/* ============================================================
   navbar.css — Sticky navbar con glassmorphism al hacer scroll.
   ============================================================ */

.navbar-aura {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition:
    background-color var(--transition-base),
    backdrop-filter var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  border-bottom: 1px solid transparent;
}

.navbar-aura.is-scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-6);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  height: 44px;
}

.navbar-brand img,
.navbar-brand svg {
  height: 36px;
  width: auto;
}

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

.navbar-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-2);
}

.navbar-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-3);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

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

.navbar-link.is-active {
  color: var(--accent-primary);
  font-weight: var(--font-weight-semibold);
}

.navbar-link.is-active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--gradient-button);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex: none;
}

.theme-toggle:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: rotate(15deg);
}

.theme-toggle .icon {
  width: 18px;
  height: 18px;
}

[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun  { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.navbar-cta {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  flex: none;
}

.menu-toggle .icon { width: 22px; height: 22px; }

/* Drawer móvil */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-navbar) + 10);
  pointer-events: none;
}

.mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: var(--bg-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(360px, 88vw);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  padding: var(--spacing-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  pointer-events: auto;
}
.mobile-drawer.is-open .mobile-drawer__backdrop { opacity: 1; }
.mobile-drawer.is-open .mobile-drawer__panel { transform: translateX(0); }

.mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.mobile-drawer__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.mobile-drawer__close .icon { width: 22px; height: 22px; }

.mobile-drawer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.mobile-drawer__link {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.mobile-drawer__link:hover,
.mobile-drawer__link.is-active {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

.mobile-drawer__footer {
  margin-top: auto;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

/* —— Selector de idioma ES / EN —— */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
}

.lang-switcher__btn {
  min-width: 36px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-primary);
  opacity: 0.72;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

.lang-switcher__btn.is-active {
  color: var(--text-on-accent);
  opacity: 1;
  background: var(--accent-primary);
}

.navbar-nav {
  display: none;
}

.navbar-brand img,
.navbar-brand svg {
  aspect-ratio: 220 / 56;
}

.mobile-drawer__lang {
  display: flex;
  justify-content: center;
  padding: var(--spacing-2) 0;
}

.mobile-drawer__lang .lang-switcher {
  width: 100%;
  max-width: 200px;
  justify-content: center;
}

@media (min-width: 1180px) {
  .navbar-nav { display: block; }
  .navbar-links { display: flex; }
  .navbar-cta { display: inline-flex; }
  .menu-toggle { display: none; }
}

@media (min-width: 1180px) and (max-width: 1320px) {
  .navbar-link { padding: var(--spacing-2); font-size: 13px; }
  .navbar-cta span { display: none; }
}