r);padding:20px 22px;color:var(--soft);background:#06101b}

/* ---------- tools ---------- */
.tool{background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r);padding:clamp(16px,2vw,26px);margin:0 0 22px}
.tool label,.tool legend{display:block;font-weight:600;color:#dbeafa;margin:0 0 6px}
.tool input[type=text],.tool textarea{width:100%;background:#040c17;border:1px solid #2a4b6b;border-radius:6px;padding:11px 12px;color:var(--text);font:14px/1.55 var(--mono)}
.tool textarea{resize:vertical;min-height:220px}
.tool input:focus,.tool textarea:focus{border-color:var(--blue);outline:2px solid rgba(11,158,255,.35);outline-offset:0}
.tool-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}
.tool-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tool-actions button{min-height:44px;padding:10px 18px;border-radius:6px;border:1px solid #2f86ff;background:var(--blue-btn);color:#fff;font-weight:600;cursor:pointer}
.tool-actions button.ghost{background:transparent;border-color:#3b4d61;color:var(--text)}
.verdict{margin:16px 0 8px;padding:12px 16px;border-radius:6px;border-left:4px solid var(--blue);background:#0b2038;font-weight:600;font-size:17px}
.verdict.v-allow{border-left-color:var(--ok)}
.verdict.v-block{border-left-color:var(--red)}
.trace{font-size:14.5px;color:var(--soft)}
.trace ul{padding-left:20px;margin:6px 0}
.trace code{font-size:13px}
.audit{border:0;margin:0;padding:0}
.audit-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--rule);font-size:15.5px;color:#dce9f6;cursor:pointer}
.audit-item:first-of-type{border-top:0}
.audit-item input{width:20px;height:20px;margin-top:3px;accent-color:var(--blue);flex:none}
.audit-item small{display:block;color:var(--mute);font-size:13.5px}
.meter{display:flex;align-items:center;gap:12px;margin:16px 0 4px}
.meter-track{flex:1;height:10px;border-radius:6px;background:#10263b;overflow:hidden}
.meter-fill{height:100%;width:0;background:linear-gradient(90deg,#0a66ff,#3cb4ff);transition:width .2s}
.w0{width:0}.w1{width:7.14%}.w2{width:14.28%}.w3{width:21.42%}.w4{width:28.57%}.w5{width:35.71%}.w6{width:42.85%}.w7{width:50%}.w8{width:57.14%}.w9{width:64.28%}.w10{width:71.42%}.w11{width:78.57%}.w12{width:85.71%}.w13{width:92.85%}.w14{width:100%}
.tool-msg{min-height:1.4em;font-size:14px;color:#9fd8ff;margin:10px 0 0}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(20px,3vw,44px);align-items:start}
.form-card{background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r);padding:clamp(16px,2vw,26px)}
.form-card .field{margin:0 0 16px}
.form-card label{display:block;font-weight:600;margin:0 0 6px;color:#dbeafa}
.form-card label small{font-weight:400;color:var(--mute)}
.form-card input[type=text],.form-card input[type=email],.form-card select,.form-card textarea{width:100%;background:#040c17;border:1px solid #2a4b6b;border-radius:6px;padding:11px 12px;color:var(--text);font-size:16px}
.form-card textarea{min-height:170px;resize:vertical}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--blue);outline:2px solid rgba(11,158,255,.35);outline-offset:0}
.form-card .agree{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--soft);font-size:14.5px}
.form-card .agree input{width:20px;height:20px;margin-top:2px;accent-color:var(--blue);flex:none}
.form-card button{min-height:46px;padding:11px 24px;border-radius:6px;border:1px solid #2f86ff;background:var(--blue-btn);color:#fff;font-weight:600;font-size:16px;cursor:pointer}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.flash{border-radius:6px;padding:12px 16px;margin:0 0 18px;font-weight:500}
.flash-ok{background:#0b2c1e;border:1px solid #1f7a4c;color:#c9f7df}
.flash-bad{background:#2c1214;border:1px solid #8a3036;color:#ffd5d8}
.mail-card{background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r);padding:20px}
.mail-card h2{margin:0 0 8px;font-size:18px}
.mail-card p{margin:0 0 10px;color:var(--soft);font-size:15px}
.mail-card .addr{font:600 16px/1.4 var(--mono);overflow-wrap:anywhere}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--rule);background:#040910;margin-top:10px}
.foot-in{max-width:var(--wrap);margin:0 auto;padding:36px var(--gut) 24px;display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:28px}
.foot-brand .word{font-size:19px}
.foot-brand p{color:var(--soft);font-size:14px;max-width:440px;margin:14px 0 0}
.foot-note{font-size:13px!important;color:var(--mute)!important}
.foot h2{font:600 12px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#7fc4ff;margin:4px 0 12px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:0 0 8px}
.foot li a{color:#d3e2f1;text-decoration:none;font-size:14.5px}
.foot li a:hover{color:var(--blue-hi);text-decoration:underline}
.foot-base{max-width:var(--wrap);margin:0 auto;padding:16px var(--gut) 26px;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:var(--mute)}
.foot-base a{color:#a9c4de}

/* ---------- 404 ---------- */
.l-missing .page{min-height:50vh}

/* ---------- responsive ---------- */
@media (max-width:1500px){
 .nav a{font-size:14.5px}
 .cards{grid-template-columns:repeat(4,minmax(0,1fr))}
 .lib-grid:not(.filtered) .card:nth-child(5){display:none}
}
@media (max-width:1560px){
 .nav{gap:22px}.nav a{font-size:14.5px}.brand .word{font-size:21px}
}
@media (max-width:1440px){
 .nav{gap:18px}.finder kbd{display:none}.brand .word{font-size:19px}.cta-top{padding:10px 16px}
}
@media (max-width:1280px){
 .finder{flex-basis:220px}
 .brand .word{font-size:20px}
 .nav{gap:16px}
 .hero{grid-template-columns:minmax(0,1fr) minmax(0,50%)}
 .panels{grid-template-columns:repeat(2,minmax(0,1fr))}
 .panel-render{grid-column:1/-1}
 .cards{grid-template-columns:repeat(3,minmax(0,1fr))}
 .lib-grid:not(.filtered) .card:nth-child(5),.lib-grid:not(.filtered) .card:nth-child(6){display:flex}
 .g-grid{grid-template-columns:minmax(0,1fr) 260px}
}
@media (max-width:1240px){
 .burger{display:inline-flex;margin-left:auto}
 .primary{position:absolute;left:0;right:0;top:72px;background:#060d18;border-bottom:1px solid var(--rule-2);display:none;padding:10px var(--gut) 18px;box-shadow:0 20px 40px rgba(0,0,0,.6)}
 .primary.open{display:block}
 .nav{flex-direction:column;align-items:stretch;gap:0}
 .nav>li{flex-wrap:wrap;border-bottom:1px solid var(--rule)}
 .nav>li>a{flex:1;padding:13px 0;font-size:16px}
 .caret{padding:12px}
 .sub{position:static;width:100%;box-shadow:none;border:0;background:#0a1626;margin:0 0 10px}
 .finder{width:auto;flex:0 1 260px;margin-left:auto}
 .burger{order:5;margin-left:0}
 .cta-top{display:none}
 .nav .nav-contact{display:flex}
}
@media (max-width:1100px){
 .hero{grid-template-columns:1fr}
 .g-grid{grid-template-columns:1fr}
 .g-side{position:static;order:-1}
 .g-side .side-card{display:none}
 .contact-grid{grid-template-columns:1fr}
 .foot-in{grid-template-columns:1fr 1fr}
 .foot-brand{grid-column:1/-1}
 .page .cards,.guide .cards,.cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
 .mast-in{height:64px;gap:10px}
 .primary{top:64px}
 html{scroll-padding-top:76px}
 .brand .word{font-size:17px;letter-spacing:.04em}
 .brand .mark{width:28px;height:23px}
 .finder{position:absolute;left:var(--gut);right:var(--gut);top:64px;width:auto;display:none;background:#060d18}
 .finder.show{display:flex}
 .search-btn{display:inline-flex}
 .flow-svg{display:none}
 .flow-list{display:grid;gap:10px;padding:12px 6px 6px}
 .flow-list li{display:grid;grid-template-columns:96px 1fr;gap:10px;align-items:baseline;padding:10px 12px;border:1px solid #1e4a74;border-radius:6px;background:rgba(8,24,43,.85)}
 .flow-list b{color:var(--blue-hi);font-weight:600}
 .flow-list span{color:#d4e3f1;font-size:14.5px}
 .flow-card::before{content:"FROM CRAWL TO INDEX";display:block;font:500 13px/1 var(--mono);letter-spacing:.08em;color:#4fbcff;padding:10px 6px 4px}
 .panels{grid-template-columns:1fr}
 .panel-render{grid-column:auto}
 .stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
 .stats div{border-left:0;padding:0 0 0 12px;border-left:2px solid var(--rule-2)}
 .stats div:first-child{padding-left:12px;border-left:2px solid var(--rule-2)}
 .cards,.page .cards,.guide .cards,.cards-3{grid-template-columns:1fr}
 .lib-grid:not(.filtered) .card:nth-child(5){display:flex}
 .lib-grid:not(.filtered) .card:nth-child(6){display:none}
 .tool-row{grid-template-columns:1fr}
 .foot-in{grid-template-columns:1fr}
 .hero-cta{gap:12px}
 .prose{font-size:16.5px}
 .card h3{max-width:72%}
}
@media (max-width:420px){
 .brand .word{font-size:15px}
 .burger span{display:none}
 .hero h1{font-size:31px}
 .btn{width:100%;justify-content:center}
 .tabs button{padding:7px 8px;font-size:12px}
 .flow-list li{grid-template-columns:1fr;gap:2px}
 .p-head h1,.g-head h1{font-size:29px}
}
.search-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;background:none;border:1px solid var(--rule-2);border-radius:7px;color:var(--text);cursor:pointer}
.search-btn svg{width:20px;height:20px}
@media (max-width:760px){.burger{margin-left:0}.search-btn{display:inline-flex}}
@media (max-width:1560px){.log{font-size:11.5px}.log td{padding:6px 7px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{.mast,.foot,.g-side,.related{display:none}body{background:#fff;color:#000}.prose{color:#000}}
/* ---------- research hub search ---------- */
.hub-search{margin:0 0 18px;max-width:640px}
.hub-search label{display:block;font-weight:600;margin:0 0 6px;font-size:15px}
.hub-search-row{display:flex;gap:10px}
.hub-search input{flex:1;min-width:0;background:#040c17;border:1px solid #2a4b6b;border-radius:6px;padding:11px 12px;color:var(--text);font-size:16px}
.hub-search input:focus{border-color:var(--blue);outline:2px solid rgba(11,158,255,.35);outline-offset:0}
.hub-search button{min-height:46px;padding:10px 20px;border-radius:6px;border:1px solid #2f86ff;background:var(--blue-btn);color:#fff;font-weight:600;cursor:pointer}
.hub-results{margin:0 0 26px;padding:16px 20px;background:var(--ink-2);border:1px solid var(--rule-2);border-radius:var(--r)}
.hub-results h2{margin:0 0 6px!important;font-size:18px!important}
.hub-results ul{margin:8px 0 0;padding-left:20px}
.hub-results li span{color:var(--soft);font-size:15px}
.hub-filters{margin:0 0 18px}
.prose .cards{margin:0 0 24px}
.prose .card h3{margin:16px 0 8px;font-size:17px}
.prose .card p{font-size:14px;line-height:1.5;margin:0 0 18px}
.prose .btn{color:#fff;text-decoration:none}
.audit-h{font-size:17px!important;margin:22px 0 2px!important;color:#9fd2ff!important}
.glossary{margin:0}
.glossary>div{padding:14px 0;border-top:1px solid var(--rule)}
.glossary dt{font-weight:650;color:#f1f8ff;font-size:18px;margin:0 0 4px}
.glossary dd{margin:0;color:#d4e2ef}
.corrections{margin:18px 0 0;font-size:14px;color:var(--mute)}
.corrections strong{color:var(--soft)}