/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 999;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.3s ease;
  padding: 16px 0;
}
#navbar.scrolled {
  background: rgba(3,8,15,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  border-bottom: 1px solid rgba(0,153,153,0.2);
  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: 36px;
  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; }

@media (max-width: 768px) {
  .nav-logos { gap: 8px; }
  .nav-logos img.logo-main { height: 32px; }
  .nav-logos img.logo-siemens {
    height: 24px;
    padding-left: 8px;
    padding-right: 8px;
  }
  .nav-right { gap: 8px; }
  .lang-btn { padding: 4px 10px; font-size: 0.8rem; }
}