/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-fixed);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: all var(--transition-base) var(--ease-in-out);
  padding: var(--spacing-md) 0;
}

.navbar.scrolled {
  background: white;
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.12);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: clamp(1.5rem, 2vw, 1.75rem);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--primary-blue), var(--electric-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.navbar-logo:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.navbar-logo svg,
.navbar-logo-img {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0 2px 4px rgba(102, 126, 234, 0.3));
  flex-shrink: 0;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-link {
  position: relative;
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: #334155;
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.navbar-link:hover {
  color: var(--primary-blue);
  background-color: rgba(59, 130, 246, 0.08);
}

.navbar-link.active {
  color: white;
  background-color: var(--primary-blue);
  font-weight: var(--font-weight-semibold);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  background-color: rgba(15, 23, 42, 0.05);
}

.navbar-toggle span,
.navbar-toggle::before,
.navbar-toggle::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--charcoal);
  transition: transform var(--transition-base) var(--ease-in-out);
}

.navbar-toggle::before {
  transform: translateY(-6px);
}

.navbar-toggle::after {
  transform: translateY(6px);
}

.navbar-toggle.open::before {
  transform: translateY(0) rotate(45deg);
}

.navbar-toggle.open span {
  transform: scale(0);
}

.navbar-toggle.open::after {
  transform: translateY(0) rotate(-45deg);
}

.navbar-mobile {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--white);
  transform: translateX(-100%);
  transition: transform var(--transition-base) var(--ease-in-out);
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  padding: var(--spacing-3xl) var(--spacing-xl);
  gap: var(--spacing-xl);
}

.navbar-mobile.open {
  transform: translateX(0);
}

.navbar-mobile a {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--charcoal);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.navbar-mobile .navbar-actions {
  flex-direction: column;
  align-items: stretch;
}

.navbar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base) var(--ease-in-out);
  z-index: calc(var(--z-fixed) - 1);
}

.navbar-overlay.open {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1023px) {
  .navbar-nav,
  .navbar-actions {
    display: none;
  }

  .navbar-toggle {
    display: inline-flex;
  }
}