@font-face{font-family:Literata;src:url('assets/literata-bold.ttf') format('truetype');font-weight:800;font-display:swap}@font-face{font-family:Literata;src:url('assets/literata-regular.ttf') format('truetype');font-weight:400;font-display:swap}
:root{--ink:#063a3b;--blue:#b9e6f5;--green:#e3efd3;--paper:#fffdf5;--teal:#00617a;--ease:cubic-bezier(.23,1,.32,1)}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-color:var(--teal) var(--blue);scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font:17px/1.6 Arial,sans-serif}::selection{background:#00617a;color:white}a{color:inherit;text-decoration:none;text-underline-offset:5px}button{font:inherit;color:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:6px}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:Literata,Georgia,serif;text-wrap:balance;line-height:1.12;letter-spacing:-.035em}h2{font-size:clamp(32px,3.4vw,52px)}h3{font-size:25px}.skip{position:fixed;left:16px;top:-70px;background:white;padding:10px;z-index:10}.skip:focus{top:12px}.sky{background:var(--blue)}header{max-width:1200px;padding:20px 24px 10px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:14px;align-items:center}.brand span{font:800 27px/.97 Literata,Georgia,serif;letter-spacing:-.035em}.brand img{width:50px}nav{display:flex;gap:42px;font-size:16px;font-weight:600}nav a{padding:8px 0}.languages{display:flex;gap:8px;align-items:center}.languages button{border:0;background:none;cursor:pointer;padding:8px 6px;min-width:40px;min-height:44px;font-size:14px;position:relative}.languages button+button:before{content:'/';position:absolute;left:-6px;color:#2c6069}.languages button[aria-pressed=true]:after{content:'';position:absolute;bottom:5px;left:9px;right:9px;height:2px;background:var(--ink)}.hero{text-align:center;padding:10px 0 16px}.hero h1{font-size:clamp(42px,6.1vw,94px);margin:4px auto 4px;max-width:1400px;padding:0 20px;line-height:1.14}.subtitle{font-family:Literata,Georgia,serif;font-size:clamp(16px,1.65vw,25px);padding:0 24px;line-height:1.5}.spread{position:relative;width:88%;max-width:1390px;margin:8px auto 0;aspect-ratio:2.4/1;isolation:isolate;animation:book-arrive 900ms var(--ease) both}.book-shell{position:absolute;width:100%;height:100%;inset:0;filter:drop-shadow(0 12px 10px #17526035);z-index:-1}.illustrated-page{position:absolute;left:4.8%;top:8%;width:44.7%;height:80.5%;overflow:hidden;transform:perspective(1200px) rotateY(2deg);border-radius:40% 6% 4% 2%/2% 3% 2% 2%}.illustrated-page img{width:100%;height:100%;object-fit:fill;object-position:center 48%}.illustrated-page:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 80%,#45382325)}.order-page{position:absolute;left:52%;top:10%;width:42%;height:78%;display:flex;align-items:center;flex-direction:column}.order-page h2{font-size:clamp(18px,1.9vw,29px);font-weight:800;letter-spacing:-.025em;line-height:1.15}.editions{display:flex;gap:28px;width:78%;margin:20px auto 12px}.edition{flex:1;min-width:0;display:flex;align-items:center;flex-direction:column;font-size:clamp(12px,1.04vw,16px);line-height:1.35}.cover{width:100%;box-shadow:3px 6px 5px #062d3a35;aspect-ratio:1;object-fit:cover}.soft{transform:rotate(-7deg);margin:0 0 18px}.hard{transform:rotate(7deg);border-left:6px solid #336792;border-bottom:5px solid #174c66;border-radius:4px 1px 1px 4px;margin:0 0 18px}.edition strong{font-size:clamp(22px,2vw,32px);line-height:1.2;font-variant-numeric:tabular-nums}.cta{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:54px;padding:12px 30px;background:var(--teal);border-radius:40px;color:white;font-size:19px;font-weight:600;line-height:1.35;transition:background 180ms var(--ease),transform 180ms var(--ease)}.order-page .cta{min-height:48px;padding:10px 28px;font-size:clamp(14px,1.4vw,21px);width:65%}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;flex-shrink:0}.discover{display:flex;align-items:center;justify-content:center;gap:16px;margin:8px auto 0;font-size:17px;min-height:44px}.discover svg{width:38px;height:38px;stroke-width:1.5}.section-inner{max-width:1170px;margin:auto;padding:0 32px}.adventure{background:var(--green);padding:60px 0 72px;overflow:hidden}.adventure-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.feature-book{width:90%;transform:rotate(-10deg);border-left:12px solid #466ea1;border-bottom:9px solid #265570;border-radius:8px 2px 2px 8px;box-shadow:10px 22px 24px #183c3d40}.story-copy h2{margin-bottom:24px}.story-copy p{font-family:Literata,Georgia,serif;font-size:19px;line-height:1.6;max-width:48ch}.story-copy .language-note{font-family:Arial,sans-serif;font-size:16px;margin-top:20px}.story-copy .cta{margin-top:26px}.how{padding-top:90px;padding-bottom:100px;background:var(--paper);max-width:none}.how>h2,.how>ol{max-width:1106px;margin:auto}.how ol{display:grid;grid-template-columns:repeat(3,1fr);gap:60px;list-style:none;counter-reset:steps;padding:0}.how li{counter-increment:steps;padding-top:42px}.how li:before{content:counter(steps,decimal-leading-zero);display:block;font:400 30px Literata,serif;margin-bottom:22px;color:var(--teal)}.how h3{margin-bottom:15px}.how p{max-width:34ch}.faq{background:#f3f3e7;padding:80px 0}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}details{border-bottom:1px solid #8fa5a0;padding:20px 0}details:first-child{padding-top:0}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;font-weight:600;font-size:20px;min-height:44px}summary::-webkit-details-marker{display:none}summary:after{content:'+';font:400 27px Arial}details[open] summary:after{content:'−'}details p{padding-top:15px;max-width:60ch}.closing{text-align:center;padding:75px 24px 85px;background:var(--blue)}.closing h2{margin:0 auto 30px;max-width:900px}footer{max-width:1200px;margin:auto;display:flex;gap:30px;align-items:center;justify-content:space-between;padding:34px 24px;font-size:14px}footer a{display:flex;gap:10px;align-items:center}.footer-brand{font:800 20px Literata,serif}footer svg{width:18px}html[lang=ru] .hero h1{font-size:clamp(39px,5.3vw,82px)}@keyframes book-arrive{from{transform:translateY(14px) rotateX(3deg)}to{transform:translateY(0) rotateX(0)}}@media(hover:hover){nav a:hover,footer a:hover{text-decoration:underline}.cta:hover{background:#034c60;transform:translateY(-2px)}.languages button:hover{color:#00617a}}@media(min-width:1600px){.hero{padding-top:30px;padding-bottom:32px}}@media(max-width:1050px){header{padding:18px 28px}.brand span{font-size:22px}nav{gap:20px;font-size:14px}.spread{width:96%}.editions{gap:22px;margin:14px auto 8px}.soft,.hard{margin-bottom:12px}.order-page .cta{min-height:44px;padding:8px 16px}.adventure-grid{gap:60px}.how ol{gap:30px}.faq-grid{gap:35px}}@media(max-width:900px){header{flex-wrap:wrap;padding:18px 20px 12px;gap:12px}.brand span{font-size:22px}.brand img{width:40px}.brand{gap:9px}nav{order:3;width:100%;justify-content:center;gap:28px;padding-top:4px;font-size:13px}.hero{padding-top:14px}.hero h1{font-size:46px;line-height:1.08;padding:0 18px;max-width:540px}.subtitle{font-size:17px;margin:14px auto 20px;max-width:470px}.spread{width:calc(100% - 32px);max-width:480px;aspect-ratio:auto;padding:8px;background:#fffdf7;border:6px solid #15546a;border-radius:7px;box-shadow:4px 12px 18px #18526330;animation:none}.book-shell{display:none}.illustrated-page{position:relative;inset:auto;width:100%;height:auto;aspect-ratio:1;transform:none;border-radius:0}.illustrated-page:after{display:none}.order-page{position:relative;inset:auto;width:100%;height:auto;padding:25px 12px 22px}.order-page h2{font-size:24px}.editions{width:90%;max-width:320px;margin:27px auto 20px;gap:25px}.edition{font-size:14px}.edition strong{font-size:28px}.soft,.hard{margin-bottom:18px}.order-page .cta{font-size:18px;width:95%;min-height:52px}.discover{margin-top:19px;font-size:15px}.hero{padding-bottom:22px}.adventure{padding:50px 0}.adventure-grid{grid-template-columns:1fr;gap:48px}.feature-book{width:75%;max-width:330px;margin:auto;transform:rotate(-7deg)}.story-copy h2{font-size:36px}.story-copy p{font-size:18px}.section-inner{padding-left:25px;padding-right:25px}.how{padding-top:56px;padding-bottom:60px}.how ol{grid-template-columns:1fr;gap:0}.how li{padding-top:30px;display:grid;grid-template-columns:42px 1fr;column-gap:12px}.how li:before{grid-row:1/3;font-size:25px;margin-top:-3px}.how h3{font-size:24px;margin-bottom:8px}.how p{grid-column:2;max-width:none}.faq{padding:55px 0}.faq-grid{grid-template-columns:1fr;gap:32px}.faq h2 br{display:none}summary{font-size:18px}.closing{padding:55px 25px}footer{flex-wrap:wrap;gap:20px;padding:28px 25px}footer>span{width:100%;font-size:12px}html[lang=ru] .hero h1{font-size:40px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

@media(min-width:901px){header{padding-top:14px;padding-bottom:6px}.hero{padding-top:0}.hero h1{font-size:clamp(42px,5.55vw,85px)}.spread{aspect-ratio:2.55;margin-top:-20px}.editions{width:74%;margin-top:16px;margin-bottom:10px}.order-page{top:11%}.order-page h2{font-size:clamp(18px,1.7vw,26px)}.soft,.hard{margin-bottom:14px}.order-page .cta{width:60%;padding:10px 20px}.discover{margin-top:0}.adventure{padding-top:40px}}
@media(min-width:901px) and (max-width:1150px){.editions{width:68%;margin-top:10px;margin-bottom:6px}.order-page h2{font-size:20px}.soft,.hard{margin-bottom:9px}.edition strong{font-size:25px}.order-page .cta{min-height:44px;font-size:15px}.edition{font-size:13px}}
@font-face{font-family:Literata;src:url('assets/literata-semibold.ttf') format('truetype');font-weight:600;font-display:swap}h2,h3{font-weight:600}.faq h2 br{display:initial}.adventure{position:relative}.adventure-grid{position:relative;z-index:1}.leaf{position:absolute;width:260px;bottom:-10px;pointer-events:none}.leaf-left{left:-90px}.leaf-right{right:-90px;transform:scaleX(-1)}@media(max-width:1150px){.leaf{width:190px;opacity:.8}.leaf-left{left:-110px}.leaf-right{right:-110px}}@media(max-width:900px){.leaf{display:none}}

.order-page h2{font-weight:600}.leaf{width:340px;bottom:0}.leaf-left{left:-150px}.leaf-right{right:-150px}
@media(min-width:901px){.order-page{top:10%}.editions{width:70%;margin-top:14px;margin-bottom:8px}.soft,.hard{margin-bottom:10px}}
.hero h1,.brand span{font-weight:600}.leaf{top:20px;bottom:auto;width:520px}.leaf-left{left:-190px}.leaf-right{right:-190px}@media(min-width:901px){.spread{aspect-ratio:2.4}.illustrated-page img{object-fit:cover;object-position:center}}@media(min-width:901px) and (max-width:1150px){.leaf{width:390px}.leaf-left{left:-220px}.leaf-right{right:-220px}}

.illustrated-page picture{display:block;width:100%;height:100%}
@media(min-width:1151px){.leaf{width:420px;top:20px}.leaf-left{left:-50px}.leaf-right{right:-50px}}
/* Manual page-turn sequence. The gutter stays fixed while a sheet rotates. */
.spread{perspective:1800px}.spread:focus-visible{outline:3px solid var(--teal);outline-offset:8px}.book-controls{display:flex;align-items:center;justify-content:center;gap:24px;max-width:740px;padding:4px 20px 12px;margin:auto}.book-controls[hidden]{display:none}.book-controls button{border:1px solid #407780;background:transparent;display:inline-flex;gap:10px;align-items:center;justify-content:center;border-radius:30px;min-height:46px;min-width:120px;padding:8px 16px;cursor:pointer;transition:background 160ms ease}.book-controls button:disabled{opacity:.4;cursor:default}#book-status{font-size:14px;text-align:center;min-width:190px}.example-art img{object-fit:contain!important;background:#fffdf7}.example-copy{justify-content:center;gap:20px;padding:0 7% 0 4%;width:46%;left:51%;height:77%}.example-copy h2{font-size:clamp(22px,2.2vw,34px)}.page-description{font-family:Literata,Georgia,serif;font-size:clamp(15px,1.3vw,20px);line-height:1.6}.page-note{font-size:clamp(13px,1.05vw,16px);line-height:1.45}.example-copy .cta{width:auto;max-width:100%;flex-shrink:0}.turning-sheet{position:absolute;top:8%;width:45%;height:80.5%;z-index:5;transform-style:preserve-3d;pointer-events:none}.turning-sheet.forward{left:50%;transform-origin:left center}.turning-sheet.backward{left:5%;transform-origin:right center}.turn-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;background:#fffdf7;box-shadow:4px 8px 20px #163d3b25}.turn-back{transform:rotateY(180deg)}.face-art img,.face-art picture{display:block;width:100%;height:100%;object-fit:contain}.face-copy{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:18px 25px}.face-copy h2{font-size:clamp(18px,1.9vw,29px)}.face-copy .editions{margin:0 auto;width:75%}.face-copy .cta{font-size:16px;min-height:44px;padding:10px 20px}.face-copy .page-description{font-size:clamp(14px,1.2vw,19px)}
/* Keep botanical ink outside the text column. */
@media(min-width:1151px){.leaf-right{right:-220px;top:auto;bottom:0;width:420px}.story-copy{max-width:520px}}
@media(hover:hover) and (pointer:fine){.book-controls button:not(:disabled):hover{background:#ffffff66}}
@media(max-width:1150px) and (min-width:901px){.example-copy{gap:12px}.example-copy h2{font-size:23px}.page-description{font-size:15px;line-height:1.4}.page-note{font-size:13px}.example-copy .cta{font-size:14px;min-height:44px}.leaf-right{right:-250px}}
@media(max-width:900px){.example-copy{position:relative;left:auto;width:100%;height:auto;min-height:350px;padding:28px 18px;gap:18px}.example-copy h2{font-size:27px}.page-description{font-size:17px}.page-note{font-size:14px}.book-controls{flex-wrap:wrap;gap:10px;padding-top:18px;max-width:460px}.book-controls button{flex:1;min-width:120px}#book-status{order:-1;width:100%;font-size:14px}.turning-sheet{display:none}.discover{margin-top:0}}
#interactive-book{touch-action:pan-y pinch-zoom}

/* Artwork follows the visible paper surface, leaving the page block exposed. */
.page-contour-defs{position:absolute;pointer-events:none}
@media(min-width:901px){
 .illustrated-page{left:3.9%;top:7%;width:46%;height:79%;transform:none;border-radius:0;clip-path:url(#left-page-contour)}
 .illustrated-page::after{display:block;background:linear-gradient(90deg,rgba(68,57,39,.10) 0%,transparent 9%,transparent 79%,rgba(81,66,42,.10) 92%,rgba(48,38,22,.27) 100%);pointer-events:none}
 .example-art img{background:transparent}
}
/* Thin flexible sheet: narrow continuous surfaces, no per-strip borders. */
.curved-paper{position:absolute;z-index:8;transform-style:preserve-3d;pointer-events:none}
.paper-strip{position:absolute;left:0;top:0;height:100%;transform-origin:left center;transform-style:preserve-3d}
.paper-side{position:absolute;inset:0;overflow:hidden;background:#fffdf7;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.paper-reverse{transform:rotateY(180deg)}
.paper-snapshot{position:absolute;top:0;overflow:hidden;pointer-events:none;background:#fffdf7}
.stationary-paper{z-index:6;pointer-events:none}
@media(max-width:900px){.curved-paper,.stationary-paper{display:none}}
.book-controls{gap:2px;padding:0;margin:0 auto 8px;max-width:none;flex-wrap:nowrap}
.book-controls .book-dot{border:0;background:none;padding:16px;min-width:44px;min-height:44px;flex:0 0 44px;border-radius:50%;cursor:pointer}
.book-dot span{display:block;width:9px;height:9px;border-radius:50%;background:transparent;border:1.5px solid var(--ink);transition:background 160ms ease}
.book-dot[aria-current="true"] span{background:var(--ink)}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;min-width:0!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip-path:inset(50%);white-space:nowrap}
@media(hover:hover) and (pointer:fine){.book-controls .book-dot:hover{background:transparent}.book-dot:hover span{background:#407780}}
