/* ============================================================
   DIANA & SANS — SEIS UNIDADES
   Tarjetas de apartamentos y galería de detalle.
   Se carga solo en espacios.html / en/espacios.html.
   ============================================================ */

.unidades {
  position: relative;
  background: var(--color-black-absolute);
  padding: var(--space-96) 0 var(--space-112);
  border-top: 1px solid var(--color-divider);
}

.unidades__header {
  max-width: 820px;
  margin-bottom: var(--space-64);
}

.unidades__kicker {
  display: block;
  margin-bottom: var(--space-24);
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--text-eyebrow-tracking);
  text-transform: uppercase;
  color: var(--color-gold);
}

.unidades__title {
  margin: 0 0 var(--space-24);
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4.6vw, 4rem);
  font-weight: var(--weight-heading-light);
  line-height: 0.98;
  letter-spacing: var(--text-h2-tracking);
  color: var(--color-ivory);
}

.unidades__title em {
  font-style: italic;
  color: var(--color-gold);
}

.unidades__lede {
  max-width: 46ch;
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body-small);
  font-weight: var(--weight-body-light);
  line-height: 1.7;
  color: var(--color-gray-warm);
}

.unidades__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-48) var(--space-40);
}

.unidades__card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.unidades__figure {
  margin: 0;
}

.unidades__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #0d0d0d;
  border: 1px solid rgba(196, 168, 110, 0.1);
}

.unidades__media .ds-apt-img {
  transition: transform var(--duration-slow) var(--ease-out);
}

.unidades__card:hover .unidades__media .ds-apt-img {
  transform: scale(1.035);
}

.unidades__count {
  position: absolute;
  top: var(--space-16);
  right: var(--space-16);
  z-index: 2;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--tracking-wider);
  color: var(--color-ivory);
  opacity: 0.72;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.7);
}

.unidades__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  padding: var(--space-24);
  text-align: center;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.012) 0 1px,
      transparent 1px 12px
    ),
    linear-gradient(165deg, #121110 0%, #0d0d0d 70%, #111 100%);
}

.unidades__placeholder-mark {
  color: var(--color-gold);
  opacity: 0.5;
  font-size: 1.5rem;
  line-height: 1;
}

.unidades__placeholder-text {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-gray-warm);
}

.unidades__body {
  padding-top: var(--space-24);
}

.unidades__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-16);
}

.unidades__name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2vw, 1.85rem);
  font-weight: var(--weight-heading-light);
  line-height: 1.1;
  color: var(--color-ivory);
}

.unidades__number {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--tracking-wider);
  color: var(--color-gold);
  opacity: 0.65;
}

.unidades__meta {
  display: block;
  margin-top: var(--space-8);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: var(--weight-body-light);
  letter-spacing: 0.04em;
  color: var(--color-gray-warm);
}

.unidades__cta {
  position: relative;
  display: inline-block;
  margin-top: var(--space-16);
  padding: 0 0 var(--space-8);
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
}

.unidades__cta::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: rgba(196, 168, 110, 0.5);
  transform: scaleX(0.28);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.unidades__cta:hover::after,
.unidades__cta:focus-visible::after {
  transform: scaleX(1);
}

.unidades__cta:focus-visible {
  outline: 1px solid var(--color-gold);
  outline-offset: 4px;
}

.unidades__card--pending .unidades__name {
  color: rgba(246, 242, 235, 0.72);
}

/* La pila fotográfica de espacios conserva su jerarquía visual */
.gallery-preview__photo--2 .ds-apt-img {
  opacity: 0.85;
  filter: blur(0.5px) saturate(0.88);
}

.gallery-preview__photo--3 .ds-apt-img {
  opacity: 0.7;
  filter: blur(1px) saturate(0.82);
}

/* ---------- Galería de detalle ---------- */

.unit-dialog {
  width: min(1080px, 92vw);
  max-width: none;
  max-height: 92vh;
  margin: auto;
  inset: 0;
  padding: 0;
  border: 1px solid rgba(196, 168, 110, 0.16);
  background: #0c0c0c;
  color: var(--color-ivory);
  overflow: auto;
}

.unit-dialog::backdrop {
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
}

.unit-dialog__panel {
  position: relative;
  padding: var(--space-40);
}

.unit-dialog__close {
  position: absolute;
  top: var(--space-16);
  right: var(--space-16);
  z-index: 3;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(196, 168, 110, 0.25);
  background: rgba(10, 10, 10, 0.7);
  color: var(--color-ivory);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.unit-dialog__close:hover,
.unit-dialog__close:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
  outline: none;
}

.unit-dialog__header {
  padding-right: var(--space-48);
  margin-bottom: var(--space-24);
}

.unit-dialog__kicker {
  display: block;
  margin-bottom: var(--space-8);
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--weight-body-medium);
  letter-spacing: var(--text-eyebrow-tracking);
  text-transform: uppercase;
  color: var(--color-gold);
}

.unit-dialog__title {
  margin: 0 0 var(--space-8);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: var(--weight-heading-light);
  line-height: 1;
}

.unit-dialog__meta {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--color-gray-warm);
}

.unit-dialog__stage {
  margin: 0;
  aspect-ratio: 16 / 10;
  max-height: 46vh;
  background: #080808;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.unit-dialog__stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.unit-dialog__thumbs {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-16);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  scrollbar-width: thin;
  scrollbar-color: rgba(196, 168, 110, 0.35) transparent;
}

.unit-dialog__thumb {
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  padding: 0;
  border: 1px solid transparent;
  background: #111;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.unit-dialog__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.unit-dialog__thumb:hover,
.unit-dialog__thumb:focus-visible {
  opacity: 0.9;
  outline: none;
}

.unit-dialog__thumb.is-active {
  opacity: 1;
  border-color: var(--color-gold);
}

.unit-dialog__note {
  margin: var(--space-16) 0 0;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: var(--weight-body-light);
  line-height: 1.6;
  color: var(--color-gray-warm);
}

.unit-dialog__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  margin-top: var(--space-16);
}

.unit-dialog__arrow {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(196, 168, 110, 0.22);
  background: transparent;
  color: var(--color-ivory);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.unit-dialog__arrow:hover,
.unit-dialog__arrow:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
  outline: none;
}

.unit-dialog__count {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-warm);
}

@media (max-width: 1024px) {
  .unidades__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .unidades {
    padding: var(--space-64) 0 var(--space-80);
  }

  .unidades__grid {
    grid-template-columns: 1fr;
    gap: var(--space-40);
  }

  .unidades__media {
    aspect-ratio: 4 / 3;
  }

  .unidades__header {
    margin-bottom: var(--space-40);
  }

  .unit-dialog {
    width: 100vw;
    max-height: 100vh;
    height: 100%;
    border: none;
  }

  .unit-dialog__panel {
    padding: var(--space-24) var(--space-16) var(--space-32);
  }

  .unit-dialog__stage {
    aspect-ratio: 4 / 3;
  }

  .unit-dialog__thumb {
    width: 56px;
    height: 56px;
  }
}