/* Gigabytes Soft Limited: charcoal ground, burnt orange-red action colour, amber detail.
   Fonts are served from this site (no Google request), see /privacy. */
@font-face{font-family:"Bricolage Grotesque";font-weight:500;font-display:swap;src:url(/fonts/bricolage-grotesque-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Bricolage Grotesque";font-weight:700;font-display:swap;src:url(/fonts/bricolage-grotesque-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-display:swap;src:url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}

:root{
  --bg:#F6F4F2; --surface:#FFFFFF; --ink:#1C1B1A; --muted:#4A4643; --faint:#67615C;
  --line:#DEDAD5; --accent:#C2410C; --accent-dark:#9A3412; --amber:#F2A65A;
  --tag-bg:#FBF1DA; --tag-ink:#6B4A06; --ok:#1D6B4F;
  --on-dark:#EFEBE7; --on-dark-muted:#C6BEB7;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
img{max-width:100%}
a{color:var(--accent-dark)}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:10}
.skip:focus{left:8px}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg)}
.site-header .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;align-items:center;justify-content:space-between;padding-block:18px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand span{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-0.01em}
.nav{display:flex;flex-wrap:wrap;gap:4px 24px;font-size:16px;font-weight:500}
.nav a{color:var(--ink);text-decoration:none;padding:8px 0;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--line)}
.nav a[aria-current="page"]{border-bottom-color:var(--accent)}
.nav a.nav-cta{color:var(--accent-dark)}

/* Type */
.eyebrow{font-family:var(--mono);font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-dark)}
.h1{font-family:var(--display);font-weight:700;font-size:clamp(38px,6vw,66px);line-height:1.04;letter-spacing:-0.025em}
.h2{font-family:var(--display);font-weight:700;font-size:clamp(28px,4vw,42px);line-height:1.1;letter-spacing:-0.02em}
.h3{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:-0.01em}
.lead{font-size:19px;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}
.prose{max-width:66ch;display:flex;flex-direction:column;gap:16px;color:var(--muted)}
.prose h2{color:var(--ink);font-size:22px;font-weight:600;font-family:var(--body);margin-top:16px}
.prose ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}

/* Sections */
.section{padding-block:80px}
.section.tight{padding-block:56px}
.band-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-dark{background:var(--ink);color:var(--on-dark)}
.band-dark .h2,.band-dark h3{color:#fff}
.band-dark p{color:var(--on-dark-muted)}
.stack{display:flex;flex-direction:column;gap:16px}
.stack-lg{display:flex;flex-direction:column;gap:40px}
.split{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.split > .main{flex:999 1 520px;min-width:0}
.split > .side{flex:1 1 320px;min-width:0}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:32px}

/* Buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;padding-top:8px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;border-radius:6px;font-weight:600;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.band-dark .btn-ghost{border-color:#fff;color:#fff}

/* Cards and lists */
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:32px;display:flex;flex-direction:column;gap:16px}
.card-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:13px;padding:4px 10px;background:var(--tag-bg);color:var(--tag-ink);border-radius:4px;white-space:nowrap}
.ticks{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.rule-item{display:flex;flex-direction:column;gap:10px;border-top:2px solid var(--ink);padding-top:20px}
.rule-item h3{font-size:20px;font-weight:600}
.steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:32px}
.steps li{display:flex;flex-direction:column;gap:10px}
.step-no{font-family:var(--mono);color:var(--amber);font-size:15px}
.band-white .step-no,.section:not(.band-dark) .step-no{color:var(--accent-dark)}
.steps h3{font-size:21px}
.more{font-weight:600;text-decoration:none}
.more::after{content:" →"}

/* Example check panel */
.panel{background:var(--ink);color:var(--on-dark);border-radius:10px;padding:28px;font-family:var(--mono);font-size:14px;line-height:1.7;display:flex;flex-direction:column;gap:14px}
.panel .row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.panel .row b{color:#fff;font-weight:500}
.panel .label{color:var(--on-dark-muted)}
.panel .result{margin-top:6px;padding:12px 14px;background:var(--ok);color:#fff;border-radius:6px;font-family:var(--body);font-size:15px;font-weight:600}
.panel .note{color:var(--on-dark-muted);font-size:12px}

/* Facts table */
.facts{margin:0;display:grid;grid-template-columns:max-content minmax(0,1fr);gap:14px 24px;align-content:start}
.facts dt{font-family:var(--mono);font-size:14px;color:var(--faint);padding-top:2px}
.facts dd{margin:0;font-weight:500;overflow-wrap:anywhere}

/* CTA band */
.cta .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}

/* Footer */
.site-footer{border-top:1px solid var(--line);font-size:14px;color:var(--faint)}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:24px 48px;justify-content:space-between;padding-block:40px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.site-footer a{color:var(--faint)}
.site-footer a:hover{color:var(--ink)}
.legal{display:flex;flex-direction:column;gap:4px;max-width:60ch}