@font-face{font-family:"Inter Tight";font-style:normal;font-weight:400;font-display:swap;src:url(/static-wmi/inter-tight-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:400;font-display:swap;src:url(/static-wmi/inter-tight-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter Tight";font-style:italic;font-weight:400;font-display:swap;src:url(/static-wmi/inter-tight-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:500;font-display:swap;src:url(/static-wmi/inter-tight-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:600;font-display:swap;src:url(/static-wmi/inter-tight-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+2212}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:600;font-display:swap;src:url(/static-wmi/inter-tight-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+1E00-1E9F}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:700;font-display:swap;src:url(/static-wmi/inter-tight-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Azeret Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/static-wmi/azeret-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Azeret Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/static-wmi/azeret-mono-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Azeret Mono";font-style:normal;font-weight:600;font-display:swap;src:url(/static-wmi/azeret-mono-latin-600-normal.woff2) format("woff2")}

:root{
  --paper:#F3F4EF; --sheet:#FFFFFF; --ink:#15181C; --ink2:#41474F; --ink3:#5B626B;
  --rule:#D8DBD2; --rule2:#E7E9E2; --mark:#DDF247; --mark-soft:#F1FAC2; --violet:#3C2BA6; --violet-d:#2A1D7C;
  --bar:#2B3038; --bar-soft:#C9CDC4;
  --sans:"Inter Tight",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Azeret Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --wrap:1180px; --read:700px; --r:6px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--sans);font-feature-settings:"tnum" 0}
a{color:var(--violet);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--violet-d);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--violet);outline-offset:2px;border-radius:3px}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em;margin:0}
h2{font-size:22px;font-weight:600;margin:0 0 12px}
h3{font-size:17px;font-weight:600}
p{margin:0 0 14px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:9}
.code{font-family:var(--mono);font-weight:500;letter-spacing:.02em;white-space:nowrap}
a.code{text-decoration:none;border-bottom:1px solid currentColor}
.note{color:var(--ink3);font-size:15px;margin:-4px 0 14px}
.src{color:var(--ink3);font-size:14px;margin:40px 0 0;padding-top:16px;border-top:1px solid var(--rule)}
.more{font-size:15px;color:var(--ink2);margin-top:10px}

/* masthead */
.mast{background:var(--ink);color:#E9ECEF}
.mast-in{display:flex;align-items:center;gap:24px;min-height:60px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:19px;letter-spacing:-.01em;font-weight:500}
.logo b{font-weight:700;margin-left:4px}
.logo .mark{width:30px;height:30px;flex:none}
.logo:hover{color:#fff}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:#D3D8DE;text-decoration:none;font-size:15px;padding:10px 10px;border-radius:4px}
.nav a:hover{color:#fff;background:#262B32}
.nav a[aria-current]{color:var(--ink);background:var(--mark)}
.menu{display:none;margin-left:auto}
.menu summary{list-style:none;cursor:pointer;color:#fff;padding:10px 14px;border:1px solid #3A4048;border-radius:4px;font-size:15px;min-height:44px;display:flex;align-items:center}
.menu summary::-webkit-details-marker{display:none}
.drop{position:absolute;left:0;right:0;top:60px;background:var(--ink);padding:8px 16px 16px;z-index:5;display:flex;flex-direction:column}
.drop a{color:#E9ECEF;text-decoration:none;padding:12px 4px;border-bottom:1px solid #2A3038;font-size:17px}
.drop a[aria-current]{color:var(--mark)}
.mast{position:relative}

/* breadcrumbs */
.crumbs{font-size:14px;color:var(--ink3);padding:18px 0 0}
.crumbs a{color:var(--ink3)}

/* VIN strip */
.strip{display:grid;grid-template-columns:repeat(3,minmax(0,1.6fr)) repeat(5,minmax(0,1fr)) repeat(3,minmax(0,1.45fr)) repeat(6,minmax(0,1fr));gap:3px;margin:20px 0 6px;max-width:760px}
.strip .c{position:relative;display:flex;align-items:center;justify-content:center;height:58px;background:var(--sheet);border-radius:3px;box-shadow:inset 0 -2px 0 var(--rule)}
.strip .c b{font:600 26px/1 var(--mono);color:var(--ink)}
.strip .c i{position:absolute;left:4px;top:3px;font:400 11px/1 var(--sans);font-style:normal;color:var(--ink3)}
.strip .c.on{background:var(--mark);box-shadow:inset 0 -3px 0 var(--ink)}
.strip.sm{max-width:560px}
.strip.sm .c{height:40px}.strip.sm .c b{font-size:18px}
.strip-key{display:grid;grid-template-columns:repeat(3,minmax(0,1.6fr)) repeat(5,minmax(0,1fr)) repeat(3,minmax(0,1.45fr)) repeat(6,minmax(0,1fr));gap:3px;max-width:760px;margin:0 0 18px;font-size:13px;line-height:1.25}
.strip-key>*{grid-column:var(--a)/var(--b);border-top:2px solid var(--ink);padding:6px 4px 0;color:var(--ink2);text-decoration:none;min-height:40px;overflow:hidden}
.strip-key a:hover{color:var(--violet)}
.strip-key span span,.strip-key a span{display:block;font-weight:600;color:var(--ink);font-size:13px}
.strip-key [aria-current]{border-top-color:var(--violet)}
.strip-key .nolink{border-top-color:var(--bar-soft)}
.strip-key em{font-style:normal;display:block;overflow-wrap:normal;hyphens:none}
.strip-key .one em{font-size:12px}

/* entity header */
.ent-head{padding:4px 0 8px}
.ent-head h1{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;margin:12px 0 6px}
.code.big{font-size:56px;font-weight:600;letter-spacing:.04em;line-height:1}
.h1-sub{font-size:26px;font-weight:600;line-height:1.2}
.h1-sub a{color:inherit}
.held{font-size:17px;color:var(--ink2);margin:0 0 14px}
.lede{font-size:20px;line-height:1.5;max-width:var(--read);color:var(--ink)}
.ent-head.mk h1{font-size:40px;margin:10px 0 14px;max-width:900px}
.codewall{display:flex;flex-wrap:wrap;gap:6px;margin:22px 0 4px;max-width:900px}
.codewall .code{background:var(--mark);padding:5px 8px;border-radius:3px;border:0;font-size:15px;color:var(--ink)}
.codewall a.code:hover{background:var(--ink);color:var(--mark)}

/* timeline (dominant visual) */
.viz{background:var(--sheet);border-radius:var(--r);padding:24px 24px 18px;margin:24px 0 32px}
.tl{margin:6px 0 8px}
.tl-axis,.tl-rows li{display:grid;grid-template-columns:minmax(120px,190px) minmax(0,1fr) 92px;gap:12px;align-items:center}
.tl-axis{position:sticky;top:0;background:var(--sheet);z-index:1;padding:4px 0 6px;border-bottom:1px solid var(--rule)}
.tl-axis .tr{position:relative;height:18px}
.tl-axis .tr span{position:absolute;transform:translateX(-50%);font-size:13px;color:var(--ink3);white-space:nowrap}
.tl-axis .tr span:first-child{transform:none}
.tl-axis .tr span:last-child{transform:translateX(-100%)}
.tl-rows{list-style:none;margin:0;padding:0}
.tl-rows li{padding:5px 0;border-bottom:1px solid var(--rule2)}
.tl-rows .nm{font-size:15px;line-height:1.25;overflow-wrap:anywhere}
.tl-rows .tr{position:relative;height:14px}
.tl-rows .tr i{position:absolute;top:-6px;bottom:-6px;width:1px;background:var(--rule2)}
.tl-rows .seg{position:absolute;top:2px;height:10px;background:var(--bar);border-radius:2px;min-width:3px}
.tl-rows .seg.open{border-radius:2px 0 0 2px;background:linear-gradient(90deg,var(--bar) 70%,var(--violet))}
.tl-rows li:hover .seg{background:var(--violet)}
.tl-rows .yr{font-size:14px;color:var(--ink2);text-align:right;white-space:nowrap}
.tl-h{margin:22px 0 4px;font-size:16px}.tl-h small{color:var(--ink3);font-weight:400;margin-left:6px}
.viz .tl-h:first-of-type{margin-top:8px}

/* blocks */
.blk{margin:0 0 36px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:20px 48px}
.kv{display:grid;grid-template-columns:170px 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--rule);margin:0;font-size:16px}
.kv .k{color:var(--ink3);font-size:15px}
.aside-p{font-size:16px;color:var(--ink2);max-width:var(--read)}
.who{color:var(--ink2);font-size:14px;margin-left:6px}

/* bars */
.bars{list-style:none;margin:0;padding:0}
.bars li{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) 58px;gap:12px;align-items:center;padding:7px 0;border-bottom:1px solid var(--rule2);font-size:15px}
.bl{overflow-wrap:anywhere;line-height:1.3}
.bl small{display:block;color:var(--ink3);font-size:14px}
.bt{height:10px;background:var(--rule2);border-radius:2px;overflow:hidden}
.bt span{display:block;height:100%;background:var(--bar);border-radius:0 2px 2px 0}
.bars li:hover .bt span{background:var(--violet)}
.bv{text-align:right;font-variant-numeric:tabular-nums}

/* tables */
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:15px;background:var(--sheet);border-radius:var(--r)}
th{text-align:left;font-weight:600;font-size:14px;color:var(--ink2);padding:10px 12px;border-bottom:2px solid var(--ink)}
td{padding:9px 12px;border-bottom:1px solid var(--rule2);vertical-align:top}
tbody tr:hover td{background:var(--mark-soft)}

/* tool entry */
.tool-entry{display:flex;align-items:center;gap:20px;justify-content:space-between;background:var(--ink);color:#E9ECEF;border-radius:var(--r);padding:20px 24px;margin:8px 0 28px}
.tool-entry p{margin:0;max-width:640px}
.tool-entry .code{color:var(--mark)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border:0;border-radius:4px;background:var(--mark);color:var(--ink);font:600 16px var(--sans);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:#fff;color:var(--ink)}

/* hubs */
.hub-head{padding:6px 0 18px}
.hub-head h1{font-size:40px;margin:6px 0 14px;max-width:900px}
.hub-k{font-size:15px;color:var(--ink3);margin:16px 0 0}
.codelist{columns:3 300px;column-gap:40px}
.cl-g{break-inside:avoid-column;margin:0 0 18px}
.cl-g h3{border-bottom:2px solid var(--ink);padding-bottom:4px;margin-bottom:4px}
.cl-g h3 small{color:var(--ink3);font-weight:400;font-size:14px}
.cl{list-style:none;margin:0;padding:0}
.cl li{display:grid;grid-template-columns:62px 1fr;gap:8px;font-size:15px;padding:4px 0;border-bottom:1px solid var(--rule2);break-inside:avoid}
.cl li span:last-child,.cl li>span:not(.code){color:var(--ink2);overflow-wrap:anywhere}
.charmap{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:4px;margin:8px 0 32px}
.cc{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:8px;background:var(--sheet);padding:8px 10px;border-radius:4px;text-decoration:none;color:var(--ink);min-height:64px;box-shadow:inset 0 -2px 0 var(--rule);min-width:0}
.cc b{font-size:26px;font-weight:600;line-height:1.1}
.cc span{font-weight:600;font-size:15px}
.cc small{flex-basis:100%;font-size:13px;color:var(--ink3);line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
a.cc:hover{background:var(--mark)}
span.cc{opacity:.7}
.charmap.sm{grid-template-columns:repeat(auto-fill,minmax(84px,1fr))}

/* home */
.home-tool{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px;padding:40px 0 24px;align-items:start}
.home-tool h1{font-size:40px;line-height:1.1;max-width:620px;margin:0 0 16px}
.ht-map h2{font-size:18px;margin-bottom:6px}
.home-cols{margin-top:12px}
.guide-mini{margin:0;padding-left:22px;columns:2 300px;column-gap:40px}
.guide-mini li{margin:0 0 10px;break-inside:avoid}

/* forms */
.vin-form{margin:8px 0 6px;max-width:640px}
.vin-form label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.vin-row{display:flex;gap:8px}
.vin-row input{flex:1;min-width:0;min-height:52px;padding:0 14px;font:500 20px var(--mono);letter-spacing:.06em;text-transform:uppercase;border:2px solid var(--ink);border-radius:4px;background:var(--sheet);color:var(--ink)}
.vin-row input::placeholder{font:400 15px var(--sans);letter-spacing:0;text-transform:none;color:var(--ink3)}
.vin-row .btn{min-height:52px}
.help{font-size:14px;color:var(--ink3);margin:6px 0 0}

/* tool */
.tool-head h1{font-size:40px;margin:16px 0 12px}
.ex-note{font-size:15px;color:var(--ink2)}
.res-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:8px 0 36px}
.res-card{background:var(--sheet);border-radius:var(--r);padding:18px 20px;border-top:4px solid var(--ink)}
.res-card:first-child{border-top-color:var(--mark)}
.res-card h3{font-size:14px;font-weight:600;color:var(--ink2);margin-bottom:10px}
.big-line{font-size:20px;font-weight:600;line-height:1.3}
.big-line .code{background:var(--mark);padding:2px 6px;border-radius:3px;margin-right:4px}
.res-card p{font-size:15px}
.calc summary{cursor:pointer;font-size:15px;color:var(--violet);min-height:40px;display:flex;align-items:center}
.calc table{font-size:14px}.calc td,.calc th{padding:4px 8px}
.warn{background:var(--mark-soft);border-left:4px solid var(--ink);padding:12px 16px;border-radius:0 4px 4px 0}
.how{max-width:var(--read)}
.ytable{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:4px;margin:8px 0 12px}
.ytable div{display:grid;grid-template-columns:auto 1fr;column-gap:10px;background:var(--sheet);padding:8px 10px;border-radius:4px;font-size:14px}
.ytable .code{grid-row:1/3;font-size:22px;align-self:center}

/* articles and text pages */
.art-head{max-width:var(--read);padding:8px 0 4px}
.art-head h1,.txt h1{font-size:40px;margin:10px 0 12px}
.byline{color:var(--ink3);font-size:15px}
.prose{max-width:var(--read);font-size:18px;line-height:1.65}
.prose h2{font-size:24px;margin:36px 0 12px}
.prose .lede{font-size:21px}
.fig{margin:22px 0 26px;max-width:var(--read)}
.fig figcaption{font-size:14px;color:var(--ink3);margin-top:8px;line-height:1.4}
.fig table{font-size:15px}
.fig .bars li{font-size:15px}
.art-src{margin-top:40px;padding-top:12px;border-top:1px solid var(--rule);font-size:15px;color:var(--ink2)}
.art-src h2{font-size:18px;margin-top:0}
.guide-list{list-style:none;padding:0;margin:24px 0;max-width:820px;counter-reset:g}
.guide-list li{padding:16px 0;border-bottom:1px solid var(--rule)}
.guide-list a{font-size:21px;font-weight:600}
.guide-list p{margin:6px 0 0;color:var(--ink2);font-size:16px}
.defs dt{font-weight:600;margin-top:16px}
.defs dd{margin:4px 0 0}
.txt{padding-bottom:48px}
.nf{padding-top:40px}
.codes{display:flex;flex-wrap:wrap;gap:8px}
.cl.nb{columns:2 300px;column-gap:40px}
.cl.nb li{grid-template-columns:52px 1fr}
.mlist{list-style:none;margin:0;padding:0;columns:3 220px;column-gap:32px}
.mlist li{break-inside:avoid;padding:5px 0;border-bottom:1px solid var(--rule2);font-size:15px;display:flex;justify-content:space-between;gap:10px}
.mlist small{color:var(--ink3);font-size:14px;white-space:nowrap}

/* footer */
.foot{background:var(--ink);color:#C9CED4;margin-top:56px;font-size:15px}
.foot-in{display:flex;justify-content:space-between;gap:32px;padding-top:28px;padding-bottom:28px;align-items:flex-start}
.foot-brand{display:flex;gap:14px;max-width:680px;margin:0}
.foot-brand .mark{width:28px;height:28px;flex:none}
.foot-nav{display:flex;flex-wrap:wrap;gap:4px 16px;justify-content:flex-end}
.foot-nav a{color:#E9ECEF;padding:8px 0;display:inline-block}

@media (max-width:1000px){
  .nav{display:none}.menu{display:block}
  .home-tool{grid-template-columns:minmax(0,1fr);gap:24px}
  .res-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .cols{grid-template-columns:1fr;gap:0}
  .code.big{font-size:44px}
  .h1-sub{font-size:21px}
  .lede{font-size:18px}
  .hub-head h1,.ent-head.mk h1,.home-tool h1,.tool-head h1,.art-head h1,.txt h1{font-size:30px}
  .strip{gap:2px}
  .strip .c{height:44px}.strip .c b{font-size:17px}.strip .c i{font-size:9px;left:2px;top:2px}
  .strip.sm .c{height:34px}.strip.sm .c b{font-size:14px}
  .strip-key{font-size:11px;gap:2px}.strip-key a span,.strip-key span span{font-size:11px}
  .strip-key>*{padding:4px 1px 0;overflow:hidden}
  .strip-key .one em{display:none}
  .viz{padding:16px 12px 12px;margin:20px -4px 28px}
  .tl-axis,.tl-rows li{grid-template-columns:minmax(0,1fr) 74px;gap:4px 8px}
  .tl-axis .nm,.tl-axis .yr{display:none}
  .tl-axis .tr{grid-column:1/-1}
  .tl-rows .nm{grid-column:1;grid-row:1}
  .tl-rows .yr{grid-column:2;grid-row:1;font-size:13px}
  .tl-rows .tr{grid-column:1/-1;grid-row:2}
  .kv{grid-template-columns:1fr;gap:2px}
  .bars li{grid-template-columns:minmax(0,1fr) 52px;gap:4px 8px}
  .bars .bl{grid-column:1/-1}
  .bars .bt{grid-column:1}
  .tool-entry{flex-direction:column;align-items:flex-start;padding:18px}
  .tbl:not(.wide) table,.tbl:not(.wide) thead,.tbl:not(.wide) tbody,.tbl:not(.wide) tr,.tbl:not(.wide) td{display:block}
  .tbl:not(.wide) thead{position:absolute;left:-9999px}
  .tbl:not(.wide) tr{border-bottom:1px solid var(--rule);padding:8px 0}
  .tbl:not(.wide) td{border:0;padding:3px 10px;display:grid;grid-template-columns:118px 1fr;gap:10px}
  .tbl:not(.wide) td::before{content:attr(data-l);color:var(--ink3);font-size:13px}
  .calc .tbl table,.calc .tbl thead,.calc .tbl tbody,.calc .tbl tr,.calc .tbl td{display:revert}
  .codelist{columns:1}
  .prose{font-size:17px}
  .foot-in{flex-direction:column;gap:16px}
  .foot-nav{justify-content:flex-start}
  .charmap,.charmap.sm{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}
  .cc{padding:8px;min-height:56px}.cc b{font-size:22px}
  .vin-row input{font-size:17px;letter-spacing:.03em}
}