:root { --bg: #0A0B0E; --card: #101217; --line: #22252C; --cr: #ECE8DF; --mut: #9C978C; --dim: #636058; --sand: #D8C29A; --cu: #D4895C; --sage: #86BE9C; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--cr); font: 400 16px/1.55 'Instrument Sans', system-ui, sans-serif; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.sand { color: var(--sand); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.row { display: flex; align-items: center; gap: 28px; }

.top { position: sticky; top: 0; z-index: 10; background: rgba(10,11,14,.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top .row { height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 600; font-size: 17px; }
nav { display: flex; gap: 22px; } nav a { text-decoration: none; color: var(--mut); font-size: 14px; } nav a:hover, nav a.on { color: var(--cr); }
.top .btn { margin-left: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 42px; padding: 0 18px; border-radius: 4px; border: 1px solid var(--line); background: var(--card); color: var(--cr); font: 600 14px 'Instrument Sans'; text-decoration: none; cursor: pointer; }
.btn.light { background: var(--cr); color: #111; border-color: var(--cr); }
.btn.sm { height: 36px; font-size: 13px; }
.btn.big { height: 52px; font-size: 16px; width: 100%; }
.btn:disabled { opacity: .45; cursor: default; }

.hero { padding: 64px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
h1 { font-stretch: 76%; font-weight: 500; font-size: clamp(60px, 7.6vw, 96px); line-height: .98; letter-spacing: -.03em; margin: 0 0 22px; }
.lede { color: var(--mut); font-size: 18px; max-width: 470px; margin: 0 0 26px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; }
.ctl { padding: 14px; display: grid; grid-template-columns: 1fr auto; gap: 12px; max-width: 470px; }
.ctl .btn { grid-column: 1 / -1; }
.fld { display: flex; flex-direction: column; gap: 6px; }
.fld > span { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.fld input { height: 42px; border-radius: 4px; border: 1px solid var(--line); background: var(--bg); color: var(--cr); font: 500 18px 'JetBrains Mono'; padding: 0 12px; width: 100%; outline: none; min-width: 0; }
.fld input:focus { border-color: var(--mut); }
.seg { display: flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; height: 42px; }
.seg button { width: 46px; border: 0; background: var(--bg); color: var(--mut); font: 600 15px 'JetBrains Mono'; cursor: pointer; }
.seg button.on { background: var(--cr); color: #111; }
.sub { display: flex; justify-content: space-between; max-width: 470px; margin-top: 12px; font-size: 12px; color: var(--dim); }
.sub #bal { color: var(--cr); }
.snd { background: none; border: 1px solid var(--line); border-radius: 4px; color: var(--mut); font-size: 11px; padding: 2px 8px; cursor: pointer; } .snd[aria-pressed="true"] { color: var(--sand); border-color: #3a3326; }

.stage { position: relative; }
#cv { width: 100%; height: auto; aspect-ratio: 12 / 11; display: block; }
.hint { text-align: center; font-size: 13px; color: var(--dim); margin-top: 6px; font-family: 'JetBrains Mono', monospace; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 30px; }
.stats > div { padding: 22px 0 20px; border-left: 1px solid var(--line); padding-left: 18px; } .stats > div:first-child { border-left: 0; padding-left: 0; }
.stats b { display: block; font-stretch: 80%; font-weight: 500; font-size: 32px; letter-spacing: -.02em; }
.stats span { color: var(--dim); font-size: 13px; }

.sec { padding: 72px 24px 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.sec-h { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 4px; }
h2 { font-stretch: 80%; font-weight: 500; font-size: 38px; letter-spacing: -.02em; margin: 0; }
h2.big { font-size: clamp(36px, 4.4vw, 52px); line-height: 1.02; margin: 8px 0 30px; }
.note { color: var(--mut); font-size: 13px; }
.eyebrow { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }

.list .it { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); cursor: default; }
.list .it.tap { cursor: pointer; } .list .it.tap:hover { background: rgba(255,255,255,.015); }
.dot { width: 26px; height: 26px; border-radius: 50%; box-shadow: 0 0 0 4px rgba(255,255,255,.04); }
.it .t { font-weight: 600; font-size: 15px; } .it .t small { color: var(--mut); font-weight: 400; }
.it .s { font-size: 12px; color: var(--dim); } .it .s .aw { color: var(--sage); letter-spacing: .1em; font-weight: 600; margin-right: 8px; }
.it .r { text-align: right; font: 500 15px 'JetBrains Mono'; } .it .r small { display: block; color: var(--dim); font-size: 11px; }
.win { color: var(--sage); } .lose { color: var(--cu); }
.empty { color: var(--dim); padding: 18px 0; font-size: 14px; }

.loop { display: grid; grid-template-columns: 420px 1fr; gap: 50px; align-items: center; }
#loop { width: 100%; max-width: 420px; }
.step h3 { font-stretch: 80%; font-weight: 500; font-size: 34px; margin: 8px 0 10px; }
.step p { color: var(--mut); font-size: 17px; margin: 0 0 10px; } .step .ex { font-size: 13px; color: var(--dim); word-break: break-all; }

.ver { padding: 22px; }
.formula { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 16px 18px; font-size: 14px; line-height: 1.9; color: var(--sand); }
.vf { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; margin-top: 14px; }
.vf input { height: 42px; border-radius: 4px; border: 1px solid var(--line); background: var(--bg); color: var(--cr); padding: 0 12px; font-size: 14px; outline: none; min-width: 0; }
.vout { margin-top: 14px; font-size: 13px; line-height: 1.85; color: var(--mut); word-break: break-all; } .vout b { color: var(--cr); } .vout a { color: var(--sand); }

.perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.perks .card { padding: 22px; } .perks b { font-size: 18px; font-weight: 600; } .perks p { color: var(--mut); margin: 8px 0 0; }
.cta { max-width: 420px; margin-top: 26px; }

.foot { display: flex; justify-content: space-between; gap: 30px; margin-top: 90px; padding: 26px 24px 40px; border-top: 1px solid var(--line); color: var(--dim); font-size: 13px; }

@media (max-width: 960px) {
  nav { display: none; }
  .hero-grid, .two, .loop { grid-template-columns: 1fr; }
  .stage { max-width: 520px; margin: 0 auto; width: 100%; }
  #loop { max-width: 340px; margin: 0 auto; display: block; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; } .sec { padding: 56px 16px 0; }
  .hero { padding-top: 28px; }
  .stats { grid-template-columns: 1fr 1fr; } .stats > div:nth-child(3) { border-left: 0; padding-left: 0; } .stats > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .perks { grid-template-columns: 1fr; }
  .vf { grid-template-columns: 1fr 1fr; } .vf .btn { grid-column: 1 / -1; }
  .foot { flex-direction: column; gap: 10px; }
}