:root{--ink:#1B1F23;--ink2:#2B3138;--yellow:#FFC20E;--yellow-d:#B98700;--bg:#F6F4EE;--card:#fff;--line:#DAD6CB;--muted:#5B6168;--red:#B3261E;--green:#1F7A3D;--amber:#8A5A00;--radius:12px;--max:1040px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%}
a{color:#0B57B7;text-underline-offset:2px}
a:hover{color:#06397A}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}
/* header */
.site-header{background:var(--ink);color:#fff;border-bottom:4px solid var(--yellow)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding-top:10px;padding-bottom:10px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:900;letter-spacing:.08em;font-size:1.25rem}
.logo svg{width:34px;height:34px;flex:none}
.logo .au{background:var(--yellow);color:var(--ink);font-size:.7rem;padding:2px 6px;border-radius:4px;letter-spacing:.05em}
.nav{display:flex;flex-wrap:wrap;gap:2px 4px}
.nav a{color:#fff;text-decoration:none;padding:10px 12px;border-radius:8px;font-weight:600;font-size:.95rem}
.nav a:hover,.nav a[aria-current=page]{background:var(--ink2);color:var(--yellow)}
/* hero */
.hero{background:var(--ink);color:#fff;padding:28px 0 36px}
.hero h1{font-size:clamp(1.7rem,5vw,2.6rem);line-height:1.15;margin:0 0 10px}
.hero p{max-width:60ch;color:#D7DADD;margin:0 0 18px}
.search{background:#fff;color:var(--ink);border-radius:var(--radius);padding:16px;display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:720px){.search{grid-template-columns:1.2fr 1.4fr .8fr auto;align-items:end}}
label{display:block;font-weight:700;font-size:.9rem;margin-bottom:4px}
input,select,textarea{width:100%;font:inherit;padding:12px;border:2px solid #B9B4A6;border-radius:10px;background:#fff;color:var(--ink);min-height:48px}
textarea{min-height:110px}
input[type=checkbox],input[type=radio]{width:auto;min-height:0;margin-right:8px;transform:scale(1.3)}
.btn{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:800;border:2px solid var(--ink);border-radius:10px;padding:12px 18px;min-height:48px;cursor:pointer;text-decoration:none;font-size:1rem;text-align:center}
.btn:hover{background:#FFD24D;color:var(--ink)}
.btn.sec{background:#fff}.btn.sec:hover{background:#F0EDE3}
.btn[disabled],.btn.off{opacity:.65;cursor:not-allowed}
.results{margin-top:14px}
.results a.res{display:block;background:#fff;color:var(--ink);padding:12px 14px;border-radius:10px;margin-bottom:8px;text-decoration:none;font-weight:700}
.results a.res small{display:block;font-weight:400;color:var(--muted)}
.results a.res:hover{outline:3px solid var(--yellow)}
.results .none{background:#fff;color:var(--ink);padding:14px;border-radius:10px}
/* sections */
main{padding:24px 0 40px}
h1{font-size:clamp(1.6rem,4.5vw,2.2rem);line-height:1.2;margin:.2em 0 .4em}
h2{font-size:1.4rem;margin:1.6em 0 .5em;line-height:1.25}
h3{font-size:1.1rem;margin:1.2em 0 .3em}
.lead{font-size:1.1rem;color:#33383E;max-width:65ch}
.grid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){.grid.c2{grid-template-columns:1fr 1fr}.grid.c3{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid.c3{grid-template-columns:1fr 1fr 1fr}.grid.c4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card h3{margin-top:0}
a.card{display:block;text-decoration:none;color:var(--ink)}a.card:hover{border-color:var(--ink);box-shadow:0 2px 0 var(--yellow)}
.card.qa{border-left:6px solid var(--yellow)}
.qa .q{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:800}
.qa .a{font-weight:700}
.muted{color:var(--muted)}.small{font-size:.9rem}
.unknown{color:var(--amber);font-weight:700}
/* badges */
.badges{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 12px}
.badge{display:inline-block;font-size:.8rem;font-weight:800;padding:3px 9px;border-radius:99px;border:1px solid var(--ink);background:#fff;white-space:nowrap}
.badge.status{background:#FFF3C4}
.badge.t-Low{background:#FDE0DD;border-color:var(--red);color:#7A1812}
.badge.t-Low-Medium{background:#FFEBB8;border-color:var(--amber);color:#5E3C00}
.badge.t-Medium{background:#DDF1E3;border-color:var(--green);color:#115127}
.ev-manufacturer{background:#DDF1E3;border-color:var(--green)}
.ev-owner{background:#E1ECFB;border-color:#2F5FA8}
.ev-reference{background:#EFEAFB;border-color:#6B4FA8}
.ev-label{background:#F1EFEA;border-color:#8B867A;color:#444}
.warnbox{background:#FFF3C4;border:2px solid var(--ink);border-radius:var(--radius);padding:12px 14px;margin:14px 0}
.warnbox strong{display:block}
.placeholder-note{background:#E9F1FF;border:2px dashed #2F5FA8;border-radius:10px;padding:10px 12px;font-size:.92rem;margin:12px 0}
.crumbs{font-size:.9rem;color:var(--muted)}.crumbs a{color:var(--muted)}
/* tables */
.tw{overflow-x:auto}
table.slots{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:.95rem}
table.slots th{background:var(--ink);color:#fff;text-align:left;padding:8px 10px;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
table.slots td{padding:10px;border-top:1px solid var(--line);vertical-align:top}
@media(max-width:700px){
 table.slots thead{display:none}
 table.slots tr{display:block;border-top:3px solid var(--line);padding:6px 0}
 table.slots td{display:block;border:0;padding:3px 10px}
 table.slots td::before{content:attr(data-l) ": ";font-weight:800;color:var(--muted);font-size:.8rem;text-transform:uppercase}
}
.meter{height:10px;background:#E5E1D6;border-radius:99px;overflow:hidden;min-width:90px}
.meter i{display:block;height:100%;background:var(--yellow);border-right:2px solid var(--ink)}
ul.clean{padding-left:1.2em;margin:.4em 0}
ul.clean li{margin:.35em 0}
.g-warn{border-left:5px solid var(--red)}.g-info{border-left:5px solid #2F5FA8}
.gotcha{background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:8px;margin:8px 0}
sup.ref a{font-weight:800;text-decoration:none;padding:0 1px}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:10px 0}
summary{cursor:pointer;font-weight:700}
/* affiliate */
.aff{background:#fff;border:2px dashed var(--ink);border-radius:var(--radius);padding:14px;margin:20px 0}
.aff h3{margin:0 0 4px}
.aff .items{display:grid;gap:10px;grid-template-columns:1fr;margin-top:10px}
@media(min-width:640px){.aff .items{grid-template-columns:1fr 1fr}}
.aff .it{border:1px solid var(--line);border-radius:10px;padding:10px;background:#FBFAF6}
.aff .it b{display:block}
.aff code,.tag{font-size:.78rem;background:#EEE;border-radius:4px;padding:1px 5px}
/* forms */
form.f{display:grid;gap:14px;max-width:680px}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
fieldset{border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff}
legend{font-weight:800;padding:0 6px}
.row2{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:560px){.row2{grid-template-columns:1fr 1fr}}
.news{background:var(--ink);color:#fff;border-radius:var(--radius);padding:18px;margin:28px 0}
.news h2{margin-top:0}.news p{color:#D7DADD}
.news form{display:grid;gap:10px;grid-template-columns:1fr}
@media(min-width:560px){.news form{grid-template-columns:1fr auto}}
.news .msg{grid-column:1/-1}
.formmsg{display:none;background:#FFF3C4;border:2px solid var(--ink);padding:10px 12px;border-radius:10px;font-weight:600;color:var(--ink)}
.formmsg.show{display:block}
/* tools */
.out{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);padding:16px;margin-top:14px}
.big{font-size:2rem;font-weight:900}
.kit-opt{display:block;background:#fff;border:2px solid var(--ink);border-radius:10px;padding:12px;margin:8px 0;cursor:pointer;font-weight:700}
.kit-opt:hover{background:#FFF3C4}
.steps{font-size:.9rem;color:var(--muted)}
/* installers */
.inst{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin:10px 0}
.inst.featured{border:2px solid var(--yellow);box-shadow:0 0 0 2px var(--ink) inset}
.sample{background:#FDE0DD;border:1px solid var(--red);color:#7A1812;font-weight:800;font-size:.8rem;padding:2px 8px;border-radius:99px}
/* footer */
.site-footer{background:var(--ink);color:#C7CBD0;padding:24px 0;font-size:.9rem;border-top:4px solid var(--yellow)}
.site-footer a{color:#fff}
.site-footer .cols{display:grid;gap:14px}
@media(min-width:720px){.site-footer .cols{grid-template-columns:2fr 1fr 1fr}}
/* long URLs in source lists must wrap on phones */
ol.clean li,.small{overflow-wrap:anywhere}