/* =========================================================
   Wanimi Components — base (0.1.0)
   Convention:
   - .c-*  : composants
   - .is-* : variantes / états
   - .js-* : hooks JS
   ========================================================= */

/* ========= Component: Media Stack (2 images superposées) ========= */

.c-media-stack {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem) 0;

  /* variables (peuvent être surchargées au besoin) */
  --c-radius: 22px;
  --c-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
  --c-offset: 28px;
}

/* bulles décoratives (optionnelles) */
.c-media-stack::before,
.c-media-stack::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0.9;
}
.c-media-stack::before {
  left: -40px;
  top: -40px;
  width: 260px;
  height: 260px;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(120, 160, 255, 0.35),
    rgba(120, 160, 255, 0) 70%
  );
  filter: blur(1px);
}
.c-media-stack::after {
  left: 80px;
  top: -10px;
  width: 180px;
  height: 180px;
  background: radial-gradient(
    circle at 70% 30%,
    rgba(255, 190, 120, 0.25),
    rgba(255, 190, 120, 0) 70%
  );
  filter: blur(1px);
}

.c-media-stack__media {
  position: relative;
  min-height: clamp(280px, 40vw, 460px);
}

/* cartes */
.c-media-stack__main,
.c-media-stack__float {
  border-radius: var(--c-radius);
  overflow: hidden;
  box-shadow: var(--c-shadow);
}

/* layout */
.c-media-stack__main {
  max-width: 560px;
}
.c-media-stack__float {
  position: absolute;
  right: 0;
  bottom: 0;
  max-width: 320px;
}

/* ===== Animation layer (au scroll) ===== */
.c-media-stack__main,
.c-media-stack__float {
  opacity: 0;
  transform: translateX(0);
  transition:
    opacity 0.6s ease,
    transform 0.7s ease;
  will-change: transform, opacity;
}

/* direction "left-right" */
.c-media-stack[data-anim="lr"] .c-media-stack__main {
  transform: translateX(calc(-1 * var(--c-offset)));
}
.c-media-stack[data-anim="lr"] .c-media-stack__float {
  transform: translateX(var(--c-offset));
}

@media (prefers-reduced-motion: reduce) {
  .c-media-stack__main,
  .c-media-stack__float {
    transition: none;
    transform: none !important;
    opacity: 1;
  }
}

/* état activé (quand visible) */
.c-media-stack.is-inview .c-media-stack__main {
  opacity: 1;
  transform: translateX(0);
}
.c-media-stack.is-inview .c-media-stack__float {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.12s;
}

/* mobile : on empile */
@media (max-width: 720px) {
  .c-media-stack__media {
    min-height: auto;
  }
  .c-media-stack__float {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 1rem;
    max-width: 100%;
  }
  .c-media-stack__main {
    max-width: 100%;
  }
}