Modal

<style>
.bn-modal-demo {
  padding: 3rem;
  font-family: 'Inter', sans-serif;
  background: #0B0F10;
}

.bn-modal-demo__open {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background: #E6E4DD;
  color: #0B0F10;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Voir la Lightbox pour le détail du fonctionnement de ":target,
   .is-target" — même principe ici */
.bn-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;

  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;

  background: rgba(5, 8, 8, 0.85);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.bn-modal-overlay:target,
.bn-modal-overlay.is-target {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.bn-modal {
  position: relative;
  width: 100%;
  max-width: 380px;
  padding: 2rem;

  background: #050808;
  border: 1px solid rgba(230, 228, 221, 0.12);
  border-radius: 8px;
}

.bn-modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  color: #979793;
  text-decoration: none;
  font-size: 1rem;
}

.bn-modal__close:hover {
  color: #E6E4DD;
}

.bn-modal__kicker {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #979793;
  margin-bottom: 0.5rem;
}

.bn-modal__title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  color: #E6E4DD;
  margin: 0 0 0.75rem;
}

.bn-modal__text {
  color: #979793;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0 0 1.5rem;
}

.bn-modal__btn {
  color: #E6E4DD;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.bn-modal__btn:hover {
  text-decoration: underline;
}

</style>

<div class="bn-modal-demo">
  <a href="#bn-modal-1" class="bn-modal-demo__open">Ouvrir la modale</a>

  <div id="bn-modal-1" class="bn-modal-overlay">
    <div class="bn-modal">
      <a href="#" class="bn-modal__close" aria-label="Fermer">✕</a>
      <span class="bn-modal__kicker">Signal</span>
      <h3 class="bn-modal__title">Entre ombre et silence</h3>
      <p class="bn-modal__text">
        Une exploration du silence comme espace de révélation et de transformation.
      </p>
      <a href="#" class="bn-modal__btn">Voir le projet →</a>
    </div>
  </div>
</div>