/* ============================================
   PRIME STONE DEVELOPERS — nav.css
   Navigation, header, mobile menu
   ============================================ */

/* ── Main Nav ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
.site-nav.scrolled {
  background-color: var(--black);
  border-bottom: 1px solid var(--gold);
  padding: 14px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1; }
.nav-logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 2px;
}
.nav-logo-sub {
  font-family: var(--font-heading);
  font-size: 0.55rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--silver);
}

/* ── Nav Links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.nav-links a,
.nav-dropdown > span {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--silver);
  padding: 6px 10px;
  transition: color var(--transition);
  position: relative;
  cursor: pointer;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-dropdown > span:hover {
  color: var(--gold);
}
.nav-links a.active {
  color: var(--gold);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--gold);
}

/* ── Dropdown ── */
.nav-dropdown {
  position: relative;
}
.nav-dropdown > span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-dropdown > span::after {
  content: '▾';
  font-size: 0.6rem;
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--black);
  border: 1px solid rgba(212,175,55,0.3);
  border-top: 2px solid var(--gold);
  min-width: 220px;
  z-index: 100;
}
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 10px 18px !important;
  font-size: 0.65rem !important;
  letter-spacing: 1.5px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--silver);
}
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: rgba(212,175,55,0.08); color: var(--gold); }

/* ── Nav CTA ── */
.nav-cta {
  flex-shrink: 0;
}
.nav-cta .btn {
  font-size: 0.65rem;
  padding: 10px 22px;
  letter-spacing: 2px;
}

/* ── Hamburger ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transition: all 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(7px, 7px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* ── Mobile Overlay ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 1050;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}
.mobile-menu.open { display: flex; }
.mobile-menu a,
.mobile-menu .mobile-drop-toggle {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--silver);
  transition: color var(--transition);
  text-align: center;
  background: none;
  border: none;
  cursor: pointer;
  display: block;
  width: 100%;
}
.mobile-menu a:hover,
.mobile-menu .mobile-drop-toggle:hover { color: var(--gold); }
.mobile-menu a.active { color: var(--gold); }
.mobile-sub {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.mobile-sub.open { display: flex; }
.mobile-sub a { font-size: 1.2rem !important; }
.mobile-menu .mobile-cta { margin-top: var(--spacing-sm); }

@media (max-width: 1024px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}
@media (max-width: 768px) {
  .nav-inner { padding: 0 var(--spacing-sm); }
}