:root{
  --mint:#69ff69;
  --cyan:#00ffff;
  --ink:#172617;
  --bg:#06110a;
  --panel:#0e2114;
  --panel-2:#112b1a;
  --text:#ddffe6;
  --dim:#93bba4;
  --line:rgba(105,255,105,.22);
  --chrome:linear-gradient(150deg,#ffffff 0%,#b9f4d4 24%,#5d8172 46%,#f2fff8 64%,#69ff69 100%);
  --r:10px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  overflow-x:hidden;
  background:
    radial-gradient(1100px 620px at 88% -10%,rgba(0,255,255,.10),transparent 62%),
    radial-gradient(900px 520px at 4% 106%,rgba(105,255,105,.10),transparent 64%),
    var(--bg);
  color:var(--text);
  font-family:"Exo 2",system-ui,-apple-system,"Segoe UI","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--mint);text-decoration:none}
h1,h2,h3{font-family:"Orbitron","Exo 2",system-ui,sans-serif;line-height:1.16;letter-spacing:.01em;margin:0}
hr{height:2px;border:0;margin:12px 0 20px;background:linear-gradient(90deg,var(--mint),var(--cyan) 42%,transparent 88%);opacity:.65;border-radius:2px}

.skip{position:absolute;left:12px;top:-60px;z-index:90;padding:10px 16px;border-radius:999px;background:var(--mint);color:#04210f;font-weight:600;transition:top .18s}
.skip:focus{top:10px}

/* bar */
.bar{
  position:sticky;top:0;z-index:50;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:10px;
  padding:10px var(--pad);
  background:rgba(6,17,10,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.bar__nav{display:contents}
.bar__list{display:flex;flex-wrap:nowrap;gap:2px;margin:0;padding:0;list-style:none;min-width:0;grid-row:1}
.bar__list--a{grid-column:1;justify-content:flex-end}
.bar__list--b{grid-column:3;justify-content:flex-start;padding-right:196px}
.bar__list a{display:inline-flex;align-items:center;min-height:44px;padding:0 7px;font-size:1rem;color:#c4e8cf;letter-spacing:.03em;border-radius:6px;transition:color .16s,text-shadow .16s}
.bar__list a:hover,.bar__list a:focus-visible{color:var(--cyan);text-shadow:0 0 12px rgba(0,255,255,.85)}
.brand{
  grid-column:2;grid-row:1;
  display:inline-flex;align-items:center;gap:9px;
  min-height:44px;padding:0 10px;
  font-family:"Orbitron",sans-serif;font-weight:700;font-size:1.02rem;letter-spacing:.09em;
  color:#eafff3;
  text-shadow:0 0 14px rgba(105,255,105,.55);
  white-space:nowrap;
}
.brand__mark{height:26px;width:auto;border-radius:5px}
.bar__tools{position:absolute;right:var(--pad);top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:9px}
.cta{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;
  font-weight:700;font-size:1rem;color:#04220f;
  background:linear-gradient(180deg,#d8ffd8,#69ff69 48%,#2ecb86);
  box-shadow:0 0 0 1px rgba(255,255,255,.45) inset,0 6px 20px rgba(105,255,105,.32);
  transition:transform .16s,box-shadow .16s;
}
.cta:hover,.cta:focus-visible{transform:translateY(-1px);box-shadow:0 0 0 1px #fff inset,0 10px 26px rgba(0,255,255,.42)}
.burger{
  width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:rgba(105,255,105,.07);
  cursor:pointer;padding:0;transition:background .16s,box-shadow .16s;
}
.burger:hover,.burger:focus-visible{background:rgba(0,255,255,.14);box-shadow:0 0 16px rgba(0,255,255,.5)}
.burger__bars{display:grid;gap:4px;width:18px}
.burger__bars i{display:block;height:2px;border-radius:2px;background:var(--mint)}
.burger__bars i:nth-child(2){background:var(--cyan);width:80%}

/* sheet */
.sheet{
  position:fixed;inset:0;z-index:70;
  display:grid;grid-template-rows:auto 1fr auto;gap:20px;
  padding:18px var(--pad) 40px;
  background:
    radial-gradient(700px 480px at 90% 6%,rgba(0,255,255,.18),transparent 60%),
    radial-gradient(600px 480px at 8% 96%,rgba(105,255,105,.16),transparent 60%),
    rgba(5,14,8,.98);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  overflow-y:auto;
}
.sheet.is-open{opacity:1;visibility:visible;transform:none}
.sheet__top{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:12px}
.sheet__brand{font-family:"Orbitron",sans-serif;font-weight:700;letter-spacing:.1em;color:#eafff3}
.sheet__close{
  min-height:44px;padding:0 18px;border-radius:999px;cursor:pointer;
  border:1px solid var(--cyan);background:transparent;color:var(--cyan);font:inherit;font-weight:600;
}
.sheet__close:hover,.sheet__close:focus-visible{background:rgba(0,255,255,.14)}
.sheet__nav{align-self:start}
.sheet__list{list-style:none;margin:0;padding:0;display:grid;gap:2px;max-width:660px}
.sheet__list a{
  display:flex;align-items:center;gap:16px;
  min-height:56px;padding:4px 8px;border-radius:8px;
  font-family:"Orbitron",sans-serif;font-size:1.22rem;color:#e6ffe9;
  border-bottom:1px solid rgba(105,255,105,.12);
  transition:color .16s,padding-left .16s,background .16s;
}
.sheet__list a:hover,.sheet__list a:focus-visible{color:var(--cyan);padding-left:16px;background:rgba(0,255,255,.06)}
.sheet__num{font-size:.82rem;color:var(--mint);letter-spacing:.16em;min-width:2.2em}
.sheet__cta{
  justify-self:start;display:inline-flex;align-items:center;min-height:52px;padding:0 26px;border-radius:999px;
  font-weight:700;color:#04220f;background:linear-gradient(180deg,#d8ffd8,#69ff69 48%,#2ecb86);
  box-shadow:0 8px 26px rgba(105,255,105,.3);
}

/* main grid */
main{
  display:grid;grid-template-columns:236px minmax(0,1fr);
  gap:8px 44px;
  max-width:1180px;margin:0 auto;padding:0 var(--pad) 84px;
  align-items:start;
}
main > *{min-width:0}

/* hero */
.hero{
  grid-column:1 / -1;
  position:relative;isolation:isolate;overflow:hidden;
  width:auto;margin-inline:calc(50% - 50vw);
  padding:clamp(96px,15vh,150px) max(var(--pad),calc(50vw - 566px)) clamp(64px,10vh,96px);
  min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-end;
  text-align:right;
  background:
    linear-gradient(200deg,rgba(0,255,255,.20),rgba(6,17,10,0) 52%),
    radial-gradient(800px 480px at 82% 22%,rgba(105,255,105,.22),transparent 66%),
    linear-gradient(160deg,#0d2a1a,#07150c 62%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:
    repeating-linear-gradient(0deg,rgba(105,255,105,.14) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(90deg,rgba(0,255,255,.13) 0 1px,transparent 1px 56px),
    radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:auto,auto,18px 18px;
  mask-image:linear-gradient(190deg,#000 12%,rgba(0,0,0,.28) 70%,transparent 96%);
  -webkit-mask-image:linear-gradient(190deg,#000 12%,rgba(0,0,0,.28) 70%,transparent 96%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(6,17,10,0) 46%,rgba(6,17,10,.94) 100%);
}
.hero__inner{position:relative;max-width:840px;margin-left:auto}
.hero__title{
  font-size:clamp(2.25rem,7.4vw,5.1rem);line-height:1.03;letter-spacing:.005em;margin:0 0 22px;
  background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(0,255,255,.4));
}
.hero__desc{
  margin:0 0 0 auto;max-width:44ch;
  color:#b9e3c6;font-size:1.06rem;
  text-shadow:0 0 18px rgba(0,0,0,.7);
}
.hero__bubble{
  position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 32% 28%,#ffffff,rgba(0,255,255,.55) 38%,rgba(105,255,105,.06) 72%,transparent 76%);
  filter:blur(.4px);opacity:.6;
}
.hero__bubble--1{width:190px;height:190px;left:6%;top:16%}
.hero__bubble--2{width:96px;height:96px;left:24%;bottom:19%;opacity:.45}
.hero__bubble--3{width:44px;height:44px;right:12%;top:24%;opacity:.8}

/* aside */
.rail{
  position:sticky;top:86px;
  margin-top:56px;padding:20px 18px;
  border-radius:var(--r);background:var(--panel);
  box-shadow:0 0 0 1px rgba(0,255,255,.14) inset;
}
.rail__title{font-size:1rem;letter-spacing:.18em;color:var(--cyan);margin:0}
.rail hr{margin:9px 0 12px}
.rail__list{list-style:none;margin:0;padding:0;display:grid}
.rail__list a{
  display:flex;align-items:center;min-height:40px;padding:4px 2px;
  font-size:1rem;color:#b6dcc4;border-bottom:1px dashed rgba(105,255,105,.14);
  transition:color .16s,padding-left .16s;
}
.rail__list li:last-child a{border-bottom:0}
.rail__list a:hover,.rail__list a:focus-visible{color:var(--mint);padding-left:8px}

/* div */
.doc{margin-top:56px}
.doc > article{
  background:var(--panel);border-radius:var(--r);
  padding:clamp(20px,3vw,32px);
  margin:0 0 20px;
  scroll-margin-top:96px;
  box-shadow:0 22px 44px -34px rgba(0,255,255,.6);
}
.doc > article:nth-child(even){background:var(--panel-2)}
.doc h2{font-size:clamp(1.28rem,2.3vw,1.6rem);color:#eaffef;margin:0 0 4px;text-shadow:0 0 18px rgba(105,255,105,.35)}
.doc h3{font-size:1.1rem;color:var(--cyan);margin:24px 0 6px}
.doc p{margin:0 0 14px;color:#cfeeda}
.doc p:last-child{margin-bottom:0}
.doc ul,.doc ol{margin:0 0 14px;padding-left:1.25em;color:#cfeeda}
.doc li{margin:0 0 7px}
.doc li::marker{color:var(--mint)}
.doc a{border-bottom:1px solid rgba(0,255,255,.5);padding-bottom:1px}
.doc a:hover,.doc a:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan);text-shadow:0 0 12px rgba(0,255,255,.7)}
.doc strong{color:#fff;letter-spacing:.01em}
.doc blockquote{
  margin:0 0 14px;padding:12px 16px;border-radius:8px;
  background:rgba(0,255,255,.07);color:#d9f7e4;
}
.doc blockquote p:last-child{margin-bottom:0}
.doc table{width:100%;border-collapse:collapse;margin:0 0 14px;font-size:1rem}
.doc th,.doc td{padding:9px 10px;text-align:left;border-bottom:1px solid rgba(105,255,105,.16)}
.doc th{color:var(--cyan);font-weight:600}

/* footer */
.foot{margin-top:40px;padding:56px var(--pad) 32px;background:#040d07;border-top:1px solid var(--line)}
.foot__cta{max-width:1180px;margin:0 auto 44px;text-align:center}
.foot__h{
  font-size:clamp(1.7rem,5vw,3rem);
  background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 20px rgba(105,255,105,.35));
}
.foot__cta hr{max-width:220px;margin:14px auto 22px}
.foot__btn{
  display:inline-flex;align-items:center;min-height:52px;padding:0 28px;border-radius:999px;
  font-weight:700;color:#04220f;background:linear-gradient(180deg,#d8ffd8,#69ff69 48%,#2ecb86);
  box-shadow:0 10px 28px rgba(105,255,105,.28);transition:transform .16s,box-shadow .16s;
}
.foot__btn:hover,.foot__btn:focus-visible{transform:translateY(-1px);box-shadow:0 12px 34px rgba(0,255,255,.4)}
.foot__row{
  max-width:1180px;margin:0 auto;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 22px;
  padding-top:22px;border-top:1px solid rgba(105,255,105,.14);
}
.foot__logo{display:inline-flex;align-items:center;min-height:44px;font-family:"Orbitron",sans-serif;font-weight:700;letter-spacing:.09em;color:#eafff3}
.foot__logo img{height:24px;width:auto}
.foot__nav ol{display:flex;flex-wrap:wrap;gap:0 4px;list-style:none;margin:0;padding:0}
.foot__nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 7px;font-size:1rem;color:#a9cfb8}
.foot__nav a:hover,.foot__nav a:focus-visible{color:var(--cyan)}
.foot__copy{margin:0;color:#7fa48c;font-size:1rem}

/* motion */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:no-preference){
  .doc > article{animation:rise .55s cubic-bezier(.2,.7,.3,1) both}
  .doc > article:nth-child(2){animation-delay:.05s}
  .doc > article:nth-child(3){animation-delay:.1s}
  .doc > article:nth-child(4){animation-delay:.15s}
  .doc > article:nth-child(n+5){animation-delay:.2s}
  .hero__bubble{animation:float 9s ease-in-out infinite}
  .hero__bubble--2{animation-duration:12s;animation-delay:-3s}
  .hero__bubble--3{animation-duration:7s;animation-delay:-1.4s}
}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-16px,0)}}

/* responsive */
@media (max-width:1040px){
  .bar{display:flex;justify-content:center;padding-right:var(--pad)}
  .bar__list{display:none}
  .brand{font-size:.98rem}
  .cta{display:none}
  main{grid-template-columns:minmax(0,1fr);gap:0}
  .rail{position:static;margin-top:32px}
  .rail__list{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}
  .doc{margin-top:28px}
  .hero{align-items:flex-start;text-align:left}
  .hero__inner{margin:0}
  .hero__desc{margin-left:0}
}
@media (max-width:640px){
  :root{--pad:16px}
  body{font-size:16px}
  .hero{padding-block:120px 64px;min-height:88vh;min-height:88svh}
  .hero__title{font-size:clamp(2rem,9.5vw,2.9rem)}
  .hero__bubble--1{width:120px;height:120px;left:-8%;top:10%}
  .hero__bubble--2{display:none}
  .sheet__list a{font-size:1.06rem;min-height:52px;gap:10px}
  .foot{padding-top:44px}
  .foot__row{justify-content:flex-start}
  .foot__copy{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

button[aria-expanded]{min-width:44px;min-height:44px}