.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;

  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 2px 30px var(--accent-glow);
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  flex: 1;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.navbar-center {
  flex: 1;
  display: flex;
  justify-content: space-between;
}

.nav-text {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--secondary-text);
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-text:hover {
  color: var(--primary-text);
}

.navbar-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.5rem;
}

.about-btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--secondary-text);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.about-btn:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
  color: var(--primary-text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: relative;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--secondary-text);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  display: block;
  position: absolute;
  left: 0;
}

.menu-toggle span:nth-child(1) {
  top: 0;
}

.menu-toggle span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.menu-toggle span:nth-child(3) {
  bottom: 0;
}

.menu-toggle:hover span {
  background-color: var(--primary-text);
}

.menu-toggle.active span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateY(-50%) scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.menu-toggle.active span {
  background-color: var(--primary-text);
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--background-black);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding-top: 80px;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-menu-item {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--secondary-text);
  text-decoration: none;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.mobile-menu-item:hover,
.mobile-menu-item:active {
  color: var(--primary-text);
  padding-left: 1rem;
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .navbar-container {
    padding: 1rem;
  }

  .logo-img {
    height: 40px;
  }

  .nav-text {
    font-size: 0.9rem;
  }

  .about-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
  }

  .menu-toggle {
    display: flex;
  }

  .navbar-center {
    display: none;
  }
}

@media (max-width: 500px) {
  .navbar-container {
    padding: 0.75rem 1rem;
  }

  .navbar-logo {
    flex: 0 0 auto;
  }

  .logo-img {
    height: 32px;
  }

  .navbar-right {
    flex: 0 0 auto;
    gap: 0.75rem;
  }

  .about-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
    display: none;
  }

  .menu-toggle {
    width: 22px;
    height: 16px;
    gap: 3px;
  }

  .menu-toggle span {
    height: 2px;
  }

  .mobile-menu-content {
    padding: 1.5rem 1rem;
  }

  .mobile-menu-item {
    font-size: 1.1rem;
    padding: 0.875rem 0;
  }
}