/* The public landing page is a screen-by-screen story. The header and chapter
   navigation occupy fixed grid rows, independent of the active center panel. */
html:has(.story-site) { height: 100%; overflow: hidden; scroll-behavior: auto; scroll-padding: 0; }
.story-site { height: 100dvh; overflow: hidden; display: grid; grid-template-rows: 68px minmax(0,1fr) 64px; }
.story-site .masthead { position: relative; top: auto; min-height: 0; }
.story-site .masthead .shell { min-height: 0; height: 100%; max-width: 1200px; padding-inline: 32px; }
.story-site .brand { font-size: 30px; }
.story-site .brand img { width: 24px; height: 38px; }
.story-site .header-actions .pill { padding: 10px 20px; }
.story-site #main { position: relative; min-height: 0; min-width: 0; overflow: hidden; touch-action: pan-y pinch-zoom; }
.story-site .story-section { width: 100%; height: 100%; min-height: 0; padding: 20px 0; overflow: hidden; flex-direction: column; justify-content: center; }
.story-site .story-section:not([hidden]) { animation: chapter-enter .24s ease-out; }
.story-site .story-inner { max-width: 1120px; padding-inline: 36px; gap: 40px; flex: 0 0 auto; }
.story-site .story-0 .story-inner { grid-template-columns: minmax(0,1.05fr) minmax(0,1fr); gap: 32px; }
.story-site .story-0 h1 { font-size: 44px; line-height: 1.08; margin-top: 18px; }
.story-site .story-0 h1 span { text-underline-offset: 9px; text-decoration-thickness: 3px; }
.story-site .story-0 .story-copy>p { font-size: 18px; margin-top: 16px; }
.story-site .hero-art-frame { position: relative; height: auto; aspect-ratio: 520/480; align-content: normal; }
.story-site .hero-art-frame>.story-visual { position: absolute; left: 0; top: 0; transform-origin: top left; }
.story-site .hero-promises { gap: 10px; margin-top: 18px; }
.story-site .hero-promises>div { padding: 10px 6px; gap: 8px; border-radius: 18px; }
.story-site .hero-promises>div>span:first-child { scale: .8; height: 44px; }
.story-site .hero-promises>div>span:last-child { font-size: 15px; }
.story-site .story-0 .story-copy>div:last-child { flex-wrap: wrap; gap: 18px; margin-top: 18px; }
.story-site .story-0 .story-copy>div:last-child>a { font-size: 14px; }
.story-site .story-0 .story-copy>div:last-child>a:first-child { padding: 13px 22px; }
.story-site .story-section h2 { font-size: 34px; line-height: 1.12; }
.story-site .story-copy>p, .story-site .story-visual>p { font-size: 15px; line-height: 1.5; }
.story-site .how-heading { gap: 20px 40px; }
.story-site .how-heading>div { flex-basis: 380px; }
.story-site .how-heading>p { font-size: 15px; }
.story-site .feature-cards { margin-top: 24px; gap: 18px; }
.story-site .feature-cards>div { padding: 12px; gap: 14px; }
.story-site .feature-cards>div>div:first-child { height: 142px; }
.story-site .feature-cards h3 { font-size: 20px; }
.story-site .feature-cards p { font-size: 14px; }
.story-site .story-2 .story-inner { grid-template-columns: minmax(0,.72fr) minmax(0,1.35fr); gap: 32px; }
.story-site .sample-card-heading { padding: 14px 18px; gap: 5px 12px; }
.story-site .sample-card-heading>span { font-size: 12px; }
.story-site .sample-card-heading>span:first-child { font-size: 16px; }
.story-site .sample-card-heading>span:last-child { padding: 4px 10px; }
.story-site .sample-card-body { padding: 18px; gap: 16px; }
.story-site .sample-card-body>div>p:first-child { font-size: 21px; line-height: 1.3; }
.story-site .sample-card-body>div:last-child>div:first-child { padding: 12px 14px; }
.story-site .sample-card-body>div:last-child>div:first-child>div:first-child { margin-bottom: 6px; }
.story-site .sample-card-body>div:last-child>div:last-child { font-size: 14px; margin-top: 8px; }
.story-site .sample-answer { margin-top: 14px; }
.story-site .sample-answer input { min-height: 46px; }
.story-site .sample-answer button { padding: 10px 20px; font-size: 14px; }
.story-site .sample-feedback { font-size: 14px; min-height: 0; margin-top: 8px; }
.story-site .sample-feedback:empty { display: none; }
.story-site .story-3 .story-inner, .story-site .story-4 .story-inner { gap: 44px; }
.story-site .story-5 .story-inner { gap: 52px; }
.story-site .join-card { padding: 22px 26px; max-width: 380px; }
.story-site .join-card>div[aria-hidden] { height: 88px; scale: .75; transform-origin: center bottom; margin-top: -24px; }
.story-site .join-card>div:not([aria-hidden]) { font-size: 25px; }
.story-site .join-card>p { font-size: 14px; }
.story-site .waitlist { margin-top: 14px; }
.story-site .waitlist :is(input,button) { height: 46px; }
.story-site .join-card #invitation-note { font-size: 12px; margin-top: 10px; }
.story-site .join-card .invitation-privacy { font-size: 11px; }
.story-site .story-5 .story-copy>div:nth-of-type(2) { gap: 12px 30px; margin-top: 22px; }
.story-site .story-5 .story-copy>div:nth-of-type(2)>span { font-size: 28px; }
.story-site .site-footer { width: 100%; padding: 16px 0 0; margin-top: 20px; border: 0; color: #cfe0d8; font-size: 11px; }
.story-site .site-footer .shell { max-width: 1120px; padding-inline: 36px; }
.story-site .site-footer nav { gap: 20px; }
.story-site .chapter-nav { position: relative; inset: auto; height: auto; min-height: 0; width: 100%; padding: 8px max(32px,calc((100vw - 1120px)/2)); gap: 24px; }
.story-site .chapter-arrow { flex: 0 0 40px; }
.story-site .chapter-arrow[aria-disabled="true"] { opacity: .4; cursor: default; }
#chapter-select { display: none; }
#chapter-select:focus-visible { outline: 3px solid #a4442c; outline-offset: 3px; }
@keyframes chapter-enter { from { opacity: .5; translate: 16px 0; } to { opacity: 1; translate: 0 0; } }
@media(min-width:1200px) { .story-site .sample-card-body { grid-template-columns: minmax(0,1fr) 170px; } }
@media(min-width:901px) and (max-height:760px) {
 .story-site { grid-template-rows: 62px minmax(0,1fr) 58px; }
 .story-site .story-inner { max-width: 1020px; gap: 32px; }
 .story-site .story-0 h1 { font-size: 38px; }
 .story-site .story-section h2 { font-size: 30px; }
 .story-site .story-copy>p { font-size: 14px; }
 .story-site .feature-cards>div>div:first-child { height: 116px; }
 .story-site .sample-card-heading>span:nth-child(3) { display: none; }
 .story-site .sample-card-body { grid-template-columns: minmax(0,1fr) 145px; padding: 14px; gap: 12px; }
 .story-site .sample-card-body>div>p:first-child { font-size: 18px; }
 .story-site .sample-card-body>div:last-child>div:last-child { display: none; }
 .story-site .sample-card-body>div:last-child>div:first-child { padding: 10px; }
 .story-site .sample-card-body>div:last-child>div:first-child>div:first-child>span[aria-hidden] { display: none; }
 .story-site .sample-feedback { font-size: 12px; }
 .story-site .sample-answer>div { gap: 8px; }
 .story-site .sample-answer input { width: 68px; }
 .story-site .sample-answer button { padding: 10px 14px; }
 .story-site .join-card>div[aria-hidden] { display: none; }
 .story-site .site-footer { margin-top: 12px; padding-top: 8px; }
}
/* Small displays retain readable text by advancing through the content within
   a chapter horizontally, instead of shrinking an entire desktop artboard. */
@media(max-width:900px), (max-height:520px) {
 .story-site { grid-template-rows: 64px minmax(0,1fr) 64px; }
 .story-site .masthead .shell { padding-inline: 12px; gap: 8px; }
 .story-site .masthead nav { display: none; }
 .story-site .brand { font-size: 26px; }
 .story-site .brand img { width: 20px; height: 33px; }
 .story-site .header-actions { gap: 10px; font-size: 12px; white-space: nowrap; }
 .story-site .header-actions .pill { padding: 9px 13px; font-size: 11px; }
 .story-site .story-section { padding: 18px 0; }
 .story-site .story-inner,.story-site .story-0 .story-inner,.story-site .story-2 .story-inner { max-width: 500px; padding-inline: 22px; grid-template-columns: minmax(0,1fr); gap: 20px; }
 .story-site .story-section h2 { font-size: 30px; }
 .story-site .story-copy>p { font-size: 15px; }
 .story-site .story-0 h1 { font-size: 34px; margin-top: 14px; }
 .story-site .story-0 .story-copy>p { font-size: 16px; margin-top: 12px; }
 .story-site .story-0 .story-copy>div:nth-of-type(2) { margin-top: 14px; }
 .story-site .hero-promises { margin-top: 14px; gap: 8px; }
 .story-site .hero-promises>div { gap: 2px; padding: 8px 4px; border-radius: 14px; }
 .story-site .hero-promises>div>span:first-child { scale: .65; height: 40px; }
 .story-site .hero-promises>div>span:last-child { font-size: 13px; }
 .story-site .story-0 .story-copy>div:last-child { gap: 12px; margin-top: 14px; }
 .story-site .story-0 .story-copy>div:last-child>a { font-size: 12px; }
 .story-site .story-0 .story-copy>div:last-child>a:first-child { padding: 12px 16px; }
 .story-site .hero-art-frame { width: min(270px,65%); justify-self: center; }
 .story-site .how-heading { gap: 12px; }
 .story-site .how-heading h2 { margin-top: 10px; }
 .story-site .how-heading>p { font-size: 14px; line-height: 1.5; }
 .story-site .feature-cards { margin-top: 18px; grid-template-columns: 1fr; }
 .story-site .feature-cards>div { gap: 10px; }
 .story-site .feature-cards>div>div:first-child { height: 115px; }
 .story-site .feature-cards h3 { font-size: 22px; }
 .story-site .feature-cards p { font-size: 14px; }
 .story-site .story-2 .story-copy { padding-block: 20px; }
 .story-site .sample-card-heading { padding: 12px 14px; }
 .story-site .sample-card-heading>span:first-child,.story-site .sample-card-heading>span:nth-child(3) { display: none; }
 .story-site .sample-card-body { padding: 14px; gap: 12px; }
 .story-site .sample-card-body>div>p:first-child { font-size: 20px; }
 .story-site .sample-card-body>div:last-child>div:last-child { display: none; }
 .story-site .sample-card-body>div:last-child>div:first-child>div:first-child>span[aria-hidden] { display: none; }
 .story-site .sample-card-body>div:first-child>div[aria-hidden]>div { height: 34px; border-radius: 9px; }
 .story-site .sample-card-body>div:first-child>div[aria-hidden] { margin-top: 12px; }
 .story-site .sample-card-body>div:first-child>div:not([aria-hidden]) { font-size: 11px; }
 .story-site .sample-answer input { width: 74px; min-height: 42px; }
 .story-site .sample-answer>label { font-size: 12px; }
 .story-site .sample-answer>div { gap: 8px; }
 .story-site .sample-answer>div>span { font-size: 14px; }
 .story-site .sample-answer button { font-size: 13px; padding: 10px 16px; }
 .story-site .sample-feedback { font-size: 13px; line-height: 1.4; }
 .story-site .sample-card-body>div:last-child>div:first-child { padding: 10px 12px; }
 .story-site .sample-hint-button { padding: 6px 12px; min-height: 36px; }
 .story-site .story-3 .story-copy { display: none; }
 .story-site .story-3 .story-visual { grid-row: auto; }
 .story-site .story-3 .story-visual>div:last-child { margin-top: 18px; }
 .story-site .story-3 .story-visual>p { font-size: 14px; }
 .story-site .story-4 .story-copy>div:nth-of-type(2) { margin-top: 20px; }
 .story-site .parent-preview { padding: 20px 16px; }
 .story-site .parent-preview .wire-art-236,.story-site .parent-preview .wire-art-240 { display: none; }
 .story-site .parent-preview .wire-art-237 { grid-template-columns: minmax(0,1fr) auto; gap: 8px; padding: 9px 0; }
 .story-site .parent-preview .wire-art-238 { font-size: 16px; }
 .story-site .parent-preview .wire-art-239 { font-size: 12px; }
 .story-site .parent-preview .wire-art-237>span:last-child { padding: 4px 8px; font-size: 10px; white-space: nowrap; }
 .story-site .parent-preview .wire-art-251 { padding-top: 10px; font-size: 11px; }
 .story-site .story-5 .join-card { max-width: 400px; padding: 20px; justify-self: center; }
 .story-site .join-card>div[aria-hidden] { display: none; }
 .story-site .join-card>div:not([aria-hidden]) { margin-top: 0; }
 .story-site .join-card>p { font-size: 14px; }
 .story-site .waitlist-status[data-state="ok"] { padding: 10px; }
 .story-site .story-5 .site-footer { margin-top: 12px; padding-top: 6px; }
 .story-site .site-footer .shell { justify-content: center; gap: 6px; padding-inline: 20px; text-align: center; }
 .story-site .site-footer nav { justify-content: center; gap: 16px; }
 .story-site .chapter-nav { gap: 12px; padding: 8px 16px; }
 .story-site .chapter-track { display: none; }
 .story-site .chapter-arrow { display: grid; flex: 0 0 40px; height: 40px; }
 #chapter-select { display: block; flex: 1; min-width: 0; max-width: 260px; height: 40px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--ink); font: 800 13px var(--body); }
 .story-site .chapter-count { display: none; }
}
@media(max-width:900px) and (max-height:740px) {
 .story-site .hero-art-frame { display: none; }
 .story-site .feature-cards>div>div:first-child { height: 85px; }
 .story-site .feature-cards>div>div:first-child>span { scale: .8; }
 .story-site .story-0 h1 { font-size: 32px; }
 .story-site .story-2 .sample-card-body>div>p:first-child { font-size: 18px; }
 .story-site .sample-card-heading>span:last-child { display: none; }
 .story-site .sample-answer { margin-top: 10px; }
}
@media(max-width:900px) and (max-height:620px), (max-height:520px) {
 .story-site { grid-template-rows: 56px minmax(0,1fr) 56px; }
 .story-site .story-section { padding: 10px 0; }
 .story-site .story-section h2 { font-size: 26px; }
 .story-site .story-copy>p { font-size: 14px; }
 .story-site .story-3 h2 { margin-top: 10px; }
 .story-site .story-3 .story-visual>p { font-size: 13px; margin-top: 10px; }
 .story-site .feature-cards>div>div:first-child { display: none; }
 .story-site .story-3 .story-visual>div:last-child { margin-top: 12px; gap: 8px; }
 .story-site .story-3 .story-visual>div:last-child>div { padding: 8px; gap: 8px; font-size: 13px; }
 .story-site .story-3 .wire-art-201 { width: 32px; scale: .8; }
 .story-site .parent-preview { padding: 14px; }
 .story-site .parent-preview .demo-caption { margin-bottom: 8px; font-size: 10px; }
 .story-site .parent-preview .wire-art-232 { padding-bottom: 8px; }
 .story-site .parent-preview .wire-art-237 { padding: 7px 0; }
 .story-site .sample-card-body { padding: 10px 12px; gap: 8px; }
 .story-site .sample-card-body>div>p:first-child { font-size: 17px; }
 .story-site .sample-card-heading { padding: 8px 12px; }
 .story-site .sample-card-body>div:first-child>div[aria-hidden] { display: none; }
 .story-site .sample-card-body>div:first-child>div:not([aria-hidden]) { display: none; }
 .story-site .sample-card-body>div:last-child>div:first-child>div:first-child { display: none; }
 .story-site .sample-card-body #sample-hint { font-size: 13px; margin-bottom: 6px; }
 .story-site .story-5 .join-card { padding: 14px 18px; }
 .story-site .story-5 .join-card>p { font-size: 12px; }
 .story-site .story-5 .story-copy>div:nth-of-type(2) { gap: 8px 24px; margin-top: 16px; }
 .story-site .story-5 .story-copy>div:nth-of-type(2)>span { font-size: 24px; }
 .story-site .story-5 .wire-art-262 { margin-top: 16px; }
 .story-site .story-5 .wire-art-263 { margin-top: 12px; font-size: 12px; }
 .story-site .waitlist { margin-top: 10px; gap: 8px; }
 .story-site .waitlist :is(input,button) { height: 42px; }
 .story-site .site-footer { font-size: 10px; }
}
/* Landscape phones use the chapter parts too, with wide, shallow panels. */
@media(max-height:520px) and (min-width:560px) {
 .story-site { grid-template-rows: 48px minmax(0,1fr) 48px; }
 .story-site .brand { font-size: 24px; }
 .story-site .brand img { height: 28px; }
 .story-site .chapter-nav { padding-block: 4px; justify-content: center; }
 .story-site .story-inner,.story-site .story-0 .story-inner,.story-site .story-2 .story-inner { max-width: 800px; gap: 12px; }
 .story-site .story-section h2 { font-size: 24px; margin-top: 8px; }
 .story-site .story-copy>p { font-size: 14px; margin-top: 10px; }
 .story-site .hero-art-frame { display: none; }
 .story-site .story-0 .story-copy { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); gap: 8px 20px; }
 .story-site .story-0 .story-copy>div:first-child { justify-self: start; grid-column: 1 / -1; }
 .story-site .story-0 h1 { grid-column: 1; margin: 0; font-size: 28px; }
 .story-site .story-0 .story-copy>p { grid-column: 1; margin: 0; font-size: 14px; }
 .story-site .story-0 .story-copy>div:nth-of-type(2) { display: none; }
 .story-site .hero-promises { grid-column: 2; grid-row: 2 / span 2; margin: 0; }
 .story-site .story-0 .story-copy>div:last-child { grid-column: 1 / -1; margin-top: 6px; }
 .story-site .story-1 .how-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: center; }
 .story-site .story-1 .feature-cards { margin-top: 12px; }
 .story-site .feature-cards h3 { font-size: 20px; }
 .story-site .story-2 .story-copy { padding-block: 0; }
 .story-site .story-2 .story-copy>div[aria-hidden] { display: none; }
 .story-site .sample-card-body { grid-template-columns: minmax(0,1fr) minmax(0,.7fr); gap: 20px; }
 .story-site .story-3 .story-visual>div:last-child { flex-direction: row; }
 .story-site .story-3 .story-visual>div:last-child>div { flex: 1; }
 .story-site .story-3 .wire-art-201 { display: none; }
 .story-site .story-4 .story-copy>div[aria-hidden] { display: none; }
 .story-site .parent-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
 .story-site .parent-preview .demo-caption,.story-site .parent-preview .wire-art-232,.story-site .parent-preview .wire-art-251 { grid-column: 1 / -1; }
 .story-site .parent-preview .wire-art-232>span[aria-hidden] { display: none; }
 .story-site .parent-preview .wire-art-232 { padding-bottom: 4px; }
 .story-site .parent-preview .wire-art-232>div { display: flex; align-items: baseline; gap: 16px; }
 .story-site .story-5 .story-copy>.wire-art-253 { display: none; }
 .story-site .story-5 .story-copy>.wire-art-263 { margin-top: 8px; }
 .story-site .story-5 .join-card { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px; max-width: none; padding: 14px 20px; }
 .story-site .join-card>.wire-art-277 { grid-column: 1; grid-row: 1; font-size: 24px; }
 .story-site .join-card>.wire-art-278 { grid-column: 1; grid-row: 2; margin: 0; }
 .story-site .join-card>.waitlist { grid-column: 2; grid-row: 1 / span 2; margin: 0; }
 .story-site .join-card>.waitlist-status { grid-column: 2; grid-row: 3; font-size: 12px; margin: 0; }
 .story-site .join-card>#invitation-note { grid-column: 1; grid-row: 3; margin: 0; }
 .story-site .join-card>a { grid-column: 1; grid-row: 4; font-size: 12px; margin: 0; }
 .story-site .join-card>.invitation-privacy { grid-column: 2; grid-row: 4; font-size: 10px; margin: 0; }
 .story-site .story-5 .site-footer { margin-top: 8px; }
 .story-site .site-footer .shell { gap: 4px 20px; }
}
@media(prefers-reduced-motion:reduce) { .story-site .story-section:not([hidden]) { animation: none; } }