/* ============================================
   NAVBAR STYLES
   ============================================ */

.navbar {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  max-width: 1280px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  background-color: rgba(255, 255, 255, 0.7);
  z-index: var(--z-nav);
  transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

html.dark .navbar {
  background-color: rgba(18, 19, 24, 0.8);
}

.navbar:hover {
  transform: translateX(-50%) scale(1.01);
}

.navbar-container {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(1rem, 2vw, 2.25rem);
  padding: 0.75rem clamp(1rem, 2.5vw, 2rem);
  width: 100%;
}

/* Navbar Brand */
.navbar-brand {
  font-family: var(--font-display-xl);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--color-primary);
  white-space: nowrap;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-brand-secondary {
  font-size: 0.625rem;
  font-family: var(--font-label-tactical);
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-top: 0.125rem;
  text-transform: uppercase;
  opacity: 0.8;
}

/* Navigation Menu */
.navbar-nav {
  display: none;
  gap: clamp(0.65rem, 1.1vw, 1.25rem);
  align-items: center;
  flex: 1;
  min-width: 0;
  margin-left: 0;
  margin-right: 0;
  overflow: hidden;
}

.navbar-nav [data-brand] {
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 1.1vw, 1.25rem);
  flex-wrap: nowrap;
  min-width: 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .navbar-nav {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-body-md);
  font-size: clamp(0.9rem, 0.85rem + 0.2vw, 1rem);
  color: var(--text-on-surface-variant);
  transition: all var(--transition-fast);
  position: relative;
  padding: 0.45rem clamp(0.2rem, 0.4vw, 0.5rem);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
  opacity: 0.8;
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

/* Navbar Actions */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 1vw, 1.1rem);
  margin-left: auto;
  flex-shrink: 0;
}

.switch-brand {
  display: none;
  font-family: var(--font-label-tactical);
  font-size: var(--text-label-tactical);
  color: var(--text-on-surface-variant);
  border-right: 1px solid var(--border-color-variant);
  padding-right: 1rem;
  white-space: nowrap;
  transition: color var(--transition-fast);
  cursor: pointer;
}

@media (min-width: 1280px) {
  .switch-brand {
    display: block;
  }
}

.switch-brand:hover {
  color: var(--color-primary);
}

.cta-button {
  padding: 0.5rem clamp(1rem, 1.5vw, 1.5rem);
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-full);
  font-family: var(--font-body-md);
  font-size: var(--text-body-md);
  font-weight: 600;
  box-shadow: var(--cta-shadow);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.cta-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.cta-button:active {
  transform: translateY(0);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  color: var(--text-on-surface);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.mobile-menu-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

html.dark .mobile-menu-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0.5rem 1rem 1rem;
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background-color: var(--bg-container-lowest);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.is-open {
  display: flex;
  animation: slideUp 260ms ease-out;
}

.mobile-menu [data-brand] {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu .nav-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
}

.mobile-menu .nav-link:hover {
  background-color: var(--bg-container-high);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-container {
    grid-template-columns: auto auto;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }

  .navbar-nav {
    margin-left: 0;
  }

  .switch-brand {
    display: none !important;
  }

  .cta-button {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  .navbar-brand-secondary {
    font-size: 0.55rem;
    letter-spacing: 0.16em;
  }
}

@media (max-width: 1200px) {
  .navbar-nav {
    gap: 0.5rem;
  }

  .nav-link {
    padding-inline: 0.2rem;
    font-size: 0.88rem;
  }

  .cta-button {
    font-size: 0.95rem;
  }
}