/* ============================================================
   CAMPAIGN — Zimbabwe accountability posters
   Shared by /campaign/ (gallery), the homepage teaser strip,
   and the per-card /campaign/N pages (Cloudflare Function).
   ============================================================ */

/* ---------- Poster grid (gallery) ---------- */
.poster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: var(--sp-3);
}
.poster-card {
  position: relative; aspect-ratio: 1 / 1; overflow: hidden;
  border-radius: var(--r-md); border: 1px solid var(--border);
  background: var(--night-700); padding: 0; cursor: zoom-in; display: block;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.poster-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-md); z-index: 2; }
.poster-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.poster-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.poster-card .poster-num {
  position: absolute; top: 8px; left: 8px;
  font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 700;
  background: var(--grad-brand); color: #fff; border-radius: var(--r-pill);
  padding: 2px 9px; box-shadow: var(--shadow-sm); pointer-events: none; z-index: 2;
}
.poster-card .poster-cap {
  position: absolute; inset: auto 0 0 0; z-index: 1;
  padding: 28px var(--sp-3) var(--sp-3);
  font-size: var(--fs-xs); font-weight: 700; line-height: 1.3; color: #fff; text-align: left;
  background: linear-gradient(to top, rgba(6,6,10,.92), rgba(6,6,10,.55) 55%, transparent);
  opacity: 0; transform: translateY(6px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.poster-card:hover .poster-cap, .poster-card:focus-visible .poster-cap { opacity: 1; transform: none; }

/* ---------- Campaign intro / toolbar ---------- */
.campaign-intro { max-width: 60ch; }
.campaign-toolbar { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: var(--sp-4) 0 var(--sp-5); }
.campaign-toolbar .chip {
  font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 600;
  padding: .45em 1em; border-radius: var(--r-pill);
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-soft);
  cursor: pointer; transition: all var(--dur) var(--ease);
}
.campaign-toolbar .chip:hover { color: var(--text); border-color: var(--accent); }
.campaign-toolbar .chip.active { background: var(--grad-brand); color: #fff; border-color: transparent; }

/* ---------- Homepage teaser strip (reuses .carousel) ---------- */
.campaign-strip .poster-slide {
  flex: 0 0 220px; max-width: 220px; scroll-snap-align: start;
  position: relative; aspect-ratio: 1 / 1; overflow: hidden;
  border-radius: var(--r-md); border: 1px solid var(--border); background: var(--night-700); padding: 0;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.campaign-strip .poster-slide:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-md); }
.campaign-strip .poster-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.campaign-cta { margin-top: var(--sp-4); display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }
@media (max-width: 600px) {
  .campaign-strip .poster-slide { flex-basis: 60vw; max-width: 60vw; }
}

/* ---------- Per-card page (/campaign/N) ---------- */
.poster-page { max-width: 900px; margin: 0 auto; padding: var(--sp-6) var(--sp-4) var(--sp-8); }
.poster-page .back-link { display: inline-block; margin-bottom: var(--sp-4); color: var(--text-soft); font-size: var(--fs-sm); }
.poster-page .poster-figure {
  margin: 0 auto var(--sp-5); max-width: 560px;
  border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-md);
}
.poster-page .poster-figure img { width: 100%; height: auto; display: block; }
.poster-page h1 { font-size: var(--fs-2xl); line-height: 1.15; text-align: center; margin: 0 auto var(--sp-2); max-width: 22ch; }
.poster-page .poster-sub { text-align: center; color: var(--text-soft); font-size: var(--fs-sm); margin-bottom: var(--sp-5); }
.poster-actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); justify-content: center; margin-bottom: var(--sp-5); }
.poster-pager { display: flex; justify-content: space-between; gap: var(--sp-3); border-top: 1px solid var(--border); padding-top: var(--sp-4); }
.poster-pager a { color: var(--text); font-weight: 600; font-size: var(--fs-sm); }
.poster-pager a[aria-disabled="true"] { opacity: .35; pointer-events: none; }