.navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navigation.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .navigation {
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .navigation.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.nav-logo h1 {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--text-primary);
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

.nav-logo a {
  text-decoration: none;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.nav-link {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: none;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  color: var(--text-secondary);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: left 0.3s ease;
  z-index: -1;
}

.nav-link:hover::before {
  left: 0;
}

.nav-link:hover {
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.nav-link.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.nav-link.active::before {
  display: none;
}

/* Add scroll margin to sections so they're not hidden behind fixed navbar */
section {
  scroll-margin-top: 4rem;
}

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

  .nav-content {
    height: 3.5rem;
  }

  .nav-logo h1 {
    font-size: 1.1rem;
  }
}