/* ============================================================
   Cenco — production implementation of "Cenco Website v2"
   (claude.ai/design project: Cenco 2031 website design)
   Dark navy, sharp corners, Archivo + IBM Plex Mono.
   Fonts are self-hosted (CSP: self + inline only).
   ============================================================ */

@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/Archivo-var.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/IBMPlexMono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/IBMPlexMono-500.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/IBMPlexMono-600.woff2') format('woff2');
}

:root {
  --bg: #070D19;
  --bg-deep: #081020;
  --bg-deepest: #060B15;
  --panel: #0A1224;
  --panel-2: #0C1526;
  --card: #0E1930;
  --card-hover: #0E1D3D;
  --side: #081020;
  --line: #16233C;
  --line-strong: #2E446E;
  --line-blue: rgba(133, 178, 255, 0.25);
  --line-blue-soft: rgba(133, 178, 255, 0.12);
  --line-blue-faint: rgba(133, 178, 255, 0.08);
  --text: #E8EEFA;
  --body: #A9BCDD;
  --soft: #C9D7F0;
  --muted: #8FA3C4;
  --faint: #5E7297;
  --blue: #2C67DA;
  --blue-bright: #4C8DFF;
  --blue-light: #85B2FF;
  --blue-lighter: #B7D2FF;
  --green: #43C99A;
  --gold: #E7B54A;
  --navy-1: #0B1A3E;
  --navy-2: #122a63;
  --navy-3: #1c3f8f;
  --teal: #2f9e84;
  --sans: 'Archivo', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
body {
  font-family: var(--sans);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--blue-light); text-decoration: none; }
a:hover { color: var(--blue-lighter); }
::selection { background: rgba(76, 141, 255, 0.35); }
h1, h2, h3, p { margin: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.container { max-width: 1240px; margin: 0 auto; padding-left: 40px; padding-right: 40px; }

/* ---------- announcement banner ---------- */
.banner {
  display: flex; justify-content: center; align-items: center; gap: 12px;
  padding: 10px 20px;
  background: linear-gradient(100deg, var(--navy-2), var(--blue) 55%, var(--navy-3));
  font-size: 13px; color: var(--text);
}
.banner__new {
  display: inline-flex; padding: 2px 8px; background: var(--bg); color: var(--green);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
}
.banner a { color: #fff; font-weight: 600; border-bottom: 1px solid rgba(255, 255, 255, 0.5); }
.banner a:hover { color: #fff; border-color: #fff; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 64px;
  background: rgba(7, 13, 25, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.brand:hover { color: var(--text); }
.mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; background: var(--navy-1);
  border: 1px solid rgba(76, 141, 255, 0.45); flex: none;
}
.brand__word { font-size: 16px; font-weight: 600; letter-spacing: 0.14em; }
.chip-beta {
  padding: 3px 8px; border: 1px solid rgba(76, 141, 255, 0.5); color: var(--blue-light);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
}
button.btn {
  background: none; border: 1px solid transparent; cursor: pointer;
  font-family: var(--sans); color: var(--text);
}
.btn .arr { font-weight: 400; }
.btn--primary { padding: 15px 28px; background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-bright); color: #fff; }
.btn--outline { padding: 15px 28px; border: 1px solid var(--line-strong); color: var(--text); }
.btn--outline:hover { border-color: var(--blue-light); color: #fff; }
.btn--nav { padding: 10px 20px; font-size: 14px; }
.btn--dark { padding: 16px 30px; background: var(--bg); color: #fff; }
.btn--dark:hover { background: var(--card); color: #fff; }
.btn--white-outline { padding: 16px 30px; border: 1px solid rgba(255, 255, 255, 0.6); color: #fff; }
.btn--white-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); color: #fff; }
.btn-row { display: flex; gap: 2px; }

/* ---------- kicker ---------- */
.kicker {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.14em;
  color: var(--blue-bright);
}
.kicker::before {
  content: ""; width: 34px; height: 2px; flex: none;
  background: linear-gradient(90deg, var(--blue), var(--green));
}
.kicker--green { color: var(--green); }
.kicker--green::before { background: linear-gradient(90deg, var(--green), var(--blue)); }

/* ---------- hero ---------- */
.hero { position: relative; border-bottom: 1px solid var(--line); }
.hero__inner { padding-top: 100px; padding-bottom: 80px; display: flex; flex-direction: column; gap: 30px; }
.hero h1 {
  max-width: 900px;
  font-size: clamp(42px, 6.2vw, 76px);
  line-height: 1.02; font-weight: 700; letter-spacing: -0.03em;
  text-wrap: balance;
}
.hero__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.hero__lede { max-width: 560px; font-size: 19px; line-height: 1.55; color: var(--body); text-wrap: pretty; }

/* gradient band + product mock */
.hero__band { position: relative; }
.hero__band::before {
  content: ""; position: absolute; left: 0; right: 0; top: 90px; bottom: 0;
  background: linear-gradient(105deg, var(--navy-1) 0%, var(--navy-2) 30%, var(--blue) 62%, var(--teal) 88%, var(--green) 100%);
}
.hero__band .container { position: relative; padding-bottom: 90px; }

.mock {
  display: grid; grid-template-columns: 216px minmax(0, 1fr);
  overflow: hidden; background: var(--panel);
  border: 1px solid var(--line-blue);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55);
  text-align: left;
}
.mock__side {
  display: flex; flex-direction: column; gap: 4px; padding: 18px 12px;
  background: var(--side); border-right: 1px solid var(--line-blue-soft);
}
.mock__brand { display: flex; align-items: center; gap: 8px; padding: 4px 10px 16px; }
.mock__brand .mark { width: 22px; height: 22px; }
.mock__brand b { font-size: 12px; font-weight: 600; letter-spacing: 0.13em; }
.mock__brand .k { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--faint); }
.mock__item {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px;
  color: var(--muted); font-size: 13px; border-left: 2px solid transparent;
}
.mock__item--on {
  background: rgba(44, 103, 218, 0.22); color: var(--blue-lighter);
  font-weight: 500; border-left-color: var(--blue-bright);
}
.mock__org {
  margin-top: auto; display: flex; align-items: center; gap: 8px; padding: 10px;
  border-top: 1px solid var(--line-blue-soft); color: var(--muted); font-size: 12px;
}
.mock__org i { width: 22px; height: 22px; background: linear-gradient(135deg, var(--green), var(--blue)); flex: none; }
.mock__main { display: flex; flex-direction: column; gap: 16px; padding: 20px 24px; min-width: 0; }
.mock__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.mock__title { font-size: 16px; font-weight: 600; }
.mock__badges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge-ok {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px;
  background: rgba(67, 201, 154, 0.12); border: 1px solid rgba(67, 201, 154, 0.3);
  color: var(--green); font-family: var(--mono); font-size: 11px;
}
.badge-dim {
  padding: 5px 12px; border: 1px solid rgba(133, 178, 255, 0.18);
  color: var(--muted); font-family: var(--mono); font-size: 11px;
}
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi {
  display: flex; flex-direction: column; gap: 6px; padding: 14px;
  background: var(--card); border: 1px solid var(--line-blue-soft);
}
.kpi--hl { border-color: rgba(76, 141, 255, 0.35); }
.kpi__k { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.kpi__tag { padding: 1px 6px; background: rgba(67, 201, 154, 0.15); color: var(--green); font-family: var(--mono); font-size: 9px; }
.kpi__v { font-family: var(--mono); font-size: 19px; font-weight: 600; font-variant-numeric: tabular-nums; }
.kpi__d { font-family: var(--mono); font-size: 11px; color: var(--green); }
.kpi__d--dim { color: var(--muted); }
.mock__cols { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 12px; }
.mcard { padding: 14px; background: var(--card); border: 1px solid var(--line-blue-soft); }
.mcard__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.mcard__k { font-size: 12px; color: var(--muted); }
.mcard__note { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.mcard svg.spark { width: 100%; height: 120px; display: block; }
.postings { display: flex; flex-direction: column; }
.postings__list {
  display: flex; flex-direction: column; gap: 8px;
  font-family: var(--mono); font-size: 11.5px; font-variant-numeric: tabular-nums;
}
.postings__row { display: flex; justify-content: space-between; gap: 8px; }
.postings__row span:first-child { color: var(--body); }
.postings__row span:last-child { color: var(--text); }
.postings__ok { display: flex; align-items: center; gap: 6px; margin-top: 4px; color: var(--green); }

/* ---------- ticker ---------- */
@keyframes cencoTicker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker { overflow: hidden; background: var(--bg-deepest); border-bottom: 1px solid var(--line); }
.ticker__track { display: flex; width: max-content; animation: cencoTicker 36s linear infinite; }
.ticker__set { display: flex; }
.tick {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 30px;
  border-right: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--muted); white-space: nowrap;
}
.tick .green { color: var(--green); }
.tick .blue { color: var(--blue-bright); }
.tick .dot { width: 6px; height: 6px; background: var(--green); }

/* ---------- beta strip ---------- */
.betastrip { border-bottom: 1px solid var(--line); }
.betastrip__inner {
  padding-top: 26px; padding-bottom: 26px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.betastrip__live {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; color: var(--blue-light);
}
.betastrip__live i { width: 7px; height: 7px; background: var(--green); box-shadow: 0 0 10px rgba(67, 201, 154, 0.9); }
.betastrip__copy { font-size: 14px; color: var(--muted); }
.link-underline { font-size: 14px; font-weight: 600; color: var(--text); border-bottom: 1px solid var(--blue); }
.link-underline:hover { color: #fff; }

/* ---------- sections ---------- */
.section { border-bottom: 1px solid var(--line); }
.section--deep { background: var(--bg-deep); }
.section__inner { padding-top: 100px; padding-bottom: 100px; }
.sec-head { display: flex; flex-direction: column; gap: 16px; }
.sec-head h2 {
  font-size: clamp(32px, 4vw, 48px); line-height: 1.06;
  font-weight: 700; letter-spacing: -0.025em; text-wrap: balance;
}
.sec-lede { font-size: 17px; line-height: 1.65; color: var(--body); text-wrap: pretty; }

/* 1px grid technique */
.grid-1px { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-1px > * { background: var(--panel); min-width: 0; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- pillars ---------- */
.pillars-head { margin-bottom: 60px; }
.pillar { display: flex; flex-direction: column; gap: 16px; padding: 34px 30px; }
.pillar--green { border-top: 3px solid var(--green); }
.pillar--blue { border-top: 3px solid var(--blue); }
.pillar--light { border-top: 3px solid var(--blue-light); }
.pillar__n { font-family: var(--mono); font-size: 13px; }
.pillar h3 { font-size: 23px; font-weight: 600; letter-spacing: -0.015em; }
.pillar p { font-size: 15px; line-height: 1.6; color: var(--body); text-wrap: pretty; }
.pillar__tag { margin-top: auto; font-size: 14px; }
.c-green { color: var(--green); }
.c-blue { color: var(--blue-bright); }
.c-light { color: var(--blue-light); }

/* ---------- modules ---------- */
.modules-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 30px; margin-bottom: 56px; flex-wrap: wrap;
}
.modules-head p { max-width: 380px; font-size: 15px; line-height: 1.6; color: var(--muted); text-wrap: pretty; }
.module { display: flex; flex-direction: column; gap: 12px; padding: 26px 24px; }
.module:hover { background: var(--card-hover); }
.module--hl { box-shadow: inset 0 3px 0 var(--blue); }
.module h3 { font-size: 16px; font-weight: 600; }
.module p { font-size: 13.5px; line-height: 1.55; color: var(--muted); }
.soon { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.soon__label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--faint); }
.soon__chip { padding: 5px 12px; border: 1px dashed var(--line-strong); font-size: 12.5px; color: var(--muted); }

/* ---------- crypto story ---------- */
.crypto { position: relative; overflow: hidden; }
.crypto::before {
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 42%;
  background: linear-gradient(200deg, var(--navy-2) 0%, var(--navy-3) 45%, var(--teal) 100%);
  opacity: 0.35;
}
.crypto__inner {
  position: relative;
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center;
}
.crypto__copy { display: flex; flex-direction: column; gap: 18px; }
.arrow-list { display: flex; flex-direction: column; gap: 12px; margin-top: 6px; }
.arrow-list > div { display: flex; gap: 10px; align-items: baseline; }
.arrow-list .a { color: var(--green); font-family: var(--mono); font-size: 13px; }
.arrow-list .t { font-size: 15px; color: var(--soft); }

.subledger {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line-blue); background: var(--panel);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.subledger__head {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 14px 18px; border-bottom: 1px solid var(--line-blue-soft); background: var(--panel-2);
}
.subledger__title { font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--text); }
.badge-ok--sm { padding: 4px 10px; }
.subledger__row { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 8px; padding: 11px 18px; font-size: 12.5px; color: var(--soft); border-bottom: 1px solid rgba(133, 178, 255, 0.06); }
.subledger__row span + span { text-align: right; }
.subledger__cols { padding: 10px 18px; font-size: 11px; color: var(--faint); border-bottom: 1px solid var(--line-blue-faint); }
.subledger__tot { padding: 13px 18px; color: var(--text); background: var(--panel-2); font-weight: 600; border-bottom: none; }
.subledger__tot + .subledger__tot { border-top: 1px solid var(--line-blue-faint); }

/* ---------- trust & security ---------- */
.security__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.security__copy { display: flex; flex-direction: column; gap: 18px; }
.invariants-code {
  margin-top: 8px; padding: 18px 20px;
  background: var(--bg); border: 1px solid var(--line-strong); border-left: 3px solid var(--blue);
  font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--muted);
}
.invariants-code .cm { color: var(--faint); }
.invariants-code .kw { color: var(--blue-bright); }
.invariants-code .eq { color: var(--green); }
.invariants-code .gold { color: var(--gold); }
.checks { display: flex; flex-direction: column; }
.check { display: flex; gap: 14px; padding: 20px 22px; }
.check svg { flex-shrink: 0; margin-top: 2px; }
.check__body { display: flex; flex-direction: column; gap: 4px; }
.check__t { font-size: 15.5px; font-weight: 600; }
.check__s { font-size: 13.5px; line-height: 1.55; color: var(--muted); }

/* ---------- operate ---------- */
.operate-head { margin-bottom: 56px; }
.operate-head h2 { max-width: 760px; }
.opcard { display: flex; flex-direction: column; gap: 12px; padding: 30px 28px; }
.opcard h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.opcard p { font-size: 14.5px; line-height: 1.6; color: var(--body); }
.entities { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; font-family: var(--mono); font-size: 12px; }
.entity { display: flex; justify-content: space-between; gap: 8px; padding: 9px 12px; background: var(--card); border: 1px solid var(--line); }
.entity span:first-child { color: var(--soft); }
.entity span:last-child { color: var(--faint); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; font-family: var(--mono); font-size: 12px; }
.chip { padding: 6px 11px; border: 1px solid var(--line-strong); color: var(--muted); }
.chip--gold { background: rgba(231, 181, 74, 0.10); border-color: rgba(231, 181, 74, 0.3); color: var(--gold); }
.chip--blue { background: rgba(76, 141, 255, 0.10); border-color: rgba(76, 141, 255, 0.3); color: var(--blue-light); }
.chip--green { background: rgba(67, 201, 154, 0.10); border-color: rgba(67, 201, 154, 0.3); color: var(--green); }

/* ---------- early access ---------- */
.early__inner { display: flex; flex-direction: column; gap: 50px; }
.early-head { max-width: 640px; }
.earlycard { display: flex; flex-direction: column; gap: 10px; padding: 30px 28px; }
.earlycard__n { font-family: var(--mono); font-size: 13px; color: var(--blue-bright); }
.earlycard h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.earlycard p { font-size: 14.5px; line-height: 1.6; color: var(--body); }

/* ---------- final CTA ---------- */
.cta-final {
  background: linear-gradient(105deg, var(--navy-1) 0%, var(--navy-2) 25%, var(--blue) 60%, var(--teal) 88%, var(--green) 100%);
}
.cta-final__inner {
  padding-top: 110px; padding-bottom: 110px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.cta-final__copy { display: flex; flex-direction: column; gap: 18px; max-width: 680px; }
.cta-final h2 {
  font-size: clamp(34px, 4.6vw, 56px); line-height: 1.04;
  font-weight: 700; letter-spacing: -0.03em; color: #fff; text-wrap: balance;
}
.cta-final p { font-size: 18px; line-height: 1.6; color: rgba(255, 255, 255, 0.85); }

/* ---------- footer ---------- */
.footer { background: var(--bg-deepest); }
.footer__grid {
  padding-top: 60px; padding-bottom: 40px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
.footer__brand { display: flex; flex-direction: column; gap: 14px; }
.footer__brand .brand-row { display: flex; align-items: center; gap: 10px; }
.footer__brand .mark { width: 26px; height: 26px; }
.footer__brand b { font-size: 15px; font-weight: 600; letter-spacing: 0.14em; }
.footer__brand p { font-size: 13.5px; line-height: 1.6; color: var(--faint); max-width: 260px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; font-size: 13.5px; }
.footer__label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--faint); }
.footer__col a { color: var(--muted); }
.footer__col a:hover { color: var(--text); }
.footer__legal {
  padding-bottom: 40px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; color: var(--faint);
}

/* ============================================================
   Sub-pages + beta application
   ============================================================ */

/* nav links (index anchors + sub-pages) */
.nav__links { display: flex; align-items: center; gap: 6px; margin-right: auto; margin-left: 28px; }
.nav__links a { color: var(--muted); font-size: 13.5px; padding: 8px 12px; }
.nav__links a:hover { color: var(--text); }
.nav__links a[aria-current="page"] { color: var(--blue-lighter); }
.nav__right { display: flex; align-items: center; gap: 18px; }
.nav__toggle { display: none; }
@media (max-width: 860px) {
  .nav__toggle {
    display: grid; place-items: center; width: 40px; height: 40px;
    border: 1px solid var(--line); background: none; color: var(--text); cursor: pointer;
  }
  .nav__toggle svg { width: 18px; height: 18px; }
  .nav__links {
    display: none; position: absolute; top: 64px; left: 0; right: 0; z-index: 60;
    flex-direction: column; align-items: stretch; gap: 0; margin: 0;
    background: var(--bg-deepest);
    border-bottom: 1px solid var(--line); padding: 6px 20px 14px;
  }
  .nav.open .nav__links { display: flex; }
  .nav__links a { padding: 13px 4px; font-size: 15px; border-bottom: 1px solid var(--line-blue-faint); }
  .nav__links a:last-child { border-bottom: none; }
}
@media (max-width: 480px) {
  .chip-beta { display: none; }
  .nav { gap: 10px; }
  .nav__right { gap: 10px; }
  .btn--nav { padding: 9px 14px; font-size: 13px; }
}

/* page hero for sub-pages */
.page-hero { border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-hero__inner { padding-top: 90px; padding-bottom: 70px; display: flex; flex-direction: column; gap: 24px; position: relative; }
.page-hero h1 {
  max-width: 880px; font-size: clamp(38px, 5vw, 64px);
  line-height: 1.04; font-weight: 700; letter-spacing: -0.03em; text-wrap: balance;
}
.page-hero .hero__lede { max-width: 620px; }
.page-hero__glow {
  position: absolute; top: -40%; right: -10%; width: 60%; height: 160%;
  background: radial-gradient(closest-side, rgba(44, 103, 218, 0.22), transparent 70%);
  pointer-events: none;
}

/* status chips for module statuses */
.st { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; padding: 3px 9px; align-self: flex-start; }
.st--live { color: var(--green); background: rgba(67, 201, 154, 0.1); border: 1px solid rgba(67, 201, 154, 0.3); }
.st--next { color: var(--blue-light); background: rgba(76, 141, 255, 0.1); border: 1px solid rgba(76, 141, 255, 0.3); }
.st--road { color: var(--muted); border: 1px dashed var(--line-strong); }

/* module detail rows */
.detail-row { display: grid; grid-template-columns: 240px 1fr auto; gap: 24px; align-items: baseline; padding: 22px 24px; }
.detail-row h3 { font-size: 17px; font-weight: 600; }
.detail-row p { font-size: 14px; line-height: 1.6; color: var(--muted); }

/* legal / prose page */
.prose { max-width: 760px; }
.prose h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.015em; margin: 36px 0 12px; }
.prose p, .prose li { font-size: 15px; line-height: 1.7; color: var(--body); }
.prose ul { margin: 12px 0; padding-left: 20px; }

/* ---------- module flip cards ---------- */
.flip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; perspective: 1900px; }
.fcard { position: relative; perspective: 1600px; min-height: 380px; }

/* compact tiles — original module spec (4-up, icon + title + line),
   flip-enabled, with a cropped product fragment bleeding off the edge */
.flip-grid--modules {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); perspective: 1900px;
}
.fcard--sm { min-height: 264px; perspective: 1200px; }
.fcard--sm .fcard__face { padding: 26px 24px 22px; gap: 12px; }
.fcard--sm .fcard__face { border: none; background: var(--panel); }
.fcard--sm .fcard__face:hover { background: var(--card-hover); }
.fcard--sm .fcard__face--back { background: var(--panel-2); }
.fcard--sm h3 { font-size: 16px; font-weight: 600; letter-spacing: 0; }
.fcard--sm .fcard__desc { font-size: 13.5px; line-height: 1.55; color: var(--muted); margin: 0; }
.fcard--sm .fcard__icon { height: 20px; }
.fcard--sm.fcard--hl .fcard__face { box-shadow: inset 0 3px 0 var(--blue); }
.fcard--sm .fcard__hint {
  margin-top: auto; font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.12em; color: transparent; transition: color 0.25s;
}
.fcard--sm .fcard__face:hover .fcard__hint { color: var(--faint); }
.fcard--sm .fcard__back-list { gap: 8px; margin-top: 2px; }
.fcard--sm .fcard__back-list .t { font-size: 12.5px; line-height: 1.45; }
.fcard--sm .fcard__back-list .a { font-size: 11px; }
.fcard--sm .fcard__more { font-size: 12.5px; margin-top: auto; }

/* the fragment: a cropped sliver of product, off-edge, barely there */
.frag {
  position: absolute; right: -34px; bottom: 14px; width: 78%; min-width: 190px;
  display: flex; flex-direction: column; gap: 5px;
  font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 10.5px;
  transform: rotate(-3deg);
  opacity: 0.3; pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 78%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 78%, transparent 100%);
}
.fcard--sm .fcard__face:hover .frag { opacity: 0.55; transform: rotate(-2deg) translateY(-2px); }

/* title + image fronts: the fragment IS the visual — larger, centered, animated */
@keyframes fragFloat { from { transform: rotate(-3deg) translateY(0); } to { transform: rotate(-3deg) translateY(-7px); } }
.frag--main {
  right: -38px; left: 26px; bottom: 40px; width: auto; min-width: 0;
  font-size: 11px; gap: 6px; opacity: 0.42;
  animation: fragFloat 7.5s ease-in-out infinite alternate;
}
.fcard--sm:nth-child(even) .frag--main { animation-delay: -3.75s; }
.fcard--sm .fcard__face:hover .frag--main { opacity: 0.7; transform: rotate(-2deg) translateY(-4px); }
.fcard__backdesc { font-size: 12.5px; line-height: 1.5; color: var(--muted); margin: 0; }
@media (prefers-reduced-motion: reduce) {
  .frag { animation: none !important; }
}
.frag > span {
  display: flex; justify-content: space-between; gap: 8px;
  padding: 6px 10px; background: rgba(14, 25, 48, 0.7);
  border: 1px solid var(--line-blue-faint); color: var(--muted); white-space: nowrap;
}
.frag .ok { color: var(--green); }
.frag .warn { color: #F26981; }
.frag .au { color: var(--gold); }

@media (max-width: 1080px) {
  .flip-grid--modules { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .flip-grid--modules { grid-template-columns: 1fr; }
  .fcard--sm { min-height: 250px; }
}
/* scroll-on entrance: cards flip into place as they enter the viewport.
   .flip-prep is added by JS (no-JS stays fully visible). */
.fcard.flip-prep { opacity: 0; transform: rotateY(52deg) translateY(34px); transform-origin: 18% 50%; }
.fcard.flip-in {
  opacity: 1; transform: rotateY(0deg) translateY(0);
  transition:
    transform 0.95s cubic-bezier(0.22, 0.61, 0.36, 1) var(--fd, 0ms),
    opacity 0.7s ease var(--fd, 0ms);
}
.fcard__inner {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.fcard.is-flipped .fcard__inner { transform: rotateY(180deg); }
.fcard__face {
  position: absolute; inset: 0; overflow: hidden;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  background: var(--panel); border: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 26px 26px 22px; gap: 8px;
  cursor: pointer;
}
.fcard__face:hover { border-color: var(--line-strong); }
.fcard__face--back { transform: rotateY(180deg); background: var(--panel-2); border-color: var(--line-strong); }
.fcard__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.fcard__head h3 { font-size: 21px; font-weight: 600; letter-spacing: -0.015em; }
.fcard__tag { font-size: 15px; color: var(--muted); margin-top: 2px; }
.fcard__flip {
  flex: none; display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--faint);
  border: 1px solid var(--line); padding: 5px 10px; white-space: nowrap;
}
.fcard__face:hover .fcard__flip { color: var(--blue-light); border-color: rgba(76, 141, 255, 0.4); }
.fcard__vg { flex: 1; margin-top: 12px; min-height: 0; position: relative; }
.fcard__back-list { display: flex; flex-direction: column; gap: 11px; margin-top: 14px; flex: 1; }
.fcard__back-list > div { display: flex; gap: 10px; align-items: baseline; }
.fcard__back-list .a { color: var(--green); font-family: var(--mono); font-size: 13px; flex: none; }
.fcard__back-list .t { font-size: 14.5px; line-height: 1.5; color: var(--soft); }
.fcard__more { font-size: 14px; font-weight: 600; }

/* vignettes — abstract, faded glimpses of the product (not spec sheets).
   Tilted, low-contrast, melting into the card; they wake slightly on hover. */
@keyframes vgFloat { from { transform: rotate(-2deg) scale(1.07) translate(8px, 0); } to { transform: rotate(-2deg) scale(1.07) translate(8px, -7px); } }
.fcard__vg { overflow: hidden; }
.fcard__vg::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(200deg, transparent 30%, rgba(10, 18, 36, 0.55) 68%, rgba(10, 18, 36, 0.96) 100%);
}
.vg {
  height: 100%; display: flex; flex-direction: column; gap: 8px;
  padding: 14px 0 6px 14px;
  font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 12px;
  overflow: hidden; pointer-events: none;
  opacity: 0.52; filter: saturate(0.75);
  transform: rotate(-2deg) scale(1.07) translate(8px, 0);
  transform-origin: 20% 0%;
  transition: opacity 0.6s ease, filter 0.6s ease;
  animation: vgFloat 9s ease-in-out infinite alternate;
  mask-image: linear-gradient(155deg, rgba(0, 0, 0, 0.95) 35%, rgba(0, 0, 0, 0.35) 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(155deg, rgba(0, 0, 0, 0.95) 35%, rgba(0, 0, 0, 0.35) 80%, transparent 100%);
}
.fcard:nth-child(even) .vg { animation-delay: -4.5s; }
.fcard__face:hover .vg { opacity: 0.78; filter: saturate(1); }
.vg-row {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 9px 12px; background: rgba(14, 25, 48, 0.55); border: 1px solid var(--line-blue-faint);
  color: var(--muted); white-space: nowrap;
}
.vg-row .dim { color: var(--faint); }
.vg-row .num { font-weight: 600; color: var(--soft); }
.vg-foot {
  margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 10px 12px 4px 0; border-top: 1px solid var(--line-blue-faint);
  color: var(--faint); font-size: 11px;
}
.vg-pill { font-size: 10px; letter-spacing: 0.06em; padding: 3px 9px; white-space: nowrap; }
.vg-pill--blue { color: var(--blue-light); background: rgba(76, 141, 255, 0.12); border: 1px solid rgba(76, 141, 255, 0.3); }
.vg-pill--green { color: var(--green); background: rgba(67, 201, 154, 0.12); border: 1px solid rgba(67, 201, 154, 0.3); }
.vg-pill--red { color: #F26981; background: rgba(242, 105, 129, 0.10); border: 1px solid rgba(242, 105, 129, 0.3); }
.vg-pill--gold { color: var(--gold); background: rgba(231, 181, 74, 0.10); border: 1px solid rgba(231, 181, 74, 0.3); }
.vg-tree { display: flex; flex-direction: column; gap: 8px; position: relative; padding-left: 18px; }
.vg-tree::before { content: ""; position: absolute; left: 6px; top: 12px; bottom: 14px; width: 1px; background: var(--line-strong); }
.vg-tree .vg-row { position: relative; }
.vg-tree .vg-row::before { content: ""; position: absolute; left: -12px; top: 50%; width: 12px; height: 1px; background: var(--line-strong); }
.vg-add {
  align-self: flex-start; margin-left: 18px; padding: 7px 12px;
  background: var(--blue); color: #fff; font-size: 11px; letter-spacing: 0.04em;
}
.vg-spark { flex: 1; min-height: 70px; }
.vg-kpis { display: flex; gap: 8px; }
.vg-kpi { flex: 1; padding: 10px 12px; background: var(--card); border: 1px solid var(--line); }
.vg-kpi .k { font-size: 10px; color: var(--faint); letter-spacing: 0.08em; }
.vg-kpi .v { font-size: 15px; font-weight: 600; color: var(--text); margin-top: 3px; }
.vg-kpi .d { font-size: 10px; color: var(--green); margin-top: 2px; }

@media (max-width: 1080px) {
  .flip-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .fcard { min-height: 470px; }
}
@media (prefers-reduced-motion: reduce) {
  .fcard__inner { transition: none; }
  .vg { animation: none !important; }
  .fcard.flip-prep { opacity: 1; transform: none; }
  .fcard.flip-in { transition: none; }
}

/* ---------- beta application ---------- */
@keyframes orbA { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(60px, -50px) scale(1.12); } 100% { transform: translate(0, 0) scale(1); } }
@keyframes orbB { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-70px, 40px) scale(0.94); } 100% { transform: translate(0, 0) scale(1); } }
@keyframes ringSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes gridDrift { from { background-position: 0 0, 0 0; } to { background-position: 0 -44px, -44px 0; } }

.beta-stage {
  position: relative; min-height: calc(100vh - 64px);
  display: flex; flex-direction: column; overflow: hidden;
}
.beta-bg { position: absolute; inset: 0; pointer-events: none; }
.beta-bg__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(22, 35, 60, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 35, 60, 0.55) 1px, transparent 1px);
  background-size: 44px 44px;
  animation: gridDrift 14s linear infinite;
  mask-image: radial-gradient(ellipse 75% 70% at 50% 40%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 40%, #000 0%, transparent 78%);
}
.beta-bg__orb { position: absolute; border-radius: 50%; filter: blur(90px); }
.beta-bg__orb--a { width: 640px; height: 640px; top: -220px; right: -160px; background: rgba(44, 103, 218, 0.28); animation: orbA 16s ease-in-out infinite; }
.beta-bg__orb--b { width: 520px; height: 520px; bottom: -240px; left: -160px; background: rgba(47, 158, 132, 0.20); animation: orbB 19s ease-in-out infinite; }
.beta-bg__ring {
  position: absolute; top: 50%; left: 50%; width: 860px; height: 860px; margin: -430px 0 0 -430px;
  border: 1px solid rgba(133, 178, 255, 0.09);
  animation: ringSpin 120s linear infinite;
}
.beta-bg__ring::before {
  content: ""; position: absolute; top: -3px; left: 50%; width: 6px; height: 6px;
  background: var(--green); box-shadow: 0 0 14px rgba(67, 201, 154, 0.9);
}

.beta-progress { position: relative; height: 2px; background: var(--line); }
.beta-progress i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transition: width 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.beta-wrap {
  position: relative; flex: 1; display: flex; flex-direction: column; justify-content: center;
  max-width: 900px; width: 100%; margin: 0 auto; padding: 60px 40px 80px;
}
.step { display: none; flex-direction: column; gap: 26px; }
.step.is-on { display: flex; }
.step.anim-in { animation: stepIn 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
@keyframes stepIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }
.step.anim-in .opt { animation: stepIn 0.5s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
.step.anim-in .opt:nth-child(1) { animation-delay: 0.10s; }
.step.anim-in .opt:nth-child(2) { animation-delay: 0.18s; }
.step.anim-in .opt:nth-child(3) { animation-delay: 0.26s; }
.step.anim-in .opt:nth-child(4) { animation-delay: 0.34s; }
.step__meta {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--blue-bright);
}
.step__meta .rule { width: 34px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--green)); }
.step__meta .n { color: var(--faint); }
.step h1, .step h2 {
  font-size: clamp(34px, 4.6vw, 56px); line-height: 1.05;
  font-weight: 700; letter-spacing: -0.03em; text-wrap: balance;
}
.step .sub { font-size: 17px; line-height: 1.6; color: var(--body); max-width: 560px; }

.opts { display: flex; flex-direction: column; gap: 10px; }
.opt {
  display: flex; align-items: center; gap: 18px; text-align: left;
  padding: 20px 22px; background: rgba(10, 18, 36, 0.82); border: 1px solid var(--line);
  color: var(--text); font-family: var(--sans); font-size: 16.5px; cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.opt:hover { border-color: var(--blue-bright); background: var(--card-hover); transform: translateX(4px); }
.opt.is-picked { border-color: var(--green); background: rgba(67, 201, 154, 0.08); }
.opt__key {
  flex: none; width: 26px; height: 26px; display: grid; place-items: center;
  border: 1px solid var(--line-strong); color: var(--faint);
  font-family: var(--mono); font-size: 12px;
}
.opt:hover .opt__key { border-color: var(--blue-bright); color: var(--blue-light); }
.opt.is-picked .opt__key { border-color: var(--green); color: var(--green); }
.opt small { display: block; margin-top: 3px; font-size: 13px; color: var(--muted); }

.step__nav { display: flex; align-items: center; gap: 20px; margin-top: 4px; }
.back-link { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.08em; color: var(--faint); background: none; border: none; cursor: pointer; padding: 6px 0; }
.back-link:hover { color: var(--muted); }
.key-hint { font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.key-hint b { color: var(--muted); font-weight: 500; }

.fields { display: flex; flex-direction: column; gap: 14px; max-width: 560px; }
.field label { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--faint); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 14px 16px; background: rgba(10, 18, 36, 0.82);
  border: 1px solid var(--line); color: var(--text);
  font-family: var(--sans); font-size: 15.5px; outline: none;
}
.field input:focus, .field textarea:focus { border-color: var(--blue-bright); }
.field textarea { resize: vertical; min-height: 90px; }

.dossier {
  padding: 20px 22px; background: var(--bg); border: 1px solid var(--line-strong); border-left: 3px solid var(--green);
  font-family: var(--mono); font-size: 12.5px; line-height: 1.8; color: var(--muted);
  white-space: pre-wrap; max-width: 640px;
}
.dossier .k { color: var(--blue-bright); }

/* ============================================================
   Mobile 2031 — on phones the homepage becomes a three-panel
   atmosphere piece; the full desktop sections hide (.dt-only)
   and a Join-the-beta sheet rises after the last panel.
   ============================================================ */
.m31, .sheet { display: none; }

@keyframes m31rise {
  from { transform: translateY(12vh); opacity: 0; }
  10% { opacity: 0.75; }
  88% { opacity: 0.75; }
  to { transform: translateY(-112vh); opacity: 0; }
}
@keyframes m31glow { from { opacity: 0.5; } to { opacity: 1; } }

@media (max-width: 700px) {
  .dt-only { display: none !important; }
  .m31 { display: block; }
  /* homepage mobile chrome is bare: brand + Join the beta only */
  .nav--m31 .nav__toggle { display: none; }

  .m31__panel {
    position: relative; min-height: calc(100svh - 64px);
    display: flex; flex-direction: column; justify-content: flex-end;
    overflow: hidden; border-bottom: 1px solid var(--line);
    scroll-margin-top: 64px;
  }
  .m31__content {
    position: relative; z-index: 2;
    display: flex; flex-direction: column; align-items: flex-start; gap: 16px;
    padding: 0 24px 64px;
  }
  .m31__content h2 {
    font-size: clamp(40px, 12vw, 56px); line-height: 1.02;
    font-weight: 700; letter-spacing: -0.03em; text-wrap: balance;
  }
  .m31__line { font-size: 17px; line-height: 1.55; color: var(--body); max-width: 30ch; }
  .m31__year {
    font-size: clamp(120px, 38vw, 200px); line-height: 0.95; font-weight: 700;
    letter-spacing: -0.04em;
    background: linear-gradient(150deg, #E8EEFA 10%, var(--blue-bright) 55%, var(--green) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .m31__scroll {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--faint);
    animation: m31glow 1.6s ease-in-out infinite alternate;
  }

  /* rolling year: 2026 → 2031 */
  @keyframes m31tick {
    0% { transform: translateY(0); opacity: 1; }
    45% { transform: translateY(-0.18em); opacity: 0; }
    55% { transform: translateY(0.18em); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
  }
  .m31__year.tick { animation: m31tick 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
  .m31__line { transition: opacity 0.45s ease; }
  .m31__line.swap { opacity: 0; }

  /* panel 1 shares the beta page's living background */
  .m31__panel--open .beta-bg__ring { display: block; width: 480px; height: 480px; margin: -240px 0 0 -240px; }

  /* panel 2 — ledger rain */
  .m31__rain { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
  .m31__rain span {
    position: absolute; bottom: 0; white-space: nowrap;
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
    color: var(--blue-light); opacity: 0;
    animation: m31rise linear infinite;
  }
  .m31__rain span:nth-child(1) { left: 6%; animation-duration: 13s; animation-delay: -2s; color: var(--green); }
  .m31__rain span:nth-child(2) { left: 46%; animation-duration: 17s; animation-delay: -5s; }
  .m31__rain span:nth-child(3) { left: 72%; animation-duration: 12s; animation-delay: -8s; color: var(--faint); }
  .m31__rain span:nth-child(4) { left: 16%; animation-duration: 19s; animation-delay: -11s; }
  .m31__rain span:nth-child(5) { left: 58%; animation-duration: 14s; animation-delay: -13s; color: var(--green); }
  .m31__rain span:nth-child(6) { left: 30%; animation-duration: 16s; animation-delay: -7s; color: var(--gold); }
  .m31__rain span:nth-child(7) { left: 84%; animation-duration: 18s; animation-delay: -15s; }
  .m31__rain span:nth-child(8) { left: 38%; animation-duration: 15s; animation-delay: -17s; color: var(--faint); }
  .m31__panel--rain { background: var(--bg-deep); }
  .m31__panel--rain::after {
    content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: linear-gradient(180deg, var(--bg-deep) 0%, transparent 30%, transparent 60%, var(--bg-deep) 100%);
  }
  .m31__panel--rain .m31__content { z-index: 2; }

  /* panel 3 — the core rings over the signature gradient */
  .m31__panel--core {
    background: linear-gradient(160deg, var(--bg) 0%, var(--navy-2) 45%, var(--navy-3) 75%, var(--teal) 120%);
    border-bottom: none;
  }
  .m31__rings { position: absolute; top: 18%; left: 50%; z-index: 1; pointer-events: none; }
  .m31__rings i {
    position: absolute; top: 0; left: 0; transform: translate(-50%, -50%);
    border: 1px solid rgba(133, 178, 255, 0.35); display: block;
  }
  .m31__rings i:nth-child(1) { width: 220px; height: 220px; animation: ringSpin 60s linear infinite; }
  .m31__rings i:nth-child(2) { width: 150px; height: 150px; border-radius: 50%; border-color: rgba(76, 141, 255, 0.5); animation: ringSpin 40s linear infinite reverse; }
  .m31__rings i:nth-child(3) { width: 90px; height: 90px; animation: ringSpin 28s linear infinite; }
  .m31__rings i:nth-child(1)::before, .m31__rings i:nth-child(3)::before {
    content: ""; position: absolute; top: -3px; left: 50%; width: 5px; height: 5px; background: var(--green);
  }
  .m31__rings b {
    position: absolute; top: 0; left: 0; transform: translate(-50%, -50%);
    width: 10px; height: 10px; background: var(--green); border-radius: 50%;
    box-shadow: 0 0 24px rgba(67, 201, 154, 0.9);
  }
  .m31__full { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.8); }

  /* the join-beta sheet */
  .sheet {
    display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    background: var(--panel-2); border-top: 1px solid var(--line-strong);
    padding: 22px 24px calc(24px + env(safe-area-inset-bottom));
    box-shadow: 0 -24px 60px rgba(0, 0, 0, 0.55);
    transform: translateY(110%);
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  }
  .sheet.sheet--on { transform: translateY(0); }
  .sheet h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin: 0; }
  .sheet p { font-size: 14px; color: var(--muted); margin: 0; }
  .sheet .btn { align-self: stretch; justify-content: center; }
  .sheet__x {
    position: absolute; top: 14px; right: 14px; width: 34px; height: 34px;
    display: grid; place-items: center; background: none; border: 1px solid var(--line);
    color: var(--muted); cursor: pointer; font-size: 14px;
  }
}
@media (max-width: 700px) and (prefers-reduced-motion: reduce) {
  .m31__rain span, .m31__rings i, .m31__scroll { animation: none !important; }
  .m31__rain span { opacity: 0.4; position: static; display: inline-block; margin: 0 10px 6px 0; }
  .sheet { transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .crypto__inner, .security__inner { grid-template-columns: 1fr; gap: 40px; }
  .crypto::before { width: 100%; opacity: 0.18; }
}
@media (max-width: 860px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .nav { padding: 0 20px; }
  .nav__links { display: none; }
  .detail-row { grid-template-columns: 1fr; gap: 8px; }
  .beta-wrap { padding: 40px 20px 60px; }
  .beta-bg__ring { display: none; }
  .cols-3 { grid-template-columns: 1fr; }
  .hero__inner { padding-top: 64px; padding-bottom: 56px; }
  .section__inner { padding-top: 64px; padding-bottom: 64px; }
  .mock { grid-template-columns: 1fr; }
  .mock__side { display: none; }
  .mock__cols { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .banner { flex-wrap: wrap; text-align: center; }
  .cta-final__inner { padding-top: 72px; padding-bottom: 72px; }
}
@media (max-width: 620px) {
  .cols-4 { grid-template-columns: 1fr; }
  .subledger__row { font-size: 11px; padding: 10px 12px; }
  .btn-row { flex-direction: column; align-self: stretch; }
}
@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none !important; }
  [data-reveal], [data-reveal-group] > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .beta-bg__grid, .beta-bg__orb, .beta-bg__ring { animation: none !important; }
  .step.anim-in { animation: none !important; }
  .opt { transition: none !important; }
}