/* ============================================================
   SplitStock - black, with the two colours out of the mark.
   Nothing else gets a hue. Mint is the price leg, lime is the
   yield leg, and that mapping never varies on the page.
   ============================================================ */

:root{
  --bg:#050706;
  --bg-2:#0a0d0c;
  --panel:#0c100f;
  --panel-2:#101514;
  --txt:#f3f6f4;
  --txt-2:#9aa8a3;
  --txt-3:#5d6b66;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.055);

  --mint:#01eabd;
  --mint-dim:#00a891;
  --lime:#cbf95e;
  --lime-dim:#93bb33;
  --teal:#00b0a9;

  --pill:999px;
  --r:18px;
  --r-lg:26px;

  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(20px,5vw,72px);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box}
/* the eased jump in main.js owns scrolling, so the UA must not also animate it */
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--txt);
  font-family:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  font-size:16px;line-height:1.5;letter-spacing:-.008em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--lime);color:#000}

.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem;letter-spacing:.09em;text-transform:uppercase}
.dim{color:var(--txt-3)}
em{font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-weight:400;letter-spacing:-.01em}
code{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-size:.86em;color:var(--mint);background:rgba(1,234,189,.08);padding:.1em .36em;border-radius:5px;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
/* an author display rule beats the UA's [hidden], and .empty is a flex box */
[hidden]{display:none !important}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.cp{color:var(--mint);font-weight:600;font-style:normal}
.cy{color:var(--lime);font-weight:600;font-style:normal}

/* ---------------- scroll progress ---------------- */
.prog{position:fixed;inset:0 0 auto 0;height:2px;z-index:200;background:rgba(255,255,255,.05)}
.prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--mint),var(--lime));box-shadow:0 0 14px rgba(203,249,94,.5)}

/* ---------------- buttons ---------------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--pill);
  font-size:.9rem;font-weight:500;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),background .3s,color .3s,border-color .3s;
}
.btn span{position:relative;z-index:2}
.btn--lime{color:#050706;background:var(--lime);box-shadow:0 0 0 rgba(203,249,94,0)}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 14px 34px -14px rgba(203,249,94,.75)}
.btn--lime:active{transform:translateY(0) scale(.985)}
.btn--wire{color:var(--txt);border:1px solid var(--line)}
.btn--wire:hover{transform:translateY(-2px);border-color:var(--mint);color:var(--mint)}
.btn--wire:active{transform:translateY(0) scale(.985)}
.btn--lg{height:52px;padding:0 30px;font-size:.95rem}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--pill);border:1px solid var(--line);color:var(--txt-2);transition:color .3s,border-color .3s}
.chip:hover{color:var(--mint);border-color:var(--mint)}

/* ---------------- brand ---------------- */
.brand{display:inline-flex;align-items:center;gap:10px}
.brand__mark{display:block;overflow:visible}
.brand__mark use{transition:transform .9s var(--ease);transform-origin:50px 50px;transform-box:fill-box}
.brand:hover .brand__mark use{transform:rotate(60deg)}
.brand__w{font-weight:600;letter-spacing:-.03em;font-size:1.16rem;line-height:1}
.brand__w--sm{font-size:1rem}

/* ---------------- nav ---------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:150;
  display:flex;align-items:center;gap:18px;
  padding:14px var(--pad);
  background:rgba(5,7,6,0);border-bottom:1px solid transparent;
  transition:background .45s,border-color .45s,backdrop-filter .45s,padding .45s;
}
.nav.stuck{background:rgba(5,7,6,.82);border-bottom-color:var(--line-2);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding-top:10px;padding-bottom:10px}
.nav__links{display:flex;gap:2px;margin-left:auto;font-size:.86rem}
.nav__links a{position:relative;padding:8px 12px;color:var(--txt-2);border-radius:var(--pill);transition:color .3s}
.nav__links a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.nav__links a:hover{color:var(--txt)}
.nav__links a:hover::after,.nav__links a.on::after{transform:scaleX(1)}
.nav__links a.on{color:var(--txt)}
.nav__cta{height:36px;padding:0 16px;font-size:.84rem}
.burger{display:none;width:38px;height:38px;border-radius:var(--pill);border:1px solid var(--line);place-items:center;margin-left:auto}
.burger i{display:block;width:14px;height:1.4px;background:var(--txt);border-radius:2px;transition:transform .4s var(--ease)}
.burger i+i{margin-top:4px}
.nav.open .burger i:first-child{transform:translateY(2.7px) rotate(45deg)}
.nav.open .burger i:last-child{transform:translateY(-2.7px) rotate(-45deg)}

/* ---------------- hero ---------------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px var(--pad) 0;overflow:hidden}
.hero__glow{
  position:absolute;left:50%;top:-10%;width:min(1100px,120vw);aspect-ratio:1;transform:translateX(-50%);
  background:radial-gradient(circle at 50% 42%,rgba(1,234,189,.20),rgba(1,234,189,.06) 38%,transparent 64%);
  pointer-events:none;animation:breathe 14s ease-in-out infinite alternate;
}
@keyframes breathe{to{transform:translateX(-50%) scale(1.14);opacity:.72}}
.hero__inner{position:relative;max-width:900px;margin:0 auto;text-align:center;flex:1;display:flex;flex-direction:column;justify-content:center}
.kicker{display:inline-block;color:var(--mint);margin-bottom:20px;opacity:0;animation:fade .8s var(--ease) .1s forwards}
.display{font-size:clamp(3rem,9vw,7.2rem);line-height:.93;letter-spacing:-.045em;font-weight:600;margin:0 0 24px}
.display--sm{font-size:clamp(2.4rem,6.4vw,4.8rem)}
.ln{display:block;overflow:hidden;padding-bottom:.05em}
.ln>span{display:block;transform:translateY(112%);animation:rise 1s var(--ease) forwards}
.ln:nth-child(2)>span{animation-delay:.1s}
@keyframes rise{to{transform:translateY(0)}}
@keyframes fade{to{opacity:1}}
.hero__sub{max-width:640px;margin:0 auto 30px;color:var(--txt-2);font-size:clamp(1rem,1.5vw,1.1rem);line-height:1.66;opacity:0;animation:fade .9s var(--ease) .4s forwards}
.cta{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero .cta{opacity:0;animation:fade .9s var(--ease) .52s forwards}
.hero__hint{display:flex;align-items:center;justify-content:center;gap:9px;color:var(--txt-3);padding:0 0 20px;opacity:0;animation:fade 1s var(--ease) 1.1s forwards}
.hero__hint i{display:block;width:1px;height:22px;background:linear-gradient(180deg,transparent,var(--lime));animation:drop 1.9s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(.2);opacity:0}40%{opacity:1}100%{transform:scaleY(1);opacity:0}}

/* ---------------- ticker tape ---------------- */
.tape{position:relative;margin:0 calc(var(--pad) * -1);padding:16px 0;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  opacity:0;animation:fade 1s var(--ease) .7s forwards}
.tape__track{display:flex;width:max-content;animation:slide 60s linear infinite}
.tape:hover .tape__track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.tk{display:inline-flex;align-items:center;gap:9px;padding:0 20px;border-right:1px solid var(--line-2);white-space:nowrap}
.tk b{font-size:.84rem;font-weight:600;letter-spacing:-.01em}
.tk span{font-family:"JetBrains Mono",monospace;font-size:.7rem;color:var(--txt-3)}
.tk.moved span{color:var(--lime)}

/* ---------------- stock logos ---------------- */
.lg{display:inline-grid;place-items:center;flex:none;border-radius:6px;overflow:hidden;background:#fff;
  width:22px;height:22px;font-family:"JetBrains Mono",monospace;font-size:.56rem;font-weight:500;color:#050706;letter-spacing:0}
.lg img{width:100%;height:100%;object-fit:contain;display:block}
.lgslot{display:contents}
.lg--mono{background:rgba(255,255,255,.07);color:var(--txt-2);border:1px solid var(--line-2)}
.lg--md{width:34px;height:34px;border-radius:9px;font-size:.7rem}
.lg--lg{width:52px;height:52px;border-radius:13px;font-size:.86rem}

/* ---------------- section rules ---------------- */
.rule{display:flex;align-items:center;gap:16px;padding:0 var(--pad);margin-top:clamp(70px,10vw,140px)}
.rule__n{color:var(--lime)}
.rule__k{color:var(--txt-2)}
.rule__l{flex:1;height:1px;background:var(--line-2);transform:scaleX(0);transform-origin:left;transition:transform 1.3s var(--ease)}
.rule.in .rule__l{transform:scaleX(1)}

.sec{padding:clamp(34px,5vw,58px) var(--pad) 0;max-width:calc(var(--maxw) + var(--pad) * 2);margin:0 auto}
.head{max-width:820px;margin:0 0 clamp(32px,4.5vw,56px)}
.h2{font-size:clamp(1.9rem,4.4vw,3.4rem);line-height:1.02;letter-spacing:-.038em;font-weight:600;margin:0 0 16px}
.h3{font-size:clamp(1.04rem,1.6vw,1.24rem);letter-spacing:-.028em;font-weight:600;margin:0 0 10px;color:var(--txt)}
.lede{font-size:clamp(.97rem,1.35vw,1.05rem);color:var(--txt-2);line-height:1.68;margin:0;max-width:720px}

[data-rv]{opacity:0;transform:translateY(20px);transition:opacity 1s var(--ease) var(--d,0s),transform 1s var(--ease) var(--d,0s)}
[data-rv].in{opacity:1;transform:none}

/* ---------------- the scroll scene ---------------- */
.scene{height:340vh;position:relative}
.scene__pin{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(10px,2vw,26px);padding:76px var(--pad) 40px;overflow:hidden}
.scene__art{width:100%;max-width:1200px;height:auto;display:block}
.ray{transform-box:view-box}
.scene__lbl{opacity:0}
.scene__tag{font-family:"Instrument Sans",sans-serif;font-size:30px;font-weight:600;letter-spacing:-1px}
#lblP .scene__tag{fill:var(--mint)}
#lblY .scene__tag{fill:var(--lime)}
.scene__cap{font-family:"Instrument Sans",sans-serif;font-size:16px;fill:var(--txt-2)}
.scene__num{font-family:"JetBrains Mono",monospace;font-size:12.5px;fill:var(--txt-3);letter-spacing:.4px}
.scene__num .sub{font-size:.76em}
.scene__read{position:relative;height:64px;width:100%;max-width:620px;text-align:center}
.scene__step{position:absolute;inset:0;margin:0;color:var(--txt-2);font-size:clamp(.92rem,1.3vw,1rem);line-height:1.6;opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.scene__step b{color:var(--txt);font-weight:600}
.scene__step.on{opacity:1;transform:none}

/* ---------------- panels ---------------- */
.panel{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(22px,2.6vw,32px);transition:border-color .5s,background .5s,transform .6s var(--ease)}
.panel:hover{border-color:var(--line);background:var(--panel-2);transform:translateY(-2px)}
.panel__k{display:block;color:var(--txt-3);margin-bottom:16px}
.panel p{margin:0;color:var(--txt-2);font-size:.94rem;line-height:1.68}
.two{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(14px,2vw,26px);align-items:start}
.math{margin:0;font-size:clamp(.7rem,1.02vw,.8rem);line-height:1.9;letter-spacing:0;text-transform:none;color:var(--txt-2);white-space:pre;overflow-x:auto;font-family:"JetBrains Mono",monospace}
.math b{font-weight:600}
.prose{padding:clamp(6px,1.2vw,16px) 0}
.prose p{color:var(--txt-2);line-height:1.7;margin:0 0 15px;font-size:.96rem}
.quote{font-size:.88rem !important;color:var(--txt-3) !important;padding-left:16px;border-left:1px solid var(--mint);margin-bottom:0 !important}

/* ---------------- proof ---------------- */
.proof{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(20px,2.6vw,32px);margin-bottom:clamp(14px,2vw,22px)}
.proof__top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:clamp(18px,2.4vw,26px)}
.proof__id{display:flex;align-items:flex-start;gap:16px}
.proof__lede{margin:6px 0 0;max-width:560px;color:var(--txt-2);font-size:.92rem;line-height:1.6}
.proof__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden}
.pc{background:var(--bg-2);padding:18px;display:flex;flex-direction:column;gap:7px;min-width:0}
.pc__k{color:var(--txt-3);font-size:.62rem}
.pc__v{font-family:"JetBrains Mono",monospace;font-size:clamp(.86rem,1.5vw,1.02rem);letter-spacing:-.02em;font-weight:500;overflow-wrap:anywhere}
.pc__s{font-size:.68rem;color:var(--txt-3);letter-spacing:0;text-transform:none}
.pc--mult .pc__v{color:var(--mint)}
.pc--gap{background:linear-gradient(180deg,rgba(203,249,94,.09),rgba(203,249,94,.02))}
.pc--gap .pc__v{color:var(--lime)}

/* ---------------- table ---------------- */
.tblwrap{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(18px,2.4vw,26px)}
.tblwrap__top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.tblwrap__top .panel__k{margin:0}
.tscroll{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line-2)}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--bg-2);min-width:720px}
.tbl th{text-align:left;padding:12px 16px;font-family:"JetBrains Mono",monospace;font-size:.62rem;letter-spacing:.09em;text-transform:uppercase;color:var(--txt-3);border-bottom:1px solid var(--line-2);white-space:nowrap;font-weight:500}
.tbl td{padding:11px 16px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr{transition:background .25s;opacity:0;transform:translateY(8px)}
.tbl tbody tr.in{opacity:1;transform:none;transition:opacity .6s var(--ease) var(--d,0s),transform .6s var(--ease) var(--d,0s),background .25s}
.tbl tbody tr:hover{background:rgba(255,255,255,.028)}
.tbl .num{text-align:right;font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:-.01em;white-space:nowrap;color:var(--txt-2)}
.tbl__sym{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.018em}
.tbl__name{color:var(--txt-3);font-size:.84rem;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tbl__empty td{text-align:center;color:var(--txt-3);padding:34px 16px;font-family:"JetBrains Mono",monospace;font-size:.7rem;text-transform:uppercase;letter-spacing:.09em}
.tbl__empty{opacity:1 !important;transform:none !important}
.tbl .moved{color:var(--lime)}
.tbl .flat{color:var(--txt-3)}
.flag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--pill);font-family:"JetBrains Mono",monospace;font-size:.58rem;letter-spacing:.09em;text-transform:uppercase}
.flag--y{background:rgba(203,249,94,.14);color:var(--lime)}
.flag--n{background:rgba(255,255,255,.05);color:var(--txt-3)}
.tblwrap__foot{margin:14px 2px 0;font-size:.82rem;color:var(--txt-2);line-height:1.6}
.tblwrap__foot b{color:var(--lime);font-weight:600}

/* ---------------- desk ---------------- */
.desk{display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:clamp(20px,3vw,44px);background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(22px,2.8vw,34px)}
.desk__ctl{display:flex;flex-direction:column;gap:24px}
.field{display:block}
.field__k{display:block;color:var(--txt-3);margin-bottom:11px}
.field__k b{color:var(--txt);font-weight:500}
.field__hint{display:block;margin-top:9px;color:var(--txt-3);text-transform:none;letter-spacing:0;font-size:.68rem;line-height:1.55}
.field__hint b{color:var(--txt-2);font-weight:500}
.pick{display:flex;align-items:center;gap:12px;height:48px;padding:0 12px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-2);transition:border-color .3s}
.pick:focus-within{border-color:var(--mint)}
.sel{flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--txt);font-size:.92rem;letter-spacing:-.015em;cursor:pointer;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--txt-3) 50%),linear-gradient(135deg,var(--txt-3) 50%,transparent 50%);
  background-position:calc(100% - 15px) 22px,calc(100% - 10px) 22px;background-size:5px 5px;background-repeat:no-repeat;padding-right:28px}
.sel option{background:#0c100f;color:var(--txt)}
.range{-webkit-appearance:none;appearance:none;width:100%;height:2px;border-radius:2px;outline:none;cursor:pointer;
  background:linear-gradient(90deg,var(--mint) var(--fill,20%),rgba(255,255,255,.13) var(--fill,20%))}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--txt);cursor:grab;transition:transform .3s var(--ease),box-shadow .3s}
.range::-webkit-slider-thumb:hover{transform:scale(1.18);box-shadow:0 0 0 6px rgba(1,234,189,.16)}
.range::-moz-range-thumb{width:18px;height:18px;border:0;border-radius:50%;background:var(--txt);cursor:grab}

.desk__out{display:flex;flex-direction:column;gap:16px;min-width:0}
.bar{display:flex;height:46px;border-radius:var(--r);overflow:hidden;background:rgba(255,255,255,.05)}
.bar__p{background:linear-gradient(180deg,var(--mint),var(--mint-dim));transition:width .55s var(--ease)}
.bar__y{background:linear-gradient(180deg,var(--lime),var(--lime-dim));transition:width .55s var(--ease);min-width:2px}
.barkey{display:flex;gap:20px;color:var(--txt-3)}
.barkey span{display:inline-flex;align-items:center;gap:7px}
.sw{width:8px;height:8px;border-radius:2px;flex:none}
.sw--p{background:var(--mint)}
.sw--y{background:var(--lime)}
.barkey b{font-weight:500;letter-spacing:-.01em}
.barkey span:first-child b{color:var(--mint)}
.barkey span:last-child b{color:var(--lime)}
.outs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden}
.out{background:var(--bg-2);padding:16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.out__k{color:var(--txt-3);font-size:.6rem;line-height:1.45}
.out__v{font-family:"JetBrains Mono",monospace;font-size:clamp(1rem,1.7vw,1.2rem);letter-spacing:-.03em;font-weight:500}
.out__s{color:var(--txt-3);font-size:.6rem;text-transform:none;letter-spacing:0}
.out--p .out__v{color:var(--mint)}
.out--y .out__v{color:var(--lime)}
.desk__note{margin:0;font-size:.8rem;color:var(--txt-3);line-height:1.65}

/* ---------------- hazard ---------------- */
.hz{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,1.8vw,20px)}
.panel--wide{grid-column:1 / -1}
.scale{display:flex;flex-direction:column;gap:13px;margin:4px 0 18px}
.srow{display:grid;grid-template-columns:140px minmax(0,1fr) 96px;align-items:center;gap:14px}
.srow__k{font-family:"JetBrains Mono",monospace;font-size:.64rem;letter-spacing:.07em;color:var(--txt-3);text-transform:uppercase;white-space:nowrap}
.srow__t{height:9px;border-radius:var(--pill);background:rgba(255,255,255,.06);overflow:hidden}
.srow__f{display:block;height:100%;border-radius:var(--pill);transform-origin:left;transform:scaleX(0);transition:transform 1.2s var(--ease) var(--sd,0s)}
.in .srow__f{transform:scaleX(1)}
.srow--div .srow__f{background:var(--lime)}
.srow--thr .srow__f{background:rgba(255,255,255,.34)}
.srow--split .srow__f{background:var(--mint)}
.srow__v{font-family:"JetBrains Mono",monospace;font-size:.7rem;color:var(--txt);text-align:right;letter-spacing:-.01em}
.hz__foot{color:var(--txt-2);font-size:.88rem;line-height:1.65}
.hz__foot b{color:var(--txt);font-weight:500}

/* ---------------- steps / risks ---------------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,1.8vw,22px)}
.step{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(22px,2.8vw,32px);transition:border-color .5s,transform .6s var(--ease)}
.step:hover{border-color:var(--line);transform:translateY(-2px)}
.step__n{display:block;color:var(--lime);margin-bottom:16px}
.step p{margin:0;color:var(--txt-2);font-size:.93rem;line-height:1.68}
.risks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,1.8vw,20px)}

/* ---------------- faq ---------------- */
.faq{max-width:880px;border-top:1px solid var(--line-2)}
.q{border-bottom:1px solid var(--line-2)}
.q summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 2px;cursor:pointer;list-style:none;font-size:clamp(.98rem,1.5vw,1.08rem);letter-spacing:-.02em;font-weight:500;transition:color .3s}
.q summary::-webkit-details-marker{display:none}
.q summary:hover{color:var(--lime)}
.q[open] summary{color:var(--lime)}
.q summary i{position:relative;flex:none;width:13px;height:13px}
.q summary i::before,.q summary i::after{content:"";position:absolute;background:var(--txt-3);border-radius:2px;transition:transform .45s var(--ease),background .3s}
.q summary i::before{left:0;top:6px;width:13px;height:1.4px}
.q summary i::after{left:6px;top:0;width:1.4px;height:13px}
.q[open] summary i::after{transform:rotate(90deg) scaleX(0)}
.q[open] summary i::before{background:var(--lime)}
.q p{margin:0 0 22px;padding-right:40px;color:var(--txt-2);font-size:.95rem;line-height:1.72}
.q[open]>div{animation:open .5s var(--ease)}
@keyframes open{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------------- finale + foot ---------------- */
.fin{position:relative;text-align:center;padding:clamp(90px,13vw,180px) var(--pad) clamp(70px,9vw,120px);margin-top:clamp(70px,10vw,140px);overflow:hidden}
.fin::before{content:"";position:absolute;left:50%;top:0;width:min(900px,110vw);aspect-ratio:2/1;transform:translateX(-50%);background:radial-gradient(ellipse at 50% 0,rgba(1,234,189,.14),transparent 66%);pointer-events:none}
.fin__mark{position:relative;display:block;margin:0 auto 28px;overflow:visible;animation:turn 34s linear infinite}
@keyframes turn{to{transform:rotate(360deg)}}
.fin .display{position:relative}
.fin .ln>span{animation:none;transform:none}
.fin p{position:relative;max-width:520px;margin:0 auto 30px;color:var(--txt-2);line-height:1.66}
.foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px var(--pad);border-top:1px solid var(--line-2)}
.foot p{margin:0;text-transform:none;letter-spacing:0;font-size:.74rem}

/* ---------------- reduced motion ---------------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-rv]{opacity:1;transform:none;transition:none}
  .ln>span{animation:none;transform:none}
  .kicker,.hero__sub,.hero .cta,.tape,.hero__hint{opacity:1;animation:none}
  .tape__track,.hero__glow,.fin__mark{animation:none}
  .tbl tbody tr{opacity:1;transform:none}
  .rule__l,.srow__f{transform:none}
  .scene{height:auto}
  .scene__pin{position:static;height:auto}
  .scene__step{position:static;opacity:1;transform:none}
  .scene__read{height:auto;display:flex;flex-direction:column;gap:10px}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1020px){
  .two,.desk{grid-template-columns:minmax(0,1fr)}
  .steps,.risks,.hz{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:860px){
  .nav__links{
    position:absolute;left:var(--pad);right:var(--pad);top:calc(100% + 8px);
    flex-direction:column;gap:0;padding:10px;border-radius:var(--r-lg);
    background:rgba(10,13,12,.96);border:1px solid var(--line-2);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
  }
  .nav.open .nav__links{opacity:1;visibility:visible;transform:none}
  .nav__links a{padding:13px 14px;font-size:.98rem}
  .nav__cta{display:none}
  .burger{display:grid}
  .scene{height:300vh}
  .srow{grid-template-columns:104px minmax(0,1fr) 84px;gap:10px}
  .srow__k{font-size:.58rem}
  .proof__top{flex-direction:column;align-items:flex-start}
}
@media (max-width:760px){
  /* the tall frame is narrower, so the labels inside it need to grow to match */
  .scene__tag{font-size:46px}
  .scene__cap{font-size:25px}
  .scene__num{font-size:17px}
  .scene__pin{justify-content:flex-start;padding-top:96px}
}
@media (max-width:600px){
  .outs,.proof__grid{grid-template-columns:minmax(0,1fr)}
}

/* ============================================================
   NAV EXTRAS + THE APP
   ============================================================ */
.nav__end{display:flex;align-items:center;gap:10px;margin-left:16px}
.nav__links + .nav__end{margin-left:16px}
.nav .nav__links{margin-left:auto}
.nav__back{color:var(--txt-2);font-size:.86rem;padding:8px 10px;border-radius:var(--pill);transition:color .3s}
.nav__back:hover{color:var(--txt)}
.iconlink{display:grid;place-items:center;width:32px;height:32px;border-radius:var(--pill);color:var(--txt-2);border:1px solid var(--line-2);transition:color .3s,border-color .3s,transform .5s var(--ease)}
.iconlink:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-1px)}
.foot__end{display:flex;align-items:center;gap:10px}

body.app{background:var(--bg)}
.app .nav{position:sticky}
.wrap{max-width:1140px;margin:0 auto;padding:clamp(96px,11vw,132px) var(--pad) 0}
.h1{font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.03;letter-spacing:-.04em;font-weight:600;margin:0 0 16px}
.apphead{max-width:760px;margin-bottom:clamp(28px,4vw,44px)}
.apphead .kicker{opacity:1;animation:none;margin-bottom:16px}

.banner{display:flex;gap:14px;align-items:flex-start;margin-top:22px;padding:16px 18px;border-radius:var(--r);
  border:1px solid rgba(203,249,94,.22);background:rgba(203,249,94,.05)}
.banner__k{flex:none;color:var(--lime);padding-top:2px}
.banner--warn{border-color:rgba(1,234,189,.3);background:rgba(1,234,189,.06)}
.banner--warn .banner__k{color:var(--mint)}
.banner p{margin:0;color:var(--txt-2);font-size:.88rem;line-height:1.6}

.card{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:clamp(20px,2.6vw,30px);margin-bottom:clamp(14px,2vw,22px)}
.card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.card__top .panel__k{margin-bottom:8px}
.card__top .h3{margin:0}

.empty{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;padding:clamp(28px,5vw,54px) 20px;
  border:1px dashed var(--line-2);border-radius:var(--r)}
.empty svg{opacity:.9}
.empty p{margin:0;max-width:460px;color:var(--txt-2);font-size:.92rem;line-height:1.65}

.split{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(20px,3vw,42px)}
.split__ctl{display:flex;flex-direction:column;gap:22px}
.split__out{display:flex;flex-direction:column;gap:16px;min-width:0}
.amt{display:flex;align-items:center;gap:8px;height:48px;padding:0 10px 0 14px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-2);transition:border-color .3s}
.amt:focus-within{border-color:var(--mint)}
.inp{flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--txt);font-family:"JetBrains Mono",monospace;font-size:.98rem;letter-spacing:-.02em;outline:none}
.maxbtn{flex:none;height:26px;padding:0 10px;border-radius:var(--pill);background:rgba(1,234,189,.12);color:var(--mint);transition:background .3s}
.maxbtn:hover{background:rgba(1,234,189,.22)}

.mint{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden}
.mint__leg{background:var(--bg-2);padding:18px;display:flex;flex-direction:column;gap:7px;min-width:0}
.mint__leg--p{box-shadow:inset 3px 0 0 var(--mint)}
.mint__leg--y{box-shadow:inset 3px 0 0 var(--lime)}
.mint__k{color:var(--txt-3);font-size:.62rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mint__leg--p .mint__k{color:var(--mint)}
.mint__leg--y .mint__k{color:var(--lime)}
.mint__v{font-family:"JetBrains Mono",monospace;font-size:clamp(1.1rem,2vw,1.42rem);letter-spacing:-.035em;font-weight:500}
.mint__s{color:var(--txt-3);font-size:.6rem;text-transform:none;letter-spacing:0}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden}

.act{display:flex;align-items:flex-start;gap:18px;margin-top:2px}
.act .btn[disabled]{opacity:.34;cursor:not-allowed;transform:none;box-shadow:none}
.act__why{margin:0;font-size:.8rem;color:var(--txt-3);line-height:1.6}
.pc__v a{color:var(--mint);border-bottom:1px solid rgba(1,234,189,.34)}

/* wallet picker */
.picker{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:20px;
  background:rgba(0,0,0,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s}
.picker.up{opacity:1;visibility:visible}
.picker__sheet{width:min(380px,100%);background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  transform:translateY(10px) scale(.98);transition:transform .4s var(--ease)}
.picker.up .picker__sheet{transform:none}
.picker__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.picker__top b{font-size:1rem;letter-spacing:-.02em}
.picker__x{font-size:1.4rem;line-height:1;color:var(--txt-3);padding:0 4px}
.picker__x:hover{color:var(--txt)}
.wallet{display:flex;align-items:center;gap:12px;width:100%;padding:12px;border-radius:var(--r);
  border:1px solid var(--line-2);background:var(--bg-2);margin-bottom:8px;transition:border-color .3s,background .3s}
.wallet:hover{border-color:var(--mint);background:var(--panel-2)}
.wallet img{border-radius:7px}
.wallet__blank{width:24px;height:24px;border-radius:7px;background:rgba(255,255,255,.08)}
.wallet span{font-size:.94rem;letter-spacing:-.015em}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;z-index:320;display:flex;align-items:center;gap:12px;
  padding:12px 18px;border-radius:var(--pill);background:var(--panel-2);border:1px solid var(--line);
  font-size:.86rem;box-shadow:0 20px 50px -20px #000;
  transform:translate(-50%,20px);opacity:0;visibility:hidden;transition:all .4s var(--ease);max-width:calc(100vw - 32px)}
.toast.up{transform:translate(-50%,0);opacity:1;visibility:visible}
.toast a{color:var(--mint);border-bottom:1px solid rgba(1,234,189,.4);flex:none}

@media (max-width:1020px){ .split{grid-template-columns:minmax(0,1fr)} }
@media (max-width:860px){
  .nav__back{display:none}
  .app .nav{padding-left:var(--pad);padding-right:var(--pad)}
}
@media (max-width:600px){
  .mint,.grid3{grid-template-columns:minmax(0,1fr)}
  .act{flex-direction:column;gap:12px}
  .banner{flex-direction:column;gap:8px}
}
.act--row{flex-wrap:wrap;gap:10px;align-items:center}
.act--row .act__why{flex-basis:100%}
.btn[disabled]{opacity:.34;cursor:not-allowed}
.lnk{color:var(--mint);border-bottom:1px solid rgba(1,234,189,.34)}
.lnk:hover{border-bottom-color:var(--mint)}
.field--locked .range{opacity:.4;cursor:not-allowed}
.field--locked .field__k b{color:var(--mint)}
.tbl--act{min-width:600px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--txt-3);flex:none}
.dot.moved{background:var(--lime)}

/* ---------------- the worked example ---------------- */
.walk{list-style:none;margin:0 0 20px;padding:0;counter-reset:w}
.walk li{position:relative;padding:0 0 18px 38px;counter-increment:w}
.walk li::before{
  content:counter(w);position:absolute;left:0;top:1px;
  width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  font-family:"JetBrains Mono",monospace;font-size:.66rem;
  color:var(--bg);background:var(--mint);
}
.walk li::after{content:"";position:absolute;left:11.5px;top:29px;bottom:6px;width:1px;background:var(--line-2)}
.walk li:last-child{padding-bottom:0}
.walk li:last-child::after{display:none}
.walk b{display:block;color:var(--txt);font-weight:600;letter-spacing:-.018em;margin-bottom:3px}
.walk b.cp,.walk b.cy,.walk b.num-live{display:inline;margin:0}
.walk span{display:block;color:var(--txt-2);font-size:.92rem;line-height:1.62}
.num-live{font-family:"JetBrains Mono",monospace;color:var(--mint);font-weight:500;letter-spacing:-.02em}

.sym{border-top:1px solid var(--line-2);padding-top:6px}
.sym summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 2px;cursor:pointer;list-style:none;color:var(--txt-3);font-size:.86rem;transition:color .3s}
.sym summary::-webkit-details-marker{display:none}
.sym summary:hover{color:var(--txt-2)}
.sym summary i{position:relative;flex:none;width:11px;height:11px}
.sym summary i::before,.sym summary i::after{content:"";position:absolute;background:var(--txt-3);border-radius:2px;transition:transform .4s var(--ease)}
.sym summary i::before{left:0;top:5px;width:11px;height:1.3px}
.sym summary i::after{left:5px;top:0;width:1.3px;height:11px}
.sym[open] summary i::after{transform:rotate(90deg) scaleX(0)}
.sym[open] summary{color:var(--txt-2)}
.sym .math{padding-bottom:8px}