/* ================================================
   Sofía Abud — Photography Collections Stylesheet
   ================================================ */

/* --- Collection Page Container --- */
.collection-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

/* --- Collection Header --- */
.collection-header {
  text-align: center;
  padding: 3rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid #eeeeee;
}

.collection-title {
  font-family: 'Gambetta', serif;
  font-size: 2.22rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.collection-description {
  max-width: 700px;
  margin: 0 auto 1.5rem;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.6;
  color: #444444;
}

.collection-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: #666666;
  text-transform: none;
}

/* --- Masonry Gallery (CSS Columns) --- */
.collection-gallery {
  column-count: 3;
  column-gap: 1rem;
}

.collection-gallery img {
  width: 100%;
  height: auto;
  display: block;
  break-inside: avoid;
  margin-bottom: 1rem;
  cursor: zoom-in;
  transition: transform 0.5s ease, opacity 0.3s ease;
}

.collection-gallery img:hover {
  opacity: 0.8;
}

/* Aspect ratios — film photography */
.collection-gallery img.horizontal {
  aspect-ratio: 3 / 2 !important;
  object-fit: cover;
}

.collection-gallery img.vertical {
  aspect-ratio: 2 / 3 !important;
  object-fit: cover;
}

/* Secondary aspect ratio for specific collections (Casa de los Abuelos, etc.) */
.collection-gallery.alt-ratio img.vertical {
  aspect-ratio: 3 / 4 !important;
}

/* --- Back Link --- */
.collection-back {
  display: inline-block;
  margin-top: 3rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: none;
  color: #888;
  transition: color 0.3s ease;
}

.collection-back:hover {
  color: #000000;
}

/* --- Responsive — Mobile --- */
@media (max-width: 768px) {
  .collection-detail {
    padding: 0 1rem 2rem;
  }

  .collection-header {
    padding: 2rem 0;
    margin-bottom: 1.5rem;
  }

  .collection-title {
    font-size: 1.5rem;
  }

  .collection-description {
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 2rem;
  }

  .collection-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    color: #525252;
    line-height: 1.8;
  }

  .collection-gallery {
    column-count: 1;
    column-gap: 0;
  }

  .collection-back {
    display: block;
    text-align: center;
  }
}