:root {
  color-scheme: light;
  --paper: #f4f2ed;
  --paper-2: #ebe8e1;
  --ink: #111318;
  --graphite: #434a54;
  --slate: #7a838e;
  --line: #cbc7be;
  --green: #0b6e5d;
  --green-soft: #dceae5;
  --amber: #a86f16;
  --amber-soft: #efe4d2;
  --red: #b42318;
  --blue: #1f4e8c;
  --sans: "Helvetica Neue", "Nimbus Sans L", Arial, sans-serif;
  --mono: "IBM Plex Mono", "DejaVu Sans Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--paper); color: var(--ink); }
body { font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button { font: inherit; }

.deck {
  min-height: 100vh;
  overflow: hidden;
}

.slide {
  display: none;
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 700px;
  padding: clamp(36px, 5vw, 76px) clamp(44px, 6.4vw, 104px) clamp(64px, 7vw, 88px);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(17,19,24,.035) 1px, transparent 1px) 0 0 / 12.5% 100%,
    var(--paper);
}
.slide.is-active { display: flex; flex-direction: column; }
.slide:focus { outline: none; }
.slide--dark {
  color: #f7f5ef;
  background:
    radial-gradient(circle at 80% 20%, rgba(11,110,93,.25), transparent 31%),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px) 0 0 / 12.5% 100%,
    #101419;
}
.slide--green {
  color: #f9f8f4;
  background:
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px) 0 0 / 12.5% 100%,
    #0b5d50;
}

.slide__top,
.slide__footer,
.brand,
.state,
.proof__meta,
.metric__label,
.eyebrow,
.node__label,
.envelope__key,
.lane__label,
.ledger__label {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .115em;
}
.slide__top { display: flex; justify-content: space-between; align-items: center; min-height: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 12px; font-weight: 700; letter-spacing: .19em; }
.brand__mark { width: 25px; height: 25px; display: block; flex: 0 0 auto; color: currentColor; }
.brand__mark .mark-logo__body { fill: currentColor; }
.brand__mark .mark-logo__signal { fill: var(--green); }
.slide--dark .brand__mark .mark-logo__signal, .slide--green .brand__mark .mark-logo__signal { fill: #8adcc9; }
.state { font-size: 9px; border: 1px solid currentColor; padding: 7px 9px 6px; opacity: .74; }
.state--green { color: var(--green); background: rgba(255,255,255,.52); border-color: rgba(11,110,93,.35); }
.slide--dark .state--green, .slide--green .state--green { color: #d5fff3; background: rgba(255,255,255,.07); border-color: rgba(213,255,243,.4); }

.slide__body { flex: 1; display: grid; align-content: center; gap: 26px; min-height: 0; }
.slide__body--top { align-content: start; padding-top: clamp(42px, 8vh, 92px); }
.slide__body--split { grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr); gap: clamp(38px, 7vw, 112px); align-items: center; }
.slide__footer { position: absolute; left: clamp(44px, 6.4vw, 104px); right: clamp(44px, 6.4vw, 104px); bottom: 26px; display: flex; justify-content: space-between; color: var(--slate); font-size: 8px; }
.slide--dark .slide__footer, .slide--green .slide__footer { color: rgba(255,255,255,.52); }

.eyebrow { color: var(--green); font-size: 10px; font-weight: 700; }
.slide--dark .eyebrow, .slide--green .eyebrow { color: #8adcc9; }
h1, h2, h3, p { margin: 0; }
h1 { max-width: 1000px; font-size: clamp(46px, 5.6vw, 88px); line-height: .94; letter-spacing: -.055em; font-weight: 550; }
h2 { max-width: 1050px; font-size: clamp(38px, 4.4vw, 70px); line-height: .99; letter-spacing: -.045em; font-weight: 560; }
h3 { font-size: clamp(20px, 2vw, 30px); line-height: 1.08; letter-spacing: -.025em; }
.lede { max-width: 820px; font-size: clamp(18px, 1.7vw, 27px); line-height: 1.35; color: var(--graphite); }
.slide--dark .lede, .slide--green .lede { color: rgba(255,255,255,.72); }
.caption { font-size: 12px; line-height: 1.45; color: var(--slate); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.accent { color: var(--green); }
.slide--dark .accent, .slide--green .accent { color: #8adcc9; }

.artifact {
  position: relative;
  max-width: 610px;
  margin-left: auto;
  border: 1px solid rgba(11,110,93,.55);
  background: rgba(255,255,255,.045);
  padding: 22px 24px;
  font-family: var(--mono);
  font-size: clamp(10px, .85vw, 14px);
  line-height: 1.72;
  color: rgba(255,255,255,.72);
  box-shadow: 18px 18px 0 rgba(11,110,93,.12);
}
.artifact::before { content: "SIGNED UPDATE / TECHNICAL PREVIEW"; display: block; color: #8adcc9; font-size: 9px; letter-spacing: .15em; margin-bottom: 14px; }
.artifact strong { color: #fff; font-weight: 500; }
.artifact__line { display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid rgba(255,255,255,.08); padding-top: 6px; margin-top: 6px; }
.artifact__line > * { min-width: 0; overflow-wrap: anywhere; }

.flow-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.flow-panel { padding: clamp(24px, 3vw, 48px); border-top: 2px solid var(--ink); background: rgba(255,255,255,.38); min-height: 330px; }
.flow-panel--marking { background: var(--ink); color: var(--paper); border-color: var(--green); }
.flow-panel__title { display: flex; justify-content: space-between; align-items: center; font-size: 12px; margin-bottom: 32px; }
.flow-stack { display: grid; gap: 0; }
.flow-step { display: flex; align-items: center; gap: 14px; min-height: 42px; font-size: clamp(15px, 1.4vw, 22px); }
.flow-step:not(:last-child)::after { content: "↓"; margin-left: auto; color: var(--slate); }
.flow-step__num { font: 10px var(--mono); color: var(--slate); }
.flow-panel--marking .flow-step:not(:last-child)::after, .flow-panel--marking .flow-step__num { color: #8adcc9; }

.decision-grid { display: grid; grid-template-columns: 1.18fr .82fr; gap: 24px; }
.decision-hero { border-top: 3px solid var(--green); background: var(--ink); color: var(--paper); padding: 30px; min-height: 330px; }
.decision-hero__label, .decision-example > span, .decision-answer > span { font: 8px var(--mono); letter-spacing: .12em; color: #8adcc9; }
.decision-hero h3 { margin-top: 22px; font-size: clamp(27px, 2.65vw, 43px); max-width: 760px; }
.decision-inputs { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 28px; }
.decision-inputs span { padding: 7px 9px; border: 1px solid rgba(255,255,255,.16); font: 8px var(--mono); text-transform: uppercase; }
.decision-answer { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.15); }
.decision-answer strong { display: block; margin-top: 9px; font-size: 16px; line-height: 1.35; }
.decision-examples { display: grid; gap: 14px; }
.decision-example { background: rgba(255,255,255,.45); border-top: 2px solid var(--ink); padding: 24px; }
.decision-example > span { color: var(--green); }
.decision-example h3 { font-size: 20px; margin-top: 13px; }
.decision-example p { margin-top: 12px; font-size: 12px; line-height: 1.45; color: var(--graphite); }
.decision-boundary { padding: 13px 18px; background: var(--green-soft); color: var(--green); font: 10px/1.45 var(--mono); letter-spacing: .05em; text-align: center; }

.decision-pipeline { display: grid; gap: 18px; }
.decision-pipeline__main { display: grid; grid-template-columns: repeat(6, 1fr); }
.pipeline-node { min-height: 150px; padding: 20px 14px; border-top: 1px solid rgba(255,255,255,.24); position: relative; }
.pipeline-node:not(:last-child)::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #8adcc9; right: -3px; top: -3px; }
.pipeline-node span { font: 8px var(--mono); color: rgba(255,255,255,.45); }
.pipeline-node strong { display: block; margin-top: 55px; font-size: 17px; }
.pipeline-node--active { background: var(--green); }
.pipeline-branches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 54%; margin: -7px 0 0 46%; }
.pipeline-branches span { padding: 11px; border: 1px solid rgba(255,255,255,.18); color: #8adcc9; text-align: center; font: 8px var(--mono); }
.pipeline-boundary { display: grid; grid-template-columns: auto 1fr 100px auto 1fr; align-items: center; gap: 13px; padding: 13px 17px; background: rgba(255,255,255,.06); font: 9px var(--mono); }
.pipeline-boundary strong { color: #8adcc9; }
.pipeline-boundary span { color: rgba(255,255,255,.58); }
.pipeline-boundary i { height: 1px; background: rgba(255,255,255,.25); position: relative; }
.pipeline-boundary i::after { content: "→"; position: absolute; right: -2px; top: -8px; color: #8adcc9; font-style: normal; }

.strategy-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.strategy-group { min-height: 285px; padding: 24px 20px; border-top: 2px solid var(--ink); background: rgba(255,255,255,.45); }
.strategy-group__label { font: 8px var(--mono); letter-spacing: .12em; color: var(--green); }
.strategy-group > div { display: grid; gap: 0; margin-top: 40px; }
.strategy-group strong { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 520; }
.strategy-footer { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; align-items: center; }
.strategy-footer > span { font: 9px var(--mono); color: var(--green); text-transform: uppercase; }
.strategy-footer p { font-size: 11px; color: var(--slate); line-height: 1.45; }

.transaction { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); align-items: center; gap: 0; margin-top: 32px; }
.transaction__step { position: relative; min-height: 210px; padding: 24px 16px; border-top: 1px solid var(--line); }
.transaction__step:not(:last-child)::after { content: ""; position: absolute; top: -2px; right: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.transaction__step strong { display: block; margin-top: 74px; font-size: clamp(16px, 1.5vw, 23px); font-weight: 540; }
.transaction__step span { display: block; font: 9px var(--mono); color: var(--slate); margin-top: 10px; line-height: 1.55; text-transform: uppercase; }
.transaction__step--active { background: var(--green); color: white; border-color: var(--green); }
.transaction__step--active span { color: rgba(255,255,255,.7); }

.proof-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 26px; margin-top: 10px; }
.receipt, .proof-stack { border: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.045); }
.receipt { padding: clamp(24px, 3vw, 46px); }
.receipt__head { display: flex; justify-content: space-between; align-items: start; border-bottom: 1px solid rgba(255,255,255,.13); padding-bottom: 18px; margin-bottom: 18px; }
.receipt__status { color: #8adcc9; font: 10px var(--mono); }
.receipt__amount { font-size: clamp(44px, 5vw, 78px); line-height: 1; letter-spacing: -.055em; }
.receipt__network { color: rgba(255,255,255,.6); margin-top: 8px; }
.receipt__row { display: grid; grid-template-columns: 130px 1fr; gap: 20px; font: 10px/1.55 var(--mono); border-top: 1px solid rgba(255,255,255,.08); padding: 10px 0; }
.receipt__row span:first-child { color: rgba(255,255,255,.43); text-transform: uppercase; letter-spacing: .08em; }
.receipt__row span:last-child { overflow-wrap: anywhere; }
.proof-stack { display: grid; grid-template-rows: repeat(3, 1fr); }
.proof { padding: 22px 25px; border-bottom: 1px solid rgba(255,255,255,.1); display: grid; align-content: center; gap: 9px; }
.proof:last-child { border-bottom: 0; }
.proof__meta { color: #8adcc9; font-size: 8px; }
.proof__value { font-size: clamp(20px, 2vw, 30px); }
.proof__detail { color: rgba(255,255,255,.55); font: 10px/1.5 var(--mono); }

.pillars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.pillar { min-height: 250px; border-top: 2px solid var(--ink); padding: 28px 20px; background: rgba(255,255,255,.45); }
.pillar__num { font: 10px var(--mono); color: var(--green); }
.pillar h3 { margin: 76px 0 14px; font-size: clamp(18px, 1.65vw, 25px); }
.pillar p { font-size: 13px; color: var(--graphite); line-height: 1.45; }

.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; position: relative; }
.lane { min-height: 330px; border: 1px solid var(--line); padding: 28px; background: rgba(255,255,255,.38); }
.lane__label { font-size: 9px; color: var(--green); }
.lane h3 { margin: 18px 0 30px; }
.lane__path { display: grid; gap: 12px; }
.lane__node { border-left: 2px solid var(--ink); padding: 8px 12px; font-size: 14px; }
.trust-strip { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.trust-strip span { background: var(--ink); color: var(--paper); padding: 18px; text-align: center; font: 10px var(--mono); letter-spacing: .11em; text-transform: uppercase; }

.envelope { border: 1px solid var(--line); background: rgba(255,255,255,.5); display: grid; grid-template-columns: repeat(2, 1fr); box-shadow: 16px 16px 0 var(--paper-2); }
.envelope__head { grid-column: 1 / -1; padding: 18px 22px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; }
.envelope__head strong { font: 10px var(--mono); color: var(--green); letter-spacing: .12em; }
.envelope__field { padding: 14px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 72px; }
.envelope__field:nth-child(odd) { border-right: 0; }
.envelope__key { display: block; font-size: 8px; color: var(--slate); margin-bottom: 8px; }
.envelope__value { font: 12px/1.4 var(--mono); overflow-wrap: anywhere; }
.envelope__signature { grid-column: 1 / -1; padding: 22px; background: var(--green); color: white; font: 11px/1.5 var(--mono); overflow-wrap: anywhere; }

.architecture { display: grid; grid-template-columns: 1.2fr .8fr; gap: 54px; align-items: stretch; }
.hot-path { display: grid; grid-template-columns: repeat(5, 1fr); align-items: center; }
.node { position: relative; min-height: 210px; padding: 24px 14px; border-top: 1px solid rgba(255,255,255,.25); }
.node:not(:last-child)::after { content: ""; position: absolute; top: -2px; right: 0; width: 6px; height: 6px; background: #8adcc9; border-radius: 50%; }
.node__label { font-size: 8px; color: #8adcc9; }
.node strong { display: block; margin-top: 72px; font-size: 18px; }
.control-plane { border: 1px solid rgba(255,255,255,.16); padding: 26px; display: grid; gap: 14px; align-content: center; background: rgba(255,255,255,.04); }
.control-plane__item { border-left: 2px solid #8adcc9; padding: 12px 16px; }
.control-plane__item span { display: block; color: rgba(255,255,255,.5); font: 8px var(--mono); margin-top: 7px; text-transform: uppercase; letter-spacing: .1em; }

.position-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; }
.matrix { position: relative; height: 390px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 25%, linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 25% 100%; }
.matrix::before { content: "MACHINE-NATIVE ACQUISITION →"; position: absolute; left: 0; bottom: -28px; font: 8px var(--mono); letter-spacing: .12em; }
.matrix::after { content: "VERIFIABILITY →"; position: absolute; left: -28px; top: 50%; font: 8px var(--mono); letter-spacing: .12em; transform: rotate(-90deg) translateX(-50%); transform-origin: left top; }
.matrix__dot { position: absolute; transform: translate(-50%, -50%); padding: 7px 10px; background: var(--paper); border: 1px solid var(--line); font: 9px var(--mono); white-space: nowrap; }
.matrix__dot--marking { background: var(--green); color: white; border-color: var(--green); font-weight: 700; box-shadow: 0 0 0 7px rgba(11,110,93,.12); }
.position-copy { display: grid; align-content: center; gap: 18px; }
.position-copy__item { padding: 14px 0; border-top: 1px solid var(--line); }
.position-copy__item strong { font-size: 18px; display: block; margin-bottom: 5px; }
.position-copy__item p { font-size: 13px; color: var(--graphite); line-height: 1.45; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pricing-card { min-height: 300px; padding: 25px; background: rgba(255,255,255,.46); border-top: 2px solid var(--ink); display: flex; flex-direction: column; }
.pricing-card--active { background: var(--ink); color: var(--paper); border-color: var(--green); }
.pricing-card__index { font: 8px var(--mono); color: var(--green); letter-spacing: .12em; }
.pricing-card--active .pricing-card__index { color: #8adcc9; }
.pricing-card__price { margin-top: 40px; font-size: clamp(38px, 4vw, 62px); letter-spacing: -.05em; }
.pricing-card__unit { font: 8px var(--mono); color: var(--slate); text-transform: uppercase; }
.pricing-card p { margin-top: 22px; font-size: 14px; line-height: 1.4; }
.pricing-card small { margin-top: auto; padding-top: 18px; font: 9px/1.45 var(--mono); color: var(--slate); border-top: 1px solid var(--line); }
.pricing-card--active small, .pricing-card--active .pricing-card__unit { color: rgba(255,255,255,.55); border-color: rgba(255,255,255,.15); }
.pricing-rails { display: flex; justify-content: center; gap: 8px; }
.pricing-rails span { padding: 8px 12px; background: var(--green-soft); color: var(--green); font: 8px var(--mono); text-transform: uppercase; }

.money-flow { display: grid; grid-template-columns: 1fr 80px 1.2fr 80px 1fr; align-items: center; gap: 0; }
.money-node { min-height: 270px; padding: 28px; background: rgba(255,255,255,.44); border-top: 2px solid var(--ink); }
.money-node--marking { background: var(--ink); color: var(--paper); border-color: var(--green); }
.money-node h3 { margin-top: 90px; }
.money-node p { margin-top: 12px; font-size: 13px; color: var(--slate); line-height: 1.45; }
.money-node--marking p { color: rgba(255,255,255,.58); }
.money-arrow { text-align: center; font-size: 28px; color: var(--green); }
.revenue-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.revenue-chips span { padding: 8px 10px; border: 1px solid rgba(255,255,255,.18); font: 8px var(--mono); text-transform: uppercase; }

.flywheel { width: min(780px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.flywheel__item { position: relative; min-height: 160px; padding: 24px; border: 1px solid var(--line); background: rgba(255,255,255,.4); }
.flywheel__item:not(:nth-child(3n))::after { content: "→"; position: absolute; right: -15px; top: 50%; color: var(--green); z-index: 2; }
.flywheel__item strong { display: block; margin-top: 44px; font-size: 18px; }
.flywheel__item span { font: 8px var(--mono); color: var(--green); text-transform: uppercase; letter-spacing: .1em; }

.ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.ledger__column { border-top: 2px solid var(--ink); }
.ledger__head { display: flex; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid var(--line); }
.ledger__label { font-size: 9px; }
.ledger__label--proven { color: var(--green); }
.ledger__label--next { color: var(--amber); }
.ledger__row { display: grid; grid-template-columns: 18px 1fr auto; gap: 12px; align-items: center; border-bottom: 1px solid var(--line); padding: 12px 0; font-size: 13px; }
.ledger__row::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.ledger__column--next .ledger__row::before { background: var(--amber); }
.ledger__row small { color: var(--slate); font: 8px var(--mono); text-transform: uppercase; }

.ask { display: grid; grid-template-columns: 1fr .8fr; gap: 70px; align-items: center; }
.ask__title { font-size: clamp(48px, 6vw, 90px); line-height: .95; letter-spacing: -.052em; }
.ask__panel { border-top: 2px solid rgba(255,255,255,.8); padding-top: 24px; }
.ask__item { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.18); display: grid; grid-template-columns: 22px 1fr; gap: 14px; font-size: 17px; }
.ask__item span:first-child { color: #8adcc9; font: 9px var(--mono); }
.ask__caveat { margin-top: 25px; font: 9px/1.5 var(--mono); color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .08em; }
.founders { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.founder { border-top: 1px solid rgba(255,255,255,.24); padding-top: 13px; }
.founder strong { display: block; font-size: 14px; }
.founder span { display: block; margin-top: 5px; color: #8adcc9; font: 7px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.founder p { margin-top: 9px; color: rgba(255,255,255,.62); font-size: 10px; line-height: 1.4; }

.controls { position: fixed; right: 22px; bottom: 18px; z-index: 10; display: flex; align-items: center; gap: 8px; color: var(--ink); }
.controls button { width: 34px; height: 34px; border: 1px solid var(--line); background: rgba(244,242,237,.92); color: var(--ink); cursor: pointer; }
.controls button:disabled { opacity: .3; cursor: default; }
.controls__counter { min-width: 58px; text-align: center; font: 9px var(--mono); color: var(--slate); }
.progress { position: fixed; left: 0; top: 0; width: 100%; height: 3px; z-index: 12; background: transparent; }
.progress__bar { height: 100%; width: 0; background: var(--green); transition: width .25s ease; }

@media (prefers-reduced-motion: no-preference) {
  .slide.is-active .slide__body > * { animation: settle .42s ease both; }
  .slide.is-active .slide__body > *:nth-child(2) { animation-delay: .06s; }
  @keyframes settle { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
}

/* Never apply the mobile reading layout to paged media. Chrome evaluates
 * viewport-width queries while printing; without the explicit screen medium,
 * print export collapsed grids into tall mobile columns and clipped them. */
@media screen and (max-width: 900px) {
  .deck { overflow: visible; }
  .slide, .slide.is-active { display: flex; flex-direction: column; width: 100%; height: auto; min-height: 100vh; padding: 28px 22px 62px; overflow: visible; }
  .slide[aria-hidden="true"] { display: flex; }
  .slide__body--split, .proof-grid, .position-grid, .architecture, .ask, .decision-grid, .strategy-footer { grid-template-columns: 1fr; }
  .slide__footer { left: 22px; right: 22px; }
  h1, h2, h3, p, span, strong { overflow-wrap: break-word; }
  .artifact { width: 100%; margin-left: 0; }
  .artifact__line { display: grid; grid-template-columns: minmax(76px, .35fr) minmax(0, 1fr); gap: 12px; }
  .flow-compare, .lanes, .ledger { grid-template-columns: 1fr; }
  .decision-pipeline__main { grid-template-columns: 1fr; }
  .pipeline-node { min-height: 78px; }
  .pipeline-node strong { margin-top: 17px; }
  .pipeline-branches { max-width: none; margin: 0; }
  .pipeline-boundary { grid-template-columns: 1fr; }
  .pipeline-boundary i { display: none; }
  .strategy-grid, .pricing-grid { grid-template-columns: 1fr; }
  .strategy-group, .pricing-card { min-height: 0; }
  .strategy-group > div { margin-top: 18px; }
  .pricing-card__price { margin-top: 20px; }
  .transaction { grid-template-columns: 1fr; }
  .transaction__step { min-height: 74px; padding: 14px; }
  .transaction__step strong { margin-top: 13px; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .pillar { min-height: 190px; }
  .pillar h3 { margin-top: 48px; }
  .hot-path { grid-template-columns: 1fr; }
  .node { min-height: 82px; }
  .node strong { margin-top: 20px; }
  .money-flow { grid-template-columns: 1fr; gap: 10px; }
  .money-arrow { transform: rotate(90deg); }
  .flywheel { grid-template-columns: 1fr 1fr; }
  .flywheel__item::after { display: none; }
  .receipt__row { grid-template-columns: 1fr; gap: 4px; }
  .envelope { grid-template-columns: 1fr; }
  .envelope__head, .envelope__signature { grid-column: 1; }
  .envelope__field { border-right: 0; }
  .matrix__dot { max-width: 110px; white-space: normal; text-align: center; }
  .controls, .progress { display: none; }
}

@media print {
  @page { size: 13.333in 7.5in; margin: 0; }
  html, body, .deck { width: 13.333in; height: auto; background: white; overflow: visible; }
  .slide, .slide.is-active, .slide[aria-hidden="true"] {
    display: flex !important;
    flex-direction: column;
    width: 13.333in;
    height: 7.5in;
    min-height: 0;
    padding: .44in .62in .56in;
    break-after: page;
    page-break-after: always;
    overflow: hidden;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  /* The cover's first grid item was a few pixels taller than the printable
   * body. Chromium's paged-grid fragmentation omitted that entire item rather
   * than clipping a line. Use an explicit print size that fits every variant. */
  h1 { font-size: 72px; line-height: .94; }
  .ask__title { font-size: 60px; line-height: .93; }
  .ask { gap: 48px; }
  .ask__caveat { margin-top: 18px; }
  .founders { margin-top: 16px; }
  .slide__body--split > * { break-inside: avoid; page-break-inside: avoid; }
  .slide__body--split .lede { margin-top: 20px !important; font-size: 21px; }
  .slide__footer { left: .62in; right: .62in; bottom: .19in; }
  .controls, .progress { display: none !important; }
  * { animation: none !important; transition: none !important; }
}