@charset "UTF-8";

:root {
  --paper: #fff;
  --ink: #16132b;
  --slate: #5d5a70;
  --flare: #e0156b;
  --flare-soft: #ffe3ee;
  --flare-ink: #6e0634;
  --volt: #5b3df5;
  --volt-soft: #f0edff;
  --volt-ink: #2b1586;
  --linen: #f6f4f1;
  --stone: #d9d5cf;
  --line: #ece9e5;
  --track: #8c8898;
  --gutter: clamp(20px, 4.5vw, 80px);
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 7rem; }
body { margin: 0; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: wait; }
button, input, fieldset { min-width: 0; }
fieldset { margin: 0; padding: 0; border: 0; }
a { color: inherit; text-underline-offset: .22em; }
button, a, summary, input { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid var(--volt); outline-offset: 5px; }
::selection { background: var(--flare-soft); color: var(--flare-ink); }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4, p, a, label, summary { overflow-wrap: break-word; }
h1, h2 { font-weight: 650; }
h2 { font-size: clamp(2.65rem, 5.6vw, 5.1rem); line-height: 1.035; letter-spacing: -.045em; }
p { line-height: 1.55; }
[hidden] { display: none !important; }
.wrap { max-width: 1440px; margin-inline: auto; padding-inline: var(--gutter); }
.section-space { padding-top: clamp(5.5rem, 9vw, 9rem); padding-bottom: clamp(5.5rem, 9vw, 9rem); }
.flare-text { color: var(--flare); }
.volt-text { color: var(--volt); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 10; padding: 1rem; background: var(--ink); color: var(--paper); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { font-size: .8125rem; font-weight: 650; line-height: 1.45; letter-spacing: .065em; }
.chapter-label { display: flex; align-items: center; gap: 1.15rem; margin-bottom: 1.9rem; }
.chapter-label > span { display: grid; flex: 0 0 2rem; height: 2rem; place-items: center; font-size: .75rem; border: 1px solid currentColor; border-radius: 50%; letter-spacing: 0; }
.section-intro { max-width: 36rem; font-size: clamp(1.125rem, 1.55vw, 1.375rem); color: var(--slate); margin-top: 1.75rem; }
.hero > *, .demo-workspace > *, .source-body > *, .details-grid > *, .evidence-heading > *, .ledger-row > *, .beta-grid > *, .faq-section > * { min-width: 0; }

/* A quiet masthead gives the first line room to be a poster. */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.97); border-bottom: 1px solid transparent; transition: border-color .2s; }
.site-header.scrolled { border-color: var(--line); }
.header-inner { min-height: 100px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; align-items: center; }
.wordmark { font-size: 2.8rem; line-height: 1; letter-spacing: -.085em; font-weight: 850; text-decoration: none; display: inline-block; padding: .3rem .4rem .4rem 0; }
.wordmark > span { color: var(--flare); }
.header-inner nav { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(1rem, 2.7vw, 2.75rem); margin-left: auto; margin-right: 1.6rem; }
.header-inner nav a { font-size: .875rem; text-decoration: none; padding-block: .75rem; }
.header-inner nav a:hover { color: var(--flare); }
.button { min-height: 56px; padding: .95rem 1.65rem; display: inline-flex; align-items: center; justify-content: center; gap: .65rem; border: 1px solid transparent; border-radius: 9px; font-size: 1rem; font-weight: 650; line-height: 1.25; text-align: center; text-decoration: none; overflow-wrap: anywhere; transition: background .16s, transform .16s, box-shadow .16s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 5px 0 rgba(22,19,43,.09); }
.button:active { transform: translateY(0); box-shadow: none; }
.button-small { min-height: 46px; max-width: 100%; padding: .75rem 1.2rem; font-size: .875rem; }
.button-ink { color: var(--paper); background: var(--ink); }
.button-ink:hover { background: var(--volt-ink); }
.button-flare { color: var(--paper); background: var(--flare); }
.button-flare:hover { background: var(--flare-ink); }
.text-link { display: inline-flex; min-height: 48px; align-items: center; gap: .85rem; font-size: .9375rem; font-weight: 600; text-decoration-thickness: 1px; }
.play-icon { display: grid; width: 1.5rem; height: 1.5rem; border: 1px solid var(--stone); border-radius: 50%; place-items: center; font-size: .55rem; padding-left: 1px; }

.hero { display: grid; grid-template-columns: 1.07fr 1fr; gap: 1rem; padding-top: clamp(2.5rem, 5vw, 5rem); padding-bottom: 4.2rem; }
.hero-copy { padding-bottom: 1rem; position: relative; z-index: 1; }
.hero-copy .eyebrow { display: flex; align-items: center; gap: .7rem; letter-spacing: 0; font-size: .875rem; font-weight: 500; }
.tiny-mark { display: inline-flex; width: 1.55rem; height: 1.55rem; align-items: center; justify-content: center; font-size: 1.125rem; font-weight: 850; border-radius: 50%; background: var(--flare-soft); color: var(--flare); }
h1 { margin-top: 1.8rem; font-size: clamp(4.25rem, 7.9vw, 7.2rem); line-height: .99; letter-spacing: -.055em; }
.hero-description { max-width: 28rem; margin-top: 1.9rem; font-size: 1.175rem; line-height: 1.55; color: var(--slate); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1.1rem 1.7rem; align-items: center; margin-top: 1.9rem; }
.hero-note { font-size: .8125rem; color: var(--slate); margin-top: 1.1rem; }
.hero-art { position: relative; display: flex; flex-direction: column; align-self: start; min-width: 0; min-height: 620px; padding-top: 16.3rem; isolation: isolate; clip-path: inset(-16px); }
.hero-loop { position: absolute; width: 112%; height: auto; left: -4%; top: -3%; color: var(--flare); z-index: -2; }
.hero-loop path { stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.hero-loop circle { fill: currentColor; }
.giant-ah { position: absolute; top: -1%; left: 10%; transform: rotate(-9deg); font-size: clamp(12rem, 23vw, 22rem); line-height: 1; letter-spacing: -.095em; font-weight: 850; color: var(--flare); z-index: -1; user-select: none; }
.question-ticket { width: 88%; margin-left: 8%; max-width: 430px; border-radius: 15px; background: var(--paper); border: 1px solid var(--ink); box-shadow: 12px 13px 0 var(--volt-soft); }
.ticket-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .7rem; background: var(--ink); color: var(--paper); padding: .75rem 1.6rem; border-radius: 13px 13px 0 0; font-size: .75rem; letter-spacing: .07em; font-weight: 600; }
.ticket-spark { font-size: 1.5rem; line-height: 1; color: var(--flare-soft); }
.ticket-question { padding: 1.4rem 1.6rem; font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 550; line-height: 1.24; letter-spacing: -.025em; }
.ticket-divider { height: 1px; margin-inline: 1.6rem; border-top: 1px dashed var(--stone); }
.ticket-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.6rem; }
.ticket-label { display: block; font-size: .75rem; letter-spacing: .05em; color: var(--slate); margin-bottom: .3rem; }
.ticket-bottom strong { font-size: .9rem; font-weight: 550; }
.ticket-count { display: flex; flex-wrap: wrap; max-width: 100%; align-items: center; gap: .5rem; color: var(--flare); font-size: 2.5rem; font-weight: 500; line-height: 1; }
.ticket-count small { font-size: .75rem; color: var(--slate); }
.ticket-link { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1.6rem; font-size: .875rem; min-height: 48px; text-decoration: none; font-weight: 600; border-top: 1px solid var(--line); border-radius: 0 0 15px 15px; }
.ticket-link:hover { background: var(--volt-soft); color: var(--volt-ink); }
.ticket-link span { font-size: 1.35rem; line-height: 1; }
.art-caption { margin: 2rem 1rem 0; align-self: center; text-align: center; font-size: .875rem; color: var(--slate); }
.art-caption em { color: var(--flare); font-weight: 750; }
.opening-note { display: flex; align-items: center; justify-content: center; gap: 2rem; padding-block: 2.25rem; font-size: clamp(1rem, 1.65vw, 1.375rem); font-weight: 550; border-block: 1px solid var(--line); }
.opening-star { color: var(--flare); font-size: 2.5rem; line-height: 1; }

/* One self-paced example; changing an input never starts a research call. */
.how-section .section-heading { max-width: 58rem; }
.how-steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding: 0; margin: 3.2rem 0 2.5rem; }
.how-steps li { display: flex; gap: .9rem; }
.step-number { width: 1.6rem; height: 1.6rem; flex: 0 0 1.6rem; display: grid; place-items: center; font-size: .75rem; font-weight: 650; border-radius: 50%; background: var(--volt-soft); color: var(--volt-ink); }
.how-steps h3 { font-size: 1rem; font-weight: 650; line-height: 1.45; }
.how-steps p { color: var(--slate); font-size: .875rem; margin-top: .25rem; }
.boarding-demo { border: 1px solid var(--stone); border-radius: 22px; overflow: hidden; }
.demo-topline { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.1rem 2.2rem; border-bottom: 1px solid var(--line); font-size: .8125rem; color: var(--slate); }
.demo-badge { min-width: 0; overflow-wrap: anywhere; font-size: .75rem; letter-spacing: .055em; font-weight: 700; color: var(--volt-ink); background: var(--volt-soft); border-radius: 5px; padding: .4rem .6rem; display: inline-block; }
.demo-workspace { display: grid; grid-template-columns: 1fr 1fr; }
.demo-input { padding: 2.7rem 3rem 2.5rem; }
.demo-input h3 { font-size: clamp(1.75rem, 2.8vw, 2.6rem); line-height: 1.15; font-weight: 600; letter-spacing: -.035em; }
.demo-input > p { font-size: 1rem; color: var(--slate); margin-top: 1.1rem; max-width: 27rem; }
.boarding-control { margin-top: 2.7rem; }
.range-label { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.range-label label { font-size: .9375rem; font-weight: 550; }
.range-label output { font-size: 1.8rem; font-weight: 600; color: var(--flare); min-width: 2.25rem; text-align: right; font-variant-numeric: tabular-nums; }
#boardings { width: 100%; margin: .8rem 0 0; height: 48px; appearance: none; background: transparent; cursor: pointer; }
#boardings::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: linear-gradient(to right, var(--flare) 0 var(--progress, 9.09%), var(--track) var(--progress, 9.09%) 100%); }
#boardings::-webkit-slider-thumb { appearance: none; width: 26px; height: 26px; margin-top: -11px; border: 5px solid var(--paper); border-radius: 50%; background: var(--flare); box-shadow: 0 0 0 1px var(--flare); }
#boardings::-moz-range-track { height: 4px; background: var(--track); border-radius: 4px; }
#boardings::-moz-range-progress { height: 4px; background: var(--flare); }
#boardings::-moz-range-thumb { width: 16px; height: 16px; border: 5px solid var(--paper); border-radius: 50%; background: var(--flare); box-shadow: 0 0 0 1px var(--flare); }
.range-ends { display: flex; justify-content: space-between; color: var(--slate); font-size: .75rem; }
.boarding-presets { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.boarding-presets button { border: 1px solid var(--stone); background: var(--paper); color: var(--ink); min-height: 44px; padding: .65rem .7rem; border-radius: 7px; font-size: .875rem; transition: background .16s, border-color .16s; }
.boarding-presets button[aria-pressed="true"] { background: var(--flare-soft); color: var(--flare-ink); border-color: var(--flare); }
.boarding-presets button span { display: none; margin-left: .25rem; }
.boarding-presets button[aria-pressed="true"] span { display: inline; }
.boarding-presets button:hover { border-color: var(--flare); }
.field-hint { color: var(--slate); font-size: .8125rem; margin-top: 1rem; }
.demo-result { background: var(--linen); padding: 2rem 2.5rem 2.2rem; border-left: 1px solid var(--line); }
.result-kicker { display: flex; justify-content: space-between; align-items: center; gap: .5rem; font-size: .75rem; font-weight: 650; letter-spacing: .07em; color: var(--slate); }
.result-mark { font-size: 2rem; font-weight: 850; letter-spacing: -.085em; color: var(--ink); }
.result-outcome { font-size: .9375rem; margin-top: 1.4rem; max-width: 22rem; }
.result-value { line-height: 1; font-weight: 550; letter-spacing: -.04em; margin-top: 1.35rem; }
.one-in { display: block; font-size: 1.65rem; letter-spacing: -.015em; margin-bottom: .35rem; font-weight: 450; }
#result-millions { display: block; font-size: clamp(3.6rem, 5.5vw, 5rem); font-variant-numeric: tabular-nums; }
#result-millions > span { font-size: .58em; letter-spacing: -.04em; }
.result-exposure { font-size: 1rem; margin-top: .5rem; }
.boarding-stamps { display: flex; gap: .4rem; margin: 1.5rem 0; flex-wrap: wrap; }
.boarding-stamps > span { width: 15px; height: 21px; border: 1px solid var(--track); border-radius: 3px; position: relative; }
.boarding-stamps > span::after { content: ""; position: absolute; height: 1px; background: var(--track); left: 2px; right: 2px; top: 5px; }
.boarding-stamps > .active { background: var(--ink); border-color: var(--ink); }
.boarding-stamps > .active::after { background: var(--paper); }
.result-context { font-size: .8125rem; line-height: 1.5; padding-top: 1.15rem; border-top: 1px solid var(--stone); }
.result-limit { font-size: .8125rem; line-height: 1.5; color: var(--slate); margin-top: .65rem; }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
.source-details { border-top: 1px solid var(--stone); }
.source-details > summary { min-height: 64px; padding: 1rem 2.2rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-size: .9375rem; font-weight: 600; color: var(--volt-ink); }
.source-details > summary:hover { background: var(--volt-soft); }
.source-details > summary:focus-visible { outline-offset: -4px; }
.expand-symbol { display: inline-block; font-size: 1.45rem; font-weight: 400; transition: transform .18s; }
details[open] > summary .expand-symbol { transform: rotate(45deg); }
.source-body { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: .75rem 2.2rem 2rem; }
.source-body h4 { font-size: 1.2rem; font-weight: 600; letter-spacing: -.02em; margin: .65rem 0; }
.source-body p, .source-body a { font-size: .875rem; }
.source-body .eyebrow { font-size: .75rem; color: var(--slate); }
.source-body a { display: inline-block; min-height: 44px; padding-block: .35rem; margin-top: 1rem; color: var(--volt); font-weight: 550; }
.source-body .formula { font-size: 1.2rem; font-variant-numeric: tabular-nums; line-height: 1.8; overflow-wrap: anywhere; }
.source-small { color: var(--slate); margin-top: .8rem; }
.demo-footnote { padding: .75rem 2.2rem; font-size: .75rem; color: var(--slate); border-top: 1px solid var(--line); }
.static-note { margin-top: 1.25rem; font-size: .875rem; }

/* Personalization is an open editorial spread with one tangible artifact. */
.details-section { border-block: 1px solid var(--line); background: linear-gradient(90deg, var(--paper) 0 63%, var(--flare-soft) 63% 100%); }
.details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.details-copy .chapter-label { font-size: .75rem; }
.details-copy h2 { font-size: clamp(3rem, 6.1vw, 5.6rem); }
.details-copy .section-intro { max-width: 25rem; }
.details-aside { border-left: 2px solid var(--flare); padding-left: 1.1rem; margin-top: 2.5rem; color: var(--slate); font-size: .9375rem; }
.details-aside strong { color: var(--ink); font-weight: 550; display: inline-block; margin-top: .2rem; }
.context-example { padding: 1.5rem 2rem 1.5rem; border-radius: 17px; background: var(--paper); border: 1px solid var(--ink); box-shadow: 10px 10px 0 var(--flare); }
.context-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; }
.small-ah { font-size: 1.9rem; letter-spacing: -.085em; line-height: 1; font-weight: 800; }
.context-heading .demo-badge { font-size: .75rem; }
.context-question { font-size: clamp(1.75rem, 2.7vw, 2.4rem); letter-spacing: -.04em; line-height: 1.18; font-weight: 550; margin-top: 1.6rem; }
.context-instruction { color: var(--slate); font-size: .875rem; margin-top: .75rem; }
.context-options { display: flex; flex-direction: column; margin-top: 1.5rem; border-top: 1px solid var(--line); }
.context-options button { display: flex; align-items: center; gap: .7rem; padding: .95rem .65rem; min-height: 52px; color: var(--ink); background: var(--paper); border: 0; border-bottom: 1px solid var(--line); text-align: left; font-size: .9375rem; transition: background .16s; }
.context-options button:hover { background: var(--linen); }
.context-options button > span:nth-child(2) { min-width: 0; overflow-wrap: anywhere; }
.context-options button[aria-pressed="true"] { background: var(--flare-soft); color: var(--flare-ink); font-weight: 600; }
.context-option-number { color: var(--slate); font-size: .75rem; font-variant-numeric: tabular-nums; }
.context-check { margin-left: auto; visibility: hidden; color: var(--flare); }
.context-options button[aria-pressed="true"] .context-check { visibility: visible; }
.context-answer { margin-top: 1.8rem; min-height: 205px; }
.context-answer-label { font-size: .75rem; letter-spacing: .08em; color: var(--slate); font-weight: 600; }
.context-answer h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.025em; line-height: 1.3; margin-top: .6rem; }
.context-answer > p:not(.context-answer-label) { font-size: .875rem; color: var(--slate); margin-top: .5rem; }
.context-answer > a { display: inline-block; min-height: 44px; padding-block: .35rem; color: var(--volt); font-size: .875rem; margin-top: .85rem; text-underline-offset: .2em; }
.context-limit { border-top: 1px solid var(--line); padding-top: 1.15rem; display: flex; align-items: center; gap: .6rem; font-size: .8125rem; }
.context-limit > span { font-size: 1.4rem; color: var(--volt); font-weight: 700; }
.context-privacy { margin-top: .6rem; font-size: .75rem; color: var(--slate); }

/* The evidence is an open ledger, without borrowed authority or logo walls. */
.evidence-heading { display: grid; grid-template-columns: 1.2fr 1fr; column-gap: 3rem; align-items: end; }
.evidence-heading .chapter-label { grid-column: 1 / -1; }
.evidence-heading .section-intro { margin: 0 0 .3rem; max-width: 27rem; }
.evidence-ledger { margin-top: 4rem; border-top: 1px solid var(--ink); }
.ledger-row { display: grid; grid-template-columns: .3fr 1fr 1.35fr; column-gap: 2rem; padding: 2.5rem 0; border-bottom: 1px solid var(--stone); }
.ledger-number { font-size: .8125rem; color: var(--slate); padding-top: .25rem; }
.ledger-row h3 { font-size: clamp(1.5rem, 2.2vw, 2rem); font-weight: 550; letter-spacing: -.03em; line-height: 1.16; }
.ledger-row p { font-size: 1rem; color: var(--slate); max-width: 33rem; }
.ledger-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.1rem; }
.ledger-tags > span { padding: .35rem .65rem; font-size: .75rem; border: 1px solid var(--stone); border-radius: 5px; }
.ledger-row .ledger-note { margin-top: .9rem; font-size: .875rem; color: var(--ink); }

/* A bright, deliberate finish. The only information requested is an email. */
.beta-section { background: var(--flare); color: var(--paper); padding-block: clamp(5rem, 8vw, 8rem); }
.beta-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.beta-copy h2 { margin-top: 1.5rem; font-size: clamp(3.5rem, 6.5vw, 6rem); line-height: 1; }
.beta-copy h2 > span { display: inline-block; font-weight: 850; letter-spacing: -.08em; transform: rotate(-7deg); }
.beta-copy > p:last-child { font-size: 1.125rem; margin-top: 1.5rem; }
.signup-panel { background: var(--paper); color: var(--ink); padding: 2.3rem; border-radius: 17px; border: 1px solid var(--flare-ink); box-shadow: 10px 10px 0 var(--flare-ink); }
.signup-panel > .eyebrow { color: var(--slate); font-size: .75rem; }
.signup-panel h3 { font-size: 2.2rem; letter-spacing: -.04em; line-height: 1.15; font-weight: 600; margin-top: .7rem; }
.signup-panel > p:not(.eyebrow) { font-size: .9375rem; color: var(--slate); margin-top: .9rem; }
#beta-form { margin-top: 1.75rem; }
.email-label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .65rem; }
#beta-email { display: block; width: 100%; min-height: 54px; border: 1px solid var(--track); background: var(--paper); border-radius: 7px; padding: .85rem 1rem; color: var(--ink); font-size: 1rem; }
#beta-email::placeholder { color: var(--slate); }
.consent-label { display: flex; align-items: flex-start; gap: .65rem; padding-block: .95rem; font-size: .875rem; line-height: 1.5; cursor: pointer; }
#beta-consent { flex: 0 0 18px; width: 18px; height: 18px; margin: .08rem 0 0; accent-color: var(--flare); }
.signup-button { width: 100%; }
.form-status { margin-top: .75rem; font-size: .875rem; }
.form-status:empty { margin-top: 0; }
.form-status:focus-visible { outline: 3px solid var(--volt); outline-offset: 5px; }
.form-status[data-kind="error"] { color: var(--flare-ink); }
.form-status[data-kind="success"] { padding: 1rem; background: var(--volt-soft); border-radius: 7px; color: var(--volt-ink); }
.signup-privacy { font-size: .75rem; color: var(--slate); margin-top: 1rem; }
.signup-panel > .local-signup-note { font-size: .75rem; line-height: 1.5; margin-top: 1rem; color: var(--slate); }
.signup-privacy summary { min-height: 44px; display: inline-flex; align-items: center; font-size: .875rem; text-decoration: underline; text-underline-offset: .2em; }
.signup-privacy summary::before { content: "+"; font-size: 1rem; margin-right: .4rem; }
.signup-privacy[open] summary::before { content: "−"; }
.signup-privacy p { font-size: .875rem; margin-top: .3rem; }

.faq-section { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.faq-heading h2 { font-size: clamp(2.25rem, 3.7vw, 3.25rem); margin-top: 1rem; }
.faq-heading .eyebrow { font-size: .75rem; color: var(--slate); }
.faq-list { border-top: 1px solid var(--stone); }
.faq-list > details { border-bottom: 1px solid var(--stone); }
.faq-list > details > summary { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding: 1.3rem 0; min-height: 76px; font-size: 1rem; font-weight: 550; }
.faq-list > details > summary:hover { color: var(--volt); }
.faq-list > details > summary > span { flex: 0 0 1.5rem; }
.faq-list > details > p, .faq-answer { padding: 0 2rem 1.5rem 0; color: var(--slate); font-size: .9375rem; }
.faq-answer p + p { margin-top: .75rem; }
.site-footer { display: flex; gap: 2rem; align-items: center; justify-content: space-between; padding-block: 2rem 2.7rem; border-top: 1px solid var(--line); }
.footer-wordmark { font-size: 3.8rem; }
.site-footer > p { font-size: .9375rem; color: var(--slate); margin-right: auto; }
.site-footer > div { display: flex; gap: .65rem; flex-direction: column; text-align: right; font-size: .75rem; color: var(--slate); }
.site-footer > div > a { min-height: 44px; display: inline-flex; align-items: center; justify-content: flex-end; font-size: .875rem; }

/* Only finite, user-paced motion; facts remain stationary. */
.reveal.is-entering { animation: enter .5s cubic-bezier(.2,.65,.3,1) both; }
.hero-art.is-drawing .ink-line { animation: draw-loop .7s ease-out both; }
@keyframes enter { from { opacity: .55; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes draw-loop { from { stroke-dasharray: 1; stroke-dashoffset: 1; } to { stroke-dasharray: 1; stroke-dashoffset: 0; } }

@media (min-width: 1600px) {
  .hero { padding-top: 5rem; }
  .hero-art { min-height: 650px; }
  .giant-ah { top: 1%; }
}
@media (max-width: 1100px) {
  .header-inner nav { gap: 1.5rem; margin-right: .5rem; }
  .hero { grid-template-columns: 1.05fr 1fr; }
  h1 { font-size: clamp(4.2rem, 8vw, 6rem); }
  .hero-art { min-height: 590px; }
  .hero-art { padding-top: 13.65rem; }
  .question-ticket { width: 96%; margin-left: 0; }
  .giant-ah { top: 3%; left: 5%; font-size: 26vw; }
  .hero-loop { width: 117%; top: 0; left: -7%; }
  .ticket-top, .ticket-question, .ticket-bottom, .ticket-link { padding-inline: 1.2rem; }
  .demo-input { padding: 2rem; }
  .demo-result { padding: 1.5rem 2rem 2rem; }
  .context-example { padding-inline: 1.5rem; }
  .details-grid, .beta-grid { gap: 3.25rem; }
  .signup-panel { padding: 2rem; }
}
@media (max-width: 850px) {
  .header-inner { min-height: 82px; }
  .header-inner nav { display: none; }
  .hero { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  h1 { font-size: 8.8vw; }
  .hero-copy .eyebrow { font-size: .75rem; }
  .hero-description { font-size: 1rem; }
  .hero-art { min-height: 540px; padding-top: 14.85rem; }
  .giant-ah { top: 12%; }
  .hero-loop { top: 12%; }
  .ticket-top { font-size: .75rem; }
  .ticket-question { font-size: 1.4rem; }
  .ticket-count { display: none; }
  .hero-actions { gap: .75rem; }
  .hero-actions .text-link { font-size: .875rem; }
  .how-steps { grid-template-columns: 1fr; gap: 1.1rem; }
  .demo-input { padding: 1.5rem; }
  .demo-result { padding: 1.5rem; }
  .boarding-presets { gap: .4rem; }
  .demo-topline, .source-details > summary { padding-inline: 1.5rem; }
  .source-body { padding-inline: 1.5rem; gap: 2rem; }
  .demo-footnote { padding-inline: 1.5rem; }
  .details-grid { gap: 2rem; }
  .details-copy .chapter-label { align-items: flex-start; gap: .6rem; }
  .details-copy .chapter-label > span { margin-top: -.35rem; }
  .context-example { padding: 1.25rem; }
  .context-heading .demo-badge { font-size: .75rem; }
  .context-heading .small-ah { font-size: 1.5rem; }
  .context-question { font-size: 1.7rem; }
  .context-answer { min-height: 260px; }
  .evidence-heading { grid-template-columns: 1fr; }
  .evidence-heading .section-intro { margin-top: 1.5rem; }
  .ledger-row { grid-template-columns: .18fr .85fr 1.4fr; column-gap: 1rem; }
  .beta-grid { gap: 2.5rem; grid-template-columns: .9fr 1.1fr; }
  .signup-panel { padding: 1.5rem; }
  .signup-panel h3 { font-size: 1.8rem; }
  .beta-copy h2 { font-size: 7.5vw; }
  .faq-section { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 6rem; }
  .site-header { position: relative; }
  .header-inner { min-height: 76px; gap: .75rem 1rem; padding-block: .5rem; }
  .wordmark { font-size: 2.5rem; }
  .button-small { min-height: 44px; font-size: .875rem; padding: .75rem 1rem; }
  .hero { display: flex; flex-direction: column; padding-top: 2rem; gap: 1rem; padding-bottom: 2.5rem; }
  .hero-copy .eyebrow { font-size: .8125rem; }
  h1 { font-size: clamp(3.65rem, 13vw, 5.4rem); margin-top: 1.5rem; line-height: 1; }
  .hero-description { font-size: 1.0625rem; max-width: 30rem; margin-top: 1.5rem; }
  .hero-actions { gap: 1.1rem 1.4rem; margin-top: 1.5rem; }
  .hero-note { font-size: .75rem; }
  .hero-art { min-height: 500px; max-width: 420px; width: 100%; align-self: center; padding-top: 11.6rem; }
  .giant-ah { font-size: 14.7rem; left: 12%; top: 0; }
  .hero-loop { width: 108%; top: -1%; left: -4%; }
  .question-ticket { width: 90%; margin-left: 3%; }
  .ticket-top { font-size: .75rem; }
  .ticket-question { font-size: 1.8rem; }
  .ticket-count { display: flex; }
  .art-caption { font-size: .875rem; }
  .opening-note { justify-content: flex-start; font-size: .875rem; gap: .9rem; padding-block: 1.65rem; }
  .opening-note > span:not(.opening-star) { flex: 1; max-width: 11rem; }
  .opening-star { font-size: 1.8rem; }
  .section-space { padding-block: 4.5rem; }
  .chapter-label { font-size: .75rem; gap: .7rem; margin-bottom: 1.5rem; }
  h2 { font-size: clamp(2.6rem, 10vw, 4rem); }
  .section-intro { font-size: 1.0625rem; margin-top: 1.25rem; }
  .how-steps { margin-top: 2rem; margin-bottom: 2rem; gap: 1.3rem; }
  .how-steps h3 { font-size: .9375rem; }
  .how-steps p { font-size: .875rem; }
  .boarding-demo { border-radius: 15px; }
  .demo-topline { padding: 1rem 1.2rem; }
  .demo-topline > span:last-child { display: none; }
  .demo-workspace { grid-template-columns: 1fr; }
  .demo-input { padding: 1.8rem 1.2rem; }
  .demo-input h3 { font-size: 2rem; }
  .demo-input > p { font-size: .9375rem; }
  .boarding-control { margin-top: 1.65rem; }
  .boarding-presets button { font-size: .875rem; padding-inline: .65rem; }
  .demo-result { border-top: 1px solid var(--line); border-left: 0; padding: 1.4rem 1.2rem 1.8rem; }
  #result-millions { font-size: 4.5rem; }
  .result-outcome { margin-top: 1rem; }
  .result-context, .result-limit { font-size: .8125rem; }
  .source-details > summary { padding: 1rem 1.2rem; font-size: .875rem; }
  .source-body { grid-template-columns: 1fr; padding: .5rem 1.2rem 1.5rem; gap: 1.75rem; }
  .demo-footnote { padding: .8rem 1.2rem; }
  .details-section { background: linear-gradient(to bottom, var(--paper) 0 48%, var(--flare-soft) 48% 100%); }
  .details-grid { grid-template-columns: 1fr; gap: 3rem; }
  .details-copy h2 { font-size: clamp(3rem, 12vw, 4.6rem); }
  .details-copy .section-intro { max-width: 32rem; }
  .details-aside { margin-top: 1.7rem; }
  .context-example { padding: 1.5rem; margin-right: 10px; }
  .context-heading .demo-badge { font-size: .75rem; }
  .context-heading .small-ah { font-size: 1.8rem; }
  .context-question { font-size: 2rem; }
  .context-answer { min-height: 225px; }
  .evidence-heading .chapter-label { font-size: .75rem; }
  .evidence-ledger { margin-top: 2.5rem; }
  .ledger-row { grid-template-columns: 2rem 1fr; gap: .75rem; padding-block: 2rem; }
  .ledger-row h3 { font-size: 1.8rem; }
  .ledger-row h3 br { display: none; }
  .ledger-row > div { grid-column: 2; }
  .ledger-row p { font-size: .9375rem; }
  .beta-section { padding-block: 4.5rem; }
  .beta-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .beta-copy h2 { font-size: clamp(3.65rem, 13.5vw, 5.3rem); }
  .beta-copy > p:last-child { font-size: 1.0625rem; }
  .signup-panel { padding: 1.5rem; margin-right: 10px; }
  .signup-panel h3 { font-size: 2.1rem; }
  .faq-heading h2 { font-size: 2.5rem; }
  .faq-list > details > summary { gap: 1rem; font-size: .9375rem; }
  .faq-list > details > p, .faq-answer { padding-right: .5rem; }
  .site-footer { flex-wrap: wrap; gap: 1rem; padding-block: 1.75rem; }
  .footer-wordmark { font-size: 3.5rem; }
  .site-footer > p { font-size: .8125rem; flex: 1; text-align: right; }
  .site-footer > div { flex-basis: 100%; flex-wrap: wrap; flex-direction: row; text-align: left; justify-content: space-between; align-items: center; }
}
@media (max-width: 370px) {
  .hero-copy .eyebrow { font-size: .75rem; }
  h1 { font-size: 3.55rem; }
  .hero-art { min-height: 475px; padding-top: 10.1rem; }
  .giant-ah { font-size: 12.8rem; }
  .question-ticket { width: 95%; margin-left: 0; }
  .ticket-question { font-size: 1.55rem; }
  .ticket-count { gap: .3rem; }
  .ticket-bottom strong { font-size: .8rem; }
  .ticket-count small { font-size: .75rem; }
  .context-example, .signup-panel { padding: 1.2rem; }
  .context-question { font-size: 1.8rem; }
  .context-heading .small-ah { display: none; }
  .context-answer { min-height: 260px; }
  .demo-badge { font-size: .75rem; }
  #result-millions { font-size: 3.65rem; }
  .result-kicker { font-size: .75rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .button:hover, .button:active { transform: none; }
  .reveal { opacity: 1; transform: none; }
}
@media (forced-colors: active) {
  .button, .question-ticket, .context-example, .signup-panel { border: 1px solid ButtonText; }
  input[type="range"] { appearance: auto !important; }
  .context-options button[aria-pressed="true"], .boarding-presets button[aria-pressed="true"] { outline: 2px solid Highlight; }
}