.btn {
  border: none;
  background: transparent;
  color: #ccc;
  overflow: clip;
  display: inline;
  font-size: 18px;
  width: 7rem;
  font-weight: 450;
}

.btn:hover {
  cursor: pointer;
  background-color: #2dd2ff;
  border-radius: 25px;
  color: black;
}

.btn-gradient {
  padding: 10px 30px;
  font-size: 18px;
}

.logo_header:hover {
  cursor: pointer;
}

.div_header_index {
  display: flex;
  flex-direction: row;
  gap: 0.3rem;
  margin-top: 2%;
}

@media (max-width: 1075px) {
  .div_header_index {
    display: none;
  }
}

.div_header {
  display: flex;
  flex-direction: row;
  gap: 0.3rem;
}

@media (max-width: 500px) {
  .div_header {
    flex-direction: column;
  }
}

.div_reserver {
  padding: 8px 22px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn_reserver {
  background: linear-gradient(90deg, #28d5cc 0%, #0a3331 100%);
  border-style: none;
  font-size: 24px;
  padding: 5px 20px;
  width: 160px;
  font-weight: bold;
  color: white;
  margin-left: 42.5%;
}

.btn_reserver:hover {
  background: linear-gradient(90deg, #28d5cc 0%, #0a3331 100%);
  color: black;
  text-decoration: underline;
  animation-timing-function: ease-in-out;
}

.btn_savoir_plus {
  padding: 16px;
  width: 45%;
}

@media (max-width: 385px) {
  .btn_savoir_plus {
    width: 52%;
  }
}

@media (min-width: 385px) and (max-width: 520px) {
  .btn_savoir_plus {
    width: 50%;
  }
}

@media (min-width: 770px) and (max-width: 995px) {
  .btn_savoir_plus {
    width: 50%;
  }
}

.holographic-button {
  width: 180px;
  height: 70px;
  margin-left: 42.5%;
  background: linear-gradient(90deg, #28d5cc 0%, #0a3331 100%);
  border: none;
  border-radius: 15px;
  color: white;
  font-size: 24px;
  transition: all 0.5s ease;
}

.holographic-button span {
  position: relative;
  z-index: 2;
}

.holographic-button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.holographic-button:hover::before {
  opacity: 1;
  transform: rotate(-45deg) translateY(100%);
}

#connaissance_btn {
  background: linear-gradient(90deg, #28d5cc 0%, #0a3331 100%);
  color: white;
  border-style: none;
  font-size: 24px;
  padding: 5px 20px;
  width: 180px;
  height: 70px;
  transition: all 0.5s ease;
}

#connaissance_btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.btn_demo {
  background-color: #2dd2ff;
  border-radius: 25px;
  color: black;
}

.btn_demo:hover {
  cursor: pointer;
  background-color: #3fb1db;
}

.simulation {
  width: 100%;
  height: auto;
  border: solid 5px;
  border-radius: 30px;
}

.simulation_img_1 {
  border-color: #3fb1db;
}

.simulation_img_2 {
  border-color: #28d5cc;
}