:root {
  --paper: oklch(0.967 0.009 85);
  --paper-2: oklch(0.941 0.012 84);
  --paper-3: oklch(0.905 0.015 84);
  --ink: oklch(0.203 0.014 62);
  --ink-soft: oklch(0.285 0.016 62);
  --ink-2: oklch(0.455 0.012 66);
  --rule: oklch(0.852 0.013 82);
  --accent: oklch(0.505 0.108 152);
  --warn: oklch(0.472 0.128 32);
  --band: oklch(0.268 0.044 156);
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --shell: min(1180px, 100% - 48px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--ink); }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.shell { width: var(--shell); margin-inline: auto; }

.h2 { font-size: clamp(32px, 4.4vw, 54px); line-height: 1.06; }
.lede { font-size: clamp(16px, 1.35vw, 19px); color: var(--ink-2); max-width: 54ch; text-wrap: pretty; }
.tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-2);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 2px;
  font-size: 15px; font-weight: 500; letter-spacing: 0.005em;
  transition: transform .18s cubic-bezier(.2,.7,.2,1), background-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); box-shadow: 0 1px 0 0 var(--ink); }
.btn-primary:hover { background: var(--accent); color: var(--paper); transform: translateY(-2px); box-shadow: 0 6px 0 -2px color-mix(in oklab, var(--accent) 45%, transparent); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { border: 1px solid var(--rule); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
.btn-light { background: var(--paper); color: var(--ink); }
.btn-light:hover { background: var(--paper); color: var(--ink); transform: translateY(-2px); box-shadow: 0 6px 0 -2px color-mix(in oklab, var(--paper) 35%, transparent); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }

.arrow { transition: transform .22s cubic-bezier(.2,.7,.2,1); }
.btn:hover .arrow, .textlink:hover .arrow { transform: translateX(4px); }
.textlink { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; }
.textlink::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -3px; height: 1px;
  background: currentColor; transition: right .28s cubic-bezier(.2,.7,.2,1);
}
.textlink { position: relative; }
.textlink:hover::after { right: 0; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { display: block; transition: transform .3s cubic-bezier(.2,.7,.2,1); }
.brand:hover .brand-mark { transform: translateX(3px); }
.brand-name { font-family: var(--serif); font-size: 21px; letter-spacing: -0.01em; white-space: nowrap; }
.topnav { display: flex; align-items: center; gap: 26px; }
.topnav a:not(.btn) { font-size: 15px; position: relative; }
.topnav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1px;
  background: var(--accent); transition: right .26s cubic-bezier(.2,.7,.2,1);
}
.topnav a:not(.btn):hover::after { right: 0; }
.menu-btn { display: none; width: 48px; height: 48px; align-items: center; justify-content: center; margin-right: -12px; }
.menu-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .34s cubic-bezier(.2,.7,.2,1); border-top: 0 solid var(--rule); }
.menu-panel > div { overflow: hidden; }
.menu-links { display: flex; flex-direction: column; padding: 8px 0 20px; }
.menu-links a { display: flex; align-items: center; min-height: 52px; border-bottom: 1px solid var(--rule); font-size: 17px; }
.menu-links .btn { margin-top: 18px; }

/* ---------- hero ---------- */
.hero { padding: clamp(56px, 9vw, 104px) 0 0; overflow: hidden; }
.hero-in { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero h1 {
  font-size: clamp(46px, 8.2vw, 108px); line-height: 0.98; letter-spacing: -0.025em;
  max-width: 16ch; text-wrap: balance;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-sub { margin-top: 26px; max-width: 50ch; font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-2); text-wrap: pretty; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }

.route { margin-top: clamp(48px, 7vw, 86px); padding-bottom: clamp(40px, 6vw, 72px); }
.route-ends { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.route svg { display: block; width: 100%; height: auto; }
.route .wire { fill: none; stroke: var(--rule); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.route .live { fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linecap: round; stroke-dasharray: 46 380; vector-effect: non-scaling-stroke; }
.route .node { fill: var(--paper); stroke: var(--ink); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.route .cap { fill: var(--ink); }

/* ---------- section 2, the ladder ---------- */
.sec { padding: clamp(76px, 9vw, 132px) 0; }
.ladder { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 88px); align-items: center; }
.ladder-copy p { margin-top: 22px; }
.chart { position: relative; margin-top: 44px; }
.plot { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 5vw, 70px); align-items: end; height: 264px; padding: 0 clamp(6px, 2.5vw, 26px); border-bottom: 1px solid var(--ink); }
.col { display: flex; align-items: flex-end; justify-content: center; height: 100%; }
.bar { width: min(132px, 100%); transform-origin: bottom; }
.chart-labels { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 5vw, 70px); padding: 14px clamp(6px, 2.5vw, 26px) 0; }
.chart-labels span { text-align: center; font-size: 14px; font-weight: 500; }
.bar-a { height: 58%; border: 1px solid var(--ink); background: repeating-linear-gradient(135deg, transparent 0 5px, color-mix(in oklab, var(--ink) 12%, transparent) 5px 6px); }
.bar-b { height: 100%; display: flex; flex-direction: column; }
.seg { flex: 1; background: color-mix(in oklab, var(--accent) 82%, var(--paper)); border-bottom: 1px solid var(--paper); }
.seg:first-child { background: var(--accent); }
.seg:last-child { border-bottom: 0; background: color-mix(in oklab, var(--accent) 62%, var(--paper)); }
.gain { position: absolute; left: 0; right: 0; top: 0; height: 42%; border-top: 1px dashed var(--accent); border-bottom: 1px dashed color-mix(in oklab, var(--accent) 32%, transparent); pointer-events: none; }
.gain span {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  background: var(--paper); padding: 2px 10px 2px 0; color: var(--accent);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap;
}
.chart-axis { position: absolute; left: 0; top: -26px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); }

/* ---------- section 3, the steps ---------- */
.steps-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: clamp(40px, 5vw, 64px); }
.track { position: relative; height: 1px; background: var(--rule); margin-bottom: 34px; }
.track i { position: absolute; inset: 0 auto 0 0; display: block; background: var(--ink); width: 100%; transform-origin: left; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 48px); }
.step { position: relative; padding-top: 4px; transition: transform .28s cubic-bezier(.2,.7,.2,1); }
.step:hover { transform: translateY(-4px); }
.step-dot { position: absolute; top: -38px; left: 0; width: 13px; height: 13px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); transition: background-color .25s ease, transform .25s ease; }
.step:hover .step-dot { background: var(--accent); border-color: var(--accent); transform: scale(1.25); }
.step-n { font-family: var(--mono); font-size: 12px; color: var(--ink-2); letter-spacing: 0.12em; }
.step h3 { font-size: clamp(24px, 2.6vw, 33px); margin-top: 10px; }
.step p { margin-top: 10px; color: var(--ink-2); max-width: 30ch; }

/* ---------- section 4, the promise ---------- */
.promise { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.promise-head { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.promise-head .lede { max-width: 46ch; }
.seg-ctl { position: relative; display: inline-flex; margin: 38px auto 0; border: 1px solid var(--ink); border-radius: 2px; background: var(--paper); overflow: hidden; }
.seg-ctl button { position: relative; z-index: 1; min-height: 50px; padding: 0 clamp(16px, 3vw, 34px); font-size: 15px; font-weight: 500; transition: color .24s ease; }
.seg-ind { position: absolute; z-index: 0; top: 0; bottom: 0; left: 0; width: 50%; background: var(--ink); transition: transform .38s cubic-bezier(.3,.8,.2,1), background-color .3s ease; }
.panel {
  margin-top: 34px; border: 1px solid var(--ink); background: var(--paper);
  display: grid; grid-template-columns: 92px minmax(0, 1fr); align-items: stretch;
  animation: panel-in .4s cubic-bezier(.2,.7,.2,1) both;
}
.panel-mark { display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--ink); }
.panel-body { padding: clamp(26px, 4vw, 44px); }
.panel h3 { font-size: clamp(26px, 3.4vw, 42px); line-height: 1.08; }
.panel p { margin-top: 12px; color: var(--ink-2); max-width: 46ch; }
.panel-ok .panel-mark { background: color-mix(in oklab, var(--accent) 12%, var(--paper)); }
.panel-ok h3 { color: var(--accent); }
.panel-no .panel-mark { background: color-mix(in oklab, var(--warn) 12%, var(--paper)); }
.panel-no h3 { color: var(--warn); }
.promise-note { margin-top: 26px; text-align: center; font-size: 15px; color: var(--ink-2); }
.draw { stroke-dasharray: 60; stroke-dashoffset: 60; animation: draw .55s .12s cubic-bezier(.3,.8,.2,1) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- section 5, the map ---------- */
.map-head { max-width: 56ch; }
.map { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(90px, 0.7fr) minmax(0, 1fr); gap: clamp(8px, 2vw, 26px); margin-top: clamp(38px, 5vw, 58px); }
.map-col-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); padding-bottom: 14px; border-bottom: 1px solid var(--rule); }
.rows { display: grid; grid-template-rows: repeat(5, 60px); }
.coin { display: flex; align-items: center; gap: 12px; text-align: left; padding: 0 12px 0 0; border-bottom: 1px solid var(--rule); transition: color .2s ease; }
.coin span.dot { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--ink-2); transition: background-color .25s ease, border-color .25s ease, transform .25s ease; flex: none; }
.coin span.nm { font-size: clamp(16px, 1.7vw, 20px); font-weight: 500; }
.coin:hover { color: var(--accent); }
.coin.on { color: var(--accent); }
.coin.on span.dot { background: var(--accent); border-color: var(--accent); transform: scale(1.35); }
.wires { position: relative; height: 300px; }
.wires svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.wires path { fill: none; stroke: var(--accent); stroke-width: 1.4; transition: d .5s cubic-bezier(.2,.7,.2,1), opacity .4s ease; }
.venue { display: flex; align-items: center; border-bottom: 1px solid var(--rule); font-size: clamp(14px, 1.5vw, 18px); line-height: 1.2; color: var(--ink-soft); }
.map-note { margin-top: 28px; font-size: 15px; color: var(--ink-2); max-width: 62ch; }

/* ---------- section 6, settlement ---------- */
.settle { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(18px, 3vw, 34px); margin-top: clamp(38px, 5vw, 56px); }
.lane { border: 1px solid var(--rule); background: var(--paper); padding: clamp(24px, 3vw, 36px); transition: border-color .3s ease, transform .3s cubic-bezier(.2,.7,.2,1); }
.lane:hover { border-color: var(--ink); transform: translateY(-4px); }
.lane h3 { font-size: clamp(24px, 2.7vw, 34px); }
.lane-tag { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 10px; border: 1px solid currentColor; }
.lane-a .lane-tag { color: var(--accent); }
.lane-b .lane-tag { color: var(--ink-2); }
.flow { position: relative; margin-top: 30px; padding-left: 30px; }
.flow::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 1px; background: var(--rule); }
.flow i.pulse { position: absolute; left: 1.5px; top: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: fall 3.4s cubic-bezier(.6,0,.4,1) infinite; }
.lane-b .flow i.pulse { background: var(--ink-2); animation-duration: 5.6s; }
@keyframes fall { 0% { top: 6px; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } 100% { top: calc(100% - 14px); opacity: 0; } }
.flow li { position: relative; padding: 0 0 22px; font-size: 16px; color: var(--ink-soft); }
.flow li:last-child { padding-bottom: 0; }
.flow li::before { content: ""; position: absolute; left: -29px; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--paper); border: 1.5px solid var(--ink-2); }
.settle-note { margin-top: 26px; font-size: 15px; color: var(--ink-2); }

/* ---------- section 7, refusals ---------- */
.never { background: var(--ink); color: var(--paper); }
.never .h2 { color: var(--paper); }
.never-in { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 80px); align-items: start; }
.never p.sub { color: color-mix(in oklab, var(--paper) 62%, var(--ink)); margin-top: 20px; max-width: 34ch; }
.never-list li {
  display: flex; gap: 18px; align-items: center; padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 18%, var(--ink));
  font-size: clamp(18px, 2.1vw, 26px); font-family: var(--serif); line-height: 1.25;
  transition: transform .3s cubic-bezier(.2,.7,.2,1), color .3s ease;
}
.never-list li:first-child { border-top: 1px solid color-mix(in oklab, var(--paper) 18%, var(--ink)); }
.never-list li:hover { transform: translateX(10px); }
.never-list svg { flex: none; color: color-mix(in oklab, var(--paper) 45%, var(--ink)); transition: color .3s ease, transform .5s cubic-bezier(.2,.7,.2,1); }
.never-list li:hover svg { color: var(--warn); transform: rotate(-90deg); }

/* ---------- section 8, check it ---------- */
.check-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(30px, 5vw, 74px); align-items: start; }
.proofs { display: flex; flex-direction: column; }
.proof { display: flex; gap: 18px; padding: 22px 0; border-top: 1px solid var(--rule); transition: padding-left .3s cubic-bezier(.2,.7,.2,1); }
.proof:last-child { border-bottom: 1px solid var(--rule); }
.proof:nth-child(2) { padding-left: 26px; }
.proof:nth-child(3) { padding-left: 52px; }
.proof:hover { padding-left: 12px; }
.proof:nth-child(2):hover { padding-left: 38px; }
.proof:nth-child(3):hover { padding-left: 64px; }
.proof-n { font-family: var(--mono); font-size: 12px; color: var(--accent); padding-top: 5px; }
.proof h3 { font-size: clamp(20px, 2.1vw, 26px); }
.proof p { margin-top: 6px; color: var(--ink-2); font-size: 15px; max-width: 34ch; }
.term { margin-top: 28px; background: var(--ink); color: var(--paper); padding: 22px 24px; font-family: var(--mono); font-size: clamp(12px, 1.35vw, 15px); overflow-x: auto; }
.term .pmt { color: color-mix(in oklab, var(--paper) 55%, var(--ink)); }
.term .caret { display: inline-block; width: 8px; height: 1.05em; background: var(--accent); vertical-align: -2px; margin-left: 6px; animation: blink 1.15s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.check-cta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }

/* ---------- section 9, faq ---------- */
.faq { background: var(--paper-2); border-top: 1px solid var(--rule); }
.faq-in { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: clamp(28px, 5vw, 80px); align-items: start; }
.faq-aside { position: sticky; top: 96px; }
.faq-list { border-top: 1px solid var(--rule); }
.faq-row { border-bottom: 1px solid var(--rule); }
.faq-q { display: flex; width: 100%; gap: 20px; align-items: center; justify-content: space-between; padding: 22px 0; text-align: left; font-family: var(--serif); font-size: clamp(19px, 2vw, 25px); line-height: 1.25; transition: color .22s ease; }
.faq-q:hover { color: var(--accent); }
.faq-ico { flex: none; width: 26px; height: 26px; position: relative; transition: transform .34s cubic-bezier(.2,.7,.2,1); }
.faq-ico::before, .faq-ico::after { content: ""; position: absolute; background: currentColor; transition: opacity .3s ease; }
.faq-ico::before { left: 0; right: 0; top: 12.5px; height: 1.5px; }
.faq-ico::after { top: 0; bottom: 0; left: 12.25px; width: 1.5px; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s cubic-bezier(.2,.7,.2,1); }
.faq-a > div { overflow: hidden; }
.faq-a p { padding-bottom: 24px; color: var(--ink-2); max-width: 58ch; font-size: 16px; }

/* ---------- closing ---------- */
.close { background: var(--band); color: var(--paper); text-align: center; }
.close h2 { color: var(--paper); font-size: clamp(36px, 6vw, 76px); line-height: 1.02; max-width: 18ch; margin-inline: auto; text-wrap: balance; }
.close-cta { display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: center; align-items: center; margin-top: 36px; }
.close a.textlink { color: color-mix(in oklab, var(--paper) 82%, var(--band)); }
.close a.textlink:hover { color: var(--paper); }

/* ---------- footer ---------- */
.foot { background: var(--ink); color: color-mix(in oklab, var(--paper) 72%, var(--ink)); padding: clamp(52px, 6vw, 76px) 0 0; }
.foot-in { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.7fr)); gap: clamp(28px, 4vw, 60px); }
.foot .brand-name { color: var(--paper); }
.foot p.blurb { margin-top: 16px; max-width: 34ch; font-size: 15px; }
.foot h4 { margin: 0 0 16px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500; color: color-mix(in oklab, var(--paper) 55%, var(--ink)); }
.foot-links a { display: block; padding: 7px 0; color: color-mix(in oklab, var(--paper) 82%, var(--ink)); font-size: 15px; }
.foot-links a:hover { color: var(--paper); }
.foot-base { margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid color-mix(in oklab, var(--paper) 16%, var(--ink)); padding: 22px 0 30px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; font-size: 13px; }

/* ---------- motion ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes wipe { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
@keyframes flow { to { stroke-dashoffset: -426; } }

.hero h1, .hero-sub, .hero-cta, .route { animation: rise .8s cubic-bezier(.2,.7,.2,1) both; }
.hero-sub { animation-delay: .12s; }
.hero-cta { animation-delay: .2s; }
.route { animation-delay: .3s; }
.route .live { animation: flow 4.6s linear infinite; }
.route .live.b { animation-duration: 5.8s; animation-delay: .6s; }

@supports (animation-timeline: view()) {
  .rv { animation: rise .9s linear both; animation-timeline: view(); animation-range: entry 4% cover 26%; }
  .rv2 { animation-range: entry 4% cover 32%; }
  .rv3 { animation-range: entry 4% cover 38%; }
  .bar { animation: grow .9s linear both; animation-timeline: view(); animation-range: entry 12% cover 34%; }
  .bar-b { animation-range: entry 12% cover 42%; }
  .gain { animation: fadein 1s linear both; animation-timeline: view(); animation-range: cover 26% cover 44%; }
  .track i { animation: wipe 1s linear both; animation-timeline: view(); animation-range: entry 20% cover 40%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .never-in, .check-in, .faq-in { grid-template-columns: minmax(0, 1fr); }
  .faq-aside { position: static; }
  .foot-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  :root { --shell: min(1180px, 100% - 36px); }
  .topnav { display: none; }
  .menu-btn { display: inline-flex; }
  .ladder, .settle { grid-template-columns: minmax(0, 1fr); }
  .settle { gap: 16px; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .track { display: none; }
  .step { padding: 24px 0 24px 30px; border-left: 1px solid var(--rule); }
  .step:hover { transform: none; }
  .step-dot { top: 30px; left: -7px; }
  .step p { max-width: none; }
  .panel { grid-template-columns: minmax(0, 1fr); }
  .panel-mark { border-right: 0; border-bottom: 1px solid var(--ink); padding: 20px 0; }
  .seg-ctl { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .close-cta { flex-direction: column; gap: 20px; }
  .close-cta .btn { width: 100%; }
}
@media (max-width: 620px) {
  :root { --shell: min(1180px, 100% - 32px); }
  .hero { padding-top: 40px; }
  .route .node { r: 15; }
  .route .cap { r: 13; }
  .check-cta .btn { width: 100%; }
  .hero-cta { width: 100%; flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .plot { height: 208px; }
  .map { grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1.15fr); gap: 6px; }
  .rows { grid-template-rows: repeat(5, 68px); }
  .wires { height: 340px; }
  .coin span.nm { font-size: 16px; }
  .venue { font-size: 14px; }
  .never-list li { gap: 14px; }
  .proof:nth-child(2), .proof:nth-child(3) { padding-left: 0; }
  .proof:hover, .proof:nth-child(2):hover, .proof:nth-child(3):hover { padding-left: 8px; }
  .foot-in { grid-template-columns: minmax(0, 1fr); }
  .foot-base { flex-direction: column; }
}

/* ---------- state, set by the page script ---------- */
.menu-panel.open { grid-template-rows: 1fr; border-top-width: 1px; }
.seg-btn { color: color-mix(in oklab, var(--ink) 55%, var(--paper)); }
.seg-btn.is-on { color: var(--paper); }
.seg-ind.move { transform: translateX(100%); background: var(--warn); }
.faq-row.open .faq-a { grid-template-rows: 1fr; }
.faq-row.open .faq-ico { transform: rotate(45deg); color: var(--accent); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 60;
  background: var(--ink); color: var(--paper); padding: 12px 18px; font-size: 15px;
}
.skip:focus { left: 0; color: var(--paper); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Browsers without scroll driven animation get the same reveals from the script. */
.js-reveal .rv, .js-reveal .rv2, .js-reveal .rv3 {
  opacity: 0; transform: translateY(20px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
.js-reveal .rv.seen, .js-reveal .rv2.seen, .js-reveal .rv3.seen { opacity: 1; transform: none; }
.js-reveal .bar { transform: scaleY(0); transition: transform .9s cubic-bezier(.2,.7,.2,1); }
.js-reveal .bar.seen { transform: scaleY(1); }
.js-reveal .bar-b { transition-delay: .12s; }
.js-reveal .gain { opacity: 0; transition: opacity .8s ease .3s; }
.js-reveal .gain.seen { opacity: 1; }
.js-reveal .track i { transform: scaleX(0); transition: transform 1s cubic-bezier(.2,.7,.2,1); }
.js-reveal .track i.seen { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .js-reveal .rv, .js-reveal .rv2, .js-reveal .rv3,
  .js-reveal .bar, .js-reveal .gain, .js-reveal .track i { opacity: 1; transform: none; }
}
