/* Built to RUN shared header and footer.
   Selectors are qualified (nav.btr-nav, footer.btr-footer) so they win over the
   generic nav/footer rules that some page stylesheets still carry. */
:root {
  --btr-navy-deep: #0a1a2e;
  --btr-cream:     #faf8f3;
  --btr-orange:    #ff8801;
  --btr-black:     #090909;
  --btr-ink-mid:   #4a5a6e;
  --btr-line:      #e6e1d6;
  --btr-orange-ink:#a84e00;
  --btr-nav-h:     64px;
}
html { scroll-padding-top: calc(var(--btr-nav-h) + 12px); }
body.btr-offset { padding-top: var(--btr-nav-h); }

/* HEADER */
nav.btr-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: block; height: auto; margin: 0; padding: 0;
  background: rgba(250,248,243,0.97); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 0; border-bottom: 1px solid var(--btr-line); box-shadow: none;
  font-family: 'DM Sans', system-ui, sans-serif; line-height: 1.6;
}
nav.btr-nav .btr-nav-inner { max-width: 1180px; margin: 0 auto; padding: 0 24px; height: var(--btr-nav-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
nav.btr-nav .btr-nav-logo { display: block; flex-shrink: 0; }
nav.btr-nav .btr-nav-logo img { height: 40px; width: auto; display: block; }
nav.btr-nav .btr-nav-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
nav.btr-nav .btr-nav-links li { margin: 0; padding: 0; }
nav.btr-nav .btr-nav-links a { text-decoration: none; font-size: 14px; font-weight: 500; color: var(--btr-ink-mid); white-space: nowrap; }
nav.btr-nav .btr-nav-links a:hover { color: var(--btr-orange-ink); }
nav.btr-nav .btr-nav-links a[aria-current="page"] { color: var(--btr-black); font-weight: 700; }
nav.btr-nav .btr-nav-right { display: flex; align-items: center; gap: 12px; }
nav.btr-nav .btr-nav-cta { background: var(--btr-black); color: #fff; text-decoration: none; padding: 9px 18px; border-radius: 6px; font-size: 14px; font-weight: 600; white-space: nowrap; }
nav.btr-nav .btr-nav-cta:hover { background: var(--btr-orange); color: var(--btr-black); }
nav.btr-nav .btr-nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
nav.btr-nav .btr-nav-burger span { display: block; width: 22px; height: 2px; background: var(--btr-black); margin: 4px 0; }

/* FOOTER */
footer.btr-footer { background: var(--btr-navy-deep); color: rgba(255,255,255,0.6); padding: 56px 0 32px; margin: 0; border: 0; text-align: left; font-family: 'DM Sans', system-ui, sans-serif; line-height: 1.6; }
footer.btr-footer .btr-wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
footer.btr-footer .btr-foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
footer.btr-footer .btr-foot-brand img { height: 48px; width: auto; margin-bottom: 14px; display: block; }
footer.btr-footer p { font-size: 13px; max-width: 280px; color: rgba(255,255,255,0.6); margin: 0; }
footer.btr-footer h5 { font-family: 'Archivo', system-ui, sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.45); margin: 0 0 12px; }
footer.btr-footer a { display: block; margin: 0; text-decoration: none; font-size: 14px; color: rgba(255,255,255,0.7); padding: 3px 0; }
footer.btr-footer a:hover { color: var(--btr-orange); }
footer.btr-footer .btr-foot-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 22px; font-size: 12px; color: rgba(255,255,255,0.5); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

nav.btr-nav :focus-visible, footer.btr-footer :focus-visible { outline: 3px solid var(--btr-orange); outline-offset: 2px; }

@media (max-width: 1080px) {
  nav.btr-nav .btr-nav-links { display: none; }
  nav.btr-nav .btr-nav-links.open { display: flex; flex-direction: column; gap: 0; position: absolute; top: var(--btr-nav-h); left: 0; right: 0; background: var(--btr-cream); border-bottom: 1px solid var(--btr-line); padding: 8px 16px 16px; }
  nav.btr-nav .btr-nav-links.open a { display: block; padding: 12px 0; border-bottom: 1px solid var(--btr-line); font-size: 16px; }
  nav.btr-nav .btr-nav-burger { display: block; }
}
@media (max-width: 960px) {
  footer.btr-footer .btr-foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  nav.btr-nav .btr-nav-inner, footer.btr-footer .btr-wrap { padding: 0 16px; }
  nav.btr-nav .btr-nav-cta { padding: 8px 12px; font-size: 13px; }
  nav.btr-nav .btr-nav-logo img { height: 34px; }
  footer.btr-footer .btr-foot-grid { grid-template-columns: 1fr; }
}