/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 999;
  transition: box-shadow 0.4s ease, padding 0.3s ease;
  padding: 12px 0;
  background: rgba(3,8,15,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,153,153,0.15);
}
#navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  padding: 10px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-logos {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logos img.logo-main {
  height: 44px;
  object-fit: contain;
  transition: height 0.3s ease;
}
#navbar.scrolled .nav-logos img.logo-main { height: 36px; }
.nav-logos img.logo-siemens {
  height: 52px;
  object-fit: contain;
  opacity: 0.85;
  border-right: 1px solid rgba(0,153,153,0.3);
  padding-right: 16px;
}
[dir="rtl"] .nav-logos img.logo-siemens {
  border-right: none;
  border-left: 1px solid rgba(0,153,153,0.3);
  padding-right: 0;
  padding-left: 16px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 14px;
  left: 14px;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  border-radius: 1px;
  transition: transform 0.3s ease;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--teal); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-partner-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--teal);
  border-radius: 6px;
  background: var(--teal-dim);
  font-size: 0.72rem;
  color: var(--teal);
  font-weight: 600;
  white-space: nowrap;
}
.nav-wa-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(37,211,102,0.1);
  border: 1px solid #25D366;
  border-radius: 8px;
  color: #25D366;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  direction: ltr;
  transition: var(--transition);
}
.nav-wa-btn:hover {
  background: rgba(37,211,102,0.2);
  box-shadow: 0 0 16px rgba(37,211,102,0.3);
}
.nav-wa-btn svg { width: 16px; height: 16px; }

/* Mobile Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  background: rgba(3,8,15,0.98);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  padding: 12px 24px 20px;
}
.nav-mobile-menu.open { display: block; }
.nav-mobile-menu a {
  display: block;
  padding: 12px 0;
  color: var(--white);
  text-decoration: none;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.2s;
}
.nav-mobile-menu a:hover { color: var(--teal); }
.nav-mobile-menu a:last-child { border-bottom: none; }


.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: rgba(13,27,42,0.97);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0,153,153,0.2);
  border-radius: 12px;
  padding: 8px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  color: #B0BEC5;
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-dropdown-item:hover {
  background: rgba(0,153,153,0.1);
  color: #009999;
}
.nav-dropdown-item svg { opacity: 0.6; flex-shrink: 0; }
.nav-dropdown-item:hover svg { opacity: 1; }
.nav-dropdown-arrow {
  font-size: 0.7rem;
  margin-right: 4px;
  transition: transform 0.2s;
  display: inline-block;
  opacity: 0.5;
}
.nav-dropdown:hover .nav-dropdown-arrow { transform: rotate(180deg); opacity: 1; }

/* Inline search bar */
.nav-search-wrap {
  position: relative;
  width: 220px;
  transition: width 0.3s ease;
}
.nav-search-wrap:focus-within { width: 300px; }
.nav-search-input {
  width: 100%;
  padding: 7px 36px 7px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(0,153,153,0.25);
  border-radius: 8px;
  color: var(--white);
  font-family: 'Cairo', sans-serif;
  font-size: 0.82rem;
  outline: none;
  transition: all 0.2s;
}
.nav-search-input:focus {
  background: rgba(255,255,255,0.09);
  border-color: rgba(0,153,153,0.6);
  box-shadow: 0 0 0 3px rgba(0,153,153,0.08);
}
.nav-search-input::placeholder { color: rgba(255,255,255,0.35); }
[dir="rtl"] .nav-search-input { padding: 7px 14px 7px 36px; }
.nav-search-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.35);
  pointer-events: none;
}
.nav-search-input { padding: 7px 34px 7px 14px !important; }
.nav-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(13,27,42,0.98);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0,153,153,0.2);
  border-radius: 12px;
  overflow: hidden;
  z-index: 500;
  display: none;
  max-height: 380px;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.nav-search-results.visible { display: block; }
.nav-search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.15s;
  cursor: pointer;
}
.nav-search-result-item:hover { background: rgba(0,153,153,0.08); }
.nav-search-result-item:last-child { border-bottom: none; }
.nav-search-result-model {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: monospace;
  white-space: nowrap;
}
.nav-search-result-desc {
  color: var(--gray);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.nav-search-result-cat {
  color: rgba(0,153,153,0.5);
  font-size: 0.72rem;
  white-space: nowrap;
}
.nav-search-empty {
  padding: 20px;
  text-align: center;
  color: var(--gray);
  font-size: 0.85rem;
}
.nav-search-loading {
  padding: 16px;
  text-align: center;
  color: var(--gray);
  font-size: 0.82rem;
}

@media(max-width:768px) {
  .nav-search-wrap { display: none; }
}