/* ============================================================
   BAU sticky nav - shared across homepage, /welcome/, /discover/*
   Self-contained: defines its own brand-color tokens so the nav
   never depends on the host page's CSS.
   ============================================================ */
.bau-nav {
  --bn-gold: #b5a281;
  --bn-pink: #ef1284;
  --bn-cream: #e7ded9;
  --bn-charcoal: #201e1d;

  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.6rem 2rem;
  background: transparent;
  transition: padding 0.3s ease, background 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
  font-family: 'Inter', sans-serif;
}
.bau-nav.is-scrolled {
  padding: 0.85rem 2rem;
  background: rgba(32, 30, 29, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(181, 162, 129, 0.18);
}
/* When dropped onto a non-hero page (white/charcoal page top, no parallax hero),
   force the scrolled look immediately so the nav reads against the canvas. */
.bau-nav.bau-nav-solid:not(.is-scrolled) {
  background: rgba(32, 30, 29, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(181, 162, 129, 0.18);
}
/* Sub-pages without a full-bleed hero need top padding to clear the fixed nav */
.bau-nav.bau-nav-solid ~ main { padding-top: 80px; }

.bau-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.bau-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--bn-gold);
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  transition: font-size 0.3s ease;
}
.bau-nav-brand img {
  width: 38px;
  height: 38px;
  transition: width 0.3s ease, height 0.3s ease;
}
.bau-nav.is-scrolled .bau-nav-brand img,
.bau-nav.bau-nav-solid .bau-nav-brand img { width: 30px; height: 30px; }
.bau-nav.is-scrolled .bau-nav-brand,
.bau-nav.bau-nav-solid .bau-nav-brand { font-size: 1rem; }

.bau-nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.bau-nav-link {
  position: relative;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bn-cream);
  text-decoration: none;
  padding: 0.4rem 0;
  transition: color 0.25s ease;
}
.bau-nav-link:hover { color: var(--bn-pink); }
.bau-nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--bn-pink);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}
.bau-nav-link.is-active::after,
.bau-nav-link:hover::after { transform: scaleX(1); }
.bau-nav-link.is-cta {
  color: var(--bn-pink);
  border: 1px solid var(--bn-pink);
  padding: 0.45rem 1rem;
}
.bau-nav-link.is-cta:hover { background: var(--bn-pink); color: #fff; }
.bau-nav-link.is-cta::after { display: none; }

.bau-nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid rgba(181, 162, 129, 0.4);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.bau-nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--bn-gold);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
body.nav-open .bau-nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .bau-nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .bau-nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.bau-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #b5a281;
  color: #201e1d;
  padding: 0.6rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  z-index: 110;
}
.bau-skip:focus { left: 1rem; top: 1rem; }

@media (max-width: 760px) {
  .bau-nav-menu {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    background: rgba(32, 30, 29, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  body.nav-open .bau-nav-menu {
    opacity: 1;
    pointer-events: auto;
  }
  .bau-nav-link {
    font-size: 1.1rem;
    letter-spacing: 0.22em;
  }
  .bau-nav-toggle { display: inline-flex; z-index: 101; }
}