/* ===== Filter + gallery ===== */
.projects-block { background: var(--color-paper); padding: clamp(64px, 9vw, 120px) 0 clamp(88px, 12vw, 160px); }
.projects-intro { max-width: 60ch; margin-bottom: clamp(36px, 4.5vw, 56px); }

.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 28px; }
.filter-btn {
  padding: 11px 22px;
  border-radius: 100px;
  border: 1px solid rgba(16, 16, 18, 0.14);
  background: #FFFFFF;
  color: var(--color-ink);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.filter-btn:hover { border-color: var(--color-accent); }
.filter-btn:active { transform: scale(0.96); }
.filter-btn { transition: background .2s ease, border-color .2s ease, color .2s ease, transform .15s ease; }
.filter-btn.is-active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-ink); font-weight: 600; }

.filter-count { color: var(--color-warm-gray-light); font-size: 13.5px; margin: 0 0 clamp(28px, 3.5vw, 44px); }

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(14px, 2vw, 22px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.project-tile {
  transition: opacity .38s var(--ease), transform .38s var(--ease);
}
.project-tile.is-hidden { display: none; }
.project-tile.is-leaving { opacity: 0; transform: scale(0.94); }
.project-tile.is-entering { opacity: 0; transform: translateY(12px) scale(0.96); transition: none; }
.project-tile-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 10px 30px -20px rgba(16, 16, 18, 0.3);
}
.project-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease);
}
.project-tile:hover .project-tile-media img { transform: scale(1.06); }
.project-tile-tag {
  position: absolute;
  left: 12px; bottom: 12px;
  font: 500 10.5px/1.4 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #FFFFFF;
  background: rgba(16, 16, 18, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 6px 11px;
  border-radius: 100px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .3s ease, transform .3s ease;
}
.project-tile:hover .project-tile-tag { opacity: 1; transform: none; }

.project-gallery-empty {
  display: none;
  color: var(--color-warm-gray);
  font-size: 16px;
  padding: 60px 0;
  text-align: center;
}
.project-gallery-empty.is-visible { display: block; }