/* ─────────────────────────────────────────────────────────────
   FEI mobile navigation — hamburger button + slide-down panel
   Shows below 961px, hidden on desktop (where .nav-links is visible).
   Paired with nav-menu.js for open/close behavior.
   ─────────────────────────────────────────────────────────── */

/* The hamburger button — hidden by default, shown on narrow screens */
.nav-menu-btn {
  display: none;
  position: relative;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  z-index: 1001;
}
.nav-menu-btn:focus-visible {
  outline: 2px solid #c9a455;
  outline-offset: 4px;
}
.nav-menu-btn .bar {
  position: absolute;
  left: 6px;
  right: 6px;
  height: 1px;
  background: currentColor;
  transition: transform .25s ease, opacity .25s ease, top .25s ease;
}
.nav-menu-btn .bar:nth-child(1) { top: 11px; }
.nav-menu-btn .bar:nth-child(2) { top: 16px; }
.nav-menu-btn .bar:nth-child(3) { top: 21px; }
.nav-menu-btn[aria-expanded="true"] .bar:nth-child(1) { top: 16px; transform: rotate(45deg); }
.nav-menu-btn[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-menu-btn[aria-expanded="true"] .bar:nth-child(3) { top: 16px; transform: rotate(-45deg); }

/* When the nav sits over a dark hero (no .nav-scrolled), the button is cream */
nav:not(.nav-scrolled) .nav-menu-btn { color: rgba(249,245,238,.9); }
nav.nav-scrolled .nav-menu-btn { color: #1b3a2f; }
/* When the panel is open, force dark icon (since panel bg is dark green) */
.nav-menu-btn[aria-expanded="true"] { color: rgba(249,245,238,.95) !important; }

/* The full-screen slide-down menu panel */
#nav-menu-panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #1b3a2f;
  padding: 90px 32px 48px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Close button at the top of the open panel — separate from the hamburger toggle */
#nav-menu-close {
  position: absolute;
  top: 28px;
  right: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(249,245,238,.85);
  padding-right: calc(8px + .3em);
  transition: color .2s;
}
#nav-menu-close:hover { color: #c9a455; }
#nav-menu-close:focus-visible { outline: 2px solid #c9a455; outline-offset: 2px; }
#nav-menu-close .x {
  display: inline-block;
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
}
#nav-menu-close .x::before,
#nav-menu-close .x::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: currentColor;
}
#nav-menu-close .x::before { transform: rotate(45deg); }
#nav-menu-close .x::after  { transform: rotate(-45deg); }
#nav-menu-panel[aria-hidden="false"] {
  display: block;
  animation: feiNavFadeIn .25s ease forwards;
}
@keyframes feiNavFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

#nav-menu-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 480px;
  margin: 0 auto;
}
#nav-menu-panel li { margin: 0 0 4px; }
#nav-menu-panel a {
  display: block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(249,245,238,.88);
  text-decoration: none;
  padding: 20px 16px;
  border-bottom: .75px solid rgba(176,145,62,.18);
  padding-right: calc(16px + .3em);
  transition: color .2s, background .2s, padding-left .25s ease;
}
#nav-menu-panel a:hover,
#nav-menu-panel a:focus-visible {
  color: #c9a455;
  background: rgba(176,145,62,.05);
  padding-left: 26px;
  outline: 0;
}
#nav-menu-panel a:focus-visible {
  outline: 2px solid #c9a455;
  outline-offset: -2px;
}
#nav-menu-panel .nav-menu-section {
  font-size: 9px;
  letter-spacing: .32em;
  color: rgba(176,145,62,.65);
  margin: 28px 0 6px;
  padding: 0 16px;
  padding-right: calc(16px + .32em);
}

/* Sub-links (Knowledge subsections) get slight indent */
#nav-menu-panel a.nav-menu-sub {
  padding-left: 32px;
  font-size: 10px;
  letter-spacing: .28em;
  color: rgba(249,245,238,.72);
}
#nav-menu-panel a.nav-menu-sub:hover,
#nav-menu-panel a.nav-menu-sub:focus-visible {
  padding-left: 42px;
}

/* Enquire button at the bottom of the panel */
#nav-menu-panel .nav-menu-cta {
  display: inline-block;
  margin: 24px 16px 16px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #1b3a2f;
  background: #c9a455;
  padding: 14px 28px;
  text-decoration: none;
  border-bottom: 0;
  padding-right: calc(28px + .3em);
}
#nav-menu-panel .nav-menu-cta:hover {
  background: #b09050;
  color: #1b3a2f;
  padding-left: 28px;
}

/* Lock body scroll when menu is open */
body.nav-menu-open {
  overflow: hidden;
}

/* Activation breakpoint: hamburger appears, inline nav hides */
@media (max-width: 960px) {
  .nav-menu-btn { display: block; }
  .nav-links { display: none; }
  /* hide the desktop enquire button — we'll show one in the panel instead */
  .nav-enquire { display: none; }
}