/* ==========================================================================
   COVER ART — cuadrícula + visor
   ========================================================================== */

.covers {
  padding: clamp(24px, 4vw, 56px) var(--gutter) clamp(72px, 10vw, 140px);
}
.covers__head { margin-bottom: clamp(24px, 3.5vw, 48px); }
.covers__head-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.covers__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(6px, 1vw, 14px);
}
@media (min-width: 700px)  { .covers__grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .covers__grid { grid-template-columns: repeat(4, 1fr); } }

/* Cada portada */
.cover {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease-out) var(--d, 0ms), transform .8s var(--ease-out) var(--d, 0ms);
}
.cover.is-in { opacity: 1; transform: none; }
.cover[hidden] { display: none; }

.cover .media { aspect-ratio: 1 / 1 !important; }
.cover .media > img { transition: transform .8s var(--ease-out), opacity .6s var(--ease-out); }

/* Nombre: aparece desde abajo al pasar el mouse */
.cover__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 36px 12px 11px;
  color: #fff;
  text-align: left;
  background: linear-gradient(to top, rgba(0,0,0,.72), transparent);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .35s, transform .45s var(--ease-out);
  pointer-events: none;
}
@media (hover: hover) {
  .cover:hover .media > img { transform: scale(1.05); }
  .cover:hover .cover__cap { opacity: 1; transform: none; }
}
.cover:focus-visible { outline-offset: -3px; }

.covers__more {
  display: block;
  margin: clamp(28px, 4vw, 48px) auto 0;
  padding: 14px 26px;
  border: 1px solid currentColor;
  transition: background-color .3s, color .3s;
}
.covers__more:hover { background: var(--ink); color: #fff; }

/* --------------------------------------------------------------------------
   VISOR
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  color: #fff;
  opacity: 0;
  transition: opacity .35s var(--ease-out);
}
.lightbox.is-open { opacity: 1; }

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 10, .86);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
}

.lightbox__fig {
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transform: scale(.96);
  transition: transform .45s var(--ease-out);
}
.lightbox.is-open .lightbox__fig { transform: none; }

/* Máximo 1280 × 1280 (el tamaño real de tus portadas): nunca se agranda de más */
.lightbox__img {
  display: block;
  width: min(1280px, 86vw, calc(100vh - 190px));
  width: min(1280px, 86vw, calc(100svh - 190px));
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
  transition: opacity .2s;
}
.lightbox__img.is-swapping { opacity: .35; }
.lightbox__cap { opacity: .8; text-align: center; padding: 0 16px; }

/* Botones cuadrados, como en tu referencia */
.lightbox__btn {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .22);
  transition: background-color .25s, border-color .25s;
}
.lightbox__btn:hover { background: var(--accent); border-color: var(--accent); }
.lightbox__btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.lightbox__close { position: absolute; top: 16px; right: 16px; }
.lightbox__count { position: absolute; top: 30px; right: 78px; opacity: .75; letter-spacing: .08em; }
.lightbox__nav {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}

/* "hidden" debe ganarle a los display de arriba */
.lightbox[hidden],
.covers__more[hidden] { display: none; }