/* Under Hood Specs: shop-manual / spec-sheet look. Mobile first. */
@font-face{font-family:"Plex Cond";src:url(/assets/fonts/ibm-plex-sans-condensed-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Cond";src:url(/assets/fonts/ibm-plex-sans-condensed-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/assets/fonts/ibm-plex-mono-600.woff2) format("woff2");font-weight:600;font-display:swap}

/* Palette: hi-vis (black + safety yellow) */
:root{
  --paper:#ffffff; --sheet:#ffffff; --ink:#111111; --ink2:#3a3a3a; --mute:#6e6e6e;
  --rule:#e6e6e6; --rule2:#cccccc; --hivis:#ffd400; --accent:#111111; --link:#d4a900;
  --hi:#fff4b8; --main-bg:#ffd400; --main-ink:#111111; --thead:#111111; --thead-ink:#ffffff;
  --warn:#8a5a00;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Plex Cond","Arial Narrow",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0e0e0e; --sheet:#161616; --ink:#f2f2f2; --ink2:#c8c8c8; --mute:#8c8c8c;
  --rule:#272727; --rule2:#3a3a3a; --accent:#ffd400; --link:#ffd400;
  --hi:#2a2500; --main-bg:#ffd400; --main-ink:#111111; --thead:#000000; --thead-ink:#ffd400;
  --warn:#ffd400;
}}
:root[data-theme="dark"]{
  --paper:#0e0e0e; --sheet:#161616; --ink:#f2f2f2; --ink2:#c8c8c8; --mute:#8c8c8c;
  --rule:#272727; --rule2:#3a3a3a; --accent:#ffd400; --link:#ffd400;
  --hi:#2a2500; --main-bg:#ffd400; --main-ink:#111111; --thead:#000000; --thead-ink:#ffd400;
  --warn:#ffd400;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.5 var(--sans)}
a{color:inherit;text-decoration-color:var(--link);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.num{font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* Header: plate + nav */
.top{border-bottom:4px solid var(--hivis);background:var(--sheet)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px}
.plate{display:inline-flex;align-items:stretch;border:2px solid var(--ink);text-decoration:none;font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:15px;line-height:1}
.plate span{padding:7px 8px}
.plate span:first-child{background:var(--ink);color:var(--sheet)}
.plate span:last-child{background:var(--hivis);color:#111}
.nav{display:flex;gap:16px;font-size:15px;text-transform:uppercase;letter-spacing:.05em}
.nav a{text-decoration:none;color:var(--ink2)}
.nav a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--hivis)}
@media (max-width:560px){.nav a.opt{display:none}}

/* Breadcrumb + title block */
.crumbs{font:600 12px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--mute);margin:18px 0 6px}
.crumbs a{text-decoration:none}
.crumbs span{margin:0 6px;color:var(--rule2)}
.titleblock{display:grid;gap:10px;border-bottom:1px solid var(--rule);padding-bottom:14px}
h1{font-size:32px;line-height:1.1;margin:0;letter-spacing:-.01em}
.sub{color:var(--ink2);margin:0;font-size:18px}
.meta{font:600 12px/1.6 var(--mono);color:var(--mute);text-transform:uppercase;letter-spacing:.03em}
.meta b{color:var(--ink2);font-weight:600}
@media (min-width:760px){
  h1{font-size:42px}
  .titleblock{grid-template-columns:1fr auto;align-items:end}
  .meta{text-align:right}
}

/* Readouts: the answer */
.readouts{display:grid;grid-template-columns:1fr;border:2px solid var(--ink);background:var(--sheet);margin:18px 0 8px}
.ro{padding:14px 16px;border-top:1px solid var(--rule)}
.ro:first-child{border-top:0}
.ro .k{font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--mute)}
.ro .v{font-family:var(--mono);font-weight:600;font-size:34px;line-height:1.1;margin:4px 0 2px;font-variant-numeric:tabular-nums}
.ro .v small{font-size:16px;color:var(--ink2);margin-left:4px}
.ro .d{font-size:15px;color:var(--ink2)}
.ro.main{background:var(--main-bg);color:var(--main-ink)}
.ro.main .k,.ro.main .d,.ro.main .v small{color:var(--main-ink)}
.ro.main .v{color:var(--main-ink);font-size:44px}
@media (min-width:760px){
  .readouts{grid-template-columns:1.3fr 1fr 1fr}
  .ro{border-top:0;border-left:1px solid var(--rule)}
  .ro:first-child{border-left:0}
}
.cite{font:400 14px/1.5 var(--sans);color:var(--mute);margin:6px 0 0}
.cite a{color:var(--ink2)}

/* Sticky section tabs */
.tabs{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--rule);margin:22px 0 0;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs ol{list-style:none;margin:0;padding:0;display:flex;gap:4px;white-space:nowrap}
.tabs a{display:block;padding:10px 12px;font-size:14px;text-transform:uppercase;letter-spacing:.06em;text-decoration:none;color:var(--ink2);border-bottom:3px solid transparent}
.tabs a.on,.tabs a:hover{color:var(--ink);border-bottom-color:var(--hivis)}

/* Sections */
section{padding:26px 0 6px;scroll-margin-top:48px}
h2{font-size:24px;line-height:1.2;margin:0 0 4px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
h2 .yr{font:600 14px var(--mono);color:var(--mute)}
h3{font-size:19px;margin:18px 0 6px}
p{margin:8px 0}
.lead{color:var(--ink2)}

/* Spec tables */
.tbl{width:100%;border-collapse:collapse;margin:10px 0 4px;background:var(--sheet);border:1px solid var(--rule2)}
.tbl caption{text-align:left;font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);padding:0 0 6px}
.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.tbl thead th{background:var(--thead);color:var(--thead-ink);font-size:13px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;border-bottom:0}
.tbl td.r,.tbl th.r{text-align:right}
.tbl tbody tr:nth-child(even) td{background:color-mix(in srgb,var(--sheet) 70%,var(--paper))}
.tbl .best td{background:var(--hi)!important}
.tbl .pending{color:var(--mute);font-style:italic}
.tbl .code{font:600 13px var(--mono);color:var(--ink2);vertical-align:middle}
@media (max-width:640px){
  .tbl.stack thead{position:absolute;left:-9999px}
  .tbl.stack,.tbl.stack tbody,.tbl.stack tr,.tbl.stack td{display:block;width:100%}
  .tbl.stack tr{border-bottom:2px solid var(--rule2);padding:6px 0}
  .tbl.stack td{border:0;padding:3px 12px;display:flex;justify-content:space-between;gap:12px;text-align:right}
  .tbl.stack td::before{content:attr(data-l);font:400 13px var(--sans);text-transform:uppercase;letter-spacing:.05em;color:var(--mute);text-align:left}
  .tbl.stack td.r{text-align:right}
}
.src{display:flex;flex-wrap:wrap;gap:4px 14px;font:400 14px/1.5 var(--sans);color:var(--mute);margin:4px 0 0}
.src a{color:var(--ink2)}

/* Year selector (no URLs) */
.years{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.years button{font:600 14px var(--mono);background:var(--sheet);color:var(--ink);border:1px solid var(--rule2);padding:6px 10px;cursor:pointer}
.years button[aria-pressed="true"]{background:var(--ink);color:var(--sheet);border-color:var(--ink)}

/* Notes: square boxes, full border */
.note{border:1px solid var(--rule2);background:var(--sheet);padding:12px 14px;margin:14px 0}
.note h3{margin:0 0 6px;font-size:16px;text-transform:uppercase;letter-spacing:.06em}
.note ul{margin:0;padding-left:18px}
.note li{margin:3px 0}
.warnbox{border:2px solid var(--warn)}
.warnbox h3{color:var(--warn)}

/* Label locator figure */
.figure{display:grid;gap:12px;align-items:center;border:1px solid var(--rule2);background:var(--sheet);padding:12px}
.figure svg{width:100%;max-width:300px;height:auto;justify-self:center}
@media (min-width:640px){.figure{grid-template-columns:300px 1fr}}

/* Related */
.related{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--rule2);margin:12px 0}
.related a{display:flex;justify-content:space-between;padding:12px 14px;border-top:1px solid var(--rule);text-decoration:none;background:var(--sheet)}
.related a:first-child{border-top:0}
.article figure.hero{margin:0 0 22px}
.article figure.hero figcaption{font:400 13px var(--sans);color:var(--mute);margin-top:4px}
.article figure.hero img{display:block;width:100%;height:auto;border:1px solid var(--rule2)}
.newslead{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center;text-decoration:none;color:var(--ink);padding:6px 0 26px;border-bottom:2px solid var(--ink)}
.newslead img{display:block;width:100%;height:auto;border:1px solid var(--rule2)}
.newslead b{display:block;font:700 30px/1.15 var(--sans);margin:6px 0 10px}
.newslead span{display:block;font:400 17px/1.5 var(--sans);color:var(--mute)}
.newslead:hover b,.newslist a:hover b{text-decoration:underline;text-decoration-color:var(--hivis);text-decoration-thickness:3px;text-underline-offset:3px}
.newslead time,.newslist time{font:600 12px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--mute)}
.newslist{list-style:none;margin:0;padding:0}
.newslist li{border-bottom:1px solid var(--rule)}
.newslist a{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:start;padding:18px 0;text-decoration:none;color:var(--ink)}
.newslist img{display:block;width:100%;height:auto;border:1px solid var(--rule2)}
.newslist b{display:block;font:700 20px/1.25 var(--sans);margin:4px 0 6px}
.newslist span{display:block;font:400 15px/1.5 var(--sans);color:var(--mute)}
@media (max-width:700px){.newslead{grid-template-columns:1fr}.newslead b{font-size:24px}.newslist a{grid-template-columns:110px 1fr;gap:12px}.newslist b{font-size:17px}.newslist span{display:none}}
.relart{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin:12px 0}
.relart a{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--sheet)}
.relart img,.relart i{display:block;width:100%;height:auto;aspect-ratio:640/336;object-fit:cover;border:1px solid var(--rule2);background:var(--rule)}
.relart b{display:block;font:700 18px/1.25 var(--sans);margin:10px 0 4px}
.relart a:hover b{text-decoration:underline;text-decoration-color:var(--hivis);text-decoration-thickness:3px;text-underline-offset:3px}
.relart span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font:400 14px/1.45 var(--sans);color:var(--mute)}
.relart em{font:600 12px var(--mono);font-style:normal;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin-top:6px}
.related a span{color:var(--mute);font:600 13px var(--mono)}
@media (min-width:640px){.related{grid-template-columns:1fr 1fr}.related a:nth-child(2){border-top:0}.related a:nth-child(even){border-left:1px solid var(--rule)}.related.one{grid-template-columns:1fr}.related.one a:nth-child(2){border-top:1px solid var(--rule)}.related.one a:nth-child(even){border-left:0}}

/* Footer */
.foot{margin-top:40px;border-top:2px solid var(--ink);background:var(--sheet);font-size:15px}
.foot .wrap{display:grid;gap:18px;padding-top:22px;padding-bottom:22px}
.foot h4{margin:0 0 6px;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute)}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:4px 0}
.foot a{text-decoration:none;color:var(--ink2)}
.foot .fine{font-size:13px;color:var(--mute);border-top:1px solid var(--rule);padding-top:12px}
@media (min-width:760px){.foot .wrap{grid-template-columns:repeat(4,1fr)}.foot .fine{grid-column:1/-1}}

.tbl .c-cfg span+span::before{content:" · ";color:var(--mute)}

/* Compact two-line rows on phones: config on the left, the number on the right */
@media (max-width:640px){
  .tbl caption{display:block}
  .tbl.compact thead{position:absolute;left:-9999px}
  .tbl.compact,.tbl.compact tbody{display:block;width:100%}
  .tbl.compact tr{display:grid;grid-template-columns:1fr auto;column-gap:10px;padding:9px 12px;border-bottom:1px solid var(--rule)}
  .tbl.compact td{display:inline;border:0;padding:0;background:none!important}
  .tbl.compact tr:nth-child(even){background:color-mix(in srgb,var(--sheet) 70%,var(--paper))}
  .tbl.compact tr.best{background:var(--hi)}
  .tbl.compact .c-cfg{grid-column:1;grid-row:1;font-size:16px}
  .tbl.compact .c-max{grid-column:2;grid-row:1;font-size:18px;text-align:right}
  .tbl.compact .c-code{grid-column:1;grid-row:2;font-size:12px;color:var(--mute)}
  .tbl.compact .c-gcwr{grid-column:2;grid-row:2;font-size:12px;color:var(--mute);text-align:right}
  .tbl.compact .c-gcwr::before{content:"GCWR ";font-family:var(--sans)}
}

/* Oil table: small liters and source cell */
.tbl td small{font-size:.8em;color:var(--mute)}
.tbl td.srccell{font:400 14px var(--sans);color:var(--mute)}
@media (max-width:640px){
  .tbl:not(.compact):not(.stack){display:block;overflow-x:auto;white-space:nowrap}
}
.tbl td.num,.tbl td.code,.tbl td.c-max,.tbl td.c-gcwr{white-space:nowrap}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.filters select{font:400 15px var(--sans);background:var(--sheet);color:var(--ink);border:1px solid var(--rule2);padding:7px 8px;min-width:0;max-width:100%}

/* Model cards (home, make pages): square, full border */
.cards{display:grid;grid-template-columns:1fr;gap:12px;margin:14px 0}
@media (min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:960px){.cards{grid-template-columns:1fr 1fr 1fr}}
.card{border:2px solid var(--ink);background:var(--sheet);padding:14px 16px}
.card h3{margin:0 0 4px;font-size:22px}
.card h3 a{text-decoration:none}
.card-num{margin:0 0 8px;color:var(--ink2)}
.card-num .num{font-size:22px;color:var(--ink);background:var(--hivis);color:#111;padding:0 4px}
.card ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.card li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--rule)}
.card li span{font:600 13px var(--mono);color:var(--mute)}
.prose{max-width:720px}
.prose h2{margin-top:26px}
.form{display:grid;gap:12px;max-width:560px}
.form label{display:grid;gap:4px;font-size:15px}
.form input,.form textarea{font:400 16px var(--sans);padding:9px 10px;border:1px solid var(--rule2);background:var(--sheet);color:var(--ink)}
.form button{justify-self:start;font:700 16px var(--sans);text-transform:uppercase;letter-spacing:.05em;padding:10px 18px;border:2px solid var(--ink);background:var(--hivis);color:#111;cursor:pointer}
.hp{position:absolute;left:-9999px}
.draftbar{margin:12px 0 0;padding:6px 10px;background:var(--hivis);color:#111;font:700 13px var(--sans);text-transform:uppercase;letter-spacing:.06em}
.article-body{font-size:18px}
.article-body h2{font-size:26px;margin:30px 0 8px}
.article-body table{margin:12px 0}
.article-body figure{margin:16px 0}
.article-body figcaption{font-size:14px;color:var(--mute)}

/* Illustrations (includes/illustrations.php) */
.ill{width:100%;height:auto;color:var(--ink);display:block}
.ill-t{fill:currentColor;font-family:var(--mono)}
.ill-b{font-weight:600}
.ill-line{fill:none;stroke:currentColor;stroke-width:2}
.ill-thin{stroke:currentColor;stroke-width:1;stroke-dasharray:3 3}
.ill-dim{stroke:currentColor;stroke-width:1.5}
.ill-guide{fill:none;stroke:currentColor;stroke-width:1.5;stroke-dasharray:6 5}
.ill-fill{fill:var(--sheet);stroke:currentColor;stroke-width:2}
.ill-box{fill:var(--hi);stroke:currentColor;stroke-width:2}
.ill-glass{fill:var(--rule);stroke:currentColor;stroke-width:1.5}
.ill-hole{fill:var(--hivis);stroke:currentColor;stroke-width:2}
.ill-tire{fill:var(--ink);stroke:currentColor;stroke-width:2;fill-opacity:.85}
.ill-accent{stroke:var(--hivis);stroke-width:5;stroke-linecap:round}
figure.illus{margin:18px 0;border:1px solid var(--rule2);background:var(--sheet);padding:12px}
figure.illus figcaption{font-size:13px;color:var(--mute);margin-top:6px}

.srcgrid{border-top:1px solid var(--rule)}
.srow{display:grid;grid-template-columns:260px 1fr;gap:6px 18px;padding:12px 0;border-bottom:1px solid var(--rule)}
.sname{font:600 16px/1.4 var(--sans)}
.sname span{font:400 13px var(--mono);color:var(--mute);margin-left:4px}
.syears{display:flex;flex-wrap:wrap;align-items:flex-start;gap:6px}
.schip{display:inline-flex;flex-direction:column;align-items:center;min-width:52px;padding:4px 8px;border:1px solid var(--rule2);font:500 14px/1.2 var(--mono);scroll-margin-top:90px}
.schip small{font-size:11px;color:var(--mute);margin-top:2px}
.schip:target{background:var(--hivis);color:#111;border-color:var(--ink)}
.schip:target small{color:#111}
@media (max-width:640px){.srow{grid-template-columns:1fr}}
.srclist{list-style:none;padding:0;margin:6px 0 0;font:400 14px/1.6 var(--sans);color:var(--mute)}
.article-body figure.photo{margin:20px 0}
figure.photo img{display:block;width:100%;height:auto;border:1px solid var(--rule2)}
figure.photo figcaption{font:400 14px/1.5 var(--sans);color:var(--mute);margin-top:6px}
figure.photo .credit{display:block;font-size:12px}
figure.photo .credit a{color:inherit}
.article-body .callout{border:2px solid var(--ink);background:var(--sheet);padding:12px 16px;margin:18px 0}
.article-body .callout b:first-child{display:block;font:600 13px/1.3 var(--mono);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.article-body blockquote{margin:18px 0;padding:14px 18px;background:var(--hivis);color:#111;font-style:italic}
.srcmore summary{cursor:pointer;color:var(--mute);font-size:13px}
.srcmore{margin-top:2px}
.asprinted{font:400 12px var(--sans);color:var(--mute)}