:root{--paper:#f5eedb;--ink:#243e48;--red:#c44226;--muted:#596c70;--line:#d4cdbb;--blue:#bfd2d4;--white:#fcf8ed;--serif:Georgia,'Times New Roman',serif;--sans:'Avenir Next',Avenir,'Segoe UI',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:6px}img{display:block;max-width:100%;height:auto}p,h1,h2,h3{margin:0}p+p{margin-top:18px}h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.055em;line-height:1.04}h1{font-size:clamp(64px,6.7vw,102px)}h2{font-size:clamp(42px,4.5vw,66px)}h3{font-size:23px;line-height:1.3;letter-spacing:-.025em}em{font-weight:400;color:var(--red)}.wrap{width:min(1240px,calc(100% - 112px));margin-inline:auto}.header{height:114px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{font-weight:800;font-size:44px;letter-spacing:-3px;line-height:1;display:inline-flex;align-items:baseline;white-space:nowrap}.brand-dot{color:var(--red)}.brand-small{font-size:11px;letter-spacing:2px;margin-left:10px;font-weight:600}.header nav{display:flex;gap:32px;font-size:14px;font-weight:600}.header nav a:hover,.footer a:hover{color:var(--red)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;background:var(--red);color:#fff9ec;padding:15px 26px;border:1px solid var(--red);border-radius:4px;font-size:15px;font-weight:600;transition:background .2s,transform .2s}.button:hover{background:#a7351e;transform:translateY(-2px)}.button-small{font-size:14px;min-height:44px;padding:10px 21px}.hero{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:36px;padding-top:66px;padding-bottom:77px}.eyebrow{font-size:11px;letter-spacing:2.2px;font-weight:700;margin-bottom:25px}.hero h1{margin-left:-4px}.lead{font-size:17px;max-width:420px;line-height:1.8;margin-top:28px}.hero-actions{display:flex;align-items:center;gap:22px;margin-top:31px}.platform{font-size:13px;line-height:1.5}.platform small{font-size:12px;color:var(--muted)}.trust{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;margin-top:26px;color:var(--muted)}.trust span:before{content:'✓';margin-right:7px;color:var(--red)}.hero-visual{position:relative;min-width:0;padding-top:28px}.scene-frame{position:relative;width:100%;aspect-ratio:1/.85;overflow:hidden;border-radius:48% 48% 4px 4px;background:#f4edd9;box-shadow:0 20px 45px -38px #243e4880}.hero-scene{position:absolute;width:100%;max-width:none;height:auto;top:-33%;mix-blend-mode:multiply}.hero-note{position:absolute;right:-8px;top:8px;transform:rotate(8deg)}.note{background:var(--white);padding:12px 21px;font:italic 21px var(--serif);box-shadow:0 3px 10px #243e4810}.scene-caption{display:flex;justify-content:space-between;gap:16px;font-size:11px;border-top:1px solid var(--line);padding-top:18px;margin-top:24px}.scene-caption span:first-child{font-size:10px;letter-spacing:1.5px}.intro-strip{border-block:1px solid var(--line)}.strip-inner{display:grid;grid-template-columns:1.4fr repeat(3,1fr);padding-block:29px;align-items:center;gap:32px}.strip-inner p{font-size:16px;line-height:1.5}.strip-inner div{display:flex;gap:16px;align-items:center}.strip-inner b{font:42px var(--serif);letter-spacing:-2px}.strip-inner div span{font-size:12px;max-width:100px;line-height:1.5;color:var(--muted)}.section{padding-block:100px}.section-heading>p:last-child{max-width:475px;color:var(--muted);margin-top:25px}.story{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:start}.steps{padding-top:6px}.steps article{display:grid;grid-template-columns:48px 1fr;column-gap:18px;padding:25px 0;border-bottom:1px solid var(--line)}.steps article:first-child{padding-top:0}.step-no{grid-row:span 2;font:italic 26px var(--serif);color:var(--red)}.steps p{margin-top:10px;color:var(--muted);font-size:16px}.books-section{background:#e9e7d9;border-block:1px solid var(--line)}.split-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:48px}.split-heading>p:last-child{max-width:345px;margin-bottom:4px}.explorer{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}.book-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.book{position:relative;border:1px solid #d8d5c7;border-radius:3px;background:var(--white);padding:22px 16px 20px;text-align:left;cursor:pointer;display:flex;flex-direction:column;min-height:191px;box-shadow:1px 3px 0 #d6d2c350;transition:transform .2s,border-color .2s,box-shadow .2s}.book:hover{transform:translateY(-4px)}.book.active{border-color:var(--red);box-shadow:0 0 0 1px var(--red)}.book-symbol{width:45px;height:49px;display:grid;place-items:center;color:var(--white);font:29px var(--serif);margin-bottom:17px;transform:rotate(6deg);border-radius:2px;box-shadow:3px 4px 0 #243e4814}.book:nth-child(even) .book-symbol{transform:rotate(-5deg)}.red{background:#d94f2d}.blue{background:#547d87}.gold{background:#ad8732}.green{background:#668675}.violet{background:#74748c}.clay{background:#b86f53}.olive{background:#7d874f}.book-no{position:absolute;top:23px;right:16px;color:var(--muted);font:italic 15px var(--serif)}.book strong{font-size:15px;line-height:1.35;margin-bottom:6px}.book>span:last-child{font-size:14px;color:var(--muted);line-height:1.5}.book-preview{background:var(--blue);padding:27px 26px 0;border-radius:4px;overflow:hidden;min-height:602px}.preview-copy .eyebrow{font-size:10px;margin-bottom:10px}.preview-copy h3{font:32px var(--serif)}.preview-copy>p:last-child{font-size:16px;line-height:1.6;margin-top:12px;min-height:90px}.phone{margin:22px auto 0;width:205px;border:6px solid var(--ink);border-radius:26px;overflow:hidden;box-shadow:7px 12px 24px #243e4825;background:var(--paper)}.phone img{width:100%;height:auto}.book-preview .phone{max-height:none}.preview-caption{text-align:center;padding:13px 0;font-size:10px}.book-footnote{border-top:1px solid #c9c9bb;margin-top:30px;padding-top:21px;display:flex;justify-content:space-between;gap:20px;font-size:12px}.parents-section{background:var(--ink);color:var(--paper)}.parents-section .eyebrow{color:#bbd0d2}.parents-section em{color:#edb16e}.parents-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px}.parents-heading>p{max-width:300px;color:#c3d0cd;font-size:16px}.parents-heading h2{font-size:clamp(39px,4.2vw,61px)}.parent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-top:58px}.parent-grid article{border-top:1px solid #6a7c7c;padding-top:23px}.feature-mark{font-size:10px;letter-spacing:1.8px;color:#b9cfce}.parent-grid h3{font:29px/1.25 var(--serif);margin:24px 0 17px}.parent-grid p{color:#c3d0cd;font-size:16px;max-width:295px}.text-link{display:inline-block;text-decoration:underline;text-underline-offset:6px;font-size:14px;margin-top:28px}.text-link:hover{color:var(--red)}.text-link.light:hover{color:#edb16e}.extra{display:grid;grid-template-columns:1fr 1fr;gap:95px;align-items:center}.ar-label{display:inline-block;border:1px solid var(--ink);border-radius:12px;font-size:24px;padding:5px 16px;margin-bottom:23px}.large-copy{font:28px/1.4 var(--serif);letter-spacing:-.5px}.extra-copy>p:not(.large-copy){color:var(--muted);font-size:16px}.small-note{display:block;font-size:12px;color:var(--muted);margin-top:22px;line-height:1.6}.faq-section{background:#eee8d7;border-block:1px solid var(--line)}.faq-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:90px}.faq-list details{border-bottom:1px solid #cfc8b6}.faq-list details:first-child{border-top:1px solid #cfc8b6}.faq-list summary{list-style:none;padding:23px 35px 23px 0;position:relative;font-weight:600;font-size:15px;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';position:absolute;right:4px;top:17px;font:28px var(--serif);color:var(--red)}.faq-list details[open] summary:after{content:'−'}.faq-list details p{padding:0 30px 24px 0;color:var(--muted);font-size:16px}.start-section{text-align:center;padding-block:88px 96px}.app-icon{border-radius:19px;margin:0 auto 28px;width:76px;height:76px;box-shadow:0 5px 15px #243e4817}.start-section .eyebrow{margin-bottom:18px}.start-section>p:not(.eyebrow){margin-top:23px;color:var(--muted)}.release-label{display:inline-block;background:var(--ink);color:var(--paper);padding:15px 25px;border-radius:4px;margin-top:27px;font-weight:600;font-size:15px}.store-link{margin-top:27px}.start-section .small-note{margin-top:16px}.footer{border-top:1px solid var(--line);padding-block:36px;display:flex;align-items:center;gap:30px;flex-wrap:wrap}.footer .brand{font-size:34px}.footer>span{font-size:12px;color:var(--muted)}.footer nav{display:flex;gap:24px;margin-left:auto;font-size:12px}.footer small{font-size:11px;width:100%;color:var(--muted)}.skip{position:fixed;top:-100px;left:15px;background:var(--ink);color:white;padding:10px;z-index:10}.skip:focus{top:15px}[hidden]{display:none!important}.document{max-width:780px;padding-block:70px 100px;min-height:70vh}.document h1{font-size:clamp(45px,6vw,70px);margin-bottom:30px}.document h2{font:29px var(--serif);letter-spacing:-.8px;margin:38px 0 14px}.document p,.document li{color:var(--muted)}.document a:not(.button){text-decoration:underline;text-underline-offset:4px}.document .eyebrow{color:var(--red)}.document .button{margin-top:25px}.document ul{padding-left:23px}.document li{margin:10px 0}.doc-meta{font-size:13px;margin-bottom:30px}
@media(min-width:1500px){.hero{gap:70px}.hero-scene{top:-33%}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{gap:28px}.hero-actions{gap:14px}.platform{font-size:11px}.hero-actions .button{padding-inline:19px}.story,.extra{gap:50px}.explorer{gap:22px;grid-template-columns:1.45fr 1fr}.book{padding:17px 13px;min-height:190px}.book strong{font-size:15px}.book-preview{padding-inline:20px}.parents-heading{gap:30px}.parent-grid{gap:30px}.faq-layout{gap:45px}.scene-caption span:last-child{display:none}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.header{height:88px}.header nav{display:none}.brand{font-size:38px}.hero{grid-template-columns:1fr;gap:18px;padding-top:46px;padding-bottom:45px}.hero-copy{max-width:520px}.hero h1{font-size:clamp(62px,11vw,88px)}.hero .lead{max-width:440px}.hero-visual{width:min(540px,100%);justify-self:center;padding-top:20px}.scene-frame{aspect-ratio:1/.78;border-radius:42% 42% 4px 4px}.hero-scene{top:-40%}.hero-note{top:12px;right:4px}.scene-caption span:last-child{display:block}.strip-inner{grid-template-columns:repeat(3,1fr);gap:20px;padding-block:26px}.strip-inner>p{grid-column:1/-1}.strip-inner>p br{display:none}.strip-inner>p strong{margin-left:5px}.strip-inner div{gap:10px}.strip-inner b{font-size:34px}.strip-inner div span{font-size:11px}.section{padding-block:66px}.story,.extra{grid-template-columns:1fr;gap:38px}.section-heading>p:last-child{max-width:550px}.steps article{padding-block:24px}.split-heading{display:block;margin-bottom:34px}.split-heading>p:last-child{max-width:480px}.explorer{grid-template-columns:1fr 1fr}.book-grid{grid-template-columns:repeat(2,1fr);gap:10px}.book{min-height:162px}.book-preview{position:sticky;top:20px;min-height:580px}.preview-copy>p:last-child{min-height:115px}.book-footnote{flex-direction:column;gap:9px}.parents-heading{display:block}.parents-heading>p{margin-top:25px;max-width:480px}.parent-grid{gap:22px}.parent-grid h3{font-size:25px}.parent-grid p{font-size:16px}.faq-layout{grid-template-columns:1fr;gap:34px}.footer nav{margin-left:0;width:100%}.footer{gap:20px}.extra-copy{max-width:560px}}
@media(max-width:520px){.header .button{min-height:40px;padding:8px 14px;font-size:12px}.brand{font-size:35px}.brand-small{font-size:9px;margin-left:7px}.hero{padding-top:36px}.eyebrow{font-size:10px;letter-spacing:1.6px;margin-bottom:21px}.hero h1{font-size:64px;letter-spacing:-4px}.hero .lead{font-size:16px;line-height:1.75}.hero .lead br{display:none}.hero-actions{gap:17px}.hero-actions .button{font-size:13px;padding-inline:18px}.platform{font-size:11px}.platform small{font-size:10px}.trust{gap:13px;font-size:11px}.hero-note{font-size:18px;padding:9px 14px}.scene-caption{font-size:9px}.scene-caption span:first-child{font-size:8px}.strip-inner{gap:14px}.strip-inner div{flex-direction:column;align-items:start;gap:4px}.strip-inner div span{max-width:100px}.explorer{grid-template-columns:1fr}.book-grid{grid-template-columns:repeat(2,1fr);gap:12px}.book{padding:14px 10px;min-height:159px}.book-symbol{width:34px;height:38px;font-size:25px}.book-no{font-size:12px;right:10px;top:14px}.book strong{font-size:15px}.book>span:last-child{font-size:13px}.book-preview{position:static;min-height:0;display:grid;grid-template-columns:1fr 1fr;padding:25px 18px 0;gap:14px;align-items:start}.preview-copy{padding-top:12px}.preview-copy h3{font-size:28px;overflow-wrap:anywhere}.preview-copy>p:last-child{font-size:14px;min-height:0}.book-preview .phone{width:100%;margin-top:0;max-height:none;border-width:4px;border-radius:20px}.preview-caption{grid-column:1/-1;padding:0 0 12px}.parent-grid{grid-template-columns:1fr;gap:30px;margin-top:40px}.parent-grid h3 br{display:none}.parent-grid h3{margin:14px 0 12px}.parent-grid p{max-width:100%}.parent-grid h3{font-size:27px}.extra .large-copy{font-size:25px}.footer>span{font-size:11px}.footer nav{gap:19px;font-size:11px}.document{padding-block:45px 65px}.section-heading h2,.extra h2{font-size:45px}.parents-heading h2{font-size:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Language navigation and typography for translated content. */
.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}
.language-picker{display:flex;gap:6px;align-items:center;flex-shrink:0;color:var(--ink)}
.language-picker>span[aria-hidden]{font-size:25px;line-height:1}
.language-picker select{font:500 13px var(--sans);color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:4px;min-height:40px;padding:6px 20px 6px 9px;max-width:148px;cursor:pointer}
.language-picker select:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.language-fallback{padding-block:15px;display:flex;flex-wrap:wrap;gap:15px;font-size:14px}
.header{gap:20px}.header nav{gap:24px}.header>nav{margin-left:auto}
html:not([lang="pl"]) h1{font-size:clamp(50px,5.5vw,83px);overflow-wrap:anywhere;hyphens:auto}
html:not([lang="pl"]) h2{font-size:clamp(38px,4vw,60px);overflow-wrap:anywhere;hyphens:auto}
.book strong,.book span,.preview-copy h3,.button{overflow-wrap:anywhere;hyphens:auto}
.hero-copy,.section-heading,.parents-heading>*{min-width:0}
:lang(zh-Hans),:lang(ja),:lang(ko){word-break:normal}
html:lang(zh-Hans){--sans:'PingFang SC','Microsoft YaHei',sans-serif;--serif:'Songti SC','Noto Serif CJK SC',serif}
html:lang(ja){--sans:'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;--serif:'Hiragino Mincho ProN','Yu Mincho',serif}
html:lang(ko){--sans:'Apple SD Gothic Neo','Malgun Gothic',sans-serif;--serif:'AppleMyungjo','Batang',serif}
:lang(zh-Hans) h1,:lang(ja) h1,:lang(ko) h1,:lang(zh-Hans) h2,:lang(ja) h2,:lang(ko) h2{letter-spacing:0;line-height:1.24}
:lang(zh-Hans) em,:lang(ja) em,:lang(ko) em{font-style:normal}
:lang(zh-Hans) .eyebrow,:lang(ja) .eyebrow,:lang(ko) .eyebrow{letter-spacing:.06em}
:lang(zh-Hans) .book strong,:lang(ja) .book strong,:lang(ko) .book strong{word-break:keep-all}
@media(max-width:1150px){.header nav{gap:16px}.header .button-small{padding-inline:13px}.header{gap:14px}}
@media(max-width:1020px){.header nav{display:none}.header>.button-small{margin-left:auto}.language-picker select{max-width:145px}}
@media(max-width:600px){.header>.button-small{display:none}.header{justify-content:space-between}.language-picker select{max-width:158px}.hero-actions{flex-wrap:wrap}.hero .platform{font-size:12px}.hero .platform small{font-size:11px}html:not([lang="pl"]) h1{font-size:clamp(38px,10vw,59px);letter-spacing:-.035em}html:lang(zh-Hans) h1,html:lang(ja) h1,html:lang(ko) h1{font-size:48px;letter-spacing:0}html:not([lang="pl"]) h2{font-size:38px}.split-heading h2{font-size:40px}.parents-heading h2{font-size:36px}.book-preview{grid-template-columns:1fr}.book-preview .phone{max-width:200px;margin-inline:auto}.book-no{right:8px}.footer nav{flex-wrap:wrap}.scene-caption{flex-wrap:wrap}.preview-copy>p:last-child{font-size:15px}}
@media(max-width:360px){.language-picker>span[aria-hidden]{display:none}.language-picker select{max-width:132px}.header{gap:10px}.brand{font-size:32px}.brand-small{font-size:8px}}