/* ================================================================
   GALERIE DE PRÉSENTATIONS (page /presentations-catalog.html)
   Cartes des présentations Reveal.js ; les cartes synchronisées
   (presentations/) gardent le style .project-card existant.
   ================================================================ */

.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.deck-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: border-color var(--motion-fast), background var(--motion-fast), box-shadow var(--motion-fast), transform var(--motion-fast);
}
.deck-card:hover,
.deck-card:focus-within {
  border-color: var(--glass-border-strong);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-2px);
}

.deck-card__thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 10%, rgba(78, 213, 138, 0.18), transparent 40%),
    var(--color-background);
  border-bottom: 1px solid var(--glass-border);
  color: var(--color-highlight);
  font-size: 2.2rem;
  text-decoration: none;
}
.deck-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.deck-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 1.5rem 1.5rem;
}
.deck-card__meta {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-dimmed);
}
.deck-card__title {
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-foreground);
}
.deck-card__title a { color: inherit; }
.deck-card__title a:hover { color: var(--color-highlight); text-decoration: none; opacity: 1; }
.deck-card__desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--color-dimmed);
}
.deck-card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; padding-top: 0.5rem; }

.deck-card a:focus-visible {
  outline: 2px solid var(--color-highlight);
  outline-offset: 3px;
}