/* NAV.CSS — AIRSHADOW Navigation Industrielle */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo-img {
  height: 45px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-item {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s ease;
}

.nav-item:hover {
  color: #fff;
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #fff;
}

.nav-btn {
  background: #fff;
  color: #000;
  padding: 10px 22px;
  border-radius: 4px;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-direction: column;
  padding: 30px;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.2s ease;
}

.mobile-menu a:hover {
  color: #fff;
}

.mobile-auth {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.mobile-link {
  color: rgba(255, 255, 255, 0.6) !important;
  border: none !important;
  font-size: 0.95rem !important;
}

.mobile-btn {
  background: #fff;
  color: #000 !important;
  padding: 15px !important;
  border-radius: 4px;
  text-align: center;
  font-weight: 600 !important;
  border: none !important;
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }
  
  .nav-menu,
  .nav-auth {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
}