/* Australian Home Equipment — "Field Guide" design system (SPEC 5.1) */
:root{
  --paper:#F7F4EC; --ink:#1E2A32; --ink-2:#4B5A64; --line:#D9D3C4;
  --teal:#0F6E63; --teal-soft:#DCEFEA; --ochre:#B8741A;--ochre-ink:#8A5510; --rust:#A33A2A;
  --sev-low:#2E7D4F; --sev-med:#B8741A; --sev-high:#A33A2A;
  --card:#FFFDF7;
  --serif:Georgia,"Times New Roman","Noto Serif",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:44rem;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#141715; --ink:#E6E4DC; --ink-2:#A9B0AB; --line:#2C332F;
    --teal:#5CC1B0; --teal-soft:#173A35; --ochre:#E0A54F;--ochre-ink:#E0A54F; --rust:#E27B6A;
    --sev-low:#6FBE8C; --sev-med:#E0A54F; --sev-high:#E27B6A;
    --card:#1A1E1B;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:1rem/1.6 var(--sans);font-size:16px}
@media (min-width:768px){body{font-size:17px}}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.2;margin:1.8em 0 .5em}
h1{font-size:2rem;line-height:1.15;margin-top:0}
h2{font-size:1.45rem}
h3{font-size:1.15rem}
p,ul,ol,dl{margin:0 0 1em}
small,.small{font-size:.875rem}
a{color:var(--teal)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--ochre);outline-offset:2px}
img,svg{max-width:100%;height:auto}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--teal);color:var(--paper);padding:.6em 1em;z-index:20}
.skip:focus{left:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1rem}
/* Header */
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}
.site-header .bar{max-width:72rem;margin:0 auto;padding:.7rem 1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.brand{font-family:var(--serif);font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;margin-right:auto}
.site-nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.site-nav a{text-decoration:none;font-size:.9375rem}
.site-nav a:hover,.site-nav a[aria-current]{text-decoration:underline}
.search-btn{font:inherit;font-size:.9375rem;color:var(--teal);background:none;border:1px solid var(--line);border-radius:6px;padding:.25rem .7rem;text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
/* Breadcrumb */
.crumbs{border-bottom:1px solid var(--line)}
.crumbs ol{max-width:72rem;margin:0 auto;padding:.5rem 1rem;list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;font-size:.8125rem;color:var(--ink-2)}
.crumbs li+li::before{content:"/";margin-right:.35rem;color:var(--line)}
/* Layout */
.layout{max-width:72rem;margin:0 auto;padding:1.5rem 1rem 3rem;display:block}
main{max-width:var(--wrap)}
.layout.wide main{max-width:none}
.rail{display:block;margin-top:2rem}
@media (min-width:960px){
  .layout{display:grid;grid-template-columns:minmax(0,var(--wrap)) 16rem;gap:2.5rem;align-items:start}
  .rail{position:sticky;top:1rem;font-size:.9375rem;margin-top:0}
  .layout.wide{grid-template-columns:minmax(0,1fr)}
}
.meta{color:var(--ink-2);font-size:.875rem;margin:-.4em 0 1.6em}
/* Key facts */
.keyfacts{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--ink-2);padding:.2rem 1rem;margin:1.5rem 0}
.keyfacts.sev-low{border-left-color:var(--sev-low)}
.keyfacts.sev-medium{border-left-color:var(--sev-med)}
.keyfacts.sev-high{border-left-color:var(--sev-high)}
.keyfacts th[scope=row]{font-variant-caps:all-small-caps;letter-spacing:.03em;font-size:.9375rem;color:var(--ink-2);white-space:nowrap;vertical-align:top}
.keyfacts table{margin:0}
.keyfacts .table-scroll{border:0;margin:.6rem 0}
.sev.sev-low{color:var(--sev-low)}.sev.sev-medium{color:var(--ochre-ink)}.sev.sev-high{color:var(--sev-high)}
/* Tables */
.table-scroll{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:.9375rem}
caption{text-align:left;padding:.5rem .6rem;color:var(--ink-2);font-size:.875rem;border-bottom:1px solid var(--line)}
th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--teal-soft);font-family:var(--sans);font-size:.875rem}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
/* Chips */
code{font-family:var(--mono);font-size:.9em}
.chip{background:var(--teal-soft);border-radius:2px;padding:.05em .35em;white-space:nowrap}
/* Figures */
figure{margin:1.6rem 0}
figure img{display:block;width:100%;height:auto;border:1px solid var(--line);background:var(--card)}
figcaption{color:var(--ink-2);font-size:.875rem;margin-top:.5rem}
/* Callouts */
.callout{border:1px solid var(--line);border-left:4px solid var(--teal);background:var(--card);padding:.8rem 1rem;margin:1.5rem 0;font-size:.9375rem}
.callout-safety{border-left-color:var(--ochre)}
.callout-safety::before{content:"Safety";display:block;font-variant-caps:all-small-caps;letter-spacing:.05em;color:var(--ochre-ink);font-weight:700}
/* TOC */
.toc{border:1px solid var(--line);background:var(--card);padding:.8rem 1rem;margin:1.5rem 0;font-size:.9375rem}
.toc>p{font-variant-caps:all-small-caps;letter-spacing:.04em;color:var(--ink-2);margin:0 0 .4rem;font-weight:700}
.toc ul{list-style:none;margin:0;padding:0}
.toc li{margin:.25rem 0}
.toc ul ul{padding-left:1rem}
.rail .toc{margin-top:0}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.5rem 1.1rem;background:var(--teal);color:var(--paper);border:1px solid var(--teal);border-radius:6px;text-decoration:none;font:inherit;font-size:.9375rem;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn-quiet{background:transparent;color:var(--teal)}
/* Related / sources */
.related,.sources{border-top:1px solid var(--line);padding-top:1rem;margin-top:2rem}
.related h2,.sources h2{font-size:1.15rem;margin-top:0}
.sources ol{padding-left:1.2rem;font-size:.875rem;color:var(--ink-2)}
.sources li{margin-bottom:.4rem}
.related ul{list-style:none;padding:0}
.related li{margin:.3rem 0}
/* Home */
.promise{font-size:1.15rem;color:var(--ink-2)}
.panels{display:grid;gap:1.5rem}
@media (min-width:700px){.panels{grid-template-columns:repeat(3,1fr)}}
.panel h2{font-size:1.15rem;margin:0 0 .4rem;padding-bottom:.3rem;border-bottom:2px solid var(--teal-soft)}
.panel ul{list-style:none;padding:0;font-size:.9375rem}
.panel li{margin:.35rem 0}
.tools-strip ul{list-style:none;padding:0}
.tools-strip li{margin:.6rem 0;padding-left:0}
.tools-strip .d{color:var(--ink-2);font-size:.9375rem;display:block}
.finder{border:1px solid var(--line);background:var(--card);padding:1rem;margin:1.5rem 0}
.finder .row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:flex-end}
/* Forms / calculators */
.calc{border:1px solid var(--line);background:var(--card);padding:1rem;margin:1.5rem 0}
.calc fieldset{border:0;padding:0;margin:0 0 1rem}
.calc legend{font-family:var(--serif);font-weight:700;font-size:1.05rem;padding:0;margin-bottom:.5rem}
.grid2{display:grid;gap:.8rem}
@media (min-width:560px){.grid2{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:.2rem}
.field label{font-size:.875rem;color:var(--ink-2)}
input,select{font:inherit;font-size:1rem;padding:.45rem .5rem;min-height:44px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);width:100%}
input[type=range]{min-height:32px;padding:0}
.hint{font-size:.8125rem;color:var(--ink-2)}
.result{border:1px solid var(--line);border-left:4px solid var(--teal);background:var(--paper);padding:.9rem 1rem;margin-top:1rem}
.result .big{font-family:var(--serif);font-size:1.6rem;display:block;line-height:1.2}
.result .formula{font-family:var(--mono);font-size:.8125rem;color:var(--ink-2);overflow-x:auto;white-space:pre-wrap;word-break:break-word}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.8rem}
.calc>.hint{margin:1.6rem 0 0}
.calc>.hint a{display:inline-block;padding:.5rem 0;min-height:24px}
.nojs-tables{margin-top:1.5rem}
.calc-static[hidden]{display:none}
/* Ads */
.ad-slot{min-height:250px;margin:2rem 0}
@media (min-width:960px){.ad-slot{min-height:280px}}
/* Lead / product */
.lead,.product{border:1px solid var(--line);background:var(--card);padding:1rem;margin:1.8rem 0}
.lead h2,.product h2{font-size:1.15rem;margin:0 0 .4rem}
.disclosure{font-size:.8125rem;color:var(--ink-2)}
/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--card);margin-top:3rem;font-size:.875rem}
.site-footer .cols{max-width:72rem;margin:0 auto;padding:1.8rem 1rem;display:grid;gap:1.5rem}
@media (min-width:700px){.site-footer .cols{grid-template-columns:repeat(4,1fr)}}
.site-footer h2{font-size:.9375rem;font-family:var(--sans);text-transform:none;margin:0 0 .4rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:.25rem 0}
.site-footer .fine{max-width:72rem;margin:0 auto;padding:0 1rem 2rem;color:var(--ink-2)}
/* Search page */
#search-results li{margin:.7rem 0}
#search-results .u{color:var(--ink-2);font-size:.8125rem;display:block}
/* Print */
@media print{
  .site-header,.crumbs,.site-footer,.ad-slot,.lead,.product,.rail,.skip,.toc{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  .layout{display:block;padding:0}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:9pt;color:#555}
}