:root{
  --fg:#1a2330;
  --muted:#5a6572;
  --bg:#ffffff;
  --soft:#f5f7fa;
  --line:#d8dee6;
  --accent:#1a6b8a;
  --accent-dark:#134f66;
  --warm:#f0f7fa;
  --cta:#c45c26;
  --cta-dark:#9e481c;
  --max:46rem;
  --wide:68rem;
}
*{box-sizing:border-box}
html{font-size:100%;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  color:var(--fg);
  background:var(--bg);
}
a{color:var(--accent)}
a:hover{color:var(--accent-dark)}
a:focus,button:focus{outline:3px solid #e8b84a;outline-offset:2px}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:10;border:2px solid var(--accent)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.1rem}
.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 1.1rem}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
.site-header .wrap-wide{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.75rem 1.5rem;padding-top:.65rem;padding-bottom:.65rem;
}
.logo{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--fg);font-weight:700;font-size:1.1rem}
.logo img{height:40px;width:auto;display:block}
.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.15rem .9rem}
.nav a{text-decoration:none;padding:.2rem 0;display:inline-block;font-size:.95rem;color:var(--fg)}
.nav a[aria-current="page"]{font-weight:700;color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.subnav{background:var(--warm);border-bottom:1px solid var(--line)}
.subnav ul{list-style:none;margin:0;padding:.45rem 0;display:flex;flex-wrap:wrap;gap:.15rem 1rem}
.subnav a{text-decoration:none;font-size:.9rem;color:var(--fg)}
.subnav a[aria-current="page"]{font-weight:700;color:var(--accent)}
main{padding:1.4rem 0 3rem}
h1{font-size:clamp(1.65rem,3vw,2.15rem);line-height:1.2;margin:.4rem 0 1rem}
h2{font-size:1.35rem;line-height:1.3;margin:2rem 0 .55rem}
h3{font-size:1.08rem;margin:1.4rem 0 .35rem}
.lead{font-size:1.12rem;color:var(--muted);margin:0 0 1.25rem}
.breadcrumb{font-size:.88rem;color:var(--muted);margin:0 0 1rem}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:.35rem;color:var(--muted)}
.note{background:var(--soft);border-left:4px solid var(--accent);padding:.85rem 1rem;margin:1.2rem 0}
.aff-box{
  background:var(--warm);border:1px solid var(--line);border-radius:8px;
  padding:1rem 1.15rem;margin:1.5rem 0;
}
.aff-box .aff-label{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 .4rem}
.btn{
  display:inline-block;margin-top:.55rem;padding:.65rem 1.15rem;font:inherit;font-weight:700;
  color:#fff;background:var(--cta);border:0;border-radius:6px;text-decoration:none;
}
.btn:hover{background:var(--cta-dark);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.25rem 0}
.product-card{
  border:1px solid var(--line);border-radius:8px;padding:1rem;background:#fff;
  display:flex;flex-direction:column;gap:.5rem;
}
.product-card img{width:100%;max-height:180px;object-fit:contain;background:var(--soft);border-radius:4px}
.product-card h3{margin:.25rem 0}
.small{font-size:.9rem;color:var(--muted)}
.checklist{margin:1rem 0;padding-left:1.2rem}
.checklist li{margin:.4rem 0}
.compare{overflow-x:auto;margin:1rem 0}
.compare table{border-collapse:collapse;width:100%;font-size:.95rem}
.compare th,.compare td{border-bottom:1px solid var(--line);padding:.55rem .6rem;text-align:left;vertical-align:top}
.compare th{background:var(--soft)}
figure{margin:1.5rem 0}
figcaption{font-size:.9rem;color:var(--muted)}
img{max-width:100%;height:auto}
.related{margin:2rem 0 0;padding:1rem 0 0;border-top:1px solid var(--line)}
.related ul{padding-left:1.2rem}
.related li{margin:.35rem 0}
.site-footer{border-top:1px solid var(--line);padding:1.75rem 0;font-size:.9rem;color:var(--muted);background:var(--soft)}
.site-footer ul{list-style:none;padding:0;margin:.6rem 0;display:flex;flex-wrap:wrap;gap:.25rem 1rem}
.site-footer a{color:var(--fg)}
.site-footer .legal{margin-top:1rem}
@media (max-width:640px){
  .nav ul{gap:.1rem .65rem}
  .logo span{font-size:1rem}
}