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.button{width:100%;max-width:385px}.purchase-note{display:block;color:var(--muted);font-size:10px;margin-top:10px}.checkout-status{font-size:12px;max-width:380px;margin-top:9px;min-height:0}.detail-facts{display:flex;justify-content:space-between;gap:25px;border-block:1px solid var(--line);padding-block:25px;font-size:12px;color:var(--muted)}.detail-facts strong{font-size:24px;color:var(--ink);font-weight:500;margin-right:8px}.lesson-row{display:grid;grid-template-columns:55px 1fr 190px;gap:20px;align-items:center;border-top:1px solid var(--line);padding-block:23px}.lesson-row:last-child{border-bottom:1px solid var(--line)}.lesson-number{font-size:11px;color:var(--accent-ink)}.lesson-row h3{font-size:21px}.lesson-row p{font-size:13px;margin-top:7px}.lesson-tag{font-size:11px;color:var(--muted);text-align:right}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:85px}.fit-grid h2{font-size:35px;margin:17px 0 25px}.fit-grid 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12px}.lesson-body p{font-size:15px}.notation{font-family:var(--serif);font-size:36px!important;text-align:center;background:#eef5f5;padding:23px;margin:25px 0}.notation span{font-size:20px;margin:0 10px;color:var(--muted)}.notation small{display:block;font-family:var(--font);font-size:12px;margin-top:8px}.exercise{background:#e9f4f4;padding:25px;margin-block:30px}.exercise h3{margin-top:10px}.exercise details{margin-top:22px;padding-bottom:0;border-color:#bac2ae}.sample-download{border-block:1px solid var(--line);padding:25px 0;margin-top:35px}.sample-download>span{display:block;color:var(--muted);font-size:11px;margin-top:8px}.next-lesson{text-align:center;background:#edf5f5;padding:45px 25px;margin-top:55px}.next-lesson h2{margin:15px 0}.next-lesson p:not(.eyebrow){font-size:14px;max-width:420px;margin:0 auto 25px}.order-page{padding-block:100px;min-height:65vh;max-width:820px}.order-page h1{font-size:48px;letter-spacing:-2px;margin:18px 0}.order-page .lead{margin-bottom:25px}.order-page .text-link{display:table;margin-top:30px}.order-page [data-order-help]{margin-top:20px;max-width:580px}.order-page button{margin-top:10px}.skip{position:absolute;top:-100px;left:12px;z-index:20;background:var(--ink);color:white;padding:10px}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(min-width:1500px){.hero h1{font-size:76px}.art-title{font-size:58px}}@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{gap:40px}.hero-actions{gap:18px;align-items:start;flex-direction:column}h1{letter-spacing:-2.5px}.main-site{margin-left:0}.hero{padding-block:55px}.art-title{font-size:4.3vw}.product-cover-link{padding:28px}.product-copy{padding:30px}.sample-grid{gap:35px}.sample-grid h2{font-size:37px}.player{padding:22px}.product-hero{gap:45px}.fit-grid{gap:40px}}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{padding-block:20px}.brand{font-size:14px;gap:9px}.brand-mark{gap:3px}.brand-mark i{width:3px}.site-header nav{gap:19px;font-size:11px}.main-site{display:none}.hero{grid-template-columns:1fr;padding-top:43px;padding-bottom:40px;gap:40px}.hero h1{font-size:clamp(41px,8.5vw,62px);letter-spacing:-2.3px}.hero .lead{font-size:16px;max-width:440px}.hero-actions{flex-direction:row;align-items:center;gap:20px;flex-wrap:wrap}.hero-art-link{max-width:480px;width:90%;margin:0 auto}.kit-art{padding:24px 27px 18px}.art-title{font-size:clamp(37px,7.8vw,59px);margin-top:25px}.art-top{font-size:8px}.art-bottom{left:27px;right:27px;font-size:6px}.principles .wrap{font-size:10px;gap:12px;padding-block:17px}.principles span:before{display:block;font-size:14px;margin-bottom:3px}.section{padding-block:50px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:20px;font-size:13px}h2{font-size:35px;letter-spacing:-1.5px}.product-row{grid-template-columns:1fr}.product-cover-link{padding:28px 50px}.small-art{max-width:340px;margin:auto;padding:20px 24px;aspect-ratio:1.1}.small-art .art-title{font-size:36px}.small-art .art-bottom{font-size:5px}.product-copy{padding:28px}.product-copy h3{font-size:28px}.product-bottom .text-link{font-size:11px}.sample-band{padding-block:45px}.sample-grid{grid-template-columns:1fr;gap:30px}.sample-band p{max-width:100%}.player{padding:22px 18px}.approach-grid{grid-template-columns:1fr;gap:23px;margin-top:26px}.approach-grid h3{margin-top:10px}.approach-grid p{max-width:430px}.journal-strip{align-items:start;flex-direction:column;margin-bottom:45px;gap:20px}.journal-strip h2{font-size:26px}.site-footer{grid-template-columns:1fr 1fr;gap:30px}.footer-note{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px}.footer-note p{margin-top:10px}.product-hero{grid-template-columns:1fr;gap:35px;padding-top:30px}.product-hero>.kit-art,.product-hero>div:first-child{max-width:430px;margin:auto;width:90%}.detail-copy h1{font-size:43px}.detail-copy .lead{max-width:100%}.detail-facts{display:grid;grid-template-columns:1fr 1fr;gap:15px}.detail-facts strong{font-size:22px}.lesson-row{grid-template-columns:27px 1fr;gap:12px;padding-block:20px}.lesson-tag{grid-column:2;text-align:left;font-size:10px}.lesson-row h3{font-size:20px}.fit-grid{grid-template-columns:1fr;gap:40px}.closing h2{font-size:40px}.sample-lesson{padding-top:35px}.sample-lesson h1{font-size:47px;letter-spacing:-2px}.lesson-body h2{font-size:27px}.sample-download .text-link{font-size:12px}.order-page{padding-block:60px}.order-page h1{font-size:39px}.hero-actions .button{font-size:12px;padding-inline:17px}.mode-switch button{font-size:9px}.player-caption strong{font-size:9px}.player-caption>span{font-size:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.product-row+.product-row{margin-top:28px}
@media(max-width:760px){.kit-art{aspect-ratio:1}.kit-art:not(.small-art) .chord-orbit{height:48px;margin-top:16px}.kit-art:not(.small-art) .chord-orbit span{width:42px;height:42px;font-size:23px}.small-art{aspect-ratio:1.05}}

/* Brand source: realworldmusictheory.com, inspected 2026-09-29.
   Original white SVG wordmark and favicon are reused without alteration.
   #469d9e is the main site's published Ghost accent color. */
.site-header{width:100%;padding:23px max(56px,calc((100vw - 1240px)/2));background:#285f60;border:0;color:white}
.brand{display:flex;flex-direction:column;align-items:flex-start;gap:5px}
.brand img{width:248px;height:auto;display:block}
.brand-shop{margin:0 0 0 58px;color:inherit;font-size:9px;letter-spacing:2px}
.site-header nav a:hover{color:#cce8e8}
h1,h2,h3{font-weight:700}em{font-style:normal;font-weight:inherit}
.hero h1 em{color:var(--accent-ink)}
.button{background:var(--accent-ink);border-color:var(--accent-ink);border-radius:5px}
.kit-art{background:#2d7778;box-shadow:0 14px 30px #15363719}
.chord-orbit span{background:#2d7778;border-color:#ffffffaa}
.chord-orbit span:nth-child(3){background:white;color:#286f70}
.chord-orbit svg{stroke:white}
.art-top img{width:140px;height:auto;align-self:start}
.art-title{font-weight:600}.art-title em{font-size:1em}
.art-bottom{border-color:#ffffff80}.art-caption{color:var(--muted)}
.small-art .art-top img{width:105px;height:auto}
.small-art .art-title{font-weight:600}
.product-cover-link{background:#dcecec}
.product-meta span:last-child{border-color:#a8c4c4}
.product-bottom{border-color:#c8dada}
.included-inline{color:#506565}
.sample-band{background:#285f60}
.sample-band .eyebrow{color:#c6e4e4}.sample-band p{color:#e0eeee}
.sample-band .player .eyebrow{color:var(--muted)}
.site-footer{background:#285f60;color:white;width:100%;padding:40px max(56px,calc((100vw - 1240px)/2))}
.site-footer .brand img{width:215px}.site-footer p,.site-footer .footer-note>span,.site-footer .footer-note p{color:#d6e9e9}
.site-footer .brand-shop{margin-left:51px}.footer-links a:hover{color:#c6e4e4}
@media(max-width:1100px){.site-header,.site-footer{padding-inline:32px}.site-header .brand img{width:220px}}
@media(max-width:760px){.site-header{padding:18px 20px;gap:20px}.site-header .brand img{width:180px}.brand-shop{margin-left:43px;font-size:8px}.site-header nav{gap:14px}.site-header nav a{font-size:10px}.site-footer{padding:30px 20px}.site-footer .brand img{width:165px}.site-footer .brand-shop{margin-left:39px}.art-top img{width:125px}.small-art .art-top img{width:100px}}
@media(max-width:370px){.site-header .brand img{width:150px}.site-header{gap:12px}.site-header nav{gap:10px}}

/* Keep exercise answers closed until the reader opens them. */
details.answer:not([open])>:not(summary){display:none}

.song-workbook-cover{display:block;width:100%;max-width:420px;height:auto;box-shadow:0 20px 50px #172a2b24}.product-row .song-workbook-cover{max-width:260px;aspect-ratio:auto;padding:0;margin-inline:auto}.workbook-preview{padding:30px 0 70px}.workbook-preview h2{margin-bottom:24px}.workbook-preview video{display:block;width:100%;aspect-ratio:16/9;background:#225b5d;border-radius:4px}.workbook-preview>p{font-size:13px;margin-top:12px}.song-lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px 44px}.song-lesson-grid article{display:flex;gap:20px;border-top:1px solid var(--line);padding-top:24px}.song-lesson-grid img{width:110px;height:100px;object-fit:cover}.song-lesson-grid h3{font-size:20px}.song-lesson-grid p{font-size:15px;margin:8px 0 10px}.song-lesson-grid .text-link{font-size:12px}.workbook-formats{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;padding:64px 0}.workbook-formats p{margin-top:20px}.workbook-formats img{width:100%;max-width:450px;box-shadow:0 12px 40px #172a2b20}.fit-grid p+p{margin-top:20px}@media(max-width:650px){.song-lesson-grid{grid-template-columns:1fr}.song-lesson-grid img{width:85px;height:80px}.workbook-formats{grid-template-columns:1fr;gap:30px}.detail-hero .song-workbook-cover{max-width:300px;margin:auto}.workbook-preview{padding:20px 0 40px}}

/* Song artwork introduces the workbook on both desktop and mobile. */
.song-hero-band{background:#edf5f5;border-bottom:1px solid var(--line)}
.song-product-hero{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center;padding-block:48px 56px}
.song-hero-copy h1{font-size:clamp(58px,6vw,86px);letter-spacing:-4px;margin:20px 0 24px}
.song-hero-copy .lead{max-width:440px;font-size:19px;line-height:1.65}
.song-hero-copy .purchase{margin-block:26px 18px}
.song-hero-copy .hero-note{font-size:12px}
.song-hero-art{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;min-width:0}
.song-hero-art a{display:block;position:relative;overflow:hidden;aspect-ratio:4/3;border-radius:5px;box-shadow:0 4px 12px #172a2b16;background:#225b5d}
.song-hero-art img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .2s}
.song-hero-art a:hover img{transform:scale(1.04)}
.song-hero-art span{position:absolute;inset:auto 0 0;padding:22px 8px 7px;background:linear-gradient(transparent,#102b2bd9);color:white;font-size:11px;line-height:1.25;font-weight:600}
.song-lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.song-lesson-grid article{display:block;border:1px solid var(--line);padding:0;background:#fff;overflow:hidden;border-radius:5px}
.song-lesson-grid img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.song-lesson-grid article>div{padding:20px 22px 24px}
@media(max-width:1000px){.song-product-hero{gap:32px;grid-template-columns:1fr 1fr}.song-hero-art{gap:7px}.song-hero-art span{font-size:10px}.song-hero-copy h1{letter-spacing:-3px}.song-hero-copy .lead{font-size:17px}.song-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.song-product-hero{grid-template-columns:1fr;padding-block:32px;gap:28px}.song-hero-copy h1{font-size:58px;line-height:1.05;margin-block:16px 20px}.song-hero-copy h1 br{display:none}.song-hero-copy .lead{max-width:540px}.song-hero-art{gap:8px}.song-hero-art span{font-size:11px}.workbook-preview{padding-top:36px}.song-lesson-grid{gap:18px}.song-lesson-grid article>div{padding:16px}.song-lesson-grid h3{font-size:18px}.song-lesson-grid p{font-size:14px}}
@media(max-width:450px){.song-hero-copy h1{font-size:48px}.song-hero-art span{font-size:9px}.song-lesson-grid{grid-template-columns:1fr}.song-lesson-grid h3{font-size:22px}}
.workbook-preview .video-credit{font-size:11px;color:var(--muted)}.video-credit a{text-decoration:underline;text-underline-offset:3px}

/* Techniques lead the curriculum; song artwork remains a compact reference. */
.song-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.song-lesson-grid article{display:flex;align-items:flex-start;gap:20px;border:0;border-top:1px solid var(--line);border-radius:0;padding-block:26px;background:transparent;overflow:visible}
.song-lesson-grid img{width:100px;height:88px;flex:none;object-fit:cover;border-radius:3px;margin-top:3px}
.song-lesson-grid article>div{padding:0;min-width:0}
.song-lesson-grid h3{font-size:23px;line-height:1.25;letter-spacing:-.5px}
.song-lesson-grid .song-example{font-size:14px;margin:9px 0 8px}
.song-lesson-grid .analysis-link{font-size:11px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.song-lesson-grid .analysis-link:hover{color:var(--accent-ink)}
.workbook-faq{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px}
.workbook-faq h2{margin-top:15px;max-width:360px}
.workbook-faq details{padding-block:20px}
.workbook-faq summary{font-size:16px}
.workbook-faq details p{line-height:1.7;max-width:580px}
.workbook-closing{background:#225b5d;color:white;padding-block:64px}
.workbook-closing>.wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:85px;align-items:center}
.workbook-closing img{display:block;width:100%;max-width:290px;justify-self:center;transform:rotate(-3deg);box-shadow:0 16px 40px #0b242866}
.workbook-closing .eyebrow,.workbook-closing .purchase-note{color:#d6e9e9}
.workbook-closing h2{font-size:clamp(40px,4.5vw,64px);margin:18px 0 24px;letter-spacing:-2px}
.workbook-closing p:not(.eyebrow){color:#e0eeee;max-width:520px;font-size:18px;line-height:1.65}
.workbook-closing .button{background:white;border-color:white;color:#225b5d;font-size:15px}
.workbook-closing .button:hover{background:#d6e9e9}
@media(max-width:1000px){.song-lesson-grid{gap:0 30px}.song-lesson-grid img{width:80px;height:75px}.song-lesson-grid article{gap:16px}.song-lesson-grid h3{font-size:21px}}
@media(max-width:760px){.song-lesson-grid{grid-template-columns:1fr}.song-lesson-grid img{width:90px;height:80px}.song-lesson-grid h3{font-size:23px}.workbook-faq{grid-template-columns:1fr;gap:24px}.workbook-closing>.wrap{grid-template-columns:1fr;gap:35px}.workbook-closing img{max-width:190px}.workbook-closing{padding-block:48px}.workbook-closing h2{font-size:42px}.workbook-closing p:not(.eyebrow){font-size:16px}}
.song-curriculum>.purchase{margin:32px auto 0}
.sample-hub h1{margin:18px 0 24px}.sample-hub>.lead{max-width:650px}.sample-choices{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:45px}.sample-choices article{display:grid;grid-template-columns:160px 1fr;gap:26px;align-items:center;padding:28px;border:1px solid var(--line);background:#edf5f5}.sample-choice-art{display:block;min-width:0}.sample-choice-art .song-workbook-cover{max-width:160px}.sample-choice-art .kit-art{padding:12px;aspect-ratio:.8}.sample-choice-art .art-top img{width:90px}.sample-choice-art .art-top span{display:none}.sample-choice-art .art-title{font-size:23px;letter-spacing:-.8px;margin-top:22px}.sample-choice-art .chord-orbit{height:35px;margin:16px 0}.sample-choice-art .chord-orbit span{width:25px;height:25px;font-size:15px}.sample-choice-art .art-bottom{font-size:5px;left:12px;right:12px;bottom:12px}.sample-choices h2{font-size:28px;letter-spacing:-1px;margin:14px 0}.sample-choices p:not(.eyebrow){font-size:14px}.sample-choices .button{margin:22px 0 16px;padding-inline:18px}.sample-product-link{display:block;font-size:12px;text-decoration:underline;text-underline-offset:3px}.song-hero-links{display:flex;gap:24px;flex-wrap:wrap;align-items:center}.sample-invitation{margin-top:25px;padding:18px 22px;background:#edf5f5;border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:25px}.sample-invitation p{font-size:15px;color:var(--ink)}
@media(max-width:1100px){.sample-choices{grid-template-columns:1fr}.sample-choices article{grid-template-columns:150px 1fr}.sample-choice-art{max-width:150px}.sample-choices h2{font-size:30px}}
@media(max-width:600px){.sample-choices article{grid-template-columns:100px 1fr;gap:20px;padding:20px}.sample-choices h2{font-size:23px}.sample-choice-art .art-title{font-size:17px;margin-top:15px}.sample-choice-art .art-top img{width:67px}.sample-choice-art .art-bottom{display:none}.sample-choice-art .chord-orbit span{width:20px;height:20px;font-size:12px}.sample-invitation{align-items:flex-start;flex-direction:column;gap:15px}.song-hero-links{gap:16px}}