:root{--bg:#060d24;--navy:#0b1a3f;--cyan:#4ff3ff;--orange:#ff7a1a;--lime:#b6ff3b;--red:#ff2d45;--ink:#05070f;--txt:#eef3ff;--mut:#9fb0d8}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Space Grotesk',system-ui,sans-serif;overflow-x:hidden;line-height:1.55}
a{color:var(--cyan)}
.sky{position:fixed;inset:0;z-index:0;background:#060d24}
.skysvg{width:100%;height:100%;display:block}
.stars path,.stars rect{animation:tw 3s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
.stars>*:nth-child(3n){animation-delay:1s}.stars>*:nth-child(3n+1){animation-delay:2s}
@keyframes tw{50%{opacity:.25;transform:scale(.6)}}
.circuit path{stroke-dasharray:8 10;animation:flow 6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-180}}
nav,header,main,.marquee{position:relative;z-index:2}
/* loader */
#loader{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;transition:opacity .6s,visibility .6s}
#loader.done{opacity:0;visibility:hidden}
.lhead{width:130px;animation:bob 1s ease-in-out infinite}
.leyes{animation:blink 2.2s infinite}
@keyframes blink{0%,90%,100%{transform:scaleY(1)}94%{transform:scaleY(.1)}}
.leyes{transform-origin:60px 62px}
.lant{animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.3}}
@keyframes bob{50%{transform:translateY(-8px)}}
.lbar{width:220px;height:14px;border:3px solid var(--cyan);border-radius:10px;overflow:hidden;box-shadow:0 0 20px #4ff3ff55}
.lbar i{display:block;height:100%;width:0;background:repeating-linear-gradient(90deg,var(--cyan) 0 10px,var(--lime) 10px 20px);transition:width .1s}
.ltxt{font-family:VT323,monospace;font-size:24px;color:var(--lime);letter-spacing:2px}
/* nav */
nav{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 4vw;z-index:20;background:linear-gradient(#060d24f0,#060d2400)}
.logo{display:flex;align-items:center;gap:10px;font-family:Bungee;font-size:20px;color:var(--txt);text-decoration:none}
.logo img{width:40px;height:40px;object-fit:contain;filter:drop-shadow(0 0 8px #4ff3ff88);transition:transform .3s}
.logo:hover img{transform:rotate(-12deg) scale(1.1)}
.logo b{color:var(--orange);margin-left:6px}
nav ul{display:flex;gap:26px;list-style:none}
nav ul a{color:var(--txt);text-decoration:none;font-weight:700;position:relative}
nav ul a::after{content:"";position:absolute;left:0;bottom:-4px;height:3px;width:0;background:var(--lime);transition:width .25s}
nav ul a:hover::after{width:100%}
/* buttons */
.btn{display:inline-block;font-family:Bungee;font-size:16px;padding:14px 26px;border-radius:14px;text-decoration:none;border:3px solid var(--ink);transition:transform .15s,box-shadow .15s}
.btn.pri{background:var(--orange);color:var(--ink);box-shadow:5px 5px 0 var(--cyan)}
.btn.pri:hover{transform:translate(-3px,-3px);box-shadow:8px 8px 0 var(--cyan)}
.btn.pri:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--cyan)}
.btn.ghost{background:transparent;color:var(--cyan);border-color:var(--cyan)}
.btn.ghost:hover{background:var(--cyan);color:var(--ink)}
.btn.sm{font-size:13px;padding:10px 16px}
.btn.big{font-size:22px;padding:20px 40px}
/* hero */
.hero{min-height:100vh;display:grid;grid-template-columns:1fr 1.1fr;align-items:center;padding:90px 4vw 40px;gap:2vw}
.hero-txt{position:relative;z-index:3}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:VT323;font-size:22px;color:var(--lime);border:2px solid var(--lime);padding:4px 14px;border-radius:999px;margin-bottom:18px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);animation:pulse 1.2s infinite}
h1{font-family:Bungee;line-height:.9;font-weight:400}
h1 span{display:block}
.l1{font-size:clamp(54px,8.4vw,128px);color:var(--txt);text-shadow:6px 6px 0 var(--orange),12px 12px 0 var(--ink)}
.l2{font-size:clamp(80px,13vw,200px);color:var(--cyan);text-shadow:6px 6px 0 var(--ink),0 0 40px #4ff3ff88;animation:glitch 4s infinite}
@keyframes glitch{0%,92%,100%{transform:none}93%{transform:translate(4px,-2px) skewX(-6deg)}95%{transform:translate(-4px,2px)}97%{transform:none}}
.sub{font-size:clamp(17px,1.6vw,21px);max-width:480px;margin:22px 0 26px;color:#d8e2ff}
.cta{display:flex;gap:16px;flex-wrap:wrap}
.pills{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.pills span{font-family:VT323;font-size:22px;background:#0b1a3fcc;border:2px dashed #ffffff44;padding:4px 14px;border-radius:10px;color:var(--mut)}
.pills b{color:var(--orange);font-weight:400}
.hero-3d{position:relative;height:min(86vh,760px);min-height:420px}
#scene{width:100%;height:100%;display:block;touch-action:pan-y}
.no3d{background:url(../assets/inu.png) center/contain no-repeat}
/* marquee */
.marquee{background:var(--orange);color:var(--ink);border-block:4px solid var(--ink);margin:10px 0;overflow:hidden;padding:14px 0}
.track{display:flex;gap:28px;width:max-content;animation:mq 30s linear infinite;font-family:Bungee;font-size:22px;align-items:center}
.track i{width:16px;height:16px;background:var(--cyan);border:3px solid var(--ink);transform:rotate(45deg)}
@keyframes mq{to{transform:translateX(-50%)}}
/* sections */
section{max-width:1200px;margin:0 auto;padding:110px 4vw}
.sec-h{margin-bottom:46px}
.tag{display:inline-block;font-family:VT323;font-size:22px;color:var(--ink);background:var(--cyan);padding:2px 12px;border-radius:6px;margin-bottom:14px}
h2{font-family:Bungee;font-weight:400;font-size:clamp(36px,5.5vw,68px);line-height:1}
h2 em{font-style:normal;color:var(--orange);text-shadow:4px 4px 0 var(--ink)}
.sec-h p{color:var(--mut);font-size:19px;margin-top:14px;max-width:640px}
.stickers{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stk{background:#fff8ec;color:var(--ink);border:4px solid var(--ink);border-radius:22px;padding:20px;box-shadow:7px 7px 0 var(--c);rotate:var(--r);transition:transform .2s,box-shadow .2s}
.stk:hover{box-shadow:11px 11px 0 var(--c)}
.stk svg{width:58px;height:58px;margin-bottom:8px}
.stk h3{font-family:Bungee;font-weight:400;font-size:19px;margin-bottom:4px}
.stk p{font-size:15px;color:#2b3350}
.chapters{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ch{background:var(--navy);border:3px solid #ffffff1c;border-radius:22px;padding:18px;position:relative;transition:transform .2s,border-color .2s}
.ch:hover{border-color:var(--cyan)}
.ch svg{width:100%;border-radius:14px;margin-bottom:14px;display:block}
.num{position:absolute;top:-18px;right:16px;font-family:Bungee;font-size:30px;color:var(--orange);text-shadow:3px 3px 0 var(--ink)}
.ch h3{font-family:Bungee;font-weight:400;font-size:20px;margin-bottom:6px}
.ch p{color:var(--mut);font-size:15.5px;margin-bottom:10px}
.ch b{font-family:VT323;font-weight:400;font-size:21px;color:var(--lime)}
.term{background:#030714;border:3px solid var(--cyan);border-radius:18px;overflow:hidden;box-shadow:0 0 0 6px #4ff3ff22,0 0 60px #4ff3ff33}
.tbar{display:flex;align-items:center;gap:8px;background:#0b1a3f;padding:10px 16px;border-bottom:2px solid #4ff3ff44}
.tbar i{width:13px;height:13px;border-radius:50%;background:var(--red)}.tbar i:nth-child(2){background:#ffbf3c}.tbar i:nth-child(3){background:var(--lime)}
.tbar span{margin-left:10px;font-family:VT323;font-size:19px;color:var(--mut)}
#tout{font-family:VT323,monospace;font-size:22px;line-height:1.25;padding:18px 22px;height:440px;overflow-y:auto;color:var(--cyan);white-space:pre-wrap;word-break:break-word;scrollbar-width:thin;scrollbar-color:#4ff3ff55 transparent}
.pr{color:var(--mut)}.pr.u{color:var(--orange)}
.cur{display:inline-block;width:11px;height:20px;background:var(--lime);vertical-align:-3px;animation:pulse .8s steps(1) infinite}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:var(--navy);border:3px solid var(--ink);box-shadow:6px 6px 0 var(--orange);border-radius:20px;padding:24px;transition:transform .2s}
.sn{font-family:Bungee;font-size:40px;color:var(--cyan);line-height:1;margin-bottom:10px}
.step h3{font-family:Bungee;font-weight:400;font-size:20px;margin-bottom:6px}
.step p{color:var(--mut)}
.cabox{margin-top:30px;display:flex;gap:16px;flex-wrap:wrap}
.cabox>div{background:#030714;border:3px dashed var(--cyan);border-radius:16px;padding:14px 20px;display:flex;flex-direction:column}
.cabox .grow{flex:1;min-width:240px}
.cabox span{font-family:VT323;font-size:19px;color:var(--mut)}
.cabox b,.cabox code{font-family:VT323;font-weight:400;font-size:28px;color:var(--orange)}
.links{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;align-items:center}
.soon{font-family:Bungee;font-size:15px;padding:13px 22px;border-radius:14px;border:3px dashed #ffffff40;color:var(--mut);cursor:not-allowed;user-select:none}
.soon b{font-weight:400;color:var(--lime);margin-left:6px}
.final{text-align:center;padding:130px 4vw 150px}
.final h2{font-size:clamp(46px,8vw,110px)}
.final p{color:var(--mut);font-size:19px;margin:20px auto 34px;max-width:560px}
.reveal{opacity:0;transform:translateY(46px) scale(.97);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.on{opacity:1;transform:none}
.stk.reveal.on,.ch.reveal.on,.step.reveal.on{transition:opacity .8s,transform .2s,box-shadow .2s}
html.portrait body>*:not(header){display:none!important}
html.portrait .hero-txt,html.portrait html.portrait,html.portrait body{background:transparent}
html.portrait .hero{display:block;padding:0;min-height:0}
html.portrait .hero-3d{width:600px;height:600px;min-height:0}
@media(max-width:980px){.stickers,.chapters{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){
 nav ul{display:none}
 .hero{grid-template-columns:1fr;padding-top:70px;gap:0;min-height:auto}
 .hero-3d{order:-1;height:46vh;min-height:300px}
  .l1{font-size:clamp(44px,13vw,80px)}.l2{font-size:clamp(70px,22vw,130px)}
 .sub{margin:16px 0 20px}
 .steps{grid-template-columns:1fr}
 section{padding:80px 5vw}
}
@media(max-width:520px){.stickers,.chapters{grid-template-columns:1fr}.logo{font-size:16px}.logo img{width:32px;height:32px}}

.tbar em{margin-left:auto;font-style:normal;font-family:VT323;font-size:18px;color:var(--lime)}
.tbar em.busy{color:var(--orange)}
#tout .ln{min-height:1.1em}
#tout .you{color:var(--txt)}
#tout .sys{color:var(--mut)}
#tout .err{color:var(--orange)}
#tout a{color:var(--lime)}
#tform{display:flex;align-items:center;gap:10px;border-top:2px solid #4ff3ff33;padding:12px 18px;background:#050b1c}
#tform .pr{font-family:VT323;font-size:26px}
#tin{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--txt);font-family:VT323,monospace;font-size:24px;caret-color:var(--lime)}
#tin::placeholder{color:#5f6f99}
#tform button{font-family:Bungee;font-size:13px;background:var(--cyan);color:var(--ink);border:3px solid var(--ink);border-radius:10px;padding:8px 14px;cursor:pointer;box-shadow:3px 3px 0 var(--orange);transition:transform .12s,box-shadow .12s}
#tform button:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--orange)}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 16px;background:#050b1c}
.chips button{font-family:VT323;font-size:20px;background:#0b1a3f;color:var(--cyan);border:2px solid #4ff3ff55;border-radius:999px;padding:2px 14px;cursor:pointer;transition:all .15s}
.chips button:hover{background:var(--cyan);color:var(--ink);transform:translateY(-2px)}
@media(max-width:860px){#tout{height:360px;font-size:19px;padding:14px}#tin{font-size:20px}.chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:14px}.chips button{flex:none}}