/* Satella Power storefront. One stylesheet, no framework. September 2026. */
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/instrument-sans-400-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:italic;font-weight:400;font-display:swap;src:url('/assets/fonts/instrument-sans-400-italic.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/instrument-sans-500-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/instrument-sans-600-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/instrument-sans-700-normal.woff2') format('woff2')}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:400;font-display:swap;src:url('/assets/fonts/newsreader-400-italic.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/ibm-plex-mono-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/ibm-plex-mono-500-normal.woff2') format('woff2')}

:root{
  --ink:#0e182c; --ink-soft:#1c2a45; --ground:#f4f2ec; --sand:#e6e1d6; --card:#fbfaf7; --graphite:#4a505a;
  --brass:#b08a52; --brass-deep:#8f6c3a; --ok:#2f6b4f; --bad:#9a4a1f;
  --display:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif; --serif:"Newsreader",Georgia,serif; --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --max:1240px; --gutter:clamp(20px,4vw,56px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ground);color:var(--ink);font-family:var(--display);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono);font-size:13px;letter-spacing:.02em}
.muted{color:var(--graphite)}
h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.08}
h1{font-size:clamp(34px,4.6vw,60px)}
h2{font-size:clamp(26px,3vw,38px)}
h3{font-size:20px;letter-spacing:-.01em}
p{max-width:62ch}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-deep)}
.eyebrow.brass{color:var(--brass)}
.lede{font-family:var(--serif);font-style:italic;font-size:clamp(19px,1.6vw,23px);color:var(--graphite);line-height:1.4}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--ink);color:#fff;font-weight:600;font-size:15px;padding:14px 22px;border-radius:6px;border:0;cursor:pointer;transition:background .18s;white-space:nowrap}
.btn:hover{background:var(--ink-soft)}
.btn.brass{background:var(--brass);color:var(--ink)}
.btn.brass:hover{background:#c39a5f}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.ghost:hover{background:rgba(14,24,44,.06)}
.ok{color:var(--ok)}

/* header */
.top{position:sticky;top:0;z-index:30;background:rgba(244,242,236,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--sand)}
.top .wrap{display:flex;align-items:center;gap:36px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.brand i{width:26px;height:26px;border-radius:7px;background:var(--ink);position:relative;display:inline-block;flex:none}
.brand i:after{content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;border-radius:3px;background:var(--brass)}
.nav{display:flex;gap:26px;font-size:15px;color:var(--graphite)}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.top .right{margin-left:auto;display:flex;align-items:center;gap:18px;font-size:14px;color:var(--graphite)}
.top .right .tel{font-family:var(--mono);font-size:13px}
.cart{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--sand);border-radius:6px;background:var(--card);color:var(--ink)}
.menu-btn{display:none;font:inherit;font-weight:600;font-size:14px;background:transparent;border:1.5px solid var(--ink);border-radius:6px;padding:8px 12px;cursor:pointer;color:var(--ink)}
.mobile-nav{display:none;flex-direction:column;background:var(--card);border-bottom:1px solid var(--sand)}
.mobile-nav a{padding:14px var(--gutter);border-top:1px solid var(--sand);font-weight:500}
.mobile-nav:not([hidden]){display:flex}

/* hero */
.hero{padding:clamp(40px,7vw,96px) 0 clamp(32px,5vw,64px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{margin:14px 0 18px;max-width:14ch}
.hero .fact{font-size:17px;color:var(--graphite);max-width:44ch;margin-bottom:26px}
.hero .cta{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.hero .price{font-family:var(--mono);font-size:14px;color:var(--ink)}
.drawing{position:relative;background:var(--card);border:1px solid var(--sand);border-radius:12px;padding:8%;aspect-ratio:1/1}
.drawing img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.drawing svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.dim{stroke:var(--brass);stroke-width:.9;fill:none;stroke-dasharray:300;stroke-dashoffset:300;animation:draw 1.3s ease-out forwards}
.dim.d2{animation-delay:.35s}.dim.d3{animation-delay:.7s}
.dimlabel{font-family:var(--mono);font-size:3.1px;fill:var(--brass-deep);letter-spacing:.06em;opacity:0;animation:fade .6s ease-out 1.2s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}

/* facts rail */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--sand);border-bottom:1px solid var(--sand)}
.facts div{padding:22px 20px 22px 0;border-right:1px solid var(--sand)}
.facts div:last-child{border-right:0}
.facts div+div{padding-left:20px}
.facts b{display:block;font-family:var(--mono);font-size:22px;font-weight:500;letter-spacing:-.01em}
.facts span{font-size:14px;color:var(--graphite)}

/* sections */
section{padding:clamp(48px,7vw,96px) 0}
section.tight{padding:clamp(28px,4vw,56px) 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-head .lede{margin-top:10px}
.sec-head a.more{font-size:15px;font-weight:600;white-space:nowrap;border-bottom:1.5px solid var(--brass);padding-bottom:2px}

/* two lines */
.lines{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.line{position:relative;background:var(--card);border:1px solid var(--sand);border-radius:12px;padding:30px;min-height:360px;display:flex;flex-direction:column;overflow:hidden}
.line.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.line h3{font-size:26px;margin:10px 0 8px;padding-right:34%}
.line p{color:var(--graphite);font-size:16px;max-width:34ch;padding-right:38%}
.line.dark p{color:#c7cdd8}
.line .pic{position:absolute;right:-4%;bottom:-6%;width:40%;mix-blend-mode:multiply;opacity:.95}
.line.dark .pic{mix-blend-mode:normal;border-radius:10px}
.line .go{margin-top:auto;font-weight:600;font-size:15px}
.line.dark .go{color:var(--brass)}

/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--sand);border-radius:12px;padding:18px 18px 20px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,24,44,.08)}
.card .ph{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:6%;margin-bottom:14px}
.card .ph img{max-height:100%;width:auto;mix-blend-mode:multiply}
.card h3{font-size:19px}
.card .what{font-size:14px;color:var(--graphite);margin:4px 0 12px}
.card .measure{font-family:var(--mono);font-size:12px;color:var(--brass-deep);display:flex;align-items:center;gap:8px;margin-bottom:14px;min-height:1.4em}
.card .measure:before{content:"";width:22px;height:1px;background:var(--brass);flex:none}
.card .buy{margin-top:auto;display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-top:1px solid var(--sand);padding-top:12px}
.card .p{font-family:var(--mono);font-size:17px}
.fin{font-size:12.5px;color:var(--graphite)}

/* kit */
.kit{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.schem{background:var(--ink);border-radius:12px;padding:26px;color:#fff}
.schem svg{width:100%;height:auto;display:block}
.schem .lab{font-family:var(--mono);font-size:11px;fill:#c7cdd8;letter-spacing:.06em}
.schem .lab.b{fill:var(--brass)}
.schem .wire{stroke:var(--brass);stroke-width:1.2;fill:none}
.schem .box{fill:none;stroke:#8e97a8;stroke-width:1}
.schem .box.main{stroke:var(--brass);stroke-width:1.5}
.kitlist{display:flex;flex-direction:column;gap:14px}
.kitlist a{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;padding:12px 14px;background:var(--card);border:1px solid var(--sand);border-radius:10px}
.kitlist a:hover{border-color:var(--brass)}
.kitlist img{width:64px;height:64px;object-fit:contain;mix-blend-mode:multiply}
.kitlist b{display:block;font-size:16px}
.kitlist span{font-size:13.5px;color:var(--graphite)}
.kitlist .p{font-family:var(--mono);font-size:15px;color:var(--ink)}

/* reviews / info cards */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.reviews.guides{grid-template-columns:repeat(2,1fr)}
.rev{background:var(--card);border:1px solid var(--sand);border-radius:12px;padding:26px;display:block}
.rev q{font-family:var(--serif);font-style:italic;font-size:20px;line-height:1.35;quotes:"“" "”";display:block;margin-bottom:18px}
.rev h3{margin-bottom:10px}
.rev p{font-size:15.5px;color:var(--graphite)}
.rev p a,.rev h3 a{border-bottom:1px solid var(--brass)}
.rev .who{font-size:14px;color:var(--graphite)}
.rev .who b{color:var(--ink);font-weight:600}
.rev .bought{font-family:var(--mono);font-size:12px;color:var(--brass-deep);margin-top:6px;display:flex;gap:10px;align-items:center}
.stars{color:var(--brass);letter-spacing:.1em;font-size:13px}
a.rev:hover{border-color:var(--brass)}

/* support band */
.support{background:var(--ink);color:#fff}
.support .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:32px;align-items:start}
.support h2{margin-bottom:8px}
.support p{color:#c7cdd8;font-size:15.5px}
.support .k{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);margin-bottom:10px}
.support .v{font-size:20px;font-weight:600;word-break:break-word}
.support .v small{display:block;font-weight:400;font-size:14px;color:#c7cdd8;margin-top:4px}
.support a.link{color:var(--brass);border-bottom:1px solid rgba(176,138,82,.5)}

/* footer */
footer{padding:40px 0 48px;border-top:1px solid var(--sand);font-size:14px;color:var(--graphite);margin-top:40px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:12px}
footer a{display:block;padding:3px 0}
footer a:hover{color:var(--ink)}
footer .addr{margin-top:12px;max-width:34ch}
footer .addr a{display:inline}
footer .legal{grid-column:1/-1;border-top:1px solid var(--sand);padding-top:18px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer .legal a{display:inline}

/* category pages */
.crumbs{font-family:var(--mono);font-size:12px;color:var(--graphite);padding:16px 0}
.cat-head{padding:20px 0 34px}
.cat-head h1{margin-bottom:10px}
.tablewrap{overflow-x:auto;border-radius:12px;margin-bottom:34px}
.compare{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--sand);font-size:14.5px;min-width:760px}
.compare th,.compare td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--sand);vertical-align:top}
.compare th{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite);font-weight:500;background:#f0ede5}
.compare td.n{font-weight:600}
.compare td.p{font-family:var(--mono)}
.compare .yes{color:var(--ok)}
.compare .no{color:#9aa0aa}

/* product page */
.pdp{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);padding:12px 0 60px}
.gallery .main{background:var(--card);border:1px solid var(--sand);border-radius:12px;padding:7%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery .main img{max-height:100%;width:auto;mix-blend-mode:multiply}
.gallery .thumbs{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.gallery .thumbs button{width:76px;height:76px;border:1px solid var(--sand);border-radius:8px;background:var(--card);padding:8px;cursor:pointer}
.gallery .thumbs button[aria-pressed=true]{border-color:var(--ink)}
.gallery .thumbs img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.buybox h1{font-size:clamp(30px,3.2vw,42px);margin:6px 0 8px}
.buybox .what{font-size:18px;color:var(--graphite);margin-bottom:22px}
.pricebox .p{font-family:var(--mono);font-size:30px}
.finrow{margin:12px 0 14px}
.finrow .fin{font-size:13.5px}
.finrow b{font-family:var(--mono);font-weight:500;color:var(--ink)}
.finrow a{border-bottom:1px solid var(--sand)}
.keyfacts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}
.keyfacts div{border:1px solid var(--sand);border-radius:10px;padding:12px 14px;background:var(--card)}
.keyfacts b{display:block;font-family:var(--mono);font-size:18px;font-weight:500}
.keyfacts span{font-size:13px;color:var(--graphite)}
.opts{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0 20px}
.opt{display:flex;flex-direction:column;gap:6px;min-width:160px}
.opt .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite)}
select{font:inherit;font-size:14.5px;padding:10px 12px;border:1px solid var(--sand);border-radius:6px;background:#fff;color:var(--ink)}
.fit{border:1px solid var(--sand);border-radius:10px;padding:16px;background:var(--card);margin-bottom:22px}
.fit label{display:block;font-weight:600;font-size:15px;margin-bottom:8px}
.fit .row{display:flex;gap:10px;align-items:center}
.fit input{font:inherit;font-family:var(--mono);width:110px;padding:10px 12px;border:1px solid var(--sand);border-radius:6px;background:#fff}
.fit .out{font-size:14.5px;color:var(--graphite);min-height:1.4em;margin-top:10px}
.fit .out.ok{color:var(--ok)}
.fit .out.warn{color:var(--bad)}
.addrow{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.addrow .btn{flex:1}
.qty{display:inline-flex;border:1px solid var(--sand);border-radius:6px;overflow:hidden;background:var(--card)}
.qty button{width:40px;height:48px;border:0;background:transparent;font-size:18px;cursor:pointer;color:var(--ink)}
.qty span{width:44px;display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono)}
.shipnote{font-size:13.5px;color:var(--graphite)}
.shipnote a{border-bottom:1px solid var(--sand)}
.pdp-body{display:grid;grid-template-columns:1fr 340px;gap:56px;padding-bottom:40px}
.pdp-body h2{font-size:24px;margin:34px 0 14px}
.pdp-body h2:first-child{margin-top:0}
.desc p,.prose p{margin-bottom:14px;color:#2a3140;max-width:70ch}
.desc h3,.prose h2{font-size:18px;margin:22px 0 8px}
.desc ul,.prose ul{margin:0 0 14px 20px;color:#2a3140}
.desc li{margin-bottom:6px}
.desc table{width:100%;border-collapse:collapse;font-size:14.5px;margin:12px 0 20px}
.desc td,.desc th{padding:8px 0;border-bottom:1px solid var(--sand);text-align:left;vertical-align:top}
.desc img{border-radius:8px;margin:10px 0}
.prose{max-width:70ch}
.side .panel{background:var(--card);border:1px solid var(--sand);border-radius:12px;padding:20px;margin-bottom:16px}
.side .panel h3{font-size:15px;margin-bottom:8px}
.side .panel p{font-size:14px;margin-bottom:8px;color:var(--graphite)}
.side .panel a.dl,.rev a.dl{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:8px 0;border-bottom:1px solid var(--sand)}
.side .panel a.dl:last-child,.rev a.dl:last-child{border-bottom:0}
.side .panel a.dl span,.rev a.dl span{font-family:var(--mono);font-size:12px;color:var(--graphite);white-space:nowrap}
.side .panel a.dl:hover,.rev a.dl:hover{color:var(--brass-deep)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .dim{animation:none;stroke-dashoffset:0}
  .dimlabel{animation:none;opacity:1}
  .card,.card:hover{transition:none;transform:none}
}

@media (max-width:980px){
  .hero .wrap,.lines,.kit,.pdp,.pdp-body{grid-template-columns:1fr}
  .grid,.reviews,.reviews.guides{grid-template-columns:1fr 1fr}
  .support .wrap{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
  .facts{grid-template-columns:1fr 1fr}
  .facts div:nth-child(2){border-right:0}
  .facts div:nth-child(3){padding-left:0;border-top:1px solid var(--sand)}
  .facts div:nth-child(4){border-top:1px solid var(--sand)}
  .side .panel{margin-bottom:12px}
}
@media (max-width:640px){
  body{font-size:16px}
  .nav,.top .right .tel{display:none}
  .menu-btn{display:inline-flex}
  .grid,.reviews,.reviews.guides,.support .wrap,footer .wrap{grid-template-columns:1fr}
  .line{min-height:0}
  .line h3,.line p{padding-right:0}
  .line .pic{position:static;width:64%;margin:18px 0 0;align-self:flex-end}
  .line .go{margin-top:16px}
  .keyfacts{grid-template-columns:1fr 1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .hero h1{max-width:100%}
}