:root{
  --bg:#0b0f14;--bg2:#10161d;--card:#141c25;--line:#223040;--ink:#e8eef5;--muted:#8a9bb0;
  --up:#2fd38a;--down:#ff5d6c;--acc:#2fd38a;--acc-ink:#04140c;--warn:#f5c451;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter Tight",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--up)}
img,svg{max-width:100%;display:block}
code{font-family:var(--mono);font-size:.88em;background:#1a2430;padding:.1em .35em;border-radius:5px}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.narrow{max-width:780px}
.center{text-align:center}
.small{font-size:.875rem}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--acc);color:var(--acc-ink);padding:8px 12px;border-radius:8px;z-index:99}

.site-head{position:sticky;top:0;z-index:20;background:rgba(11,15,20,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:-.01em;font-size:1.06rem}
.logo b{color:var(--up)}
.logo-mark{display:flex;gap:3px;align-items:flex-end;height:20px}
.logo-mark i{display:block;width:5px;border-radius:2px;background:var(--up)}
.logo-mark i:nth-child(1){height:9px;background:var(--down)}.logo-mark i:nth-child(2){height:15px}.logo-mark i:nth-child(3){height:20px}
.main-nav{display:flex;gap:22px;margin-left:auto}
.main-nav a{color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem}
.main-nav a:hover,.main-nav a[aria-current]{color:var(--ink)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--acc);color:var(--acc-ink);font-weight:700;text-decoration:none;border-radius:10px;padding:11px 18px;border:1px solid transparent;transition:transform .12s,filter .12s;white-space:nowrap}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-sm{padding:7px 12px;font-size:.88rem}
.btn-lg{padding:14px 22px;font-size:1.02rem}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--up)}

.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--up);margin:0 0 12px}
h1,h2,h3{letter-spacing:-.02em;line-height:1.12;margin:0 0 16px}
h1{font-size:clamp(2.2rem,5.2vw,3.7rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.2vw,2.35rem);font-weight:750}
h3{font-size:1.15rem;font-weight:700}
.hl{color:var(--up)}
.lede{font-size:1.14rem;color:#c4d0dd;max-width:62ch}

.hero{padding:72px 0 56px;background:radial-gradient(800px 380px at 85% 10%,rgba(47,211,138,.10),transparent 70%)}
.hero-coin{padding-top:28px}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 18px}
.hero-fig{margin:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.hero-fig figcaption{margin-top:8px}
.window-svg .g{stroke:var(--line);stroke-width:1}
.window-svg .t{fill:var(--muted);font:11px var(--mono)}
.window-svg .d{fill:var(--bg);stroke:var(--up);stroke-width:1.6}
.window-svg .settle{stroke:var(--warn);stroke-dasharray:4 4}
.window-svg .lbl{fill:var(--warn);font:600 11px var(--mono)}

.section{padding:76px 0}
.section.alt{background:var(--bg2);border-block:1px solid var(--line)}
.layers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.layers article{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.layers .num{font-family:var(--mono);color:var(--up);font-size:.85rem}
.layers h3{margin-top:10px}
.layers p{color:#b8c5d3;margin:0;font-size:.96rem}

.coin-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;margin-top:28px}
.coin-card{display:flex;flex-direction:column;gap:4px;padding:18px 14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.coin-card:hover{border-color:var(--up);transform:translateY(-2px)}
.coin-card .sym{font:700 1.3rem var(--mono)}
.coin-card .nm{color:var(--muted);font-size:.86rem}
.coin-card .go{color:var(--up);font-size:.84rem;margin-top:8px}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.stat-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat-list li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.stat-list b{display:block;font:700 2rem var(--mono);color:var(--up)}
.stat-list span{color:var(--muted);font-size:.92rem}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin:22px 0}
table.data{width:100%;border-collapse:collapse;font-size:.9rem}
table.data caption{caption-side:bottom;text-align:left;padding:10px 14px;color:var(--muted);font-size:.82rem}
table.data th,table.data td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
table.data th{font:600 .8rem var(--mono);color:var(--muted);background:var(--card);text-transform:none}
table.data td{font-family:var(--mono)}
table.data tbody tr:last-child td{border-bottom:0}

pre.code{margin:0;background:#070a0e;border:1px solid var(--line);border-radius:var(--r);padding:22px;overflow-x:auto;font:13.5px/1.65 var(--mono);color:#d6e1ec}
pre.code code{background:none;padding:0}
pre.code .c{color:#61748a}pre.code .k{color:#ff9eaa}pre.code .s{color:#9fe8c3}
.text-link{font-weight:600;text-decoration:none}

.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px;align-items:start}
.price-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.price-card.featured{border-color:var(--up);box-shadow:0 0 0 1px var(--up),0 20px 60px -30px rgba(47,211,138,.5)}
.badge{position:absolute;top:-12px;right:22px;margin:0;background:var(--up);color:var(--acc-ink);font:700 .75rem var(--mono);padding:4px 10px;border-radius:99px;letter-spacing:.06em;text-transform:uppercase}
.price{color:var(--muted);margin:4px 0 14px}
.price span{font:700 2.4rem var(--mono);color:var(--ink);letter-spacing:-.03em}
.price-card .btn-lg{width:100%;margin-top:8px}
.ticks{list-style:none;padding:0;margin:0 0 20px}
.ticks li{position:relative;padding-left:26px;margin:9px 0;color:#c4d0dd}
.ticks li::before{content:"";position:absolute;left:3px;top:.55em;width:10px;height:6px;border-left:2px solid var(--up);border-bottom:2px solid var(--up);transform:rotate(-45deg)}
.coin-buy{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.coin-buy li{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.coin-buy li span{color:var(--muted)}.coin-buy b{color:var(--ink);font-family:var(--mono);margin-right:6px}

.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;list-style:none;padding:14px 32px 14px 0;font-weight:600;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:10px;font:400 1.5rem var(--mono);color:var(--up)}
.faq details[open] summary::after{content:"−"}
.faq p{margin:0 0 16px;color:#b8c5d3}

.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--up);border-radius:var(--r);padding:24px}
.crumbs{padding-top:22px;color:var(--muted)}.crumbs a{color:var(--muted)}
.other-coins{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.other-coins a{font-family:var(--mono);font-weight:700;padding:8px 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink)}
.other-coins a:hover{border-color:var(--up)}
.toc a{color:var(--muted)}
.prose h2{font-size:1.25rem;margin-top:32px}
.prose p{color:#c4d0dd}

.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.guide-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-decoration:none;color:var(--ink);transition:border-color .15s}
.guide-card:hover{border-color:var(--up)}
.guide-card h2{font-size:1.25rem}.guide-card p{color:#b8c5d3;margin:0 0 12px}.guide-card .go{color:var(--up);font-weight:600}
.prose ul{padding-left:20px}.prose li{margin:8px 0;color:#c4d0dd}
.prose .table-wrap{margin:22px 0}
.prose pre.code{margin:18px 0}
.formula{font-size:1.2rem}
.dl-list{list-style:none;padding:0;margin:0 0 18px}
.dl-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.dl-list a{font-family:var(--mono);font-weight:700}
@media (max-width:640px){.guide-grid{grid-template-columns:1fr}}
.site-foot{border-top:1px solid var(--line);padding:56px 0 28px;background:#080b0f}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.site-foot h3{font-size:.8rem;font-family:var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:7px 0}
.site-foot a{color:#c4d0dd;text-decoration:none}.site-foot a:hover{color:var(--up)}
.foot-base{margin-top:36px;padding-top:18px;border-top:1px solid var(--line)}

@media (max-width:980px){
  .hero-grid,.two-col,.price-grid{grid-template-columns:1fr}
  .layers{grid-template-columns:1fr 1fr}
  .coin-grid{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .main-nav{display:none}
  .head-row .btn-sm{margin-left:auto}
  .hero{padding:44px 0 36px}
  .section{padding:52px 0}
  .layers{grid-template-columns:1fr}
  .coin-grid{grid-template-columns:repeat(2,1fr)}
  .stat-list{grid-template-columns:1fr 1fr}
  .cta-row .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}