/* Velvet Rail — near-black + cyan, private value transfer */
:root{
  --bg:#080d13; --bg2:#0c1219; --panel:#101823; --panel2:#152030;
  --line:#1e2c3d; --txt:#eaf4fb; --dim:#93a7bb; --mute:#5b6f84;
  --cy:#22d3ee; --cy2:#7fe7f7; --cy-deep:#0e7490;
  --good:#34d399; --bad:#fb7185;
  --r-lg:18px; --r:12px; --r-sm:8px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 26px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:var(--r-sm);font-weight:600;font-size:15px;transition:.2s;border:1px solid transparent;white-space:nowrap}
.btn-cy{background:linear-gradient(135deg,var(--cy2),var(--cy));color:#03252d}
.btn-cy:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-line{border-color:var(--line);color:var(--txt)}
.btn-line:hover{border-color:var(--cy);color:var(--cy2)}
section{padding:84px 0}
.kick{font-size:12px;letter-spacing:2.4px;text-transform:uppercase;color:var(--cy2);font-weight:700;margin-bottom:12px}
h2{font-size:clamp(25px,3.2vw,36px);font-weight:800;letter-spacing:-.6px;line-height:1.2}
.lead{color:var(--dim);max-width:560px;font-size:16px}
.sec-head{margin-bottom:44px;max-width:700px}
.sec-head .lead{margin-top:12px}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(8,13,19,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-weight:800;font-size:18.5px;display:flex;align-items:center;gap:10px;letter-spacing:-.2px}
.brand i{width:17px;height:17px;display:inline-block;border-radius:4px;background:linear-gradient(135deg,var(--cy2),var(--cy-deep));box-shadow:0 0 12px rgba(34,211,238,.45)}
.brand em{font-style:normal;color:var(--cy2)}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--dim)}
.nav-links a:hover{color:var(--txt)}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:22px;height:2px;background:var(--txt);display:block}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:var(--panel);flex-direction:column;padding:18px 26px;gap:14px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .burger{display:flex}
}

/* hero split + receipt */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding:96px 0 80px;position:relative}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(640px 400px at 85% 20%,rgba(34,211,238,.11),transparent 65%);pointer-events:none}
.hero-copy{position:relative;z-index:1}
.hero .pill{display:inline-block;padding:6px 15px;border:1px solid var(--line);border-radius:99px;font-size:12.5px;color:var(--dim);margin-bottom:18px}
.hero h1{font-size:clamp(34px,4.8vw,54px);font-weight:900;letter-spacing:-1.8px;line-height:1.08;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--cy2),var(--cy));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--dim);max-width:500px;font-size:16.5px;margin-bottom:30px}
.hero .row{display:flex;gap:14px;flex-wrap:wrap}
.hero-mini{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.hero-mini b{display:block;font-size:21px;font-weight:800;font-family:var(--mono);letter-spacing:-.5px}
.hero-mini span{font-size:11.5px;color:var(--mute);text-transform:uppercase;letter-spacing:1.2px}
@media(max-width:920px){.hero{grid-template-columns:1fr;padding-top:70px}.hero-visual{max-width:440px}}

/* receipt card */
.receipt{background:linear-gradient(165deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7);position:relative;z-index:1;font-family:var(--mono)}
.receipt::before{content:"";position:absolute;inset:-1px;border-radius:var(--r-lg);padding:1px;background:linear-gradient(140deg,rgba(34,211,238,.5),transparent 40%,transparent 70%,rgba(34,211,238,.2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.rc-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:8px}
.rc-head b{font-size:13px;letter-spacing:2px}
.rc-live{font-size:10.5px;color:var(--good);display:flex;align-items:center;gap:6px;letter-spacing:1.2px;text-transform:uppercase;font-weight:700}
.rc-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 8px var(--good);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.rc-row{display:flex;justify-content:space-between;align-items:center;padding:13px 2px;border-bottom:1px dashed var(--line);font-size:13px}
.rc-row:last-of-type{border:none}
.rc-row span{color:var(--mute);font-size:11px;text-transform:uppercase;letter-spacing:1.4px}
.rx{display:inline-block;background:#233246;color:transparent;border-radius:4px;font-size:12.5px;letter-spacing:1px;user-select:none;animation:rxGlow 3s ease-in-out infinite}
@keyframes rxGlow{0%,100%{background:#233246}50%{background:#2a3d55}}
.rc-ok{color:var(--good);font-weight:700;font-size:12.5px}
.rc-fee{color:var(--txt);font-size:12.5px}

/* ticker */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2);overflow:hidden;padding:13px 0}
.ticker-track{display:flex;gap:42px;white-space:nowrap;animation:slide 30s linear infinite;width:max-content}
@keyframes slide{to{transform:translateX(-50%)}}
.tick-item{font-size:13px;color:var(--dim);font-family:var(--mono);display:flex;gap:8px;align-items:center}
.tick-item b{color:var(--txt);font-family:var(--font);font-weight:600}
.up{color:var(--good)}

/* stats band */
.band{background:linear-gradient(120deg,#101823,#152030);border:1px solid var(--line);border-radius:var(--r-lg);padding:42px 38px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.band b{display:block;font-size:clamp(23px,2.6vw,31px);font-weight:800;font-family:var(--mono);letter-spacing:-1px;color:var(--cy2)}
.band span{font-size:12px;color:var(--mute);text-transform:uppercase;letter-spacing:1.3px}
@media(max-width:760px){.band{grid-template-columns:1fr 1fr;padding:30px 24px}}

/* comparison: public vs private */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cmp{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;position:relative}
.cmp.pub{border-color:rgba(251,113,133,.3)}
.cmp.priv{border-color:rgba(34,211,238,.45);box-shadow:0 0 40px -18px rgba(34,211,238,.4)}
.cmp .tag{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;padding:5px 13px;border-radius:99px;margin-bottom:20px}
.cmp.pub .tag{background:rgba(251,113,133,.12);color:var(--bad)}
.cmp.priv .tag{background:rgba(34,211,238,.12);color:var(--cy2)}
.cmp h3{font-size:17px;margin-bottom:16px}
.cmp-row{display:flex;justify-content:space-between;align-items:center;padding:11px 2px;border-bottom:1px dashed var(--line);font-family:var(--mono);font-size:13px}
.cmp-row:last-of-type{border:none}
.cmp-row span{color:var(--mute);font-size:10.5px;text-transform:uppercase;letter-spacing:1.2px;font-family:var(--font)}
.cmp-row .vis{color:var(--txt)}
.cmp-note{margin-top:18px;font-size:13px;color:var(--dim)}
.cmp.priv .cmp-note{color:var(--cy2)}
@media(max-width:820px){.compare{grid-template-columns:1fr}}

/* features */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;transition:.2s}
.fcard:hover{border-color:rgba(34,211,238,.4);transform:translateY(-3px)}
.fcard .ic{font-size:21px;display:block;margin-bottom:14px}
.fcard h3{font-size:16.5px;margin-bottom:8px}
.fcard p{color:var(--dim);font-size:14px}
@media(max-width:860px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid3{grid-template-columns:1fr}}

/* steps rows */
.step-rows{display:grid;gap:14px;counter-reset:s}
.step{display:flex;gap:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 26px;align-items:flex-start;transition:.2s}
.step:hover{border-color:rgba(34,211,238,.4)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-size:15px;color:var(--cy);letter-spacing:2px;margin-top:3px;font-weight:700}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{color:var(--dim);font-size:14.5px;max-width:640px}

/* tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tier{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;display:flex;flex-direction:column;transition:.2s;position:relative}
.tier:hover{border-color:rgba(34,211,238,.45);transform:translateY(-3px)}
.tier.hot{border-color:var(--cy)}
.tier .tag{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--cy);color:#03252d;font-size:10.5px;font-weight:800;letter-spacing:1.2px;padding:4px 14px;border-radius:99px}
.tier h3{font-size:15px;letter-spacing:1.2px;text-transform:uppercase;color:var(--dim)}
.tier .lv{font-family:var(--mono);font-size:30px;font-weight:700;letter-spacing:-1px;color:var(--cy2);margin:12px 0 4px}
.tier .lv small{font-size:13px;color:var(--mute);font-weight:500}
.tier ul{list-style:none;margin:20px 0;display:grid;gap:10px;flex:1}
.tier li{font-size:14px;color:var(--dim);display:flex;gap:10px}
.tier li::before{content:"✓";color:var(--cy2);font-weight:700}
@media(max-width:860px){.tiers{grid-template-columns:1fr;max-width:420px;margin:0 auto}}

/* faq */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:19px 22px;text-align:left;font-size:15px;font-weight:600}
.faq-q i{font-style:normal;color:var(--cy2);font-size:19px;flex-shrink:0;transition:.2s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 18px;color:var(--dim);font-size:14px}
.faq-item.open{border-color:rgba(34,211,238,.4)}
.faq-item.open .faq-q i{transform:rotate(45deg)}

/* cta */
.cta{background:linear-gradient(140deg,#152030,#0c1219);border:1px solid var(--line);border-radius:var(--r-lg);padding:56px 44px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 240px at 50% -60px,rgba(34,211,238,.14),transparent 70%)}
.cta h2{margin-bottom:12px;position:relative}
.cta p{color:var(--dim);margin-bottom:28px;position:relative}
.cta .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* footer */
footer{border-top:1px solid var(--line);padding:50px 0 30px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.foot-grid p{color:var(--mute);font-size:13px;max-width:280px;margin-top:12px}
.foot-grid h5{font-size:11.5px;text-transform:uppercase;letter-spacing:1.5px;color:var(--mute);margin-bottom:15px}
.foot-grid ul{list-style:none;display:grid;gap:9px}
.foot-grid ul a{color:var(--dim);font-size:13.5px;transition:.2s}
.foot-grid ul a:hover{color:var(--cy2)}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line);color:var(--mute);font-size:12.5px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,80px);z-index:200;background:var(--panel2);border:1px solid rgba(34,211,238,.5);color:var(--txt);border-radius:10px;padding:13px 20px;font-size:14px;box-shadow:0 16px 40px -10px rgba(0,0,0,.65);opacity:0;transition:.3s;pointer-events:none;white-space:nowrap}
.toast.show{transform:translate(-50%,0);opacity:1}