/* Best Local AI Rig: light, product-first design system */
[hidden]{display:none!important}
:root{
  --bg:#ffffff; --surface:#f5f5f7; --surface-2:#fafafa; --line:#e3e3e8; --line-strong:#d2d2d7;
  --text:#1d1d1f; --text-2:#515154; --text-3:#6e6e73;
  --accent:#0066cc; --accent-hover:#0058b0; --accent-soft:#eaf3fd;
  --green:#1a7f37; --green-bg:#e9f6ec; --amber:#8a5300; --amber-bg:#fdf2dc; --grey:#5f5f64; --grey-bg:#efeff2; --red:#b42318;
  --r-sm:8px; --r:14px; --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04),0 1px 1px rgba(0,0,0,.03);
  --shadow:0 2px 6px rgba(0,0,0,.04),0 10px 30px rgba(0,0,0,.06);
  --font:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.55 var(--font);-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01"}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
:focus-visible{outline:3px solid #0071e3;outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;letter-spacing:-.022em;color:var(--text)}
h1{font-size:clamp(34px,5vw,56px);line-height:1.06;font-weight:700}
h2{font-size:clamp(22px,2.6vw,28px);line-height:1.2;font-weight:650}
h3{font-size:17px;line-height:1.3;font-weight:600}
p{margin:0}
small{display:block;color:var(--text-3);font-size:13px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:#000;color:#fff;padding:8px 12px;border-radius:8px;z-index:50}.skip:focus{left:8px}
.muted{color:var(--text-3)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3)}
.lede{font-size:clamp(17px,1.8vw,21px);line-height:1.45;color:var(--text-2);max-width:720px}
.kicker{font-size:14px;font-weight:500;color:var(--text-3);margin-bottom:14px}

/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid rgba(0,0,0,.07)}
.bar{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:650;font-size:16px;letter-spacing:-.015em;color:var(--text);white-space:nowrap}
.logo:hover{text-decoration:none}
.logo-mark{width:22px;height:22px;border-radius:6px;background:var(--text);position:relative;flex:none}
.logo-mark:after{content:"";position:absolute;inset:5px;border:2px solid #fff;border-radius:3px}
header nav{display:flex;gap:4px}
header nav a{color:var(--text-2);font-size:14px;padding:6px 10px;border-radius:8px}
header nav a:hover{color:var(--text);background:var(--surface);text-decoration:none}
header nav a[aria-current]{color:var(--text);font-weight:600}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 18px;border-radius:980px;font:600 15px/1 var(--font);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{background:#fff;color:var(--accent);border-color:var(--line-strong)}.btn-secondary:hover{border-color:var(--accent);background:var(--accent-soft)}
.btn-dark{background:var(--text);color:#fff}.btn-dark:hover{background:#000}
.btn-block{width:100%;white-space:normal;text-align:center;line-height:1.2;padding:8px 14px}
.btn-lg{min-height:50px;font-size:16px;padding:0 26px}
.btn[disabled]{opacity:.6;cursor:default}

/* pills (stock) and fit badges: labels, never buttons */
.pill{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap;border:1px solid transparent;cursor:default}
.pill:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}
.pill-in{background:var(--green-bg);color:var(--green)}
.pill-pre{background:var(--amber-bg);color:var(--amber)}
.pill-out{background:var(--grey-bg);color:var(--grey)}
.pill-unk{background:transparent;color:var(--text-3);border-color:var(--line-strong)}
.pill-unk:before{background:transparent;border:1.5px solid currentColor;width:5px;height:5px}
.fit{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:6px;font-size:12px;font-weight:600;white-space:nowrap}
.fit-yes{background:var(--green-bg);color:var(--green)}
.fit-tight{background:var(--amber-bg);color:var(--amber)}
.fit-no{background:var(--grey-bg);color:var(--grey)}
.tps{font-size:13px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap}
.need{font-size:12px;color:var(--text-3);white-space:nowrap}
.qname{font-size:12px;color:var(--text-3);font-family:var(--mono)}

/* hero + picker */
.hero{background:linear-gradient(180deg,var(--surface) 0%,#fff 100%);padding:64px 0 40px;border-bottom:1px solid var(--line)}
.hero h1{max-width:820px}
.hero .lede{margin-top:16px}
.picker{margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:20px;max-width:760px}
.picker label{display:block;font-weight:600;font-size:15px;margin-bottom:10px}
.picker-row{display:flex;gap:10px;flex-wrap:wrap}
.picker select{flex:1 1 320px;min-width:0;max-width:100%;min-height:50px;font-size:17px}
select{appearance:none;-webkit-appearance:none;font:500 15px var(--font);color:var(--text);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%236e6e73' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center;border:1px solid var(--line-strong);border-radius:12px;min-height:40px;padding:0 38px 0 14px;cursor:pointer}
select:hover{border-color:#a1a1a6}
.seg{display:inline-flex;background:var(--surface);border-radius:12px;padding:3px;gap:2px}
.seg button{font:600 14px var(--font);color:var(--text-2);background:transparent;border:0;border-radius:9px;padding:0 14px;min-height:34px;cursor:pointer}
.picker .seg button{min-height:44px;padding:0 18px}
.seg button[aria-pressed=true]{background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:14px;font-size:13px;color:var(--text-3)}
.chip{font:500 13px var(--font);color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer}
.chip:hover,.chip[aria-pressed=true]{border-color:var(--text);color:var(--text)}

/* toolbar */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:28px 0 18px}
.count{font-size:15px;font-weight:600}
.count span{font-weight:400;color:var(--text-3)}
.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.check{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;border:1px solid var(--line-strong);border-radius:12px;padding:0 14px;min-height:40px;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--accent);margin:0}

/* product cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .2s,border-color .2s}
.card:hover{box-shadow:var(--shadow);border-color:#d8d8dd}
.card-media{display:block;background:#fff;aspect-ratio:4/3;border-bottom:1px solid var(--line)}
.card-media img{width:100%;height:100%;object-fit:contain}
.card-body{display:flex;flex-direction:column;gap:10px;padding:18px 18px 20px;flex:1}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card h3 a{color:var(--text)}
.variant{font-size:13px;color:var(--text-3);margin-top:-6px}
.price-row{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price{font-size:24px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price.xl{font-size:clamp(32px,4vw,40px)}
.at{font-size:13px;color:var(--text-3)}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:2px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.specs div{padding:10px 0}
.specs div+div{padding-left:12px;border-left:1px solid var(--line)}
.specs dt{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3)}
.specs dd{margin:2px 0 0;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.runs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;font-size:14px;min-height:42px;margin-bottom:auto}
.runs-label{width:100%;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3)}
.runs a{color:var(--text);font-weight:600}
.card .btn{margin-top:8px}
.noimg{display:grid;place-items:center;aspect-ratio:4/3;background:var(--surface);color:var(--text-3);font-weight:600}
.grid-sm{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card-sm .price{font-size:20px}

/* tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
thead th{font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--text-3);background:var(--surface-2);white-space:nowrap}
tbody tr:last-child>*{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td small{font-size:12px}
td a b{color:var(--text)}
.compact td{padding:10px 14px}
.trow{display:flex;align-items:center;gap:12px;color:var(--text)}
.trow:hover{text-decoration:none}.trow:hover b{text-decoration:underline}
.thumb{width:56px;height:42px;object-fit:contain;border-radius:6px;border:1px solid var(--line);background:#fff;flex:none}
.runs-cell{font-size:13px;min-width:200px}
.fitcell{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
table.cmp th[scope=row]{font-weight:500;color:var(--text-2);width:30%}
table.cmp td{width:35%}

/* sections */
.section{margin-top:56px}
.section>h2,.section-head{margin-bottom:18px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.section-head p{color:var(--text-3);font-size:14px}
.links{display:flex;flex-wrap:wrap;gap:10px}
.links a{color:var(--text);background:var(--surface);border-radius:999px;padding:9px 16px;font-size:14px;font-weight:500}
.links a:hover{background:#ebebef;text-decoration:none}
.links a span{color:var(--text-3);font-weight:400}
.footnote{font-size:13px;color:var(--text-3);margin-top:16px}
.empty{padding:40px;text-align:center;background:var(--surface);border-radius:var(--r-lg);color:var(--text-2)}
.page-head{padding:40px 0 8px}
.page-head .eyebrow{margin-bottom:10px;display:block}
.page-head h1{font-size:clamp(30px,4.2vw,46px)}
.page-head .lede{margin-top:14px}
.page-head.center{text-align:center;padding:96px 0}.page-head.center .lede{margin:24px auto 0}
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--text-3);padding-top:20px}

/* product detail page */
.pdp{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:start;padding-top:20px}
.pdp-media{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;position:sticky;top:76px}
.pdp-media img{width:100%;aspect-ratio:4/3;object-fit:contain}
.pdp-info h1{font-size:clamp(30px,4vw,44px);margin-top:6px}
.pdp-info .variant{font-size:15px;margin-top:6px}
.pdp-info .lede{font-size:17px;margin-top:16px}
.buybox{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface-2)}
.buybox .at{margin:6px 0 16px}
.keyspecs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0 0}
.keyspecs div{border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.keyspecs dt{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3)}
.keyspecs dd{margin:4px 0 2px;font-size:22px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.note{margin-top:16px;font-size:14px;color:var(--text-2);padding-left:14px;border-left:3px solid var(--line-strong)}
.offers{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.offer{display:grid;grid-template-columns:1fr auto;grid-template-areas:"main cta" "meta cta";gap:4px 20px;padding:18px 20px;align-items:center}
.offer+.offer{border-top:1px solid var(--line)}
.offer-best{background:var(--surface-2)}
.offer-main{grid-area:main;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.retailer{font-weight:600;min-width:150px}
.offer-price{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.offer-meta{grid-area:meta;display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13px;color:var(--text-3)}
.offer .btn{grid-area:cta}
.fitlist{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.fitrow{display:grid;grid-template-columns:minmax(0,1.3fr) 1fr 1fr;gap:16px;align-items:center;padding:14px 20px}
.fitrow+.fitrow{border-top:1px solid var(--line)}
.fitrow a{color:var(--text)}.fitrow a b{font-weight:600}
.fitrow .q{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fitrow .qname{width:56px}
.fitrow.fr-no a b{color:var(--text-3)}
.credit{margin-top:28px;font-size:12px;color:var(--text-3)}.credit a{color:var(--text-3);text-decoration:underline}

/* compare */
.vs{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;margin-top:28px}
.vs-item{border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;display:flex;flex-direction:column;gap:8px}
.vs-media{display:block;aspect-ratio:4/3}.vs-media img{width:100%;height:100%;object-fit:contain}
.vs-mid{font-weight:700;color:var(--text-3);font-size:18px}
.vs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-top:24px}
.vs-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;color:var(--text);display:flex;flex-direction:column;gap:12px}
.vs-card:hover{box-shadow:var(--shadow);text-decoration:none}
.vs-imgs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.vs-imgs img{aspect-ratio:4/3;object-fit:contain}
.vs-card span span,.vs-card b span{color:var(--text-3);font-weight:400}

/* prose */
.prose{max-width:760px;padding:40px 0 0}
.prose h1{font-size:clamp(30px,4.2vw,46px);margin-top:8px}
.prose .lede{margin-top:14px}
.prose h2{font-size:22px;margin:40px 0 12px}
.prose p,.prose li{color:var(--text-2);font-size:17px;line-height:1.65}
.prose p+p{margin-top:14px}
.prose ul{padding-left:20px}
.prose code{font-family:var(--mono);font-size:14px;background:var(--surface);padding:2px 6px;border-radius:6px;color:var(--text)}
.formula{background:var(--surface);border-radius:var(--r);padding:16px 18px;line-height:2}
.formula code{background:transparent;padding:0}

/* signup */
.signup{margin-top:80px;background:var(--surface);border-top:1px solid var(--line)}
.signup-in{display:grid;grid-template-columns:1fr minmax(0,460px);gap:32px;align-items:center;padding-top:48px;padding-bottom:48px}
.signup h2{font-size:26px}
.signup p{color:var(--text-2);margin-top:8px;max-width:520px}
.alerts{display:flex;flex-wrap:wrap;gap:10px}
.alerts input{flex:1 1 220px;min-height:48px;padding:0 16px;font:400 16px var(--font);border:1px solid var(--line-strong);border-radius:12px;background:#fff;color:var(--text)}
.alerts input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,102,204,.15)}
.alerts .btn{min-height:48px;border-radius:12px}
.alerts .msg{width:100%;font-size:14px;color:var(--text-2);min-height:20px;margin:0}

/* footer */
footer.site{border-top:1px solid var(--line);padding:40px 0 28px;font-size:14px;color:var(--text-3)}
.foot{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:32px}
.foot p{margin-top:12px;max-width:420px;line-height:1.55}
.foot h4{font-size:13px;font-weight:600;color:var(--text);margin-bottom:10px}
.foot div>a:not(.logo){display:block;color:var(--text-2);padding:3px 0}
.fine{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;line-height:1.6}
.fine a{color:var(--text-2);text-decoration:underline}

/* responsive */
@media (max-width:900px){
  .pdp{grid-template-columns:1fr;gap:24px}
  .pdp-media{position:static}
  .signup-in{grid-template-columns:1fr;gap:20px}
  .foot{grid-template-columns:1fr 1fr}.foot>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  body{font-size:15px}
  header nav a{padding:6px 7px;font-size:13px}
  header nav a:last-child{display:none}
  .hero{padding:36px 0 28px}
  .picker{padding:16px;margin-top:24px;border-radius:16px}
  .picker select{flex-basis:100%;width:100%}
  .picker-row{flex-direction:column}
  .picker .seg{width:100%}.picker .seg button{flex:1}
  .toolbar{padding:20px 0 14px}
  .tools{width:100%}
  .tools .sel{flex:1 1 45%}.tools select{width:100%}
  .tools .check{flex:1 1 45%}
  .tools .view{display:none}
  .grid{grid-template-columns:1fr;gap:16px}
  .card{display:grid;grid-template-columns:120px 1fr;border-radius:16px}
  .card-media{aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line);display:flex;align-items:center}
  .card-body{padding:14px;gap:8px}
  .card .specs,.card .runs-label{display:none}
  .card .runs{min-height:0;font-size:13px}
  .card .btn{grid-column:1/-1;min-height:42px;font-size:14px;margin-top:4px}
  .price{font-size:20px}
  .offer{grid-template-columns:1fr;grid-template-areas:"main" "meta" "cta"}
  .offer .btn{width:100%;margin-top:8px}
  .retailer{min-width:0;width:100%}
  .fitrow{grid-template-columns:1fr 1fr;gap:10px}
  .fitrow>a{grid-column:1/-1}
  .fitrow .q{display:grid;grid-template-columns:auto auto;justify-content:start;gap:4px 6px}
  .fitrow .qname{width:auto;grid-column:1/-1}
  .need{display:none}
  .keyspecs dd{font-size:19px}
  .vs{grid-template-columns:1fr 1fr;gap:12px}.vs-mid{display:none}
  .vs-item{padding:12px}
  th,td{padding:10px 12px}
  .foot{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}