*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#0b0c0e;color:#fff}a{color:inherit;text-decoration:none}.wrap{width:min(1180px,92%);margin:auto}
header{position:sticky;top:0;z-index:10;background:rgba(11,12,14,.95);border-bottom:1px solid #24272b}.nav{min-height:72px;display:flex;align-items:center;gap:34px}.logo{font-size:27px;font-weight:800;letter-spacing:-1px;margin-right:auto}.logo span{font-weight:300}.navlinks{display:flex;gap:26px;color:#c9c9c9;font-size:14px}.navlinks a:hover{color:#fff}
.hero{padding:95px 0 80px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:55px}.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.18em;color:#999;margin-bottom:18px}.hero h1{font-size:clamp(48px,6vw,78px);line-height:.98;letter-spacing:-3px;margin:0 0 25px}.hero h1 span{font-weight:300}.lead{font-size:clamp(18px,2vw,23px);line-height:1.45;color:#c8c8c8;max-width:650px;margin:0 0 30px}.buttons{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-block;border:1px solid #555;padding:13px 20px;font-size:14px}.btn.primary{background:#fff;color:#111;border-color:#fff}.heroimg{text-align:center}.heroimg img{width:min(100%,520px);max-height:330px;object-fit:contain}
section{padding:75px 0}.dark2{background:#111316}.sectionhead{max-width:700px;margin-bottom:35px}.sectionhead h2{font-size:clamp(32px,4vw,48px);letter-spacing:-1.5px;margin:0 0 12px}.sectionhead p{color:#aaa;line-height:1.6;margin:0}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.range{background:#191b1f;border:1px solid #292c31;padding:26px;min-height:190px}.range strong{display:block;font-size:32px;margin-bottom:9px}.range h3{font-size:17px;margin:0 0 10px}.range p{color:#999;font-size:14px;line-height:1.5;margin:0}.feature{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.feature img{width:100%;max-height:400px;object-fit:contain}.feature h2{font-size:clamp(34px,4vw,52px);margin:0 0 15px;letter-spacing:-1.5px}.feature p{color:#aaa;line-height:1.65}.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:25px}.spec div{border-top:1px solid #444;padding-top:12px;color:#aaa;font-size:13px}.spec b{display:block;color:#fff;font-size:20px;margin-bottom:3px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card{background:#17191c;border:1px solid #292c31;padding:28px;min-height:200px}.card h3{font-size:23px;margin:0 0 10px}.card p{color:#999;line-height:1.55;font-size:14px}.tag{display:inline-block;margin-top:14px;color:#ccc;font-size:12px;text-transform:uppercase;letter-spacing:.1em}.about{display:grid;grid-template-columns:1fr 1fr;gap:60px}.about h2{font-size:40px;margin:0}.about p{color:#aaa;line-height:1.7;margin-top:0}footer{border-top:1px solid #292c31;padding:35px 0 50px;color:#777;font-size:13px}.foot{display:flex;justify-content:space-between;gap:20px}
@media(max-width:850px){.nav{flex-wrap:wrap;gap:0;padding:12px 0}.logo{width:100%;margin:0 0 10px}.navlinks{display:flex;width:100%;gap:10px 20px;flex-wrap:wrap;font-size:13px}.hero{grid-template-columns:1fr;padding:65px 0 55px;gap:30px}.heroimg{order:-1}.heroimg img{max-height:220px}.grid4{grid-template-columns:1fr 1fr}.feature,.about{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.feature img{max-height:300px}}
@media(max-width:520px){.nav{min-height:60px}.navlinks{gap:9px 16px;font-size:12px}.hero h1{letter-spacing:-2px}.grid4{grid-template-columns:1fr}.spec{grid-template-columns:1fr 1fr}section{padding:55px 0}.foot{display:block}.foot div+div{margin-top:8px}}
.amp-hero{padding:80px 0 55px}.amp-hero h1{font-size:clamp(50px,7vw,82px);letter-spacing:-3px;margin:0 0 20px}.series-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:35px}.series-nav a{border:1px solid #444;padding:10px 15px;font-size:13px}.series-nav a:hover{background:#fff;color:#111}.amp-series{scroll-margin-top:70px}.series-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:32px}.series-head h2{font-size:clamp(36px,5vw,58px);letter-spacing:-2px;margin:0}.series-head p{color:#aaa;line-height:1.6;margin:0}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.amp-card{background:#17191c;border:1px solid #2b2e33;padding:26px;min-height:205px;display:flex;flex-direction:column}.dark2 .amp-card{background:#0d0f11}.model{font-size:38px;font-weight:800;letter-spacing:-1px;margin-bottom:22px}.power{display:flex;flex-direction:column;gap:6px;color:#aaa;font-size:14px}.power span:first-child{color:#fff;font-weight:700}.more{margin-top:auto;padding-top:24px;font-size:13px;color:#ddd}.more:hover{color:#fff}
@media(max-width:850px){.series-head{grid-template-columns:1fr;gap:12px}.product-grid{grid-template-columns:1fr 1fr}.amp-hero{padding:55px 0 35px}}
@media(max-width:520px){.product-grid{grid-template-columns:1fr}.amp-card{min-height:175px}.series-nav{gap:7px}.series-nav a{padding:9px 11px}}
.range-overview{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.range-tile{display:block;background:#15171a;border:1px solid #292c31;padding:32px;min-height:265px;transition:.15s}.range-tile:hover{border-color:#666;transform:translateY(-2px)}.range-tile h2{font-size:42px;letter-spacing:-1.5px;margin:0 0 12px}.range-tile p{color:#999;line-height:1.55;max-width:520px}.range-models{color:#ddd;font-size:13px;margin:24px 0}.range-tile>span{font-size:13px}.back{display:inline-block;color:#999;font-size:13px;margin-bottom:35px}.relationship{font-size:13px;color:#aaa;margin:-12px 0 18px}.status{margin-top:auto;padding-top:20px;text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:#aaa}
@media(max-width:650px){.range-overview{grid-template-columns:1fr}.range-tile{min-height:220px;padding:25px}.range-tile h2{font-size:36px}}
.pagetitle,.producthero h1{font-size:clamp(44px,6vw,72px);letter-spacing:-2px;margin:0 0 18px}.producthero{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.producthero h2{font-size:clamp(22px,3vw,32px);margin:0 0 18px;color:#ccc}.productgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.productcard{display:block;background:#17191c;border:1px solid #292c31;padding:25px;min-height:190px}.productcard:hover{border-color:#666}.productcard h3{font-size:30px;margin:12px 0}.productcard p{color:#999;line-height:1.5;font-size:14px}.productcard strong{display:block;margin-top:18px}.specgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.specgrid div{background:#17191c;border:1px solid #292c31;padding:20px}.specgrid span{display:block;color:#999;font-size:13px;margin-bottom:8px}.specgrid strong{font-size:20px}.muted,.placeholder{color:#999;line-height:1.6}.placeholder{margin:30px 0}@media(max-width:850px){.producthero{grid-template-columns:1fr}.productgrid{grid-template-columns:1fr 1fr}.specgrid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.productgrid{grid-template-columns:1fr}.specgrid{grid-template-columns:1fr}}

.navitem{position:relative;height:72px;display:flex;align-items:center}.dropdown{display:none;position:absolute;top:71px;left:-20px;width:245px;background:#121417;border:1px solid #303338;padding:8px;box-shadow:0 15px 35px rgba(0,0,0,.35)}.navitem:hover .dropdown{display:block}.dropdown a{display:block;padding:11px 12px;color:#ddd}.dropdown a:hover{background:#202328;color:#fff}.dropdown small{display:block;color:#777;margin-top:3px}.menubtn{display:none;background:none;border:0;padding:10px}.menubtn span{display:block;width:24px;height:2px;background:#fff;margin:5px}
@media(max-width:850px){.menubtn{display:block}.navlinks{display:none;position:absolute;top:60px;left:0;right:0;background:#0d0f11;border-bottom:1px solid #292c31;padding:10px 4% 20px}.menuopen .navlinks{display:block}.navitem{display:block;height:auto}.navlinks>a,.navitem>a{display:block;padding:13px 0;border-bottom:1px solid #24272b}.dropdown,.navitem:hover .dropdown{display:block;position:static;width:auto;border:0;box-shadow:none;background:none;padding:2px 0 8px 15px}.dropdown a{padding:8px 0;color:#999}.dropdown small{display:inline;margin-left:6px}}

@media(max-width:850px){.nav{min-height:54px;gap:8px}.menubtn{padding:7px 7px 7px 0;flex:0 0 auto}.menubtn span{width:21px;margin:4px 0}.logo{font-size:23px;margin-right:auto}.navlinks{top:54px}}

@media(max-width:850px){header .nav{display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center!important;justify-content:flex-start!important}.menubtn{order:1!important}.logo{order:2!important;display:block!important;white-space:nowrap!important;margin:0!important}.navlinks{order:3}}

.productintro{color:#999;line-height:1.65;max-width:650px}.featurelist{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.featurelist div{border-top:1px solid #444;padding:16px 0;color:#ccc;line-height:1.45}.spectable{border-top:1px solid #34373b}.spectable>div{display:grid;grid-template-columns:minmax(180px,.7fr) 1.3fr;gap:25px;padding:13px 0;border-bottom:1px solid #292c31}.spectable span{color:#999}.spectable strong{font-weight:600}.powernote{max-width:850px;color:#888;font-size:13px;line-height:1.6;margin-top:22px}.protection,.downloads{margin-top:35px;max-width:850px}.protection p,.downloads p{color:#999;line-height:1.6}@media(max-width:700px){.featurelist{grid-template-columns:1fr}.spectable>div{grid-template-columns:1fr;gap:5px}}

@media(max-width:850px){.navlinks>a,.navitem>a{font-size:17px;padding:14px 0}.dropdown{padding:5px 0 10px 16px}.dropdown a{font-size:15px;line-height:1.3;padding:10px 0}.dropdown small{font-size:12px;line-height:1.3}}

@media(max-width:850px){
header{z-index:1000}.nav{position:relative}
.navlinks{z-index:1001;max-height:calc(100vh - 54px);overflow-y:auto;-webkit-overflow-scrolling:touch}
.navitem,.dropdown,.dropdown a{position:relative;z-index:auto}
.dropdown a{display:block;pointer-events:auto;touch-action:manipulation}
}


/* Mobile navigation tidy */
@media(max-width:850px){
.navlinks{padding:8px 4% 16px}
.navlinks>a,.navitem>a{font-size:17px;padding:13px 0;margin:0;border-bottom:1px solid #24272b}
.navitem{margin:0;padding:0}
.dropdown,.navitem:hover .dropdown{padding:5px 0 9px 18px;margin:0;border-bottom:1px solid #24272b}
.dropdown a{font-size:15px;line-height:1.25;padding:7px 0;border:0}
.dropdown small{font-size:12px;color:#777;margin-left:7px}
.navitem+.navitem{margin-top:0}
.navitem>.dropdown+a{margin-top:0}
}

/* Keep all desktop navigation items vertically aligned */
@media(min-width:851px){
.navlinks{height:72px;align-items:stretch}
.navlinks>a,.navitem{height:72px;display:flex;align-items:center}
.navlinks>a{padding:0}
.navitem>a{display:flex;align-items:center;height:100%}
}
/* Definitive mobile menu rules */
@media(max-width:850px){
header .nav{min-height:58px;padding:0!important}
.menubtn{width:38px;height:58px;padding:0!important;display:flex;flex-direction:column;justify-content:center}
.menubtn span{width:23px;height:2px;margin:3px 0}
.logo{font-size:24px!important}
.navlinks{display:none!important;position:fixed!important;top:58px!important;left:0!important;right:0!important;width:100%!important;height:auto!important;max-height:calc(100vh - 58px)!important;overflow-y:auto!important;background:#0d0f11!important;padding:8px 20px 24px!important;gap:0!important}
.menuopen .navlinks{display:block!important}
.navlinks>a,.navitem>.navheading{display:block!important;height:auto!important;font-size:19px!important;line-height:1.2!important;padding:15px 0!important;border-bottom:1px solid #303338!important;color:#fff!important}
.navitem{display:block!important;height:auto!important}
.dropdown,.navitem:hover .dropdown{display:block!important;position:static!important;width:100%!important;padding:5px 0 9px 18px!important;margin:0!important;background:transparent!important;border:0!important;border-bottom:1px solid #303338!important;box-shadow:none!important}
.dropdown a{display:block!important;font-size:16px!important;line-height:1.3!important;padding:10px 0!important;color:#bbb!important}
.dropdown small{display:inline!important;font-size:13px!important;color:#777!important;margin-left:6px!important}
}
.dealer-card{position:relative}.dealer-flag{width:42px;height:auto;display:block;margin-bottom:18px;border:1px solid #333}

/* Q10 photography: retain natural proportions and transparent backgrounds. */
.heroimg:has(img[src*="/assets/images/amplifiers/"]),.feature>div:has(>img[src*="/assets/images/amplifiers/"]),.amp-panel,.amp-card-image{background:radial-gradient(ellipse at center,#30343b 0%,#171a1f 65%,#111316 100%);padding:24px;border:1px solid #292c31;border-radius:8px}
.heroimg img[src*="/assets/images/amplifiers/"],.feature img[src*="/assets/images/amplifiers/"]{height:auto;filter:drop-shadow(0 12px 10px rgba(0,0,0,.45))}
.amp-panel{display:block;padding:clamp(16px,4vw,45px)}.amp-panel img{display:block;width:100%;height:auto}.amp-card-image{margin:16px 0;padding:16px}.amp-card-image img{display:block;width:100%;height:auto}

/* Official JAM Systems logo */
header .logo img{display:block;width:104px;height:auto;max-height:54px;object-fit:contain}
@media(max-width:850px){header .logo img{width:83px;max-height:42px}}

.workshop-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.workshop-gallery figure{margin:0}.workshop-gallery a{display:block;background:#17191c;border:1px solid #292c31}.workshop-gallery img{display:block;width:100%;height:360px;object-fit:cover}.workshop-gallery figcaption{color:#aaa;font-size:14px;line-height:1.5;padding:12px 0}@media(max-width:650px){.workshop-gallery{grid-template-columns:1fr}.workshop-gallery img{height:auto;max-height:520px;object-fit:contain}}