:root{color-scheme:dark;--bg:#08091a;--bg2:#0e1124;--panel:#12162c;--line:#252b47;--text:#e8edf7;--muted:#9aa5c0;--hot:#ffa64d;--mint:#77ebcf;--violet:#bea0ff;--pink:#ffa1cd;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(900px 500px at 85% -10%,#2a1d5233,transparent 70%),radial-gradient(700px 400px at -10% 40%,#123a4a22,transparent 70%)}
a{color:inherit;text-underline-offset:4px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:4px}
main,footer,.bar{max-width:1120px;margin:0 auto;padding-left:32px;padding-right:32px}
section{padding:72px 0;border-top:1px solid var(--line)}
section.hero{border-top:0}

.bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;height:60px;max-width:none;background:#08091ad9;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font:700 22px/1 var(--mono);letter-spacing:-1px;text-decoration:none}
.brand span{color:var(--hot);font-size:13px;margin-left:6px;letter-spacing:0}
.bar nav{margin-left:auto;display:flex;gap:22px;font-size:14px}
.bar nav a{color:var(--muted);text-decoration:none}
.bar nav a:hover{color:var(--text)}

.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:72px 0 64px}
.tag{font:12px/1 var(--mono);letter-spacing:1.5px;color:var(--mint);margin:0 0 20px}
h1{font-size:clamp(34px,4.6vw,54px);line-height:1.08;letter-spacing:-1.5px;margin:0 0 20px;font-weight:700}
.lead{font-size:18px;color:#c6cee2;margin:0 0 28px;max-width:560px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:8px;background:var(--hot);color:#16121a;font-weight:650;font-size:14px;text-decoration:none;transition:transform .15s,filter .15s}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--muted)}
.facts{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.facts li{font-size:12px;color:var(--muted);line-height:1.35;border-left:1px solid var(--line);padding-left:12px}
.facts b{display:block;font:700 24px/1.2 var(--mono);color:var(--text)}
.screen{margin:0;justify-self:center;width:100%;max-width:380px}
.screen img{display:block;width:100%;height:auto;image-rendering:pixelated;border-radius:14px;border:1px solid var(--line);box-shadow:0 30px 80px -20px #6b4cff40,0 0 0 8px #12162c}
.screen figcaption{text-align:center;margin-top:18px;font:11px var(--mono);color:var(--muted);letter-spacing:1px}

h2{font-size:30px;letter-spacing:-.6px;margin:0 0 12px;line-height:1.2}
h3{font-size:17px;margin:0 0 8px}
.sub{color:var(--muted);font-size:15px;margin:0 0 32px;max-width:720px}
p{margin:0 0 12px}

.flow{display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:0;margin:32px 0 40px}
.node{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 20px;text-align:center;min-width:150px}
.node b{display:block;font:700 18px var(--mono)}
.node span{font-size:12px;color:var(--muted)}
.wire{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;padding:0 12px;font:11px var(--mono);color:var(--mint)}
.wire i{position:relative;display:block;width:100%;height:2px;margin-top:6px;background:linear-gradient(90deg,transparent,var(--mint),transparent);background-size:200% 100%;animation:flow 1.6s linear infinite}
.wire.back{color:var(--violet)}
.wire.back i{background-image:linear-gradient(90deg,transparent,var(--violet),transparent);animation-direction:reverse}
@keyframes flow{from{background-position:100% 0}to{background-position:-100% 0}}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid3 p,.card li{font-size:14px;color:var(--muted)}

.pages{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pages article{display:grid;grid-template-columns:180px 1fr;gap:20px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;transition:border-color .2s}
.pages article:hover{border-color:#3b4370}
.pages img{width:180px;height:180px;image-rendering:pixelated;border-radius:8px;border:1px solid var(--line)}
.pages h3{font:700 15px var(--mono);letter-spacing:1px;color:var(--hot)}
.pages article:nth-child(2) h3{color:var(--pink)}
.pages article:nth-child(3) h3{color:var(--violet)}
.pages article:nth-child(5) h3{color:#ff8c80}
.pages article:nth-child(6) h3{color:#74d3ff}
.pages article:nth-child(7) h3,.pages article:nth-child(1) h3{color:var(--mint)}
.pages p{font-size:13.5px;color:var(--muted)}
dl{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;margin:10px 0 0;font-size:13px}
dt{font:700 11px/1.9 var(--mono);color:var(--bg);background:#8892b3;border-radius:4px;padding:0 6px;align-self:start}
dd{margin:0;color:var(--text)}

.keys{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;margin-bottom:24px}
.keys div{display:flex;align-items:center;gap:6px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.keys span{margin-left:auto;text-align:right;color:var(--text)}
kbd{font:700 11px/1 var(--mono);padding:6px 8px;border-radius:6px;background:var(--panel);border:1px solid var(--line);border-bottom-width:3px;color:var(--text);white-space:nowrap}

.installer{background:linear-gradient(160deg,#141936,#0c0f22);border:1px solid var(--line);border-radius:18px;padding:40px;margin:40px 0}
.installer .head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.installer .head h2{margin:0}
.badge{font:11px var(--mono);color:var(--hot);border:1px solid #6b4a2b;border-radius:20px;padding:4px 10px}
.installer .sub{margin:12px 0 8px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0}
.steps article{background:#0b0e20;border:1px solid var(--line);border-radius:12px;padding:20px;min-width:0}
.steps p{font-size:13px;color:var(--muted);min-height:40px}
.n{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--hot);color:#16121a;font:700 13px var(--mono);margin-bottom:12px}
button{border:0;border-radius:8px;padding:12px 16px;font:650 14px/1.3 inherit;background:var(--hot);color:#16121a;cursor:pointer;min-height:44px;width:100%}
button:hover:not(:disabled){filter:brightness(1.08)}
button:disabled{cursor:not-allowed;background:#252b47;color:#8a94b0}
label.small{display:block;margin:14px 0 6px}
.small{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.small a{color:var(--mint)}
select{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px;width:100%;min-height:42px}
input[type=file]{width:100%;font-size:11px;color:var(--muted)}
input[type=file]::file-selector-button{background:#252b47;color:var(--text);border:0;border-radius:6px;padding:8px 10px;margin-right:8px}
.ack{display:flex;gap:9px;font-size:13px;color:var(--muted);margin:4px 0 16px;align-items:flex-start}
.ack input{accent-color:var(--mint);margin-top:3px;flex-shrink:0;width:16px;height:16px}
.status{margin-bottom:20px}
.status .line{display:flex;justify-content:space-between;gap:20px;font-size:14px}
#percent{font-family:var(--mono);color:var(--mint)}
progress{width:100%;height:6px;border-radius:3px;overflow:hidden;accent-color:var(--mint)}
progress::-webkit-progress-bar{background:#252b47}
progress::-webkit-progress-value{background:var(--mint)}
#error{color:#ff9caa;font-size:13px;overflow-wrap:anywhere}
#error:empty{display:none}
details{margin-top:14px}
summary{cursor:pointer;color:var(--muted);font-size:13px}
pre{background:var(--bg);border-radius:8px;padding:14px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:260px;overflow:auto;color:var(--muted);font:11px/1.8 var(--mono)}
.secondary{width:auto;background:#252b47;color:var(--text)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.card ol{margin:0;padding-left:20px}
.card li{margin:6px 0}
code{font:12.5px var(--mono);background:#1c2242;border-radius:4px;padding:1px 5px;color:var(--text)}

footer{display:flex;justify-content:space-between;gap:20px;padding-top:28px;padding-bottom:40px;border-top:1px solid var(--line);font:11px/1.7 var(--mono);color:var(--muted)}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:40px;padding-top:48px}
  .screen{max-width:320px}
  .facts{grid-template-columns:repeat(2,1fr);row-gap:18px}
  .flow{grid-template-columns:1fr;gap:6px}
  .wire{padding:8px 0}
  .wire i{width:2px;height:24px;background:linear-gradient(180deg,transparent,var(--mint),transparent)}
  .wire.back i{background:linear-gradient(180deg,transparent,var(--violet),transparent)}
  .grid3,.pages,.keys,.grid2,.steps{grid-template-columns:1fr}
  .bar nav a:not(:last-child){display:none}
  .bar nav{margin-left:auto}
}
@media(max-width:560px){
  main,footer,.bar{padding-left:18px;padding-right:18px}
  section{padding:52px 0}
  .pages article{grid-template-columns:1fr}
  .pages img{width:100%;height:auto;max-width:240px}
  .installer{padding:22px;margin:52px 0}
  footer{display:block}
  footer span{display:block;margin:6px 0}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .wire i{animation:none}
  .screen img{content:url('./still.png')}
  *{transition:none!important}
}
.lang{width:auto;min-height:32px;padding:0 12px;border-radius:16px;background:transparent;border:1px solid var(--line);color:var(--text);font:700 12px var(--mono);letter-spacing:1px}
.lang:hover:not(:disabled){border-color:var(--mint);color:var(--mint);filter:none}
.keys .hold{font:11px var(--mono);color:var(--muted)}
.card.split{margin:-8px 0 28px}
.card.split p{font-size:14px;color:var(--muted);margin:0}