/* WhatBattery "workbench" theme: bright handy-home/garage retail look. System fonts only. */
:root{--ink:#1d2a24;--ink2:#46564e;--green:#16834f;--green-d:#0f6a3e;--lime:#c8ec5a;--lime-l:#eef9cf;--copper:#d9822b;--copper-d:#a85d14;--paper:#fffef9;--bg:#f6f8f2;--line:#dde4d6;--warn:#b3261e;--r:16px;--sh:0 1px 2px rgba(29,42,36,.06),0 8px 24px rgba(29,42,36,.08)}
[hidden]{display:none!important}
*{box-sizing:border-box}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-d)}a:hover{color:var(--copper-d)}
h1,h2,h3{line-height:1.15;letter-spacing:-.015em;margin:1.3em 0 .45em}
h1{font-size:clamp(2rem,5vw,3.1rem);font-weight:800;margin-top:.3em}
h2{font-size:clamp(1.35rem,3vw,1.8rem);font-weight:800}
h3{font-size:1.15rem}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:9}.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--copper);outline-offset:2px}
/* top */
.promo{background:var(--ink);color:#e9f5d8;font-size:.82rem}
.promo .in{max-width:1180px;margin:0 auto;padding:6px 18px;display:flex;gap:22px;justify-content:center;flex-wrap:wrap}
.promo span:before{content:"⚡";margin-right:6px;color:var(--lime)}
.top{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;box-shadow:0 2px 10px rgba(29,42,36,.05)}
.top .in{max-width:1180px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.3rem;letter-spacing:-.02em}
.brand b{color:var(--green)}
.top-cta{margin-left:auto;background:var(--copper);color:#fff;text-decoration:none;font-weight:700;padding:8px 16px;border-radius:999px;font-size:.92rem}
.top-cta:hover{background:var(--copper-d);color:#fff}
.top nav{flex-basis:100%;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;margin:0 -6px}
.top nav::-webkit-scrollbar{display:none}
.top nav a{white-space:nowrap;text-decoration:none;color:var(--ink2);font-weight:600;font-size:.92rem;padding:6px 10px;border-radius:8px}
.top nav a:hover{background:var(--lime-l);color:var(--ink)}
@media(min-width:1100px){.top .in{flex-wrap:nowrap}.top nav{flex-basis:auto;margin:0 0 0 auto;overflow:visible}.top-cta{display:none}.top nav a:first-child{background:var(--copper);color:#fff;border-radius:999px;padding:6px 14px;margin-right:4px}.top nav a:first-child:hover{background:var(--copper-d)}}
main{max-width:1180px;margin:0 auto;padding:12px 18px 40px}
body.page main{max-width:860px}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:800;color:var(--green-d);background:var(--lime-l);padding:3px 10px;border-radius:999px;margin:0}
.btn{display:inline-block;background:var(--green);color:#fff;font-weight:700;text-decoration:none;border:0;border-radius:12px;padding:12px 20px;font-size:1rem;cursor:pointer;box-shadow:0 2px 0 var(--green-d)}
.btn:hover{background:var(--green-d);color:#fff}
.btn.ghost{background:var(--paper);color:var(--green-d);border:2px solid var(--green);box-shadow:none;padding:10px 18px}
.btn.ghost:hover{background:var(--lime-l)}
sup.cite{font-size:.66rem;line-height:0;white-space:nowrap}sup.cite a{color:var(--ink2)}
.sh{font-size:.6rem;background:#f3e6d6;border-radius:4px;padding:0 4px}
.src{font-size:.8rem;color:var(--ink2);border-top:1px dashed var(--line);margin-top:28px;padding-top:14px;word-break:break-word}
.fine{font-size:.85rem;color:var(--ink2)}
.unverified{background:#fff3d6;border:1px solid #f0cf86;border-radius:6px;padding:1px 6px;font-size:.88rem}
.wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin:12px 0}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--ink);color:#fff;font-size:.85rem;white-space:nowrap}
tbody tr:nth-child(even){background:#f8faf3}
tbody th{font-weight:700}
/* hero */
.hero{display:grid;gap:22px;align-items:center;padding:18px 0 8px}
.hero h1 em{font-style:normal;color:var(--green);background:linear-gradient(transparent 62%,var(--lime) 62%)}
.lede{font-size:1.12rem;color:var(--ink2);max-width:36em}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.trust{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.92rem;font-weight:600}
.trust li:before{content:"✓";color:var(--green);font-weight:900;margin-right:6px}
.hero-photo{margin:0;position:relative}
.hero-photo img{border-radius:22px;box-shadow:var(--sh);aspect-ratio:16/9;object-fit:cover;width:100%}
.hero-photo:before{content:"";position:absolute;inset:-12px 12px 12px -12px;border-radius:24px;background:radial-gradient(var(--line) 1.6px,transparent 1.8px) 0 0/16px 16px;z-index:-1}
@media(min-width:900px){.hero{grid-template-columns:1.05fr 1fr;gap:40px;padding:30px 0 10px}}
/* finder */
.finder{background:var(--paper);border:2px solid var(--green);border-radius:22px;padding:18px;margin:26px 0;box-shadow:var(--sh)}
.finder>h2{margin-top:0;display:flex;align-items:center;gap:10px}
.finder>h2:before{content:"";width:28px;height:28px;border-radius:8px;background:var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M13 3 6 14h5l-1 7 7-11h-5z' fill='%231d2a24'/%3E%3C/svg%3E") center/18px no-repeat}
.tabs{display:flex;gap:6px;border-bottom:2px solid var(--line);margin-bottom:14px;overflow-x:auto}
.tabs button{font:inherit;font-weight:700;background:none;border:0;padding:10px 14px;color:var(--ink2);border-bottom:3px solid transparent;margin-bottom:-2px;cursor:pointer;white-space:nowrap}
.tabs button[aria-selected=true]{color:var(--green-d);border-color:var(--copper)}
fieldset{border:0;padding:0;margin:0}legend{font-weight:700;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip input,.seg input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;border:2px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font-weight:600;font-size:.95rem;cursor:pointer}
.chip input:checked+span{background:var(--green);border-color:var(--green);color:#fff}
.chip input:focus-visible+span,.seg input:focus-visible+span{outline:3px solid var(--copper);outline-offset:2px}
.panel label{font-weight:700}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-top:6px}
.row input{flex:1 1 220px;font:inherit;padding:11px 12px;border:2px solid var(--line);border-radius:12px;background:#fff;min-width:0}
.row input:focus{border-color:var(--green);outline:0}
.row.two label{display:flex;flex-direction:column;gap:4px;flex:1 1 140px;font-size:.92rem}
.row.two input{flex:none;width:100%}
.try{font-size:.9rem;color:var(--ink2);margin:10px 0 0}
.try button{font:inherit;font-size:.85rem;font-weight:700;border:1px solid var(--line);background:var(--lime-l);border-radius:8px;padding:3px 9px;margin:2px;cursor:pointer;color:var(--ink)}
.seg{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.seg legend{flex-basis:100%}
.seg span{display:inline-block;padding:7px 12px;border:2px solid var(--line);border-radius:10px;background:#fff;font-weight:600;font-size:.92rem;cursor:pointer}
.seg input:checked+span{border-color:var(--copper);background:#fff4e8}
.fit-out{margin-top:16px;border-top:2px dashed var(--line);padding-top:12px}
.placeholder{color:var(--ink2)}
.res-head h3{margin:.2em 0}.res-head p{margin:.3em 0;color:var(--ink2)}
.res-warn{background:#fff1ef;border-left:4px solid var(--warn);padding:10px 12px;border-radius:8px}
.sizes-for{font-weight:700;margin:12px 0 4px}
.cards{display:grid;gap:14px;margin:8px 0}
@media(min-width:760px){.cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}
.bat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 2px 0 var(--line)}
.bat-top{display:flex;align-items:center;gap:14px}
.bat-top h3{margin:0;font-size:1.3rem}.volt{margin:0;font-weight:800;color:var(--copper-d)}
.specs{margin:12px 0 0;display:grid;gap:6px;font-size:.92rem}
.specs div{display:grid;grid-template-columns:8.5em 1fr;gap:8px;border-top:1px solid #eef1ea;padding-top:6px}
.specs dt{color:var(--ink2);font-weight:600}.specs dd{margin:0}
.note{background:var(--lime-l);border-radius:10px;padding:8px 10px;font-size:.92rem}
.src-line{font-size:.8rem;color:var(--ink2);margin:8px 0 4px}
.more{font-weight:700;text-decoration:none}
.car-mini ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}
.car-mini li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:.88rem;display:flex;flex-direction:column}
.aff{margin-top:12px;background:#fff8ef;border:1px solid #f1d6b5;border-radius:12px;padding:12px}
.aff-label{margin:0 0 6px;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--copper-d);font-weight:800}
.aff-btn{background:var(--copper);box-shadow:0 2px 0 var(--copper-d)}.aff-btn:hover{background:var(--copper-d)}
.aff-note{font-size:.8rem;color:var(--ink2);margin:8px 0 0}
/* battery illustrations (pure CSS) */
.cell{display:inline-block;position:relative;flex:none;width:26px;height:58px;border-radius:5px;background:linear-gradient(90deg,#0f6a3e,#1fa463 45%,#0f6a3e);box-shadow:inset 0 -14px 0 #1d2a24}
.cell i{position:absolute;left:50%;top:-6px;width:10px;height:7px;margin-left:-5px;border-radius:2px 2px 0 0;background:#b9c2bb}
.cell.slim{width:19px;height:52px}.cell.fat{width:36px;height:58px}.cell.fatter{width:44px;height:66px}
.cell.box{width:40px;height:58px;border-radius:6px;background:linear-gradient(90deg,#c76f1c,#e89a4a 45%,#c76f1c);box-shadow:inset 0 -14px 0 #1d2a24}
.cell.box i{width:24px;margin-left:-12px;background:repeating-linear-gradient(90deg,#b9c2bb 0 9px,transparent 9px 15px)}
.cell.coin{width:52px;height:52px;border-radius:50%;background:radial-gradient(circle at 38% 34%,#f4f6f3,#aab3ad 60%,#7c8780);box-shadow:inset 0 0 0 4px #8d9891}
.cell.coin i{display:none}
/* sections */
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.sec-head a{font-weight:700}
.cells{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:10px 0}
@media(min-width:760px){.cells{grid-template-columns:repeat(6,1fr)}}
.cell-card{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px 8px 14px;text-decoration:none;color:var(--ink);height:100%;transition:transform .15s,box-shadow .15s}
.cell-card:hover{transform:translateY(-2px);box-shadow:var(--sh);color:var(--ink)}
.cell-card .cell{margin:8px 0 6px;height:64px}.cell-card .cell.slim{height:56px}.cell-card .cell.fatter{height:72px}
.cell-card b{font-size:1.2rem}.cell-card span:last-child{font-size:.8rem;color:var(--ink2)}
.split{display:grid;gap:18px;align-items:center;margin:34px 0;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:16px}
.split figure,.car figure{margin:0}.split img,.car img{border-radius:16px;aspect-ratio:4/3;object-fit:cover;width:100%}
.split h2{margin-top:.4em}
@media(min-width:800px){.split{grid-template-columns:1fr 1.1fr;gap:34px;padding:22px}.split.rev figure{order:2}}
.car{display:grid;gap:18px;align-items:center;margin:34px 0;background:var(--ink);color:#eef4ea;border-radius:22px;padding:20px;background-image:radial-gradient(rgba(255,255,255,.07) 1.5px,transparent 1.7px);background-size:18px 18px}
.car h2{color:#fff;margin-top:.4em}.car .eyebrow{background:var(--lime);color:var(--ink)}.car a:not(.btn){color:var(--lime)}.car sup.cite a{color:#cfe0c8}
.clr-grid{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}
.clr-grid li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:10px}
.clr-grid b{display:block;color:var(--lime)}.clr-grid span{font-size:.88rem}
@media(min-width:800px){.car{grid-template-columns:1.1fr 1fr;gap:34px;padding:28px}}
.guides h2{margin-top:1em}
.guide-list{list-style:none;padding:0;display:grid;gap:10px;margin:14px 0}
@media(min-width:760px){.guide-list{grid-template-columns:1fr 1fr 1fr}}
.guide{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--lime);border-radius:12px;padding:13px 16px;text-decoration:none;color:var(--ink);font-weight:700;min-height:56px}
.guide:after{content:"→";color:var(--copper);font-size:1.25rem}.guide:hover{border-left-color:var(--green);color:var(--green-d)}
/* guide pages */
.kicker{font-size:1.1rem;background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--green);border-radius:12px;padding:14px 16px}
.page-photo{margin:18px 0}.page-photo img{border-radius:18px;box-shadow:var(--sh);width:100%;aspect-ratio:4/3;object-fit:cover;max-height:440px}
.cta-box{background:var(--lime-l);border:1px solid #d6ec9c;border-radius:14px;padding:4px 16px;margin:18px 0}
.alert{background:#fff1ef;border:2px solid #f2b8b2;border-radius:14px;padding:14px 16px}
main ul li,main ol li{margin:.35em 0}
.related{margin:30px 0 10px;display:flex;flex-wrap:wrap;gap:8px}
.related p{flex-basis:100%;font-weight:800;margin:0 0 4px}
.related a{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 12px;text-decoration:none;font-weight:600;font-size:.9rem}
.related a:hover{border-color:var(--green)}
/* footer */
.foot{background:var(--ink);color:#d7e2d2;margin-top:30px;font-size:.92rem}
.foot .in{max-width:1180px;margin:0 auto;padding:26px 18px}
.foot a{color:var(--lime)}
.brand-f{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.2rem;color:#fff}.brand-f b{color:var(--lime)}
.photo-note{font-size:.82rem;opacity:.85}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:600px){.promo span+span{display:none}.top .in{padding:8px 14px}.brand{font-size:1.15rem}.top-cta{padding:7px 12px;font-size:.85rem}.hero-btns .btn{flex:1 1 auto;text-align:center}.specs div{grid-template-columns:7.2em 1fr}}