/* ============================================
   VANDANISM ART — Portfolio Page Styles
   css/portfolio.css
   ============================================ */

#portfolio { background: var(--cream); }

/* --- HEADER --- */
.portfolio-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 48px;
  max-width: 1200px; margin-left: auto; margin-right: auto;
  flex-wrap: wrap; gap: 24px;
}

/* --- FILTERS --- */
.portfolio-filters { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-btn {
  background: transparent;
  border: 1px solid var(--cream-dark);
  color: var(--muted);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 13px;
  cursor: none;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--white);
}

/* --- GRID --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px; margin: 0 auto;
}

/* --- ITEM --- */
.portfolio-item {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  cursor: none;
  transition: opacity 0.3s, transform 0.3s;
}
.portfolio-item:nth-child(3n+2) { margin-top: 40px; }

.portfolio-img-wrap {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 20px;
  position: relative;
}
.portfolio-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-item:hover .portfolio-img-wrap img { transform: scale(1.05); }

/* Placeholder art colors */
.art-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.5s ease;
}
.portfolio-item:hover .art-placeholder { transform: scale(1.05); }

.art-1 { background: linear-gradient(135deg, #E8D5B7, #D4A97A, #C17A50, #D9614C); }
.art-2 { background: linear-gradient(160deg, #F2C4B5, #D9614C, #B07D55, #8B5E3C); }
.art-3 { background: linear-gradient(120deg, #8B5E3C, #C17A50, #E8896F, #F2C4B5); }
.art-4 { background: linear-gradient(150deg, #D9614C, #E8896F, #F5EFE0, #D4A97A); }
.art-5 { background: linear-gradient(130deg, #5C3D25, #8B5E3C, #D4A97A, #F2C4B5); }
.art-6 { background: linear-gradient(140deg, #EDE4CE, #D4A97A, #C17A50, #D9614C); }
.art-7 { background: linear-gradient(155deg, #F2C4B5, #E8896F, #8B5E3C, #5C3D25); }
.art-8 { background: linear-gradient(125deg, #D4A97A, #C17A50, #D9614C, #F2C4B5); }
.art-9 { background: linear-gradient(145deg, #8B5E3C, #D4A97A, #E8896F, #F5EFE0); }

.art-label {
  font-family: 'Caveat', cursive;
  font-size: 18px;
  color: rgba(253,250,244,0.45);
  text-align: center;
  line-height: 1.5;
  pointer-events: none;
  padding: 16px;
}

/* --- OVERLAY --- */
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(44,26,14,0.85) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex; align-items: flex-end;
  padding: 24px;
  border-radius: 20px;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-info { color: var(--white); }
.portfolio-info h3 {
  font-family: 'Playfair Display', serif;
  font-size: 18px; margin-bottom: 4px;
}
.portfolio-info p { font-size: 12px; opacity: 0.75; }
.portfolio-info .portfolio-cat {
  display: inline-block;
  background: var(--coral);
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 11px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- LIGHTBOX --- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(44,26,14,0.92);
  z-index: 900;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.lightbox.open { opacity: 1; pointer-events: all; }

.lightbox-inner {
  max-width: 600px; width: 90%;
  position: relative;
}
.lightbox-img {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 24px;
  overflow: hidden;
}
.lightbox-close {
  position: absolute;
  top: -48px; right: 0;
  background: none; border: none;
  color: var(--cream); font-size: 28px;
  cursor: none;
  font-family: 'DM Sans', sans-serif;
  transition: color 0.2s;
}
.lightbox-close:hover { color: var(--coral); }
.lightbox-caption {
  color: var(--cream); text-align: center;
  margin-top: 20px;
}
.lightbox-caption h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px; margin-bottom: 4px;
}
.lightbox-caption p { font-size: 13px; opacity: 0.65; }

/* --- MOBILE --- */
@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-item:nth-child(3n+2) { margin-top: 0; }
  .portfolio-item:nth-child(2n) { margin-top: 32px; }
}
@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item:nth-child(n) { margin-top: 0; }
}