/* Menú móvil compartido — GLIA web */
.glia-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: auto;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  cursor: pointer;
  flex-shrink: 0;
}

.glia-nav-toggle span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 2px 0;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

nav.glia-nav-open .glia-nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

nav.glia-nav-open .glia-nav-toggle span:nth-child(2) {
  opacity: 0;
}

nav.glia-nav-open .glia-nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 900px) {
  nav,
  nav .nav-inner {
    position: relative;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
  }

  .glia-nav-toggle {
    display: inline-flex;
  }

  nav .glia-nav-panel {
    display: none !important;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    width: 100%;
    order: 10;
    margin-top: 0.25rem;
    padding: 0.85rem 0 0.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  nav.glia-nav-open .glia-nav-panel {
    display: flex !important;
  }

  nav .glia-nav-panel a,
  nav .glia-nav-panel li {
    display: block;
    width: 100%;
  }

  nav .glia-nav-panel .nav-link,
  nav .glia-nav-panel a {
    padding: 0.55rem 0;
    font-size: 0.95rem;
  }

  nav .glia-nav-panel ul.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  nav .glia-nav-panel .nav-lang {
    padding-top: 0.35rem;
  }

  body.glia-nav-menu-open {
    overflow: hidden;
  }

  /* Alinear con producto/blog: ocultar enlaces horizontales y usar panel */
  nav > .nav-links.glia-nav-panel,
  nav .nav-inner > .nav-links.glia-nav-panel {
    display: none !important;
  }

  nav.glia-nav-open > .nav-links.glia-nav-panel,
  nav.glia-nav-open .nav-inner > .nav-links.glia-nav-panel {
    display: flex !important;
  }
}

/* Botón volver arriba (scroll) */
.glia-back-to-top {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right, 0px));
  bottom: max(1.25rem, env(safe-area-inset-bottom, 0px));
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(12, 14, 16, 0.92);
  backdrop-filter: blur(12px);
  color: #f0ede8;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.75rem);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, border-color 0.2s, background 0.2s;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.glia-back-to-top:hover {
  border-color: rgba(91, 191, 181, 0.45);
  background: rgba(20, 24, 28, 0.96);
}

.glia-back-to-top:focus-visible {
  outline: 2px solid rgba(91, 191, 181, 0.6);
  outline-offset: 2px;
}

.glia-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.glia-back-to-top svg {
  width: 1.1rem;
  height: 1.1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (min-width: 901px) {
  .glia-back-to-top {
    right: 1.75rem;
    bottom: 1.75rem;
  }
}