/* ═══════════════════════════════════════════════════════
   VIKAMA — projects.css
   Estilos específicos del portfolio de proyectos reales
   ═══════════════════════════════════════════════════════ */

/* ── Project card: badge de número de fotos ─── */
.project-card {
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
}

.project-card-image {
  position: relative;
}

.project-card-count {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.3em 0.6em;
  background: color-mix(in oklch, var(--color-primary) 80%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--color-bg);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: opacity var(--duration-fast) var(--ease-out-quart);
}

.project-card:hover .project-card-count {
  opacity: 0;
}

/* ── Alternating aspect ratios — responsive visual rhythm ── */
@media (min-width: 48rem) {
  .project-card:nth-child(5n+1) .project-card-image { aspect-ratio: 4 / 5; }
  .project-card:nth-child(5n+2) .project-card-image { aspect-ratio: 3 / 4; }
  .project-card:nth-child(5n+3) .project-card-image { aspect-ratio: 1 / 1; }
  .project-card:nth-child(5n+4) .project-card-image { aspect-ratio: 4 / 5; }
  .project-card:nth-child(5n)   .project-card-image { aspect-ratio: 3 / 4; }
}

/* ── Projects grid: 3 columns on desktop ── */
@media (min-width: 72rem) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  /* Staggered offset for visual rhythm */
  .project-card:nth-child(3n+2) {
    margin-block-start: var(--space-xl);
  }
  .project-card:nth-child(3n+3) {
    margin-block-start: calc(var(--space-xl) * 0.5);
  }
}

/* ════════════════════════════════════════════════════════
   LIGHTBOX — GALERÍA DE PROYECTO
   ════════════════════════════════════════════════════════ */
.proj-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.proj-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Backdrop */
.proj-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in oklch, var(--color-primary) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
}

/* Panel */
.proj-lightbox__panel {
  position: relative;
  z-index: 1;
  width: min(96vw, 80rem);
  max-height: 92dvh;
  background: var(--color-bg);
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
  overflow: hidden;
  transform: translateY(2rem) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 3rem 8rem color-mix(in oklch, var(--color-primary) 40%, transparent);
}

.proj-lightbox.is-open .proj-lightbox__panel {
  transform: translateY(0) scale(1);
}

@media (min-width: 56rem) {
  .proj-lightbox__panel {
    grid-template-columns: 1fr 22rem;
    grid-template-rows: 1fr;
    max-height: 88dvh;
  }
}

/* Close button */
.proj-lightbox__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  z-index: 10;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: color-mix(in oklch, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-text);
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.proj-lightbox__close:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.proj-lightbox__close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.proj-lightbox__close svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Stage — main image + nav arrows */
.proj-lightbox__stage {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-stage);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 18rem;
}

@media (min-width: 56rem) {
  .proj-lightbox__stage {
    min-height: 0;
  }
}

/* Figure & image */
.proj-lightbox__figure {
  width: 100%;
  height: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proj-lightbox__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: 60dvh;
}

@media (min-width: 56rem) {
  .proj-lightbox__img {
    max-height: 88dvh;
  }
}

/* Nav arrows */
.proj-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: color-mix(in oklch, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--color-text);
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.proj-lightbox__nav:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.proj-lightbox__nav:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.proj-lightbox__nav:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.proj-lightbox__nav svg {
  width: 1.25rem;
  height: 1.25rem;
}

.proj-lightbox__nav--prev { left: var(--space-sm); }
.proj-lightbox__nav--next { right: var(--space-sm); }

@media (max-width: 55.9rem) {
  .proj-lightbox__nav {
    width: 2.5rem;
    height: 2.5rem;
  }
}

/* Info sidebar */
.proj-lightbox__info {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-subtle);
  overflow-y: auto;
}

@media (min-width: 56rem) {
  .proj-lightbox__info {
    border-top: none;
    border-left: 1px solid var(--color-border-subtle);
    padding: var(--space-lg) var(--space-md);
    justify-content: flex-start;
  }
}

/* Overline */
.proj-lightbox__overline {
  font-family: var(--font-body);
  font-size: var(--text-overline);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.proj-lightbox__overline::before {
  content: '';
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* Title */
.proj-lightbox__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

/* Year */
.proj-lightbox__year {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Counter */
.proj-lightbox__counter {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
  margin-block-start: auto;
}

/* Thumbnails strip */
.proj-lightbox__thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(3.5rem, 1fr));
  gap: 0.375rem;
  overflow-y: auto;
  max-height: 14rem;
}

@media (min-width: 56rem) {
  .proj-lightbox__thumbs {
    max-height: 22rem;
  }
}

.proj-thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  border-radius: 2px;
  transition:
    border-color 0.15s ease,
    opacity 0.15s ease;
  list-style: none;
}

.proj-thumb:hover {
  opacity: 0.85;
}

.proj-thumb.is-active {
  border-color: var(--color-accent);
}

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