/* NumPiano.com — static, responsive, no tracking/dependencies. */
:root{--forest:#173f35;--forest-2:#102f29;--ink:#203a32;--muted:#687870;--paper:#fcfaf5;--white:#fff;--border:#e5e8df;--mint:#e9f4e9;--lime:#e4ef9a;--coral:#f5a47b;--violet:#c9c2f7;--shadow:0 22px 64px rgba(16,47,41,.10);--r:24px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;line-height:1.58;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,select,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}img,svg{max-width:100%}img{display:block}::selection{background:var(--lime);color:var(--forest)}:focus-visible{outline:3px solid #70b696;outline-offset:3px}.container{width:min(var(--max),calc(100% - 52px));margin-inline:auto}.skip-link{position:absolute;left:12px;top:-100px;background:#fff;padding:10px;z-index:100}.skip-link:focus{top:10px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;text-transform:uppercase;color:#49715e}.section{padding:110px 0}.section-heading{max-width:720px;margin-bottom:42px}.section-heading h2{font-size:clamp(36px,4.7vw,62px);letter-spacing:-.055em;line-height:1.07;margin:11px 0 16px;font-weight:780}.section-heading p{color:var(--muted);font-size:17px;max-width:650px;margin:0}.serif{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-style:italic}.pill{display:inline-flex;align-items:center;gap:8px;border-radius:100px;padding:8px 14px;font-size:12px;font-weight:750}.pill-light{border:1px solid #caddc7;background:#f1f8ef;color:#396851}.pill-dark{background:rgba(228,239,154,.13);border:1px solid rgba(228,239,154,.4);color:var(--lime)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:52px;border-radius:14px;padding:13px 21px;border:1px solid transparent;font-weight:800;font-size:15px;transition:transform .2s,background .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{color:var(--forest-2);background:var(--lime);box-shadow:0 8px 24px rgba(0,0,0,.09)}.btn-primary:hover{background:#f3ffb4}.btn-outline-light{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.07)}.btn-outline-light:hover{background:rgba(255,255,255,.14)}.btn-dark{background:var(--forest);color:#fff}.btn-dark:hover{background:#255947}.btn-quiet{border-color:#d1ddd4;color:var(--forest);background:#fff}.btn-quiet:hover{background:#f3f8f3}.arrow{display:inline-block;font-size:19px;line-height:1;margin-left:1px}
/* Navigation */
.site-header{background:var(--paper);position:sticky;top:0;z-index:60;border-bottom:1px solid rgba(23,63,53,.075);backdrop-filter:blur(15px)}.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;height:82px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:900;font-size:26px;letter-spacing:-.045em;color:var(--forest)}.brand-mark{width:37px;height:41px;flex:none}.brand strong{color:#5d9272}.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}.nav-links a{font-size:14px;font-weight:720;color:#4c6258;transition:color .2s}.nav-links a:hover{color:#116e50}.nav-actions{display:flex;align-items:center;gap:13px}.language-picker{background:transparent;border:1px solid #d5ded5;border-radius:11px;min-height:42px;padding:0 10px;font-size:13px;font-weight:780;color:var(--forest);cursor:pointer}.nav-actions .btn{min-height:43px;padding:10px 16px;font-size:13px;border-radius:11px}.menu-button{display:none;background:#edf3ed;border:0;border-radius:12px;min-height:44px;min-width:44px;padding:9px}.menu-button span{display:block;width:20px;height:2px;background:var(--forest);margin:4px auto;border-radius:3px}
/* Hero */
.hero{position:relative;background:var(--forest-2);color:#fff;isolation:isolate;overflow:hidden}.hero:before{content:"";position:absolute;width:640px;height:640px;border:1px solid rgba(228,239,154,.19);border-radius:50%;top:-370px;right:-170px;box-shadow:0 0 0 120px rgba(255,255,255,.012),0 0 0 250px rgba(255,255,255,.008);z-index:-1}.hero:after{content:"";position:absolute;width:330px;height:330px;background:radial-gradient(circle,rgba(169,204,159,.15),transparent 70%);bottom:-130px;left:35%;z-index:-1}.hero-grid{display:grid;grid-template-columns:1.01fr .99fr;gap:55px;align-items:center;padding-top:88px;padding-bottom:93px;min-height:676px}.hero-text h1{font-size:clamp(48px,5.8vw,82px);line-height:1.025;letter-spacing:-.065em;margin:22px 0 22px;font-weight:820;max-width:680px}.hero-text h1 em{color:var(--lime);font-family:Georgia,serif;font-weight:400;letter-spacing:-.055em}.hero-text p{font-size:clamp(16px,1.6vw,19px);color:#c5d8ce;max-width:525px;line-height:1.68;margin:0 0 33px}.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}.hero-proof{display:flex;align-items:center;gap:16px;flex-wrap:wrap;color:#bcd4c9;font-size:12px;font-weight:700;margin-top:32px}.hero-proof span{display:inline-flex;align-items:center;gap:7px}.proof-dot{width:7px;height:7px;background:var(--lime);border-radius:50%}.hero-art{position:relative;min-height:455px;display:flex;justify-content:center;align-items:center}.hero-art:before{content:"";position:absolute;width:445px;height:445px;border-radius:50%;border:1px solid rgba(255,255,255,.12);inset:4px auto auto 9%;transform:rotate(20deg)}.floating-orb{position:absolute;width:150px;height:150px;border-radius:50%;background:#e7eca1;right:0;top:0;filter:blur(1px);opacity:.9}.sheet-card{width:min(490px,100%);background:#fffef9;color:var(--forest);border-radius:26px;box-shadow:0 25px 80px rgba(0,0,0,.25);position:relative;z-index:2;transform:rotate(-3deg);padding:26px;overflow:hidden}.sheet-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.sheet-top strong{font-size:17px;letter-spacing:-.02em}.sheet-tag{font-size:11px;font-weight:800;color:#47705c;background:#ebf4eb;padding:6px 10px;border-radius:99px}.sheet-rule{height:1px;background:#e7ebe2;margin:15px 0}.paper-staff-label{font-size:10px;letter-spacing:.1em;color:#698276;font-weight:800;text-transform:uppercase;margin-bottom:8px}.paper-notes{display:grid;grid-template-columns:repeat(8,1fr);gap:5px}.paper-notes span{border:1px solid #e4e8df;background:#f7f9f5;border-radius:8px;text-align:center;padding:7px 2px 5px;font-weight:860;font-size:22px;line-height:1}.paper-notes small{display:block;font-size:9px;color:#7b9284;font-weight:750;margin-top:8px}.paper-notes span:nth-child(4){background:#e2f0a0;border-color:#bcd779}.paper-notes.left span{background:#faf0dc}.paper-notes.left span:nth-child(3){background:#f9d9b2;border-color:#f6b875}.mini-piano{display:flex;height:101px;border:2px solid #d5ddd5;border-radius:12px;overflow:hidden;background:white;margin-top:12px;position:relative}.mini-white{position:relative;flex:1;border-right:1px solid #b4c4b6;display:flex;align-items:flex-end;justify-content:center;padding-bottom:8px;color:#5b6c61;font-weight:800;font-size:12px}.mini-white:last-child{border-right:0}.mini-white.active{background:#b4dcf6}.mini-white:before{content:"";position:absolute;right:-22%;top:0;width:45%;height:58%;background:#243b32;border-radius:0 0 4px 4px;z-index:1}.mini-white:nth-child(3):before,.mini-white:nth-child(7):before{display:none}.mini-white i{font-style:normal;position:relative;z-index:2}.finger-tag{position:absolute;bottom:-15px;left:3%;background:var(--coral);color:#34251c;border-radius:13px;font-size:12px;font-weight:900;padding:10px 13px;box-shadow:0 8px 22px rgba(0,0,0,.1);transform:rotate(5deg);z-index:3}.float-note{position:absolute;color:var(--lime);font-size:58px;right:3px;bottom:26px;transform:rotate(15deg);opacity:.85}
/* Trust band */
.metrics-band{border-bottom:1px solid var(--border);background:#fffdf9}.metrics-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:25px 0}.metric{display:flex;align-items:center;gap:12px;font-weight:720;font-size:13px;color:#54695e}.metric-icon{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:12px;background:#edf4e8;color:var(--forest);font-size:18px}
/* How */
.how-section{background:#fcfaf5}.how-grid{display:grid;grid-template-columns:1.13fr .87fr;gap:74px;align-items:center}.how-steps{display:grid;gap:15px;margin-top:31px}.how-step{display:flex;gap:16px;align-items:flex-start}.step-number{width:39px;height:39px;flex:none;border-radius:12px;background:var(--forest);color:var(--lime);display:grid;place-items:center;font-weight:840}.how-step h3{font-size:17px;margin:0 0 3px}.how-step p{margin:0;color:#697b70;font-size:14px}.mapping-panel{background:#eaf1e5;border:1px solid #dce9dc;border-radius:28px;padding:29px;box-shadow:0 16px 45px rgba(16,47,41,.06)}.mapping-panel h3{font-size:23px;margin:0 0 8px;letter-spacing:-.035em}.mapping-panel p{margin:0;color:#5c7366;font-size:14px}.note-map{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin:21px 0 12px}.map-key{border:1px solid #c7d5c8;border-radius:8px;background:#fff;color:var(--forest);padding:10px 2px;min-height:91px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;transition:background .2s,transform .2s}.map-key:hover,.map-key.is-selected{background:#dff0a2;transform:translateY(-3px);border-color:#b5ce70}.map-key b{font-size:27px}.map-key span{font-size:12px;font-weight:720;color:#698170}.map-info{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:#61776a}.map-info b{font-size:15px;color:var(--forest)}.map-explainer{margin-top:15px;padding:13px 15px;background:#fff;border-radius:12px;font-size:13px;color:#536a5d}.map-explainer strong{color:var(--forest)}
/* Benefits */
.benefits{background:#fff}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.benefit-card{padding:29px;background:#f7f9f5;border:1px solid #e6ebe3;border-radius:22px;min-height:226px}.benefit-card:nth-child(2){background:#fff7ee;border-color:#f3e8da}.benefit-card:nth-child(3){background:#f3f0fc;border-color:#e9e4f7}.benefit-card .benefit-icon{display:grid;place-items:center;background:#e4f0de;color:var(--forest);width:48px;height:48px;border-radius:15px;font-size:22px;margin-bottom:20px}.benefit-card:nth-child(2) .benefit-icon{background:#fce3c8}.benefit-card:nth-child(3) .benefit-icon{background:#e3dcf8}.benefit-card h3{font-size:22px;letter-spacing:-.035em;margin:0 0 6px}.benefit-card p{font-size:14px;color:#63766a;margin:0}
/* Books */
.books-section{background:#f1f5ed}.books-top{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px}.books-top .section-heading{margin:0}.books-count{font-size:12px;font-weight:800;color:#67806e;white-space:nowrap}.books-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.book-card{background:#fff;border:1px solid #e2e7df;border-radius:23px;overflow:hidden;box-shadow:0 10px 26px rgba(34,59,48,.045);display:flex;flex-direction:column;min-width:0;transition:transform .2s,box-shadow .2s}.book-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.book-scene{height:270px;display:grid;place-items:center;overflow:hidden;position:relative}.book-scene:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.23);right:-30px;top:-40px}.scene-beginner{background:#cfe9db}.scene-children{background:#fae5c7}.scene-classics{background:#d9d4f4}.scene-christmas{background:#c5dbcb}.book-cover{height:216px;width:157px;position:relative;border-radius:5px 9px 9px 5px;box-shadow:14px 17px 25px rgba(17,44,34,.18),inset -5px 0 9px rgba(0,0,0,.09),inset 4px 0 3px rgba(255,255,255,.4);display:flex;flex-direction:column;align-items:flex-start;padding:19px 14px;color:#183c33;transform:rotate(-8deg);transition:transform .25s;overflow:hidden}.book-card:hover .book-cover{transform:rotate(-4deg) translateY(-4px)}.book-cover:after{content:"";position:absolute;width:200px;height:200px;border:1px solid rgba(255,255,255,.28);border-radius:50%;bottom:-145px;left:-60px}.cover-beginner{background:#e7f5e0}.cover-children{background:#fff3dc}.cover-classics{background:#edeaff}.cover-christmas{background:#e2f1e5}.cover-brand{font-size:15px;letter-spacing:-.055em;font-weight:900}.cover-subtitle{font-weight:850;font-size:25px;line-height:1.06;letter-spacing:-.06em;margin-top:21px;max-width:135px}.cover-number{margin-top:auto;font-weight:900;font-size:55px;line-height:1;color:#477664;letter-spacing:-.07em}.cover-number small{font-size:11px;letter-spacing:0;display:block;margin-bottom:3px;text-transform:uppercase}.cover-bottom{display:flex;gap:4px;position:absolute;bottom:12px;right:12px}.cover-bottom span{width:11px;height:38px;border:1px solid #658d75;background:white;border-radius:0 0 3px 3px}.cover-bottom span:nth-child(2){background:#1d473c;height:23px}.book-info{padding:22px 21px 20px;display:flex;flex-direction:column;flex:1}.book-info .tiny{font-size:11px;color:#68826f;letter-spacing:.1em;text-transform:uppercase;font-weight:800}.book-info h3{font-size:20px;letter-spacing:-.04em;line-height:1.15;margin:9px 0}.book-info p{color:#738279;font-size:13px;line-height:1.5;margin:0 0 22px;flex:1}.book-link{border-top:1px solid #e9eee6;padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:8px;color:#176a53;font-weight:850;font-size:13px}.book-link .arrow{transition:transform .2s}.book-link:hover .arrow{transform:translateX(3px)}.amazon-note{font-size:10px;color:#92a097;margin-top:7px;min-height:14px}
/* Sample */
.samples-section{background:#fff}.sample-intro{display:flex;gap:28px;align-items:end;justify-content:space-between}.sample-intro .section-heading{margin-bottom:27px}.sample-mini-tag{color:#376b54;font-size:12px;background:#eff7ed;padding:9px 13px;border-radius:99px;font-weight:800;white-space:nowrap;margin-bottom:30px}.demo-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(265px,.9fr);gap:20px;align-items:stretch}.demo-panel{border-radius:25px;border:1px solid #e0e9de;padding:27px;background:#f8fbf5;min-width:0}.demo-panel h3{font-size:26px;margin:0 0 3px;letter-spacing:-.035em}.demo-panel .demo-sub{margin:0 0 17px;color:#648071;font-size:13px}.demo-snapshot{background:#fff;border-radius:15px;border:1px solid #e6ece5;padding:15px;margin-bottom:16px}.demo-snapshot-label{font-size:10px;color:#769184;text-transform:uppercase;letter-spacing:.14em;font-weight:900;margin-bottom:9px}.note-strip{display:flex;gap:5px;flex-wrap:wrap}.note-chip{background:#ecf7fc;border:1px solid #d3e8ef;border-radius:8px;padding:6px 9px;display:inline-flex;gap:5px;align-items:baseline;font-size:16px;font-weight:850;color:#276380;line-height:1.2;transition:background .1s}.note-chip small{font-size:9px;font-weight:800;opacity:.7}.note-chip.np-active{background:#b6e5f7!important;border-color:#4d9bd1;outline:1px solid #268dcc;outline-offset:1px}.demo-panel .np-player{background:transparent;border:none;padding:0;box-shadow:none;border-radius:0}.demo-panel .np-controls-head{padding-top:4px}.demo-panel .np-keyboard{min-width:630px}.demo-panel .np-canvas-wrap{background:#e5efe8}.demo-panel .np-options{margin-top:1px}.demo-side{display:flex;flex-direction:column;gap:15px}.demo-side-head{margin:1px 0 2px;font-size:18px;letter-spacing:-.035em}.sample-tile{border-radius:20px;border:1px solid #e3e8df;padding:20px;display:flex;flex-direction:column;justify-content:space-between;gap:10px;flex:1;background:#fafbf8;transition:transform .2s,background .2s}.sample-tile:hover{background:#eef6ed;transform:translateY(-2px)}.sample-tile:nth-of-type(2){background:#fff9ee}.sample-tile:nth-of-type(2):hover{background:#fff0d3}.sample-tile .category{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#68826e;font-weight:850}.sample-tile strong{font-size:20px;letter-spacing:-.04em;line-height:1.12}.sample-tile small{font-size:12px;color:#6b8574}.sample-tile .go{display:inline-flex;gap:10px;align-items:center;font-size:13px;font-weight:800;color:#286949}.sample-footnote{color:#77887b;font-size:12px;margin:16px 0 0}
/* Journey and CTA */
.journey-section{background:#f9f6ed}.journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.journey-item{position:relative}.journey-number{font:italic 49px Georgia,serif;color:#cadcc4;line-height:1}.journey-item h3{font-size:21px;letter-spacing:-.04em;margin:12px 0 5px}.journey-item p{color:#6b8074;font-size:14px;margin:0;max-width:320px}.journey-item:not(:last-child):after{content:"→";position:absolute;right:15px;top:13px;font-size:26px;color:#91ab93}.cta-section{background:#fcfaf5;padding:45px 0 100px}.cta-inner{background:var(--forest);border-radius:30px;color:#fff;padding:60px 65px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-inner:after{content:"♪";position:absolute;right:3%;top:-20px;font-family:Georgia,serif;font-size:280px;color:rgba(255,255,255,.055);pointer-events:none}.cta-inner h2{font-size:clamp(33px,4vw,51px);line-height:1.06;letter-spacing:-.055em;max-width:590px;margin:0 0 14px}.cta-inner p{max-width:500px;color:#c6dfd1;margin:0}.cta-inner .btn{white-space:nowrap;position:relative;z-index:1}
/* Footer */
.site-footer{background:#102d27;color:#dae8df;padding:54px 0 25px}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding-bottom:45px}.footer-top .brand{color:#fff}.footer-top .brand strong{color:var(--lime)}.footer-about{color:#a8c3b3;max-width:360px;font-size:14px;margin-top:15px}.footer-col{display:flex;flex-direction:column;gap:11px}.footer-col h3{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#88a596;margin:0 0 7px}.footer-col a{font-size:13px;color:#d6e7dc}.footer-col a:hover{text-decoration:underline}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;color:#88a798;font-size:12px;display:flex;gap:15px;justify-content:space-between;flex-wrap:wrap}
/* Sample detail page */
.detail-hero{background:#eaf2e7;padding:58px 0 43px}.breadcrumbs{display:flex;gap:8px;align-items:center;color:#5e7b6b;font-size:12px;margin-bottom:27px;flex-wrap:wrap}.breadcrumbs a:hover{text-decoration:underline}.detail-hero h1{font-size:clamp(42px,6vw,75px);line-height:1.07;letter-spacing:-.065em;margin:13px 0 13px}.detail-lead{max-width:640px;margin:0;color:#61766b;font-size:17px}.detail-article{padding:50px 0 96px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,.7fr);gap:25px;align-items:start}.detail-main{display:grid;gap:22px;min-width:0}.detail-card{background:#fff;border:1px solid #e0e8dd;border-radius:22px;padding:25px;min-width:0}.detail-card h2{font-size:23px;letter-spacing:-.035em;margin:0 0 14px}.detail-card h3{font-size:14px;color:#42614e;margin:22px 0 8px}.detail-card .np-player{background:#f8fbf7}.measure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.measure-card{border:1px solid #e4eae0;border-radius:12px;padding:11px;background:#fbfcf9;min-width:0}.measure-header{font-size:10px;font-weight:900;color:#879b8d;letter-spacing:.06em;margin:0 0 7px;text-transform:uppercase}.measure-note-row{display:flex;gap:4px;flex-wrap:wrap}.measure-note-row .note-chip{font-size:14px;padding:5px 7px}.lyrics-box{white-space:pre-line;line-height:1.9;color:#425c4c;font-size:15px;background:#f6faf5;padding:15px;border-radius:13px;margin:0}.detail-aside{display:grid;gap:15px;position:sticky;top:105px}.aside-card{border:1px solid #dbe7dc;background:#f0f7ee;border-radius:19px;padding:23px}.aside-card h3{margin:0 0 9px;font-size:18px;letter-spacing:-.035em}.aside-card p,.aside-card li{font-size:13px;color:#607b69}.aside-card ul{padding-left:17px;margin:11px 0 0}.aside-card .btn{width:100%;margin-top:12px}
/* Legal */
.legal-content{max-width:780px;padding:80px 0 120px}.legal-content h1{font-size:48px;letter-spacing:-.055em;margin:0 0 20px}.legal-content p,.legal-content li{color:#556d60}.legal-warning{padding:19px;border:1px solid #f1cea8;background:#fff1dc;border-radius:15px;font-weight:760}
@media(max-width:1080px){.nav-links{gap:19px}.hero-grid{gap:26px}.hero-art{min-height:420px}.books-grid{gap:12px}.book-info{padding:18px}.book-scene{height:235px}.book-cover{transform:scale(.91) rotate(-8deg)}.how-grid{gap:40px}}
@media(max-width:850px){.container{width:min(var(--max),calc(100% - 34px))}.nav-shell{height:72px}.menu-button{display:block}.nav-actions .btn{display:none}.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);box-shadow:0 18px 32px rgba(0,0,0,.12);padding:20px 18px 25px;flex-direction:column;align-items:stretch;gap:0}.nav-links.is-open{display:flex}.nav-links a{padding:14px 12px;border-bottom:1px solid #e5ede4;font-size:15px}.nav-actions{margin-left:auto}.hero-grid{grid-template-columns:1fr;gap:35px;padding-top:62px;padding-bottom:65px;min-height:0}.hero-text h1{max-width:730px}.hero-text p{max-width:640px}.hero-art{min-height:370px;max-width:520px;width:100%;margin-inline:auto}.sheet-card{max-width:460px}.metrics-inner{grid-template-columns:repeat(2,1fr)}.how-grid{grid-template-columns:1fr;gap:32px}.mapping-panel{max-width:630px}.benefit-grid{grid-template-columns:1fr 1fr}.books-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.book-scene{height:270px}.demo-layout{grid-template-columns:1fr}.demo-side{display:grid;grid-template-columns:1fr 1fr}.demo-side-head{grid-column:1/-1}.sample-tile{min-height:155px}.detail-grid{grid-template-columns:1fr}.detail-aside{position:static;grid-template-columns:1fr 1fr}.cta-inner{padding:45px}.footer-top{grid-template-columns:2fr 1fr 1fr;gap:15px}}
@media(max-width:620px){.section{padding:77px 0}.section-heading{margin-bottom:25px}.section-heading h2{font-size:clamp(34px,9vw,47px)}.section-heading p{font-size:15px}.brand{font-size:23px}.brand-mark{width:33px}.language-picker{min-height:40px;padding:0 7px}.hero-grid{padding-top:45px;padding-bottom:48px;gap:28px}.hero-text h1{font-size:clamp(48px,12vw,70px)}.hero-text p{font-size:16px}.hero-proof{gap:12px}.hero-art{min-height:325px}.hero-art:before{width:290px;height:290px}.floating-orb{width:110px;height:110px}.sheet-card{padding:17px;transform:rotate(-2deg);width:calc(100% - 14px)}.sheet-top{margin-bottom:13px}.sheet-top strong{font-size:15px}.paper-notes span{font-size:18px;padding:6px 2px 5px}.mini-piano{height:82px}.metrics-inner{gap:8px;padding:18px 0}.metric{font-size:11px;gap:7px}.metric-icon{width:32px;height:32px;font-size:16px;border-radius:9px}.benefit-grid{grid-template-columns:1fr;gap:10px}.benefit-card{min-height:0;padding:23px}.benefit-card h3{font-size:20px}.benefit-card .benefit-icon{margin-bottom:12px}.books-top{display:block}.books-top .section-heading{margin-bottom:20px}.books-count{display:none}.books-grid{gap:10px}.book-scene{height:200px}.book-cover{transform:scale(.77) rotate(-8deg)}.book-info{padding:14px 13px 15px}.book-info h3{font-size:17px}.book-info p{font-size:12px;line-height:1.48;min-height:66px}.book-link{font-size:12px}.amazon-note{font-size:9px}.sample-intro{display:block}.sample-mini-tag{margin:0 0 20px}.demo-panel{padding:18px;border-radius:19px}.demo-panel h3{font-size:22px}.demo-side{grid-template-columns:1fr 1fr;gap:10px}.sample-tile{padding:14px;min-height:176px}.sample-tile strong{font-size:17px}.sample-tile .go{font-size:11px}.journey-grid{grid-template-columns:1fr;gap:25px}.journey-item:not(:last-child):after{content:"↓";top:auto;bottom:-29px;right:50%;font-size:17px}.cta-section{padding:0 0 70px}.cta-inner{padding:30px 23px;display:block;border-radius:22px}.cta-inner .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-top>div:first-child{grid-column:1/-1}.detail-hero{padding:34px 0}.detail-article{padding:25px 0 65px}.detail-card{padding:17px}.measure-grid{grid-template-columns:1fr}.detail-aside{grid-template-columns:1fr}.legal-content{padding:50px 0 90px}.legal-content h1{font-size:36px}}
@media(max-width:380px){.container{width:calc(100% - 24px)}.book-scene{height:174px}.book-cover{transform:scale(.66) rotate(-8deg)}.book-info p{min-height:92px}.demo-side{grid-template-columns:1fr}.sample-tile{min-height:105px}.map-key{min-height:77px}.map-key b{font-size:22px}.hero-text h1{font-size:44px}.hero-art{min-height:285px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition:none!important}}

.demo-open{display:inline-flex;align-items:center;gap:9px;margin-top:17px;color:#21684f;font-size:13px;font-weight:850}.demo-open:hover{text-decoration:underline}