/* Navegación Quiero Tarjetas: ajustes aislados, sin cambiar enlaces ni retícula. */
/* Margen de anclas acorde a la altura real del header en móvil y escritorio. */
:is(#impresion, #gran-formato, #promocionales, #sellos, #area-medica, #cotizador, #contacto) {
  scroll-margin-top: calc(var(--qt-header-height, 104px) + 16px);
}
.back-to-top {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  bottom: calc(24px + env(safe-area-inset-bottom));
  z-index: 90;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: #20231f;
  background: #fff;
  border: 1px solid #9ca3af;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease;
}
.back-to-top[hidden] { display: none; }
.back-to-top:focus-visible { outline: 3px solid #a54c05; outline-offset: 3px; }
@media (hover: hover) and (pointer: fine) {
  .back-to-top:hover { border-color: #a54c05; color: #a54c05; }
}
#mainHeader .header-nav { gap: 22px; }
#mainHeader .header-nav .nav-link {
  min-height: 46px;
  font-size: 15px;
  line-height: 1.4;
  font-weight: 600;
  white-space: nowrap;
  transition: color 180ms ease, transform 180ms ease;
}
#mainHeader .nav-link::after {
  width: 100%;
  height: 2px;
  bottom: 3px;
  border-radius: 2px;
  background: var(--qt-action, #f58220);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}
#mainHeader .nav-link[aria-current="location"],
#mainHeader .nav-link:focus-visible { color: var(--qt-action, #f58220); }
#mainHeader .nav-link[aria-current="location"]::after,
#mainHeader .nav-link:focus-visible::after { transform: scaleX(1); }
#mainHeader .nav-link:focus-visible,
#mobileNavOverlay :is(a, button):focus-visible,
#mainHeader .menu-toggle:focus-visible {
  outline: 2px solid #ffad66;
  outline-offset: 5px;
  border-radius: 3px;
}
/* Una entrada corta; sin secuencias, rebotes ni animación continua. */
#mobileNavOverlay {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 220ms ease, visibility 0s linear 220ms;
}
#mobileNavOverlay.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
#mobileNavOverlay .mobile-nav-link {
  position: relative;
  min-height: 48px;
  padding: 11px 0;
  font-size: 19px;
  line-height: 1.4;
  transition: color 180ms ease, border-color 180ms ease;
}
#mobileNavOverlay .mobile-nav-link:hover { padding-left: 0; }
#mobileNavOverlay .mobile-nav-link[aria-current="location"],
#mobileNavOverlay .mobile-nav-link:focus-visible {
  color: var(--qt-action, #f58220);
  border-bottom-color: var(--qt-action, #f58220);
}
@media (hover: hover) and (pointer: fine) {
  #mainHeader .nav-link:hover { color: var(--qt-action, #f58220); transform: translateY(-1px); }
  #mainHeader .nav-link:hover::after { transform: scaleX(1); }
  #mobileNavOverlay .mobile-nav-link:hover { border-bottom-color: var(--qt-action, #f58220); }
}
@media (min-width: 1101px) and (max-width: 1279px) {
  #mainHeader .header-inner { gap: 18px; }
  #mainHeader .header-nav { gap: 16px; }
  #mainHeader .header-nav .nav-link { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .back-to-top { transition: none; }
  #mainHeader .nav-link,
  #mainHeader .nav-link::after,
  #mobileNavOverlay,
  #mobileNavOverlay .mobile-nav-link { transition: none; }
  #mainHeader .nav-link:hover,
  #mobileNavOverlay,
  #mobileNavOverlay.active { transform: none; }
}