.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s, backdrop-filter 0.3s;
  backdrop-filter: blur(6px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding: 0 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--foreground);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--foreground);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 0.5rem;
  transition: background-color 0.2s, color 0.2s, transform 0.1s;
}

.icon-btn:hover {
  background-color: var(--muted);
  color: var(--accent);
}

.icon-btn:active {
  transform: scale(0.95);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@keyframes rotateUp {
  0% {
    transform: rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: rotate(-180deg);
    opacity: 0.8;
  }
}

@keyframes rotateDown {
  0% {
    transform: rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: rotate(180deg);
    opacity: 0.8;
  }
}

.rotate-up {
  animation: rotateUp 0.35s ease forwards;
}

.rotate-down {
  animation: rotateDown 0.35s ease forwards;
}


.nav-links {
  display: none;
}

.nav-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--foreground);
}


.mobile-menu {
  display: none;
  flex-direction: column;
  background-color: var(--background);
  border-top: 1px solid var(--border);
  padding: 1rem;
  transition:
    transform 0.35s ease,
    opacity 0.35s ease,
    visibility 0.35s ease;
  transform: translateY(-10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.mobile-menu a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: var(--foreground);
}


.mobile-menu.active {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  animation: fadeInSlide 0.35s ease forwards;
  backdrop-filter: blur(6px);
}

.mobile-menu.closing {
  transform: translateY(-10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  animation: fadeOutSlide 0.3s ease forwards;
}

@keyframes fadeInSlide {
  from {
    opacity: 0;
    transform: translateY(-15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOutSlide {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-15px);
  }
}


.navbar.scrolled {
  background-color: color-mix(in oklch, var(--background) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  #menu-toggle {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .nav-links a {
    color: var(--muted-foreground);
    font-size: 0.9rem;
  }

  .nav-links a:hover {
    color: var(--foreground);
  }
}

body.dark .navbar {
  background-color: var(--background);
  border-bottom-color: var(--border);
}

body.dark .nav-links a {
  color: var(--muted-foreground);
}

body.dark .nav-links a:hover {
  color: var(--accent);
}

body.dark .icon-btn:hover {
  background-color: color-mix(in oklch, var(--accent) 15%, var(--background));
  color: var(--primary);
}