/* TYPE/262 — design system v3
   One family (Geist + Geist Mono). 77.5rem grid. 8pt spacing. Square corners, hairlines, one accent. */
:root {
  --bg: #0b0b0b;
  --bg-2: #111111;
  --bg-3: #171717;
  --fg: #f5f5f2;
  --dim: #8d8d88;
  --faint: #55554f;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .16);
  --acid: #d7ff3a;
  --on-acid: #0b0b0b;
  --hot: #ff5a36;
  --font: 'Geist', ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --max: 77.5rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section: clamp(6rem, 11vw, 10.5rem);
  --hud: 4rem;
  --ease: cubic-bezier(.65, 0, .35, 1);
  --out: cubic-bezier(.16, 1, .3, 1);
}
.light {
  --bg: #f3f3ef; --bg-2: #eaeae5; --bg-3: #e1e1db;
  --fg: #0b0b0b; --dim: #5f5f5a; --faint: #9a9a94;
  --line: rgba(0, 0, 0, .08); --line-2: rgba(0, 0, 0, .16);
  background: var(--bg); color: var(--fg);
}

*, *::before, *::after { box-sizing: border-box; }
/* Everything is sized in rem. Up to 1440px wide the root is 16px; beyond that the whole
   layout scales with the window (1.1111vw = 16px at 1440), capped for ultrawide screens. */
html { font-size: 16px; -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; }
@media (min-width: 1440px) { html { font-size: min(1.1111vw, 26px); } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 1.0625rem/1.55 var(--font); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
::selection { background: var(--acid); color: var(--on-acid); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
svg, canvas { display: block; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- type ---------- */
h1, h2, h3, p { margin: 0; }
.display { font-size: clamp(3.25rem, 8.4vw, 8.5rem); font-weight: 600; line-height: .95; letter-spacing: -.055em; }
.h2 { font-size: clamp(2.5rem, 5.4vw, 5.25rem); font-weight: 600; line-height: 1; letter-spacing: -.048em; }
.h3 { font-size: clamp(1.5rem, 2.4vw, 2.25rem); font-weight: 600; line-height: 1.1; letter-spacing: -.03em; }
.body { font-size: clamp(1.0625rem, 1.3vw, 1.1875rem); line-height: 1.55; color: var(--dim); max-width: 54ch; }
.body b { color: var(--fg); font-weight: 500; }
.num { font-weight: 500; letter-spacing: -.06em; line-height: .85; font-variant-numeric: tabular-nums; }
.mono, .label, .eyebrow { font-family: var(--mono); }
.label { font-size: 0.75rem; line-height: 1.3; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); }
.eyebrow { display: inline-flex; align-items: center; gap: 0.75rem; font-size: 0.75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.eyebrow::before { content: ''; width: 0.5rem; height: 0.5rem; background: var(--acid); }
.light .eyebrow::before { background: var(--fg); }
.accent { color: var(--acid); }
.light .accent { color: inherit; background: linear-gradient(transparent 64%, var(--acid) 64%, var(--acid) 92%, transparent 92%); }
.dim { color: var(--dim); }

/* ---------- layout ---------- */
.container { width: min(var(--max), 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { position: relative; padding-block: var(--section); border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 1.5rem; max-width: 62.5rem; margin-bottom: clamp(3.5rem, 6vw, 6rem); }
.section-head .h2 { text-wrap: balance; }
.section-head.center { margin-inline: auto; justify-items: center; text-align: center; }
.section-head.center .body { margin-inline: auto; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.center-x { display: flex; justify-content: center; }

/* ---------- HUD ---------- */
.hud { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--hud); transition: background .4s var(--out), border-color .4s; border-bottom: 1px solid transparent; }
.hud.solid, .app-page .hud { background: rgba(11, 11, 11, .78); -webkit-backdrop-filter: blur(1rem) saturate(1.6); backdrop-filter: blur(1rem) saturate(1.6); border-color: var(--line); }
/* The header spans the full window: logo pinned left, actions pinned right, nav centered. */
.hud .container { width: auto; margin-inline: var(--gutter); height: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.logo { justify-self: start; display: inline-flex; align-items: center; gap: 0.625rem; font: 600 1rem/1 var(--font); letter-spacing: -.02em; }
.logo i { width: 0.75rem; height: 0.75rem; background: var(--acid); }
.hud nav { display: flex; gap: 2rem; }
.hud nav a { font: 400 0.8125rem/1 var(--font); color: var(--dim); transition: color .2s; }
.hud nav a:hover { color: var(--fg); }
.hud .end { justify-self: end; display: flex; gap: 0.625rem; align-items: center; }
@media (max-width: 860px) { .hud nav { display: none; } .hud .container { grid-template-columns: 1fr auto; } }

/* ---------- buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  height: 3.25rem; padding: 0 1.5rem; border: 1px solid var(--line-2); background: transparent; cursor: pointer;
  font: 500 0.9375rem/1 var(--font); letter-spacing: -.01em; white-space: nowrap;
  transition: background .25s var(--out), color .25s var(--out), border-color .25s var(--out), transform .25s var(--out);
}
.btn:hover { border-color: var(--fg); }
.btn:active { transform: translateY(1px); }
.btn.primary, .btn.solid { background: var(--acid); color: var(--on-acid); border-color: var(--acid); }
.btn.primary:hover, .btn.solid:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.dark { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.dark:hover { background: var(--acid); color: var(--on-acid); border-color: var(--acid); }
.light .btn.primary:hover { background: var(--fg); color: var(--bg); }
.btn.invert { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.invert:hover { background: var(--acid); color: var(--on-acid); border-color: var(--acid); }
.btn.sm { height: 2.5rem; padding: 0 1rem; font-size: 0.875rem; }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn .arr { transition: transform .3s var(--out); }
.btn:hover .arr { transform: translateX(0.1875rem); }

/* ---------- fields ---------- */
.field { display: flex; align-items: stretch; height: 3.75rem; border: 1px solid var(--line-2); background: var(--bg-2); transition: border-color .2s, box-shadow .2s; }
.field:focus-within { border-color: var(--acid); box-shadow: 0 0 0 0.25rem rgba(215, 255, 58, .1); }
.field .pre { display: flex; align-items: center; padding-left: 1.25rem; font: 400 1rem/1 var(--mono); color: var(--faint); }
.field input, .field select, .field textarea { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 0 1.125rem; font: 400 1.0625rem/1 var(--mono); letter-spacing: -.01em; }
.field .btn { height: auto; border-width: 0 0 0 1px; }
.field.sm { height: 3.25rem; }
.field.sm input, .field.sm select { font-size: 0.9375rem; }
.field.area { height: auto; }
.field textarea { min-height: 8rem; padding: 1rem 1.125rem; font-size: 0.8125rem; line-height: 1.6; resize: vertical; }
.field select { appearance: none; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--dim) 50%), linear-gradient(-45deg, transparent 50%, var(--dim) 50%); background-position: calc(100% - 1.375rem) 50%, calc(100% - 1.0625rem) 50%; background-size: 0.3125rem 0.3125rem; background-repeat: no-repeat; }
.field select option { background: var(--bg-2); }
input::placeholder, textarea::placeholder { color: var(--faint); }

/* ---------- chips & cards ---------- */
.tag { display: inline-flex; align-items: center; gap: 0.375rem; height: 1.5rem; padding: 0 0.5rem; border: 1px solid var(--line-2); font: 500 0.6875rem/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; background: transparent; color: var(--dim); }
.tag.good { background: var(--acid); color: var(--on-acid); border-color: var(--acid); }
.tag.bad { background: var(--hot); color: #fff; border-color: var(--hot); }
a.tag, button.tag { cursor: pointer; color: var(--fg); transition: background .2s, color .2s, border-color .2s; }
a.tag:hover, button.tag:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.tags { display: flex; flex-wrap: wrap; gap: 0.375rem; }
.card { border: 1px solid var(--line-2); background: var(--bg-2); }

/* ---------- result card ---------- */
.result { margin-top: 1rem; border: 1px solid var(--line-2); background: var(--bg-2); text-align: left; }
.result:empty { display: none; }
.r-head { display: flex; flex-wrap: wrap; gap: 0.625rem; justify-content: space-between; align-items: center; padding: 0.875rem 1.25rem; border-bottom: 1px solid var(--line); }
.r-head .label { color: var(--fg); }
.r-row { display: grid; grid-template-columns: 5rem 1fr auto; gap: 1.25rem; align-items: center; padding: 1.125rem 1.25rem; border-bottom: 1px solid var(--line); animation: rise .5s var(--out) both; }
.r-row:last-child { border-bottom: 0; }
.r-code { font: 600 1.125rem/1 var(--font); letter-spacing: -.02em; }
.addr { font: 400 0.9375rem/1.4 var(--mono); word-break: break-all; }
.r-empty { padding: 1.5rem 1.25rem; }
.r-empty strong { display: block; font: 600 1.5rem/1.1 var(--font); letter-spacing: -.03em; margin-bottom: 0.5rem; }
.r-empty .dim { font-size: 0.9375rem; }
.r-empty a, .note a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--acid); text-decoration-thickness: 2px; text-underline-offset: 0.25rem; }
.skeleton { height: 6rem; background: linear-gradient(90deg, transparent, rgba(215, 255, 58, .07), transparent) var(--bg-2); background-size: 40% 100%; background-repeat: no-repeat; animation: sweep 1.1s linear infinite; }
.spin { display: inline-block; width: 0.75rem; height: 0.75rem; border: 1.5px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes sweep { from { background-position: -40% 0; } to { background-position: 140% 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(0.625rem); } }

/* ---------- intro ---------- */
.intro { position: fixed; inset: 0; z-index: 1000; background: var(--bg); display: grid; place-items: center; transition: opacity .6s var(--out), visibility .6s; }
.intro.out { opacity: 0; visibility: hidden; }
.intro .n { font-size: clamp(6rem, 18vw, 15rem); color: var(--acid); }
.intro .bar { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--acid); transform-origin: left; transform: scaleX(var(--p, 0)); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: grid; place-items: center; padding: calc(var(--hud) + 3.5rem) 0 7rem; overflow: hidden; text-align: center; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; -webkit-mask-image: radial-gradient(ellipse 72% 62% at 50% 46%, #000 25%, transparent 78%); mask-image: radial-gradient(ellipse 72% 62% at 50% 46%, #000 25%, transparent 78%); }
.hero-inner { position: relative; display: grid; justify-items: center; gap: 2rem; }
.badge { display: inline-flex; align-items: center; gap: 0.625rem; height: 2rem; padding: 0 0.875rem; border: 1px solid var(--line-2); background: rgba(17, 17, 17, .72); -webkit-backdrop-filter: blur(0.5rem); backdrop-filter: blur(0.5rem); font: 400 0.75rem/1 var(--mono); letter-spacing: .04em; color: var(--dim); }
.badge i { width: 0.375rem; height: 0.375rem; background: var(--acid); box-shadow: 0 0 0.625rem var(--acid); }
.hero h1 .ln { display: block; overflow: hidden; padding: .02em .06em .08em; }
.hero h1 .ln > span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--out); }
.ready .hero h1 .ln > span { transform: none; }
.ready .hero h1 .ln + .ln > span { transition-delay: .09s; }
.hero .body { margin-inline: auto; max-width: 52ch; }
.hero .search { width: min(38.75rem, 100%); }
.hero .result { width: min(38.75rem, 100%); margin-inline: auto; }
.hero-fade { opacity: 0; transform: translateY(1rem); transition: opacity 1s var(--out) .35s, transform 1s var(--out) .35s; }
.ready .hero-fade { opacity: 1; transform: none; }
.cue { position: absolute; left: 50%; bottom: 2rem; transform: translateX(-50%); display: grid; justify-items: center; gap: 0.75rem; }
.cue i { width: 1px; height: 2.5rem; background: linear-gradient(var(--dim), transparent); animation: cue 2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* split-flap */
.flap { display: inline-flex; gap: .05em; vertical-align: -.02em; font-size: .82em; }
.flap b { position: relative; display: inline-grid; place-items: center; width: .64em; height: 1.06em; background: var(--bg-3); border: 1px solid var(--line); color: var(--acid); font: 500 1em/1 var(--mono); letter-spacing: 0; overflow: hidden; }
.flap b::after { content: ''; position: absolute; inset: 50% 0 auto; height: 1px; background: rgba(0, 0, 0, .7); }
.flap b.f { animation: flip .1s linear; }
.hero .flap { font-size: .6em; vertical-align: .04em; }
.split2 .h2 { font-size: clamp(2.25rem, 4.2vw, 4rem); }
@keyframes flip { 50% { transform: scaleY(.1); } }

/* ---------- 01 compare ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cmp { display: grid; gap: 1.75rem; padding: clamp(1.75rem, 3.4vw, 3rem); border: 1px solid var(--line-2); background: var(--bg-2); }
.cmp-top { display: flex; justify-content: space-between; align-items: flex-start; }
.cmp .num { font-size: clamp(6rem, 12vw, 11.5rem); }
.cmp .track { position: relative; height: 2px; background: var(--line-2); }
.cmp .track i { position: absolute; inset: 0; background: var(--fg); transform-origin: left; transform: scaleX(calc(var(--p, 0) * var(--max, 1))); }
.cmp.now .track i { background: var(--fg); }
.cmp .ends { display: flex; justify-content: space-between; margin-top: 0.75rem; font: 500 0.875rem/1 var(--mono); }
.cmp.now { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.cmp.now .label, .cmp.now .dim { color: rgba(243, 243, 239, .6); }
.cmp.now .track { background: rgba(243, 243, 239, .2); }
.cmp.now .track i { background: var(--acid); }
.cmp.now .tag { color: var(--on-acid); background: var(--acid); border-color: var(--acid); }
@media (max-width: 800px) { .compare { grid-template-columns: 1fr; } }

/* ---------- 02 story: scroll-driven demo ---------- */
.story { height: 400vh; padding: 0; }
.story-pin { position: sticky; top: var(--hud); height: calc(100svh - var(--hud)); display: grid; align-items: center; }
.story-body { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.story-left { display: grid; gap: 2.5rem; }
.story-intro { display: grid; gap: 1.25rem; }
.story-intro .h2 { font-size: clamp(2.25rem, 4vw, 4rem); text-wrap: balance; }
.steps-list { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line-2); }
.step-item { display: grid; grid-template-columns: 3rem 1fr; padding: 1.5rem 0 1.375rem; border-top: 1px solid var(--line-2); opacity: .38; transition: opacity .5s var(--out); }
.step-item.on { opacity: 1; }
.step-item .n { font: 500 .8125rem/2.1 var(--mono); color: var(--dim); }
.step-item.on .n { color: var(--acid); }
.step-item .h3 { font-size: clamp(1.5rem, 2vw, 2rem); }
.step-item .desc { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .6s var(--out); }
.step-item.on .desc { grid-template-rows: 1fr; }
.step-item .desc > div { overflow: hidden; }
.step-item .desc .body { font-size: 1rem; padding-top: .75rem; max-width: 38ch; }
.step-item .bar { display: block; height: 2px; margin-top: 1.125rem; background: var(--line-2); position: relative; overflow: hidden; }
.step-item .bar b { position: absolute; inset: 0; background: var(--acid); transform-origin: left; transform: scaleX(var(--sp, 0)); }

.stage { position: relative; height: clamp(26rem, 62vh, 34rem); border: 1px solid var(--line-2); overflow: hidden; background:
  linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px) 0 0 / 2rem 2rem,
  linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px) 0 0 / 2rem 2rem, #0d0d0d; }
.stage::after { content: ""; position: absolute; right: -20%; bottom: -60%; width: 70%; height: 90%; background: radial-gradient(closest-side, rgba(215, 255, 58, .16), transparent); opacity: var(--glow, 0); transition: opacity .8s var(--out); pointer-events: none; }
.scene { position: absolute; inset: 0; display: grid; grid-template-rows: auto 1fr auto; opacity: 0; transform: translateY(1rem) scale(.985); filter: blur(.375rem); transition: opacity .55s var(--out), transform .7s var(--out), filter .55s var(--out); pointer-events: none; }
.scene.on { opacity: 1; transform: none; filter: none; pointer-events: auto; }
.scene-bar, .scene-foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; height: 3rem; padding: 0 1.25rem; }
.scene-bar { border-bottom: 1px solid var(--line); }
.scene-foot { border-top: 1px solid var(--line); }
.chip-s { display: inline-flex; align-items: center; gap: .5rem; height: 1.625rem; padding: 0 .625rem; border: 1px solid var(--line-2); font: 500 .6875rem/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--dim); transition: all .4s var(--out); }
.chip-s.ok { background: var(--acid); color: var(--on-acid); border-color: var(--acid); }

/* scene 1: zone file */
.zone { align-self: center; padding: 1.25rem 0; font: 400 clamp(.8125rem, 1vw, .9375rem)/2.15 var(--mono); overflow: hidden; }
.zl > span { white-space: pre; }
.zl { display: grid; grid-template-columns: 3.25rem 1fr; padding-right: 1.25rem; color: #cfcfca; }
.zl i { font-style: normal; color: var(--faint); text-align: right; padding-right: 1.25rem; }
.zl .c { color: var(--faint); }
.zl .k { color: var(--dim); }
.zl .t { color: #9fb4ff; }
.zl .w { color: var(--acid); font-weight: 500; }
.zl.new { background: rgba(215, 255, 58, .05); box-shadow: inset 2px 0 0 var(--acid); }
.zl.new.done { background: rgba(215, 255, 58, .09); }

/* scene 2: resolution */
.hops { position: relative; align-self: center; display: grid; gap: .25rem; padding: 1.25rem 1.5rem; }
.hops::before { content: ""; position: absolute; left: 1.8125rem; top: 2.75rem; bottom: 2.75rem; width: 1px; background: var(--line-2); }
.hop { position: relative; display: grid; grid-template-columns: 1.75rem 8.5rem 1fr; align-items: center; height: 3rem; font: 400 .875rem/1 var(--mono); color: var(--faint); transition: color .4s var(--out); }
.hop i { position: relative; z-index: 1; width: .6875rem; height: .6875rem; border: 1px solid var(--line-2); background: #0d0d0d; transition: all .4s var(--out); }
.hop b { font-weight: 500; }
.hop span { opacity: 0; transform: translateX(-.5rem); transition: opacity .5s var(--out), transform .5s var(--out); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hop.on { color: var(--fg); }
.hop.on i { background: var(--acid); border-color: var(--acid); box-shadow: 0 0 .75rem rgba(215, 255, 58, .6); }
.hop.on span { opacity: 1; transform: none; color: var(--dim); }
.hop.ans.on span { color: var(--acid); }
.packet { position: absolute; z-index: 2; left: 1.5rem; width: .6875rem; height: .6875rem; background: var(--fg); box-shadow: 0 0 1rem rgba(255, 255, 255, .7); top: 0; transform: translateY(var(--py, 0px)); transition: background .3s, box-shadow .3s; }
.packet.back { background: var(--acid); box-shadow: 0 0 1rem rgba(215, 255, 58, .9); }
.answer { margin: 0 1.5rem 1.25rem; padding: 1rem 1.25rem; border: 1px solid var(--acid); background: rgba(215, 255, 58, .06); display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; font: 400 .875rem/1.4 var(--mono); opacity: 0; transform: translateY(.75rem); transition: opacity .5s var(--out), transform .5s var(--out); }
.answer.on { opacity: 1; transform: none; }
.answer b { color: var(--acid); font-weight: 500; }

/* scene 3: payment */
.pay { align-self: center; display: grid; gap: 1.5rem; padding: 1.5rem 2rem; }
.pay-to { display: flex; flex-wrap: wrap; align-items: baseline; gap: .75rem; font: 500 clamp(1.25rem, 1.8vw, 1.625rem)/1.2 var(--font); letter-spacing: -.02em; }
.pay-to .mono { font-size: .8125rem; color: var(--dim); font-weight: 400; letter-spacing: 0; }
.pay-amt { font-size: clamp(3.5rem, 6vw, 5.5rem); }
.pay-amt small { font-size: .3em; color: var(--dim); letter-spacing: -.01em; margin-left: .25em; }
.pay-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.pay-steps span { display: grid; gap: .625rem; font: 400 .75rem/1 var(--mono); color: var(--faint); transition: color .4s; }
.pay-steps span::before { content: ""; height: 2px; background: var(--line-2); transition: background .4s; }
.pay-steps span.on { color: var(--fg); }
.pay-steps span.on::before { background: var(--acid); }
.receipt { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.25rem; background: var(--acid); color: var(--on-acid); font: 500 .875rem/1.3 var(--mono); opacity: 0; transform: translateY(.75rem); transition: opacity .5s var(--out), transform .5s var(--out); }
.receipt.on { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .story { height: auto; padding-block: var(--section); }
  .story-pin { position: static; height: auto; }
  .story-body { display: flex; flex-direction: column; gap: 1.5rem; align-items: stretch; }
  .story-left, .steps-list, .stage { display: contents; }
  .story-intro { order: 0; margin-bottom: 1rem; }
  .step-item { opacity: 1; border: 0; padding: 1.5rem 0 0; }
  .step-item .desc { grid-template-rows: 1fr; }
  .step-item .bar { display: none; }
  .step-item:nth-child(1) { order: 1; } .scene[data-scene="0"] { order: 2; }
  .step-item:nth-child(2) { order: 3; } .scene[data-scene="1"] { order: 4; }
  .step-item:nth-child(3) { order: 5; } .scene[data-scene="2"] { order: 6; }
  .scene { position: relative; opacity: 1; transform: none; filter: none; min-height: 22rem; border: 1px solid var(--line-2); background: #0d0d0d; }
  .hop { grid-template-columns: 1.75rem 6.5rem 1fr; font-size: .75rem; }
  .pay { padding: 1.25rem; }
}

/* ---------- 03 agents ---------- */
.split2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.split2 .copy { display: grid; gap: 1.5rem; justify-items: start; }
.term { border: 1px solid var(--line-2); background: #080808; }
.term-bar { display: flex; justify-content: space-between; align-items: center; height: 2.75rem; padding: 0 1rem; border-bottom: 1px solid var(--line); }
.term-bar .dots { display: flex; gap: 0.375rem; }
.term-bar .dots i { width: 0.5rem; height: 0.5rem; background: var(--line-2); }
.console { height: 26.25rem; padding: 1.25rem; overflow: hidden; font: 400 0.8125rem/1.85 var(--mono); white-space: pre-wrap; word-break: break-word; color: #d6d6d0; }
.console .p { color: var(--acid); }
.console .d { color: var(--dim); }
.console .x { color: var(--hot); }
.console .ok { color: var(--acid); }
.caret { display: inline-block; width: .55em; height: 1.1em; background: var(--acid); vertical-align: -.2em; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (max-width: 900px) { .split2 { grid-template-columns: 1fr; } }

/* ---------- 04 flow ---------- */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.75rem; }
.flow > div { position: relative; display: grid; grid-template-rows: auto 1fr auto; gap: 1.5rem; min-height: 16.25rem; padding: 1.5rem; border: 1px solid var(--line-2); background: var(--bg-2); transition: background .6s var(--out), color .6s var(--out), border-color .6s; }
.flow .v { font: 500 clamp(1.75rem, 2.6vw, 2.5rem)/1 var(--font); letter-spacing: -.04em; font-variant-numeric: tabular-nums; align-self: center; }
.flow p { font-size: 0.9375rem; line-height: 1.45; color: var(--dim); }
.flow > div.on { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.flow > div.on .label, .flow > div.on p { color: rgba(243, 243, 239, .62); }
.flow > div.on .v { color: var(--acid); }
.flow-bar { height: 2px; background: var(--line-2); margin-bottom: 0.75rem; position: relative; }
.flow-bar i { position: absolute; inset: 0; background: var(--fg); transform-origin: left; transform: scaleX(var(--p, 0)); }
@media (max-width: 1000px) { .flow { grid-template-columns: 1fr 1fr; } .flow > div { min-height: 200px; } }
@media (max-width: 560px) { .flow { grid-template-columns: 1fr; } }

/* ---------- 05 adoption ---------- */
.adopt { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.adopt .copy { display: grid; gap: 1.5rem; position: sticky; top: calc(var(--hud) + 2.5rem); }
.adopt .num { font-size: clamp(7.5rem, 15vw, 13.75rem); }
.adopt .num small { font-size: .3em; color: var(--faint); letter-spacing: -.03em; }
.board { padding: 0.5rem 1.25rem; }
.board-head { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
.board-head div, .board-cols > div > div { display: flex; justify-content: space-between; }
.board-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; }
.board .row { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; height: 2.5rem; border-bottom: 1px solid var(--line); font: 400 0.8125rem/1 var(--mono); }
.board .row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--dim); }
.board .row .flap { font-size: 0.875rem; }
.board .row .flap b { color: var(--faint); background: var(--bg-3); }
.board .row.yes span { color: var(--fg); }
.board .row.yes .flap b { color: var(--on-acid); background: var(--acid); }
@media (max-width: 900px) { .adopt { grid-template-columns: 1fr; } .adopt .copy { position: static; } }
@media (max-width: 560px) { .board-cols { grid-template-columns: 1fr; } .board-head { grid-template-columns: 1fr; } .board-head div + div { display: none; } }

/* ---------- 06 roadmap ---------- */
.road { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.road li { display: grid; grid-template-columns: 10rem 1fr 3.75rem; gap: 2rem; align-items: start; padding: 2.25rem 0; border-bottom: 1px solid var(--line-2); transition: padding .4s var(--out); }
.road li:hover { padding-left: 0.75rem; }
.road li .h3 { margin-bottom: 0.625rem; }
.road li .body { font-size: 1rem; }
.road li .label:last-child { text-align: right; }
@media (max-width: 760px) { .road li { grid-template-columns: 1fr; gap: 16px; } .road li .label:last-child { display: none; } }

/* ---------- CTA + footer ---------- */
.cta { text-align: center; }
.cta .h2 { font-size: clamp(3rem, 7.4vw, 7.5rem); }
.cta .actions { justify-content: center; }
.footer { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.footer .container { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; justify-content: space-between; align-items: center; }
.footer nav { display: flex; flex-wrap: wrap; gap: 1.75rem; font-size: 0.875rem; color: var(--dim); }
.footer nav a:hover { color: var(--fg); }
.footer small { flex-basis: 100%; font: 400 0.75rem/1.5 var(--mono); color: var(--faint); padding-top: 1.5rem; border-top: 1px solid var(--line); }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(1.75rem); filter: blur(0.375rem); transition: opacity 1s var(--out), transform 1.2s var(--out), filter 1s var(--out); }
[data-reveal].in { opacity: 1; transform: none; filter: none; }
[data-reveal][data-d="1"] { transition-delay: .08s; }
[data-reveal][data-d="2"] { transition-delay: .16s; }
[data-reveal][data-d="3"] { transition-delay: .24s; }
[data-reveal][data-d="4"] { transition-delay: .32s; }
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding: 0 .02em .1em; margin-bottom: -.1em; }
.split .w > span { display: inline-block; transform: translateY(105%); transition: transform 1s var(--out); transition-delay: calc(var(--i) * 40ms); }
.split.in .w > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal], .split .w > span, .hero h1 .ln > span, .hero-fade { opacity: 1; transform: none; filter: none; }
  .intro { display: none; }
}

/* =========================================================  APP */
.app-page .hud .container { grid-template-columns: 1fr auto; }
.app { display: grid; grid-template-columns: 16.5rem 1fr; min-height: 100svh; padding-top: var(--hud); }
.rail { position: sticky; top: var(--hud); height: calc(100svh - var(--hud)); display: flex; flex-direction: column; padding: 1rem 0.75rem; border-right: 1px solid var(--line); }
.rail a { position: relative; display: grid; grid-template-columns: 1.75rem 1fr; gap: 0.25rem 0.625rem; padding: 0.875rem 0.75rem; color: var(--dim); transition: background .2s, color .2s; }
.rail a small { grid-row: span 2; font: 400 0.75rem/1.5 var(--mono); color: var(--faint); }
.rail a strong { font: 500 0.9375rem/1.3 var(--font); color: var(--fg); letter-spacing: -.01em; }
.rail a em { font: 400 0.8125rem/1.35 var(--font); font-style: normal; }
.rail a:hover { background: var(--bg-2); }
.rail a.on { background: var(--bg-2); }
.rail a.on::before { content: ''; position: absolute; left: 0; top: 0.75rem; bottom: 0.75rem; width: 2px; background: var(--acid); }
.rail a.on small { color: var(--acid); }
.net { margin-top: auto; padding: 1rem 0.75rem 0.25rem; border-top: 1px solid var(--line); display: grid; gap: 0.625rem; }
.net div { display: flex; justify-content: space-between; gap: 0.75rem; font: 400 0.75rem/1.3 var(--mono); }
.net div span:first-child { color: var(--faint); }
.panel { min-width: 0; padding: clamp(2.5rem, 5vw, 5rem) var(--gutter) 7.5rem; }
.panel-in { max-width: 57.5rem; margin-inline: auto; }
.view { display: none; }
.view.on { display: block; animation: rise .5s var(--out) both; }
.view-head { display: grid; gap: 1.25rem; margin-bottom: 2.5rem; }
.view-head .h2 { font-size: clamp(2.75rem, 5.6vw, 5rem); }
.stack { display: grid; gap: 1rem; }
.row-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr)); gap: 0.75rem; align-items: end; }
.lbl { display: block; margin-bottom: 0.625rem; }
.note { padding: 1rem 1.25rem; border: 1px solid var(--line-2); font: 400 0.875rem/1.6 var(--font); color: var(--dim); }
.note.warn { border-color: rgba(255, 90, 54, .5); color: var(--hot); background: rgba(255, 90, 54, .06); }
.note.good { border-color: var(--acid); color: var(--fg); background: rgba(215, 255, 58, .08); }
.code { margin: 0; padding: 1.25rem; overflow-x: auto; background: #080808; border: 1px solid var(--line-2); font: 400 0.8125rem/1.7 var(--mono); color: #d6d6d0; }
.out { position: relative; }
.out .copy { position: absolute; top: 0.625rem; right: 0.625rem; height: 2rem; padding: 0 0.75rem; font-size: 0.8125rem; background: var(--bg); }
.entries .entry { display: grid; grid-template-columns: 7rem 1fr 3.25rem; border: 1px solid var(--line-2); margin-top: -1px; background: var(--bg-2); }
.entries .entry input { border: 0; outline: 0; background: transparent; height: 3.25rem; padding: 0 1rem; font: 400 0.9375rem/1 var(--mono); min-width: 0; }
.entries .entry input + input { border-left: 1px solid var(--line); }
.entries .entry button { border: 0; border-left: 1px solid var(--line); background: none; cursor: pointer; font-size: 1.125rem; color: var(--dim); }
.entries .entry button:hover { background: var(--hot); color: #fff; }
.entries .entry.badrow input { color: var(--hot); }
.pick { cursor: pointer; }
.pick.sel { background: rgba(215, 255, 58, .06); box-shadow: inset 2px 0 0 var(--acid); }
.toast { position: fixed; right: var(--gutter); bottom: var(--gutter); z-index: 200; max-width: 26.25rem; padding: 1rem 1.25rem; background: var(--fg); color: var(--bg); font-size: 0.875rem; transform: translateY(150%); transition: transform .5s var(--out); }
.toast.show { transform: none; }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; align-content: start; }
  .rail { position: sticky; top: var(--hud); z-index: 50; height: auto; flex-direction: row; overflow-x: auto; padding: 0.5rem; gap: 0.25rem; background: var(--bg); border-right: 0; border-bottom: 1px solid var(--line); }
  .rail a { display: flex; gap: 0.5rem; padding: 0.625rem 0.75rem; white-space: nowrap; }
  .rail a em, .net { display: none; }
  .rail a.on::before { left: 0.75rem; right: 0.75rem; top: auto; bottom: 0; width: auto; height: 2px; }
  .r-row { grid-template-columns: 3.5rem 1fr; }
  .r-row .tags { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .hide-sm { display: none; }
  .hero .flap { font-size: .5em; }
  .field .pre { display: none; }
  .field .btn { padding: 0 1rem; }
  .field input { padding: 0 0.875rem; font-size: 1rem; }
}
.zl.new.done .caret { display: none; }