/* LuxiEdge shared navigation — single source for the site-wide menu.
   Loaded by every page (both site.css pages and Tailwind pages). */
:root {
  --nav-border: #e5e7eb;
  --nav-text: #111827;
  --nav-faint: #6b7280;
  --nav-accent: #059669;
  --nav-btn-bg: #111827;
  --nav-btn-fg: #ffffff;
  --nav-btn-hover: #374151;
  --nav-card: #ffffff;
  --nav-subtle: #f9fafb;
  --nav-display: "Space Grotesk", "Inter", system-ui, sans-serif;
}

.site-header {
  border-bottom: 1px solid var(--nav-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--nav-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--nav-text);
  font-size: 1.3rem;
  text-decoration: none !important;
}
.brand span { color: var(--nav-accent); }
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--nav-faint);
  font-size: 0.85rem;
  text-decoration: none !important;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--nav-text); }
.nav-links .cta-nav {
  background: var(--nav-btn-bg);
  color: var(--nav-btn-fg) !important;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
}
.nav-links .cta-nav:hover { background: var(--nav-btn-hover); }

/* Resources dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: " ▾"; font-size: 0.68em; opacity: 0.7; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: var(--nav-card);
  border: 1px solid var(--nav-border);
  border-radius: 8px;
  min-width: 170px;
  padding: 0.4rem 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  z-index: 200;
  list-style: none;
  margin: 0;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown.esc-closed .nav-dropdown-menu { display: none; }
.nav-dropdown-menu li a {
  display: block;
  padding: 0.38rem 1rem;
  color: var(--nav-faint) !important;
  font-size: 0.85rem;
  text-decoration: none !important;
  white-space: nowrap;
}
.nav-dropdown-menu li a:hover { color: var(--nav-text) !important; background: var(--nav-subtle); }

/* Mobile menu toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--nav-border);
  border-radius: 8px;
  padding: 0.55rem 0.6rem;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 44px;
  min-height: 40px;
}
.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 1px;
  background: var(--nav-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.35rem 0 0.85rem;
  }
  .nav.nav-open .nav-links { display: flex; }
  .nav-links > li > a {
    display: block;
    padding: 0.7rem 0.25rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--nav-border);
  }
  .nav-links > li:last-child > a { border-bottom: none; }
  .nav-links .cta-nav {
    display: block;
    text-align: center;
    margin-top: 0.75rem;
    padding: 0.7rem 0.85rem;
    font-size: 1rem;
    border-bottom: none;
  }
  /* Resources sub-items shown inline, always expanded */
  .nav-dropdown > a::after { content: ""; }
  .nav-dropdown-menu {
    display: block;
    position: static;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    min-width: 0;
    padding: 0 0 0.25rem;
  }
  .nav-dropdown-menu li a {
    padding: 0.55rem 0.25rem 0.55rem 1.25rem;
    font-size: 0.95rem;
    white-space: normal;
  }
  .nav-dropdown-menu li a:hover { background: transparent; }
}