/* ========================================
   Modal — système générique L'heure bleue
   Animation multi-layer : backdrop blur + fade,
   card scale-up + translateY, contenu cascadé.
   ======================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  pointer-events: none;
  visibility: hidden;
}

.modal[aria-hidden="false"] {
  pointer-events: auto;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(26, 42, 58, 0.55);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  opacity: 0;
  transition: opacity 0.45s ease, backdrop-filter 0.45s ease, -webkit-backdrop-filter 0.45s ease;
}

.modal[aria-hidden="false"] .modal__backdrop {
  opacity: 1;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal__dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - var(--space-2xl));
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(26, 42, 58, 0.28), 0 4px 12px rgba(26, 42, 58, 0.12);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.92) translateY(24px);
  opacity: 0;
  transition:
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.35s ease;
}

.modal[aria-hidden="false"] .modal__dialog {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-divider);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  font-size: 20px;
  line-height: 1;
  transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
  box-shadow: var(--shadow-card);
}

.modal__close:hover,
.modal__close:focus-visible {
  background-color: var(--color-blue-deep-aa);
  color: var(--color-white);
  transform: rotate(90deg);
  outline: none;
}

.modal__close svg {
  width: 16px;
  height: 16px;
}

.modal__body {
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  scrollbar-width: thin;
  scrollbar-color: var(--color-blue-deep-aa) var(--color-cream);
}

.modal__body::-webkit-scrollbar { width: 6px; }
.modal__body::-webkit-scrollbar-track { background: var(--color-cream); }
.modal__body::-webkit-scrollbar-thumb {
  background-color: var(--color-blue-deep-aa);
  border-radius: 3px;
}

/* Cascade reveal interne : les enfants du body apparaissent en stagger */
.modal[aria-hidden="false"] .modal__body > * {
  animation: modal-cascade 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.modal[aria-hidden="false"] .modal__body > *:nth-child(1) { animation-delay: 0.15s; }
.modal[aria-hidden="false"] .modal__body > *:nth-child(2) { animation-delay: 0.22s; }
.modal[aria-hidden="false"] .modal__body > *:nth-child(3) { animation-delay: 0.29s; }
.modal[aria-hidden="false"] .modal__body > *:nth-child(4) { animation-delay: 0.36s; }
.modal[aria-hidden="false"] .modal__body > *:nth-child(5) { animation-delay: 0.43s; }
.modal[aria-hidden="false"] .modal__body > *:nth-child(6) { animation-delay: 0.50s; }
.modal[aria-hidden="false"] .modal__body > *:nth-child(n+7) { animation-delay: 0.55s; }

@keyframes modal-cascade {
  from {
    opacity: 0;
    transform: translateY(14px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* Contenus formations — structure attendue */
.modal__kicker {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-blue-deep-aa);
  margin-bottom: var(--space-xs);
}

.modal__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-regular);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  line-height: var(--leading-tight);
}

.modal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-divider);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.modal__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.modal__meta-item strong {
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.modal__content p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.modal__content p:last-child { margin-bottom: 0; }

.modal__content em {
  color: var(--color-blue-deep-aa);
  font-style: italic;
}

/* Lock scroll body quand modal ouverte */
body.modal-open {
  overflow: hidden;
}

/* prefers-reduced-motion — respect strict */
@media (prefers-reduced-motion: reduce) {
  .modal__backdrop,
  .modal__dialog,
  .modal__close {
    transition: opacity 0.2s ease, visibility 0.2s ease !important;
  }

  .modal__dialog { transform: none !important; }
  .modal__close:hover { transform: none !important; }

  .modal[aria-hidden="false"] .modal__body > * {
    animation: none !important;
  }
}

@media (min-width: 768px) {
  .modal__body {
    padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
  }
  .modal__title {
    font-size: var(--text-3xl);
  }
}