/* Reglas comunes cacheables para navegación y pintura móvil. */
@media(max-width:640px){
  nav.top .links{display:flex!important;flex-wrap:wrap;gap:10px 18px!important;width:100%}
  nav.top .links a{display:block;flex:0 0 calc(50% - 9px);padding:3px 0;letter-spacing:.12em}
  body::before{opacity:.08;mix-blend-mode:normal}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}