:root{
--gap: clamp(8px, 1.5vw, 20px);
    }

    /* ── GRILLE ── */
    .gallery_p {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
      gap: var(--gap);
    }

    /* ── CARTE IMAGE ── */
    .card {
      position: relative;
      overflow: hidden;
      cursor: pointer;
      border-radius: 10px;
      background: #1a1a1a;
      /* animation d'entrée en cascade */
      opacity: 0;
      transform: translateY(16px);
      animation: fadeUp 0.5s ease forwards;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);  /* ombre douce en dessous */
    }

    /* Le délai est calculé dynamiquement via --i (assigné en JS) */
    .card { animation-delay: calc(var(--i, 0) * 0.05s); }

    @keyframes fadeUp {
      to { opacity: 1; transform: none; }
    }

    /* Ratio fixe — ajustez selon vos photos */
    .card::before {
      content: '';
      display: block;
      padding-bottom: 66%;   /* ratio 3:2 — changez en 100% pour carré, 56.25% pour 16:9 */
    }

    .card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.55s cubic-bezier(.25,.46,.45,.94),
                  filter 0.55s ease;
    }

    .card:hover img {
      transform: scale(1.07);
      filter: brightness(1.4);
    }

    /* Overlay au survol */
    .card-overlay {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: flex-end;
      padding: clamp(10px, 2vw, 20px);
      opacity: 0;
      transition: opacity 0.35s ease;
      pointer-events: none;
    }

    .card:hover .card-overlay { opacity: 1; }

    .card-overlay span {
      font-size: 0.68rem;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--accent);
      border-bottom: 1px solid var(--accent);
      padding-bottom: 2px;
    }