/* ============================================================
   ART PAGE
============================================================ */
.art-page {
  background: var(--bg);
}

.art-main {
  padding: calc(var(--nav-h) + 5rem) max(3rem, calc((100vw - 1296px) / 2)) 8rem;
}

/* HEADER */
.art-header {
  margin-bottom: 3rem;
}
.art-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.art-desc {
  font-size: 1rem;
  color: var(--text-2);
  font-weight: 300;
}

/* FILTER TABS */
.art-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
}
.art-filter {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-3);
  font-family: var(--ff-label);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.art-filter:hover {
  border-color: var(--text-2);
  color: var(--text-2);
}
.art-filter.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

/* GRID — masonry-like with CSS grid */
.art-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* Default item */
.art-outline {
  border: 1px solid #f3f3f3;
  border-radius: 14px;
  background: #ffffff;
  padding: 0.5rem;
}

.art-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid #f3f3f3;
}

/* Media fills the cell */
.art-item-media {
  width: 100%;
  height: 100%;
  display: block;
  top: 50%;
  left: 50%;
}
.art-item-media iframe {
  border: none;
  display: block;
  pointer-events: none;
  transform-origin: center center;
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
}
.art-item--interactive .art-item-media iframe {
  pointer-events: auto;
}
.art-item--interactive .art-item-overlay {
  display: none;
}
.art-item-media img,
.art-item-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s var(--ease);
}
.art-item:hover .art-item-media img,
.art-item:hover .art-item-media video {
  transform: scale(1.04);
}

/* Overlay — appears on hover */
.art-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.52) 0%, rgba(0,0,0,0.08) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.25rem;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.art-item:hover .art-item-overlay {
  opacity: 1;
}
.art-item-cat {
  font-family: var(--ff-label);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.65);
}
.art-item-name {
  font-size: 0.95rem;
  font-weight: 400;
  color: #fff;
  line-height: 1.3;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 600px) {
  .art-main { padding: calc(var(--nav-h) + 3rem) 1.5rem 5rem; }
  .art-grid { grid-template-columns: 1fr; }
}