/* Xenors forklift safety lights article - plain CSS, no frameworks */
:root{
  --navy:#0f1b33;--ink:#1b2a45;--muted:#55657f;--blue:#1d5fdc;--blue-dark:#164bb3;--blue-soft:#eaf1ff;
  --line:#dce3ee;--bg:#ffffff;--panel:#f6f8fb;--amber:#f2b100;--amber-soft:#fff8e1;
  --serif:Charter,"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --header-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 16px)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.7;
  padding-left:env(safe-area-inset-left,0);padding-right:env(safe-area-inset-right,0);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:.15em}
a:hover{color:var(--blue-dark)}
:focus-visible{outline:3px solid #7aa7ff;outline-offset:2px;border-radius:3px}
.wrap{width:100%;max-width:960px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 14px;border-radius:6px;z-index:100}
.skip-link:focus{left:12px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);
  padding-top:env(safe-area-inset-top,0)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:var(--header-h);flex-wrap:wrap}
.brand{font-family:var(--serif);font-weight:700;font-size:1.4rem;color:var(--navy);text-decoration:none;letter-spacing:-.01em}
.site-nav{display:flex;flex-wrap:wrap;gap:2px 4px}
.site-nav a{color:var(--ink);text-decoration:none;font-size:.95rem;font-weight:500;padding:8px 10px;border-radius:6px}
.site-nav a:hover{background:var(--blue-soft);color:var(--blue-dark)}
.site-nav a[aria-current="page"]{color:var(--blue-dark);background:var(--blue-soft)}
.nav-toggle{display:none;font:inherit;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);
  border-radius:8px;min-height:44px;padding:0 16px;cursor:pointer}
@media (max-width:820px){
  .js .nav-toggle{display:inline-flex;align-items:center}
  .js .site-nav{display:none;width:100%;flex-direction:column;padding:4px 0 12px}
  .js .site-nav.open{display:flex}
  .js .site-nav a{padding:12px 8px;font-size:1rem;border-top:1px solid var(--line);border-radius:0}
}

/* breadcrumb */
.breadcrumb{padding:18px 0 0;font-size:.9rem;color:var(--muted)}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 0}
.breadcrumb li+li::before{content:"/";margin:0 8px;color:#9aa8bf}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--blue-dark);text-decoration:underline}

/* article header */
.article{max-width:880px;margin:0 auto;padding-bottom:56px}
.article-header{padding:22px 0 8px}
h1{font-family:var(--serif);font-size:clamp(1.95rem,5.2vw,3rem);line-height:1.14;letter-spacing:-.02em;color:var(--navy);margin:0 0 14px}
.byline{margin:0;color:var(--muted);font-size:.93rem;display:flex;flex-wrap:wrap;gap:4px 18px}
.byline a{color:var(--ink);font-weight:600}
.hero-figure{margin:22px 0 28px}
figure{margin:28px 0}
figure img{width:100%;border-radius:12px;border:1px solid var(--line);background:var(--panel)}
figcaption{margin-top:10px;font-size:.88rem;color:var(--muted);line-height:1.5}

/* toc */
.toc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:0 0 34px}
.toc-title{margin:0 0 8px;font-weight:700;color:var(--navy);font-size:1rem}
.toc ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:2px 20px}
.toc a{display:block;padding:7px 0;color:var(--ink);text-decoration:none;font-weight:500;font-size:.97rem;border-bottom:1px solid transparent}
.toc a:hover,.toc a.active{color:var(--blue-dark);border-bottom-color:var(--blue)}

/* prose */
.prose{max-width:760px}
.prose p{margin:0 0 1.15em}
.prose .lead{font-size:1.2rem;line-height:1.65;color:var(--navy)}
.prose h2{font-family:var(--serif);font-size:clamp(1.55rem,3.8vw,2.05rem);line-height:1.22;letter-spacing:-.015em;color:var(--navy);
  margin:2.6em 0 .7em;padding-top:1.1em;border-top:2px solid var(--navy)}
.prose h3{font-family:var(--serif);font-size:clamp(1.25rem,3vw,1.5rem);line-height:1.3;color:var(--navy);margin:1.9em 0 .55em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.25em}
.prose li{margin:.5em 0;padding-left:.2em}
.prose li::marker{color:var(--blue)}
.prose strong{color:var(--navy)}
.answer{background:var(--blue-soft);border-left:4px solid var(--blue);border-radius:0 10px 10px 0;padding:14px 18px;margin:0 0 1.3em}
.answer strong{font-weight:600;color:var(--navy)}
.answer{margin-bottom:1.3em!important}
.note{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:0 0 1.6em;font-size:.97rem}
.note p{margin:0}
.note-warn{background:var(--amber-soft);border-color:#f0d27a;border-left:5px solid var(--amber);margin-top:1.4em}
.note-warn p{margin:0}

/* checklist & steps */
.checklist{list-style:none;padding-left:0!important}
.checklist li{position:relative;padding:12px 14px 12px 44px;margin:8px 0;border:1px solid var(--line);border-radius:10px;background:#fff}
.checklist li::before{content:"";position:absolute;left:16px;top:20px;width:14px;height:8px;border-left:3px solid var(--blue);border-bottom:3px solid var(--blue);transform:rotate(-45deg)}
.steps{list-style:none;counter-reset:step;padding-left:0!important}
.steps li{counter-increment:step;position:relative;padding:4px 0 4px 52px;margin:14px 0;min-height:40px}
.steps li::before{content:counter(step);position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;
  font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.95rem}

/* table */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;margin:0 0 1.6em;background:#fff}
.table-wrap:focus-visible{outline-offset:0}
table{border-collapse:collapse;width:100%;min-width:680px;font-size:.95rem;line-height:1.5}
caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--navy);color:#fff;font-weight:600;position:sticky;top:0}
tbody th{background:var(--panel);color:var(--navy);white-space:nowrap}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}

/* cta */
.cta-box{background:var(--navy);color:#fff;border-radius:14px;padding:26px 26px 22px;margin:1.8em 0}
.cta-box p{margin:0 0 .8em;color:#d9e3f5}
.cta-box .cta-title{font-family:var(--serif);font-size:1.4rem;line-height:1.25;color:#fff;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 24px;background:var(--blue);color:#fff!important;
  font-weight:700;text-decoration:none;border-radius:10px;text-align:center;line-height:1.3;border:2px solid #fff}
.btn:hover{background:var(--blue-dark)}
.cta-box .cta-note{font-size:.85rem;color:#aebbd3;margin:.6em 0 0}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:12px;padding:6px 20px 4px;margin:0 0 12px;background:#fff}
.faq-item h3{margin:.9em 0 .4em;font-size:1.15rem}
.faq-item p{margin:0 0 1em}

.sources li{margin:.5em 0;font-size:.97rem;word-break:break-word}
.small{font-size:.88rem;color:var(--muted)}

/* footer */
.site-footer{background:var(--navy);color:#c9d5ea;padding:40px 0 calc(32px + env(safe-area-inset-bottom,0));margin-top:20px}
.site-footer .brand{color:#fff}
.site-footer p{margin:0 0 .8em;font-size:.95rem}
.site-footer a{color:#c9d5ea}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.site-footer .small{color:#92a3c0}

/* mobile */
@media (max-width:640px){
  body{font-size:1.02rem}
  .wrap{padding:0 16px}
  .prose .lead{font-size:1.1rem}
  .toc{padding:14px 16px}
  .toc ol{grid-template-columns:1fr 1fr}
  .cta-box{padding:20px 18px}
  .btn{width:100%}
  .faq-item{padding:4px 16px 2px}
  .checklist li{padding-left:42px}
  th,td{padding:10px 12px}
}
@media print{.site-header,.nav-toggle,.skip-link{display:none}.cta-box{border:1px solid #000;background:#fff;color:#000}}

.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:0 0 1.4em}
.facts div{border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:var(--panel)}
.facts dt{font-size:.85rem;color:var(--muted);font-weight:600}
.facts dd{margin:2px 0 0;color:var(--navy);font-weight:600}