/* ============================================================
   Site chrome — matches natomind.com (nav + footer)
   Appended after styles.css; element+class selectors win.
   ============================================================ */

/* ---------- tier 1: site navigation ---------- */
.site-top{background:#fff;border-bottom:1px solid var(--hair)}
.site-top .site-top-inner{
  max-width:var(--max);margin:0 auto;padding:0 28px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.site-top .site-logo{display:flex;align-items:center;text-decoration:none}
.site-top .site-logo img{height:44px;width:auto;display:block}
.site-top .site-nav{display:flex;align-items:center;gap:28px}
.site-top .site-nav a{
  font-size:14px;font-weight:400;color:#525252;text-decoration:none;
  transition:color .25s;white-space:nowrap;
}
.site-top .site-nav a:hover{color:#0a0a0a}
.site-top .site-nav a[aria-current="page"]{color:#0a0a0a;font-weight:600}

/* ---------- tier 2: briefing sub-nav (sticky) ---------- */
.masthead .inner{padding:10px 28px}

/* ---------- footer ---------- */
footer.site-foot{
  border-top:1px solid var(--hair);background:#FAFAF8;
  margin-top:96px;padding:52px 0 36px;
}
footer.site-foot .inner{
  max-width:var(--max);margin:0 auto;padding:0 28px;display:block;
}
footer.site-foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
footer.site-foot .f-mark{display:flex;align-items:center;gap:10px;margin-bottom:14px}
footer.site-foot .f-mark img{height:22px;width:auto;display:block}
footer.site-foot .f-mark span{font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--ink)}
footer.site-foot .f-line{font-size:13px;color:var(--ink2);max-width:26em;margin:0;line-height:1.6}
footer.site-foot h5{
  font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:#8a8c85;margin:0 0 13px;
}
footer.site-foot ul{list-style:none;margin:0;padding:0}
footer.site-foot li{margin-bottom:8px}
footer.site-foot a{font-size:13.5px;color:var(--ink2);text-decoration:none;transition:color .25s}
footer.site-foot a:hover{color:var(--ink)}
footer.site-foot .f-note{font-size:12px;color:#8a8c85;margin:12px 0 0;max-width:22em;line-height:1.55}
footer.site-foot .base{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid var(--hair);margin-top:42px;padding-top:20px;
  font-size:12px;color:#8a8c85;
}

/* ---------- mobile ---------- */
@media(max-width:760px){
  .site-top .site-top-inner{padding:0 18px;height:58px;gap:10px}
  .site-top .site-logo img{height:36px}
  .site-top .site-nav{gap:14px}
  .site-top .site-nav a{font-size:12.5px}
  .masthead .inner{padding:9px 18px;gap:10px}
  footer.site-foot{margin-top:64px;padding:40px 0 28px}
  footer.site-foot .inner{padding:0 18px}
  footer.site-foot .cols{grid-template-columns:1fr;gap:28px}
  footer.site-foot .base{margin-top:30px}
}
@media(max-width:420px){
  .site-top .site-nav{gap:11px}
  .site-top .site-nav a{font-size:11.5px}
  .site-top .site-logo img{height:32px}
}