/* ── Tokens ─────────────────────────────────────────────── */
:root{
  --night-0:#080814;
  --night-1:#0e0e22;
  --night-2:#16162f;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --ink:#eceafc;
  --muted:#9b97c0;
  --faint:#6f6b94;
  --gold:#f7c65a;
  --gold-soft:#ffe1a0;
  --mint:#6ee7b7;
  --violet:#8b7dfb;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.75);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Fraunces','Iowan Old Style',Georgia,serif;
  --page:1120px;
  --nav-h:76px;
}

*{box-sizing:border-box}

/* Gentle section snapping: nudges to a section start when you land near one,
   but never traps you mid-scroll inside the tall calculator. */
html{
  scroll-behavior:smooth;
  scroll-snap-type:y proximity;
  scroll-padding-top:var(--nav-h);
}
body{
  margin:0;background:var(--night-0);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.05;margin:0;letter-spacing:-.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
em{font-style:normal}

/* ── Night sky ──────────────────────────────────────────── */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  transition:none;
  background:
    radial-gradient(900px 620px at 78% -6%, rgba(139,125,251,.20), transparent 62%),
    radial-gradient(700px 520px at 12% 8%, rgba(247,198,90,.10), transparent 60%),
    linear-gradient(180deg,var(--night-1) 0%,var(--night-0) 46%,#06060f 100%);
}
.moon{
  position:absolute;top:6vh;right:9vw;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle at 34% 32%,#fff8e2,#f6d98f 58%,#d9b45f);
  box-shadow:0 0 90px 26px rgba(247,217,143,.20), inset -14px -10px 0 -4px rgba(0,0,0,.06);
  animation:moon-drift 22s ease-in-out infinite alternate;
}
@keyframes moon-drift{to{transform:translate3d(-14px,16px,0)}}
.stars{position:absolute;inset:0;opacity:.7;translate:calc(var(--px,0)*6px) calc(var(--py,0)*4px);
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 28% 62%, #dcd7ff, transparent),
    radial-gradient(1.6px 1.6px at 47% 12%, #fff, transparent),
    radial-gradient(1.1px 1.1px at 62% 44%, #ffe9bd, transparent),
    radial-gradient(1.4px 1.4px at 82% 24%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 91% 66%, #cfd8ff, transparent),
    radial-gradient(1.1px 1.1px at 36% 84%, #fff, transparent),
    radial-gradient(1.3px 1.3px at 71% 88%, #ffe9bd, transparent),
    radial-gradient(1px 1px at 6% 48%, #fff, transparent),
    radial-gradient(1px 1px at 55% 71%, #fff, transparent);
  animation:twinkle 6s ease-in-out infinite alternate;
}
@keyframes twinkle{from{opacity:.42}to{opacity:.8}}

.zzz-field{position:absolute;inset:0}
.zzz{position:absolute;font-family:var(--display);font-weight:700;color:var(--gold);
  opacity:0;text-shadow:0 0 24px rgba(247,198,90,.5);animation:float-z linear forwards}
@keyframes float-z{
  0%{opacity:0;transform:translate3d(0,0,0) rotate(-8deg) scale(.7)}
  14%{opacity:.55}70%{opacity:.35}
  100%{opacity:0;transform:translate3d(46px,-190px,0) rotate(16deg) scale(1.25)}
}

/* ── Nav ────────────────────────────────────────────────── */
/* Full-bleed backdrop: the blur must span the viewport, not the centred
   content column, or it cuts off at the page margins. */
.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;
  transition:transform .34s cubic-bezier(.2,.9,.2,1)}
.nav.hide{transform:translateY(-100%)}
.nav::before{
  content:'';position:absolute;left:0;right:0;top:0;bottom:0;z-index:-1;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(8,8,20,.86),rgba(8,8,20,0));
  -webkit-mask-image:linear-gradient(180deg,#000 58%,transparent);
  mask-image:linear-gradient(180deg,#000 58%,transparent);
}
.nav-inner{
  width:100%;max-width:var(--page);margin:0 auto;padding:0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-size:1.22rem;font-weight:600;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;color:var(--gold);transition:transform .5s cubic-bezier(.2,.9,.2,1.2)}
.brand:hover .brand-mark{transform:rotate(-14deg) scale(1.08)}
.brand em{color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:.92rem;color:var(--muted)}
.nav-links a{transition:color .2s}
.nav-links a:hover{color:var(--ink)}


/* ── Section rail ───────────────────────────────────────── */
.rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;flex-direction:column;gap:14px}
.rail a{display:grid;place-items:center;width:18px;height:18px}
.rail span{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.22);
  transition:all .3s cubic-bezier(.2,.9,.2,1.3)}
.rail a:hover span{background:var(--muted);transform:scale(1.3)}
.rail a.on span{background:var(--gold);box-shadow:0 0 12px rgba(247,198,90,.8);height:18px;border-radius:99px}

/* ── Layout ─────────────────────────────────────────────── */
main{position:relative;z-index:1;max-width:var(--page);margin:0 auto;padding:0 26px}
section{padding:100px 0}
.snap{scroll-snap-align:start;scroll-snap-stop:normal}
.section-head{max-width:600px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.9rem,4.2vw,2.9rem)}
.section-head p{margin-top:12px;color:var(--muted);font-size:1.05rem}

/* ── Hero ───────────────────────────────────────────────── */
.hero{padding:56px 0 40px;text-align:center;display:flex;flex-direction:column;align-items:center;min-height:calc(100vh - var(--nav-h));justify-content:center}
.eyebrow{font-size:.76rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);
  padding:7px 15px;border:1px solid rgba(247,198,90,.28);border-radius:999px;background:rgba(247,198,90,.06)}
.hero h1{margin-top:26px;font-size:clamp(2.9rem,9vw,5.6rem);letter-spacing:-.035em}
.wordmark{position:relative;display:inline-block;color:var(--gold);font-style:italic}
.wordmark::after{content:'';position:absolute;left:0;right:0;bottom:.06em;height:.09em;border-radius:99px;
  background:linear-gradient(90deg,transparent,rgba(247,198,90,.55),transparent)}
.snooze{position:absolute;top:-.34em;right:-1.15em;display:flex;gap:.06em;font-size:.3em;font-style:normal}
.snooze i{font-style:normal;animation:snooze 2.6s ease-in-out infinite}
.snooze i:nth-child(2){animation-delay:.32s;transform:translateY(-.3em)}
.snooze i:nth-child(3){animation-delay:.64s;transform:translateY(-.6em)}
@keyframes snooze{0%,100%{opacity:.25;transform:translateY(0) scale(.9)}50%{opacity:1;transform:translateY(-.32em) scale(1.12)}}
.lede{margin-top:24px;max-width:560px;color:var(--muted);font-size:1.1rem}
.hero-cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center}

.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:600;font-size:.96rem;
  border:1px solid transparent;cursor:pointer;font-family:var(--font);
  transition:transform .18s cubic-bezier(.2,.9,.2,1.2),box-shadow .2s,background .2s,border-color .2s}
.btn-primary{color:var(--night-0);background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  box-shadow:0 14px 34px -12px rgba(247,198,90,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -12px rgba(247,198,90,.85)}
.btn-ghost{color:var(--ink);border-color:var(--line-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn-block{width:100%;margin-top:auto}

.coin-stage{margin-top:52px;position:relative;width:150px;height:170px}
.coin{animation:snore 4.4s ease-in-out infinite;transform-origin:50% 90%}
.coin svg{width:150px;height:150px;filter:drop-shadow(0 18px 34px rgba(247,198,90,.28))}
@keyframes snore{0%,100%{transform:translateY(0) rotate(-6deg) scale(1)}50%{transform:translateY(-9px) rotate(-3deg) scale(1.035)}}
.coin-shadow{position:absolute;left:50%;bottom:4px;width:96px;height:13px;transform:translateX(-50%);
  background:radial-gradient(ellipse,rgba(247,198,90,.3),transparent 70%);
  animation:shadow-pulse 4.4s ease-in-out infinite}
@keyframes shadow-pulse{0%,100%{transform:translateX(-50%) scale(1);opacity:.75}50%{transform:translateX(-50%) scale(.82);opacity:.45}}
.scroll-hint{margin-top:44px;color:var(--faint);font-size:.82rem;letter-spacing:.06em}

/* ── Panels ─────────────────────────────────────────────── */
.panel{background:linear-gradient(160deg,rgba(31,31,64,.68),rgba(14,14,34,.72));
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.section-head.centred{margin:0 auto 34px;text-align:center}

/* ── Currency combobox ──────────────────────────────────── */
.cur-row{display:flex;align-items:flex-end;justify-content:center;gap:12px;margin-bottom:30px;flex-wrap:wrap}
.combo{position:relative;width:132px}
.combo-label{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);margin-bottom:7px;padding-left:2px}
.combo-input{width:100%;padding:11px 34px 11px 14px;border-radius:11px;
  font-family:var(--font);font-size:.95rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--gold-soft);
  background:rgba(0,0,0,.3);border:1px solid var(--line-strong);
  transition:border-color .2s,box-shadow .2s}
.combo-input::placeholder{color:var(--faint)}
.combo-input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(247,198,90,.14)}
.combo-toggle{position:absolute;right:6px;bottom:6px;width:30px;height:30px;display:grid;place-items:center;
  background:transparent;border:0;color:var(--faint);cursor:pointer;border-radius:8px;transition:color .2s,transform .25s}
.combo-toggle:hover{color:var(--gold)}
.combo[data-open=true] .combo-toggle{transform:rotate(180deg);color:var(--gold)}
.combo-list{position:absolute;z-index:30;top:calc(100% + 6px);left:0;width:288px;max-height:264px;overflow-y:auto;
  margin:0;padding:6px;list-style:none;border-radius:12px;
  background:#12122b;border:1px solid var(--line-strong);box-shadow:0 26px 50px -14px rgba(0,0,0,.85)}
.combo-list[hidden]{display:none}
.combo-list li{padding:9px 11px;border-radius:8px;cursor:pointer;font-size:.89rem;
  display:flex;gap:9px;align-items:baseline}
.combo-list li b{color:var(--gold-soft);font-weight:700;letter-spacing:.06em;min-width:3.4em}
.combo-list li span{color:var(--muted)}
.combo-list li[aria-selected=true],.combo-list li.active{background:rgba(247,198,90,.13)}
.combo-list li.active span{color:var(--ink)}
.combo-empty{padding:11px;color:var(--faint);font-size:.86rem;text-align:center}
.btn-reset{padding:11px 17px;border-radius:11px;cursor:pointer;
  font-family:var(--font);font-size:.86rem;color:var(--muted);
  background:transparent;border:1px solid var(--line-strong);transition:all .2s}
.btn-reset:hover{color:var(--gold-soft);border-color:var(--gold)}

/* ── The chain ──────────────────────────────────────────── */
.chain{display:grid;grid-template-columns:1fr 30px 1fr 30px 1fr 30px 1fr;align-items:stretch}
.block{position:relative;padding:22px 18px 18px;border-radius:var(--radius);
  background:rgba(20,20,44,.5);border:1px dashed var(--line-strong);
  opacity:.52;transition:opacity .45s ease,border-color .45s ease,background .45s ease,transform .45s cubic-bezier(.2,.9,.2,1.15)}
.block.filled{opacity:1;border-style:solid;border-color:rgba(247,198,90,.4);
  background:linear-gradient(160deg,rgba(38,34,62,.75),rgba(16,16,36,.8));
  box-shadow:0 16px 40px -22px rgba(247,198,90,.55)}
.block:focus-within{opacity:1;border-color:var(--gold);transform:translateY(-3px)}
.block-n{position:absolute;top:14px;right:16px;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:.7rem;font-weight:700;
  color:var(--faint);background:rgba(255,255,255,.06);transition:all .45s ease}
.block-n>b,.block-n>.tick{grid-area:1/1;transition:opacity .3s ease,transform .3s cubic-bezier(.2,.9,.2,1.4)}
.block-n>.tick{opacity:0;transform:scale(.5)}
.block.filled .block-n{color:var(--night-0);background:var(--gold)}
.block.filled .block-n>b{opacity:0;transform:scale(.5)}
.block.filled .block-n>.tick{opacity:1;transform:none}
.block label{display:block;font-size:.86rem;font-weight:500;color:var(--muted);
  padding-right:26px;min-height:2.6em;transition:color .45s}
.block.filled label{color:var(--ink)}
.amount{display:flex;align-items:baseline;gap:5px;margin-top:10px}
.amount .cur{color:var(--faint);font-size:.86rem;font-weight:600;transition:color .45s}
.block.filled .amount .cur{color:var(--gold)}
.amount input{width:100%;min-width:0;border:0;background:transparent;color:var(--gold-soft);
  font-family:var(--display);font-size:1.7rem;font-weight:600;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;padding:0}
.amount input::placeholder{color:rgba(255,255,255,.15)}
.amount input:focus{outline:none}
.cur-suffix{font-size:.8rem}
.hint{margin-top:8px;color:var(--faint);font-size:.76rem}

/* fuel pipes */
.pipe{align-self:center;height:3px;border-radius:2px;background:rgba(255,255,255,.08);
  position:relative;overflow:hidden}
.pipe i{display:block;height:100%;width:0;border-radius:2px;
  background:linear-gradient(90deg,rgba(247,198,90,.5),var(--gold));
  transition:width .55s cubic-bezier(.3,.8,.3,1)}
.pipe.on i{width:100%}
.pipe.on::after{content:'';position:absolute;top:0;left:0;width:26px;height:100%;
  background:linear-gradient(90deg,transparent,#fff6dd,transparent);
  animation:spark 1.9s linear infinite}
@keyframes spark{from{transform:translateX(-30px)}to{transform:translateX(240px)}}

.feed{width:3px;height:44px;margin:0 auto;border-radius:2px;
  background:rgba(255,255,255,.08);position:relative;overflow:hidden}
.feed i{display:block;width:100%;height:0;border-radius:2px;
  background:linear-gradient(180deg,rgba(247,198,90,.5),var(--gold));
  transition:height .55s cubic-bezier(.3,.8,.3,1) .2s}
.feed.on i{height:100%}
.feed.on::after{content:'';position:absolute;left:0;top:0;width:100%;height:16px;
  background:linear-gradient(180deg,transparent,#fff6dd,transparent);
  animation:spark-down 1.9s linear infinite}
@keyframes spark-down{from{transform:translateY(-20px)}to{transform:translateY(52px)}}

/* ── The answer ─────────────────────────────────────────── */
.headline{padding:36px 32px 30px;position:relative;overflow:hidden;text-align:center}
.headline::before{content:'';position:absolute;top:-150px;left:50%;transform:translateX(-50%);
  width:560px;height:340px;background:radial-gradient(ellipse,rgba(247,198,90,.17),transparent 70%);pointer-events:none}
/* Nothing typed yet: the box reads as a placeholder, not a result. */
.headline.empty{background:transparent;box-shadow:none;border-style:dashed;backdrop-filter:none}
.headline.empty::before{opacity:0}
.result-empty{color:var(--faint);font-size:.95rem;padding:16px 0;opacity:.75}
.result-full[hidden]{display:none}
.result-top{display:flex;align-items:center;justify-content:center;gap:11px;position:relative}
.result-badge.ring{animation:ring .55s cubic-bezier(.36,.07,.19,.97)}
@keyframes ring{10%,30%{transform:rotate(-9deg)}20%,40%{transform:rotate(9deg)}
  50%{transform:rotate(-5deg)}60%{transform:rotate(5deg)}100%{transform:rotate(0)}}
.result-badge{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold);padding:6px 13px;border-radius:999px;background:rgba(247,198,90,.1);
  border:1px solid rgba(247,198,90,.24)}
.info-btn{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;cursor:pointer;
  font-family:var(--display);font-size:.95rem;font-weight:700;line-height:1;
  color:var(--faint);background:transparent;border:1px solid var(--line-strong);
  transition:color .2s,border-color .2s,transform .2s,background .2s}
.info-btn:hover,.info-btn[aria-expanded=true]{color:var(--gold);border-color:rgba(247,198,90,.5);
  background:rgba(247,198,90,.09);transform:scale(1.1)}

.result-number{position:relative;display:flex;align-items:baseline;justify-content:center;gap:9px;
  margin-top:18px;font-family:var(--display);font-weight:700;letter-spacing:-.04em;
  color:var(--gold-soft);font-variant-numeric:tabular-nums;line-height:.95;
  animation:rise .5s cubic-bezier(.2,.9,.2,1.1)}
.result-number .cur{font-size:clamp(1.4rem,3.2vw,2.2rem);color:var(--gold);opacity:.85}
.result-number .digits{font-size:clamp(3.2rem,10.5vw,6.4rem)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* The equivalent is the line people skim past, so it gets a slow gold sweep
   and a small bounce whenever it changes. One moving thing, not three. */
.shine{color:var(--gold-soft);font-weight:700;display:inline-block}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .shine{
    background:linear-gradient(100deg,var(--gold) 18%,#fff8e4 42%,var(--gold-soft) 58%,var(--gold) 82%);
    background-size:260% 100%;
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    animation:shine 5s linear infinite;
  }
  .shine.pop{animation:shine 5s linear infinite,bounce-in .55s cubic-bezier(.2,.9,.2,1.5)}
}
@keyframes shine{to{background-position:-260% 0}}
@keyframes bounce-in{0%{transform:scale(.93)}55%{transform:scale(1.07)}100%{transform:scale(1)}}
.result-sub{position:relative;margin:16px auto 0;max-width:42ch;color:var(--ink);font-size:1.05rem}
.result-sub[hidden]{display:none}
.result-sub b#napMonths{color:var(--violet);font-variant-numeric:tabular-nums}
.result-caveat{position:relative;margin:11px auto 0;max-width:44ch;color:var(--faint);font-size:.79rem}
.result-caveat b{color:var(--mint);font-weight:600}

.idle-split{position:relative;margin-top:26px}
.split-bar{display:flex;height:26px;border-radius:9px;overflow:hidden;background:rgba(255,255,255,.05)}
.split-buffer,.split-idle{display:grid;place-items:center;font-size:.72rem;font-weight:600;
  white-space:nowrap;overflow:hidden;transition:width .55s cubic-bezier(.2,.8,.2,1)}
.split-buffer{background:linear-gradient(135deg,#3c3a6b,#4b4884);color:#cdc9f5}
.split-idle{position:relative;background:linear-gradient(135deg,var(--gold),#e0a534);color:#3a2a05}
.split-idle::before{content:'';position:absolute;inset:0;opacity:.22;
  background:repeating-linear-gradient(115deg,transparent 0 13px,rgba(255,255,255,.85) 13px 26px);
  animation:drift 9s linear infinite}
@keyframes drift{to{background-position:52px 0}}
.split-idle span{position:relative}
.split-buffer span,.split-idle span{padding:0 8px}

/* ── Formula popover ────────────────────────────────────── */
.formula-card{margin-top:16px;padding:22px 24px;border-color:rgba(247,198,90,.3);
  animation:pop-in .32s cubic-bezier(.2,.9,.2,1.15)}
.formula-card[hidden]{display:none}
@keyframes pop-in{from{opacity:0;transform:translateY(-8px) scale(.99)}to{opacity:1;transform:none}}
.formula-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.formula-head h4{font-size:1.05rem;color:var(--gold-soft)}
.formula-close{background:transparent;border:0;color:var(--faint);font-size:1.6rem;line-height:1;cursor:pointer;padding:0 4px}
.formula-close:hover{color:var(--ink)}
.formula-steps{list-style:none;margin:0;padding:0;counter-reset:f}
.formula-steps li{position:relative;display:grid;grid-template-columns:1fr auto;gap:4px 24px;
  align-items:baseline;padding:11px 0 11px 32px;border-bottom:1px dashed var(--line);counter-increment:f}
.formula-steps li:last-child{border-bottom:0;padding-bottom:2px}
.formula-steps li::before{content:counter(f);position:absolute;left:0;top:12px;
  width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  font-size:.68rem;font-weight:700;color:var(--gold);background:rgba(247,198,90,.14)}
.formula-steps b{font-size:.9rem;font-weight:600}
.formula-steps span{grid-column:1;color:var(--faint);font-size:.78rem;margin-top:-2px}
.formula-steps code{grid-row:1/3;grid-column:2;text-align:right;font-size:.85rem;color:var(--gold-soft);
  font-family:ui-monospace,'SF Mono',Menlo,monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
.formula-steps li:last-child code{color:var(--gold);font-weight:700;font-size:1rem}
.formula-note{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--faint);font-size:.77rem}

/* ── Benchmarks ─────────────────────────────────────────── */
.benchmarks[hidden]{display:none}
.rail a[hidden]{display:none}
.bench{padding:26px}
.bench-rows{display:flex;flex-direction:column;gap:16px}
.bench-row{display:grid;grid-template-columns:170px 1fr 160px;gap:18px;align-items:center}
.bench-label b{display:block;font-size:.95rem;font-weight:600}
.bench-label span{font-size:.78rem;color:var(--faint)}
.bench-track{height:12px;border-radius:99px;background:rgba(255,255,255,.06);overflow:hidden}
.bench-fill{height:100%;border-radius:99px;width:0;transition:width .75s cubic-bezier(.2,.8,.2,1)}
.bench-value{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;
  font-family:var(--display);font-size:1.45rem;letter-spacing:-.02em;line-height:1.1}
.bench-value small{display:block;font-weight:400;font-size:.72rem;color:var(--faint);
  font-family:var(--font);letter-spacing:0;margin-top:2px}
.bench-row[data-key=bank] .bench-fill{background:linear-gradient(90deg,#3f3d68,#565289)}
.bench-row[data-key=fd] .bench-fill{background:linear-gradient(90deg,#4a8f7b,var(--mint))}
.bench-row[data-key=treasury] .bench-fill{background:linear-gradient(90deg,#5c76c8,#7fa4ff)}
.bench-row[data-key=voo] .bench-fill{background:linear-gradient(90deg,#c98a2c,var(--gold))}
.bench-row[data-key=bank] .bench-value{color:var(--faint)}
.bench-row[data-key=fd] .bench-value{color:var(--mint)}
.bench-row[data-key=treasury] .bench-value{color:#9dbaff}
.bench-row[data-key=voo] .bench-value{color:var(--gold)}
.bench-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);color:var(--faint);font-size:.8rem;max-width:68ch}
.reassure{margin:44px auto 0;max-width:520px;text-align:center;color:var(--muted);
  font-family:var(--display);font-size:1.24rem;line-height:1.5}
.reassure strong{color:var(--gold-soft);font-weight:600}

/* ── Roadmap ────────────────────────────────────────────── */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;padding:24px 18px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.028);border:1px solid var(--line);
  transition:transform .3s cubic-bezier(.2,.9,.2,1.1),background .3s}
.step:hover{transform:translateY(-5px);background:rgba(255,255,255,.055)}
.step::after{content:'→';position:absolute;top:50%;right:-14px;transform:translateY(-50%);color:var(--faint);font-size:.9rem}
.step:last-child::after{content:''}
.step-tag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.step h3{margin-top:12px;font-size:1.1rem}
.step p{margin-top:9px;color:var(--muted);font-size:.85rem}
.step-now{background:rgba(247,198,90,.075);border-color:rgba(247,198,90,.32)}
.step-now .step-tag{color:var(--gold)}
.step-now h3{color:var(--gold-soft)}

/* ── FAQ ───────────────────────────────────────────────── */
.faq-list{display:grid;gap:10px;max-width:760px}
.faq-list details{border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.025);transition:border-color .25s,background .25s}
.faq-list details[open]{border-color:rgba(247,198,90,.3);background:rgba(255,255,255,.045)}
.faq-list summary{list-style:none;cursor:pointer;padding:15px 18px;
  font-size:.95rem;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';color:var(--gold);font-size:1.2rem;line-height:1;
  transition:transform .28s cubic-bezier(.2,.9,.2,1.3);flex-shrink:0}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list summary:hover{color:var(--gold-soft)}
.faq-list p{padding:0 18px 16px;color:var(--muted);font-size:.88rem;max-width:68ch}

/* ── Outro ──────────────────────────────────────────────── */
.outro{text-align:center;padding:110px 0 40px;min-height:70vh;display:flex;flex-direction:column;justify-content:center}
.outro h2{font-size:clamp(2.2rem,6vw,3.6rem);color:var(--gold-soft)}
.outro>p{margin:18px auto 30px;max-width:460px;color:var(--muted)}
.outro .btn{align-self:center}
.foot{margin-top:70px;padding-top:26px;border-top:1px solid var(--line);
  color:var(--muted);font-size:.85rem;display:flex;flex-direction:column;gap:8px}
.foot span{color:var(--faint)}
.foot-note{color:var(--faint);font-size:.78rem}

/* ── Reveal ─────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width:1240px){ .rail{display:none} }
@media (max-width:940px){
  .chain{grid-template-columns:1fr 1fr;gap:14px}
  .pipe{display:none}
  .block label{min-height:0}
  .feed{height:30px;margin-top:14px}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{content:''}
  html{scroll-snap-type:none}
  .hero{min-height:0;padding-top:40px}
}
@media (max-width:620px){
  section{padding:74px 0}
  main{padding:0 18px}
  .nav-inner{padding:0 18px}
  .moon{width:80px;height:80px;top:4vh;right:6vw}
  .bench-row{grid-template-columns:1fr;gap:8px}
  .bench-value{text-align:left}
  .bench-value small{display:inline;margin-left:6px}
  .steps{grid-template-columns:1fr}
  .headline,.bench,.formula-card{padding:22px 18px}
  .chain{grid-template-columns:1fr;gap:12px}
  .combo{width:100%}
  .cur-row{flex-direction:column;align-items:stretch}
  .btn-reset{width:100%}
  .amount input{font-size:1.5rem}
  .formula-steps li{grid-template-columns:1fr;gap:2px}
  .formula-steps code{grid-row:auto;grid-column:1;text-align:left;margin-top:4px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;scroll-snap-type:none}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .zzz-field{display:none}
  .moon,.stars{translate:none}
  .nav{transition:none}
  /* the sweep would freeze mid-gradient, so drop it back to flat gold */
  .shine{background:none;-webkit-text-fill-color:var(--gold-soft);color:var(--gold-soft)}
  .split-idle::before{display:none}
}