@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700&family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

:root{
 --c:#3fb6ff;--c2:#6fcbff;--cd:rgba(63,182,255,.35);
 --t:#d7e8f7;--t2:#eaf4ff;--m:#93b2cf;
 --r:#ff5a5a;--g:#3dff8f;--a:#ffb23f;--p:#b47bff;
 --bg0:#060b13;--bg1:#0a1322;--panel:rgba(13,26,44,.62);--panelb:rgba(63,182,255,.22);
 --code:#070e18;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Rajdhani,system-ui,sans-serif;color:var(--t);line-height:1.6;
 background:
  radial-gradient(ellipse 1200px 700px at 50% -5%,rgba(63,182,255,.10),transparent 60%),
  linear-gradient(180deg,#07101d 0%,#060b13 40%,#04080f 100%);
 background-attachment:fixed;min-height:100vh;font-size:17px;
 -webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 26px 90px}

/* ---- grid backdrop ---- */
body:before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
 background-image:linear-gradient(rgba(63,182,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(63,182,255,.035) 1px,transparent 1px);
 background-size:46px 46px;mask-image:radial-gradient(ellipse at 50% 20%,#000,transparent 80%)}
.wrap{position:relative;z-index:1}

/* ---- hero ---- */
header.hero{padding:62px 0 34px;border-bottom:1px solid var(--panelb);margin-bottom:40px}
.kicker{font-family:'Share Tech Mono';color:var(--c);letter-spacing:4px;font-size:12.5px;text-transform:uppercase}
h1{font-family:Orbitron;font-weight:700;font-size:clamp(34px,6vw,58px);letter-spacing:2px;color:#eaf4ff;line-height:1.04;margin:14px 0 6px;text-shadow:0 0 26px rgba(63,182,255,.28)}
.tagline{font-family:Orbitron;font-weight:500;color:var(--c);letter-spacing:4px;font-size:clamp(14px,2.2vw,19px);margin-bottom:18px}
.lede{font-size:19px;color:var(--m);max-width:820px}
.lede b{color:var(--t2);font-weight:600}

/* ---- TOC ---- */
nav.toc{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 8px}
nav.toc a{font-family:'Share Tech Mono';font-size:12.5px;letter-spacing:1px;text-decoration:none;color:var(--c2);
 border:1px solid var(--cd);border-radius:20px;padding:7px 15px;transition:.15s;background:rgba(63,182,255,.05)}
nav.toc a:hover{background:rgba(63,182,255,.16);color:#fff;border-color:var(--c)}

/* ---- sections ---- */
section{margin:52px 0;scroll-margin-top:20px}
h2{font-family:Orbitron;font-weight:700;font-size:26px;letter-spacing:1.5px;color:var(--c);margin-bottom:6px;
 text-shadow:0 0 14px rgba(63,182,255,.4);display:flex;align-items:center;gap:13px}
h2 .n{font-family:'Share Tech Mono';font-size:15px;color:var(--a);opacity:.9;border:1px solid rgba(255,178,63,.4);border-radius:6px;padding:2px 9px}
h2 svg{flex:none}
.sec-k{font-family:'Share Tech Mono';font-size:12.5px;letter-spacing:2px;color:var(--m);text-transform:uppercase;margin:0 0 22px 0;padding-left:2px}
h3{font-family:Orbitron;font-weight:600;font-size:18.5px;letter-spacing:.5px;color:var(--t2);margin:30px 0 10px}
h4{font-family:Rajdhani;font-weight:700;font-size:16px;letter-spacing:1px;color:var(--c2);text-transform:uppercase;margin:22px 0 8px}
p{margin:12px 0;color:var(--t)}
p.muted,li.muted{color:var(--m)}
a.ref{color:var(--c2);text-decoration:none;border-bottom:1px dotted var(--cd)}
a.ref:hover{color:#fff;border-color:var(--c)}
strong{color:var(--t2);font-weight:600}
code{font-family:'Share Tech Mono';font-size:.86em;background:rgba(63,182,255,.1);border:1px solid rgba(63,182,255,.18);
 border-radius:4px;padding:1px 6px;color:#aee0ff;white-space:nowrap}

/* ---- panels / callouts ---- */
.panel{background:var(--panel);border:1px solid var(--panelb);border-radius:12px;padding:22px 26px;margin:18px 0;
 box-shadow:0 0 30px rgba(0,0,0,.3),inset 0 0 40px rgba(63,182,255,.02)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.grid2,.grid3{grid-template-columns:1fr}}

.callout{border-left:3px solid var(--c);background:rgba(63,182,255,.06);border-radius:0 10px 10px 0;padding:14px 20px;margin:20px 0}
.callout .lbl{font-family:'Share Tech Mono';font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--c);margin-bottom:4px}
.callout.warn{border-color:var(--r);background:rgba(255,90,90,.07)}.callout.warn .lbl{color:var(--r)}
.callout.tip{border-color:var(--g);background:rgba(61,255,143,.06)}.callout.tip .lbl{color:var(--g)}
.callout.legal{border-color:var(--a);background:rgba(255,178,63,.07)}.callout.legal .lbl{color:var(--a)}
.callout p{margin:4px 0;color:var(--t)}

/* ---- code blocks ---- */
pre{background:var(--code);border:1px solid rgba(63,182,255,.22);border-radius:10px;overflow-x:auto;margin:16px 0;
 box-shadow:inset 0 0 30px rgba(0,0,0,.4)}
pre .bar{display:flex;align-items:center;gap:7px;padding:9px 14px;border-bottom:1px solid rgba(63,182,255,.15);background:rgba(63,182,255,.04)}
pre .bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
pre .bar .fn{font-family:'Share Tech Mono';font-size:11.5px;color:#6f93b5;margin-left:6px}
pre code{display:block;white-space:pre;background:none;border:none;padding:16px 18px;font-size:13.5px;line-height:1.72;color:#bfe3cf;border-radius:0}
.cm{color:#5f7d9a}.kw{color:#b47bff}.st{color:#ffb23f}.fn2{color:#3fb6ff}.nm{color:#ff9d5a}.ok{color:#3dff8f}

/* ---- tables ---- */
.tbl-wrap{overflow-x:auto;margin:18px 0;border:1px solid var(--panelb);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:540px}
thead th{font-family:Orbitron;font-weight:600;font-size:12px;letter-spacing:1px;text-transform:uppercase;
 text-align:left;color:var(--c);background:rgba(63,182,255,.08);padding:12px 16px;border-bottom:1px solid var(--cd)}
tbody td{padding:11px 16px;border-bottom:1px solid rgba(63,182,255,.08);vertical-align:top;color:var(--t)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(63,182,255,.04)}
td code,td .mono{font-family:'Share Tech Mono';font-size:13px;color:#aee0ff;white-space:nowrap}
.tag{font-family:'Share Tech Mono';font-size:11.5px;padding:2px 8px;border-radius:5px;letter-spacing:.5px;white-space:nowrap;
 background:rgba(255,178,63,.14);color:#ffcf85;border:1px solid rgba(255,178,63,.3)}

/* ---- lists ---- */
ul.feat,ol.feat{margin:12px 0 12px 2px;padding:0;list-style:none}
ul.feat li{position:relative;padding:5px 0 5px 24px;color:var(--t)}
ul.feat li:before{content:"▸";position:absolute;left:0;color:var(--c);font-size:14px}
ol.steps{counter-reset:s;margin:14px 0;padding:0;list-style:none}
ol.steps li{position:relative;padding:8px 0 8px 44px;margin-bottom:4px;color:var(--t)}
ol.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:7px;width:28px;height:28px;
 border:1px solid var(--c);border-radius:50%;color:var(--c);font-family:Orbitron;font-size:13px;font-weight:700;
 display:flex;align-items:center;justify-content:center;background:rgba(63,182,255,.08)}

/* ---- key-term chips ---- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.chips span{font-family:'Share Tech Mono';font-size:13px;border:1px solid var(--cd);border-radius:6px;padding:8px 13px;
 background:rgba(63,182,255,.05);color:var(--c2)}

/* ---- refs ---- */
.refs ol{margin:10px 0 0 0;padding:0;list-style:none;counter-reset:r}
.refs li{position:relative;padding:9px 0 9px 34px;border-bottom:1px solid rgba(63,182,255,.08);font-size:15px}
.refs li:before{counter-increment:r;content:"["counter(r)"]";position:absolute;left:0;top:9px;font-family:'Share Tech Mono';color:var(--a);font-size:13px}
.refs a{color:var(--c2);text-decoration:none}.refs a:hover{color:#fff;text-decoration:underline}
.refs .src{color:var(--m);font-size:13px}

footer{margin-top:70px;padding-top:26px;border-top:1px solid var(--panelb);color:var(--m);font-size:14px;font-family:'Share Tech Mono';letter-spacing:.5px}
footer b{color:var(--c)}
.pillrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.pillrow .p2{font-family:'Share Tech Mono';font-size:12px;padding:4px 10px;border-radius:5px;background:rgba(61,255,143,.1);border:1px solid rgba(61,255,143,.25);color:#9effc4}