/* Utilitaires légers */

/* Centrer un bloc dans son conteneur et limiter la largeur */
.container--narrow {
  max-width: 820px;
  margin-inline: auto;
}

/* Centrage */
.u-center {
  display: grid;
  place-items: center;
}

.u-text-center { text-align: center; }
.u-muted { color: var(--color-muted, #6b7280); }

/* Rythme vertical: ajoute un espace entre les éléments frères */
.flow > * + * {
  margin-top: var(--space-4, 1rem);
}

/* Ombre au survol */
.shadow-hover {
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.shadow-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 2px 10px rgba(0,0,0,0.08));
}

/* Visually hidden pour l’accessibilité */
.visually-hidden,
.sr-only {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  border: 0; padding: 0; margin: -1px;
}

/* Flexbox utilitaires */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-row { display: flex; flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2, 0.5rem); }
.gap-4 { gap: var(--space-4, 1rem); }
.gap-6 { gap: var(--space-6, 1.5rem); }

/* Grilles rapides */
.grid-2 { display: grid; gap: var(--space-6, 1.5rem); grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: var(--space-6, 1.5rem); grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: var(--space-6, 1.5rem); grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Piles verticales */
.stack > * + * { margin-top: var(--space-4, 1rem); }
.stack-sm > * + * { margin-top: var(--space-3, 0.75rem); }
.stack-lg > * + * { margin-top: var(--space-6, 1.5rem); }

/* Espacements rapides */
.mt-0 { margin-top: 0 !important; }
.mt-4 { margin-top: var(--space-4, 1rem) !important; }
.mt-8 { margin-top: var(--space-8, 2rem) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4, 1rem) !important; }
.mb-8 { margin-bottom: var(--space-8, 2rem) !important; }

/* Largeurs utiles */
.max-w-prose { max-width: 65ch; }
.max-w-wide { max-width: var(--container-max, 1100px); }
.w-full { width: 100%; }

/* Groupes de boutons */
.btn-group {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Grilles rapides */
.grid-2 { display: grid; gap: var(--space-6, 1.5rem); grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: var(--space-6, 1.5rem); grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: var(--space-6, 1.5rem); grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Piles verticales */
.stack > * + * { margin-top: var(--space-4, 1rem); }
.stack-sm > * + * { margin-top: var(--space-3, 0.75rem); }
.stack-lg > * + * { margin-top: var(--space-6, 1.5rem); }

/* Espacements rapides */
.mt-0 { margin-top: 0 !important; }
.mt-4 { margin-top: var(--space-4, 1rem) !important; }
.mt-8 { margin-top: var(--space-8, 2rem) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4, 1rem) !important; }
.mb-8 { margin-bottom: var(--space-8, 2rem) !important; }

/* Largeurs utiles */
.max-w-prose { max-width: 65ch; }
.max-w-wide { max-width: var(--container-max, 1100px); }
.w-full { width: 100%; }

/* Groupes de boutons */
.btn-group {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}