/* Iron & Echo — shared styles */
:root{
  --ink:#0a0a0b;
  --char:#141417;
  --char2:#1c1c20;
  --line:#2a2a30;
  --silver:#c9ccd1;
  --silver-bright:#e8eaed;
  --pewter:#8a8d94;
  --muted:#6f7178;
  --gold:#b7a98c; /* subtle warm metal for hovers */
  --maxw:1240px;
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--silver);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;color:var(--silver-bright);letter-spacing:.01em;margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{font-family:var(--sans);font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--pewter);font-weight:500}

/* ---- top light atmosphere ---- */
.atmos{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(120% 60% at 50% -10%, rgba(150,156,168,.10), transparent 60%);}

/* ---- nav ---- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.72);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 32px;display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.brand img{height:44px;width:auto;transition:filter .35s}
.brand .bt{font-family:var(--serif);font-size:21px;font-weight:500;letter-spacing:.22em;color:var(--silver-bright);text-transform:uppercase;line-height:1;white-space:nowrap}
.brand-rule{width:1px;height:28px;background:linear-gradient(transparent,#4a4a52,transparent)}
.brand:hover img{filter:drop-shadow(0 0 10px rgba(200,205,215,.28))}
.brand:hover .bt{color:#fff}
.brand:focus-visible{outline:1px solid var(--pewter);outline-offset:6px}
.nav-links{display:flex;gap:30px;margin-left:auto;align-items:center}
.nav-links a{font-size:13.5px;letter-spacing:.06em;color:var(--silver);position:relative;padding:6px 0;transition:color .25s}
.nav-links a:hover{color:var(--silver-bright)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:linear-gradient(90deg,var(--pewter),transparent);transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-cta{border:1px solid var(--line);padding:9px 20px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--silver-bright);transition:.3s;background:linear-gradient(180deg,#1d1d21,#121215)}
.nav-cta:hover{border-color:var(--pewter);box-shadow:0 0 24px rgba(160,165,178,.12)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--silver);width:42px;height:38px;font-size:18px;cursor:pointer}

/* ---- buttons ---- */
.btn{display:inline-block;padding:14px 30px;font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  border:1px solid var(--pewter);color:var(--silver-bright);transition:.3s;cursor:pointer;
  background:linear-gradient(180deg,rgba(40,40,46,.6),rgba(16,16,19,.6))}
.btn:hover{border-color:var(--silver);box-shadow:0 0 30px rgba(160,165,178,.14);transform:translateY(-1px)}
.btn-solid{background:linear-gradient(180deg,#d7dade,#a9adb4);color:#0c0c0e;border-color:#d7dade;font-weight:600}
.btn-solid:hover{box-shadow:0 0 34px rgba(200,205,214,.3)}

/* ---- engraved frame motif ---- */
.frame{position:relative;border:1px solid var(--line)}
.frame::before{content:"";position:absolute;inset:7px;border:1px solid rgba(140,145,156,.16);pointer-events:none}

/* ---- footer ---- */
footer{position:relative;z-index:1;border-top:1px solid var(--line);margin-top:0;background:var(--char)}
.foot{max-width:var(--maxw);margin:0 auto;padding:64px 32px 30px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot h4{font-family:var(--sans);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--pewter);margin-bottom:18px;font-weight:600}
.foot a{display:block;font-size:14px;color:var(--silver);padding:5px 0;transition:color .2s}
.foot a:hover{color:var(--silver-bright)}
.foot-brand img{height:84px;width:auto;margin-bottom:18px}
.foot-brand p{font-size:13.5px;color:var(--muted);max-width:280px;line-height:1.7}
.foot-bottom{border-top:1px solid var(--line);margin-top:20px}
.foot-bottom .wrap{padding:22px 32px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);letter-spacing:.04em}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--char);border-bottom:1px solid var(--line);padding:8px 0}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 32px;border-top:1px solid var(--line)}
  .nav-links .nav-cta{margin:12px 32px;text-align:center}
  .menu-btn{display:block}
  .foot{grid-template-columns:1fr 1fr}
  .wrap{padding:0 22px}
}
@media(max-width:560px){.foot{grid-template-columns:1fr}}

@media(max-width:560px){.brand{gap:10px}.brand img{height:38px}.brand .bt{font-size:16px;letter-spacing:.16em}}
@media(max-width:340px){.brand-rule,.brand .bt{display:none}}