@font-face{font-family:"Archivo";font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(/assets/archivo.woff2) format("woff2-variations"),url(/assets/archivo.woff2) format("woff2")}
/* MachinistCharts — "Dykem & ground steel"
   Layout: left-aligned 12-col sheet; each page opens with a value + a generated technical drawing.
   Ground steel paper, graphite ink, Dykem layout-fluid blue as the single accent, brass for the live needle. */
:root{
  --ground:#e9ecea; --sheet:#f7f8f7; --ink:#151b22; --ink-2:#4a5560; --ink-3:#6c7782;
  --scribe:#c5ccd1; --scribe-2:#dde2e4; --dykem:#2338c4; --dykem-2:#1a2a97; --dykem-soft:#dfe4fb;
  --brass:#9a6c12; --brass-soft:#f4ead3; --hatch:#9aa6b0;
  --g1:#7d93e6; --g2:#3f57d4; --g3:#1b2a86;
  --font:"Archivo",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --r:4px; --gut:clamp(16px,4vw,40px); --max:1240px;
  --ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ground:#0b1124; --sheet:#111a33; --ink:#e7ebf3; --ink-2:#a4aec4; --ink-3:#8590a9;
  --scribe:#2a3558; --scribe-2:#1d2746; --dykem:#97a8ff; --dykem-2:#c2ccff; --dykem-soft:#1c2a5c;
  --brass:#e3b553; --brass-soft:#3a2f17; --hatch:#45507a;
  --g1:#4b5fb8; --g2:#7d8ff0; --g3:#c4cdff; color-scheme:dark}}
:root[data-theme="dark"]{
  --ground:#0b1124; --sheet:#111a33; --ink:#e7ebf3; --ink-2:#a4aec4; --ink-3:#8590a9;
  --scribe:#2a3558; --scribe-2:#1d2746; --dykem:#97a8ff; --dykem-2:#c2ccff; --dykem-soft:#1c2a5c;
  --brass:#e3b553; --brass-soft:#3a2f17; --hatch:#45507a;
  --g1:#4b5fb8; --g2:#7d8ff0; --g3:#c4cdff; color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
a{color:var(--dykem);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--dykem-2)}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}
::selection{background:var(--dykem);color:var(--sheet)}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.num,table,.tnum{font-variant-numeric:tabular-nums lining-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- type ---------- */
h1,h2,h3{font-weight:760;letter-spacing:-.018em;text-wrap:balance;margin:0}
h1{font-size:clamp(36px,5.4vw,60px);line-height:1.02;font-variation-settings:"wdth" 116}
h2{font-size:clamp(26px,3vw,34px);line-height:1.12;font-variation-settings:"wdth" 110}
h3{font-size:19px;line-height:1.3;font-variation-settings:"wdth" 104;font-weight:700}
p{margin:0 0 14px;max-width:66ch}
.lede{font-size:clamp(18px,1.6vw,20px);color:var(--ink-2);line-height:1.5;max-width:56ch;margin-top:16px}
.small{font-size:14px;color:var(--ink-3)}
.meta{font-size:14px;color:var(--ink-3);margin:12px 0 0}
.meta time{color:var(--ink-2);font-weight:600}
code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88em;background:var(--scribe-2);padding:1px 6px;border-radius:4px;color:var(--ink);overflow-wrap:anywhere}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--ink);color:var(--sheet);padding:10px 14px;border-radius:6px;font-weight:650;text-decoration:none}
.skip:focus{top:12px;color:var(--sheet)}
.dl-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin-top:18px;font-size:15px}
.dl-row a{font-weight:650}
.label{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.01em}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-bottom-color:var(--scribe)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:18px;font-variation-settings:"wdth" 118;letter-spacing:-.02em;white-space:nowrap}
.brand svg{width:26px;height:26px;flex:none}
.brand:hover{color:var(--ink)}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:560;font-size:15px;padding:8px 12px;border-radius:var(--r);transition:background .15s,color .15s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);background:var(--scribe-2)}
.findbtn{margin-left:auto;display:flex;align-items:center;gap:10px;font:inherit;font-size:15px;color:var(--ink-3);background:var(--sheet);border:1px solid var(--scribe);border-radius:999px;padding:7px 8px 7px 14px;cursor:pointer;min-width:220px;transition:border-color .15s,box-shadow .15s}
.findbtn:hover{border-color:var(--ink-3)}
.findbtn svg{width:16px;height:16px}
.findbtn kbd{margin-left:auto;font:600 12px var(--font);border:1px solid var(--scribe);border-radius:4px;padding:1px 7px;color:var(--ink-3);background:var(--ground)}
@media (max-width:860px){.nav{display:none}.findbtn{min-width:0}.findbtn span,.findbtn kbd{display:none}.findbtn{padding:9px}}

/* ---------- page frame ---------- */
main{padding-block:28px 40px}
.crumbs{font-size:14px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;margin-bottom:22px}
.crumbs a{color:var(--ink-3);text-decoration:none}
.crumbs a:hover{color:var(--dykem)}
.crumbs span[aria-hidden]{opacity:.5}
section.blk{padding-block:clamp(48px,7vw,88px) 0}
.blk-head{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin-bottom:28px;max-width:760px}
.blk-head p{color:var(--ink-2);margin:0}

/* ---------- hero (detail pages) ---------- */
.hero{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,72px);align-items:start}
@media (max-width:920px){.hero{grid-template-columns:minmax(0,1fr)}}
.readout{margin-top:30px;padding-top:22px;border-top:2px solid var(--ink)}
.readout .ctx{font-size:15px;font-weight:600;color:var(--ink-2)}
.big{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 14px;margin:2px 0 4px}
.big .v{font-size:clamp(64px,10vw,116px);line-height:.95;font-weight:820;font-variation-settings:"wdth" 125;letter-spacing:-.035em;color:var(--dykem);font-variant-numeric:tabular-nums lining-nums}
.big .u{font-size:clamp(22px,2.6vw,32px);font-weight:700;font-variation-settings:"wdth" 112;color:var(--ink)}
.alt{font-size:17px;color:var(--ink-2)}
.alt b{color:var(--ink);font-weight:650}
.controls{display:flex;flex-wrap:wrap;gap:12px 18px;margin-top:22px;align-items:center}
.seg{display:inline-flex;background:var(--sheet);border:1px solid var(--scribe);border-radius:6px;padding:3px;gap:2px}
.seg button{font:inherit;font-size:14px;font-weight:620;color:var(--ink-2);background:transparent;border:0;border-radius:4px;padding:6px 12px;cursor:pointer;transition:background .18s var(--ease),color .18s;font-variant-numeric:tabular-nums}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--sheet)}
.ctl-label{font-size:13px;color:var(--ink-3);font-weight:600;margin-right:8px}
.ctl{display:flex;align-items:center}
.copy{font:inherit;font-size:14px;font-weight:620;display:inline-flex;align-items:center;gap:6px;color:var(--dykem);background:none;border:1px solid transparent;border-radius:6px;padding:6px 10px;cursor:pointer}
.copy:hover{border-color:var(--scribe);background:var(--sheet)}
.copy svg{width:15px;height:15px}
.copy.done{color:var(--brass)}

/* drawing plate */
.plate{background:var(--sheet);border:1px solid var(--scribe);border-radius:var(--r);position:relative}
.plate figcaption{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3);padding:10px 14px;border-top:1px solid var(--scribe-2)}
.plate figcaption b{color:var(--ink-2);font-weight:650}
figure{margin:0}
.dial{padding:18px 18px 6px;max-width:460px;margin-inline:auto}
.dial svg{display:block;width:100%;height:auto}
.dial .tk{stroke:var(--ink-3);stroke-width:1}
.dial .tkM{stroke:var(--ink);stroke-width:1.6}
.dial .tl{fill:var(--ink-2);font:600 11px var(--font);font-variant-numeric:tabular-nums}
.dial .arc{fill:none;stroke:var(--scribe);stroke-width:1}
.dial .band{fill:none;stroke-width:9;stroke-linecap:butt}
.dial .gm{fill:var(--ink);font:700 12px var(--font)}
.dial .needle{transition:transform .9s var(--ease)}
.dial .needle line{stroke:var(--brass);stroke-width:3;stroke-linecap:round}
.dial .hub{fill:var(--ink)}
.dial .hub2{fill:var(--brass)}
.dial .unit{fill:var(--ink-3);font:600 12px var(--font)}

/* technical drawings */
.dwg{display:block;width:100%;height:auto}
.dwg .o{fill:none;stroke:var(--ink);stroke-width:1.6;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.dwg .t{fill:none;stroke:var(--ink-3);stroke-width:.9;vector-effect:non-scaling-stroke}
.dwg .c{fill:none;stroke:var(--ink-3);stroke-width:.8;stroke-dasharray:10 3 2 3;vector-effect:non-scaling-stroke}
.dwg .d{fill:none;stroke:var(--dykem);stroke-width:1;vector-effect:non-scaling-stroke}
.dwg .ar{fill:var(--dykem)}
.dwg .dt{fill:var(--dykem);font-family:var(--font);font-weight:650;font-variant-numeric:tabular-nums}
.dwg .mat{fill:url(#hatch);stroke:var(--ink);stroke-width:1.4;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.dwg .hl{stroke:var(--hatch);stroke-width:1;vector-effect:non-scaling-stroke}
.dwg .pct{fill:var(--brass);font-family:var(--font);font-weight:820;font-variation-settings:"wdth" 125}
.dwg .pctl{fill:var(--ink-3);font-family:var(--font);font-weight:600}
.dwg .fillv{fill:var(--sheet)}
.draw svg.dwg{animation:sweep 1.5s var(--ease) both}
.draw .dt,.draw .ar{animation:fadein .6s 1.1s both}
@keyframes sweep{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes fadein{from{opacity:0}to{opacity:1}}

/* ---------- tables ---------- */
.tbl{background:var(--sheet);border:1px solid var(--scribe);border-radius:var(--r);overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{padding:13px 16px;text-align:right;white-space:nowrap;border-bottom:1px solid var(--scribe-2)}
th:first-child,td:first-child{text-align:left}
thead th{font-size:13px;font-weight:620;color:var(--ink-3);background:var(--sheet);position:sticky;top:0;border-bottom:1px solid var(--scribe)}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .15s}
tbody tr:hover{background:color-mix(in srgb,var(--dykem-soft) 45%,transparent)}
tr.cur{background:var(--dykem-soft)!important}
tr.cur td:first-child{box-shadow:inset 3px 0 0 var(--dykem)}
td a{font-weight:650;text-decoration:none}
td a:hover{text-decoration:underline}
td .sub{color:var(--ink-3);font-size:14px;margin-left:6px}
td.bar{min-width:180px}
.cellbar{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.cellbar i{display:block;height:6px;border-radius:0 3px 3px 0;background:var(--dykem);opacity:.85;transition:width .5s var(--ease)}
tbody tr.rowlink{cursor:pointer}
.tnote{font-size:14px;color:var(--ink-3);margin-top:10px}

/* ---------- title block (spec sheet) ---------- */
.spec-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,3vw,36px);align-items:start}
@media (max-width:920px){.spec-grid{grid-template-columns:minmax(0,1fr)}}
.tblock{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1.5px solid var(--ink);border-radius:2px;background:var(--sheet)}
.tblock div{padding:12px 14px 13px;border-right:1px solid var(--scribe);border-bottom:1px solid var(--scribe);min-width:0}
.tblock div:nth-child(2n){border-right:0}
.tblock div.wide{grid-column:1/-1;border-right:0}
.tblock dt{font-size:13px;color:var(--ink-3);font-weight:600}
.tblock dd{margin:2px 0 0;font-size:18px;font-weight:680;font-variant-numeric:tabular-nums;font-variation-settings:"wdth" 106;overflow-wrap:anywhere}
.tblock dd a{text-decoration:none}
.tblock dd small{font-size:14px;color:var(--ink-3);font-weight:500}
.tblock div:nth-last-child(-n+2):not(.wide),.tblock div.wide:last-child{border-bottom:0}

/* ---------- guidance ---------- */
.guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,40px)}
@media (max-width:860px){.guide{grid-template-columns:minmax(0,1fr)}}
.guide article{border-top:2px solid var(--ink);padding-top:16px}
.guide article p{color:var(--ink-2);font-size:16px}
.guide svg{width:120px;height:auto;display:block;margin:4px 0 10px}

/* worked formula */
.formula{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:start}
@media (max-width:860px){.formula{grid-template-columns:minmax(0,1fr)}}
.eq{background:var(--ink);color:var(--sheet);border-radius:var(--r);padding:26px 28px}
.eq .main.long{font-size:clamp(22px,2.4vw,30px)}
.eq .main{font-size:clamp(30px,4vw,44px);font-weight:780;font-variation-settings:"wdth" 120;letter-spacing:-.01em;font-style:normal}
.eq dl{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:8px 18px;margin:20px 0 0;font-size:16px}
.eq dt{font-weight:760;color:var(--brass);font-variation-settings:"wdth" 112}
.eq dd{margin:0;opacity:.88}
.eq .res{margin-top:20px;padding-top:16px;border-top:1px solid color-mix(in srgb,var(--sheet) 25%,transparent);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.eq .res span{color:var(--brass)}

/* size strip / drill index */
.strip{display:flex;flex-wrap:wrap;gap:8px}
.strip a{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;min-width:58px;padding:10px 8px 8px;background:var(--sheet);border:1px solid var(--scribe);border-radius:var(--r);text-decoration:none;color:var(--ink);font-weight:650;font-size:14px;font-variant-numeric:tabular-nums;transition:border-color .15s,transform .15s var(--ease)}
.strip a:hover{border-color:var(--dykem);transform:translateY(-2px)}
.strip a .hole{display:block;border-radius:50%;background:var(--ground);box-shadow:inset 0 0 0 1.5px var(--ink),inset 0 2px 4px color-mix(in srgb,var(--ink) 30%,transparent)}
.strip a[aria-current="page"]{background:var(--ink);color:var(--sheet);border-color:var(--ink)}
.strip a[aria-current="page"] .hole{background:var(--dykem);box-shadow:inset 0 0 0 1.5px var(--sheet)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:22px;font-weight:650}
.pager a{text-decoration:none}

/* drill picker */
.drills{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.drill{font:inherit;text-align:left;display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 12px;align-items:center;background:var(--sheet);border:1px solid var(--scribe);border-radius:var(--r);padding:12px 14px;cursor:pointer;color:var(--ink);transition:border-color .15s,background .15s}
.drill:hover{border-color:var(--ink-3)}
.drill[aria-pressed="true"]{border-color:var(--dykem);background:var(--dykem-soft);box-shadow:inset 0 0 0 1px var(--dykem)}
.drill .hole{grid-row:span 2;width:30px;height:30px;border-radius:50%;background:var(--ground);box-shadow:inset 0 0 0 1.5px var(--ink),inset 0 2px 4px color-mix(in srgb,var(--ink) 30%,transparent)}
.drill b{font-size:18px;font-weight:720;font-variant-numeric:tabular-nums;white-space:nowrap}
.drill span{font-size:13px;color:var(--ink-3)}
.drill[aria-pressed="true"] .hole{background:var(--dykem)}
.drill .tag{grid-column:1/-1;font-size:12px;font-weight:650;color:var(--dykem)}
.pctbar{height:8px;background:var(--scribe-2);border-radius:4px;overflow:hidden;margin-top:10px;max-width:420px}
.pctbar i{display:block;height:100%;background:var(--brass);transition:width .5s var(--ease)}

/* materials */
.mat-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--scribe)}
.mat-list div{padding:14px 16px 14px 0;border-bottom:1px solid var(--scribe)}
.mat-list b{display:block;font-size:16px}
.mat-list span{font-size:15px;color:var(--ink-2)}
.range{position:relative;height:6px;background:var(--scribe-2);border-radius:3px;margin:10px 0 4px;max-width:240px}
.range i{position:absolute;top:0;bottom:0;background:var(--dykem);border-radius:3px}

/* clearance circles */
.clear{display:flex;gap:22px;align-items:flex-end;flex-wrap:wrap}
.clear figure{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:14px;color:var(--ink-2)}
.clear figure b{color:var(--ink);font-size:16px;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq{max-width:820px;border-top:1px solid var(--scribe)}
.faq details{border-bottom:1px solid var(--scribe)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font-weight:680;font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:18px;font-weight:680;margin:0;font-variation-settings:"wdth" 100;letter-spacing:0}
.faq summary::after{content:"";flex:none;width:12px;height:12px;margin-top:7px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:rotate(45deg);transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(225deg)}
.faq details p{color:var(--ink-2);padding-bottom:18px;margin:0}

.warn{display:flex;gap:14px;align-items:flex-start;background:var(--brass-soft);border-radius:var(--r);padding:14px 18px;font-size:15px;color:var(--ink);max-width:820px;margin-top:22px}
.warn svg{flex:none;width:20px;height:20px;color:var(--brass);margin-top:2px}

/* ---------- home ---------- */
.home-hero{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,5vw,64px);align-items:center;padding-block:clamp(24px,5vw,64px) 0}
@media (max-width:920px){.home-hero{grid-template-columns:minmax(0,1fr)}}
.home-hero h1{font-size:clamp(42px,6.6vw,80px);font-variation-settings:"wdth" 120;letter-spacing:-.03em;line-height:.98}
.qbox{position:relative;margin-top:30px;max-width:560px}
.qbox input{width:100%;font:inherit;font-size:20px;font-weight:560;padding:18px 20px 18px 54px;border:1.5px solid var(--ink);border-radius:8px;background:var(--sheet);color:var(--ink);box-shadow:0 1px 0 var(--ink)}
.qbox input::placeholder{color:var(--ink-3);font-weight:450}
.qbox input:focus{outline:none;box-shadow:0 0 0 4px var(--dykem-soft),0 1px 0 var(--ink);border-color:var(--dykem)}
.qbox>svg{position:absolute;left:20px;top:22px;width:20px;height:20px;color:var(--ink-3)}
.qhint{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;font-size:14px;color:var(--ink-3);align-items:center}
.qhint button{font:inherit;font-size:14px;font-weight:620;color:var(--ink-2);background:var(--sheet);border:1px solid var(--scribe);border-radius:999px;padding:4px 12px;cursor:pointer}
.qhint button:hover{border-color:var(--dykem);color:var(--dykem)}
.results{list-style:none;margin:8px 0 0;padding:6px;background:var(--sheet);border:1px solid var(--scribe);border-radius:8px;max-height:380px;overflow:auto;box-shadow:0 18px 40px -20px color-mix(in srgb,var(--ink) 45%,transparent)}
.results[hidden]{display:none}
.results li a{display:flex;justify-content:space-between;gap:16px;padding:10px 12px;border-radius:5px;text-decoration:none;color:var(--ink)}
.results li a b{font-weight:680}
.results li a span{color:var(--ink-3);font-size:14px;text-align:right}
.results li a:hover,.results li a.act{background:var(--dykem-soft)}
.results .none{padding:12px;color:var(--ink-3);font-size:15px}
.hero-plate{padding:8px}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:clamp(40px,6vw,72px);border-top:2px solid var(--ink)}
.facts div{padding:18px 18px 0 0}
.facts b{display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;font-variation-settings:"wdth" 122;letter-spacing:-.02em;line-height:1.05}
.facts span{color:var(--ink-2);font-size:15px}
@media (max-width:620px){.facts{grid-template-columns:minmax(0,1fr)}.facts div{border-bottom:1px solid var(--scribe);padding-bottom:14px}}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px)}
@media (max-width:860px){.two{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--sheet);border:1px solid var(--scribe);border-radius:var(--r);padding:clamp(20px,3vw,32px)}
.panel h3{margin-bottom:6px}
.panel p{color:var(--ink-2);font-size:16px}
.go{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;margin-top:14px}
.go svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.go:hover svg{transform:translateX(3px)}
.stds{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.5vw,32px)}
@media (max-width:860px){.stds{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.stds{grid-template-columns:minmax(0,1fr)}}
.stds div{border-top:2px solid var(--ink);padding-top:14px}
.stds b{display:block;font-size:22px;font-weight:780;font-variation-settings:"wdth" 118}
.stds span{font-size:15px;color:var(--ink-2)}
.calc-tile{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:18px;align-items:center;text-decoration:none;color:var(--ink)}
.calc-tile:hover{color:var(--ink)}
.calc-tile:hover h3{color:var(--dykem)}
.calc-tile>svg{width:150px;height:auto}
@media (max-width:480px){.calc-tile{grid-template-columns:minmax(0,1fr)}.calc-tile>svg{display:none}}

/* hub chart */
.chart-wrap{position:relative}
.chart{display:block;width:100%;height:auto}
.chart .grid{stroke:var(--scribe-2);stroke-width:1}
.chart .ax{fill:var(--ink-3);font:600 12px var(--font);font-variant-numeric:tabular-nums}
.chart .ln{fill:none;stroke-width:2;stroke-linejoin:round}
.chart .pt{stroke:var(--sheet);stroke-width:2}
.chart .dl{font:700 13px var(--font);fill:var(--ink)}
.chart .hit{fill:transparent;cursor:crosshair}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;color:var(--ink-2);margin:0 0 10px}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:18px;height:3px;border-radius:2px;display:inline-block}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--sheet);font-size:14px;font-weight:600;padding:7px 10px;border-radius:5px;white-space:nowrap;transform:translate(-50%,-120%);opacity:0;transition:opacity .12s}
.tip.on{opacity:1}
.jump{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.jump a{font-size:15px;font-weight:650;padding:7px 14px;border:1px solid var(--scribe);border-radius:999px;text-decoration:none;color:var(--ink);background:var(--sheet)}
.jump a:hover{border-color:var(--dykem);color:var(--dykem)}
.filter{font:inherit;font-size:16px;padding:10px 14px;border:1px solid var(--scribe);border-radius:6px;background:var(--sheet);color:var(--ink);width:min(100%,320px)}
.filter:focus{outline:none;border-color:var(--dykem);box-shadow:0 0 0 3px var(--dykem-soft)}

/* calculators */
.calc{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:920px){.calc{grid-template-columns:minmax(0,1fr)}}
.form{display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-size:14px;font-weight:650;color:var(--ink-2)}
.field select,.field input{font:inherit;font-size:18px;font-weight:560;padding:11px 14px;border:1px solid var(--scribe);border-radius:6px;background:var(--sheet);color:var(--ink);min-width:0;width:100%}
.field select:focus,.field input:focus{outline:none;border-color:var(--dykem);box-shadow:0 0 0 3px var(--dykem-soft)}
.field small{font-size:13px;color:var(--ink-3)}
.row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
.lcd{background:var(--ink);color:var(--sheet);border-radius:var(--r);padding:22px 24px}
.lcd .label{color:color-mix(in srgb,var(--sheet) 65%,transparent)}
.lcd .v{font-size:clamp(56px,8vw,96px);font-weight:820;font-variation-settings:"wdth" 125;letter-spacing:-.03em;line-height:1;color:var(--brass);font-variant-numeric:tabular-nums}
.lcd .u{font-size:24px;font-weight:700;margin-left:8px}
.lcd .more{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid color-mix(in srgb,var(--sheet) 22%,transparent)}
.lcd .more b{display:block;font-size:20px;font-variant-numeric:tabular-nums}
.lcd .more span{font-size:13px;color:color-mix(in srgb,var(--sheet) 65%,transparent)}

/* prose pages */
.prose{display:grid;grid-template-columns:minmax(0,1fr);max-width:760px}
.prose h2{margin:40px 0 12px;font-size:26px}
.prose p,.prose li{color:var(--ink-2)}
.prose ul{padding-left:20px}

/* ---------- footer ---------- */
.foot{margin-top:clamp(64px,9vw,120px);background:var(--ink);color:color-mix(in srgb,var(--sheet) 80%,transparent)}
.foot .wrap{padding-block:56px 36px}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(4,minmax(0,1fr));gap:28px}
@media (max-width:920px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-grid>div:first-child{grid-column:1/-1}}
.foot .brand{color:var(--sheet)}
.foot h4{margin:0 0 10px;font-size:14px;color:var(--sheet);font-weight:700}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a{color:color-mix(in srgb,var(--sheet) 72%,transparent);text-decoration:none;font-size:15px}
.foot a:hover{color:var(--sheet)}
.foot p{font-size:15px;max-width:38ch}
.foot .legal{margin-top:40px;padding-top:18px;border-top:1px solid color-mix(in srgb,var(--sheet) 16%,transparent);font-size:14px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* ---------- search dialog ---------- */
dialog.find{border:0;padding:0;background:transparent;width:min(640px,calc(100vw - 32px));margin:12vh auto auto;color:var(--ink)}
dialog.find::backdrop{background:color-mix(in srgb,var(--ground) 55%,transparent);backdrop-filter:blur(6px)}
.find-box{background:var(--sheet);border:1px solid var(--scribe);border-radius:10px;box-shadow:0 30px 70px -30px color-mix(in srgb,var(--ink) 60%,transparent);overflow:hidden}
.find-box .qbox{margin:0;max-width:none}
.find-box .qbox input{border:0;border-bottom:1px solid var(--scribe);border-radius:0;box-shadow:none}
.find-box .results{border:0;box-shadow:none;margin:0;border-radius:0;max-height:min(60vh,440px)}
.find-foot{font-size:13px;color:var(--ink-3);padding:10px 16px;border-top:1px solid var(--scribe-2)}

@media (max-width:560px){
  body{font-size:16px}
  .strip{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:8px;margin-inline:calc(var(--gut)*-1);padding-inline:var(--gut);scrollbar-width:thin}
  .strip a{flex:none;scroll-snap-align:start}
  .mat-list{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  th,td{padding:11px 12px}
  .tblock{grid-template-columns:minmax(0,1fr)}
  .tblock div{border-right:0}
  .tblock div:nth-last-child(2):not(.wide){border-bottom:1px solid var(--scribe)}
  .lcd .more{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .row2{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}