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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media print{@page{size:A4;margin:16mm}body{background:white;color:black;font:12pt Arial;line-height:1.6}.site-header,.site-footer,.cookie-banner,dialog,.breadcrumb,.page-heading,.no-print,.button,.text-button,.section-heading{display:none!important}.container{width:100%;margin:0}.worksheet-preview{border:0;margin:0;padding:0;max-width:none}.worksheet-preview .staff{height:110px}.worksheet-preview h2{font-size:20pt}.print-only{display:block}.sheet-grid{display:grid;grid-template-columns:1fr 1fr}.worksheet-preview .print-only{margin-bottom:20px}.worksheet-line{height:30px}.worksheet-preview section{break-inside:avoid}a{color:black;text-decoration:none}.notice{border:1px solid black;background:white}.print-credit{margin-top:20px;font-size:9pt;text-align:center}}

@media print{.worksheet-preview .staff text{display:none}}

/* Original decorative illustrations, responsive and locally hosted. */
.activity-art,.lesson-art,.feature-art,.download-art{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;border-radius:16px;background:#faf8f3}
.activity-art{margin-bottom:18px}.activity-card>.card-num{margin-bottom:8px}.lesson-art{margin-bottom:22px}.feature-art{margin-bottom:28px}.feature-panel:has(.feature-art) .feature-decoration{display:none}.download-art{float:left;width:36%;max-width:360px;margin:0 24px 8px 0}.worksheet-download:after{content:"";display:block;clear:both}
@media(max-width:760px){.activity-card{padding:16px}.activity-art{margin-bottom:14px;border-radius:12px}.activity-card>.card-num{margin-bottom:5px}.feature-art{margin-bottom:24px}.lesson-art{max-width:440px;margin-inline:auto}.download-art{float:none;width:100%;max-width:480px;margin:0 auto 24px}}
@media print{.activity-art,.lesson-art,.feature-art,.download-art{display:none}}

/* Instrument family learning guide. */
.instrument-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;align-items:center;margin-block:30px 50px}.instrument-intro p{color:var(--muted);font-size:1.1rem;max-width:600px;margin-block:24px}.instrument-intro img{border-radius:28px;width:100%;display:block}.instrument-basics h2{font-size:1.9rem;margin-bottom:18px}.instrument-basics>p,.instrument-lead{max-width:920px;color:var(--muted)}.family-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.family-links a{border:1px solid #d6cbe6;border-radius:99px;padding:10px 18px;background:#fff;text-decoration:none;color:var(--purple-dark);font-size:.9rem}.family-links a:hover{background:var(--lilac)}.instrument-families{display:grid;grid-template-columns:1fr 1fr;gap:24px}.instrument-family{border:1px solid var(--line);background:#fff;border-radius:24px;padding:32px;scroll-margin-top:110px}.instrument-family:nth-child(3n+2){background:#f4f0f8}.instrument-family:nth-child(3n){background:#fbf0e6}.instrument-family h2{font-size:1.7rem;margin-bottom:20px}.instrument-family h3{font-size:1.1rem;margin-block:20px 10px}.instrument-family p,.instrument-family li{font-size:.98rem;color:#575964}.instrument-family ul{padding-inline-start:22px}.instrument-family li+li{margin-top:12px}.instrument-family .instrument-tip{margin-top:22px;padding:17px;border-inline-start:3px solid var(--purple);background:#ffffff99;border-radius:10px}.instrument-family .source-note{font-size:.8rem;margin-top:22px}.instrument-review{max-width:900px}.instrument-review>p{color:var(--muted);margin-block:18px 25px}.instrument-review details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-block:12px;padding:0 22px}.instrument-review summary{padding-block:20px;cursor:pointer;font-weight:600}.instrument-review details p{padding-bottom:22px;color:var(--muted)}.instrument-promo{display:flex;align-items:center;justify-content:space-between;gap:28px;background:#e9eee7;border-radius:24px;padding:34px}.instrument-promo h2{font-size:2rem;margin-bottom:15px}.instrument-promo p{max-width:680px;color:var(--muted)}.instrument-promo>.button{flex-shrink:0}.instrument-basics+.section{scroll-margin-top:110px}.progress-panel h2{font-size:1.5rem}
@media(max-width:760px){.instrument-intro{grid-template-columns:1fr;gap:25px;margin-block:25px 38px}.instrument-intro h1{font-size:2.7rem}.instrument-intro p{font-size:1rem}.instrument-intro img{max-width:480px;margin:auto}.instrument-families{grid-template-columns:1fr;gap:18px}.instrument-family{padding:24px}.instrument-family h2{font-size:1.55rem}.instrument-promo{align-items:flex-start;flex-direction:column;padding:25px}.family-links a{padding:10px 14px;font-size:.85rem}.instrument-review details{padding-inline:18px}}
@media print{.instrument-intro img,.family-links,.instrument-promo,.instrument-review{display:none}.instrument-families{display:block}.instrument-family{break-inside:avoid;margin-bottom:20px;padding:18px}.instrument-intro{display:block}}

/* Metronome */
.metro-home{background:var(--lilac)}.metro-display{text-align:center}.metro-display .eyebrow{margin-bottom:6px}.metro-display strong{display:block;font-size:5.5rem;line-height:1.1;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--purple-dark)}.metro-display>span:last-child{font-size:.85rem;color:var(--muted)}.metro-beats{display:flex;direction:ltr;justify-content:center;gap:12px;margin-top:24px}.metro-beat{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:2px solid #d6cbe6;color:var(--purple-dark);font-weight:700;background:#f5f0fa}.metro-beat.downbeat{border-color:var(--orange)}.metro-beat.active{background:var(--purple);color:white;border-color:var(--purple)}.metro-beat.downbeat.active{background:var(--orange);border-color:var(--orange)}.metro-position{text-align:center;font-size:.9rem;color:var(--muted);margin-top:10px;min-height:30px}.metro-tempo-controls{display:flex;direction:ltr;align-items:flex-end;justify-content:center;gap:20px;margin-top:20px}.metro-tempo-controls label{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.86rem}.metro-tempo-controls input{width:110px;text-align:center;border:1px solid #c9c6cf;border-radius:14px;background:var(--paper);padding:10px;color:var(--ink);font-size:1.25rem}.metro-tempo-controls button{min-width:48px;padding:12px;font-size:1.4rem}.metro-range{width:100%;accent-color:var(--purple);margin-block:25px;direction:ltr}.metro-presets{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;direction:ltr}.metro-presets .button{padding:9px 18px;font-variant-numeric:tabular-nums}.metro-options{margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.metro-options label{flex:1;min-width:180px}.metro-accent{display:flex;gap:10px;align-items:center;font-size:.92rem}.metro-accent input{width:20px;height:20px;accent-color:var(--purple)}.metro-help{font-size:.85rem;color:var(--muted);margin-block:16px 24px}.metro-actions{justify-content:center}#metro-status,#metro-tap-status{text-align:center;font-size:.86rem;color:var(--muted);margin-top:16px}#metro-tap-status:empty{display:none}
@media(max-width:1100px){#main-nav .nav-cta{display:none}}
@media(max-width:760px){#main-nav .nav-cta{display:block}.metro-beats{gap:7px}.metro-beat{width:39px;height:39px}.metro-presets{gap:6px}.metro-presets .button{padding:9px 14px}.metro-display strong{font-size:4.6rem}.metro-options label{min-width:100%}.metro-actions{flex-direction:column;align-items:stretch}}

.metro-position+.metro-actions{margin-top:18px}

/* Worked lessons and a guided path into the existing exercises. */
.lesson-jumps{display:flex;flex-wrap:wrap;gap:10px 24px;padding:16px 0 24px;font-size:.9rem}.lesson-jumps a{color:var(--purple-dark);text-underline-offset:4px}
.lesson-guide{margin-block:56px;padding-top:32px;border-top:1px solid var(--line)}.lesson-guide h3{margin-top:28px;margin-bottom:12px;font-size:1.2rem}.lesson-guide ol{padding-inline-start:24px}.lesson-guide li{margin-block:12px}.lesson-guide table{width:100%;border-collapse:collapse}.lesson-guide caption{text-align:right;font-weight:700;padding:12px 0}.lesson-guide details,.legal-content details{padding:18px 0;border-bottom:1px solid var(--line)}.lesson-guide summary,.legal-content summary{cursor:pointer;font-weight:700;color:var(--purple-dark)}.lesson-guide details p,.legal-content details p{margin-top:14px}.guide-return{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:30px}#lesson-guide,#exercise{scroll-margin-top:110px}
.start-callout{margin-block:52px;padding:36px;border:1px solid #dfd3ee;background:var(--lilac);border-radius:24px;display:flex;gap:32px;align-items:center;justify-content:space-between}.start-callout h2{font-size:1.8rem;margin-bottom:12px}.start-callout p{max-width:680px}.start-callout>.button{flex-shrink:0}.start-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-block:36px}.start-steps article{padding:30px;border:1px solid var(--line);border-radius:24px;background:#fffdf9}.start-steps article:last-child{grid-column:1/-1}.start-steps h2{font-size:1.6rem;margin-bottom:16px}.start-steps p{margin-block:16px}.contact-card{max-width:800px;padding:30px;border-radius:24px;background:var(--lilac);margin-bottom:36px}.contact-card h2{font-size:1.4rem}.contact-email{display:inline-block;font-size:clamp(1.2rem,5vw,1.9rem);margin-block:18px;color:var(--purple-dark);overflow-wrap:anywhere}.contact-card p{max-width:650px}
@media(max-width:760px){.start-callout{padding:26px;flex-direction:column;align-items:flex-start}.start-steps{grid-template-columns:1fr}.start-steps article{padding:24px}.lesson-jumps{gap:12px 20px}.lesson-guide{margin-top:36px}.contact-card{padding:24px}}

@media(min-width:761px) and (max-width:1000px){.header-inner{min-height:76px;justify-content:space-between}.nav-toggle{display:block}#main-nav{display:none;position:absolute;top:76px;right:0;left:0;padding:24px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 20px 20px #22263709}#main-nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}#main-nav a{padding:12px}#main-nav .nav-cta{display:block}}

@media(max-width:1000px){#main-nav{max-height:calc(100dvh - 76px);overflow-y:auto}}

.blank-paper{margin-block:30px 48px;scroll-margin-top:110px}.blank-paper>h2{font-size:2rem;margin-bottom:14px}.blank-paper>p{max-width:760px;color:var(--muted);line-height:1.8}.blank-paper .lesson-cards{margin-block:26px}.blank-paper-card{display:flex;flex-direction:column;align-items:stretch;gap:12px}.blank-paper-card h3{margin:0;font-size:1.25rem}.blank-paper-card p{margin:0}.blank-paper-card .paper-meta{font-size:.78rem;margin-top:auto}.blank-paper-card>a:last-child{text-align:center;font-size:.88rem;padding:8px}.paper-preview{width:100%;height:auto;color:#403249;background:white;border-radius:12px}.paper-print-help{font-size:.85rem}#workbook{scroll-margin-top:110px}

.game-tabs{flex-wrap:wrap;gap:10px}.game-tabs .button{white-space:normal}#accidentals{scroll-margin-top:110px}.acc-level-help{font-size:.84rem;color:var(--muted);margin-bottom:20px}#acc-symbol{display:flex;justify-content:center;margin:22px 0}.accidental-symbol{width:156px;height:156px;color:var(--purple-dark);background:var(--lilac);border-radius:24px}#acc-answers{grid-template-columns:repeat(2,minmax(0,1fr))}#acc-level{max-width:100%}.acc-guide-symbols{font-size:2rem;letter-spacing:.25em}.acc-guide{scroll-margin-top:110px}#acc-feedback{margin-top:20px}
@media(max-width:760px){.game-tabs .button{font-size:.85rem;padding:10px 13px}#acc-answers{grid-template-columns:1fr}.accidental-symbol{width:132px;height:132px}}

#acc-question{scroll-margin-top:110px}

/* Site address repeats in the page margin without covering printed content. */
@media print{@page{margin:16mm 16mm 22mm;@bottom-center{content:"https://music-web.com";font:10pt Arial,sans-serif;color:#000;direction:ltr}}}

@media(max-width:760px){.header-inner{gap:12px}}
@media(max-width:400px){.site-header .brand{font-size:1.05rem}}

/* Contextual learning routes, available without JavaScript. */
.related-learning{margin:40px 0;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.related-learning h2{margin:0 0 20px}.related-learning ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:0;padding:0;list-style:none}.related-learning h3{font-size:1.1em;margin:0 0 8px}.related-learning p{margin:0;color:var(--muted)}.related-learning a{text-decoration:underline}.related-learning li{min-width:0}@media(max-width:760px){.related-learning{padding:20px}.related-learning ul{grid-template-columns:1fr}}@media print{.related-learning{display:none}}