/* ───────── Ilustración: vista cenital, el guía hace angelitos entre los dibujos ───────── */
.ilu-page { overflow-x: hidden; }

.ilu-stage {
  position: relative; overflow: hidden;
  height: max(34rem, min(100svh - 4rem, 72rem));
  /* suelo: un foco suave alrededor del guía */
  background: radial-gradient(ellipse 60% 55% at 50% 50%, var(--bg2), var(--bg) 75%);
}
.ilu-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; }
.ilu-stage.hot canvas { cursor: pointer; }

.ilu-head { position: absolute; left: var(--pad-x); right: var(--pad-x); top: clamp(1rem, 3vw, 2rem); z-index: 2; text-align: center; pointer-events: none; }
.ilu-kicker { margin: 0 0 .4rem; font-size: .75rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--mute); }
.ilu-head h1 { margin: 0; font: 800 clamp(1.8rem, 4.5vw, 3.2rem)/1 var(--font-display); letter-spacing: -.035em; }
.ilu-lead { margin: .6rem 0 0; color: var(--mute); font-size: .9375rem; }

.ilu-loading { position: absolute; inset: auto 0 45%; margin: 0; text-align: center; color: var(--mute); transition: opacity .4s ease; }
.ilu-stage.ready .ilu-loading { opacity: 0; }

/* Lista accesible: invisible salvo cuando un botón tiene el foco del teclado */
.ilu-list { list-style: none; margin: 0; padding: 0; }
.ilu-list button {
  position: absolute; left: 50%; bottom: 1rem; transform: translateX(-50%); z-index: 3;
  clip-path: inset(50%); white-space: nowrap;
  font: 600 .875rem var(--font-body, inherit); color: var(--ink); background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-pill); padding: .5rem 1rem;
}
.ilu-list button:focus-visible { clip-path: none; outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Vista grande ── */
.ilu-view { position: fixed; inset: 0; z-index: 300; }
.ilu-view[hidden] { display: none; }
.iv-back { position: absolute; inset: 0; background: color-mix(in srgb, var(--bg) 82%, transparent); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); animation: iv-fade .6s cubic-bezier(.2, .8, .2, 1); }
.iv-fig {
  position: absolute; inset: 4.25rem 4.5rem 10rem; margin: 0;
  display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: var(--r-inner);
  animation: iv-in .75s cubic-bezier(.2, .8, .2, 1);
}
.iv-img {
  max-width: 100%; max-height: 100%; object-fit: contain; border-radius: var(--r-inner);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .28); cursor: zoom-in;
  transition: transform .35s cubic-bezier(.2, .8, .2, 1);
}
.iv-fig.zoom .iv-img { transform: scale(2.4); cursor: zoom-out; box-shadow: none; }
.iv-info {
  position: absolute; left: 50%; bottom: 1rem; transform: translateX(-50%);
  width: min(40rem, calc(100vw - 2rem)); padding: .9rem 1.25rem; border-radius: var(--r-box);
  text-align: center; animation: iv-fade .8s cubic-bezier(.2, .8, .2, 1) .2s backwards;
}
.iv-info h2 { margin: 0; font: 800 1.25rem/1.15 var(--font-display); letter-spacing: -.02em; }
.iv-info p { margin: .3rem 0 0; color: var(--mute); font-size: .875rem; text-wrap: pretty; }
.iv-info p:empty { display: none; }
.iv-info .iv-meta { margin: 0 0 .25rem; font-size: .7rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.iv-info .iv-note { color: var(--ink); font-style: italic; }
.iv-info .iv-count { font-size: .75rem; font-variant-numeric: tabular-nums; }
.ilu-view .btn.icon { position: absolute; z-index: 2; width: 2.75rem; min-height: 2.75rem; padding: 0; color: var(--ink); background: var(--card); border: 1px solid var(--line); }
.ilu-view .btn.icon svg { width: 1.2rem; height: 1.2rem; }
.iv-close { top: 1rem; right: 1rem; }
.iv-prev, .iv-next { top: 50%; transform: translateY(-50%); }
.iv-prev { left: 1rem; }
.iv-next { right: 1rem; }
@keyframes iv-fade { from { opacity: 0; } }
@keyframes iv-in { from { opacity: 0; transform: translateY(24px) scale(.96); filter: blur(6px); } }

@media (max-width: 640px) {
  .ilu-stage { height: max(32rem, 100svh - 4rem); }
  .iv-fig { inset: 4rem .5rem 13rem; }
  .iv-prev, .iv-next { top: auto; bottom: 1rem; transform: none; }
  .iv-info { bottom: 4.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .iv-back, .iv-fig, .iv-info { animation: none; }
  .iv-img { transition: none; }
  .iv-info { animation: none; }
}
/* técnica del dibujo como cápsulas (filtran la web por etiqueta) */
.iv-info .iv-chips { justify-content: center; margin: .5rem 0 .1rem; }
.iv-info .iv-chips:empty { display: none; }
.iv-info .iv-chips .chip { font-size: .75rem; padding: .25rem .7rem; }

/* ═════════ Mosaico de dibujos (cabecera: .ph-head de fotografia.css) ═════════ */
body.il-lock { overflow: hidden; }
.il-cells { columns: 4 18rem; column-gap: 0; overflow: hidden; padding-bottom: clamp(3rem, 8vw, 6rem); }
.il-cells .ph-loading { column-span: all; }
/* cada dibujo se solapa 1 px con el de la derecha y el de abajo: sin juntas con anchos con decimales */
.il-cell {
  position: relative; display: block; width: calc(100% + 1px); margin: 0 0 -1px; padding: 0; border: 0;
  background: var(--bg2); cursor: zoom-in; break-inside: avoid; overflow: hidden; isolation: isolate;
  opacity: 0; transition: opacity .9s ease;
}
.il-cell.shown { opacity: 1; }
.il-cell img { display: block; width: 100%; height: auto; transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
/* título encima, arriba a la izquierda, con fusión "diferencia"; aparece al pasar el ratón */
.il-name {
  position: absolute; left: 1rem; top: 1rem; right: 1rem; z-index: 1; text-align: left;
  color: #fff; mix-blend-mode: difference; pointer-events: none;
  font: 800 clamp(1.3rem, 2.4vw, 2.2rem)/1 var(--font-display); letter-spacing: -.035em; text-wrap: balance;
  opacity: 0; transform: translateY(-.4rem); transition: opacity .35s ease, transform .5s cubic-bezier(.2, .8, .2, 1);
}
@media (hover: hover) {
  .il-cell:hover img { transform: scale(1.03); }
  .il-cell:hover .il-name, .il-cell:focus-visible .il-name { opacity: 1; transform: none; }
}
.il-cell:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
@media (max-width: 760px) { .il-cells { columns: 2; } }
@media (prefers-reduced-motion: reduce) {
  .il-cell { opacity: 1; transition: none; }
  .il-name, .il-cell img { transition: none; }
}