:root{--bg:#050708;--ink:#EDF2F0;--soft:#A7B1B0;--dim:#6C7678;--line:#171E21;--teal:#5CFFE4;--body:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box;margin:0}
html{background:var(--bg);color-scheme:dark;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:400 17px/1.5 var(--body);-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
.num{font-variant-numeric:tabular-nums}
.nav{position:fixed;z-index:20;top:14px;left:50%;transform:translateX(-50%);width:min(1200px,calc(100% - 32px));height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:0 10px 0 22px;border-radius:99px;background:linear-gradient(100deg,rgba(26,31,35,.82),rgba(11,14,17,.82));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.11);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.nav nav{display:flex;gap:30px}
.nav nav a,.nav-link{font-size:15px;font-weight:500;color:#8A9396;transition:color .14s ease;white-space:nowrap}
.nav nav a:hover,.nav-link:hover{color:var(--ink)}
.nav-end{display:flex;align-items:center;justify-content:flex-end;gap:14px}
.anchor{position:absolute;left:0;top:calc((640vh - 100vh) * .2)}
.tax-a{top:calc((260vh - 100vh) * .02)}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:17px;letter-spacing:-.02em}
.brand img{width:22px;height:22px}
.pill{display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:99px;font-weight:600;font-size:14px;white-space:nowrap}
.pill.white{background:#EDF2F0;color:#050708;transition:background-color .14s ease,transform .1s cubic-bezier(.2,0,0,1)}
.pill.white:hover{background:#fff}
.pill.white:active{transform:scale(.975)}
.pill.big{height:52px;padding:0 28px;font-size:16px}

.pin{height:640vh;position:relative}
.stage{position:sticky;top:0;height:100svh;overflow:hidden}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block}
.line{position:absolute;left:0;right:0;top:clamp(106px,16vh,160px);padding:0 20px;text-align:center;opacity:0;transform:translateY(16px);transition:opacity .28s,transform .28s;pointer-events:none}
.line.on{opacity:1;transform:none}
.line.on .cta{pointer-events:auto}
h1,.line h2{font-size:clamp(50px,9.2vw,112px);font-weight:500;letter-spacing:-.04em;line-height:1;text-shadow:-1.5px 0 rgba(255,80,170,.5),1.5px 0 rgba(92,255,228,.6),0 2px 40px rgba(0,0,0,.9)}
h1 em{font-style:normal;color:var(--teal)}
.line p{max-width:580px;margin:18px auto 0;color:var(--soft);font-size:clamp(16px,1.6vw,19px);text-shadow:0 1px 16px #000}
.cta{margin-top:26px}
.note,.hint{position:absolute;bottom:18px;font-size:13px;color:var(--dim)}
.note{left:clamp(18px,3vw,36px)}
.hint{right:clamp(18px,3vw,36px);transition:opacity .2s}

.tax{height:260vh;position:relative}
.taxstage{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;text-align:center}
#taxnum{font-size:clamp(96px,23vw,300px);font-weight:500;letter-spacing:-.05em;line-height:.95;text-shadow:-2px 0 rgba(255,80,170,.45),2px 0 rgba(92,255,228,.55)}
.track{width:min(620px,100%);height:3px;background:var(--line);border-radius:3px;margin:30px 0 14px;overflow:hidden}
.track i{display:block;height:100%;width:0;background:var(--teal);box-shadow:0 0 14px var(--teal)}
#taxsec{color:var(--ink)}
.sub{max-width:520px;margin-top:14px;color:var(--soft)}

.facts{scroll-margin-top:60px;max-width:1040px;margin:0 auto;padding:clamp(70px,12vh,130px) clamp(18px,3vw,36px)}
.facts h2{font-size:15px;font-weight:500;color:var(--dim);margin-bottom:14px}
.facts ul{list-style:none;padding:0}
.facts li{padding:clamp(14px,2.2vh,22px) 0;border-top:1px solid var(--line);font-size:clamp(23px,3.6vw,42px);letter-spacing:-.025em;line-height:1.15}

.ask{scroll-margin-top:96px;max-width:1040px;margin:0 auto;padding:0 clamp(18px,3vw,36px)}
.ask details{border-top:1px solid var(--line);padding:18px 0}
.ask details:last-child{border-bottom:1px solid var(--line)}
.ask summary{cursor:pointer;list-style:none;font-weight:500;font-size:18px;display:flex;justify-content:space-between;gap:16px}
.ask summary::-webkit-details-marker{display:none}
.ask summary::after{content:"+";color:var(--dim);font-weight:400}
.ask details[open] summary::after{content:"−"}
.ask p{color:var(--soft);margin-top:10px;max-width:680px}

.end{text-align:center;padding:clamp(120px,24vh,220px) 20px clamp(100px,18vh,170px)}
.end h2{font-size:clamp(60px,12vw,150px);font-weight:500;letter-spacing:-.045em;line-height:1;margin-bottom:30px;text-shadow:-1.5px 0 rgba(255,80,170,.5),1.5px 0 rgba(92,255,228,.6)}
footer{display:flex;align-items:center;gap:12px;padding:20px clamp(18px,3vw,36px);color:var(--dim);font-size:13.5px;border-top:1px solid var(--line)}
footer img{width:20px;height:20px}
@media (max-width:900px){.nav{grid-template-columns:1fr auto}.nav nav{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (max-width:640px){.nav-link{display:none}.nav{padding-left:16px}.note{display:none}.hint{left:0;right:0;text-align:center}}
.x-link{display:inline-flex;align-items:center;justify-content:center;flex:none;width:38px;height:38px;border-radius:50%;color:#8A9396;transition:color .14s ease,background .14s ease}.x-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.foot-coin{margin-left:auto;color:var(--soft);white-space:nowrap;transition:color .14s ease}.foot-coin:hover{color:var(--ink)}