@font-face { font-family: Fredoka; src: url('assets/Fredoka-latin.woff2') format('woff2'); font-weight: 300 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Nunito Sans'; src: url('assets/NunitoSans-latin.woff2') format('woff2'); font-weight: 200 900; font-style: normal; font-display: swap; }

:root {
  --paper: #fbfaf6; --white: #fff; --ink: #183e56; --body: #293f4c; --muted: #536671;
  --yellow: #ffcf3f; --yellow-soft: #fff0ae; --sea: #a9dfe6; --sea-soft: #e3f2f3;
  --mint: #d9e8da; --navy: #183e56; --navy-light: #dcecf0; --focus: #1d637e;
  --radius-panel: 32px; --radius-media: 12px; --radius-ui: 16px; --radius-pill: 999px;
  --preview-padding: 20px; --gutter: clamp(22px, 3.3vw, 56px); --section-gap: 144px;
  --display: clamp(52px, 4.8vw, 74px); --h2: clamp(38px, 4.1vw, 62px);
  --h3: clamp(24px, 2.2vw, 32px); --text: 18px; --small: 15px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--body); font-family: 'Nunito Sans', sans-serif; font-size: var(--text); line-height: 1.55; -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { border: 0; color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
p, h1, h2, h3, figure { margin: 0; }
h1, h2, h3 { color: var(--ink); font-family: Fredoka, sans-serif; font-weight: 500; line-height: 1.05; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: var(--display); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }
p { text-wrap: pretty; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 6px; }
::selection { background: var(--yellow); color: var(--ink); }
.wrap { width: 100%; max-width: 1600px; margin-inline: auto; padding-inline: var(--gutter); }
.section-space { margin-top: var(--section-gap); }
.nowrap { white-space: nowrap; }
.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; z-index: 100; left: 20px; top: -100px; background: var(--ink); color: var(--white); padding: 12px 20px; }
.skip-link:focus { top: 12px; }

/* One frame and one radius system. Product screens always retain their full aspect ratio. */
.site-header { height: 96px; display: flex; align-items: center; gap: 32px; position: relative; z-index: 5; }
.brand { margin-right: auto; flex: none; }
.brand img { width: 140px; height: auto; }
.desktop-nav { display: flex; gap: 32px; font-size: var(--small); font-weight: 700; }
.desktop-nav a { min-height: 44px; display: inline-flex; align-items: center; }
.desktop-nav a, .text-link, .site-footer nav a { transition: color .18s; }
.desktop-nav a:hover, .text-link:hover, .site-footer nav a:hover { color: var(--focus); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 32px; min-height: 56px; padding: 14px 26px; background: var(--yellow); border-radius: var(--radius-pill); font-size: 16px; font-weight: 800; color: var(--ink); transition: transform .2s var(--ease), background .18s; }
.button:hover { background: var(--yellow-soft); transform: translateY(-2px); }
.button:active { transform: scale(.98); }
.menu-toggle, .mobile-menu { display: none; }
.menu-toggle { background: transparent; }
.mobile-menu[hidden] { display: none; }
.text-link { font-size: 16px; font-weight: 800; text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1.5px; }
.hero-actions .text-link { min-height: 44px; display: inline-flex; align-items: center; }

.hero { display: grid; grid-template-columns: .94fr 1.25fr; gap: 40px; align-items: center; padding-top: 48px; min-height: 650px; }
.hero-copy { min-width: 0; padding-bottom: 20px; }
.hero h1 { max-width: 17ch; }
.hero-description { font-size: 20px; max-width: 43ch; margin-top: 32px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 32px; }
.hero-note { margin-top: 40px; font-size: var(--small); font-weight: 700; }
.hero-stage { min-width: 0; align-self: center; }
.image-button { display: block; position: relative; width: 100%; padding: var(--preview-padding); text-align: left; background: var(--sea-soft); border-radius: var(--radius-panel); transition: transform .25s var(--ease); }
.image-button img { width: 100%; height: auto; aspect-ratio: 1366 / 1024; object-fit: contain; object-position: center; border-radius: var(--radius-media); }
.image-button:hover { transform: translateY(-3px); }
.image-button:active { transform: scale(.99); }
.expand-control { display: flex; align-items: center; justify-content: flex-end; gap: 10px; min-height: 32px; margin-top: 12px; color: var(--ink); font-size: 14px; font-weight: 700; line-height: 1.4; }
.expand-control > span:last-child { font-size: 24px; line-height: 1; }
.hero-image { background: var(--sea); }
.hero-image img { aspect-ratio: 1366 / 946; }
.media-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 12px; min-height: 32px; }
.media-meta .expand-control { flex: none; width: 32px; min-height: 32px; margin: 0; justify-content: center; font-size: 24px; }
.world-note { font-size: 14px; font-weight: 700; line-height: 1.45; }

.intro { padding-top: 104px; text-align: center; max-width: 1000px; }
.intro-statement { font-size: 27px; line-height: 1.5; margin: 28px auto 0; max-width: 790px; }
.spark-mention { display: inline-flex; align-items: center; gap: 8px; vertical-align: middle; white-space: nowrap; }
.intro-statement .spark-mention img { display: block; flex: none; width: 64px; height: 64px; object-fit: contain; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 50px; margin-bottom: 52px; }
.section-heading h2 { max-width: 19ch; }
.section-heading > p { max-width: 43ch; justify-self: end; }
.journey-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: start; }
.journey-item { min-width: 0; }
.learn-picture { background: var(--sea-soft); }
.write-picture { background: var(--yellow-soft); }
.play-picture { background: var(--mint); }
.journey-item h3 { margin: 24px 0 12px; }
.journey-item > p { font-size: 17px; max-width: none; white-space: normal; text-wrap: wrap; }

.guidance { padding: 88px 0; background: var(--sea-soft); }
.guidance-board { display: grid; grid-template-columns: 1fr 1fr; gap: 56px 64px; align-items: start; }
.guidance-intro { min-width: 0; }
.guidance-intro h2 { max-width: 18ch; }
.guidance-intro > p { max-width: 38ch; margin-top: 28px; }
.guidance-spark { width: 240px; height: 220px; object-fit: contain; object-position: left center; margin-top: 28px; }
.word-demo { padding: 34px 36px 28px; background: var(--white); border-radius: var(--radius-panel); align-self: center; min-width: 0; }
.demo-instruction { font-weight: 700; font-size: var(--small); color: var(--muted); }
.word-query { background: var(--sea-soft); border-radius: var(--radius-media); padding: 16px 20px; margin-top: 16px; }
.word-query > span { display: block; font-size: 14px; color: var(--muted); }
.word-query q { display: block; margin-top: 6px; font: 500 24px / 1.3 Fredoka, sans-serif; color: var(--ink); }
.word-options { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.word-options button { background: var(--sea-soft); border-radius: var(--radius-ui); min-height: 48px; padding: 10px 18px; font-size: 16px; font-weight: 700; transition: background .18s, transform .18s; }
.word-options button:hover { transform: translateY(-2px); }
.word-options button:active { transform: scale(.97); }
.word-options button[aria-pressed=true] { background: var(--yellow); }
.word-match { display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--yellow-soft); border-radius: var(--radius-ui); padding: 22px 24px; margin-top: 22px; min-height: 172px; }
.word-label { font-size: var(--small); color: var(--muted); margin-bottom: 10px; }
.word-name { font-family: Fredoka, sans-serif; font-size: 40px; line-height: 1.05; color: var(--ink); }
.word-match img { width: 130px; height: 130px; object-fit: contain; }
.demo-caption { font-size: var(--small); color: var(--muted); margin-top: 16px; }
.feedback-feature { grid-column: 1 / -1; display: grid; grid-template-columns: 1.25fr .9fr; gap: 64px; align-items: center; }
.feedback-image { background: var(--white); }
.feedback-copy h3 { max-width: 21ch; line-height: 1.12; }
.feedback-copy p { max-width: 34ch; margin-top: 24px; }

.islands { padding: 82px 0 76px; background: var(--sea); }
.islands .section-heading { align-items: start; }
.islands .section-heading > p { max-width: 44ch; }
.island-atlas { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.island-stop { min-width: 0; }
.island-stop > img { width: 100%; height: auto; aspect-ratio: 10 / 7; object-fit: contain; margin-bottom: 26px; }
.island-stop h3 { font-size: clamp(24px, 2.1vw, 31px); }
.island-stop p { font-size: 17px; max-width: 25ch; margin-top: 14px; }
.island-continuation { font-size: 20px; font-weight: 700; max-width: 54ch; margin-top: 48px; }
.book-showcase { display: grid; grid-template-columns: .85fr 1.35fr; align-items: center; gap: 60px; }
.book-index { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.book-choice { text-align: left; background: transparent; color: var(--muted); font-family: Fredoka, sans-serif; font-size: clamp(24px, 2.65vw, 40px); line-height: 1.2; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px; border-radius: var(--radius-ui); transition: background .2s, color .2s, transform .25s var(--ease); }
.book-choice > span:last-child { font-size: 28px; visibility: hidden; }
.book-choice[aria-pressed=true] { background: var(--yellow-soft); color: var(--ink); }
.book-choice[aria-pressed=true] > span:last-child { visibility: visible; }
.book-choice:hover { color: var(--ink); transform: translateX(3px); }
.book-choice:active { transform: scale(.99); }
.book-index > p { margin: 24px 18px 0; max-width: 34ch; min-height: calc(1.55em * 4); }
.book-stage { background: var(--sea); }

.friends { background: var(--sea); padding: 84px 0 80px; }
.friends-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
.friends-heading h2 { max-width: 19ch; }
.friends-heading p { max-width: 42ch; justify-self: end; }
.cast { display: grid; grid-template-columns: .85fr 1.4fr; align-items: end; gap: 55px; margin-top: 50px; }
.cast figure { text-align: center; }
.cast h3 { font-size: 28px; }
.cast p { font-size: var(--small); margin-top: 8px; }
.cast-spark > img { width: 100%; height: 295px; object-fit: contain; margin-bottom: 20px; }
.supporting-cast { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: end; }
.supporting-cast img { width: 100%; height: 160px; object-fit: contain; margin-bottom: 20px; }

.research-panel { background: var(--navy); color: var(--navy-light); border-radius: var(--radius-panel); padding: 64px; }
.research-heading { display: block; margin-bottom: 48px; }
.research-heading h2 { color: var(--paper); }
.research-heading > p { max-width: 58ch; margin-top: 18px; font-size: 20px; }
.research-context { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; }
.research-stat { min-width: 0; }
.research-stat h3 { font: 700 16px / 1.5 'Nunito Sans', sans-serif; color: var(--navy-light); letter-spacing: normal; }
.research-number { color: var(--yellow); font: 500 clamp(58px, 5.6vw, 80px) / 1 Fredoka, sans-serif; letter-spacing: -.035em; margin: 20px 0 16px; font-variant-numeric: tabular-nums; }
.research-stat > p:not(.research-number) { font-size: 20px; line-height: 1.45; max-width: 32ch; }
.research-source { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: 18px; color: var(--navy-light); font-size: 14px; line-height: 1.5; text-decoration: underline; text-underline-offset: 4px; }
.research-source:hover { color: var(--yellow); }
.research-source:focus-visible { outline-color: var(--yellow); }
.research-interviews { margin-top: 48px; }
.research-interviews h3 { font-size: 28px; color: var(--paper); }
.research-interview-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; margin-top: 24px; }
.research-interview-grid .research-number { font-size: 56px; margin: 0 0 12px; }
.research-interview-grid .research-stat > p:not(.research-number) { font-size: 18px; max-width: 24ch; }
.research-notes { display: grid; gap: 8px; font-size: 14px; line-height: 1.6; max-width: 100%; margin-top: 36px; }
.research-sample { font-weight: 700; }

.questions { display: grid; grid-template-columns: .7fr 1fr; gap: 80px; align-items: start; }
.questions-intro h2 { max-width: none; }
.questions-intro > p { max-width: 28ch; margin-top: 28px; }
.questions-intro > img { width: 210px; height: 230px; object-fit: contain; margin-top: 30px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-list details { background: var(--sea-soft); border-radius: var(--radius-ui); padding: 0 25px; transition: background .2s; }
.faq-list details[open] { background: var(--yellow-soft); }
.faq-list summary { list-style: none; cursor: pointer; padding: 23px 34px 23px 0; font-size: 18px; font-weight: 800; color: var(--ink); position: relative; min-height: 74px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:after { content: '+'; font-size: 27px; line-height: 1; position: absolute; right: 0; top: 23px; font-weight: 400; }
.faq-list details[open] summary:after { content: '−'; }
.faq-list details p { padding: 0 14px 25px 0; font-size: 17px; max-width: 54ch; }
.faq-list summary:hover { color: var(--focus); }
.closing-panel { background: var(--mint); border-radius: var(--radius-panel); padding: 64px; display: grid; grid-template-columns: 1.4fr .7fr; align-items: center; gap: 40px; }
.closing h2 { font-size: clamp(46px, 5.2vw, 74px); max-width: 18ch; }
.closing p { margin-top: 28px; max-width: 36ch; }
.closing .button { margin-top: 28px; }
.closing img { width: 100%; height: 310px; object-fit: contain; }
.site-footer { padding-top: 80px; padding-bottom: 32px; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; }
.footer-top > p { font-size: 20px; font-weight: 700; }
.footer-top nav { display: flex; gap: 28px; font-size: var(--small); align-items: center; }
.footer-top nav a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 13px; padding-top: 32px; margin-top: 16px; }

dialog { border: 0; padding: 24px; border-radius: var(--radius-panel); background: var(--paper); color: var(--ink); max-width: min(1120px, 94vw); max-height: 94svh; overflow: auto; margin: auto; }
dialog::backdrop { background: rgba(13, 36, 50, .8); }
.dialog-top { display: flex; align-items: center; justify-content: space-between; gap: 26px; margin-bottom: 18px; font-weight: 800; font-size: 18px; }
.dialog-top button { background: var(--yellow); padding: 10px 16px; border-radius: var(--radius-pill); min-height: 46px; font-size: 16px; display: flex; align-items: center; gap: 18px; }
.dialog-top button span { font-size: 24px; }
#dialog-image { width: auto; max-width: 100%; max-height: 73svh; height: auto; object-fit: contain; margin: auto; border-radius: var(--radius-media); }
.dialog-note { font-size: 13px; margin-top: 14px; color: var(--muted); }

@media (prefers-reduced-motion: no-preference) {
  /* Small, unhurried movements stay within the companion introduction. */
  [data-companion-motion] > img { transform-origin: 50% 78%; }
  [data-companion-loop] > img { animation: spark-drift 7.2s -1.2s cubic-bezier(.45, 0, .55, 1) infinite; animation-play-state: paused; }
  [data-companion-motion="nori"] > img { animation-name: nori-sway; animation-duration: 6.8s; animation-delay: -1.4s; }
  [data-companion-motion="zig"] > img { animation-name: zig-nod; animation-duration: 8.2s; animation-delay: -2.6s; }
  [data-companion-motion="bloop"] > img { animation-name: bloop-bob; animation-duration: 5.8s; animation-delay: -.5s; }
  [data-companion-motion="kip"] > img { animation-name: kip-lean; animation-duration: 7.6s; animation-delay: -3.7s; }
  [data-companion-loop].is-loop-active > img { animation-play-state: running; }
}
@keyframes spark-drift {
  0%, 100% { transform: translateY(0) rotate(0); }
  25% { transform: translateY(-4px) rotate(-1.2deg); }
  50% { transform: translateY(-6px) rotate(.6deg); }
  75% { transform: translateY(-2px) rotate(1deg); }
}
@keyframes nori-sway {
  0%, 100% { transform: translateX(0) rotate(0); }
  25% { transform: translateX(-2px) rotate(-.8deg); }
  65% { transform: translateX(2px) rotate(.8deg); }
}
@keyframes bloop-bob {
  0%, 100% { transform: translateY(0) rotate(0); }
  35% { transform: translateY(-3px) rotate(-.7deg); }
  70% { transform: translateY(-.5px) rotate(.5deg); }
}
@keyframes zig-nod {
  0%, 100% { transform: translateY(0) rotate(0); }
  35%, 50% { transform: translateY(1.5px) rotate(1.2deg); }
  80% { transform: translateY(0) rotate(-.4deg); }
}
@keyframes kip-lean {
  0%, 100% { transform: translateY(0) rotate(0); }
  30% { transform: translateY(-1px) rotate(1.6deg); }
  70% { transform: translateY(0) rotate(-1.2deg); }
}

@media (max-width: 1100px) {
  :root { --display: clamp(48px, 5.2vw, 60px); --h2: clamp(36px, 4.5vw, 50px); --section-gap: 112px; --preview-padding: 16px; }
  .site-header { height: 92px; gap: 20px; }
  .desktop-nav { gap: 20px; }
  .brand img { width: 120px; }
  .hero { grid-template-columns: 1fr 1.1fr; gap: 28px; min-height: 600px; padding-top: 36px; }
  .hero-description { font-size: 18px; }
  .hero-note { margin-top: 32px; }
  .hero-actions { gap: 20px; }
  .world-note { font-size: 13px; }
  .guidance-board, .feedback-feature { gap: 40px; }
  .word-demo { padding: 28px; }
  .word-options { gap: 8px; }
  .word-options button { padding-inline: 13px; }
  .word-name { font-size: 34px; }
  .word-match { padding: 20px; }
  .word-match img { width: 100px; height: 110px; }
  .island-atlas { gap: 22px; }
  .island-stop h3 { font-size: 25px; }
  .island-stop p { font-size: 16px; }
  .island-continuation { font-size: 18px; }
  .book-showcase { gap: 32px; }
  .book-choice { padding: 16px 12px; }
  .book-index > p { margin-left: 12px; }
  .cast { gap: 24px; }
  .supporting-cast { gap: 12px; }
  .supporting-cast img { height: 135px; }
  .supporting-cast h3 { font-size: 24px; }
  .cast p { font-size: 14px; }
  .research-panel { padding: 44px; }
  .research-heading { margin-bottom: 40px; }
  .research-context { gap: 44px; }
  .research-interview-grid { gap: 32px; }
  .research-stat > p:not(.research-number) { font-size: 18px; }
  .questions { gap: 48px; }
  .closing-panel { padding: 48px; }
  .footer-top nav { gap: 20px; }
  .footer-top > p { font-size: 18px; }
}

@media (max-width: 900px) {
  :root { --display: clamp(48px, 7.2vw, 64px); --h2: clamp(36px, 4.9vw, 44px); }
  .desktop-nav { display: none; }
  .site-header { height: 88px; }
  .menu-toggle { display: flex; flex-direction: column; gap: 7px; width: 44px; min-height: 44px; justify-content: center; align-items: center; padding: 8px; z-index: 2; }
  .menu-toggle span { width: 23px; height: 2px; background: var(--ink); border-radius: var(--radius-pill); transition: transform .2s; }
  .menu-toggle[aria-expanded=true] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded=true] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .mobile-menu:not([hidden]) { position: absolute; left: var(--gutter); right: var(--gutter); top: 78px; background: var(--ink); color: var(--paper); display: flex; flex-direction: column; border-radius: var(--radius-ui); padding: 18px; z-index: 10; }
  .mobile-menu a { padding: 14px; font-weight: 700; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 40px; min-height: 0; }
  .hero-copy { padding-bottom: 0; }
  .hero h1 { max-width: 22ch; }
  .hero-description { max-width: 62ch; margin-top: 28px; }
  .hero-note { display: none; }
  .hero-actions { margin-top: 28px; }
  .hero-image .world-note { font-size: 14px; }
  .intro { padding-top: 88px; }
  .intro-statement { font-size: 24px; max-width: 640px; }
  .section-heading { gap: 32px; margin-bottom: 40px; }
  .section-heading > p { font-size: 17px; }
  .journey-grid { grid-template-columns: 1fr; gap: 36px; }
  .journey-item { display: grid; grid-template-columns: 1.2fr 1fr; grid-template-rows: auto 1fr; gap: 0 28px; align-items: start; }
  .journey-picture { grid-column: 1; grid-row: 1 / span 2; }
  .journey-item h3, .journey-item > p { grid-column: 2; }
  .journey-item h3 { margin: 16px 0 12px; }
  .journey-item > p { font-size: 17px; }
  .guidance { padding: 64px 0; }
  .guidance-board { gap: 36px 28px; }
  .guidance-intro > p { font-size: 17px; }
  .guidance-spark { width: 210px; height: 190px; }
  .word-demo { padding: 26px 22px; }
  .word-options { gap: 6px; }
  .word-options button { padding-inline: 10px; min-height: 44px; }
  .word-match { padding: 18px; gap: 12px; min-height: 150px; }
  .word-match img { width: 80px; height: 90px; }
  .word-name { font-size: 30px; }
  .feedback-feature { grid-template-columns: 1fr; gap: 28px; }
  .feedback-copy p { max-width: 56ch; margin-top: 18px; }
  .islands { padding: 64px 0; }
  .island-atlas { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 36px; }
  .island-stop > img { margin-bottom: 20px; }
  .island-stop p { max-width: 28ch; }
  .island-continuation { margin-top: 40px; }
  .book-showcase { display: flex; flex-direction: column-reverse; gap: 28px; align-items: stretch; }
  .book-index { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .book-choice { font-size: 23px; padding: 16px; align-items: start; }
  .book-choice > span:last-child { font-size: 22px; }
  .book-index > p { grid-column: 1 / -1; margin: 8px 0 0; min-height: 56px; max-width: 58ch; font-size: 17px; }
  .friends { padding: 64px 0; }
  .friends-heading { gap: 32px; }
  .friends-heading p { font-size: 17px; }
  .cast { grid-template-columns: .8fr 1.5fr; gap: 24px; margin-top: 40px; }
  .cast-spark > img { height: 240px; }
  .supporting-cast { grid-template-columns: repeat(2, 1fr); gap: 24px 20px; }
  .supporting-cast img { height: 115px; margin-bottom: 10px; }
  .research-panel { padding: 36px; }
  .research-heading > p { max-width: 58ch; }
  .research-context { gap: 32px; }
  .research-interview-grid { gap: 24px; }
  .research-interview-grid .research-number { font-size: 48px; }
  .research-interview-grid .research-stat > p:not(.research-number) { font-size: 16px; }
  .questions { grid-template-columns: 1fr; gap: 32px; }
  .questions-intro > p { max-width: 44ch; margin-top: 24px; }
  .questions-intro > img { display: none; }
  .faq-list details { padding-inline: 24px; }
  .closing-panel { padding: 40px; gap: 28px; grid-template-columns: 1.2fr .7fr; }
  .closing h2 { font-size: 48px; }
  .closing img { height: 245px; }
  .closing p { font-size: 17px; }
  .footer-top { flex-direction: column; gap: 20px; }
  .footer-top nav { justify-content: space-between; }
}

@media (min-width: 601px) and (max-width: 700px) {
  .closing-panel { grid-template-columns: 1fr; gap: 24px; }
  .closing img { max-width: 240px; justify-self: end; }
}

@media (max-width: 600px) {
  :root { --radius-panel: 24px; --preview-padding: 12px; --gutter: 22px; --section-gap: 88px; --display: clamp(36px, 10.3vw, 52px); --h2: clamp(32px, 8.7vw, 42px); --h3: 28px; --text: 17px; }
  .site-header { height: 82px; gap: 12px; }
  .brand img { width: 118px; }
  .menu-toggle { margin-left: auto; }
  .hero { gap: 32px; padding-top: 28px; }
  .hero h1 { max-width: none; }
  .hero-description { font-size: 18px; margin-top: 28px; max-width: 36ch; }
  .hero-actions { gap: 24px; margin-top: 28px; }
  .button { padding-inline: 22px; gap: 24px; min-height: 54px; }
  .hero-image .world-note { font-size: 13px; }
  .media-meta { gap: 10px; margin-top: 10px; }
  .expand-control { margin-top: 10px; }
  .intro { padding-top: 80px; text-align: left; }
  .intro h2 { font-size: clamp(31px, 8vw, 42px); }
  .intro-statement { font-size: 23px; margin-top: 24px; }
  .intro-statement .spark-mention img { width: 52px; height: 52px; }
  .section-heading { display: block; margin-bottom: 32px; }
  .section-heading h2 { max-width: 21ch; }
  .section-heading > p { margin-top: 24px; max-width: 36ch; }
  .journey-grid { gap: 40px; }
  .journey-item { display: block; }
  .journey-item h3 { margin: 22px 0 12px; }
  .guidance { padding-block: 56px; }
  .guidance-board { grid-template-columns: 1fr; gap: 28px; }
  .guidance-intro > p { max-width: 34ch; margin-top: 24px; }
  .guidance-spark { width: 170px; height: 150px; margin-top: 24px; margin-left: auto; }
  .word-demo { padding: 28px 22px 24px; }
  .word-options { gap: 8px; }
  .word-options button { padding: 10px 14px; min-height: 46px; }
  .word-match { padding: 20px; min-height: 156px; }
  .word-name { font-size: 36px; }
  .word-match img { width: 100px; height: 115px; }
  .feedback-feature { gap: 28px; margin-top: 16px; }
  .feedback-copy h3 { font-size: 28px; }
  .feedback-copy p { font-size: 17px; max-width: 36ch; }
  .islands { padding-block: 56px; }
  .island-atlas { grid-template-columns: 1fr; gap: 36px; }
  .island-stop > img { max-width: 380px; margin: 0 auto 18px; }
  .island-stop h3 { font-size: 28px; }
  .island-stop p { font-size: 17px; max-width: 34ch; margin-top: 12px; }
  .island-continuation { font-size: 19px; margin-top: 36px; }
  .book-index { display: flex; flex-direction: column; gap: 8px; }
  .book-choice { font-size: 25px; padding: 18px; align-items: center; }
  .book-index > p { min-height: calc(1.55em * 4); margin: 18px 0 0; max-width: 36ch; }
  .friends { padding-block: 56px; }
  .friends-heading { display: block; }
  .friends-heading p { margin-top: 24px; max-width: 34ch; }
  .cast { grid-template-columns: 1fr; margin-top: 36px; gap: 36px; }
  .cast-spark > img { height: 235px; margin-bottom: 12px; }
  .cast-spark h3 { font-size: 32px; }
  .cast-spark p { font-size: 16px; }
  .supporting-cast { gap: 32px 24px; max-width: 420px; width: 100%; margin: auto; }
  .supporting-cast img { height: 128px; margin-bottom: 16px; }
  .supporting-cast h3 { font-size: 26px; }
  .supporting-cast p { font-size: 15px; }
  .research-panel { padding: 34px 26px; }
  .research-heading { margin-bottom: 36px; }
  .research-heading > p { font-size: 17px; margin-top: 20px; }
  .research-context { grid-template-columns: 1fr; gap: 36px; }
  .research-number { font-size: 68px; margin-top: 14px; }
  .research-stat h3 { font-size: 15px; }
  .research-source { margin-top: 12px; }
  .research-interviews { margin-top: 36px; }
  .research-interviews h3 { font-size: 27px; }
  .research-interview-grid { grid-template-columns: 1fr; gap: 26px; margin-top: 28px; }
  .research-interview-grid .research-stat { display: grid; grid-template-columns: 82px 1fr; gap: 18px; align-items: center; }
  .research-interview-grid .research-number { font-size: 45px; margin: 0; }
  .research-interview-grid .research-stat > p:not(.research-number) { font-size: 17px; }
  .research-notes { margin-top: 30px; }
  .questions-intro > p { margin-top: 22px; max-width: 34ch; }
  .faq-list details { padding-inline: 20px; }
  .faq-list summary { font-size: 17px; padding-block: 21px; min-height: 70px; }
  .faq-list summary:after { top: 21px; }
  .faq-list details p { font-size: 16px; line-height: 1.6; padding-bottom: 24px; }
  .closing-panel { display: block; padding: 36px 26px 28px; }
  .closing h2 { font-size: clamp(34px, 9.4vw, 46px); }
  .closing p { font-size: 17px; max-width: 29ch; margin-top: 24px; }
  .closing .button { margin-top: 26px; }
  .closing img { height: 205px; width: 230px; margin: 18px 0 0 auto; }
  .site-footer { padding-top: 64px; padding-bottom: 28px; }
  .footer-top > p { font-size: 18px; }
  .footer-top nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; font-size: 15px; }
  .footer-bottom { font-size: 13px; flex-wrap: wrap; gap: 8px 24px; padding-top: 24px; margin-top: 8px; }
  dialog { padding: 16px; max-width: 95vw; }
  .dialog-top { align-items: flex-start; gap: 20px; font-size: 17px; }
  .dialog-top > p { padding-top: 8px; }
  .dialog-top button { flex: none; font-size: 15px; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { animation: none !important; transition: none !important; transform: none !important; }
}