/* ═══════════════════════════════════════
   PROJET — styles spécifiques pages projet
   ═══════════════════════════════════════ */

/* ── Page transitions ─────────────────── */
body {
  transition: transform 0.45s ease, opacity 0.45s ease;
  opacity: 1;
}
body.page-leave          { transform: translateX(100%);   opacity: 0; }
body.page-leave-reverse  { transform: translateX(-100%);  opacity: 0; }

/* ── Header projet ───────────────────── */
.header-back {
  position: fixed;
  top: 0;
  left: 0;
  padding: .5rem 1rem;
  z-index: 3;
  color: white;
  mix-blend-mode: difference;
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: inherit;
}

#header {
  padding-left: 1.5rem;
  max-width: 90%;
  width: 100%;
  color: var(--color-gray-500);
  line-height: 1.4;
}

/* ── Colonnes ────────────────────────── */
.column.c6 { align-self: center; }
.column.c3 { align-self: flex-end; }
.grid > .column { padding: var(--spacing-s); }

/* ── Footer projet ───────────────────── */
#footerbuttondown { float: right; }
#footerbuttonup {
  margin: 0 auto;
  text-align: right;
  float: right;
  position: relative;
  right: 5rem;
  visibility: hidden;
  top: 15px;
}
#footercont {
  background-color: rgba(255,255,255,.8);
  position: absolute;
  top: 0;
  opacity: 1;
  transition: opacity 1s, visibility 2s;
}

/* ── Site footer fixe en bas (sous le contenu) ─ */
.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 5;
  padding: .4rem 1rem;
  background: white;
}

/* Le contenu passe par-dessus le footer */
#projet {
  position: relative;
  z-index: 2;
}

/* ── Images : légende hors-flux pour aligner les images en bas ─ 
#projet .grid { align-items: end; }*/

#projet .grid > .column {
  padding-bottom: 0;
}

#projet .grid > .column > div {
  height: 100%;
}

#projet figure {
  height: 100%;
  flex-direction: column;
}

#projet figure img {
  flex: 1;
  min-height: 0;
  object-fit: contain;
  object-position: bottom center;
}

#projet figcaption {
  flex-shrink: 0;
  height: 2.8rem;
  overflow: hidden;
  padding-top: .4rem;
  color: var(--color-gray-500);
  font-size: 0.875rem;
  line-height: 1.2;
}

/* ── Images ──────────────────────────── */
img { max-height: 86vh; max-width: 100%; }

/* figcaption géré en absolu dans #projet, règle générale pour les autres contextes */
figcaption { text-align: left; color: var(--color-gray-500); }

/* ── Desktop / Mobile ────────────────── */
.desktop { display: -webkit-inline-box; }
.mobile  { display: none; }

/* ══════════════════════════════════════
   MEDIA QUERIES
   ══════════════════════════════════════ */
@media screen and (max-width: 798px) {
  .desktop { display: none; }
  .mobile  { display: -webkit-inline-box; }
  #footerbuttonup { right: 1rem; }
  .grid > .column { padding: var(--spacing-s) var(--spacing-l); }

  /* Overflow horizontal */
  body, #projet { max-width: 100vw; overflow-x: hidden; }

  /* Grid gap réduit */
  #projet .grid { gap: var(--spacing-xs) !important; }

  /* Header : titre tronqué, pas de retour à la ligne */
  .header-back {
    max-width: calc(100vw - 5rem);
    overflow: hidden;
    white-space: nowrap;
  }
  .header-back span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 38vw;
    display: inline-block;
    vertical-align: bottom;
  }

  /* Footer site : flux normal (pas fixe) sur mobile */
  .site-footer {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
  }

  /* Projet : min-height pour que le contenu ait de la place */
  #projet {
    min-height: 100dvh;
    padding-bottom: 2rem;
  }

  /* Header reste au-dessus du rideau footer */
  .header-back { z-index: 60; }
  .header-nav  { position: relative; z-index: 60; }

  /* Footer info panel : rideau fixe coulissant depuis le bas */
  #footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    min-height: 80vh;
    max-height: 92dvh;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255,255,255,0.98);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  #footer.footer-open {
    transform: translateY(0);
  }

  /* Bouton fermeture : sticky en haut du panneau */
  #footerbuttonup {
    position: sticky;
    top: 0;
    float: right;
    right: 0;
    visibility: visible !important;
    padding: .75rem 1rem .25rem;
    background: rgba(255,255,255,0.95);
    z-index: 2;
  }
}