@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');

:root{--ink:#172723;--muted:#62716b;--paper:#f6f7f2;--white:#fff;--line:#dfe6dc;--lime:#c8ed75;--lime-dark:#a8d44d;--blue:#dcebf5;--rose:#f5e4e2;--shadow:0 18px 55px rgba(25,45,36,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans','Noto Sans SC',sans-serif;line-height:1.6}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}::selection{background:var(--lime)}
.wrap{width:min(1160px,calc(100% - 48px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(246,247,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;font-size:22px;white-space:nowrap}.brand-mark{height:33px;width:33px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--lime);font-size:20px;line-height:1}.nav-links{margin-left:auto;display:flex;align-items:center;gap:5px}.nav-links a{padding:9px 17px;border-radius:999px;color:#52625c;font-weight:600;font-size:14px;transition:.2s}.nav-links a:hover,.nav-links a.active{background:#e9eee5;color:var(--ink)}.nav-cta{border:1px solid var(--ink);background:var(--ink);color:white;padding:10px 17px;border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap}.nav-cta:hover{background:#31483d}.mobile-menu{display:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800;color:#577141}.eyebrow:before{content:'';height:7px;width:7px;border-radius:50%;background:#a8d44d}.hero{padding:100px 0 94px;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}.hero h1,.page-head h1{font-size:clamp(48px,5.5vw,84px);line-height:1.13;letter-spacing:-.075em;margin:23px 0 24px;font-weight:800}.hero h1 span{color:#6a8f39}.hero p,.page-head p{max-width:550px;color:var(--muted);font-size:18px;margin:0 0 32px;line-height:1.85}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:11px 21px;border-radius:14px;border:1px solid var(--line);background:white;color:var(--ink);font-weight:700;box-shadow:none;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px);background:#f2f7e9}.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}.btn-primary:hover{background:#304a3d}.btn-lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}.btn-lime:hover{background:var(--lime-dark)}.hero-note{display:flex;align-items:center;gap:9px;margin-top:28px;color:#82918b;font-size:13px}.hero-note i{height:8px;width:8px;border-radius:50%;background:#78b981}
.scene{position:relative;min-height:500px;border:1px solid #d8e6cc;border-radius:34px;background:radial-gradient(circle at 88% 17%,#eef8d5 0 25%,transparent 48%),linear-gradient(145deg,#eaf4dd,#f7faf2 60%);padding:32px;overflow:hidden;box-shadow:var(--shadow)}.scene:before{content:'';position:absolute;right:-80px;bottom:-105px;height:300px;width:300px;border:1px solid rgba(99,139,76,.22);border-radius:50%;box-shadow:0 0 0 54px rgba(255,255,255,.18),0 0 0 108px rgba(255,255,255,.12)}.scene-top{position:relative;display:flex;align-items:center;justify-content:space-between;color:#678461;font-size:12px;font-weight:800;letter-spacing:.13em}.scene-top b{color:var(--ink);font-size:25px;letter-spacing:-.07em}.scene-card{position:relative;background:#fff;border:1px solid #dfebd7;border-radius:20px;box-shadow:0 12px 35px rgba(39,71,45,.08)}.scene-doc{margin-top:38px;padding:23px 25px;width:87%;transform:rotate(-3deg)}.scene-mini{display:flex;gap:10px;align-items:center;color:#7d9180;font-size:12px;font-weight:700}.scene-mini span{height:27px;width:27px;border-radius:8px;background:var(--lime);display:grid;place-items:center;color:var(--ink);font-size:16px}.scene-doc h3{font-size:24px;letter-spacing:-.05em;margin:17px 0 13px}.scene-line{height:7px;border-radius:99px;background:#e9eee8;margin:9px 0}.scene-line.short{width:62%}.scene-game{position:absolute;right:20px;bottom:46px;width:240px;padding:20px;transform:rotate(7deg)}.scene-game .tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:15px}.scene-game .tiles span{height:37px;border-radius:7px;background:#e8f3d8}.scene-game .tiles span:nth-child(2),.scene-game .tiles span:nth-child(7){background:var(--lime);display:grid;place-items:center;font-size:18px}.scene-tool{position:absolute;left:22px;bottom:32px;width:230px;padding:18px;transform:rotate(-7deg);background:#17332c;color:#fff;border-color:#17332c}.scene-tool small{color:#a8d7be}.scene-tool b{font-size:25px;display:block;margin-top:10px;letter-spacing:-.05em}.scene-tool .meter{height:7px;background:#385247;border-radius:99px;margin-top:14px;overflow:hidden}.scene-tool .meter span{display:block;width:63%;height:100%;background:var(--lime)}
.section{padding:80px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section-head h2{font-size:clamp(32px,3vw,48px);line-height:1.2;letter-spacing:-.065em;margin:14px 0 0}.section-head p{color:var(--muted);margin:0;max-width:360px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{min-height:300px;background:white;border:1px solid var(--line);border-radius:24px;padding:28px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.feature:nth-child(2){background:#eef3e7}.feature:nth-child(3){background:#edf4f7}.feature-icon{font-size:31px;height:58px;width:58px;border-radius:17px;display:grid;place-items:center;background:#f0f4e7;margin-bottom:36px}.feature:nth-child(2) .feature-icon{background:#dbe9bd}.feature:nth-child(3) .feature-icon{background:#d6e7ef}.feature h3{margin:0 0 9px;font-size:24px;letter-spacing:-.04em}.feature p{margin:0 0 20px;color:var(--muted);font-size:15px;flex:1}.feature .more{font-size:14px;font-weight:800}.feature .more span{margin-left:7px}.band{background:var(--ink);color:#fff;border-radius:30px;padding:50px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px}.band h2{font-size:36px;letter-spacing:-.06em;margin:0 0 7px}.band p{color:#abc1b4;margin:0}.band .btn{background:var(--lime);border-color:var(--lime);white-space:nowrap}
.page-head{padding:76px 0 40px}.page-head h1{font-size:clamp(44px,5vw,70px);margin:16px 0}.page-head p{margin-bottom:0}.chip{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#52615b;font-size:12px;font-weight:700}.subnav{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}.subnav a{padding:8px 13px;border-radius:11px;background:#e9eee8;color:#50665a;font-size:13px;font-weight:700}.subnav a:hover{background:var(--lime)}
.workspace{display:grid;grid-template-columns:278px 1fr;gap:24px;padding-bottom:90px}.panel{border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 7px 28px rgba(28,49,36,.035)}.sidebar{padding:20px;align-self:start}.sidebar h2{font-size:13px;color:#829087;text-transform:uppercase;letter-spacing:.12em;margin:5px 8px 18px}.search{width:100%;border:1px solid var(--line);background:#f8faf6;padding:12px 14px;border-radius:11px;outline:none}.search:focus,textarea:focus{border-color:#8dbf52;box-shadow:0 0 0 3px #c8ed7566}.doc-list{display:grid;gap:7px;margin-top:15px}.doc-item{width:100%;text-align:left;border:0;border-radius:12px;background:transparent;padding:13px 14px;color:#52635a}.doc-item:hover,.doc-item.active{background:#eef5e5;color:var(--ink)}.doc-item b{display:block;font-size:14px}.doc-item small{display:block;color:#859288;margin-top:3px}.article{padding:48px 55px;min-height:550px}.article .article-label{color:#77a244;font-size:12px;font-weight:800;letter-spacing:.13em}.article h2{font-size:38px;line-height:1.25;letter-spacing:-.055em;margin:13px 0 10px}.article .date{font-size:13px;color:#8c9990;margin-bottom:35px}.article h3{font-size:22px;margin:34px 0 8px}.article p,.article li{color:#52635b;font-size:16px;line-height:1.95}.article code{background:#eff4e9;padding:2px 5px;border-radius:5px;font-size:14px}.article ul{padding-left:23px}.article .callout{background:#eff5e8;border-left:4px solid var(--lime-dark);padding:17px 19px;border-radius:0 10px 10px 0;color:#3c5745;margin-top:26px}
.game-layout,.tool-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;padding-bottom:90px}.game-box,.tool-box{padding:28px}.panel-title{font-size:19px;letter-spacing:-.04em;font-weight:800;margin:0 0 5px}.panel-sub{font-size:14px;color:var(--muted);margin:0}.stats{display:flex;gap:20px;margin:22px 0}.stat{display:grid}.stat b{font-size:25px;line-height:1.2;letter-spacing:-.05em}.stat small{font-size:12px;color:#8a978e}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:470px;margin:28px auto}.memory-card{border:0;aspect-ratio:1;border-radius:15px;background:#e7f2d7;color:transparent;font-size:33px;font-weight:800;box-shadow:inset 0 -3px rgba(26,68,37,.06);transition:transform .2s,background .2s}.memory-card:hover:not(:disabled){transform:translateY(-3px);background:#d7eaae}.memory-card.open,.memory-card.matched{background:var(--lime);color:var(--ink)}.memory-card.matched{background:#ecf7de}.memory-card:focus-visible,.btn:focus-visible,.doc-item:focus-visible,.nav-links a:focus-visible{outline:3px solid #6c9638;outline-offset:2px}.game-side{padding:38px;background:#ecf5e4;display:flex;flex-direction:column;justify-content:space-between}.game-side h2{font-size:32px;letter-spacing:-.06em;margin:15px 0}.game-side p{color:#5a6b5c}.game-side ul{padding-left:20px;color:#5a6b5c;line-height:2}.game-feedback{min-height:25px;font-weight:700;color:#3d6a36}.tool-layout{grid-template-columns:1fr 1fr}.tool-box{min-height:475px}.field-label{display:block;font-size:13px;font-weight:700;margin:28px 0 10px}.text-input{display:block;min-height:190px;width:100%;resize:vertical;border:1px solid var(--line);border-radius:14px;background:#fbfcf9;padding:16px;outline:none;color:var(--ink)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.metric{border-radius:13px;background:#f1f5eb;padding:13px 8px;text-align:center}.metric b{display:block;font-size:22px}.metric small{color:#758678;font-size:11px}.tool-actions{display:flex;flex-wrap:wrap;gap:9px}.tool-actions .btn{min-height:40px;padding:8px 13px;font-size:13px}.timer-visual{width:245px;height:245px;margin:37px auto 28px;border-radius:50%;border:13px solid #e7efd9;display:grid;place-items:center;position:relative;background:conic-gradient(var(--lime) var(--progress,0%),transparent var(--progress,0%));box-shadow:inset 0 0 0 10px #fff}.timer-visual:after{content:'';position:absolute;inset:10px;background:#fff;border-radius:50%}.timer-visual div{position:relative;z-index:1;text-align:center}.timer-visual b{font-size:44px;letter-spacing:-.07em;display:block;line-height:1.1}.timer-visual small{font-size:12px;color:#7e8e82}.timer-tabs{display:flex;gap:7px;background:#eff3eb;border-radius:12px;padding:5px;width:max-content;margin:25px auto 0}.timer-tabs button{border:0;background:transparent;border-radius:9px;padding:8px 15px;font-size:13px;font-weight:700;color:#66796a}.timer-tabs button.active{background:#fff;color:var(--ink);box-shadow:0 2px 8px #25402a16}.timer-actions{display:flex;justify-content:center;gap:10px}.tool-status{text-align:center;color:#6c7d70;font-size:12px;margin-top:16px;min-height:20px}
.footer{border-top:1px solid var(--line);padding:28px 0 35px;color:#839089;font-size:13px}.footer .wrap{display:flex;justify-content:space-between;gap:20px}.footer b{color:#4e6658}.footer-links{display:flex;gap:20px}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding:65px 0}.scene{max-width:640px;width:100%;margin:auto}.feature-grid{grid-template-columns:1fr 1fr}.feature:last-child{grid-column:span 2}.game-layout,.tool-layout{grid-template-columns:1fr}.workspace{grid-template-columns:230px 1fr}.article{padding:34px}.nav{gap:14px}.nav-links a{padding:8px 10px}}
@media(max-width:640px){.wrap{width:min(100% - 30px,1160px)}.nav{height:66px}.brand{font-size:19px}.nav-cta{display:none}.nav-links{gap:0}.nav-links a{font-size:12px;padding:8px}.hero{gap:30px;padding:55px 0 65px}.hero h1{font-size:49px}.hero p{font-size:16px}.scene{min-height:430px;padding:20px}.scene-doc{width:93%;margin-top:30px}.scene-game{width:190px;right:12px;bottom:27px}.scene-game .tiles span{height:27px}.scene-tool{left:9px;bottom:15px;width:190px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:13px}.feature-grid{grid-template-columns:1fr}.feature:last-child{grid-column:auto}.feature{min-height:240px}.feature-icon{margin-bottom:18px}.band{padding:32px;display:block}.band h2{font-size:29px}.band .btn{margin-top:22px}.page-head{padding:48px 0 30px}.page-head h1{font-size:47px}.page-head p{font-size:16px}.workspace{grid-template-columns:1fr}.sidebar{padding:16px}.doc-list{grid-template-columns:1fr 1fr}.article{padding:27px;min-height:460px}.article h2{font-size:31px}.memory-grid{gap:7px}.memory-card{border-radius:11px;font-size:27px}.game-box,.tool-box{padding:20px}.game-side{padding:26px}.metric-grid{grid-template-columns:repeat(2,1fr)}.footer .wrap{display:block}.footer-links{margin-top:10px}}