/* Retour utilisateur du 2026-10-04 : "c'est surtout à utiliser sur mobile".
   Une carte et le début de la suivante rendent le défilement visible. */
.principe-carrousel { margin: 0 -24px; }
.principe-piste { display: flex; gap: 18px; overflow-x: auto; padding: 0 24px 16px; scroll-padding-left: 24px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.principe-piste::-webkit-scrollbar { display: none; }
.principe-piste::after { content: ""; flex: 0 0 max(0px, calc(100% - 336px)); }
.principe-etape { flex: 0 0 318px; min-width: 0; scroll-snap-align: start; }
.principe-entete { min-height: 140px; padding: 10px 0 14px; }
.principe-numero { font-size: 12px; color: var(--accent); }
.principe-entete h3 { font-size: 21px; font-weight: 500; line-height: 1.3; letter-spacing: -0.035em; margin: 9px 0; }
.principe-etape p { font-size: 13px; line-height: 1.65; color: var(--ink-muted); margin: 0; }
.principe-capture { display: block; padding: 7px; border: 1px solid var(--border); border-radius: 26px; background: var(--bg); text-decoration: none; overflow: hidden; }
.principe-capture img { display: block; width: 100%; height: auto; border-radius: 19px; aspect-ratio: 375 / 812; }
.principe-etape .principe-source { font-size: 11px; line-height: 1.6; padding: 12px 2px 0; min-height: 48px; }
.principe-proposition .principe-source { color: var(--accent); }
.principe-commandes { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 24px 20px; }
.principe-fleches { display: flex; gap: 8px; }
.principe-fleche { width: 44px; height: 44px; background: var(--surface); border: 1px solid var(--border); color: var(--ink); border-radius: 50%; font-size: 20px; cursor: pointer; }
.principe-fleche:disabled { opacity: 0.3; cursor: default; }
.principe-position { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--ink-muted); }
.principe-reperes { display: flex; }
.principe-repere { width: 44px; height: 44px; display: grid; place-items: center; border: 0; background: transparent; padding: 0; cursor: pointer; }
.principe-repere::before { content: ""; width: 5px; height: 5px; border-radius: 5px; background: var(--ink-muted); }
.principe-repere[aria-current="step"]::before { background: var(--accent); width: 13px; }
.principe-carrousel a:focus-visible, .principe-carrousel button:focus-visible, .principe-piste:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (max-width: 600px) {
  .principe-piste { gap: 16px; }
  .principe-piste::after { display: none; }
  .principe-etape { flex-basis: calc(100% - 28px); }
  .principe-entete { min-height: 150px; }
  .principe-reperes { display: none; }
  .principe-capture { padding: 6px; border-radius: 24px; }
  .principe-capture img { border-radius: 18px; }
}

.principe-note { padding: 0 24px; font-size: 11px; line-height: 1.6; color: var(--ink-muted); }