/* ── Filter bar ──────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.75rem;
}

.filter-btn {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: .78rem;
  font-family: var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}

.filter-btn:hover { border-color: var(--ink); }

.filter-btn.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

/* ── Work card interactions ──────────────────────────────────── */
.work-card.hidden { display: none; }

.work-card[data-img] { cursor: pointer; }
.work-card[data-img]:hover .img-frame img { opacity: .88; transition: opacity .2s; }

/* ── Lightbox ────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20,10,10,.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90vw;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 48px rgba(0,0,0,.6);
}

.lightbox-caption {
  margin-top: 1.25rem;
  text-align: center;
}

.lightbox-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: #fdf6e3;
}

.lightbox-meta {
  font-family: var(--mono);
  font-size: .72rem;
  color: rgba(253,246,227,.5);
  margin-top: .3rem;
  letter-spacing: .06em;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: rgba(253,246,227,.6);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  padding: .25rem;
}

.lightbox-close:hover { color: #fdf6e3; }