/* efecto — menú overlay a pantalla completa */
.efx-menu { position: fixed; inset: 0; z-index: var(--z-menu); visibility: hidden; pointer-events: none; color: var(--paper); }
.efx-menu.is-open { visibility: visible; pointer-events: auto; }
.efx-menu__scrim { position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13, 13, 16, .97) 0%, rgba(13, 13, 16, .93) 52%, rgba(13, 13, 16, .35) 100%);
  clip-path: inset(0 0 100% 0); transition: clip-path .9s var(--ease-inout); }
.efx-menu.is-open .efx-menu__scrim { clip-path: inset(0 0 0 0); }

/* el contenido de la página se apaga para que queden solo los cubos detrás */
#content { transition: opacity .5s var(--ease-out); }
.is-menu-open #content { opacity: 0; pointer-events: none; }
.is-menu-open .grain { opacity: .04; }
/* con el menú abierto el header queda en logo + botón: la nav y el CTA ceden */
.efx-nav, .efx-cta { transition: opacity .3s var(--ease-out), visibility .3s; }
.is-menu-open .efx-nav, .is-menu-open .efx-cta { opacity: 0; visibility: hidden; }

.efx-menu__inner { position: relative; height: 100%; width: 100%; max-width: var(--maxw); margin-inline: auto; padding: calc(var(--gutter) * .5 + 76px) var(--gutter) calc(var(--gutter) * .7); display: grid; grid-template-rows: 1fr auto; gap: clamp(1rem, 3vh, 2.2rem); overflow-y: auto; overscroll-behavior: contain; }
.efx-menu__nav, .efx-menu__foot { min-width: 0; }
.efx-menu__nav { align-self: center; width: min(100%, 68%); min-height: 0; }
.efx-menu__label { display: flex; justify-content: space-between; gap: 1rem; margin: 0 0 clamp(.8rem, 2vh, 1.6rem); padding-bottom: .9rem; border-bottom: 1px solid var(--line); color: var(--muted); opacity: 0; transform: translateY(8px); transition: opacity .5s .2s, transform .7s .2s var(--ease-out); }
.is-open .efx-menu__label { opacity: 1; transform: none; }

.efx-menu__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-flow: column; grid-template-rows: repeat(4, auto); column-gap: clamp(1.5rem, 3vw, 3rem); }
.efx-menu__link { --fs: min(5.2vw, 11vh); position: relative; display: flex; align-items: baseline; gap: .3em; padding: .08em 0 .06em; font-family: var(--font-display); font-weight: 750; font-size: var(--fs); line-height: 1; letter-spacing: -0.04em; font-variation-settings: 'opsz' 96; color: var(--paper); border-bottom: 1px solid transparent; transition: color .4s var(--ease-out), opacity .4s var(--ease-out), transform .6s var(--ease-out); }
.efx-menu__n { font-family: var(--font-mono); font-weight: 400; font-size: max(.75rem, calc(var(--fs) * .15)); letter-spacing: .06em; color: var(--muted); transform: translateY(-.9em); transition: color .3s; font-variant-numeric: tabular-nums; flex: none; width: 2.4em; }
.efx-menu__t { display: block; white-space: nowrap; overflow: hidden; padding: .04em .06em .1em 0; margin: -.04em -.06em -.1em 0; }
.efx-menu__t > span { display: block; transform: translateY(112%); transition: transform .9s var(--ease-out) calc(var(--i, 0) * 45ms + 150ms), color .3s; }
.is-open .efx-menu__t > span { transform: none; }
.efx-menu:not(.is-open) .efx-menu__t > span { transition-delay: 0s; transition-duration: .4s; }

/* marcador pixel que entra desde la izquierda */
.efx-menu__link::before { content: ''; position: absolute; left: 0; top: 50%; width: .22em; height: .22em; margin-top: -.11em; background: var(--accent); box-shadow: .22em .22em 0 -.04em var(--cobalt); transform: translateX(-140%) scale(0); transition: transform .5s var(--ease-out); }
.efx-menu__list:has(.efx-menu__link:hover) .efx-menu__link:not(:hover), .efx-menu__list:has(.efx-menu__link:focus-visible) .efx-menu__link:not(:focus-visible) { opacity: .28; }
.efx-menu__link:hover, .efx-menu__link:focus-visible { color: var(--accent); transform: translateX(.18em); }
.efx-menu__link:hover .efx-menu__n, .efx-menu__link:focus-visible .efx-menu__n { color: var(--paper); }
.efx-menu__link:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }
.efx-menu__link:focus-visible::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--lime); }

.efx-menu__foot { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1.2rem 2rem; padding-top: 1.1rem; border-top: 1px solid var(--line); opacity: 0; transform: translateY(14px); transition: opacity .5s, transform .8s var(--ease-out); }
.is-open .efx-menu__foot { opacity: 1; transform: none; transition-delay: .55s; }
.efx-menu__ctas { display: flex; gap: .7rem; flex-wrap: wrap; }
.efx-menu__meta { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; color: var(--paper-2); }
.efx-menu__sep { color: var(--muted); }
.efx-menu__hint { margin: 0; color: var(--muted); }
.efx-menu__hint kbd { font: inherit; border: 1px solid var(--line-strong); padding: .15em .5em; margin-left: .4em; color: var(--paper-2); }

@media (max-width: 1099px) { .efx-menu__scrim { background: rgba(13, 13, 16, .97); } .efx-menu__link { --fs: min(7vw, 9.4vh); } .efx-menu__nav { width: 100%; } }
@media (max-width: 760px) {
  .efx-menu__inner { padding-top: 78px; gap: 1rem; }
  .efx-menu__nav { align-self: start; width: 100%; }
  .efx-menu__list { grid-template-columns: 1fr; grid-auto-flow: row; grid-template-rows: none; }
  .efx-menu__n { transform: translateY(-.5em); }
  .efx-menu__foot { grid-template-columns: 1fr; gap: .9rem; }
  .efx-menu__ctas .btn { flex: 1 1 auto; justify-content: center; }
  .efx-menu__hint { display: none; }
}
@media (max-height: 640px) and (min-width: 761px) { .efx-menu__link { --fs: 8.6vh; } .efx-menu__label { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .efx-menu__scrim { clip-path: none; opacity: 0; transition: opacity .2s; } .efx-menu.is-open .efx-menu__scrim { opacity: 1; }
  .efx-menu__t > span { transform: none; }
}

/* sin WebGL: preview 2D de la figura */
.efx-menu__preview { display: none; }
.no-webgl .efx-menu__preview { display: block; position: absolute; right: var(--gutter); top: 50%; width: min(24vw, 380px); height: min(24vw, 380px); transform: translateY(-54%); pointer-events: none; }
@media (max-width: 1099px) { .no-webgl .efx-menu__preview { display: none; } }

.efx-menu__more { margin: clamp(.6rem, 1.6vh, 1.2rem) 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: 0 1.4rem; color: var(--paper-2); opacity: 0; transform: translateY(10px); transition: opacity .5s, transform .8s var(--ease-out); }
.is-open .efx-menu__more { opacity: 1; transform: none; transition-delay: .6s; }
.efx-menu__sub { display: inline-flex; align-items: center; min-height: 44px; }
.efx-menu__sub[aria-current], .efx-menu__sub[data-current] { color: var(--accent); }
.efx-menu__link[aria-current] .efx-menu__t > span, .efx-menu__link[data-current] .efx-menu__t > span { color: var(--paper); }
.efx-menu__link[aria-current]::before, .efx-menu__link[data-current]::before { transform: translateX(-190%) scale(1); }
.efx-menu__link[aria-current] .efx-menu__n, .efx-menu__link[data-current] .efx-menu__n { color: var(--accent); }
@media (max-width: 760px) { .efx-menu__link { --fs: min(10.2vw, 6.4vh); } .efx-menu__inner { overflow-x: hidden; } .efx-menu__more { gap: 0 1rem; } }


/* ≤1099 px: hueco reservado arriba de la lista para la figura voxel (el canvas pasa por encima del velo solo mientras el menú está abierto) */
.efx-menu__slot { display: none; }
@media (max-width: 1099px) {
  .efx-menu__slot { display: block; height: clamp(150px, 29vh, 300px); margin-bottom: clamp(.2rem, .8vh, .8rem); pointer-events: none; }
  .is-menu-open #voxels { z-index: calc(var(--z-menu) + 1); }
}
@media (max-width: 760px) {
  .efx-menu__label { display: none; }
  .efx-menu__inner { padding-top: 70px; }
  .efx-menu__link { --fs: min(8.6vw, 5.4vh); }
  .efx-menu__more { margin-top: .4rem; }
  .efx-menu__sub { min-height: 40px; }
}