:root{
  --bg:#0B1220; --bg-2:#111827; --panel:#151d2e; --line:rgba(148,163,184,.18);
  --ink:#E8EEF8; --muted:#94A3B8; --faint:#64748B;
  --cyan:#22D3EE; --cyan-dim:rgba(34,211,238,.14); --lime:#A3E635; --lime-dim:rgba(163,230,53,.14);
  --warn:#FBBF24; --max:1140px;
  --font:"Sora",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  --shadow:0 20px 50px rgba(0,0,0,.35);
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit;text-decoration:none}
.container{width:min(100% - 2rem,var(--max));margin-inline:auto}

.site-header{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:.75rem;min-height:68px}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;letter-spacing:-.03em;margin-right:auto}
.brand__mark{color:var(--cyan);font-size:1.2rem}
.brand__text{font-size:1.05rem}
.brand__text small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-top:.1rem}
.nav{display:none;gap:.15rem}
.nav a{padding:.45rem .65rem;border-radius:.55rem;font-size:.84rem;font-weight:600;color:var(--muted)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);background:rgba(255,255,255,.04)}
.header-codes{display:flex;gap:.55rem;flex-shrink:0}
.chip{display:inline-flex;align-items:center;gap:.45rem;border:1px solid rgba(34,211,238,.45);background:var(--cyan-dim);color:var(--ink);border-radius:.75rem;padding:.62rem .85rem;cursor:pointer;font:inherit;box-shadow:0 0 0 1px rgba(34,211,238,.08)}
.chip span{font-family:var(--mono);font-size:1.05rem;font-weight:700;letter-spacing:.03em}
.chip em{font-style:normal;font-size:.78rem;font-weight:800;color:var(--cyan)}
.chip--alt{border-color:rgba(163,230,53,.45);background:var(--lime-dim);box-shadow:0 0 0 1px rgba(163,230,53,.08)}
.chip--alt em{color:var(--lime)}
.chip:hover{filter:brightness(1.12);transform:translateY(-1px)}
@media(min-width:960px){.nav{display:flex}}
@media(max-width:520px){.chip{padding:.55rem .7rem}.chip span{font-size:.92rem}.chip em{display:none}}

.hero{position:relative;overflow:hidden;padding:3.25rem 0 3.75rem;border-bottom:1px solid var(--line)}
.hero__bg{position:absolute;inset:0;background:
  radial-gradient(900px 420px at 85% 10%, rgba(34,211,238,.18), transparent 55%),
  radial-gradient(700px 380px at 10% 90%, rgba(163,230,53,.10), transparent 50%),
  linear-gradient(180deg, #0B1220 0%, #0e1628 100%);
  pointer-events:none}
.hero__bg::after{content:"";position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(148,163,184,.08) 1px, transparent 1px),linear-gradient(90deg, rgba(148,163,184,.08) 1px, transparent 1px);background-size:48px 48px;mask-image:linear-gradient(180deg,#000,transparent 90%)}
.hero__grid{position:relative;display:grid;gap:2rem}
@media(min-width:960px){.hero__grid{grid-template-columns:1.05fr .95fr;align-items:end}}
.kicker{display:inline-flex;align-items:center;gap:.5rem;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.hero h1{margin:.85rem 0 0;font-size:clamp(2.35rem,5.4vw,3.8rem);line-height:1.02;letter-spacing:-.045em;max-width:16ch}
.lede{margin:1rem 0 0;color:var(--muted);font-size:1.05rem;max-width:46ch}
.meta{margin:1rem 0 0;display:flex;flex-wrap:wrap;gap:.6rem .9rem;color:var(--faint);font-size:.86rem}
.meta strong{color:var(--ink);font-weight:600}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:1.5rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border-radius:.75rem;padding:.85rem 1.15rem;font-weight:700;border:1px solid transparent;cursor:pointer;font:inherit;font-size:.92rem}
.btn--primary{background:var(--cyan);color:#042f2e}.btn--primary:hover{filter:brightness(1.05)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}.btn--ghost:hover{border-color:rgba(34,211,238,.45)}
.btn--code{font-family:var(--mono);font-size:1.15rem;font-weight:700;letter-spacing:.02em;padding:1.05rem 1.35rem;border-radius:.9rem;min-height:3.25rem}
.btn--code.btn--primary{box-shadow:0 10px 28px rgba(34,211,238,.22)}
.btn--code.btn--ghost{border-width:1.5px;border-color:rgba(163,230,53,.5);background:var(--lime-dim)}
.btn--bonus{padding:.55rem .85rem;font-size:.78rem;font-weight:700;border-radius:.65rem;background:transparent;border:1px solid var(--line);color:var(--muted)}
.btn--bonus:hover{border-color:rgba(34,211,238,.4);color:var(--ink)}
.header-row .btn--bonus{padding:.5rem .75rem;font-size:.74rem;white-space:nowrap}

.ledger{background:rgba(21,29,46,.92);border:1px solid var(--line);border-radius:1.15rem;box-shadow:var(--shadow);overflow:hidden}
.ledger__head{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.15rem;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.ledger__head h2{margin:0;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.ledger__head .live{font-family:var(--mono);font-size:.72rem;color:var(--lime)}
.ledger__row{display:grid;grid-template-columns:1fr auto;gap:.75rem;align-items:center;padding:1.25rem 1.15rem;border-bottom:1px solid var(--line)}
.ledger__row:last-child{border-bottom:0}
.ledger__row .code{font-family:var(--mono);font-size:clamp(1.65rem,3vw,2.05rem);font-weight:700;letter-spacing:.04em;line-height:1.1}
.ledger__row .tag{display:inline-block;margin-top:.4rem;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan)}
.ledger__row .tag--phys{color:var(--lime)}
.ledger__row p{margin:.45rem 0 0;color:var(--muted);font-size:.9rem}
.ledger__row .copy-btn.btn{padding:.85rem 1.1rem;font-size:1rem;font-weight:800}
.ledger__row--bonus .code{font-size:1.05rem;font-family:var(--font);letter-spacing:-.02em;color:var(--muted)}
.ledger__row--bonus .btn--bonus{align-self:center}
.ledger__foot{padding:.9rem 1.15rem;background:rgba(0,0,0,.2);color:var(--faint);font-size:.82rem}

.section{padding:3.5rem 0}
.section-head{max-width:40rem;margin:0 0 1.6rem}
.section-head h2{margin:.4rem 0 0;font-size:clamp(1.55rem,3vw,2.15rem);letter-spacing:-.03em}
.section-head p{margin:.65rem 0 0;color:var(--muted)}

.answer{background:var(--panel);border:1px solid var(--line);border-radius:1rem;padding:1.25rem 1.35rem}
.answer h2{margin:0;font-size:1.05rem}
.answer p{margin:.65rem 0 0;color:var(--muted)}
.answer ul{margin:.75rem 0 0;padding:0;list-style:none;display:grid;gap:.45rem}
.answer li{display:grid;grid-template-columns:9.5rem 1fr;gap:.75rem;padding:.55rem .65rem;border-radius:.55rem;background:rgba(255,255,255,.03);font-size:.92rem}
.answer li strong{font-family:var(--mono);color:var(--cyan);font-size:.88rem}
@media(max-width:640px){.answer li{grid-template-columns:1fr}}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:1rem;background:var(--panel)}
table.facts{width:100%;border-collapse:collapse;min-width:560px}
table.facts th,table.facts td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--line);font-size:.92rem}
table.facts th{color:var(--faint);font-weight:600;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;background:rgba(255,255,255,.02)}
table.facts td code{font-family:var(--mono);color:var(--cyan);font-weight:700}
table.facts tr:last-child td{border-bottom:0}

.grid-3{display:grid;gap:1rem}
@media(min-width:800px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:1rem;padding:1.2rem}
.tile h3{margin:0;font-size:1.05rem}
.tile p{margin:.5rem 0 0;color:var(--muted);font-size:.92rem}
.tile a{color:var(--cyan);font-weight:700;font-size:.9rem;display:inline-block;margin-top:.75rem}

.faq{display:grid;gap:.7rem;max-width:760px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:.85rem;padding:1rem 1.1rem}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:.6rem 0 0;color:var(--muted)}

.site-footer{border-top:1px solid var(--line);padding:2.5rem 0 1.5rem;background:#070b14;color:var(--muted)}
.footer-grid{display:grid;gap:1.5rem}
@media(min-width:700px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
.site-footer h3{margin:0 0 .7rem;color:var(--ink);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.site-footer a{display:block;margin:.28rem 0;color:var(--muted)}.site-footer a:hover{color:var(--cyan)}
.footer-blurb{margin:.7rem 0 0;max-width:38ch;font-size:.9rem}
.footer-note{margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--line);font-size:.82rem;color:var(--faint)}
.toast{position:fixed;bottom:1rem;left:50%;transform:translateX(-50%);background:var(--lime);color:#14532d;padding:.65rem 1rem;border-radius:.7rem;font-weight:700;z-index:60}
.toast[hidden]{display:none}

.page-hero{padding:2.6rem 0 1.2rem;border-bottom:1px solid var(--line);background:radial-gradient(700px 280px at 80% 0%, rgba(34,211,238,.12), transparent)}
.page-hero h1{margin:.5rem 0 0;font-size:clamp(1.8rem,3.5vw,2.7rem);letter-spacing:-.03em}
.page-hero p{margin:.8rem 0 0;color:var(--muted);max-width:60ch}
.article{padding:2.4rem 0 4rem}
.wrap{width:min(100% - 2rem,760px);margin-inline:auto}
.prose h2{margin:2rem 0 .7rem;font-size:1.35rem;letter-spacing:-.02em}
.prose p,.prose li{color:var(--muted)}
.prose p{margin:.7rem 0}
.prose ul,.prose ol{padding-left:1.15rem}
.prose code{font-family:var(--mono);color:var(--cyan);font-weight:700}
.cta-box{margin:1.5rem 0;padding:1.15rem 1.25rem;border-radius:1rem;background:var(--cyan-dim);border:1px solid rgba(34,211,238,.28)}
.cta-box p{margin:0 0 .85rem;color:var(--ink)}
.text-link{color:var(--cyan);font-weight:700;text-decoration:underline}
.cite{margin-top:1.25rem;padding:1rem;border-left:3px solid var(--cyan);background:rgba(34,211,238,.06);color:var(--muted);font-size:.92rem}

.disclosure{margin-top:1rem;padding:.85rem 1rem;border-radius:.8rem;background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.28);color:var(--muted);font-size:.88rem}
.disclosure strong{color:var(--ink)}
@media(max-width:720px){.header-row .btn--bonus{display:none}}
.ledger__row--bonus{background:rgba(255,255,255,.02);opacity:.92}