:root{
  --bg:#07080a; --bg2:#0d0f12; --ink:#e9edf0; --dim:#7c868f; --line:#1c2126;
  --acc:#c6ff3d; --hot:#ff4d2e; --cool:#5cc8ff; --vio:#b38cff;
  --sans:"Space Grotesk",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono)}
.dim{color:var(--dim)}
.small{font-size:12px}
.accent{color:var(--acc)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);margin-bottom:18px}
.h-mega{font-size:clamp(56px,13vw,200px);line-height:.9;letter-spacing:-.05em;font-weight:700}
.h-mega span{display:inline-block}
.h-big{font-size:clamp(34px,5.6vw,84px);line-height:.98;letter-spacing:-.035em;font-weight:700;margin-bottom:28px}
.body{font-size:clamp(16px,1.4vw,19px);color:#b6bec5;max-width:52ch;margin-bottom:18px}
.narrow{margin-bottom:48px}
section{position:relative}

.progress{position:fixed;left:0;top:0;height:3px;width:100%;background:var(--acc);transform-origin:0 50%;transform:scaleX(0);z-index:100}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:16px 28px;mix-blend-mode:difference}
.brand{display:flex;align-items:center;gap:10px;font-weight:500;letter-spacing:-.01em}
.brand b{font-weight:700}
.logo{width:26px;height:26px;color:#fff;display:inline-block}
[data-logo] svg{width:100%;height:100%;display:block}
.nav nav{display:flex;gap:22px;font-family:var(--mono);font-size:12px;align-items:center}
.nav nav a{opacity:.7;transition:opacity .2s}.nav nav a:hover{opacity:1}
.gh-btn{border:1px solid rgba(255,255,255,.4);padding:6px 12px;border-radius:999px;opacity:1 !important}
@media(max-width:820px){.nav nav a:not(.gh-btn){display:none}}

/* hero */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 25% 50%,rgba(7,8,10,.92) 15%,rgba(7,8,10,.15) 70%);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:120px 28px 140px;max-width:1300px;margin:0 auto;width:100%}
.hero-logo{width:84px;height:84px;color:var(--acc);margin-bottom:28px;filter:drop-shadow(0 0 24px rgba(198,255,61,.35))}
.lead{margin-top:28px;max-width:30ch;font-size:clamp(18px,2.2vw,28px);color:#c4ccd2;line-height:1.3}
.hero-cta{margin-top:40px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;gap:10px;align-items:center;background:var(--acc);color:#0a0c06;padding:14px 22px;border-radius:999px;font-weight:700;border:0;cursor:pointer;font-family:var(--sans);font-size:15px;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(198,255,61,.25)}
.btn i{font-style:normal;display:inline-block;animation:bob 1.6s ease-in-out infinite}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);font-family:var(--mono);font-weight:400;font-size:13px}
.btn.ghost:hover{border-color:var(--acc);box-shadow:none}
@keyframes bob{50%{transform:translateY(4px)}}

/* thesis */
.thesis{padding:22vh 28px;max-width:1200px;margin:0 auto}
.big{font-size:clamp(28px,4.6vw,66px);line-height:1.08;letter-spacing:-.03em;font-weight:500}
.big .w{display:inline-block;opacity:.12;margin-right:.22em}

/* code */
.code{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:13.5px;overflow:auto;line-height:1.7;margin-bottom:16px;white-space:pre}
.code .c{color:#5c6770}.code .k{color:var(--vio)}.code .n{color:var(--acc)}.code .s{color:var(--cool)}
.copyable{cursor:copy;position:relative}
.copyable::after{content:"copy";position:absolute;top:10px;right:12px;font-size:10.5px;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:2px 8px}
.copyable.done::after{content:"copied";color:var(--acc);border-color:var(--acc)}

/* swap */
.swap{padding:16vh 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.swap-grid{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--mono);font-size:12px;color:var(--dim);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:7px 12px;cursor:pointer;transition:all .2s}
.chip:hover{color:var(--ink);border-color:#3a434b}
.chip.on{color:#0a0c06;background:var(--acc);border-color:var(--acc)}
.big-code{font-size:clamp(12px,1.25vw,15.5px);padding:24px 26px;background:var(--bg);margin:0}
.swapme{color:var(--acc);background:rgba(198,255,61,.12);border-radius:4px;padding:1px 3px;box-shadow:0 0 0 1px rgba(198,255,61,.35);transition:background .3s}
.swapme.flash{background:rgba(198,255,61,.4)}
@media(max-width:900px){.swap-grid{grid-template-columns:1fr}}

/* trait steps */
.trait{padding:18vh 0}
.steps{position:relative;margin-top:60px;display:grid;gap:80px;padding-left:64px}
.steps-line{position:absolute;left:18px;top:0;width:4px;height:100%;overflow:visible}
.steps-line line{stroke:var(--line);stroke-width:2;vector-effect:non-scaling-stroke}
.steps-line line.on{stroke:var(--acc)}
.step{position:relative;opacity:.2;transform:translateX(-24px);transition:opacity .6s,transform .6s}
.step.in{opacity:1;transform:none}
.step-n{position:absolute;left:-64px;top:2px;width:38px;height:38px;border-radius:50%;background:var(--bg);border:1px solid var(--line);display:grid;place-items:center;font-size:12px;color:var(--dim);transition:all .5s}
.step.in .step-n{background:var(--acc);color:#0a0c06;border-color:var(--acc);box-shadow:0 0 0 6px rgba(198,255,61,.12)}
.step h3{font-size:clamp(26px,3.4vw,46px);letter-spacing:-.03em;margin-bottom:8px}
.step p{color:#b6bec5;max-width:54ch;margin-bottom:18px}
.step .code{max-width:820px}

/* fast entry race */
.fast{padding:16vh 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.race{display:grid;gap:18px;margin-bottom:32px;max-width:900px}
.lane{display:grid;grid-template-columns:110px 1fr 80px;gap:16px;align-items:center}
.lane-label,.lane-t{font-size:12px}
.lane-t{text-align:right}
.track{height:44px;border:1px solid var(--line);border-radius:10px;background:var(--bg);display:flex;gap:4px;padding:4px;overflow:hidden}
.seg{height:100%;border-radius:6px;display:flex;align-items:center;padding:0 10px;font-size:12px;white-space:nowrap;overflow:hidden;width:0}
.seg b{font-weight:500}
.s1,.s2,.s3{background:#232a31;color:var(--ink)}
.one{background:var(--acc);color:#0a0c06}
.race.done .s1,.race.done .s2,.race.done .s3{width:calc((100% - 8px)/3)}
.race.done .one{width:calc((100% - 8px)/3)}
.race.done .s1{transition:width .9s cubic-bezier(.2,.8,.2,1)}
.race.done .s2{transition:width .9s cubic-bezier(.2,.8,.2,1) .9s}
.race.done .s3{transition:width .9s cubic-bezier(.2,.8,.2,1) 1.8s}
.race.done .one{transition:width .9s cubic-bezier(.2,.8,.2,1)}
.fast .code{max-width:900px}
@media(max-width:640px){.lane{grid-template-columns:1fr}.lane-t{text-align:left}}

/* exchanges */
.exchanges{padding:16vh 0}
.ex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.ex{background:var(--bg);padding:22px 18px;display:flex;flex-direction:column;gap:14px;position:relative;transition:background .3s}
.ex:hover{background:var(--bg2)}
.ex b{font-size:20px;letter-spacing:-.02em;font-weight:600}
.ex code{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.ex::after{content:"";position:absolute;right:18px;top:26px;width:7px;height:7px;border-radius:50%;background:var(--acc);box-shadow:0 0 10px var(--acc);opacity:.85}

/* crates */
.crates{padding:14vh 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px;transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);border-color:var(--acc)}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(198,255,61,.09),transparent 40%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover::before{opacity:1}
.card h3{font-family:var(--mono);font-size:15px;color:var(--acc);font-weight:600}
.card p{color:#a9b2b9;font-size:15px}
.card.core{border-color:rgba(198,255,61,.35)}

/* python */
.python{padding:16vh 0}
.py-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
.facts{list-style:none;display:grid;gap:10px;font-size:13px;margin-top:10px}
.facts li{border-left:2px solid var(--acc);padding-left:14px;color:#b6bec5}
.facts b{color:var(--acc);font-weight:600;display:inline-block;width:56px}
@media(max-width:900px){.py-grid{grid-template-columns:1fr}}

/* start */
.start{padding:16vh 0;background:var(--bg2);border-top:1px solid var(--line)}
.start-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px}
.status{display:grid;gap:22px;align-content:start}
.status div{border-left:2px solid var(--acc);padding-left:16px}
.status h4{color:var(--acc);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px;font-weight:600}
.status p{color:#a9b2b9;font-size:15px}
@media(max-width:900px){.start-grid{grid-template-columns:1fr}}

.foot{padding:80px 28px;text-align:center;border-top:1px solid var(--line);display:grid;gap:10px;justify-items:center}
.foot-logo{width:56px;height:56px;color:var(--acc);margin-bottom:10px}
.foot a{color:var(--acc)}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.btn i{animation:none}
  .step{opacity:1;transform:none}.big .w{opacity:1}
}