.alerte {
  font-size: 15px;
  font-style: italic;
  padding: 0 1rem;
}

.complement {
  font-size: 10px;
  font-style: italic;
}

.introduction {
  padding-top: 50px;
}

.introduction,
.alerte,
.complement {
  max-width: 800px;
  margin: 0 auto;
  text-align: justify;
}

.grid {
  margin: 2rem auto;     /* centrage horizontal */
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  padding: 1rem;
  max-width: min(1000px, 90vw);
}

@media (max-width: 560px) {
  .grid {
    margin: 20px;
    grid-template-columns: 1fr;
  }
  .introduction {
  padding-top: 10px;
  }
  .alerte {
    font-size: 8px;
  }
}

.tile {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  text-align: center;
  padding: 1em;
  transition: transform 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.tile:hover {
  transform: scale(1.05);
}

.tile img {
  height: 64px;
  width: auto;
  margin-bottom: 0.5em;
}

.tile div {
  font-size: clamp(0.9rem, 2.5vw, 1.3rem);
  font-weight: 600;
}
