/* AL Connect - Couche immersive additive, sans changement de charte. */
:root {
  --immersive-focus: #87364f;
  --immersive-focus-ring: 0 0 0 3px #fffaf7, 0 0 0 6px #87364f;
  --immersive-ease: cubic-bezier(.22, .61, .36, 1);
}

/* Les galeries tactiles conservent leur défilement local sans élargir la page. */
html, body { overflow-x: clip; }

[data-immersive="hero"] { isolation: isolate; }

.immersive-canvas {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  opacity: .52;
  mix-blend-mode: multiply;
}

[data-immersive="hero"] > :not(.immersive-canvas) { position: relative; z-index: 1; }

.immersive-ready [data-immersive-reveal] { will-change: transform, opacity; }
.immersive-ready [data-immersive-reveal].is-immersive-entering {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
}
.immersive-ready [data-immersive-reveal].is-immersive-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: opacity 420ms var(--immersive-ease), transform 420ms var(--immersive-ease);
}

[data-immersive-card], [data-immersive-action], [data-immersive-media] {
  --immersive-card-x: 0px;
  --immersive-card-y: 0px;
  --immersive-card-rotate-x: 0deg;
  --immersive-card-rotate-y: 0deg;
  transition: transform 180ms var(--immersive-ease), box-shadow 180ms var(--immersive-ease), border-color 180ms var(--immersive-ease), background-color 180ms var(--immersive-ease);
}

@media (hover: hover) and (pointer: fine) {
  [data-immersive-card]:hover,
  [data-immersive-card]:focus-visible,
  [data-immersive-action]:hover,
  [data-immersive-action]:focus-visible { transform: translate3d(0, -2px, 0); }
  [data-immersive-media]:hover { transform: translate3d(0, -3px, 0); }

  [data-immersive-card].is-immersive-tactile {
    transform: perspective(760px) translate3d(var(--immersive-card-x), var(--immersive-card-y), 0) rotateX(var(--immersive-card-rotate-x)) rotateY(var(--immersive-card-rotate-y));
    box-shadow: 0 18px 36px rgba(72, 45, 40, .18);
  }

  [data-immersive-card]:focus-within { box-shadow: 0 14px 30px rgba(72, 45, 40, .16); }
}

/* Le hero reste lisible, mais ses formes existantes vivent aussi sans WebGL. */
@media (prefers-reduced-motion: no-preference) {
  [data-immersive="hero"]::before { animation: immersive-hero-drift-left 13s ease-in-out infinite; }
  [data-immersive="hero"]::after { animation: immersive-hero-drift-right 16s ease-in-out infinite; }
}

@keyframes immersive-hero-drift-left {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-12deg); }
  50% { transform: translate3d(20px, 12px, 0) rotate(-7deg); }
}

@keyframes immersive-hero-drift-right {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(8deg); }
  50% { transform: translate3d(-22px, 15px, 0) rotate(3deg); }
}

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--immersive-focus);
  outline-offset: 3px;
  box-shadow: var(--immersive-focus-ring);
}

[data-immersive-action], [data-showcase-toggle], .motion-toggle { min-width: 44px; min-height: 44px; }

/* La ligne reste purement décorative : les cinq étapes gardent leur lecture HTML. */
[data-safety-method] .grid-3 { position: relative; }
@media (min-width: 768px) {
  [data-safety-method] .grid-3::before {
    content: "";
    position: absolute;
    z-index: 0;
    top: 2.1rem;
    right: 8%;
    left: 8%;
    height: 1px;
    background: rgba(135, 54, 79, .22);
  }
  [data-safety-method] .grid-3 > * { position: relative; z-index: 1; }
}

/* Une évocation discrète du rythme quotidien, sans image ni interaction. */
[data-calendar-grid] {
  background-image: linear-gradient(rgba(135, 54, 79, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(135, 54, 79, .06) 1px, transparent 1px);
  background-size: 2rem 2rem;
}

@media (prefers-reduced-motion: reduce) {
  .immersive-canvas { display: none !important; }
  .immersive-ready [data-immersive-reveal],
  .immersive-ready [data-immersive-reveal].is-immersive-entering,
  .immersive-ready [data-immersive-reveal].is-immersive-visible,
  [data-immersive-card], [data-immersive-action], [data-immersive-media] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

@media (max-width: 767px) { .immersive-canvas { display: none; } }