/* 032 — Flip Card
   Retournement 3D au survol (et au focus clavier) : recto/verso stylés,
   profondeur translateZ sur le contenu, easing avec léger overshoot. */

.flip-card {
  width: min(270px, 100%);
  height: 184px;
  perspective: 1200px;
  cursor: pointer;
  outline: none;
}

.flip-card__pivot {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  /* Overshoot léger : dépasse ~180° puis se pose */
  transition: transform 0.8s cubic-bezier(0.34, 1.28, 0.36, 1);
}

.flip-card:hover .flip-card__pivot,
.flip-card:focus-visible .flip-card__pivot,
.flip-card:focus-within .flip-card__pivot {
  transform: rotateY(180deg);
}

.flip-card__face {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  border: 1px solid rgba(124, 140, 255, 0.18);
}

.flip-card__face--front {
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(124, 140, 255, 0.18), transparent 55%),
    linear-gradient(160deg, rgba(232, 234, 242, 0.06), rgba(232, 234, 242, 0.01) 45%),
    var(--ml-surface, #151a24);
  box-shadow:
    0 18px 36px -18px rgba(4, 7, 16, 0.85),
    inset 0 1px 0 rgba(232, 234, 242, 0.07);
}

.flip-card__face--back {
  transform: rotateY(180deg);
  background:
    radial-gradient(130% 100% at 15% 110%, rgba(45, 212, 191, 0.2), transparent 60%),
    linear-gradient(160deg, rgba(124, 140, 255, 0.22), rgba(124, 140, 255, 0.05) 55%),
    var(--ml-surface, #151a24);
  box-shadow:
    0 18px 36px -18px rgba(4, 7, 16, 0.85),
    inset 0 1px 0 rgba(232, 234, 242, 0.12);
}

/* Le contenu flotte devant la face : profondeur pendant la rotation */
.flip-card__depth {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: 18px;
  transform: translateZ(var(--flip-card-depth, 32px));
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Contenu de démo */
.flip-card__eyebrow {
  margin: 0 0 4px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ml-accent, #7c8cff);
}

.flip-card__face--back .flip-card__eyebrow {
  color: var(--ml-accent-2, #2dd4bf);
}

.flip-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--ml-fg, #e8eaf2);
}

.flip-card__hint {
  margin: 0;
  font-size: 11.5px;
  color: var(--ml-muted, #8b91a3);
}

.flip-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ml-fg, #e8eaf2);
}

.flip-card__list-item::before {
  content: "→ ";
  color: var(--ml-accent-2, #2dd4bf);
}

.flip-card__cta {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--ml-accent-2, #2dd4bf);
}

@media (prefers-reduced-motion: reduce) {
  /* Pas de grande rotation : simple fondu croisé entre les faces */
  .flip-card__pivot,
  .flip-card:hover .flip-card__pivot,
  .flip-card:focus-visible .flip-card__pivot,
  .flip-card:focus-within .flip-card__pivot {
    transform: none;
    transition: none;
  }

  .flip-card__face {
    transition: opacity 0.25s linear;
  }

  .flip-card__face--back {
    transform: none;
    opacity: 0;
  }

  .flip-card:hover .flip-card__face--back,
  .flip-card:focus-visible .flip-card__face--back,
  .flip-card:focus-within .flip-card__face--back {
    opacity: 1;
  }

  .flip-card:hover .flip-card__face--front,
  .flip-card:focus-visible .flip-card__face--front,
  .flip-card:focus-within .flip-card__face--front {
    opacity: 0;
  }

  .flip-card__depth {
    transform: none;
  }
}