/* ============================================================
   Willow & Moss - Navigation
   ============================================================ */

#site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Subtle scrim so light nav text stays legible over the hero photo */
#site-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0));
  opacity: 1;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: -1;
}

/* Solid bar once scrolled past the hero */
#site-nav.scrolled {
  background-color: var(--cream);
  border-bottom-color: var(--border);
}

#site-nav.scrolled::before {
  opacity: 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: var(--space-md);
}

/* Logo */
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--cream);
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
  transition: color 0.3s ease;
}

#site-nav.scrolled .nav-logo {
  color: var(--green-deep);
}

/* Centre nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-family: 'Jost', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-links a:hover {
  color: #ffffff;
}

#site-nav.scrolled .nav-links a {
  color: var(--text-muted);
}

#site-nav.scrolled .nav-links a:hover {
  color: var(--green-deep);
}

/* Nav actions (right side) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* Hamburger toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  gap: 5px;
  padding: 4px;
}

.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--cream);
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease, background-color 0.3s ease;
  transform-origin: center;
}

#site-nav.scrolled .nav-toggle .bar {
  background-color: var(--green-deep);
}

/* Hamburger to X animation */
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav drawer */
.nav-mobile-menu {
  display: none;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--cream);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) var(--container-padding) var(--space-lg);
  z-index: 99;
}

.nav-mobile-menu.is-open {
  display: block;
}

.nav-mobile-menu a {
  display: block;
  font-family: 'Jost', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-mobile-menu a:last-child {
  border-bottom: none;
}

.nav-mobile-menu a:hover {
  color: var(--green-deep);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 767px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  /* Reorder: logo | toggle | enquire */
  .nav-inner {
    gap: var(--space-xs);
  }

  .nav-actions .btn {
    padding: 7px 14px;
    font-size: 0.7rem;
  }
}