.calculateur-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  padding: 30px;
  border-radius: 10px;
  position: relative;
}

.calculateur-gauche,
.calculateur-droite {
  width: 48%;
}

.calculateur-gauche h2 {
  font-size: 32px;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.calculateur-gauche p {
  font-size: 14px;
  color: #ccc;
  margin-bottom: 20px;
}

.calculateur-gauche input,
.calculateur-gauche select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid #fff;
  color: #fff;
  padding: 10px 0;
  margin-bottom: 20px;
  font-size: 14px;
}

.calculateur-gauche select {
  appearance: none;
  background: transparent;
  color: #fff;
}

.calculateur-gauche button {
  background-color: #ad823a;
  color: #fff;
  border: none;
  border-radius: 25px;
  padding: 12px 30px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  text-transform: uppercase;
  transition: background 0.3s;
}

.calculateur-gauche button:hover {
  background-color: #c30512;
}

.calculateur-droite h2 {
  font-size: 48px;
  color: #fff;
  margin-bottom: 10px;
  text-align: center;
  padding-bottom: 20px;
}

.resultat-calories {
  font-size: 100px;
  font-weight: lighter;
  color: #fff;
  text-align: center;
}

/* Placeholder styling */
input::placeholder {
  color: #ccc;
}

/* Background overlay (optional) */
.calculateur-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("chemin-vers-votre-image-de-fond.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: -1;
}
.calculateur-gauche input[type="number"] {
  background-color: transparent;
  color: #fff;
  padding: 12px;
  margin-bottom: 20px;
  font-size: 14px;
  border-radius: 3px;
  border: none;
  border-bottom-width: medium;
  border-bottom-style: none;
  border-bottom-color: currentcolor;
  box-shadow: none;
  border-bottom: 1px solid white;
}

.calculateur-gauche input[type="number"]::placeholder {
  color: #aaa;
}

.calculateur-gauche input[type="number"]:focus {
  outline: none;
  box-shadow: none;
}

select {
  background: transparent;
  color: #fff;
  border: none;
  border-bottom: 1px solid #fff;
  padding: 10px 0;
  font-size: 14px;
  margin-bottom: 20px;
  appearance: none;
  border-radius: 0;
}
@media (max-width: 768px) {
  .calculateur-container {
    flex-direction: column;
    padding: 20px 15px;
  }

  .calculateur-gauche,
  .calculateur-droite {
    width: 100%;
    margin-bottom: 30px;
  }

  .calculateur-droite h2 {
    font-size: 32px;
  }

  .resultat-calories {
    font-size: 60px;
  }

  .calculateur-gauche h2 {
    font-size: 24px;
  }

  .calculateur-gauche p {
    font-size: 13px;
  }

  .calculateur-gauche button {
    width: 100%;
    font-size: 14px;
  }
}