:root{--navy:#102b50;--blue:#1766c2;--blue2:#eaf3ff;--ink:#18324d;--muted:#61758b;--line:#dce6f0;--gold:#f3b944;--green:#2d9a71;--bg:#f5f8fc;--white:#fff;--shadow:0 12px 32px #15365a12}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,select,input{font:inherit}.wrap{max-width:1180px;margin:auto;padding:0 28px}.top{background:#fff;border-bottom:1px solid var(--line)}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--navy);letter-spacing:-.4px}.pick{width:34px;height:40px;background:var(--blue);clip-path:polygon(50% 0,90% 22%,74% 83%,50% 100%,26% 83%,10% 22%);display:grid;place-items:center;color:#fff;font-size:19px}.links{display:flex;gap:26px;color:#4e6378;font-size:14px;font-weight:650}.links a:hover,.links a.active{color:var(--blue)}.navbtn,.primary,.secondary{padding:12px 17px;border-radius:9px;font-size:13px;font-weight:750}.navbtn,.primary{background:var(--blue);color:#fff;box-shadow:0 5px 12px #1766c226}.secondary{border:1px solid #c8d8e9;color:var(--navy);background:#fff}.hero{background:linear-gradient(116deg,#f8fbff 0%,#edf5ff 56%,#e0edff 100%);border-bottom:1px solid #dbe8f7}.hero-inner{padding:49px 0 39px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue);font-weight:800;display:flex;align-items:center;gap:8px}.eyebrow:before{content:"";width:19px;height:2px;background:var(--gold)}h1{font-size:48px;line-height:1.08;letter-spacing:-2.1px;color:var(--navy);margin:16px 0 13px;max-width:650px}.hero p,.lede{font-size:17px;line-height:1.6;color:#546b82;max-width:620px;margin:0 0 23px}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.hero-note{font-size:11px;color:#6d8194;margin-top:14px}.mini-tool,.panel,.card,.toolbox,.guide-card{background:#fff;border:1px solid #d7e3f0;border-radius:14px;box-shadow:var(--shadow)}.mini-tool{padding:22px;max-width:520px;width:100%;justify-self:end}.toolhead{display:flex;justify-content:space-between;align-items:center;color:var(--navy);font-size:14px;font-weight:800;gap:12px}.status-pill{font-size:10px;color:var(--green);background:#e9f8f2;border-radius:20px;padding:6px 9px;font-weight:800;white-space:nowrap}.note{font-size:12px;color:#8292a2;margin:4px 0 3px}.dial{height:122px;display:flex;align-items:center;justify-content:center;position:relative}.arc{width:188px;height:91px;border:8px solid transparent;border-top-color:#e6edf4;border-left-color:#e6edf4;border-right-color:#e6edf4;border-radius:110px 110px 0 0;position:absolute;top:21px}.needle{height:68px;width:2px;background:var(--blue);position:absolute;top:35px;transform:rotate(0);transform-origin:bottom;box-shadow:0 0 0 3px #1766c217;transition:transform .12s}.dialtext{position:absolute;top:77px;text-align:center}.dialtext strong{display:block;font-size:28px;line-height:1;color:var(--navy)}.dialtext small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.strings{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin-top:5px}.string{border:1px solid var(--line);border-radius:8px;text-align:center;padding:8px 2px;color:#667b90;font-size:10px}.string b{display:block;color:var(--navy);font-size:12px;margin-bottom:4px}.string.on{border-color:#89b4e9;background:#f0f7ff;color:var(--blue)}.mic{margin-top:12px;background:#f3f8fe;border-radius:8px;padding:9px 11px;display:flex;align-items:center;gap:9px;font-size:11px;color:#536d84}.mic span{width:23px;height:23px;border-radius:50%;background:#dcecff;color:var(--blue);display:grid;place-items:center;font-size:12px;flex:none}.section{padding:34px 0}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:17px;gap:15px}.section h2{font-size:23px;letter-spacing:-.7px;color:var(--navy);margin:0}.sub{font-size:13px;color:#75869a;margin-top:5px}.all{font-size:12px;color:var(--blue);font-weight:750;white-space:nowrap}.tools{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.card{border-radius:12px;padding:17px 16px 15px;min-height:150px;transition:transform .18s,box-shadow .18s}.card:hover,.guide-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.icon{height:35px;width:35px;background:var(--blue2);border-radius:9px;display:grid;place-items:center;color:var(--blue);font-size:19px;margin-bottom:12px}.card h3{font-size:14px;margin:0 0 6px;color:var(--navy)}.card p{font-size:11px;line-height:1.45;margin:0;color:#73869a}.section-band{background:#eff5fb;border-top:1px solid #e1eaf4;border-bottom:1px solid #e1eaf4}.bar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 21px;display:grid;grid-template-columns:1.05fr 1.55fr .9fr;gap:18px;align-items:center;box-shadow:0 5px 16px #17385708}.bar-title strong{display:block;font-size:14px;color:var(--navy)}.bar-title small{font-size:11px;color:var(--muted)}.tempo{display:flex;align-items:center;gap:10px}.tap,.stepbtn{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--navy);font-size:17px;cursor:pointer}.bpm{font-size:26px;font-weight:850;color:var(--navy);letter-spacing:-1px;min-width:79px;text-align:center}.bpm small{font-size:10px;color:#718398;font-weight:650;letter-spacing:0}.slider{height:4px;background:#e4ecf5;border-radius:9px;position:relative;flex:1}.slider input{width:100%;accent-color:var(--blue)}.play{justify-self:end;background:var(--blue);color:white;border:0;border-radius:9px;padding:11px 18px;font-weight:800;font-size:12px;cursor:pointer}.learn{display:grid;grid-template-columns:1fr 1fr;gap:15px}.guide-card{border-radius:13px;padding:19px 20px;display:flex;align-items:center;gap:15px;transition:transform .18s}.guide-card .icon{flex:none;margin:0}.guide-card strong{display:block;color:var(--navy);font-size:14px;margin-bottom:5px}.guide-card small{font-size:11px;color:var(--muted);line-height:1.5}.arrow{margin-left:auto;color:var(--blue);font-size:19px}.footer{background:var(--navy);color:#dce8f5;margin-top:16px}.foot{padding:24px 0;display:flex;justify-content:space-between;gap:20px;align-items:center}.foot .brand{color:#fff;font-size:15px}.foot .pick{background:var(--gold);color:var(--navy);width:27px;height:31px;font-size:14px}.footnote{font-size:11px;color:#b8c9db}.footlinks{font-size:11px;color:#c5d5e5;display:flex;gap:20px;flex-wrap:wrap}.crumb{font-size:12px;color:#74879b;padding:19px 0 0}.page-intro{padding:8px 0 24px}.page-intro h1{font-size:38px;margin:10px 0}.page-intro .lede{font-size:15px;margin:0;max-width:800px}.panel{padding:22px;margin:0 0 19px}.panel h2{font-size:18px;color:var(--navy);margin:0 0 14px}.control-row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.field{display:grid;gap:6px;font-size:12px;color:#61758b;font-weight:700}.field select,.field input[type=number],.field input[type=text]{border:1px solid #cddae8;background:#fff;border-radius:8px;padding:10px 12px;color:var(--navy);min-height:42px;min-width:140px}.btn{border:0;border-radius:9px;background:var(--blue);color:#fff;padding:12px 17px;font-size:13px;font-weight:800;cursor:pointer}.btn:hover,.play:hover,.primary:hover,.navbtn:hover{background:#1056a6}.btn.light{background:#edf5ff;color:var(--blue);border:1px solid #d0e2f7}.btn:disabled{opacity:.55;cursor:not-allowed}.message{font-size:13px;color:#57708a;min-height:20px;margin-top:12px}.message.error{color:#ad3b3b}.message.good{color:var(--green)}.tool-display{margin-top:18px}.fretboard-wrap{overflow-x:auto;border:1px solid #d7e2ee;border-radius:11px;background:#fff;padding:10px}.fretboard{min-width:740px;display:grid;grid-template-columns:58px repeat(13,minmax(42px,1fr));gap:0;position:relative}.fb-head,.fb-label{font-size:10px;color:#718398;text-align:center;padding:7px 2px}.fb-label{text-align:right;padding-right:12px;font-weight:750;color:#425c77}.fb-cell{height:43px;border-top:1px solid #d0b99b;border-right:2px solid #cab18f;display:grid;place-items:center;position:relative;background:linear-gradient(90deg,#fffefa,#f9f4e9)}.fb-cell:nth-child(14n+2){border-left:4px solid #a4b3c2}.fb-cell .dot{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#e7f1ff;color:#165db0;font-size:10px;font-weight:800;z-index:1}.fb-cell .dot.root{background:var(--blue);color:#fff}.fb-cell .dot.chord{background:#fcecc6;color:#7d5410}.fb-cell .dot.muted{background:#eef1f5;color:#64778c}.metric{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}.metric-box{background:#f4f8fc;border:1px solid var(--line);border-radius:9px;padding:12px 14px;min-width:120px}.metric-box strong{display:block;font-size:20px;color:var(--navy)}.metric-box small{font-size:10px;color:var(--muted)}.tuner-large{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:center}.tuner-gauge{min-height:260px;display:grid;place-items:center;position:relative}.tuner-gauge .arc{width:min(390px,85%);height:175px;top:20px;border-width:12px}.tuner-gauge .needle{height:140px;top:52px;width:3px}.tuner-gauge .dialtext{top:145px}.tuner-gauge .dialtext strong{font-size:54px}.tuner-gauge .dialtext small{font-size:14px}.frequency{font-size:13px;color:#677e94;text-align:center;margin-top:3px}.timer{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.timer-circle{width:min(240px,100%);aspect-ratio:1;border-radius:50%;border:12px solid #eaf1f8;display:grid;place-items:center;margin:auto;background:radial-gradient(circle,#fff 66%,#f3f8fe 67%)}.timer-circle strong{font-size:43px;color:var(--navy);letter-spacing:-2px}.timer-circle small{display:block;text-align:center;font-size:11px;color:var(--muted)}.timer-progress{height:8px;background:#e8eff6;border-radius:9px;overflow:hidden;margin:17px 0}.timer-progress span{display:block;height:100%;width:100%;background:var(--blue);transition:width .3s}.timer-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.faq{display:grid;gap:10px}.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 15px}.faq summary{cursor:pointer;color:var(--navy);font-weight:750;font-size:13px}.faq p{color:#60758a;font-size:13px;line-height:1.55;margin:10px 0 0}.disclosure{border-left:3px solid var(--gold);padding:11px 13px;background:#fff8e9;color:#6c5c3e;font-size:11px;line-height:1.5}.empty{background:#f5f8fc;border:1px dashed #c9d6e3;border-radius:10px;padding:18px;text-align:center;color:#72849a;font-size:12px}.callout{background:#edf5ff;border:1px solid #d5e7fb;border-radius:11px;padding:16px;color:#3f607f;font-size:13px;line-height:1.55}.callout strong{color:var(--navy)}
@media(max-width:850px){.hero-inner{grid-template-columns:1fr;gap:28px;padding-top:38px}.tools{grid-template-columns:repeat(3,1fr)}.bar{grid-template-columns:1fr 1.5fr}.play{grid-column:2;justify-self:end}.links{gap:13px}.mini-tool{max-width:520px;justify-self:start}.tuner-large{grid-template-columns:1fr}.timer{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.gear-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.wrap{padding:0 17px}.nav{height:64px}.links{display:none}.brand{font-size:16px}h1{font-size:37px;letter-spacing:-1.5px}.hero p,.lede{font-size:15px}.hero-inner{padding:34px 0}.tools{grid-template-columns:repeat(2,1fr);gap:10px}.card{min-height:137px;padding:14px}.section{padding:25px 0}.section-head{align-items:start}.section h2{font-size:20px}.sub{max-width:230px;line-height:1.4}.bar{grid-template-columns:1fr;gap:13px}.play{grid-column:auto;justify-self:stretch}.learn{grid-template-columns:1fr}.gear-grid{grid-template-columns:1fr}.gear-art{height:150px}.foot{align-items:flex-start;flex-direction:column}.page-intro h1{font-size:32px}.panel{padding:17px}.control-row{align-items:stretch}.field{flex:1}.field select,.field input{width:100%}.control-row>.btn{width:100%}.timer{grid-template-columns:1fr}.timer-circle{width:205px}.hero-note{font-size:10px}}
.gear-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.gear-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 15px 16px;display:flex;flex-direction:column;box-shadow:0 5px 16px #17385708}.gear-art{height:158px;background:#fff;border:1px solid #edf1f6;border-radius:9px;display:grid;place-items:center;overflow:hidden;color:var(--blue);font-size:34px;margin-bottom:14px;padding:8px}.gear-art img{width:100%;height:100%;object-fit:contain}.gear-card h3{font-size:15px;color:var(--navy);margin:0 0 7px}.gear-card p{font-size:12px;line-height:1.5;color:#62778d;margin:0 0 13px}.gear-action{margin-top:auto;display:block;text-align:center;border:1px solid #b8d2ef;border-radius:8px;padding:10px 12px;background:#f1f7ff;color:var(--blue);font-size:12px;font-weight:750;cursor:pointer;transition:background .16s,color .16s,border-color .16s}.gear-action:hover{background:var(--blue);border-color:var(--blue);color:#fff}.gear-action:focus-visible{outline:3px solid #8bbcf0;outline-offset:2px}.gear-disclosure{font-size:11px;color:#73869a;margin:-5px 0 15px}.gear-disclosure strong{color:#4d657d}
@media(max-width:560px){.gear-grid{grid-template-columns:1fr}.gear-art{height:150px}}
/* Text category panels replace retailer listing images in the gear cards. */
.gear-label{align-content:center;justify-items:start;padding:20px 22px;background:linear-gradient(135deg,#f3f8fe,#e5effa);border-color:#e2ebf5;color:var(--navy)}
.gear-kicker{font-size:9px;font-weight:800;letter-spacing:1.5px;color:#71869d}
.gear-type{margin-top:10px;font-size:21px;font-weight:850;letter-spacing:-.5px;color:var(--navy)}
.gear-note{margin-top:5px;font-size:12px;font-weight:600;color:#53708e}
.gear-label{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px}
.gear-copy{display:flex;flex-direction:column;align-items:flex-start;min-width:0;z-index:1}
.gear-item-image{width:110px;height:138px;flex:0 0 110px;object-fit:contain;filter:drop-shadow(0 5px 7px #19385820)}
@media(max-width:560px){.gear-item-image{width:112px;height:130px;flex-basis:112px}}
.gear-art .gear-item-image{width:110px;height:138px;flex:0 0 110px;object-fit:contain;filter:drop-shadow(0 5px 7px #19385820)}
@media(max-width:560px){.gear-art .gear-item-image{width:112px;height:130px;flex-basis:112px}}
.article{max-width:900px;margin:0 auto 44px}.article .page-intro{padding-top:8px}.article .panel{margin-bottom:16px}.article-copy{font-size:14px;line-height:1.75;color:#536b82;margin:0 0 13px}.article-copy:last-child{margin-bottom:0}.article-copy a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:2px}.article-list{padding-left:22px;margin:0 0 14px;color:#536b82;font-size:14px;line-height:1.75}.article-list li{padding:0 0 8px 3px}.article-list strong{color:var(--navy)}.note-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin:16px 0}.note-strip span{background:#f1f7fd;border:1px solid var(--line);border-radius:8px;padding:10px 4px;text-align:center;color:var(--navy);font-size:12px;font-weight:750}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:4px 0 22px}
@media(max-width:560px){.article-grid{grid-template-columns:1fr}.note-strip{grid-template-columns:repeat(3,1fr)}.article-copy,.article-list{font-size:13px}}