.fancy-btn {
  background: linear-gradient(180deg, #c14b4b 0%, #9e3030 100%);
  border: 4px solid #893636;
  border-radius: 14px;
  box-shadow:
    0 2px 0 0 #d1978c,
    0 6px 0 0 #6d2424,
    0 8px 8px 0 rgba(0,0,0,0.3);
  color: #fff;
  font-family: "Times New Roman", Times, serif;
  font-size: 2rem;
  font-weight: bold;
  padding: 18px 55px;
  cursor: pointer;
  text-shadow: 1px 2px 3px #762e2e, 0 2px 0 #fff2;
  letter-spacing: 1px;
  outline: none;
  transition: filter 0.2s;
}

.fancy-btn:hover,
.fancy-btn:focus {
  filter: brightness(1.07);
  box-shadow:
    0 2px 0 0 #ffc3b6,
    0 8px 8px 0 rgba(0,0,0,0.35);
}

/* Effet d’encadrement externe */
.fancy-btn {
  box-sizing: border-box;
  border-width: 4px;
  border-style: solid;
  border-color: #864f44;
  background-clip: padding-box;
}