:root {
  --bg: #070709;
  --card: #070709;
  --panel: #0f0f19;
  --line: rgba(255, 255, 255, .08);
  --rim: rgba(255, 255, 255, .15);
  --rim-2: rgba(255, 255, 255, .2);
  --text: #f6f6f5;
  --soft: #d3d2e0;
  --muted: #8d8ca3;
  --dim: #5d5c72;
  --accent: #7b5cff;
  --accent-soft: rgba(123, 92, 255, .14);
  --accent-text: #a994ff;
  --bad: #ff6b7d;
  --sans: 'Geist', 'Inter Tight', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --wide: 'Michroma', 'Inter Tight', sans-serif;
  --gutter: 60px;
  --peek: 56px;
  --stack-top: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; }
.mono { font-family: var(--mono); font-variant-ligatures: none; }
[hidden] { display: none !important; }
b { font-weight: 500; color: var(--text); }

/* ---------- top bar ---------- */
.top { position: relative; z-index: 40; display: flex; align-items: center; justify-content: space-between; padding: 44px var(--gutter) 0; }
.brand { display: grid; text-decoration: none; line-height: 1; gap: 6px; }
.brand-word { font: 27px/1 var(--wide); letter-spacing: .06em; }
.brand-word + .brand-word { color: var(--accent-text); }

.top-pills { display: flex; gap: 8px; }
.pill {
  display: inline-flex; align-items: center; height: 32px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--rim);
  background: rgba(9,9,16,.6); color: var(--soft); font-size: 14px; text-decoration: none; cursor: pointer; transition: border-color .2s, color .2s;
}
.pill:hover { border-color: var(--rim-2); color: var(--text); }
.pill-group { gap: 12px; cursor: default; }
.pill-group a { color: var(--soft); text-decoration: none; }
.pill-group a:hover { color: var(--text); }
.pill-group i { width: 1px; height: 14px; background: var(--rim); }
.menu-btn { display: none; }
.menu { position: absolute; right: 16px; top: 72px; display: grid; min-width: 200px; padding: 8px; border-radius: 18px; border: 1.5px solid var(--rim); background: #0e0e18; }
.menu button { background: none; border: 0; text-align: left; padding: 12px 14px; border-radius: 10px; cursor: pointer; font-size: 16px; }
.menu button:hover { background: var(--accent-soft); }

/* ---------- hero ---------- */
.hero {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 40px;
  padding: 104px var(--gutter) 108px;
}
.hero::before {
  content: ''; position: absolute; z-index: 0; width: 1040px; height: 900px; right: -80px; top: -300px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(150,142,190,.22), rgba(110,100,160,.10) 42%, rgba(9,9,16,0) 100%);
}
.hero h1 { position: relative; z-index: 1; margin: 0; font-size: clamp(64px, 8.2vw, 118px); line-height: 1.04; font-weight: 400; letter-spacing: -.012em; }
.hero .blurb { position: relative; z-index: 1; margin: 12px 0 0 60px; font-size: clamp(22px, 2vw, 29px); line-height: 1.3; color: var(--text); max-width: 520px; }

/* ---------- stacked cards ---------- */
.stack { padding: 0 var(--gutter); }
.card {
  position: relative; background: var(--card); border: 1.5px solid var(--rim); border-radius: 32px; padding: 10px 10px 0;
  margin-bottom: 0; display: flex; flex-direction: column;
}
.capsule {
  flex: none; display: flex; align-items: center; justify-content: center; gap: 14px; width: 100%; height: 46px; border-radius: 999px;
  border: 1.5px solid var(--rim); background: var(--card); color: var(--text); cursor: pointer;
  font: 15px/1 var(--wide); letter-spacing: .14em; transition: color .3s, border-color .3s;
}
.capsule:hover { border-color: var(--rim-2); }
.cap-mark { font: 500 11px/1 var(--mono); letter-spacing: .08em; color: #fff; background: var(--accent); padding: 5px 7px; border-radius: 6px; }
.frame { position: relative; margin-top: 10px; border: 1.5px solid var(--rim); border-radius: 24px; overflow: hidden; background: var(--bg); min-height: 0; }
.frame-inner { position: relative; z-index: 1; padding: 28px; }
.frame-media .frame-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; opacity: .55; z-index: 0; }
.frame-media::after { content: ''; position: absolute; inset: 0; z-index: 0; background: linear-gradient(90deg, rgba(9,9,16,.96) 0%, rgba(9,9,16,.78) 45%, rgba(9,9,16,.35) 100%); }

.info { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; padding: 32px 56px 54px; }
.info-mark { font: 30px/1 var(--wide); letter-spacing: .04em; margin: 4px 0 42px; }
.info-mark span { color: var(--accent-text); }
.info-r { display: flex; flex-direction: column; justify-content: space-between; }
.info h2 { margin: 0; font-size: clamp(30px, 3vw, 44px); line-height: 1.3; font-weight: 400; letter-spacing: -.005em; max-width: 620px; }
.info p { margin: 0 0 22px; font-size: clamp(19px, 2vw, 29px); line-height: 1.32; color: var(--text); max-width: 560px; }
.links { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.learn { background: none; border: 0; padding: 0 0 3px; border-bottom: 2px solid var(--text); font-size: 20px; cursor: pointer; text-decoration: none; color: var(--text); }
.learn:hover { border-color: var(--accent); color: var(--accent-text); }
.icon-pill { display: inline-flex; align-items: center; height: 32px; padding: 0 12px; border-radius: 999px; border: 1.5px solid var(--rim); color: var(--muted); font-size: 12px; }

/* the deck: every capsule stacked under the hero, top card peels away on scroll (see app.js) */
.deck-w { display: flex; flex-direction: column-reverse; gap: 14px; }
.deck-space { display: none; }
@media (min-width: 1024px) and (min-height: 760px) {
  :root { --H: calc(100vh - 32px); }
  .deck-w { flex-direction: column; gap: 0; }
  .deck-w > .card {
    position: sticky; top: calc(var(--stack-top) + var(--i) * var(--peek));
    height: var(--H); margin: 0;
  }
  .deck-w > .deck-w { margin-top: calc(var(--peek) - var(--H)); }
  .deck-space { display: block; height: calc(var(--H) + 5 * var(--peek)); }
  .frame { flex: 1 1 auto; display: flex; flex-direction: column; }
  .frame-inner { flex: 1 1 auto; min-height: 0; }
  .scroll-all { overflow-y: auto; }
  .split > .scroll, .split .table-wrap.scroll { overflow-y: auto; min-height: 0; }
  .frame-inner.split { height: 100%; }
  .card[data-card="ledger"] .split { grid-template-rows: minmax(0, 1fr); }
  .card[data-card="ledger"] .pane { display: flex; flex-direction: column; min-height: 0; }
  .card[data-card="ledger"] .table-wrap.scroll { flex: 1 1 auto; }
  .info { flex: 0 0 auto; }
  .card.under .capsule { color: #6e6d80; }
  .card.under .cap-mark { background: #3a3360; color: #b9b3d6; }
  .card .hist-balances { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
}

@media (max-width: 1023px), (max-height: 759px) {
  .card[data-card="ledger"] .table-wrap.scroll { max-height: 520px; overflow-y: auto; }
  .code { max-height: 220px; }
}

/* ---------- common content ---------- */
.label { color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 13.5px; margin: 10px 0 0; }
.big { font-size: clamp(48px, 5vw, 72px); line-height: 1.02; font-weight: 500; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.v { font-size: 17px; font-variant-numeric: tabular-nums; }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.pane { min-width: 0; }
.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.sub-title { margin: 22px 0 10px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.pane > .sub-title:first-child { margin-top: 0; }

.hist { display: grid; gap: 22px; align-content: space-between; }
.card .frame-inner.hist { overflow-y: auto; }
.hist-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.hist-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hist-balances { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: end; max-width: 820px; }
.hist-actions { display: grid; gap: 10px; min-width: 200px; }

.chain {
  display: flex; align-items: stretch; justify-content: flex-end; gap: 10px; overflow: hidden; min-height: 94px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 80px); mask-image: linear-gradient(90deg, transparent 0, #000 80px);
}
.block {
  flex: 0 0 auto; min-width: 136px; padding: 12px 14px; border: 1.5px solid var(--rim); border-radius: 14px;
  font: 12px/1.7 var(--mono); color: var(--muted); background: rgba(15,15,25,.85); cursor: pointer; text-align: left;
}
.block .id { color: var(--text); font-size: 14px; }
.block.tx { border-color: var(--accent); background: rgba(40,30,90,.55); }
.block.tx .kind { color: var(--accent-text); }
.block.next { border-style: dashed; cursor: default; background: none; }
.arrow { align-self: center; color: var(--dim); flex: 0 0 auto; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; letter-spacing: .06em; padding: 0 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; position: sticky; top: 0; background: var(--bg); }
.frame-media th { background: transparent; position: static; }
td { padding: 8px 6px; border-bottom: 1px solid var(--line); font: 13px/1.4 var(--mono); white-space: nowrap; }
th.r, td.r { text-align: right; }
tr.tx td { color: var(--accent-text); background: var(--accent-soft); }
tr.click { cursor: pointer; }
tr.click:hover td { background: rgba(255,255,255,.03); }
tr.sel td { background: rgba(123,92,255,.22); }
td .tag { font-family: var(--sans); font-size: 11px; color: var(--muted); margin-left: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px;
  border-radius: 999px; border: 1.5px solid var(--rim); background: transparent; cursor: pointer; font-weight: 500; font-size: 15px;
  transition: background .15s, border-color .15s, opacity .15s;
}
.btn:hover { border-color: var(--rim-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #8a6eff; }
.btn:disabled { opacity: .45; cursor: default; }
.btn.wide { width: 100%; margin-top: 16px; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.field { display: grid; gap: 6px; }
.field input, .field select { min-height: 46px; padding: 0 16px; border-radius: 14px; border: 1.5px solid var(--rim); background: var(--card); width: 100%; }
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); }
.form-grid { display: grid; grid-template-columns: 1.2fr 1.2fr .8fr; gap: 10px; align-items: end; }
.form-grid.two-col { grid-template-columns: 1fr auto; }

.lanes { display: grid; gap: 9px; }
.lane { display: grid; grid-template-columns: 56px 1fr 46px; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); }
.lane .bar { height: 8px; border-radius: 4px; background: rgba(255,255,255,.06); overflow: hidden; }
.lane .fill { height: 100%; width: 0; background: var(--accent); border-radius: 4px; transition: width .12s linear; }
.lane.bad .fill { background: var(--bad); }
.lane .pct { text-align: right; font-family: var(--mono); }
.result { display: flex; align-items: center; gap: 14px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); min-height: 64px; }
.result .ring { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 50%; border: 1.5px solid var(--accent); display: grid; place-items: center; color: var(--accent-text); font-size: 18px; }
.result.bad .ring { border-color: var(--bad); color: var(--bad); }
.result .headline { font-size: 22px; color: var(--accent-text); font-variant-numeric: tabular-nums; }
.result.bad .headline { color: var(--bad); }
.result .sub { color: var(--muted); font-size: 13px; }
.modes { display: grid; gap: 8px; }
.mode { display: grid; grid-template-columns: 20px 1fr; gap: 10px; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 16px; cursor: pointer; }
.mode:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.mode input { accent-color: var(--accent); margin: 3px 0 0; }
.mode span { display: block; color: var(--muted); font-size: 13px; }

[data-inspector] { scroll-margin-top: 24px; }
.code {
  margin: 0; padding: 14px; border-radius: 14px; background: var(--card); border: 1px solid var(--line);
  font: 12px/1.65 var(--mono); color: var(--soft); white-space: pre-wrap; word-break: break-all; max-height: 260px; overflow: auto;
}
.kv { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 8px 14px; font-size: 13px; margin-bottom: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); word-break: break-all; }
.pill-tabs { display: inline-flex; border: 1.5px solid var(--rim); border-radius: 999px; overflow: hidden; }
.pill-tabs button { background: none; border: 0; padding: 8px 14px; cursor: pointer; color: var(--muted); font-size: 13px; }
.pill-tabs button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-text); }
.entry-title { font-size: 22px; margin: 0 0 12px; font-weight: 400; }

.source { display: grid; gap: 24px; }
.prose p { margin: 0 0 12px; color: var(--soft); font-size: 14.5px; }
.facts { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1.5px solid var(--rim); border-radius: 20px; overflow: hidden; }
.fact { background: var(--bg); padding: 18px; }
.fact .v { font-size: 24px; font-weight: 500; }
.fact .k { color: var(--muted); font-size: 13px; }
.names { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-family: var(--mono); }
.names .n { padding: 10px 16px; border: 1.5px solid var(--rim); border-radius: 999px; }
.names .n small { display: block; color: var(--muted); font-size: 11px; }
.names .n.on { border-color: var(--accent); background: var(--accent-soft); }
.corrections { display: grid; gap: 8px; counter-reset: c; padding: 0; margin: 0; list-style: none; }
.corrections li { display: grid; grid-template-columns: 34px 1fr; gap: 8px; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 16px; font-size: 14px; }
.corrections li::before { counter-increment: c; content: counter(c, decimal-leading-zero); font-family: var(--mono); color: var(--accent-text); }
.corrections span { color: var(--muted); }
.sources { padding-left: 18px; margin: 0; color: var(--muted); font-size: 14px; }
.sources li { margin-bottom: 6px; }
.sources a { color: var(--soft); text-underline-offset: 3px; }
.fig { margin: 0; border-radius: 20px; overflow: hidden; border: 1.5px solid var(--rim); }
.fig img { display: block; width: 100%; height: auto; }

/* ---------- footer / toast ---------- */
.foot { display: flex; justify-content: space-between; align-items: center; gap: 16px 24px; flex-wrap: wrap; padding: 40px var(--gutter) 64px; color: var(--text); font-size: 17px; }
.foot-links { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-links a { text-decoration: none; color: var(--text); }
.foot-links a:hover { color: var(--accent-text); }
.foot-note { flex-basis: 100%; margin: 0; color: var(--muted); font-size: 13px; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 60; max-width: min(92vw, 540px);
  padding: 12px 18px; border-radius: 999px; background: #15152a; border: 1.5px solid var(--rim-2); font-size: 14px; box-shadow: 0 12px 40px rgba(0,0,0,.5);
}
.toast.bad { border-color: rgba(255,107,125,.5); }
.toast .mono { color: var(--accent-text); }
.toast.bad .mono { color: var(--bad); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  :root { --gutter: 32px; }
  .split, .hist-balances { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact:last-child { grid-column: 1 / -1; }
  .info { padding: 26px 30px 32px; }
}

@media (max-width: 760px) {
  :root { --gutter: 14px; }
  .top { padding: calc(18px + env(safe-area-inset-top)) 16px 0; }
  .brand-word { font-size: 24px; }
  .brand-sub { font-size: 10px; }
  .top-pills { display: none; }
  .menu-btn { display: grid; place-items: center; width: 52px; height: 40px; border-radius: 999px; border: 1.5px solid var(--rim); background: none; cursor: pointer; }
  .menu-btn svg { width: 20px; height: 20px; fill: none; stroke: var(--text); stroke-width: 2; }
  .hero { grid-template-columns: 1fr; gap: 0; padding: 36px 20px 40px; text-align: center; }
  .hero::before { width: 520px; height: 460px; right: -140px; top: -220px; }
  .hero h1 { font-size: 46px; line-height: 1.04; }
  .hero h1 br { display: none; }
  .hero .blurb { font-size: 18px; margin: 14px auto 0; max-width: 360px; }
  .card { border-radius: 26px; padding: 8px 8px 0; margin-bottom: 14px; }
  .capsule { height: 46px; font-size: 13px; letter-spacing: .1em; }
  .frame { border-radius: 20px; margin-top: 8px; }
  .frame-inner { padding: 18px 16px; }
  .frame-media::after { background: linear-gradient(180deg, rgba(9,9,16,.9) 0%, rgba(9,9,16,.82) 60%, rgba(9,9,16,.92) 100%); }
  .hist-stats { gap: 18px 26px; }
  .block { min-width: 122px; }
  .info { grid-template-columns: 1fr; gap: 0; padding: 22px 12px 26px; }
  .info h2 { font-size: 26px; margin-bottom: 18px; }
  .info-mark { font-size: 20px; margin: 0 0 18px; }
  .hero .blurb { margin: 14px auto 0; }
  .brand-word { font-size: 18px; }
  .foot-links { gap: 18px; font-size: 15px; }
  .info p { font-size: 17px; margin-bottom: 18px; }
  .learn { font-size: 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid.two-col { grid-template-columns: 1fr auto; }
  .btn-row { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px; }
  .kv dd { margin-bottom: 8px; }
  td, th { font-size: 12px; }
  .hide-sm { display: none; }
  .ledger-pane-scroll { max-height: 60vh; overflow-y: auto; }
  .foot { padding: 24px 20px calc(36px + env(safe-area-inset-bottom)); flex-direction: column; font-size: 13px; }
}