:root {
  color-scheme: light;
  --ink: #172123;
  --muted: #62706d;
  --paper: #f7f8f5;
  --white: #fff;
  --green: #b9df76;
  --green-dark: #486337;
  --green-soft: #e7f2dc;
  --orange: #f4a45e;
  --line: #dfe5dc;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.section-wrap { width: min(1160px, calc(100% - 56px)); margin-inline: auto; }
.skip-link { position: absolute; top: -60px; left: 18px; z-index: 30; padding: 10px 14px; border-radius: 10px; background: var(--ink); color: white; }
.skip-link:focus { top: 14px; }

.site-header { height: 78px; padding: 0 max(28px, calc((100vw - 1280px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid rgba(30, 48, 42, .07); }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 142px; height: auto; }
.main-nav, .header-actions { display: flex; align-items: center; gap: 28px; }
.main-nav { margin-left: auto; }
.main-nav a, .language-link { color: #52615d; font-size: 13px; font-weight: 650; text-decoration: none; transition: color .2s ease; }
.main-nav a:hover, .language-link:hover { color: var(--green-dark); }
.header-actions { gap: 18px; }
.language-link { min-width: 31px; text-align: center; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 999px; padding: 0 22px; text-decoration: none; font-size: 13px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(24, 39, 31, .12); }
.button-small { min-height: 40px; padding-inline: 17px; font-size: 12px; }
.button-dark { background: var(--ink); color: white; }
.button-primary { background: var(--green); color: #1a2818; box-shadow: 0 8px 20px rgba(125, 158, 76, .16); }

.hero { min-height: 652px; display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; gap: 20px; padding-top: 50px; padding-bottom: 50px; }
.hero-copy { max-width: 580px; padding: 26px 0; }
.eyebrow { margin: 0 0 17px; color: var(--green-dark); font-size: 10px; font-weight: 800; letter-spacing: .14em; line-height: 1.5; }
.eyebrow-dot { display: inline-block; width: 7px; height: 7px; margin: 0 8px 1px 0; border-radius: 50%; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 650px; margin-bottom: 22px; font-family: var(--serif); font-size: clamp(48px, 6vw, 76px); font-weight: 500; letter-spacing: -.055em; line-height: .99; }
h1 em { color: #6c8a4c; font-weight: 500; }
.hero-lede { max-width: 510px; margin-bottom: 26px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.availability { display: inline-flex; align-items: center; gap: 8px; color: #586763; font-size: 11px; font-weight: 650; }
.availability-dot { width: 7px; height: 7px; border-radius: 50%; background: #95b56b; box-shadow: 0 0 0 4px #e4ecd9; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 47px; padding-top: 20px; border-top: 1px solid var(--line); }
.hero-proof span { color: #64716d; font-size: 10px; font-weight: 650; }
.hero-proof b { margin-right: 7px; color: #91a875; font-size: 9px; letter-spacing: .05em; }

.hero-art { position: relative; min-height: 575px; display: flex; align-items: center; justify-content: center; isolation: isolate; }
.art-orbit { position: absolute; z-index: -1; border: 1px solid rgba(112, 141, 80, .13); border-radius: 50%; }
.orbit-one { width: 475px; height: 475px; }
.orbit-two { width: 390px; height: 390px; border-style: dashed; }
.phone-frame { position: relative; width: 272px; height: 534px; padding: 9px; border: 2px solid #263234; border-radius: 40px; background: #182123; box-shadow: 0 30px 70px rgba(30, 43, 36, .22), 0 3px 0 rgba(255,255,255,.3) inset; transform: rotate(2deg); }
.phone-island { position: absolute; z-index: 3; top: 15px; left: 50%; width: 76px; height: 20px; border-radius: 20px; background: #182123; transform: translateX(-50%); }
.phone-screen { position: relative; height: 100%; overflow: hidden; border-radius: 31px; background: #f8f9f5; padding: 24px 14px 0; }
.phone-topline { height: 21px; display: flex; justify-content: space-between; padding: 0 7px; font-size: 8px; font-weight: 800; }
.phone-status { letter-spacing: 2px; }
.phone-brand { display: flex; align-items: center; gap: 7px; margin: 13px 2px 14px; font-size: 11px; font-weight: 800; }
.phone-brand img { width: 25px; height: 25px; object-fit: contain; }
.streak { margin-left: auto; padding: 5px 7px; border-radius: 15px; background: #fff1d7; color: #9a632a; font-size: 9px; }
.daily-card { padding: 14px 14px 13px; border: 1px solid #d8e3ce; border-radius: 17px; background: #e9f2df; }
.daily-card-top { display: flex; justify-content: space-between; color: #6c8158; font-size: 7px; font-weight: 800; letter-spacing: .08em; }
.daily-card h2 { margin: 12px 0 12px; font-family: var(--serif); font-size: 20px; font-weight: 600; letter-spacing: -.04em; line-height: 1.05; }
.progress-line { height: 5px; overflow: hidden; border-radius: 5px; background: #d3dfc8; }
.progress-line i { display: block; width: 38%; height: 100%; border-radius: inherit; background: #85a45d; }
.daily-card small { display: block; margin-top: 7px; color: #6f7b68; font-size: 7px; }
.word-card { margin-top: 12px; padding: 14px; border: 1px solid #e4e7df; border-radius: 17px; background: white; box-shadow: 0 6px 18px rgba(31, 44, 37, .05); }
.word-card-label { display: flex; justify-content: space-between; color: #8c9992; font-size: 7px; font-weight: 800; letter-spacing: .1em; }
.word-card h3 { margin: 11px 0 0; font-family: var(--serif); font-size: 29px; font-weight: 600; letter-spacing: -.04em; }
.pronunciation { margin: 1px 0 12px; color: #89928e; font-size: 9px; }
.pronunciation span { margin-left: 5px; color: #789357; }
.meaning { display: flex; align-items: center; gap: 9px; font-size: 10px; }
.meaning span { padding: 3px 5px; border-radius: 5px; background: #f4f5ef; color: #89928e; font-size: 7px; font-weight: 800; }
.example { margin: 11px 0 4px; color: #35423c; font-family: var(--serif); font-size: 10px; font-style: italic; line-height: 1.45; }
.translation { margin: 0; color: #86908a; font-size: 8px; line-height: 1.4; }
.phone-tabs { position: absolute; right: 8px; bottom: 0; left: 8px; height: 51px; display: flex; justify-content: space-around; align-items: center; border-top: 1px solid #e5e8e2; background: #fbfcf9; color: #9ba49e; font-size: 13px; text-align: center; }
.phone-tabs span { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.phone-tabs small { font-size: 6px; }
.phone-tabs .selected { color: #54713c; }
.floating-note { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 11px 14px 11px 10px; border: 1px solid rgba(34, 50, 40, .08); border-radius: 14px; background: rgba(255, 255, 255, .94); box-shadow: 0 14px 38px rgba(35, 47, 40, .12); backdrop-filter: blur(10px); }
.floating-note b, .floating-note small { display: block; }
.floating-note b { font-size: 10px; }
.floating-note small { margin-top: 3px; color: #818d86; font-size: 8px; }
.note-icon { width: 31px; height: 31px; display: grid; place-items: center; border-radius: 10px; font-family: var(--serif); font-size: 13px; font-weight: 700; }
.note-green { background: var(--green-soft); color: #5e7643; }
.note-orange { background: #fff0df; color: #bd773a; }
.note-word { top: 119px; right: -5px; }
.note-review { bottom: 103px; left: -2px; }

.language-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.language-inner { min-height: 93px; display: flex; align-items: center; justify-content: center; gap: 19px; }
.strip-label { margin-right: 7px; color: #89948e; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.language-pill { display: grid; grid-template-columns: auto auto; align-items: center; column-gap: 8px; }
.flag { grid-row: span 2; font-size: 19px; }
.language-pill b { font-size: 11px; }
.language-pill small { color: #84908a; font-size: 8px; }
.language-divider { color: #a8b1aa; font-size: 13px; }
.strip-note { max-width: 155px; margin-left: 19px; color: #78847d; font-size: 9px; line-height: 1.5; }

.features-section { padding-top: 111px; padding-bottom: 116px; }
.section-heading { max-width: 620px; margin: 0 auto 48px; text-align: center; }
.section-heading h2, .how-intro h2 { margin-bottom: 13px; font-family: var(--serif); font-size: clamp(34px, 4vw, 49px); font-weight: 500; letter-spacing: -.05em; line-height: 1.06; }
.section-heading > p:last-child, .how-intro > p:last-child { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.feature-card { min-height: 257px; position: relative; overflow: hidden; padding: 28px 28px 22px; border: 1px solid rgba(39, 54, 45, .07); border-radius: 23px; background: #fff; }
.feature-card-large { grid-row: span 2; min-height: 531px; background: #eef3e8; }
.feature-card-story { background: #f5eee3; }
.feature-card-exam { background: #ebf1f4; }
.feature-card-review { background: #f8eddf; }
.feature-copy { position: relative; z-index: 2; max-width: 270px; }
.feature-number { color: #77876b; font-size: 8px; font-weight: 800; letter-spacing: .12em; }
.feature-card h3 { margin: 12px 0 8px; font-family: var(--serif); font-size: 26px; font-weight: 500; letter-spacing: -.035em; line-height: 1.07; }
.feature-card p { margin: 0; color: #718078; font-size: 11px; line-height: 1.65; }
.feature-card img { position: absolute; right: 12px; bottom: 0; width: 43%; height: 58%; object-fit: contain; object-position: right bottom; }
.feature-card-large img { right: 1%; bottom: 0; width: 80%; height: 67%; }
.feature-card-story img, .feature-card-review img { width: 38%; height: 68%; }
.feature-card-exam img { right: 0; width: 43%; height: 73%; }

.how-section { padding: 91px 0; background: #e9f0e2; }
.how-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 100px; }
.how-intro { max-width: 390px; }
.how-intro h2 { font-size: clamp(36px, 4vw, 51px); }
.steps-list { margin: 0; padding: 0; list-style: none; }
.steps-list li { display: flex; gap: 19px; padding: 20px 0; border-bottom: 1px solid #d5dfce; }
.steps-list li:first-child { padding-top: 0; }
.steps-list li > span { width: 31px; height: 31px; flex: 0 0 31px; display: grid; place-items: center; border: 1px solid #bdcfaa; border-radius: 50%; color: #617e48; font-family: var(--serif); font-size: 14px; }
.steps-list h3 { margin: 2px 0 5px; font-size: 13px; }
.steps-list p { margin: 0; color: #6c7a6e; font-size: 11px; line-height: 1.65; }

.download-section { padding-top: 82px; padding-bottom: 82px; }
.download-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 32px 38px; border-radius: 24px; background: #1d2929; color: white; }
.download-mark { width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.15); border-radius: 18px; background: rgba(255,255,255,.07); }
.download-mark img { width: 42px; height: 42px; object-fit: contain; }
.download-card .eyebrow { margin-bottom: 8px; color: #b9d995; }
.download-card h2 { max-width: 600px; margin: 0 0 8px; font-family: var(--serif); font-size: 27px; font-weight: 500; letter-spacing: -.035em; }
.download-card p:last-child { margin: 0; color: #bec9c3; font-size: 11px; line-height: 1.6; }
.coming-soon { padding: 10px 13px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: #d9e6cc; font-size: 8px; font-weight: 800; letter-spacing: .12em; white-space: nowrap; }
.site-footer { min-height: 92px; display: flex; align-items: center; gap: 24px; border-top: 1px solid var(--line); }
.site-footer .brand img { width: 113px; }
.site-footer p { margin: 0 auto 0 0; color: #7c8982; font-size: 10px; }
.footer-language { color: #516b40; font-size: 10px; font-weight: 700; text-decoration: none; }
.site-footer small { color: #99a39d; font-size: 9px; }

:focus-visible { outline: 3px solid #6c8a4c; outline-offset: 4px; }
@media (max-width: 900px) {
  .site-header { padding-inline: 24px; }
  .hero { grid-template-columns: 1fr .84fr; min-height: 600px; }
  .hero-art { transform: scale(.9); transform-origin: center right; }
  .hero-proof { gap: 14px; }
  .language-inner { gap: 12px; }
  .strip-note { margin-left: 7px; }
  .how-grid { gap: 50px; }
}
@media (max-width: 680px) {
  .section-wrap { width: min(100% - 36px, 520px); }
  .site-header { height: 67px; padding-inline: 18px; gap: 10px; }
  .brand img { width: 116px; }
  .main-nav { display: none; }
  .header-actions { gap: 12px; margin-left: auto; }
  .header-actions .button { min-height: 36px; padding-inline: 12px; font-size: 10px; }
  .language-link { font-size: 11px; }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 0; padding-top: 55px; padding-bottom: 36px; }
  .hero-copy { padding: 0; }
  .eyebrow { font-size: 8px; }
  h1 { max-width: 500px; font-size: clamp(48px, 13vw, 66px); }
  .hero-lede { font-size: 13px; }
  .hero-proof { margin-top: 30px; justify-content: space-between; gap: 7px; }
  .hero-proof span { font-size: 8px; }
  .hero-art { min-height: 520px; margin-top: 18px; transform: scale(.88); transform-origin: center top; }
  .phone-frame { width: 262px; height: 515px; }
  .orbit-one { width: 400px; height: 400px; }
  .orbit-two { width: 335px; height: 335px; }
  .note-word { right: -17px; }
  .note-review { left: -18px; }
  .language-inner { min-height: 0; display: grid; grid-template-columns: repeat(3, auto); justify-content: space-between; padding-block: 19px; row-gap: 15px; }
  .strip-label { grid-column: 1 / -1; margin: 0; }
  .language-pill { column-gap: 5px; }
  .language-pill small { font-size: 7px; }
  .language-divider { display: none; }
  .strip-note { grid-column: 1 / -1; max-width: none; margin: 0; font-size: 8px; }
  .features-section { padding-top: 73px; padding-bottom: 76px; }
  .section-heading { margin-bottom: 28px; text-align: left; }
  .section-heading h2, .how-intro h2 { font-size: 38px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card, .feature-card-large { min-height: 258px; grid-row: auto; padding: 23px; }
  .feature-card-large { min-height: 340px; }
  .feature-card img { width: 47%; height: 59%; }
  .feature-card-large img { width: 76%; height: 64%; }
  .feature-card h3 { font-size: 24px; }
  .how-section { padding: 70px 0; }
  .how-grid { grid-template-columns: 1fr; gap: 33px; }
  .steps-list li { padding-block: 17px; }
  .download-section { padding-block: 59px; }
  .download-card { grid-template-columns: auto 1fr; gap: 17px; padding: 23px; }
  .download-mark { width: 51px; height: 51px; border-radius: 14px; }
  .download-mark img { width: 34px; height: 34px; }
  .download-card h2 { font-size: 23px; }
  .coming-soon { grid-column: 2; justify-self: start; }
  .site-footer { min-height: 90px; gap: 11px; flex-wrap: wrap; padding-block: 18px; }
  .site-footer .brand { width: 100%; }
  .site-footer p { margin-right: auto; font-size: 9px; }
}

/* The quiz preview mirrors the app's test-session and AnswerTile components. */
.demo-section { padding: 94px 0; background: var(--paper); }
.demo-layout { display: grid; grid-template-columns: 1fr minmax(340px, .86fr); align-items: center; gap: 86px; }
.demo-copy { max-width: 500px; }
.demo-copy .eyebrow { color: #285bc8; }
.demo-copy h2 { margin: 0 0 17px; color: #0f172a; font: 800 clamp(38px, 4.1vw, 54px)/1.06 var(--sans); letter-spacing: -.065em; }
.demo-copy > p:not(.eyebrow) { max-width: 450px; margin: 0; color: #334155; font: 400 16px/1.75 var(--sans); }
.demo-promise { display: flex; align-items: center; gap: 12px; margin-top: 28px; color: #0f172a; font-size: 14px; line-height: 1.55; }
.demo-promise > span { width: 30px; height: 30px; flex: 0 0 30px; display: grid; place-items: center; border: 1px solid #0f172a; border-radius: 50%; background: #16a34a; color: #fff; font-size: 16px; font-weight: 900; }
.demo-phone { width: 380px; height: 758px; justify-self: center; padding: 8px; border: 3px solid #0f172a; border-radius: 33px; background: #0f172a; box-shadow: 6px 7px 0 #0f172a; }
.demo-screen { position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 23px; background: #faf9f6; color: #0f172a; font-family: var(--sans); }
.demo-status { height: 29px; display: flex; align-items: center; justify-content: space-between; padding: 5px 20px 0; font-size: 10px; font-weight: 800; }
.demo-progress-row { min-height: 56px; display: flex; align-items: center; gap: 14px; padding-inline: 22px; }
.demo-close { width: 38px; height: 38px; flex: 0 0 38px; display: grid; place-items: center; border: 1px solid #e2e8f0; border-radius: 50%; background: #fff; box-shadow: 3px 3px 0 #0f172a; color: #0f172a; font-size: 23px; line-height: 1; }
.demo-progress-track { height: 7px; flex: 1; overflow: hidden; border-radius: 999px; background: #e2e8f0; }
.demo-progress-track i { display: block; width: 20%; height: 100%; border-radius: inherit; background: #e11d48; animation: demo-progress 9s ease-in-out infinite; }
.demo-counter { color: #64748b; font-size: 12px; font-weight: 800; }
.demo-content { padding: 7px 22px 150px; }
.demo-session-meta { min-height: 52px; display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.demo-session-meta > div { display: flex; flex-direction: column; gap: 5px; }
.demo-mode { color: #285bc8; font-size: 10px; font-weight: 800; letter-spacing: 1px; }
.demo-skill { color: #0f172a; font-size: 20px; font-weight: 800; line-height: 1.2; }
.demo-kind { align-self: flex-start; padding: 4px 8px; border: 1px solid #e2e8f0; border-radius: 999px; background: #f3f1ec; color: #64748b; font-size: 9px; font-weight: 800; white-space: nowrap; }
.demo-question-card { min-height: 190px; display: flex; flex-direction: column; justify-content: center; padding: 22px; border: 1.5px solid #0f172a; border-radius: 19px; background: #eef0f2; box-shadow: 3px 3px 0 #0f172a; }
.demo-question-number { margin-bottom: 14px; color: #18469f; font-size: 10px; font-weight: 800; letter-spacing: 1.5px; }
.demo-question-card p { margin: 0; color: #0f172a; font-size: 21px; font-weight: 800; letter-spacing: -.4px; line-height: 1.35; }
.demo-translation { margin-top: 13px; color: #334155; font-size: 12px; line-height: 1.5; }
.demo-options { display: grid; gap: 8px; margin-top: 16px; }
.demo-answer-tile { min-height: 54px; display: flex; align-items: center; gap: 14px; padding: 9px 16px; border: 1.5px solid #0f172a; border-radius: 15px; background: #fff; box-shadow: 2px 2px 0 #0f172a; }
.demo-answer-index { width: 32px; height: 32px; flex: 0 0 32px; display: grid; place-items: center; border: 1.2px solid #0f172a; border-radius: 11px; background: #f3f1ec; color: #0f172a; font-size: 13px; font-weight: 800; }
.demo-answer-label { color: #0f172a; font-size: 15px; font-weight: 700; }
.demo-answer-correct { animation: demo-answer-state 9s infinite; }
.demo-answer-correct .demo-answer-index { animation: demo-answer-index-state 9s infinite; }
.demo-answer-check { width: 26px; height: 26px; display: grid; place-items: center; margin-left: auto; border: 1px solid #0f172a; border-radius: 50%; background: #16a34a; color: #fff; font-size: 15px; font-weight: 900; opacity: 0; animation: demo-checkmark 9s infinite; }
.demo-check-button, .demo-continue-button { min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 8px; border: 1.5px solid #0f172a; border-radius: 11px; box-shadow: 2px 2px 0 #0f172a; color: #fff; font-size: 15px; font-weight: 800; }
.demo-check-button { position: absolute; right: 24px; bottom: 18px; left: 24px; background: #ea580c; animation: demo-button-check 9s infinite; }
.demo-check-button span, .demo-continue-button span { font-size: 18px; }
.demo-feedback-sheet { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 18px 22px 20px; border-top: 2px solid #16a34a; border-radius: 19px 19px 0 0; background: #dcfce7; box-shadow: 3px 4px 0 #0f172a; transform: translateY(105%); animation: demo-feedback-enter 9s infinite; }
.demo-feedback-head { display: flex; align-items: flex-start; gap: 14px; }
.demo-feedback-icon { width: 36px; height: 36px; flex: 0 0 36px; display: grid; place-items: center; border-radius: 50%; background: #16a34a; color: #fff; font-size: 20px; font-weight: 900; }
.demo-feedback-head b { display: block; margin: 2px 0 4px; color: #15803d; font-size: 16px; font-weight: 800; }
.demo-feedback-head p { margin: 0; color: #334155; font-size: 13px; font-weight: 500; line-height: 1.5; }
.demo-continue-button { margin-top: 14px; background: #16a34a; }

@keyframes demo-progress { 0%, 17%, 100% { width: 20%; } 44%, 84% { width: 40%; } }
@keyframes demo-answer-state {
  0%, 18%, 100% { border-width: 1.5px; background: #fff; }
  23%, 38% { border-width: 1.5px; background: #eef0f2; }
  44%, 84% { border-width: 1.5px; background: #dcfce7; }
}
@keyframes demo-answer-index-state {
  0%, 18%, 100% { background: #f3f1ec; color: #0f172a; }
  23%, 38% { background: #285bc8; color: #fff; }
  44%, 84% { background: #16a34a; color: #fff; }
}
@keyframes demo-checkmark { 0%, 40%, 100% { opacity: 0; transform: scale(.6); } 45%, 84% { opacity: 1; transform: scale(1); } }
@keyframes demo-button-check {
  0%, 34%, 100% { opacity: 1; transform: translate(0, 0); box-shadow: 2px 2px 0 #0f172a; }
  37%, 41% { opacity: 1; transform: translate(2px, 2px); box-shadow: 0 0 0 #0f172a; }
  45%, 95% { opacity: 0; transform: translateY(5px); }
}
@keyframes demo-feedback-enter {
  0%, 39%, 100% { opacity: 0; transform: translateY(105%); }
  46%, 84% { opacity: 1; transform: translateY(0); }
  92% { opacity: 0; transform: translateY(105%); }
}

@media (max-width: 900px) {
  .demo-layout { grid-template-columns: 1fr minmax(320px, .9fr); gap: 35px; }
  .demo-phone { width: 350px; height: 735px; }
  .demo-content { padding-inline: 18px; }
}
@media (max-width: 680px) {
  .demo-section { padding: 70px 0 78px; }
  .demo-layout { grid-template-columns: 1fr; gap: 28px; }
  .demo-copy { max-width: 520px; }
  .demo-copy h2 { font-size: 39px; }
  .demo-copy > p:not(.eyebrow) { font-size: 14px; }
  .demo-promise { margin-top: 20px; font-size: 12px; }
  .demo-phone { width: min(100%, 360px); height: 735px; }
  .demo-content { padding-inline: 18px; }
  .demo-question-card { min-height: 170px; padding: 18px; }
  .demo-question-card p { font-size: 19px; }
  .demo-answer-tile { min-height: 51px; }
  .demo-feedback-sheet { padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .demo-progress-track i, .demo-answer-correct, .demo-answer-correct .demo-answer-index, .demo-answer-check, .demo-check-button, .demo-feedback-sheet { animation: none; }
  .demo-progress-track i { width: 40%; }
  .demo-answer-correct { background: #dcfce7; }
  .demo-answer-correct .demo-answer-index { background: #16a34a; color: #fff; }
  .demo-answer-check { opacity: 1; transform: none; }
  .demo-check-button { display: none; }
  .demo-feedback-sheet { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }

@font-face {
  font-family: "Source Serif 4";
  src: url("/assets/fonts/SourceSerif4-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("/assets/fonts/SourceSerif4-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

/* Flashcard and story previews follow the mobile screens and reader palette. */
.learning-showcase { padding-top: 90px; padding-bottom: 96px; }
.showcase-heading { max-width: 720px; margin-bottom: 34px; }
.showcase-heading .eyebrow, .showcase-copy .eyebrow { display: inline-block; margin-bottom: 14px; padding: 7px 10px; border: 1.5px solid #0f172a; border-radius: 4px; background: #fde047; color: #0f172a; font-size: 10px; font-weight: 850; letter-spacing: .08em; }
.showcase-heading h2 { margin: 0 0 12px; color: #0f172a; font: 800 clamp(36px, 4.1vw, 50px)/1.04 var(--sans); letter-spacing: -.07em; }
.showcase-heading > p:last-child { max-width: 600px; margin: 0; color: #475569; font-size: 15px; line-height: 1.7; }
.showcase-row { min-height: 755px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(330px, .82fr); align-items: center; gap: 68px; padding: 48px 0; border-top: 2px solid #0f172a; }
.showcase-copy { max-width: 500px; }
.showcase-copy h3 { margin: 0 0 16px; color: #0f172a; font: 800 clamp(36px, 4vw, 50px)/1.04 var(--sans); letter-spacing: -.07em; }
.showcase-copy > p:not(.eyebrow) { max-width: 460px; margin: 0; color: #334155; font-size: 15px; line-height: 1.8; }
.showcase-note { display: flex; align-items: center; gap: 12px; max-width: 440px; margin-top: 27px; color: #0f172a; font-size: 13px; line-height: 1.55; }
.showcase-note > span { width: 32px; height: 32px; flex: 0 0 32px; display: grid; place-items: center; border: 1.5px solid #0f172a; border-radius: 5px; background: #dcfce7; box-shadow: 2px 2px 0 #0f172a; color: #15803d; font-size: 17px; font-weight: 850; }
.story-showcase .showcase-note > span { background: #eef0f2; color: #285bc8; font-family: var(--serif); }
.story-showcase .showcase-copy { order: 2; }
.story-showcase .showcase-device { order: 1; }
.showcase-device { width: min(100%, 360px); height: 730px; justify-self: center; padding: 8px; border: 3px solid #0f172a; border-radius: 33px; background: #0f172a; box-shadow: 6px 7px 0 #0f172a; }
.showcase-screen { position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 23px; font-family: var(--sans); }
.showcase-status { display: flex; align-items: center; justify-content: space-between; padding: 8px 19px 0; color: #0f172a; font-size: 10px; font-weight: 800; }

.flash-screen { display: grid; grid-template-rows: 25px 54px minmax(0, 1fr) 116px; background: #faf9f6; color: #0f172a; }
.flash-progress-row { display: flex; align-items: center; gap: 13px; padding-inline: 18px; }
.flash-close { width: 38px; height: 38px; flex: 0 0 38px; display: grid; place-items: center; border: 1px solid #e2e8f0; border-radius: 50%; background: #fff; box-shadow: 3px 3px 0 #0f172a; color: #0f172a; font-size: 27px; line-height: 1; }
.flash-progress { height: 7px; flex: 1; overflow: hidden; border-radius: 999px; background: #e2e8f0; }
.flash-progress i { display: block; width: 12.5%; height: 100%; border-radius: inherit; background: #285bc8; animation: flash-progress-fill 12s ease-in-out infinite; }
.flash-count { color: #64748b; font-size: 11px; font-weight: 800; white-space: nowrap; }
.flash-stage { position: relative; min-height: 0; margin: 4px 19px 10px; }
.flash-card { position: absolute; border: 1.5px solid #0f172a; border-radius: 19px; box-shadow: 3px 3px 0 #0f172a; }
.flash-faux-deep { inset: 20px 13px 1px; background: #eef0f2; transform: translateY(9px) scale(.92); }
.flash-faux-middle { inset: 9px 6px 0; border-color: #e2e8f0; background: #fff7ed; transform: translateY(6px) scale(.96); }
.flash-active { inset: 0; overflow: hidden; background: #fff; animation: flash-card-swipe 12s ease-in-out infinite; }
.flash-face { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 18px 18px 20px; background: #fff; }
.flash-front { align-items: center; animation: flash-front-state 12s ease-in-out infinite; }
.flash-back { align-items: center; animation: flash-back-state 12s ease-in-out infinite; }
.flash-meta { width: 100%; display: flex; align-items: center; gap: 9px; }
.flash-meta > span { padding: 3px 8px; border: 1px solid #e2e8f0; border-radius: 999px; color: #18469f; font-size: 10px; font-weight: 800; }
.flash-meta > b { color: #64748b; font-size: 9px; font-weight: 700; letter-spacing: .07em; }
.flash-prompt { margin: auto 0 8px; color: #18469f; font-size: 10px; font-weight: 800; text-align: center; letter-spacing: .04em; }
.flash-term-row { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 7px 0 auto; }
.flash-term-row strong { color: #0f172a; font-size: 37px; font-weight: 800; letter-spacing: -.05em; }
.flash-audio, .flash-audio-small { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid #c5dfd7; border-radius: 50%; background: #eef0f2; color: #285bc8; font-size: 19px; }
.flash-tap-hint { margin-top: auto; padding: 7px 12px; border: 1px solid #e2e8f0; border-radius: 999px; background: #f3f1ec; color: #64748b; font-size: 10px; }
.flash-back-term { display: flex; align-items: center; gap: 8px; margin-top: 17px; color: #0f172a; font-size: 23px; font-weight: 800; }
.flash-audio-small { width: 30px; height: 30px; font-size: 14px; }
.flash-answer { width: 100%; display: flex; flex-direction: column; align-items: center; margin: 18px 0 auto; text-align: center; }
.flash-answer > i { width: 80%; height: 1px; margin-bottom: 16px; background: #e2e8f0; }
.flash-answer > strong { color: #285bc8; font-size: 22px; font-weight: 800; }
.flash-answer > p { margin: 8px 0 5px; color: #334155; font-size: 11px; line-height: 1.55; }
.flash-answer > blockquote { width: 100%; margin: 0; padding: 12px 10px; border-radius: 11px; background: #f3f1ec; color: #0f172a; font-size: 11px; font-weight: 700; font-style: italic; line-height: 1.5; }
.flash-known-stamp { position: absolute; z-index: 1; top: 22px; right: 15px; padding: 6px 9px; border: 2px solid #16a34a; border-radius: 11px; background: #dcfce7; color: #15803d; font-size: 9px; font-weight: 850; letter-spacing: .04em; opacity: 0; transform: rotate(5deg) scale(.8); animation: flash-known-mark 12s ease-in-out infinite; }
.flash-controls { padding: 3px 17px 10px; animation: flash-controls-enter 12s ease-in-out infinite; }
.flash-controls > p { margin: 0 0 8px; color: #64748b; font-size: 10px; text-align: center; }
.flash-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.flash-again-button, .flash-known-button { min-height: 57px; display: flex; align-items: center; justify-content: center; gap: 8px; border: 1.5px solid #0f172a; border-radius: 15px; box-shadow: 2px 2px 0 #0f172a; }
.flash-again-button { background: #fff; opacity: .58; }
.flash-known-button { background: #ea580c; color: #fff; animation: flash-button-press 12s ease-in-out infinite; }
.flash-again-button > b, .flash-known-button > b { font-size: 18px; }
.flash-again-button > span, .flash-known-button > span { display: flex; flex-direction: column; align-items: flex-start; font-size: 11px; font-weight: 800; }
.flash-again-button small, .flash-known-button small { margin-top: 2px; font-size: 9px; font-weight: 500; }

.story-screen { background: #f4f6f5; color: #1e2925; }
.story-header { height: 59px; display: flex; align-items: center; gap: 8px; padding: 5px 10px; border-bottom: 1px solid #dce3df; background: #fff; }
.story-header > div { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.story-header > div small { color: #487260; font-size: 8px; font-weight: 800; letter-spacing: .09em; }
.story-header > div b { overflow: hidden; color: #1e2925; font-size: 11px; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }
.story-back, .story-speaker, .story-settings { width: 30px; height: 30px; flex: 0 0 30px; display: grid; place-items: center; border: 1px solid #dce3df; border-radius: 50%; background: #f4f6f5; color: #1e2925; font-size: 16px; }
.story-reading { height: calc(100% - 59px); overflow: hidden; padding: 17px 17px 22px; }
.story-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 9px; color: #728078; font-size: 9px; font-weight: 800; letter-spacing: .06em; }
.story-title { padding: 5px 0 13px; }
.story-title h4 { margin: 0 0 4px; color: #1e2925; font-size: 25px; font-weight: 800; line-height: 1.22; letter-spacing: -.05em; }
.story-title p { margin: 0; color: #728078; font-size: 10px; line-height: 1.5; }
.story-title i { width: 38px; height: 3px; display: block; margin-top: 10px; border-radius: 2px; background: #487260; }
.story-paper { min-height: 330px; display: flex; flex-direction: column; padding: 18px 14px 13px; border: 1px solid #dce3df; border-radius: 19px; background: #fff; box-shadow: 3px 3px 0 #0f172a; }
.story-paragraph { position: relative; margin: 0 0 8px; padding: 7px 8px; border-left: 3px solid transparent; border-radius: 11px; }
.story-paragraph-active { border-left-color: #487260; background: #e6f0eb; box-shadow: 3px 3px 0 #0f172a; }
.story-paragraph p { margin: 0; padding-right: 18px; color: #1e2925; font: 400 16px/1.55 "Source Serif 4", Georgia, serif; }
.story-paragraph-audio { position: absolute; top: 4px; right: 3px; color: #487260; font-size: 13px; }
.story-tap-word { border-bottom: 1px dotted #487260; border-radius: 3px; background: #e6f0eb; animation: story-word-tap 10s ease-in-out infinite; }
.story-folio { margin-top: auto; color: #728078; font-size: 9px; text-align: center; }
.story-dim { position: absolute; z-index: 1; inset: 59px 0 0; background: rgba(15, 23, 42, .45); opacity: 0; animation: story-dim-in 10s ease-in-out infinite; }
.story-word-sheet { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 10px 17px 16px; border-top: 1px solid #e2e8f0; border-radius: 15px 15px 0 0; background: #faf9f6; box-shadow: 3px 4px 0 #0f172a; transform: translateY(105%); animation: story-sheet-in 10s ease-in-out infinite; }
.story-sheet-handle { width: 35px; height: 4px; margin: 0 auto 8px; border-radius: 4px; background: #cbd5e1; }
.story-sheet-header { display: flex; align-items: baseline; gap: 7px; padding-bottom: 8px; border-bottom: 1px solid #e2e8f0; }
.story-sheet-header b { color: #0f172a; font-size: 18px; font-weight: 800; text-transform: capitalize; }
.story-sheet-header span { color: #64748b; font-size: 9px; font-style: italic; }
.story-sheet-header i { width: 25px; height: 25px; display: grid; place-items: center; margin-left: auto; border-radius: 50%; background: #f3f1ec; color: #334155; font-size: 16px; font-style: normal; }
.story-badges { display: flex; align-items: center; gap: 7px; margin: 8px 0; }
.story-badges > span { padding: 3px 7px; border: 1px solid #e2e8f0; border-radius: 7px; color: #18469f; font-size: 9px; font-weight: 800; }
.story-badges > b { padding: 3px 7px; border-radius: 7px; background: #f3f1ec; color: #334155; font-size: 9px; font-weight: 600; }
.story-gloss { margin-bottom: 7px; padding: 8px; border-left: 4px solid #285bc8; border-radius: 11px; background: #eef0f2; }
.story-gloss small, .story-example > small { display: block; margin-bottom: 2px; color: #285bc8; font-size: 8px; font-weight: 800; letter-spacing: .06em; }
.story-gloss strong { color: #0f172a; font-size: 16px; font-weight: 800; }
.story-definition { margin: 0 2px 7px; }
.story-definition b { display: block; margin-bottom: 2px; color: #0f172a; font-size: 10px; }
.story-definition p { margin: 0; color: #334155; font-size: 9px; line-height: 1.45; }
.story-example { margin-top: 6px; padding: 8px; border-radius: 7px; background: #f3f1ec; }
.story-example > small { color: #64748b; }
.story-example p { margin: 0 0 2px; color: #0f172a; font-size: 9px; font-style: italic; line-height: 1.4; }
.story-example > span { color: #64748b; font-size: 8px; line-height: 1.35; }
.story-save { min-height: 34px; display: flex; align-items: center; justify-content: center; margin-top: 8px; border: 1.5px solid #285bc8; border-radius: 11px; background: #fff; color: #285bc8; font-size: 9px; font-weight: 800; }

@keyframes flash-progress-fill { 0%, 15%, 100% { width: 12.5%; } 38%, 80% { width: 25%; } }
@keyframes flash-front-state { 0%, 22%, 68%, 100% { opacity: 1; transform: scale(1); } 28%, 62% { opacity: 0; transform: scale(.985); } }
@keyframes flash-back-state { 0%, 25%, 100% { opacity: 0; transform: scale(1.015); } 32%, 54% { opacity: 1; transform: scale(1); } 60% { opacity: 0; transform: scale(.99); } }
@keyframes flash-card-swipe { 0%, 58%, 100% { opacity: 1; transform: translateX(0) rotate(0); } 63%, 67% { opacity: 0; transform: translateX(135%) rotate(9deg); } }
@keyframes flash-known-mark { 0%, 52%, 100% { opacity: 0; transform: rotate(5deg) scale(.8); } 57%, 61% { opacity: 1; transform: rotate(5deg) scale(1); } }
@keyframes flash-button-press { 0%, 49%, 100% { transform: translate(0, 0); box-shadow: 2px 2px 0 #0f172a; } 53%, 58% { transform: translate(2px, 2px); box-shadow: 0 0 0 #0f172a; } }
@keyframes flash-controls-enter { 0%, 28%, 100% { opacity: 0; transform: translateY(14px); } 35%, 58% { opacity: 1; transform: translateY(0); } 64%, 94% { opacity: 0; transform: translateY(14px); } }
@keyframes story-word-tap { 0%, 24%, 100% { box-shadow: 0 0 0 0 rgba(72, 114, 96, 0); } 32%, 47% { box-shadow: 0 0 0 5px rgba(72, 114, 96, .16); } }
@keyframes story-dim-in { 0%, 37%, 100% { opacity: 0; } 46%, 81% { opacity: 1; } }
@keyframes story-sheet-in { 0%, 37%, 100% { transform: translateY(105%); } 46%, 81% { transform: translateY(0); } }

@media (max-width: 900px) {
  .showcase-row { grid-template-columns: minmax(0, .8fr) minmax(300px, .8fr); gap: 28px; }
  .showcase-device { width: 330px; height: 710px; }
  .showcase-copy h3 { font-size: 40px; }
}
@media (max-width: 680px) {
  .learning-showcase { padding-top: 70px; padding-bottom: 76px; }
  .showcase-heading { margin-bottom: 26px; }
  .showcase-heading h2 { font-size: 38px; }
  .showcase-heading > p:last-child { font-size: 13px; }
  .showcase-row { min-height: 0; grid-template-columns: 1fr; gap: 26px; padding: 34px 0 45px; }
  .showcase-row.story-showcase { gap: 25px; }
  .story-showcase .showcase-copy, .story-showcase .showcase-device { order: initial; }
  .showcase-copy h3 { font-size: 38px; }
  .showcase-copy > p:not(.eyebrow) { font-size: 13px; }
  .showcase-note { margin-top: 18px; font-size: 11px; }
  .showcase-device { width: min(100%, 360px); height: 710px; }
}
@media (prefers-reduced-motion: reduce) {
  .flash-progress i, .flash-front, .flash-back, .flash-active, .flash-known-stamp, .flash-known-button, .flash-controls, .story-tap-word, .story-dim, .story-word-sheet { animation: none; }
  .flash-front { opacity: 0; }
  .flash-back { opacity: 1; }
  .flash-known-stamp { opacity: 1; transform: rotate(5deg) scale(1); }
  .flash-known-button { transform: translate(2px, 2px); box-shadow: 0 0 0 #0f172a; }
  .flash-controls { opacity: 1; transform: none; }
  .story-tap-word { box-shadow: 0 0 0 5px rgba(72, 114, 96, .16); }
  .story-dim { opacity: 1; }
  .story-word-sheet { transform: none; }
}

.word-guide-section { padding-top: 12px; padding-bottom: 88px; scroll-margin-top: 24px; }
.word-guide-article { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .74fr); gap: 25px 36px; padding: 38px; border: 2px solid #0f172a; border-radius: 8px; background: #eef0f2; box-shadow: 7px 7px 0 #0f172a; }
.word-guide-intro .eyebrow { display: inline-block; margin-bottom: 15px; padding: 7px 10px; border: 1.5px solid #0f172a; border-radius: 4px; background: #fde047; color: #0f172a; font-size: 10px; font-weight: 850; letter-spacing: .08em; }
.word-guide-intro h2 { max-width: 600px; margin: 0 0 15px; color: #0f172a; font: 800 clamp(32px, 3.6vw, 43px)/1.06 var(--sans); letter-spacing: -.07em; }
.word-guide-intro > p:not(.eyebrow) { max-width: 610px; margin: 0 0 11px; color: #334155; font-size: 13px; line-height: 1.75; }
.word-example-card { align-self: center; padding: 21px; border: 1.5px solid #0f172a; border-radius: 11px; background: #fff; box-shadow: 3px 3px 0 #0f172a; }
.word-example-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.word-example-top span { padding: 4px 8px; border: 1px solid #e2e8f0; border-radius: 999px; color: #18469f; font-size: 9px; font-weight: 800; }
.word-example-top small { color: #64748b; font-size: 8px; font-weight: 800; letter-spacing: .06em; }
.word-example-card h3 { margin: 16px 0 2px; color: #0f172a; font-size: 32px; font-weight: 800; letter-spacing: -.05em; }
.word-example-card > strong { color: #285bc8; font-size: 18px; font-weight: 800; }
.word-example-card blockquote { margin: 14px 0 6px; padding: 12px; border-radius: 7px; background: #f3f1ec; color: #0f172a; font: 600 12px/1.55 var(--serif); font-style: italic; }
.word-example-card > p { margin: 0; color: #64748b; font-size: 10px; line-height: 1.5; }
.word-guide-steps { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.word-guide-step { min-height: 112px; display: flex; align-items: flex-start; gap: 12px; padding: 15px; border: 1.5px solid #0f172a; border-radius: 7px; background: #fff; box-shadow: 2px 2px 0 #0f172a; }
.word-guide-step > span { width: 28px; height: 28px; flex: 0 0 28px; display: grid; place-items: center; border: 1px solid #0f172a; border-radius: 4px; background: #fde047; color: #0f172a; font-size: 10px; font-weight: 850; }
.word-guide-step h3 { margin: 2px 0 5px; color: #0f172a; font-size: 12px; font-weight: 800; line-height: 1.35; }
.word-guide-step p { margin: 0; color: #475569; font-size: 10px; line-height: 1.55; }
@media (max-width: 900px) {
  .word-guide-article { gap: 22px; padding: 28px; }
  .word-guide-step { padding: 12px; }
}
@media (max-width: 680px) {
  .word-guide-section { padding-top: 2px; padding-bottom: 65px; }
  .word-guide-article { grid-template-columns: 1fr; gap: 17px; padding: 19px; }
  .word-guide-intro h2 { font-size: 34px; }
  .word-guide-intro > p:not(.eyebrow) { font-size: 12px; }
  .word-example-card { width: 100%; }
  .word-guide-steps { grid-column: auto; grid-template-columns: 1fr; gap: 10px; }
  .word-guide-step { min-height: 0; padding: 13px; }
  .word-guide-step p { font-size: 11px; }
}

/* Lernir's app uses bold ink outlines, compact corners and offset shadows. */
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/assets/fonts/PlusJakartaSans-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/assets/fonts/PlusJakartaSans-700.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/assets/fonts/PlusJakartaSans-800.ttf") format("truetype");
  font-style: normal;
  font-weight: 800 900;
  font-display: swap;
}
:root {
  --ink: #0f172a;
  --muted: #475569;
  --paper: #faf9f6;
  --white: #fff;
  --green: #16a34a;
  --green-dark: #15803d;
  --green-soft: #dcfce7;
  --orange: #ea580c;
  --line: #0f172a;
  --blue: #285bc8;
  --blue-dark: #18469f;
  --blue-soft: #e8efff;
  --yellow: #fde047;
  --sans: "Plus Jakarta Sans", "Avenir Next", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

body { background: var(--paper); color: var(--ink); }
.section-wrap { width: min(1160px, calc(100% - 56px)); }
.skip-link { border: 2px solid var(--ink); border-radius: 4px; box-shadow: 3px 3px 0 var(--ink); }

.site-header {
  height: 76px;
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}
.brand img { width: 148px; }
.main-nav a, .language-link { color: var(--ink); font-size: 13px; font-weight: 750; }
.main-nav a:hover, .language-link:hover { color: var(--blue); }
.button {
  min-height: 50px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  padding-inline: 22px;
  font-size: 13px;
  font-weight: 800;
  transition: transform .16s ease, box-shadow .16s ease;
}
.button:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); }
.button:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.button-small { min-height: 42px; border-radius: 5px; padding-inline: 16px; font-size: 12px; }
.button-dark { background: var(--ink); color: var(--white); box-shadow: 3px 3px 0 var(--blue); }
.button-primary { background: var(--yellow); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }

.hero { min-height: 670px; grid-template-columns: 1.02fr .98fr; gap: 44px; padding-top: 58px; padding-bottom: 58px; }
.hero-copy { max-width: 610px; padding: 8px 0; }
.eyebrow { margin-bottom: 18px; color: var(--blue-dark); font-size: 11px; font-weight: 850; letter-spacing: .09em; }
.eyebrow-dot { width: 9px; height: 9px; border: 1px solid var(--ink); border-radius: 1px; background: var(--orange); }
h1 {
  max-width: 620px;
  margin-bottom: 20px;
  font-family: var(--sans);
  font-size: clamp(48px, 5.7vw, 72px);
  font-weight: 850;
  letter-spacing: -.075em;
  line-height: .99;
}
h1 em { color: var(--blue); font-style: normal; }
.hero-lede { max-width: 530px; margin-bottom: 25px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.hero-actions { gap: 19px; }
.availability { color: var(--ink); font-size: 12px; font-weight: 700; }
.availability-dot { width: 9px; height: 9px; border-radius: 1px; background: var(--green); box-shadow: 2px 2px 0 var(--ink); }
.hero-proof { gap: 20px; margin-top: 40px; padding-top: 18px; border-top: 2px solid var(--ink); }
.hero-proof span { color: var(--ink); font-size: 11px; font-weight: 700; }
.hero-proof b { color: var(--blue); font-size: 10px; }

.hero-art {
  min-height: 570px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background-color: #dce7ff;
  background-image: radial-gradient(var(--ink) 1.1px, transparent 1.1px);
  background-size: 18px 18px;
  box-shadow: 8px 8px 0 var(--ink);
  transform: rotate(1deg);
}
.hero-art::after {
  content: "LEARN BY DOING";
  position: absolute;
  z-index: 2;
  top: 28px;
  left: 23px;
  padding: 8px 10px;
  border: 2px solid var(--ink);
  border-radius: 4px;
  background: var(--yellow);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .12em;
  transform: rotate(-5deg);
}
.art-orbit { display: none; }
.phone-frame {
  width: 272px;
  height: 534px;
  padding: 8px;
  border: 3px solid var(--ink);
  border-radius: 30px;
  background: var(--ink);
  box-shadow: 7px 7px 0 rgba(15, 23, 42, .28);
  transform: rotate(-2deg);
}
.phone-island { top: 13px; height: 20px; border-radius: 12px; background: var(--ink); }
.phone-screen { border-radius: 20px; background: var(--paper); padding: 23px 13px 0; }
.phone-topline { color: var(--ink); }
.phone-brand { color: var(--ink); font-size: 11px; }
.streak { border: 1px solid var(--ink); border-radius: 4px; background: #ffedd5; color: #9a3412; font-weight: 800; }
.daily-card {
  padding: 13px;
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  background: #e8efff;
  box-shadow: 3px 3px 0 var(--ink);
}
.daily-card-top { color: var(--blue-dark); font-size: 7px; }
.daily-card h2 { font-family: var(--sans); font-size: 18px; font-weight: 850; letter-spacing: -.05em; }
.progress-line { height: 7px; border: 1px solid var(--ink); border-radius: 2px; background: var(--white); }
.progress-line i { border-right: 1px solid var(--ink); border-radius: 0; background: var(--blue); }
.daily-card small { color: var(--muted); }
.word-card {
  margin-top: 12px;
  padding: 13px;
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 3px 3px 0 var(--ink);
}
.word-card-label { color: var(--muted); }
.word-card h3 { font-family: var(--sans); font-size: 27px; font-weight: 850; }
.pronunciation { color: var(--muted); }
.pronunciation span { color: var(--blue); }
.meaning span { border: 1px solid var(--ink); border-radius: 3px; background: #dcfce7; color: var(--green-dark); }
.example { color: var(--ink); font-family: var(--sans); font-size: 9px; font-weight: 650; font-style: normal; }
.translation { color: var(--muted); }
.phone-tabs { height: 48px; border-top: 1.5px solid var(--ink); background: var(--white); color: #64748b; }
.phone-tabs .selected { color: var(--blue); font-weight: 800; }
.floating-note {
  gap: 10px;
  padding: 10px 13px 10px 10px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--white);
  box-shadow: 4px 4px 0 var(--ink);
  backdrop-filter: none;
}
.floating-note b { color: var(--ink); font-size: 11px; }
.floating-note small { color: var(--muted); font-size: 9px; }
.note-icon { width: 32px; height: 32px; border: 1px solid var(--ink); border-radius: 4px; }
.note-green { background: #dcfce7; color: var(--green-dark); }
.note-orange { background: #ffedd5; color: #9a3412; }
.note-word { top: 111px; right: -20px; }
.note-review { bottom: 92px; left: -23px; }

.language-strip { border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); background: var(--blue); color: var(--white); }
.language-inner { min-height: 105px; gap: 22px; }
.strip-label { color: #dbe7ff; font-size: 10px; }
.language-pill b { color: var(--white); font-size: 12px; }
.language-pill small { color: #dbe7ff; font-size: 9px; }
.flag { font-size: 21px; }
.language-divider { color: var(--yellow); font-weight: 900; }
.strip-note { max-width: 175px; color: var(--white); font-size: 10px; font-weight: 650; }

.features-section { padding-top: 100px; padding-bottom: 108px; }
.section-heading { max-width: 650px; margin: 0 0 38px; text-align: left; }
.section-heading .eyebrow, .how-intro .eyebrow { display: inline-block; padding: 7px 10px; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--yellow); color: var(--ink); }
.section-heading h2, .how-intro h2 { margin-bottom: 13px; font-family: var(--sans); font-size: clamp(36px, 4vw, 50px); font-weight: 850; letter-spacing: -.07em; line-height: 1.03; }
.section-heading > p:last-child, .how-intro > p:last-child { max-width: 560px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.feature-grid { gap: 20px; }
.feature-card {
  min-height: 270px;
  padding: 26px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 5px 5px 0 var(--ink);
}
.feature-card-large { min-height: 560px; background: #dce7ff; }
.feature-card-story { background: #ffedd5; }
.feature-card-exam { background: #dcfce7; }
.feature-card-review { background: #f3e8ff; }
.feature-number { color: var(--blue-dark); font-size: 10px; letter-spacing: .08em; }
.feature-card h3 { margin: 12px 0 9px; font-family: var(--sans); font-size: 27px; font-weight: 850; letter-spacing: -.06em; line-height: 1.05; }
.feature-card p { color: #334155; font-size: 13px; line-height: 1.65; }
.feature-card img { right: 8px; width: 46%; height: 56%; }
.feature-card-large img { right: 0; width: 83%; height: 68%; }
.feature-card-story img, .feature-card-review img { width: 39%; height: 64%; }

.how-section { padding: 90px 0; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); background: #eef0f2; }
.how-grid { grid-template-columns: .9fr 1.1fr; gap: 90px; }
.how-intro h2 { font-size: clamp(38px, 4.2vw, 54px); }
.steps-list li { gap: 17px; padding: 20px 0; border-bottom: 1.5px solid #94a3b8; }
.steps-list li > span { width: 38px; height: 38px; flex-basis: 38px; border: 2px solid var(--ink); border-radius: 5px; background: var(--orange); box-shadow: 3px 3px 0 var(--ink); color: var(--white); font-family: var(--sans); font-size: 15px; font-weight: 850; }
.steps-list h3 { color: var(--ink); font-size: 15px; font-weight: 800; }
.steps-list p { color: var(--muted); font-size: 13px; line-height: 1.65; }

.download-section { padding-top: 78px; padding-bottom: 78px; }
.download-card {
  grid-template-columns: auto 1fr auto;
  gap: 25px;
  padding: 34px 38px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  box-shadow: 8px 8px 0 var(--blue);
  color: var(--white);
}
.download-mark { width: 66px; height: 66px; border: 2px solid var(--ink); border-radius: 7px; background: var(--yellow); }
.download-mark img { width: 43px; height: 43px; }
.download-card .eyebrow { color: var(--yellow); }
.download-card h2 { font-family: var(--sans); font-size: 29px; font-weight: 850; letter-spacing: -.06em; }
.download-card p:last-child { color: #e2e8f0; font-size: 13px; }
.coming-soon { padding: 11px 14px; border: 2px solid var(--ink); border-radius: 5px; background: var(--yellow); box-shadow: 3px 3px 0 var(--white); color: var(--ink); font-size: 9px; letter-spacing: .08em; }
.site-footer { min-height: 96px; border-top: 2px solid var(--ink); }
.site-footer .brand img { width: 120px; }
.site-footer p { color: var(--muted); font-size: 11px; font-weight: 600; }
.footer-language { color: var(--blue-dark); font-size: 11px; }
.footer-faq { color: var(--blue-dark); font-size: 11px; font-weight: 750; text-decoration: none; }
.footer-faq:hover { text-decoration: underline; }
.site-footer small { color: var(--muted); font-size: 10px; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr .86fr; gap: 28px; min-height: 620px; }
  .hero-art { min-height: 535px; }
  .phone-frame { transform: scale(.92) rotate(-2deg); }
  .hero-proof { gap: 12px; }
  .language-inner { gap: 13px; }
  .strip-note { margin-left: 4px; }
  .how-grid { gap: 48px; }
}

@media (max-width: 680px) {
  .section-wrap { width: min(100% - 36px, 520px); }
  .site-header { height: 68px; padding-inline: 18px; }
  .brand img { width: 116px; }
  .header-actions { gap: 10px; }
  .header-actions .button { min-height: 37px; padding-inline: 10px; font-size: 10px; }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 20px; padding-top: 43px; padding-bottom: 45px; }
  .hero-copy { padding: 0; }
  .eyebrow { font-size: 9px; }
  h1 { max-width: 500px; font-size: clamp(43px, 12vw, 62px); }
  .hero-lede { font-size: 14px; }
  .hero-proof { margin-top: 27px; justify-content: space-between; gap: 6px; }
  .hero-proof span { font-size: 9px; }
  .hero-art { min-height: 515px; margin: 0 5px 7px 0; transform: none; }
  .hero-art::after { top: 18px; left: 14px; }
  .phone-frame { width: 262px; height: 515px; transform: scale(.9) rotate(-2deg); }
  .note-word { right: -12px; top: 93px; }
  .note-review { left: -10px; bottom: 76px; }
  .language-inner { min-height: 0; display: grid; grid-template-columns: repeat(3, auto); justify-content: space-between; padding-block: 20px; row-gap: 15px; }
  .strip-label { grid-column: 1 / -1; margin: 0; }
  .language-pill { column-gap: 5px; }
  .language-pill small { font-size: 7px; }
  .language-divider { display: none; }
  .strip-note { grid-column: 1 / -1; max-width: none; margin: 0; font-size: 9px; }
  .features-section { padding-top: 72px; padding-bottom: 79px; }
  .section-heading { margin-bottom: 29px; }
  .section-heading h2, .how-intro h2 { font-size: 38px; }
  .section-heading > p:last-child, .how-intro > p:last-child { font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr; gap: 14px; }
  .feature-card, .feature-card-large { min-height: 265px; grid-row: auto; padding: 22px; }
  .feature-card-large { min-height: 350px; }
  .feature-card h3 { max-width: 300px; font-size: 25px; }
  .feature-card p { max-width: 290px; font-size: 12px; }
  .feature-card img { width: 48%; height: 57%; }
  .feature-card-large img { width: 79%; height: 63%; }
  .how-section { padding: 68px 0; }
  .how-grid { grid-template-columns: 1fr; gap: 30px; }
  .steps-list li { padding-block: 17px; }
  .download-section { padding-block: 56px; }
  .download-card { grid-template-columns: auto 1fr; gap: 16px; padding: 22px; }
  .download-mark { width: 52px; height: 52px; }
  .download-mark img { width: 34px; height: 34px; }
  .download-card h2 { font-size: 23px; }
  .download-card p:last-child { font-size: 12px; }
  .coming-soon { grid-column: 2; justify-self: start; }
  .site-footer { min-height: 90px; gap: 11px; flex-wrap: wrap; padding-block: 18px; }
  .site-footer .brand { width: 100%; }
  .site-footer p { margin-right: auto; font-size: 9px; }
}

.faq-section { padding-top: 82px; padding-bottom: 94px; border-top: 2px solid var(--ink); scroll-margin-top: 24px; }
.faq-layout { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); align-items: start; gap: clamp(36px, 6vw, 82px); }
.faq-heading { max-width: 390px; }
.faq-heading .eyebrow { display: inline-block; margin-bottom: 16px; padding: 7px 10px; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--yellow); color: var(--ink); font-size: 10px; font-weight: 850; letter-spacing: .08em; }
.faq-heading h2 { margin: 0 0 13px; color: var(--ink); font: 800 clamp(34px, 4vw, 48px)/1.04 var(--sans); letter-spacing: -.07em; }
.faq-heading > p:last-child { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.faq-list { display: grid; gap: 14px; }
.faq-item { display: block; overflow: hidden; border: 2px solid var(--ink); border-radius: 9px; background: var(--white); box-shadow: 4px 4px 0 var(--ink); transition: transform .16s ease, box-shadow .16s ease; }
.faq-item:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 19px; background: var(--white); color: var(--ink); font-size: 14px; font-weight: 800; line-height: 1.45; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { width: 26px; height: 26px; flex: 0 0 26px; display: grid; place-items: center; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--yellow); content: "+"; font-size: 19px; line-height: 1; }
.faq-item[open] summary { background: var(--green-soft); }
.faq-item[open] summary::after { content: "−"; }
.faq-item > p { margin: 0; padding: 15px 19px 18px; border-top: 1px dashed var(--ink); background: var(--white); color: #334155; font-size: 13px; line-height: 1.7; }
.faq-item summary:focus-visible { position: relative; z-index: 1; outline: 3px solid var(--green-dark); outline-offset: -5px; }

@media (max-width: 900px) {
  .faq-layout { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 30px; }
}
@media (max-width: 760px) {
  .main-nav { display: none; }
  .site-header { gap: 14px; }
  .header-actions { gap: 10px; }
}
@media (max-width: 680px) {
  .faq-section { padding-top: 65px; padding-bottom: 76px; }
  .faq-layout { grid-template-columns: 1fr; gap: 26px; }
  .faq-heading h2 { font-size: 38px; }
  .faq-heading > p:last-child { font-size: 13px; }
  .faq-list { gap: 13px; }
  .faq-item { border-width: 2px; border-radius: 9px; box-shadow: 4px 4px 0 var(--ink); }
  .faq-item summary { min-height: 60px; gap: 13px; padding: 15px 14px; font-size: 14px; }
  .faq-item summary::after { width: 28px; height: 28px; flex-basis: 28px; }
  .faq-item > p { padding: 13px 14px 16px; font-size: 13px; }
}

.content-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 15px; padding-top: 8px; padding-bottom: 68px; }
.content-stat { min-height: 142px; display: flex; flex-direction: column; align-items: flex-start; padding: 17px 16px; border: 2px solid var(--ink); border-radius: 7px; background: var(--white); box-shadow: 4px 4px 0 var(--ink); }
.content-stat-vocabulary { background: #dce7ff; }
.content-stat-books { background: #ffedd5; }
.content-stat-tests { background: #dcfce7; }
.content-stat-stories { background: #f3e8ff; }
.content-stat strong { margin-bottom: 3px; color: var(--ink); font-size: clamp(27px, 3vw, 36px); font-weight: 900; letter-spacing: -.07em; line-height: 1; }
.content-stat > span { color: var(--ink); font-size: 12px; font-weight: 850; }
.content-stat small { margin-top: auto; padding-top: 12px; color: #334155; font-size: 10px; font-weight: 650; line-height: 1.45; }

.reading-library { padding-top: 50px; padding-bottom: 80px; scroll-margin-top: 24px; }
.reading-library .showcase-heading { max-width: 820px; margin-bottom: 30px; }
.reading-grid { display: grid; gap: 24px; }
.reading-feature { min-height: 480px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .86fr); align-items: center; gap: 40px; padding: 35px; border: 2px solid var(--ink); border-radius: 8px; background: #dce7ff; box-shadow: 6px 6px 0 var(--ink); }
.reading-story-feature { background: #dcfce7; }
.reading-feature-copy { max-width: 470px; }
.reading-feature-copy .eyebrow { display: inline-block; margin-bottom: 15px; padding: 7px 10px; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--yellow); color: var(--ink); font-size: 10px; font-weight: 850; letter-spacing: .08em; }
.reading-feature-copy h3 { max-width: 480px; margin: 0 0 14px; color: var(--ink); font-size: clamp(30px, 3.5vw, 43px); font-weight: 900; letter-spacing: -.07em; line-height: 1.04; }
.reading-feature-copy > p:not(.eyebrow, .reading-count) { max-width: 440px; margin-bottom: 18px; color: #334155; font-size: 14px; line-height: 1.75; }
.reading-count { display: flex; flex-direction: column; gap: 4px; margin: 21px 0 17px; padding-left: 13px; border-left: 4px solid var(--blue); color: var(--ink); }
.reading-count b { font-size: 14px; font-weight: 900; }
.reading-count span { color: #334155; font-size: 11px; line-height: 1.5; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--blue-dark); font-size: 12px; font-weight: 850; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.preparation-note { display: inline-flex; align-items: center; gap: 8px; padding: 9px 11px; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--white); box-shadow: 2px 2px 0 var(--ink); color: var(--ink); font-size: 10px; font-weight: 850; }
.preparation-note i { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 1px 1px 0 var(--ink); }
.book-preview, .story-quiz-preview { position: relative; width: 100%; min-height: 420px; display: grid; place-items: center; }
.book-preview-phone, .story-quiz-phone { width: min(100%, 300px); min-height: 410px; overflow: hidden; padding: 15px; border: 3px solid var(--ink); border-radius: 21px; background: var(--paper); box-shadow: 6px 6px 0 var(--ink); }
.book-preview-top, .story-quiz-top { display: flex; align-items: center; justify-content: space-between; min-height: 25px; color: var(--ink); font-size: 9px; font-weight: 850; }
.book-preview-top span { width: 25px; height: 25px; display: grid; place-items: center; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--white); font-size: 16px; }
.book-preview-meta { display: flex; align-items: center; justify-content: space-between; margin: 17px 0 9px; color: var(--blue-dark); font-size: 8px; font-weight: 850; letter-spacing: .06em; }
.book-preview-cover { min-height: 123px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 12px; border: 2px solid var(--ink); background: #fde047; box-shadow: 3px 3px 0 var(--ink); text-align: center; animation: book-cover-settle 10s ease-in-out infinite; }
.book-preview-cover > span { margin-bottom: 8px; color: var(--blue-dark); font-size: 8px; font-weight: 900; letter-spacing: .16em; line-height: 1.4; }
.book-preview-cover > b { color: var(--ink); font-family: var(--serif); font-size: 19px; font-weight: 700; }
.book-preview-cover > small { margin-top: 5px; color: #475569; font-size: 7px; font-weight: 800; letter-spacing: .12em; }
.book-preview-page { position: relative; min-height: 168px; margin-top: 13px; padding: 15px 14px 22px; border: 1.5px solid var(--ink); background: var(--white); box-shadow: 3px 3px 0 var(--ink); transform-origin: left center; animation: book-page-read 10s ease-in-out infinite; }
.book-preview-page h4 { margin: 0 0 9px; color: var(--ink); font-family: var(--serif); font-size: 16px; }
.book-preview-page p { margin: 0 0 8px; color: #334155; font: 12px/1.55 var(--serif); }
.book-preview-page > span { position: absolute; bottom: 7px; left: 0; right: 0; color: #64748b; font-size: 8px; text-align: center; }
.book-preview-progress { height: 6px; overflow: hidden; margin-top: 13px; border: 1px solid var(--ink); background: var(--white); }
.book-preview-progress i { display: block; width: 24%; height: 100%; background: var(--blue); animation: book-progress 10s ease-in-out infinite; }
.preview-sticker { position: absolute; top: 9px; right: 0; padding: 7px 9px; border: 2px solid var(--ink); border-radius: 4px; background: var(--yellow); box-shadow: 3px 3px 0 var(--ink); color: var(--ink); font-size: 8px; font-weight: 900; letter-spacing: .06em; transform: rotate(4deg); }
.reading-story-feature .reading-feature-copy, .reading-story-feature .story-quiz-preview { order: 2; }
.reading-story-feature .story-quiz-preview { order: 1; }
.story-quiz-phone { min-height: 420px; padding: 15px 14px; background: #f4f6f5; }
.story-quiz-top { margin-bottom: 15px; padding: 0 3px 9px; border-bottom: 1.5px solid #dce3df; color: #487260; font-size: 8px; letter-spacing: .06em; }
.story-quiz-top b { color: #64748b; }
.story-quiz-passage { padding: 12px; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--white); box-shadow: 3px 3px 0 var(--ink); }
.story-quiz-passage small, .story-quiz-question small { display: block; margin-bottom: 7px; color: var(--blue-dark); font-size: 7px; font-weight: 900; letter-spacing: .08em; }
.story-quiz-passage p { margin: 0; color: var(--ink); font: 13px/1.5 var(--serif); }
.story-quiz-question { margin: 17px 2px 10px; color: var(--ink); }
.story-quiz-question b { font-size: 14px; font-weight: 900; }
.story-quiz-options { display: grid; gap: 8px; }
.story-quiz-options > span { position: relative; min-height: 37px; display: flex; align-items: center; padding: 7px 11px; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--white); box-shadow: 2px 2px 0 var(--ink); color: #334155; font-size: 10px; font-weight: 750; }
.story-quiz-options > .story-quiz-answer { background: var(--green-soft); animation: story-answer-select 10s ease-in-out infinite; }
.story-quiz-answer i { position: absolute; right: 9px; width: 20px; height: 20px; display: grid; place-items: center; border: 1.5px solid var(--ink); border-radius: 3px; background: var(--green); color: var(--ink); font-style: normal; opacity: 0; animation: story-answer-mark 10s ease-in-out infinite; }
.story-quiz-feedback { margin-top: 13px; padding: 10px 11px; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--yellow); box-shadow: 3px 3px 0 var(--ink); color: var(--ink); animation: story-feedback-show 10s ease-in-out infinite; }
.story-quiz-feedback b, .story-quiz-feedback small { display: block; }
.story-quiz-feedback b { font-size: 10px; font-weight: 900; }
.story-quiz-feedback small { margin-top: 5px; color: #334155; font-size: 9px; line-height: 1.4; }
@keyframes book-cover-settle { 0%, 15%, 100% { transform: translateY(0) rotate(0); } 22%, 31% { transform: translateY(-3px) rotate(-1deg); } 40%, 100% { transform: translateY(0) rotate(0); } }
@keyframes book-page-read { 0%, 35%, 100% { transform: perspective(550px) rotateY(0); } 45%, 68% { transform: perspective(550px) rotateY(-4deg); } 74%, 92% { transform: perspective(550px) rotateY(0); } }
@keyframes book-progress { 0%, 18%, 100% { width: 24%; } 35%, 80% { width: 42%; } }
@keyframes story-answer-select { 0%, 24%, 100% { background: var(--white); transform: translate(0, 0); box-shadow: 2px 2px 0 var(--ink); } 32%, 83% { background: var(--green-soft); transform: translate(2px, 2px); box-shadow: 0 0 0 var(--ink); } }
@keyframes story-answer-mark { 0%, 30%, 100% { opacity: 0; transform: scale(.75); } 36%, 84% { opacity: 1; transform: scale(1); } }
@keyframes story-feedback-show { 0%, 35%, 100% { opacity: 0; transform: translateY(12px); } 43%, 85% { opacity: 1; transform: translateY(0); } }

.resource-links { padding-top: 66px; padding-bottom: 80px; }
.resource-links .section-heading { margin-bottom: 30px; }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.resource-card { min-height: 225px; display: flex; flex-direction: column; align-items: flex-start; padding: 24px; border: 2px solid var(--ink); border-radius: 7px; background: #dce7ff; box-shadow: 5px 5px 0 var(--ink); color: var(--ink); text-decoration: none; transition: transform .16s ease, box-shadow .16s ease; }
.resource-card-reading { background: #ffedd5; }
.resource-card:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }
.resource-card > span { color: var(--blue-dark); font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.resource-card h3 { margin: 13px 0 9px; font-size: 22px; font-weight: 900; letter-spacing: -.05em; line-height: 1.1; }
.resource-card p { max-width: 480px; margin: 0 0 18px; color: #334155; font-size: 12px; line-height: 1.6; }
.resource-card > b { margin-top: auto; color: var(--blue-dark); font-size: 11px; font-weight: 900; }
.resource-card > b i { margin-left: 5px; font-style: normal; }

.seo-page { padding-top: 34px; padding-bottom: 80px; }
.seo-breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; color: #475569; font-size: 11px; font-weight: 700; }
.seo-breadcrumbs a { color: var(--blue-dark); text-underline-offset: 2px; }
.seo-hero { padding: clamp(24px, 5vw, 52px); border: 2px solid var(--ink); border-radius: 8px; background: #dce7ff; box-shadow: 7px 7px 0 var(--ink); }
.seo-hero-reading { background: #ffedd5; }
.seo-hero .eyebrow { display: inline-block; padding: 7px 10px; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--yellow); color: var(--ink); font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.seo-hero h1 { max-width: 850px; margin: 0 0 18px; font-size: clamp(39px, 6vw, 64px); line-height: 1.02; }
.seo-hero > p:not(.eyebrow) { max-width: 760px; margin: 0; color: #334155; font-size: 15px; line-height: 1.75; }
.seo-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 25px; }
.seo-fact { min-height: 104px; display: flex; flex-direction: column; justify-content: center; padding: 15px; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--white); box-shadow: 3px 3px 0 var(--ink); }
.seo-fact b { color: var(--blue-dark); font-size: 23px; font-weight: 900; letter-spacing: -.05em; }
.seo-fact span { margin-top: 4px; color: #334155; font-size: 10px; font-weight: 750; line-height: 1.45; }
.seo-content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 34px; }
.seo-content-card { padding: 23px; border: 2px solid var(--ink); border-radius: 7px; background: var(--white); box-shadow: 4px 4px 0 var(--ink); }
.seo-content-card h2 { margin: 0 0 10px; color: var(--ink); font-size: 20px; font-weight: 900; letter-spacing: -.045em; }
.seo-content-card p, .seo-content-card li { color: #334155; font-size: 12px; line-height: 1.75; }
.seo-content-card p:last-child { margin-bottom: 0; }
.seo-content-card ul { margin: 11px 0 0; padding-left: 19px; }
.seo-note { margin-top: 25px; padding: 16px 18px; border-left: 5px solid var(--blue); background: #f3f4f6; color: #334155; font-size: 11px; line-height: 1.7; }
.seo-next-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.seo-next-links a { display: inline-flex; align-items: center; gap: 7px; padding: 10px 13px; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--yellow); box-shadow: 3px 3px 0 var(--ink); color: var(--ink); font-size: 11px; font-weight: 850; text-decoration: none; }

@media (max-width: 900px) {
  .content-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reading-feature { grid-template-columns: minmax(0, .95fr) minmax(280px, .9fr); gap: 22px; padding: 27px; }
}
@media (max-width: 680px) {
  .content-stats { gap: 11px; padding-top: 0; padding-bottom: 48px; }
  .content-stat { min-height: 132px; padding: 14px 12px; box-shadow: 3px 3px 0 var(--ink); }
  .content-stat strong { font-size: 27px; }
  .content-stat > span { font-size: 10px; }
  .content-stat small { font-size: 9px; }
  .reading-library { padding-top: 25px; padding-bottom: 56px; }
  .reading-library .showcase-heading h2 { font-size: 36px; }
  .reading-feature { grid-template-columns: 1fr; gap: 19px; padding: 21px; }
  .reading-story-feature .reading-feature-copy, .reading-story-feature .story-quiz-preview { order: initial; }
  .reading-feature-copy h3 { font-size: 32px; }
  .reading-feature-copy > p:not(.eyebrow, .reading-count) { font-size: 12px; }
  .book-preview, .story-quiz-preview { min-height: 405px; }
  .preview-sticker { right: 2px; }
  .resource-links { padding-top: 45px; padding-bottom: 58px; }
  .resource-grid { grid-template-columns: 1fr; gap: 14px; }
  .resource-card { min-height: 200px; padding: 20px; }
  .seo-page { padding-top: 24px; padding-bottom: 58px; }
  .seo-hero { padding: 22px; box-shadow: 5px 5px 0 var(--ink); }
  .seo-hero h1 { font-size: 39px; }
  .seo-hero > p:not(.eyebrow) { font-size: 13px; }
  .seo-facts { grid-template-columns: 1fr; gap: 10px; }
  .seo-fact { min-height: 80px; }
  .seo-content-grid { grid-template-columns: 1fr; gap: 13px; margin-top: 24px; }
  .seo-content-card { padding: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  .book-preview-cover, .book-preview-page, .book-preview-progress i, .story-quiz-options > .story-quiz-answer, .story-quiz-answer i, .story-quiz-feedback { animation: none; }
  .book-preview-progress i { width: 42%; }
  .story-quiz-options > .story-quiz-answer { background: var(--green-soft); transform: translate(2px, 2px); box-shadow: 0 0 0 var(--ink); }
  .story-quiz-answer i { opacity: 1; transform: none; }
  .story-quiz-feedback { opacity: 1; transform: none; }
}