*,*::before,*::after{box-sizing:border-box}
:root{
  --void:#0D1012; --steel:#161A1D; --raised:#1E2429; --line:#2B3339;
  --brass:#C9A227; --brass-d:#8F7218; --walnut:#6B4A34;
  --bone:#E9E7E2; --muted:#8D979E; --ok:#6FA88A;
  --wrap:1180px; --rad:3px;
  --display:'Barlow Condensed',ui-sans-serif,system-ui,sans-serif;
  --body:'Source Serif 4',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--bone);
  font-family:var(--body);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brass);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.05;
  letter-spacing:.005em;margin:0}
h1{font-size:clamp(2.6rem,6.5vw,4.4rem);text-transform:uppercase}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);text-transform:uppercase}
h3{font-size:1.35rem}
p{margin:0 0 1.1em}
.lede{font-size:1.15rem;color:var(--muted);max-width:62ch}

/* eyebrow — encodes the section's role, not decoration */
.eyebrow{font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--walnut);margin:0 0 .9rem;display:block}
.eyebrow strong{color:var(--brass);font-weight:500}

/* ---- SIGNATURE: the spec strip -------------------------------------------
   A mono data rail set like a ballistics-table row. Every product and hub
   carries one. It is the site's memorable device and it is load-bearing:
   it is where the real numbers live. Prices are stated as CLASS BANDS, never
   as hard figures, because retail inventory and pricing rotate constantly. */
.spec{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:0 1.1rem;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:.6rem 0;margin:1.2rem 0}
.spec span{white-space:nowrap;padding:.15rem 0}
.spec span b{color:var(--bone);font-weight:500}
.spec span::before{content:"";display:inline-block;width:4px;height:4px;
  background:var(--brass);margin-right:.5rem;vertical-align:2px}
.spec--hero{border-color:var(--brass-d)}

/* ---- header -------------------------------------------------------------*/
.site-head{position:sticky;top:0;z-index:50;background:rgba(13,16,18,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:2rem;height:66px}
.brand{font-family:var(--display);font-weight:700;font-size:1.4rem;
  text-transform:uppercase;letter-spacing:.02em;color:var(--bone);
  display:flex;align-items:center;gap:.55rem}
.brand:hover{text-decoration:none}
.brand em{color:var(--brass);font-style:normal}
.brand svg{width:24px;height:24px;flex:none}
.nav{margin-left:auto;display:flex;gap:1.6rem;align-items:center}
.nav a{font-family:var(--display);font-size:1rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--muted)}
.nav a:hover,.nav a[aria-current=page]{color:var(--bone);text-decoration:none}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);
  color:var(--bone);border-radius:var(--rad);padding:.4rem .7rem;font-family:var(--mono);
  font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer}
@media(max-width:820px){
  .nav{position:fixed;inset:66px 0 auto;background:var(--steel);flex-direction:column;
    gap:0;padding:.5rem 0;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:.85rem 24px;width:100%;font-size:1.1rem}
  .nav-toggle{display:block}
}

/* ---- hero ---------------------------------------------------------------*/
.hero{padding:clamp(3.5rem,9vw,7rem) 0 3rem;border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 420px at 82% -8%,rgba(201,162,39,.14),transparent 70%),
    linear-gradient(180deg,var(--steel),var(--void))}
.hero h1{max-width:17ch}
.hero h1 em{font-style:normal;color:var(--brass)}
.hero .lede{margin-top:1.3rem;font-size:1.22rem}

/* ---- buttons ------------------------------------------------------------*/
.btn{display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--display);font-size:1.02rem;text-transform:uppercase;
  letter-spacing:.07em;padding:.72rem 1.35rem;border-radius:var(--rad);
  border:1px solid var(--line);color:var(--bone);background:var(--raised);
  transition:transform .12s ease,border-color .12s ease,background .12s ease}
.btn svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:2}
.btn:hover{text-decoration:none;transform:translateY(-1px);border-color:var(--brass-d)}
.btn-buy{background:linear-gradient(180deg,var(--brass),var(--brass-d));
  border-color:var(--brass);color:#14100A;font-weight:600}
.btn-buy:hover{background:linear-gradient(180deg,#DDB63A,var(--brass))}
.btn-block{width:100%;justify-content:center}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}

/* ---- sections + grids ---------------------------------------------------*/
.section{padding:clamp(3rem,6vw,4.75rem) 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:0}
.section-head{max-width:64ch;margin-bottom:2.2rem}
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(285px,1fr))}

.card{background:var(--raised);border:1px solid var(--line);border-radius:var(--rad);
  padding:1.4rem;display:flex;flex-direction:column;
  transition:border-color .14s ease,transform .14s ease}
.card:hover{border-color:var(--brass-d);transform:translateY(-2px)}
.card h3{margin-bottom:.5rem}
.card h3 a{color:var(--bone)}
.card h3 a:hover{color:var(--brass);text-decoration:none}
.card p{color:var(--muted);font-size:.96rem;margin-bottom:1rem}
.card .spec{margin:0 0 1.1rem;font-size:.65rem}
.card .btn{margin-top:auto}

/* product row — for hub pages with confirmed catalog data */
.prod{background:var(--raised);border:1px solid var(--line);border-radius:var(--rad);
  padding:1.5rem 1.6rem;margin-bottom:1rem}
.prod-top{display:flex;flex-wrap:wrap;gap:1rem;align-items:baseline}
.prod-top h3{flex:1 1 260px}
.band{font-family:var(--mono);font-size:.78rem;color:var(--brass);
  border:1px solid var(--brass-d);border-radius:var(--rad);padding:.22rem .6rem;
  white-space:nowrap}
.prod p{color:var(--muted);font-size:.98rem;margin:.9rem 0 0}
.prod .spec{margin:1.1rem 0}
.prod .btn{margin-top:.3rem}

/* buyer-guide checklist */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:.85rem}
.checks li{padding-left:1.7rem;position:relative;color:var(--muted);font-size:1rem}
.checks li::before{content:"";position:absolute;left:0;top:.62em;
  width:9px;height:2px;background:var(--brass)}
.checks li b{color:var(--bone);font-weight:600;font-family:var(--display);
  font-size:1.06rem;letter-spacing:.01em}

/* prose blocks */
.prose{max-width:70ch}
.prose h2{margin:2.4rem 0 1rem}
.prose h3{margin:1.9rem 0 .6rem}
.prose ul{padding-left:1.2rem;color:var(--muted)}
.prose li{margin-bottom:.5rem}

/* disclosure */
.disclosure{background:var(--steel);border:1px solid var(--line);
  border-left:2px solid var(--brass);border-radius:var(--rad);
  padding:1rem 1.2rem;font-size:.92rem;color:var(--muted);margin:0 0 2rem}
.disclosure b{color:var(--bone)}

/* forms */
.field{margin-bottom:1.1rem;display:block}
.field span{display:block;font-family:var(--mono);font-size:.7rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.45rem}
.field input,.field textarea,.field select{width:100%;background:var(--steel);
  border:1px solid var(--line);border-radius:var(--rad);color:var(--bone);
  padding:.75rem .85rem;font-family:var(--body);font-size:1rem}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--brass-d);outline:none}

/* footer */
.site-foot{background:var(--steel);border-top:1px solid var(--line);
  padding:3rem 0 2.2rem;margin-top:0;position:relative}
.foot-grid{display:grid;gap:2rem;grid-template-columns:1.6fr 1fr 1fr 1fr}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:.9rem}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:.5rem}
.foot-grid a{color:var(--muted);font-size:.95rem}
.foot-grid a:hover{color:var(--bone)}
.foot-bottom{border-top:1px solid var(--line);margin-top:2.4rem;padding-top:1.4rem;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:.8rem 1.6rem;justify-content:space-between}

/* 404 */
.err{text-align:center;padding:clamp(4rem,12vw,8rem) 0}
.err .code{font-family:var(--mono);font-size:clamp(4rem,16vw,9rem);color:var(--brass);
  line-height:1;letter-spacing:-.02em}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card:hover,.btn:hover{transform:none}
}