.welcome-offer {
  max-width: 1180px;
  margin: 54px auto 0;
  padding: 26px 34px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  background: #21161c;
  color: white;
  border-radius: 20px;
}
.offer-star { font-size: 2.4rem; color: #ff2b93; }
.welcome-offer div { display: flex; flex-direction: column; }
.welcome-offer small { text-transform: uppercase; letter-spacing: .15em; color: #ff99c6; font-weight: 700; }
.welcome-offer strong { font-family: "Playfair Display", serif; font-size: clamp(1.35rem, 2.5vw, 2.1rem); line-height: 1.2; }
.welcome-offer button { border: 1px solid #6c5862; background: transparent; color: white; border-radius: 999px; padding: 12px 20px; font-weight: 700; }
@media (max-width: 650px) {
  .welcome-offer { margin: 32px 20px 0; padding: 24px; grid-template-columns: auto 1fr; }
  .welcome-offer button { grid-column: 1 / -1; }
}

/* Carte tarifaire complète : trois colonnes, puis deux cartes équilibrées. */
.service-grid { grid-template-columns: repeat(6, 1fr); }
.service-card { grid-column: span 2; min-height: 480px; }
.service-card:nth-child(4),
.service-card:nth-child(5) { grid-column: span 3; min-height: 410px; }
@media (max-width: 980px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card,
  .service-card:nth-child(4),
  .service-card:nth-child(5) { grid-column: span 1; }
  .service-card:nth-child(5) { grid-column: 1 / -1; }
}
@media (max-width: 650px) {
  .service-grid { grid-template-columns: 1fr; }
  .service-card,
  .service-card:nth-child(4),
  .service-card:nth-child(5) { grid-column: 1; min-height: 0; }
}