/* CICADA site v2 */
@font-face { font-family: "Serif"; src: url(/instrument-serif-latin-400-normal.woff2?v=3) format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Serif"; src: url(/instrument-serif-latin-400-italic.woff2?v=3) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "JBM"; src: url(/jetbrains-mono-latin-400-normal.woff2?v=3) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JBM"; src: url(/jetbrains-mono-latin-500-normal.woff2?v=3) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "JBM"; src: url(/jetbrains-mono-latin-700-normal.woff2?v=3) format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --ink: #0a0a0a; --ink2: #141413; --ink3: #1c1c1a; --paper: #f2f0ea; --paper2: #e7e4db; --rule: #3a3a38; --rule-soft: #262624;
  --muted: #8a8984; --muted-p: #6b6a65; --signal: #c8281e;
  --serif: "Serif", "Iowan Old Style", Georgia, serif;
  --mono: "JBM", ui-monospace, "DejaVu Sans Mono", monospace;
  --gut: max(16px, env(safe-area-inset-left));
  --out: cubic-bezier(.22,1,.36,1); --pop: cubic-bezier(.15,.7,.3,1);
  --maxw: 1320px;
}
[hidden] { display: none !important; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 400 15px/1.6 var(--mono); overflow-x: clip; }
body.is-loading { overflow: hidden; }
a { color: inherit; }
::selection { background: var(--paper); color: var(--ink); }
:focus-visible { outline: 2px solid var(--paper); outline-offset: 3px; }
.lab { font: 500 11px/1 var(--mono); letter-spacing: .14em; color: var(--muted); margin: 0; }
.quiet { color: var(--muted); }

/* ---------- loader ---------- */
.loader { position: fixed; inset: 0; z-index: 50; background: var(--ink); display: grid; place-content: center; justify-items: center; gap: 14px; transition: opacity .45s ease, visibility 0s .45s; }
body:not(.is-loading) .loader { opacity: 0; visibility: hidden; }
.loader-mark { width: 54px; height: 54px; fill: var(--paper); animation: breathe 2.6s ease-in-out infinite; }
.loader-word { margin: 0; font: italic 400 34px/1 var(--serif); }
.loader-word .dots::after { content: ""; animation: dots 1.4s steps(4) infinite; }
.loader-hash { margin: 0; font: 400 12px/1 var(--mono); letter-spacing: .1em; color: var(--muted); font-variant-numeric: tabular-nums; }
@keyframes breathe { 50% { transform: translateY(-4px); opacity: .7; } }
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

/* ---------- top bar ---------- */
.bar { position: fixed; top: 0; left: 0; right: 0; z-index: 20; display: flex; align-items: center; gap: 20px; padding: max(10px, env(safe-area-inset-top)) var(--gut) 10px; transition: background .4s, border-color .4s; border-bottom: 1px solid transparent; }
.bar.solid { background: rgba(10,10,10,.86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom-color: var(--rule-soft); }
.bar-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-height: 40px; }
.bar-brand svg { width: 24px; height: 24px; fill: var(--paper); }
.bar-word { font: 700 13px/1 var(--mono); letter-spacing: .18em; }
.bar-nav { display: flex; gap: 22px; margin-left: 18px; }
.bar-nav a { font: 400 12px/1 var(--mono); color: var(--muted); text-decoration: none; padding: 12px 0; }
.bar-nav a:hover { color: var(--paper); }
.bar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.bar-status { display: flex; align-items: center; gap: 8px; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding-right: 6px; }
.bar-status i { width: 7px; height: 7px; background: var(--muted); display: inline-block; }
.bar-status.live i { background: var(--signal); animation: blink 1.7s steps(2) infinite; }
@keyframes blink { 50% { opacity: .15; } }
.bar-sound { display: flex; align-items: center; gap: 8px; min-height: 40px; min-width: 40px; justify-content: center; padding: 0 12px; background: transparent; border: 1px solid var(--rule); color: var(--muted); font: 400 12px/1 var(--mono); cursor: pointer; }
.bar-sound:hover { color: var(--paper); border-color: var(--muted); }
.bar-sound[aria-pressed="true"] { color: var(--paper); }
.eq { display: inline-flex; gap: 2px; align-items: flex-end; height: 12px; }
.eq i { width: 2px; height: 3px; background: currentColor; }
.bar-sound[aria-pressed="true"] .eq i { animation: eq 1s steps(3) infinite; }
.eq i:nth-child(2) { animation-delay: -.3s !important; } .eq i:nth-child(3) { animation-delay: -.55s !important; } .eq i:nth-child(4) { animation-delay: -.8s !important; }
@keyframes eq { 0% { height: 3px; } 33% { height: 12px; } 66% { height: 6px; } }
.bar-play { display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px; background: var(--paper); color: var(--ink); text-decoration: none; font: 700 13px/1 var(--mono); letter-spacing: .04em; }
.bar-play:hover { background: #fff; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background:
  radial-gradient(60% 55% at 73% 42%, rgba(242,240,234,.055), transparent 70%),
  linear-gradient(180deg, transparent 72%, rgba(242,240,234,.025) 80%, rgba(0,0,0,.4)); }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; touch-action: pan-y; }
.hero-still { display: none; }
.strata-labels { position: absolute; left: 0; right: 0; bottom: 0; top: 80%; margin: 0; padding: 0; list-style: none; z-index: 1; display: grid; grid-template-rows: repeat(5, 1fr); pointer-events: none; }
.strata-labels li { font: 400 11px/1 var(--mono); letter-spacing: .08em; color: #8a8984; align-self: stretch; text-align: right; display: flex; justify-content: flex-end; align-items: center; gap: 10px; padding-right: var(--gut); border-top: 1px solid rgba(242,240,234,.16); transition: background .6s; }
.strata-labels li:nth-child(even) { background: rgba(0,0,0,.28); }
.strata-labels li.open { background: linear-gradient(90deg, rgba(242,240,234,.02), rgba(242,240,234,.09)); border-top-color: rgba(242,240,234,.5); }
.strata-labels li::after { content: ""; width: 22px; height: 1px; background: currentColor; opacity: .6; }
.strata-labels li.open { color: var(--paper); }
.strata-labels li.open::before { content: "open"; color: var(--ink); background: var(--paper); padding: 3px 5px; font-weight: 700; letter-spacing: .1em; }
.strata-labels li.done { color: #6a6a6a; text-decoration: line-through; text-decoration-thickness: 1px; }
.hero-copy { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-top: 82px; padding-bottom: calc(20vh + 8px); pointer-events: none; }
.hero-copy a, .hero-copy button { pointer-events: auto; }
.hero-kicker { margin: 0 0 26px; font-variant-numeric: tabular-nums; font: 400 12px/1.4 var(--mono); color: var(--muted); letter-spacing: .02em; }
.hero-h { margin: 0; font: 400 clamp(64px, 9.3vw, 168px)/.84 var(--serif); letter-spacing: -.02em; }
.hero-h .ln { display: block; }
.hero-sub { margin: 22px 0 0; font: italic 400 clamp(30px, 3.6vw, 52px)/1 var(--serif); color: var(--paper); }
.hero-concept { margin: 28px 0 0; max-width: 36ch; font: 400 14px/1.6 var(--mono); color: rgba(242,240,234,.78); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; text-decoration: none; font: 700 14px/1 var(--mono); letter-spacing: .02em; border: 1px solid var(--paper); transition: transform .2s var(--out), background .2s; }
.btn-paper { background: var(--paper); color: var(--ink); }
.btn-paper:hover { background: #fff; transform: translateY(-2px); }
.btn-line { color: var(--paper); background: rgba(10,10,10,.4); }
.btn-line:hover { background: var(--paper); color: var(--ink); }
/* intro choreography: headline lines rise from below a soil line */
.hero-h .ln { overflow: hidden; }
.hero-h .ln > span { display: inline-block; }
.is-loading .hero-copy, .pre .hero-copy { visibility: hidden; }
.anim .hero-h .ln > span { transform: translateY(105%); animation: rise 1.2s var(--out) forwards; }
.anim .hero-h .ln:nth-child(2) > span { animation-delay: .12s; } .anim .hero-h .ln:nth-child(3) > span { animation-delay: .24s; } .anim .hero-h .ln:nth-child(4) > span { animation-delay: .36s; }
.anim .hero-kicker, .anim .hero-sub, .anim .hero-vault, .anim .hero-act { opacity: 0; animation: fade 1s var(--out) forwards; }
.anim .hero-kicker { animation-delay: .05s; } .anim .hero-sub { animation-delay: .7s; } .anim .hero-vault { animation-delay: .85s; } .anim .hero-act { animation-delay: 1.05s; }
@keyframes rise { to { transform: none; } }
@keyframes fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- ledger strip ---------- */
.ledger { position: relative; z-index: 3; display: grid; grid-template-columns: 1.5fr 1fr 1.3fr; max-width: var(--maxw); margin: 0 auto; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.ledger-cell { padding: 28px var(--gut) 30px; border-right: 1px solid var(--rule); min-width: 0; }
.ledger-cell:last-child { border-right: 0; }
.ledger-big { margin: 16px 0 8px; font: 400 clamp(48px, 6vw, 92px)/.9 var(--serif); font-variant-numeric: tabular-nums; letter-spacing: -.01em; transition: color .9s; }
.ledger-big .quiet { font-style: italic; font-size: .62em; }
.ledger-big .unit { font: 400 .34em/1 var(--mono); letter-spacing: .08em; color: var(--muted); margin-left: .3em; }
.ledger-big .of { color: var(--muted); }
.ledger-big.flash { animation: flash 1.1s var(--out); }
@keyframes flash { 0% { color: #fff; text-shadow: 0 0 22px rgba(242,240,234,.75); } 100% { text-shadow: none; } }
.ledger-sub { margin: 0; font: 400 12px/1.5 var(--mono); color: var(--muted); }
.ledger-sub a { color: var(--paper); text-underline-offset: 3px; margin-right: 8px; }
.ledger-hash { margin: 18px 0 10px; font: 400 15px/1.5 var(--mono); letter-spacing: .04em; overflow-wrap: anywhere; color: var(--paper); }
.ledger-hash.unsealed { font: italic 400 clamp(34px, 3.6vw, 52px)/1 var(--serif); letter-spacing: 0; color: var(--muted); }

/* ---------- section heads ---------- */
.sec-head { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); display: grid; grid-template-columns: 1fr minmax(0, 46ch); gap: 24px 60px; align-items: end; }
.sec-head h2, .rules h2, .log h2, .how-head h2 { margin: 0; font: 400 clamp(56px, 8.4vw, 132px)/.86 var(--serif); letter-spacing: -.02em; }
.sec-lede { margin: 0 0 10px; font: 400 14px/1.65 var(--mono); color: rgba(242,240,234,.75); }
.sec-lede em { font: italic 400 21px/1.3 var(--serif); color: var(--paper); display: block; margin-top: 10px; }

/* ---------- archive ---------- */
.archive { padding: 140px 0 120px; }
.files { max-width: var(--maxw); margin: 64px auto 0; padding: 0 var(--gut); display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; perspective: 1400px; }
.file { --tilt: 0deg; position: relative; background: var(--paper); color: var(--ink); min-height: 400px; padding: 18px 16px 16px; display: flex; flex-direction: column; text-align: left; border: 0; font: inherit; cursor: default;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  background-image: repeating-linear-gradient(180deg, transparent 0 27px, rgba(10,10,10,.075) 27px 28px), radial-gradient(120% 80% at 30% 0%, #f7f5ef, var(--paper) 60%, var(--paper2));
  transform: rotate(var(--tilt)); transition: transform .5s var(--out), box-shadow .5s; box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); }
.file:nth-child(1) { --tilt: -1.2deg; } .file:nth-child(2) { --tilt: .8deg; margin-top: 26px; } .file:nth-child(3) { --tilt: -.5deg; margin-top: 8px; } .file:nth-child(4) { --tilt: 1.1deg; margin-top: 34px; } .file:nth-child(5) { --tilt: -.9deg; margin-top: 14px; }
.file::before { content: ""; position: absolute; top: 12px; left: calc(50% - 6px); width: 12px; height: 12px; border-radius: 50%; background: var(--ink); box-shadow: inset 0 0 0 2px #2a2a28; } /* punched hole */
.file.underground { background-image: repeating-linear-gradient(180deg, transparent 0 27px, rgba(10,10,10,.06) 27px 28px), linear-gradient(180deg, #d9d6cc, #c9c5b9); color: #2b2b29; }
.file.is-open, .file.is-solved { cursor: pointer; }
.file.is-open:hover, .file.is-solved:hover, .file:focus-visible { transform: rotate(0) translateY(-8px); box-shadow: 0 40px 70px -30px rgba(0,0,0,.95); }
.f-top { display: flex; justify-content: space-between; align-items: baseline; font: 500 10px/1 var(--mono); letter-spacing: .14em; color: var(--muted-p); }
.f-num { margin: 22px 0 0; font: 400 112px/.8 var(--serif); letter-spacing: -.03em; }
.f-name { margin: 10px 0 0; font: italic 400 22px/1.1 var(--serif); }
.f-rows { margin: auto 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(10,10,10,.85); }
.f-rows li { display: flex; justify-content: space-between; gap: 8px; padding: 7px 0; border-bottom: 1px solid rgba(10,10,10,.18); font: 400 11px/1.3 var(--mono); }
.f-rows li span:first-child { color: var(--muted-p); letter-spacing: .08em; }
.f-rows li span:last-child { text-align: right; overflow-wrap: anywhere; }
.redact { display: inline-block; height: .95em; background: var(--ink); vertical-align: -1px; }
.f-redact { margin: 18px 0 14px; display: grid; gap: 7px; }
.f-redact i { display: block; height: 11px; background: var(--ink); }
.f-redact i:nth-child(1) { width: 92%; } .f-redact i:nth-child(2) { width: 64%; } .f-redact i:nth-child(3) { width: 78%; }
.underground .f-redact i { background: #3b3b38; }
.f-cta { margin-top: 12px; font: 700 12px/1 var(--mono); display: flex; justify-content: space-between; align-items: center; min-height: 40px; border: 1px solid var(--ink); padding: 0 12px; }
.f-ans { font: 400 13px/1.2 var(--mono); letter-spacing: .12em; }
/* stamps */
.stamp { --rot: -7deg; position: absolute; left: 58%; top: 53%; transform: translate(-50%, -50%) rotate(var(--rot)); filter: url(#ink); border: 3px solid currentColor; padding: 7px 12px 5px; font: 700 17px/1 var(--mono); letter-spacing: .16em; color: var(--ink); background: rgba(242,240,234,.12); mix-blend-mode: multiply; white-space: nowrap; pointer-events: none;
  -webkit-mask: radial-gradient(circle at 30% 40%, #000 60%, rgba(0,0,0,.75) 61%, #000 75%); mask: radial-gradient(circle at 30% 40%, #000 60%, rgba(0,0,0,.75) 61%, #000 75%); }
.stamp small { display: block; font: 500 9px/1.2 var(--mono); letter-spacing: .1em; margin-top: 3px; text-align: center; }
.stamp.red { color: var(--signal); text-shadow: .8px -.4px 0 rgba(120,20,20,.55), -.6px .5px 0 rgba(230,90,70,.35); box-shadow: 1px -1px 0 -1px rgba(120,20,20,.4); }
.stamp:not(.red) { text-shadow: .7px .3px 0 rgba(10,10,10,.35); }
.stamp::after { content: ""; position: absolute; inset: -3px; border: 1px solid currentColor; opacity: .25; transform: translate(1.2px, -.8px); }
.stamp.slam { animation: slam .55s var(--pop) both; }
@keyframes slam { 0% { transform: translate(-50%, -50%) rotate(calc(var(--rot) - 8deg)) scale(1.4); opacity: 0; } 50% { transform: translate(-50%, -50%) rotate(var(--rot)) scale(.97); opacity: 1; } 70% { transform: translate(-50%, -50%) rotate(var(--rot)) scale(1.01); } 100% { transform: translate(-50%, -50%) rotate(var(--rot)) scale(1); } }
.files.armed .stamp:not(.slam) { opacity: 0; }
.file.shake { animation: shake 90ms steps(1) 2; animation-delay: .3s; }
@keyframes shake { 0% { transform: rotate(var(--tilt)) translate(2px, -1px); } 50% { transform: rotate(var(--tilt)) translate(-2px, 1px); } }

/* ---------- how it works (pinned) ---------- */
.how { position: relative; border-top: 1px solid var(--rule); }
.how-pin { max-width: var(--maxw); margin: 0 auto; padding: 120px var(--gut) 60px; }
.how-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 60px; }
.how-rail { display: flex; gap: 6px; padding: 0; margin: 0 0 14px; list-style: none; }
.how-rail li { width: 28px; height: 3px; background: var(--rule); transition: background .4s; }
.how-rail li.on { background: var(--paper); }
.how-body { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 60px; align-items: stretch; }
.how-body > .stage { align-self: start; }
.stage { position: sticky; top: calc(50vh - min(34vh, 280px) + 30px); height: min(68vh, 560px); border: 1px solid var(--rule); background: linear-gradient(180deg, var(--ink2), var(--ink) 52%); overflow: hidden; }
.stage-tag { position: absolute; top: 12px; right: 12px; font: 500 10px/1 var(--mono); letter-spacing: .14em; color: var(--muted); border: 1px solid var(--rule); padding: 5px 7px; z-index: 3; }
.stage-sky { position: absolute; left: 0; right: 0; top: 0; height: 44%; }
.stage-sky > div { position: absolute; font: 400 11px/1.3 var(--mono); color: var(--muted); border: 1px solid var(--rule); padding: 8px 10px; background: var(--ink); transition: opacity .6s var(--out), transform .6s var(--out), color .4s, border-color .4s; }
.stage-sky b { color: var(--paper); font-weight: 500; display: block; margin-top: 2px; }
.st-owner { left: 6%; top: 22%; }
.st-wallet { left: 38%; top: 22%; opacity: .15; }
.st-vault { right: 6%; top: 22%; }
.st-vault-n { font: 400 30px/1 var(--serif) !important; }
.st-stamp { left: 40%; top: 58%; border: 3px solid var(--signal) !important; color: var(--signal) !important; font: 700 15px/1 var(--mono) !important; letter-spacing: .16em; transform: rotate(-7deg) scale(2.4); opacity: 0; background: transparent !important; }
.stage-ground { position: absolute; left: 0; right: 0; bottom: 0; height: 56%; display: grid; grid-template-rows: repeat(5, 1fr); border-top: 1px solid var(--muted); }
.sg { display: flex; justify-content: space-between; align-items: center; padding: 0 16px; border-bottom: 1px solid var(--rule-soft); font: 400 11px/1 var(--mono); color: var(--muted); transition: background .6s, color .6s; background-image: radial-gradient(rgba(242,240,234,.07) 1px, transparent 1.3px); background-size: 7px 6px; }
.sg:nth-child(2) { background-size: 5px 7px; } .sg:nth-child(3) { background-size: 9px 5px; } .sg:nth-child(4) { background-size: 6px 9px; } .sg:nth-child(5) { background-size: 11px 7px; }
.sg code { font: inherit; color: rgba(242,240,234,.4); }
.stage[data-step="1"] .sg, .stage[data-step="2"] .sg { color: var(--paper); }
.stage[data-step="4"] .sg:nth-child(2), .stage[data-step="5"] .sg:nth-child(2) { background-color: rgba(242,240,234,.1); color: var(--paper); }
.stage[data-step="4"] .sg:nth-child(2) code, .stage[data-step="5"] .sg:nth-child(2) code { color: var(--paper); }
.stage[data-step="4"] .sg:nth-child(1), .stage[data-step="5"] .sg:nth-child(1) { opacity: .45; }
.stage[data-step="2"] .st-wallet, .stage[data-step="3"] .st-wallet, .stage[data-step="4"] .st-wallet, .stage[data-step="5"] .st-wallet { opacity: 1; color: var(--paper); border-color: var(--muted); }
.stage[data-step="2"] .st-stamp, .stage[data-step="3"] .st-stamp { opacity: 1; transform: rotate(-7deg) scale(1); transition: transform .45s var(--pop), opacity .2s; }
.stage[data-step="5"] .st-vault { color: var(--paper); border-color: var(--paper); transform: translateY(-6px); }
.actor { position: absolute; left: 0; top: 0; z-index: 2; font: 500 12px/1 var(--mono); color: var(--ink); background: var(--paper); padding: 7px 9px; white-space: nowrap; transition: transform 1s var(--out), background .4s, color .4s; will-change: transform; box-shadow: 0 0 0 4px rgba(242,240,234,.08), 0 0 40px rgba(242,240,234,.25); }
.actor::before { content: "> "; color: var(--muted-p); }
.how-steps { display: grid; gap: 0; }
.step { min-height: 0; padding: 100px 0; display: flex; flex-direction: column; justify-content: center; transition: color .5s; }
.step:first-child { padding-top: 40px; }
.step:last-child { padding-bottom: 40vh; }
.step h3 { color: #bdbdbd; transition: color .5s; }
.step p { transition: color .5s; }
.step.on h3 { color: var(--paper); }
.step.on { opacity: 1; }
.step-n { margin: 0 0 18px; font: 500 11px/1 var(--mono); letter-spacing: .14em; color: var(--muted); }
.step h3 { margin: 0 0 18px; font: 400 clamp(38px, 4vw, 60px)/.95 var(--serif); letter-spacing: -.01em; }
.step p { margin: 0 0 14px; max-width: 44ch; color: #a8a8a8; font-size: 15.5px; line-height: 1.65; }
.step.on p { color: #d6d4ce; }
.step .step-fx { font-size: 13px; color: #b5b3ad; border-left: 2px solid var(--paper); padding-left: 12px; }
.step-mini { display: none; }


/* ---------- terminal ---------- */
.console { padding: 130px 0 100px; border-top: 1px solid var(--rule); background: radial-gradient(70% 50% at 50% 0%, rgba(242,240,234,.035), transparent); }
.console-grid { max-width: var(--maxw); margin: 56px auto 0; padding: 0 var(--gut); display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); gap: 18px; }
.term { position: relative; min-width: 0; border: 1px solid var(--rule); background: #0d0d0c; box-shadow: 0 0 0 1px #000, 0 40px 80px -40px #000, inset 0 0 120px rgba(242,240,234,.025); }
.term::after { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2; background: repeating-linear-gradient(180deg, rgba(242,240,234,.035) 0 1px, transparent 1px 3px), radial-gradient(120% 90% at 50% 50%, transparent 60%, rgba(0,0,0,.35)); }
.term-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--rule); font: 400 11px/1 var(--mono); color: var(--muted); }
.term-led { width: 7px; height: 7px; background: var(--muted); }
.term.live .term-led { background: var(--signal); }
.term-mode { margin-left: auto; letter-spacing: .12em; text-transform: uppercase; }
.out { height: min(62vh, 560px); overflow-y: auto; padding: 18px 18px 8px; white-space: pre-wrap; overflow-wrap: break-word; font: 400 13.5px/1.6 var(--mono); color: rgba(242,240,234,.9); text-shadow: 0 0 6px rgba(242,240,234,.18); scrollbar-width: thin; scrollbar-color: var(--rule) transparent; }
.out .l { margin: 0 0 2px; }
.out { -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 30px); mask-image: linear-gradient(180deg, transparent 0, #000 30px); padding-top: 26px !important; }
.out .me { color: var(--muted); text-shadow: none; }
.out .err { color: var(--paper); text-decoration: underline wavy var(--signal); text-underline-offset: 4px; }
.out .sig { color: var(--signal); font-weight: 700; text-shadow: 0 0 8px rgba(200,40,30,.35); }
.out .title { font: italic 400 26px/1.15 var(--serif); color: var(--paper); margin: 10px 0 8px; text-shadow: none; }
.out img { max-width: 100%; display: block; margin: 10px 0; border: 1px solid var(--rule); image-rendering: pixelated; }
.out a { color: var(--paper); text-underline-offset: 3px; }
.prompt { display: flex; align-items: center; border-top: 1px solid var(--rule); }
.prompt label { padding: 0 0 0 16px; color: var(--paper); }
.cmd-wrap { position: relative; flex: 1; min-width: 0; display: flex; }
.prompt input { flex: 1; min-width: 0; background: transparent; border: 0; color: var(--paper); font: 400 16px/1 var(--mono); padding: 16px 10px; outline: none; caret-color: transparent; }
.blk { position: absolute; top: 50%; left: 10px; width: .62em; height: 1.15em; font-size: 16px; transform: translateY(-50%); background: var(--paper); mix-blend-mode: difference; animation: blk 1.06s steps(1) infinite; pointer-events: none; }
@keyframes blk { 50% { opacity: 0; } }
.term-status { display: flex; flex-wrap: wrap; gap: 4px 22px; padding: 8px 14px; border-bottom: 1px solid var(--rule); font: 400 11px/1.4 var(--mono); color: var(--muted); background: #0b0b0a; }
.term-status b { color: var(--paper); font-weight: 500; font-variant-numeric: tabular-nums; }
.prompt input::placeholder { color: #555551; }
.prompt button { align-self: stretch; min-width: 64px; background: var(--paper); color: var(--ink); border: 0; font: 700 13px/1 var(--mono); cursor: pointer; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; border-top: 1px solid var(--rule); }
.chips button { min-height: 40px; padding: 0 14px; background: transparent; color: var(--paper); border: 1px solid var(--rule); font: 400 13px/1 var(--mono); cursor: pointer; }
.chips button:hover { border-color: var(--paper); background: var(--paper); color: var(--ink); }
.wallets { padding: 14px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--muted); }
.wallets p { margin: 0 0 10px; }
.wallets-row { display: flex; flex-wrap: wrap; gap: 6px; }
.wallets-row a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border: 1px solid var(--paper); color: var(--paper); text-decoration: none; font-weight: 700; font-size: 13px; }
.log { border: 1px solid var(--rule); padding: 22px 20px; background: var(--ink); display: flex; flex-direction: column; min-height: 0; }
.log h2 { font-size: clamp(40px, 4vw, 58px); margin-bottom: 18px; }
.log-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; max-height: min(62vh, 560px); }
.log-list li { display: grid; grid-template-columns: 62px 1fr; gap: 10px; padding: 11px 0; border-top: 1px solid var(--rule-soft); font: 400 12px/1.45 var(--mono); }
.log-list li .k { font: 500 10px/1.6 var(--mono); letter-spacing: .12em; color: var(--muted); }
.log-list li a { color: var(--paper); text-underline-offset: 3px; }
.log-list li.new { animation: rowin 1.4s var(--out); }
.log-list .log-quiet { display: block; font: italic 400 26px/1.2 var(--serif); color: var(--muted); border: 0; padding: 30px 0; }
@keyframes rowin { from { opacity: 0; transform: translateX(14px); background: rgba(242,240,234,.08); } to { opacity: 1; transform: none; background: transparent; } }

/* ---------- rules + footer ---------- */
.rules-head { position: sticky; top: 100px; align-self: start; }
.rules-lede { margin: 28px 0 0; max-width: 34ch; color: #cfcfcf; font-size: 14px; }
.rules-lede b { display: block; font: italic 400 30px/1.12 var(--serif); color: var(--paper); margin-bottom: 12px; }
.rules { max-width: var(--maxw); margin: 0 auto; padding: 120px var(--gut) 100px; border-top: 1px solid var(--rule); display: grid; grid-template-columns: 1fr minmax(0, 62ch); gap: 40px 60px; }
.rules ol { margin: 0; padding: 0; list-style: none; counter-reset: r; }
.rules li { counter-increment: r; position: relative; padding: 0 0 18px 48px; margin-bottom: 18px; border-bottom: 1px solid var(--rule-soft); color: rgba(242,240,234,.82); font-size: 14px; }
.rules li::before { content: counter(r); position: absolute; left: 0; top: -6px; font: 400 34px/1 var(--serif); color: var(--muted); }
.rules li b { color: var(--paper); }
code { font: inherit; background: var(--ink3); padding: 1px 6px; }
.foot { border-top: 1px solid var(--rule); padding: 70px var(--gut) max(40px, env(safe-area-inset-bottom)); max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 70px 1fr; gap: 6px 30px; }
.foot-mark { width: 44px; height: 44px; fill: var(--paper); grid-row: span 3; }
.foot-disc { margin: 0; max-width: 72ch; font-size: 13px; color: rgba(242,240,234,.75); }
.foot-risk { margin: 6px 0 0; font: italic 400 22px/1.2 var(--serif); }
.foot-meta { margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: 12px; color: var(--muted); }
.foot-meta a { text-underline-offset: 3px; }

/* ---------- portal (husk split) ---------- */
.portal { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; background: rgba(10,10,10,0); transition: background .5s; }
.portal.open { background: rgba(10,10,10,.94); }
.portal-wings { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.portal-wings { z-index: 2; }
.wing { position: absolute; width: min(64vmin, 560px); height: min(64vmin, 560px); fill: var(--paper); opacity: 0; transform-origin: 50% 40%; }
.seam-light { position: absolute; left: 50%; top: 50%; width: 3px; height: min(64vmin, 560px); transform: translate(-50%, -50%) scaleY(0); background: linear-gradient(180deg, transparent, #fff 18%, #fff 82%, transparent); box-shadow: 0 0 30px 10px rgba(255,255,255,.55), 0 0 120px 40px rgba(242,240,234,.25); opacity: 0; z-index: 1; pointer-events: none; }
.portal.splitting .wing { animation: wingin .28s ease-out forwards; }
.portal.splitting .wing-l { animation: wingin .28s ease-out forwards, wingL .9s cubic-bezier(.7,0,.2,1) .42s forwards; }
.portal.splitting .wing-r { animation: wingin .28s ease-out forwards, wingR .9s cubic-bezier(.7,0,.2,1) .42s forwards; }
.portal.splitting .seam-light { animation: seam 1.4s cubic-bezier(.3,0,.2,1) .18s forwards; }
@keyframes wingin { from { opacity: 0; transform: scale(.92); } to { opacity: 1; transform: none; } }
@keyframes wingL { 0% { transform: none; } 30% { transform: translateX(-10px) rotate(-1.5deg); } 100% { transform: translateX(-62vw) rotate(-16deg); opacity: .0; } }
@keyframes wingR { 0% { transform: none; } 30% { transform: translateX(10px) rotate(1.5deg); } 100% { transform: translateX(62vw) rotate(16deg); opacity: .0; } }
@keyframes seam { 0% { opacity: 0; transform: translate(-50%, -50%) scaleY(0); } 25% { opacity: 1; transform: translate(-50%, -50%) scaleY(1); width: 3px; } 55% { opacity: 1; width: 40vw; filter: blur(14px); } 100% { opacity: 0; width: 100vw; filter: blur(30px); transform: translate(-50%, -50%) scaleY(1.4); } }
.file-sheet { position: relative; width: min(760px, calc(100vw - 32px)); max-height: calc(100svh - 64px); overflow-y: auto; background: var(--paper); color: var(--ink); padding: 34px 34px 30px; clip-path: inset(46% 50% 46% 50%); transform: scale(.94); transition: clip-path .85s cubic-bezier(.7,0,.2,1) .62s, transform .85s cubic-bezier(.2,.7,.2,1) .62s; outline: none; z-index: 3;
  background-image: repeating-linear-gradient(180deg, transparent 0 27px, rgba(10,10,10,.06) 27px 28px); }
.portal.open .file-sheet { clip-path: inset(0 0 0 0); transform: none; }
.file-close { position: fixed; top: max(14px, env(safe-area-inset-top)); right: var(--gut); opacity: 0; transition: opacity .3s .6s; min-height: 40px; padding: 0 14px; background: var(--paper); color: var(--ink); border: 1px solid var(--ink); font: 700 12px/1 var(--mono); cursor: pointer; z-index: 3; }
.portal.open .file-close { opacity: 1; transition-delay: 1.2s; }
.fs-lab { font: 500 10px/1 var(--mono); letter-spacing: .14em; color: var(--muted-p); margin: 0 0 14px; }
.fs-title { margin: 0 0 22px; font: 400 clamp(36px, 5vw, 60px)/.95 var(--serif); letter-spacing: -.01em; }
.fs-body { margin: 0; overflow-wrap: anywhere; font: 400 13px/1.7 var(--mono); }
.fs-body .ln { white-space: pre-wrap; }
.fs-body .gap { height: 1.7em; }
.fs-body img { max-width: 100%; display: block; margin: 14px 0; image-rendering: pixelated; border: 1px solid var(--ink); }
.fs-meta { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--ink); font: 400 12px/1.6 var(--mono); }
.fs-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.fs-actions button { min-height: 44px; padding: 0 16px; background: var(--ink); color: var(--paper); border: 0; font: 700 13px/1 var(--mono); cursor: pointer; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .files { grid-template-columns: repeat(3, 1fr); }
  .bar-nav { display: none; }
}
@media (max-width: 899px) {
  .bar-word, .bar-status { display: none; }
  .bar-sound-t { display: none; }
  .hero-copy { justify-content: flex-start; padding-top: calc(min(70vw, 290px) + 96px); padding-bottom: 150px; }
  .hero-h { font-size: clamp(50px, 14.6vw, 84px); line-height: .86; }
  .hero-kicker { margin-bottom: 14px; }
  .hero-sub { margin-top: 14px; }
  .hero-concept { font-size: 13px; margin-top: 18px; }
  .hero-cta .btn { flex: 1 1 auto; }
  .strata-labels { top: auto; height: 118px; }
  .strata-labels li { font-size: 10px; }
  .ledger { grid-template-columns: 1fr 1fr; }
  .ledger-vault { grid-column: 1 / -1; border-right: 0; border-bottom: 1px solid var(--rule); }
  .ledger-cell { padding: 22px var(--gut); }
  .ledger-gen { border-right: 0; }
  .sec-head { grid-template-columns: 1fr; }
  .archive { padding: 100px 0 80px; }
  .files { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; padding-bottom: 30px; margin-top: 40px; scrollbar-width: none; }
  .files::-webkit-scrollbar { display: none; }
  .file { flex: 0 0 calc(100vw - 72px); max-width: 330px; scroll-snap-align: start; scroll-margin-left: 16px; margin-top: 0 !important; min-height: 420px; }
  .how-pin { padding-top: 90px; }
  .how-head { margin-bottom: 24px; }
  .how-body { grid-template-columns: 1fr; gap: 0; }
  .how-body > .stage { display: none; }
  .how-rail { display: none; }
  .step { min-height: 0; padding: 0 0 72px; }
  .step:first-child { padding-top: 0; }
  .step:last-child { padding-bottom: 40px; }
  .step h3 { color: var(--paper); }
  .step p { color: #cfcfcf; }
  .step-mini { display: block; position: relative !important; top: auto !important; height: 300px !important; margin: 0 0 22px; }
  .step h3 { font-size: 40px; }
  .stage-sky > div { font-size: 10px; padding: 6px 7px; }
  .st-owner { left: 4%; top: 30%; }
  .st-wallet { left: 36%; top: 30%; }
  .st-vault { right: 4%; top: 30%; }
  .st-vault-n { font-size: 22px !important; }
  .stage-tag { top: 8px; right: 8px; }
  .st-stamp { left: 34%; top: 66%; }
  .actor { font-size: 10.5px; padding: 6px 7px; max-width: calc(100% - 16px); overflow: hidden; text-overflow: ellipsis; }
  .sg { padding: 0 10px; font-size: 10px; }
  .console { padding: 90px 0 70px; }
  .console-grid { grid-template-columns: 1fr; margin-top: 36px; }
  .out { height: 58svh; font-size: 11px; line-height: 1.55; padding: 12px 26px 12px 12px; white-space: pre; overflow-x: auto;
    -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 30px), linear-gradient(90deg, #000 calc(100% - 26px), transparent); -webkit-mask-composite: source-in;
    mask-image: linear-gradient(180deg, transparent 0, #000 30px), linear-gradient(90deg, #000 calc(100% - 26px), transparent); mask-composite: intersect; }
  .out .title { white-space: normal; font-size: 22px; }
  .out .l { min-width: max-content; }
  .term-status { gap: 2px 14px; font-size: 10.5px; }
  .chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-right: 44px; -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 44px), transparent); mask-image: linear-gradient(90deg, #000 calc(100% - 44px), transparent); }
  .chips::-webkit-scrollbar { display: none; }
  .chips button { flex: 0 0 auto; min-height: 44px; padding: 0 12px; font-size: 12px; }
  .rules { grid-template-columns: 1fr; padding-top: 90px; }
  .rules-head { position: static; }
  .foot { grid-template-columns: 1fr; }
  .foot-mark { grid-row: auto; }
  .file-sheet { padding: 24px 18px; margin-top: 56px; max-height: calc(100svh - 80px); }
  .fs-body { font-size: 12px; line-height: 1.6; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-delay: 0s !important; transition-duration: .001s !important; scroll-behavior: auto !important; }
  .anim .hero-h .ln > span { transform: none; }
}
/* sealed / underground: stamp sits in the clear band under the redaction bars */
.file.underground .stamp, .file.is-sealed .stamp { top: 70%; left: 54%; }
.file.underground .f-redact, .file.is-sealed .f-redact { margin-bottom: 70px; }

/* ---------- round 2 ---------- */
.hero-foot { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px 56px; align-items: end; margin-top: 34px; }
.hero-vault { min-width: 0; }
.hv-num { margin: 0; font: 400 clamp(76px, 8.4vw, 136px)/.82 var(--serif); letter-spacing: -.02em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hv-num .u { font: 400 .26em/1 var(--mono); letter-spacing: .1em; color: var(--muted); margin-left: .25em; vertical-align: .9em; }
.hv-num .hv-quiet { font-style: italic; font-size: .5em; color: rgba(242,240,234,.7); letter-spacing: -.01em; }
.hv-num.tick { animation: flash 1.1s var(--out); }
.hv-num .dg { display: inline-block; }
.hv-num .dg.roll { animation: roll .5s var(--out); }
@keyframes roll { from { transform: translateY(-.35em); opacity: .2; } to { transform: none; opacity: 1; } }
.hv-note { margin: 12px 0 0; font: 400 12px/1.4 var(--mono); color: #a9a7a1; }
.hero-act .hero-concept { margin-top: 0; }
.hero-act .hero-cta { margin-top: 18px; }
.hero-sub { margin-top: 18px; }
.st-chain { position: absolute; left: 6%; right: 6%; bottom: 14px; display: flex; gap: 6px; align-items: center; border: 0 !important; background: transparent !important; padding: 0 !important; }
.st-chain span { margin-right: 6px; }
.st-chain i { flex: 1; height: 14px; border: 1px solid var(--rule); }
.stage[data-step="0"] .st-chain i:nth-child(2), .stage[data-step="2"] .st-chain i:nth-child(5), .stage[data-step="3"] .st-chain i:nth-child(7), .stage[data-step="4"] .st-chain i:nth-child(7), .stage[data-step="5"] .st-chain i:nth-child(10) { background: var(--paper); border-color: var(--paper); }
.stage-sky > div.st-chain { color: var(--muted); }
.stage-sky { height: 46%; }
.stage-ground { height: 54%; }
.sg { font-size: 12px; }
.files-pager { display: none; }
@media (max-width: 899px) {
  .hero-foot { grid-template-columns: 1fr; gap: 22px; margin-top: 24px; }
  .hv-num { font-size: clamp(64px, 19vw, 96px); }
  .files-pager { display: flex; justify-content: space-between; align-items: center; padding: 0 var(--gut); font: 500 12px/1 var(--mono); letter-spacing: .1em; color: var(--paper); }
  .files-pager .dots { display: flex; gap: 6px; }
  .files-pager .dots i { width: 18px; height: 3px; background: var(--rule); }
  .files-pager .dots i.on { background: var(--paper); }
  .files { padding-right: 56px; scroll-padding-left: 16px; }
  .hero-kicker { font-size: 11px; max-width: 34ch; }
}

/* ---------- round 3: desktop pairs every step with its own diagram (left column never empty) ---------- */
@media (min-width: 900px) {
  .how-body { display: block; }
  .how-body > .stage { display: none; }
  .how-steps { display: grid; gap: 0; }
  .step { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); grid-template-rows: 1fr auto auto auto auto 1fr; column-gap: 60px; padding: 0 0 200px; min-height: 0; }
  .step:first-child { padding-top: 0; }
  .step:last-child { padding-bottom: 40px; }
  .step > * { grid-column: 2; }
  .step > .step-n { grid-row: 2; } .step > h3 { grid-row: 3; } .step > p:not(.step-n):not(.step-fx) { grid-row: 4; } .step > .step-fx { grid-row: 5; }
  .step > .step-mini { display: block; grid-column: 1; grid-row: 1 / 7; position: relative; top: auto; height: 380px; margin: 0; }
  .step .step-mini { opacity: .78; transition: opacity .5s; }
  .step.on .step-mini { opacity: 1; }
}
.step-mini[data-step="3"] .st-stamp { border-color: var(--muted) !important; color: var(--muted) !important; }