/* ==========================================================================
   Intro "ascenseur" de la page d'accueil
   Montée rapide → ralentissement → arrivée → ouverture des portes.
   Pour désactiver : retirer #lift-intro, ce CSS et js/elevator-intro.js de index.html.
   ========================================================================== */

html.lift-lock, html.lift-lock body { overflow: hidden !important; }

#lift-intro {
  --shaft: 0px;
  --blur: 0px;
  --lintel-h: clamp(72px, 11vh, 112px);
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  overflow: hidden;
  cursor: pointer;
  /* Sécurité : si le JS ne tourne pas, l'intro disparaît seule */
  animation: liftFailsafe .6s ease 7s forwards;
}
#lift-intro.is-running { animation: none; }
@keyframes liftFailsafe { to { opacity: 0; visibility: hidden; } }

/* ---------- Linteau + afficheur d'étage ---------- */
.lift-lintel {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 4;
  height: var(--lintel-h);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #1c1f25 0%, #0f1115 100%);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  box-shadow: 0 14px 40px rgba(0, 0, 0, .65);
}
.lift-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .9rem;
  min-width: 168px;
  height: 58%;
  padding: 0 1.3rem;
  background: #060709;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 12px;
  box-shadow: inset 0 0 18px rgba(0, 0, 0, .95);
  transition: box-shadow .5s, border-color .5s;
}
.lift-arrow {
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 12px solid #ff6a4d;
  filter: drop-shadow(0 0 6px rgba(255, 90, 60, .9));
}
.lift-floor {
  min-width: 3ch;
  font-family: 'Manrope', 'Helvetica Neue', Arial, sans-serif;
  font-size: clamp(1.4rem, 3.4vh, 2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .04em;
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: #ff6a4d;
  text-shadow: 0 0 12px rgba(255, 90, 60, .85);
}
.lift-display-logo { display: none; height: 70%; width: auto; }
#lift-intro.is-arrived .lift-floor, #lift-intro.is-arrived .lift-arrow { display: none; }
#lift-intro.is-arrived .lift-display-logo { display: block; }
#lift-intro.is-arrived .lift-display {
  border-color: rgba(240, 95, 64, .55);
  box-shadow: inset 0 0 18px rgba(0, 0, 0, .95), 0 0 34px rgba(240, 95, 64, .45);
}

/* ---------- Encadrement palier (montants, imposte, seuil) ---------- */
.lift-frame {
  --jamb: clamp(22px, 4.5vw, 72px);
  --transom: clamp(30px, 5.5vh, 60px);
  --sill: clamp(10px, 1.6vh, 16px);
  position: absolute;
  top: var(--lintel-h); left: 0; right: 0; bottom: 0;
  z-index: 2;
  transform-origin: 50% 55%;
  will-change: transform, opacity;
}
.lift-jamb {
  position: absolute;
  top: 0; bottom: 0;
  z-index: 5;
  width: var(--jamb);
}
.lift-jamb--l {
  left: 0;
  background: linear-gradient(90deg, #8e949c 0%, #d9dce1 38%, #eef0f2 52%, #bfc3c9 75%, #9aa0a7 100%);
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .25), 8px 0 16px -4px rgba(0, 0, 0, .35);
}
.lift-jamb--r {
  right: 0;
  background: linear-gradient(270deg, #8e949c 0%, #d9dce1 38%, #eef0f2 52%, #bfc3c9 75%, #9aa0a7 100%);
  box-shadow: inset 1px 0 0 rgba(0, 0, 0, .25), -8px 0 16px -4px rgba(0, 0, 0, .35);
}
.lift-transom {
  position: absolute;
  top: 0; left: var(--jamb); right: var(--jamb);
  z-index: 5;
  height: var(--transom);
  background: linear-gradient(180deg, #e6e8eb 0%, #cfd2d6 55%, #aeb3b9 100%);
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .3), 0 8px 16px -4px rgba(0, 0, 0, .35);
}
.lift-sill {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 5;
  height: var(--sill);
  background: linear-gradient(180deg, #c9cdd2 0%, #9da2a9 45%, #7a7f86 100%);
  border-top: 1px solid rgba(255, 255, 255, .6);
}
/* rainure de guidage des portes */
.lift-sill::after {
  content: "";
  position: absolute;
  left: var(--jamb); right: var(--jamb); top: 35%;
  height: 2px;
  background: rgba(0, 0, 0, .35);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .35);
}

/* ---------- Portes (satiné, en retrait dans l'encadrement) ---------- */
.lift-doors {
  position: absolute;
  top: var(--transom); left: var(--jamb); right: var(--jamb); bottom: var(--sill);
  z-index: 2;
  overflow: hidden; /* les portes s'effacent dans les montants */
}
/* ombre portée de l'encadrement sur les portes */
.lift-doors::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  box-shadow:
    inset 0 14px 20px -10px rgba(0, 0, 0, .45),
    inset 16px 0 22px -14px rgba(0, 0, 0, .4),
    inset -16px 0 22px -14px rgba(0, 0, 0, .4);
}
.lift-door {
  position: absolute;
  top: 0; bottom: 0;
  width: 50%;
  overflow: hidden;
  will-change: transform;
  /* Inox satiné : reflet doux au centre, bords plus sombres, brossage très léger */
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 4px),
    radial-gradient(ellipse 70% 58% at 50% 42%, #f7f8fa 0%, #dfe2e6 30%, #b9bdc4 65%, #8f949c 100%);
}
.lift-door--left { left: 0; box-shadow: inset -1px 0 0 rgba(0, 0, 0, .45), inset 1px 0 0 rgba(255, 255, 255, .5); }
.lift-door--right { right: 0; box-shadow: inset 1px 0 0 rgba(0, 0, 0, .45), inset -1px 0 0 rgba(255, 255, 255, .5); }
/* chanfrein lumineux sur le bord de fermeture */
.lift-door--left::before, .lift-door--right::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  z-index: 2;
  width: 3px;
  background: linear-gradient(90deg, rgba(255, 255, 255, .55), rgba(0, 0, 0, .15));
}
.lift-door--left::before { right: 1px; }
.lift-door--right::before { left: 1px; transform: scaleX(-1); }

/* Reflets des lumières de la gaine qui défilent (effet de vitesse) */
.lift-door::after {
  content: "";
  position: absolute;
  inset: -20% 0;
  z-index: 1;
  background: repeating-linear-gradient(180deg,
    transparent 0 220px,
    rgba(255, 255, 255, .06) 245px,
    rgba(255, 255, 255, .5) 260px,
    rgba(255, 255, 255, .06) 275px,
    transparent 300px);
  background-position: 0 var(--shaft);
  mix-blend-mode: soft-light;
  filter: blur(var(--blur));
  opacity: var(--reflect, 0);
}

/* Emblème A2P discret, coupé en deux par les portes */
.lift-emblem {
  position: absolute;
  top: 46%;
  z-index: 3;
  width: clamp(110px, 13vw, 170px);
  height: auto;
  opacity: .8;
  /* aspect gravé dans l'inox */
  filter: drop-shadow(0 1px 0 rgba(255, 255, 255, .6)) drop-shadow(0 -1px 0 rgba(0, 0, 0, .25));
}
.lift-door--left .lift-emblem { right: 0; transform: translate(50%, -50%); }
.lift-door--right .lift-emblem { left: 0; transform: translate(-50%, -50%); }

/* Filet de lumière au moment où les portes se décollent */
.lift-seam {
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  z-index: 3;
  width: 2px;
  margin-left: -1px;
  opacity: 0;
  background: linear-gradient(180deg, transparent, rgba(255, 244, 230, .95) 30%, rgba(255, 244, 230, .95) 70%, transparent);
  box-shadow: 0 0 22px 6px rgba(255, 214, 170, .55);
  pointer-events: none;
}

.lift-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 4;
  transform: translateX(-50%);
  padding: .4rem .9rem;
  border-radius: 999px;
  background: rgba(15, 17, 21, .55);
  color: rgba(255, 255, 255, .75);
  font: 500 .75rem 'Inter', sans-serif;
  letter-spacing: .04em;
  white-space: nowrap;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  #lift-intro { display: none; }
}