:root{--ink:#153f34;--ink-soft:#69736b;--paper:#fffcf7;--paper-2:#fff;--line:#ecece2;--green:#267553;--green-dark:#18583e;--sage:#edf1e4;--r:22px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
html,body{margin:0;padding:0}
body{background:var(--paper);color:var(--ink);font:600 18px/1.6 "Nunito","Segoe UI",Verdana,sans-serif;-webkit-text-size-adjust:100%}
img{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;cursor:pointer}
a,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:900;line-height:1.2;letter-spacing:-.025em}
:focus-visible{outline:3px solid #28765a;outline-offset:5px}
.skip{position:fixed;top:12px;left:12px;z-index:100;transform:translateY(-160%);background:var(--ink);color:white;padding:10px 18px;border-radius:12px;text-decoration:none}
.skip:focus{transform:none}
.topnav{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:28px;padding:14px max(40px,calc((100vw - 1360px)/2));background:rgba(255,252,247,.96);backdrop-filter:blur(12px)}
.topnav-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;font-size:27px;font-weight:900;letter-spacing:-.035em}
.logo-mark{display:block;width:47px;height:47px;flex-shrink:0}
.logo-mark img{width:100%;height:100%;object-fit:contain}
.topnav-links{display:flex;align-items:center;gap:32px;justify-content:flex-end;margin-left:auto;flex:1}
.topnav-links a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-size:16px;font-weight:700;white-space:nowrap;transition:color .18s}
.topnav-links a:hover{color:var(--green)}
.lang-switch{display:inline-flex;align-items:center;gap:1px;flex-shrink:0;color:#93988f}
.lang-switch button{border:0;background:transparent;color:#7b837b;font-size:15px;padding:8px;min-width:38px;min-height:44px;font-weight:600;border-radius:8px}
.lang-switch button.active{color:var(--green-dark);font-weight:900}
.hero{position:relative;overflow:hidden}
.hero-inner{width:min(calc(100% - 80px),1360px);margin:auto;display:grid;grid-template-columns:46% 54%;align-items:center;min-height:330px}
.hero-copy{position:relative;z-index:1;padding:20px 0 28px}
.hero h1{font-size:clamp(36px,4.2vw,62px);line-height:1.09;letter-spacing:-.045em;margin:0 0 14px;white-space:pre-line}
.hero-lead{font-size:clamp(17px,1.6vw,23px);font-weight:600;color:#697268;line-height:1.5;margin:0 0 22px}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px}
.btn-play,.resume-button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:50px;padding:12px 28px;border-radius:999px;background:var(--green);color:white;text-decoration:none;font-size:17px;font-weight:900;line-height:1.4;transition:background .18s,transform .18s;text-align:center}
.btn-play:hover,.resume-button:hover{background:var(--green-dark);transform:translateY(-2px)}
.btn-play:active,.resume-button:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:800;text-underline-offset:5px}
.hero-visual{position:relative;height:350px;min-width:0}
.hero-art{position:absolute;inset:auto -28px -15px auto;width:calc(100% + 70px);max-width:none;height:390px;object-fit:contain}
.wrap{width:min(calc(100% - 80px),1360px);margin:0 auto;padding:0 0 35px}
.continue-panel{display:grid;grid-template-columns:72px minmax(200px,1fr) minmax(160px,1fr) auto;align-items:center;gap:22px;position:relative;background:var(--sage);border-radius:24px;padding:16px 28px;margin:0 0 26px;min-height:100px}
.continue-avatar{width:68px;height:68px;object-fit:cover;border:3px solid #fff;border-radius:50%;background:#fff}
.continue-copy{min-width:0}
.continue-copy h2{font-size:22px;letter-spacing:-.02em;line-height:1.25;margin:0 0 4px}
.continue-copy p{font-size:15px;font-weight:600;line-height:1.45;margin:0}
.resume-progress{display:flex;align-items:center;gap:14px;max-width:350px;width:100%;font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums}
.bar{height:9px;flex:1;min-width:0;background:#fffdf8;border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--green);border-radius:99px}
.resume-button{font-size:16px;min-width:170px;min-height:46px;padding:10px 22px}
.resume-button>span{font-size:23px;line-height:1}
.welcome-note{margin:0;text-align:center;font-size:15px;color:#63725f}
.welcome-note span{margin:0 8px}
.section-head{margin:55px 0 24px;text-align:center}
.section-head h2{font-size:clamp(25px,3vw,35px);margin:0 0 10px}
.section-head p{max-width:65ch;margin:0 auto;color:var(--ink-soft);font-size:17px;line-height:1.6}
.worlds-head{margin:0 0 16px;text-align:left}
.worlds-head h2{font-size:36px;margin:0}
.worlds-head p{display:none}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{display:block;border:1px solid rgba(26,62,43,.055);background:white;border-radius:18px;overflow:hidden;text-decoration:none;box-shadow:0 5px 18px rgba(41,63,38,.055);transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-5px);box-shadow:0 12px 28px rgba(41,63,38,.12)}
.card-banner{aspect-ratio:2.9;overflow:hidden;background:#eef0e5}
.card-banner img{width:100%;height:100%;object-fit:cover;object-position:center 47%;transition:transform .35s}
.library-world-card .card-banner img{object-position:center 40%}
.card:hover .card-banner img{transform:scale(1.035)}
.card-body{display:grid;grid-template-columns:minmax(0,1fr) 35px;align-items:center;gap:10px;padding:12px 18px 14px;min-height:72px}
.card-copy{min-width:0}
.card h3{font-size:21px;line-height:1.25;letter-spacing:-.025em;margin:0 0 1px}
.card-meta{font-size:14px;font-weight:600;color:#788076;line-height:1.5}
.card-meta .prog{display:block;color:var(--green-dark);font-size:12px;margin-top:4px}
.card-meta .bar{height:5px;background:#edf1e6;margin-top:5px;width:100%;max-width:260px}
.card-arrow{display:grid;place-items:center;align-self:center;width:35px;height:35px;border-radius:50%;background:#edf2e6;color:var(--ink);font-size:23px;font-weight:700;transition:background .18s,color .18s}
.card:hover .card-arrow{background:var(--green);color:white}
.benefits{display:flex;justify-content:center;gap:0;margin:30px 0 52px;padding:24px 0;border-bottom:1px solid var(--line)}
.benefit{display:flex;align-items:center;justify-content:center;gap:16px;padding:0 45px;font-weight:600;font-size:17px;line-height:1.4}
.benefit+.benefit{border-left:1px solid #dbe2d6}
.benefit svg{width:35px;height:35px;flex-shrink:0;color:#2e7857}
.about-section{background:#f1f4eb;border-radius:28px;padding:28px 38px 26px}
.about-section .section-head{margin:0 0 20px;text-align:left}
.about-section .section-head p{margin:0;max-width:75ch}
.seo-block p{max-width:95ch;margin:0 0 14px;color:#61715f;font-size:16px;font-weight:600;line-height:1.75}
.stats{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:25px 0 0}
.stat{display:flex;align-items:baseline;gap:7px}
.stat b{font-size:24px;font-weight:900}
.stat span{font-size:14px;color:var(--ink-soft)}
.stat-dot{width:4px;height:4px;background:#a4b099;border-radius:50%;margin:0 8px}
.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.how-card{background:white;border:1px solid var(--line);border-radius:22px;padding:25px}
.how-num{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#edf3e6;color:var(--green-dark);font-weight:900;font-size:22px;margin-bottom:18px}
.how-card:nth-child(2) .how-num{background:#fceee0;color:#936743}
.how-card:nth-child(3) .how-num{background:#f0ebfa;color:#796193}
.how-card h3{font-size:21px;margin-bottom:10px}
.how-card p{font-size:16px;line-height:1.7;color:var(--ink-soft);margin:0}
.why{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.why-card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px}
.why-ico{font-size:26px;margin-bottom:12px}
.why-card b{display:block;font-size:18px;line-height:1.4;margin-bottom:8px;font-weight:900}
.why-card span{font-size:15px;line-height:1.6;color:var(--ink-soft)}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.topic-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;text-decoration:none;transition:border-color .18s,transform .18s}
.topic-card:hover{border-color:#93b19c;transform:translateY(-3px)}
.topic-card b{display:block;font-weight:900;font-size:19px;margin-bottom:6px}
.topic-card span{font-size:15px;color:var(--ink-soft);line-height:1.6}
.faq{max-width:900px;margin:auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 22px}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:15px;font-weight:800;font-size:18px;padding:18px 0;list-style:none;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--green);font-size:25px;line-height:1}
.faq details[open] summary::after{content:'−'}
.faq details p{color:var(--ink-soft);font-size:16px;line-height:1.8;margin:0 0 20px}
.faq a{color:var(--green-dark);text-underline-offset:3px}
.faq summary h3{flex:1;min-width:0;font:inherit;line-height:1.45;letter-spacing:0;margin:0}
.faq details{scroll-margin-top:160px}
.faq-answer{padding:0 0 4px;overflow-wrap:break-word}
.faq-answer p{max-width:76ch}
.faq details .faq-reference{font-size:12px;line-height:1.7;padding-top:12px;border-top:1px solid var(--line);overflow-wrap:anywhere}
.faq-sources{background:var(--sage);border-radius:20px;padding:22px;margin-top:8px}
.faq-sources h3{font-size:19px;margin:0 0 12px}
.faq-sources p{font-size:14px;line-height:1.75;color:var(--ink-soft);margin:0 0 10px}
.faq-sources .faq-updated{font-size:12px;margin:0}
.site-foot{margin-top:35px;padding:30px 24px 36px;border-top:1px solid var(--line);text-align:center;background:#f4f5ed}
.site-foot .mark{font-weight:900;font-size:23px;color:var(--ink);margin:0 0 6px}
.site-foot p{max-width:65ch;margin:0 auto;font-size:15px;color:var(--ink-soft)}
.site-foot nav{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 25px;margin-top:16px}
.site-foot a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-size:15px;font-weight:800}
.site-foot a:hover{text-decoration:underline;text-underline-offset:4px}
@media(max-width:1100px){
 .hero-inner{min-height:300px}.hero-visual{height:300px}.hero-art{height:340px;right:-35px}
 .hero h1{font-size:48px}.hero-lead{font-size:19px}
 .continue-panel{grid-template-columns:60px minmax(180px,1fr) minmax(120px,.8fr) auto;padding:18px;gap:16px}
 .continue-avatar{width:60px;height:60px}.continue-copy h2{font-size:20px}.resume-button{min-width:145px;padding:10px 18px}
 .benefit{padding:0 28px;font-size:16px;gap:12px}.card h3{font-size:19px}.why{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:900px){
 .topnav{flex-wrap:nowrap;gap:16px;padding:10px 28px}
 .topnav-logo .logo-text,.topnav-logo #logoText{display:inline-block;position:static;width:auto;height:auto;margin:0;padding:0;overflow:visible;clip-path:none;white-space:normal}
 .topnav-logo{font-size:22px;min-height:44px}.logo-mark{width:39px;height:39px}
 .topnav-links{order:initial;flex:1;flex-basis:auto;gap:18px;justify-content:flex-end}.topnav-links a{font-size:14px}
 .topnav .lang-switch{margin-left:0}.topnav .lang-switch button{min-width:36px;min-height:44px;padding:6px}
 .wrap,.hero-inner{width:calc(100% - 56px)}
 .hero-inner{grid-template-columns:49% 51%;min-height:280px}.hero h1{font-size:39px}.hero-visual{height:280px}.hero-art{height:310px;right:-18px;width:calc(100% + 50px)}
 .hero-lead{font-size:17px}.btn-play{font-size:16px;padding:12px 20px}.hero-copy{padding:20px 0}
 .continue-panel{grid-template-columns:56px minmax(0,1fr) auto;gap:12px 16px}.continue-avatar{width:56px;height:56px;grid-row:1 / 3}
 .continue-copy{grid-column:2}.resume-progress,.welcome-note{grid-column:2;grid-row:2;max-width:100%;text-align:left}.resume-button{grid-column:3;grid-row:1 / 3;min-width:135px}
 .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.worlds-head h2{font-size:31px}.card-banner{aspect-ratio:2.7}
 .benefit{padding:0 20px;font-size:14px;gap:10px}.benefit svg{width:29px;height:29px}.benefits{margin-bottom:35px}
 .how{gap:14px}.how-card{padding:20px}.how-card h3{font-size:19px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
 html{scroll-padding-top:130px}
 .topnav{flex-wrap:wrap;padding:10px 18px 2px;gap:4px 16px}.topnav-logo{font-size:23px}.logo-mark{width:38px;height:38px}
 .topnav .lang-switch{margin-left:auto}.topnav-links{order:3;flex-basis:100%;justify-content:center;gap:20px;margin-left:0}.topnav-links a{font-size:14px;min-height:42px}
 .hero-inner,.wrap{width:calc(100% - 36px)}.hero-inner{grid-template-columns:1fr;min-height:0}
 .hero-copy{text-align:center;padding:25px 0 2px}.hero h1{font-size:clamp(32px,8.4vw,42px);line-height:1.12;margin-bottom:10px}
 .hero-lead{font-size:17px;max-width:30ch;margin:0 auto 18px}.hero-actions{justify-content:center;gap:4px 16px}
 .btn-play{min-height:48px;font-size:16px;padding:12px 24px}.btn-ghost{font-size:14px}
 .hero-visual{height:220px}.hero-art{inset:auto 0 -8px;width:100%;height:245px}
 .continue-panel{padding:17px 18px;margin-bottom:24px;border-radius:20px;gap:10px 13px;grid-template-columns:48px minmax(0,1fr)}
 .continue-avatar{width:48px;height:48px;grid-row:1}.continue-copy{grid-column:2}.continue-copy h2{font-size:18px}.continue-copy p{font-size:13px}
 .resume-progress,.welcome-note{grid-column:1 / -1;grid-row:2;font-size:13px;margin:3px 0}.resume-progress{gap:12px}
 .resume-button{grid-column:1 / -1;grid-row:3;min-width:0;width:100%;min-height:44px;font-size:15px;padding:10px 18px}
 .grid{grid-template-columns:1fr;gap:18px}.worlds-head{margin-bottom:14px}.worlds-head h2{font-size:29px}
 .card-banner{aspect-ratio:2.6}.card-body{padding:12px 17px 14px}.card h3{font-size:21px}.card-meta{font-size:14px}
 .benefits{flex-direction:column;align-items:flex-start;gap:18px;padding:24px 12px;margin:18px 0 30px}.benefit{padding:0;font-size:16px;gap:15px}.benefit+.benefit{border:0}.benefit svg{width:30px;height:30px}
 .about-section{padding:24px 20px;border-radius:22px}.about-section .section-head h2{font-size:25px}.about-section .section-head p{font-size:16px}
 .section-head{margin-top:38px;margin-bottom:20px}.section-head p{font-size:16px}.section-head h2{font-size:27px}
 .how,.why,.topic-grid{grid-template-columns:1fr}.how-card,.why-card,.topic-card{padding:22px}.how-card h3{font-size:21px}
 .stats{gap:8px 16px}.stat-dot{display:none}.stat{gap:5px}.stat b{font-size:23px}.stat span{font-size:13px}
 .faq details{padding:0 18px}.faq summary{font-size:17px}.site-foot nav{gap:2px 20px}
}
@media(max-width:760px){
 .topnav{flex-wrap:wrap;padding:10px 18px 2px;gap:4px 16px}
 .topnav .lang-switch{margin-left:auto}
 .topnav-links{order:3;flex-basis:100%;justify-content:center;flex-wrap:wrap;gap:4px 20px;margin-left:0}
 .topnav-links a{font-size:14px;min-height:42px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
