.site-nav {
  display: none;
}

@media (min-width: 1024px) {
  .site-nav {
    display: block;
  }
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding-block: var(--space-sm);
}

.site-nav__link:hover {
  color: var(--color-primary);
}

.site-nav__link:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.site-nav__item--has-dropdown:hover .site-nav__dropdown,
.site-nav__item--has-dropdown:focus-within .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px) saturate(140%);
  -webkit-backdrop-filter: blur(6px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.site-nav__dropdown-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text-inverse);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.site-nav__dropdown-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-primary);
}

.site-nav__dropdown-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* Cuando el header ya hizo scroll (barra blanca sólida), el dropdown
   vuelve a ser un panel sólido tradicional en vez de glass, igual que
   pasa con la píldora del header. */
.site-header.is-scrolled .site-nav__dropdown {
  background: var(--color-bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-color: transparent;
}

.site-header.is-scrolled .site-nav__dropdown-link {
  color: var(--color-text);
}

.site-header.is-scrolled .site-nav__dropdown-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Menú móvil */
.site-nav--mobile {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-bg-dark-blue);
  display: flex;
  align-items: center;
  padding: var(--space-2xl);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.site-nav--mobile.is-open {
  transform: translateX(0);
}

.site-nav--mobile .site-nav__list {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
  width: 100%;
}

.site-nav--mobile .site-nav__link {
  color: var(--color-text-inverse);
  font-size: var(--text-lg);
  transition: color var(--transition-fast);
}

.site-nav--mobile .site-nav__link:hover {
  color: var(--color-primary);
}

.site-nav--mobile .site-nav__dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  background: transparent;
  box-shadow: none;
  display: none;
  padding-left: var(--space-md);
}

.site-nav--mobile .site-nav__item--open .site-nav__dropdown {
  display: block;
}

.site-nav--mobile .site-nav__dropdown-link {
  color: var(--color-text-inverse);
  opacity: 0.8;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.site-nav--mobile .site-nav__dropdown-link:hover {
  color: var(--color-primary);
  opacity: 1;
}

@media (min-width: 1024px) {
  .site-nav--mobile { display: none; }
}