.banniere-anniversaire {
  background: linear-gradient(135deg, #ff6ec4, #7873f5);
  padding: 60px 20px;
  text-align: center;
  color: white;
  animation: slideDown 1.5s ease-out;
  border-bottom: 5px solid white;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  position: relative;
  overflow: hidden;
}

/* Texte stylisé */
.banniere-anniversaire h1 {
  font-size: 3em;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px #00000050;
}

.banniere-anniversaire p {
  font-size: 1.4em;
  font-weight: 300;
  max-width: 800px;
  margin: 0 auto;
}

/* Animation d’apparition de la bannière */
@keyframes slideDown {
  from {
    transform: translateY(-100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.confetti {
  position: fixed;
  top: -10px;
  width: 10px;
  height: 10px;
  background-color: red;
  opacity: 0.9;
  z-index: 9999;
  border-radius: 50%;
  animation: fall linear forwards;
}

@keyframes fall {
  to {
    transform: translateY(100vh) rotateZ(360deg);
    opacity: 0;
  }
}
.carrousel-container {
  width: 100%;
  overflow: hidden;
  margin: 80px auto;
  padding: 20px 0;
}
.carrousel {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  transition: transform 0.8s ease;
  position: relative;
}

.carte {
  position: relative;
  width: 200px;
  height: 300px;
  background: linear-gradient(135deg, #ffb6c1, #c084f5);
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  text-align: center;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.8s ease, filter 0.5s ease;
  flex-shrink: 0;
  text-decoration: none;
  color: white;
}

.carte img {
  width: 100%;
  height: 70%;
  object-fit: cover;
  border-bottom: 2px solid #fff;
}

.carte .description {
  padding: 15px;
  font-size: 1.1em;
  font-weight: 500;
  text-shadow: 1px 1px 2px #00000070;
}

.carte:not(.active) {
  transform: scale(0.9) translateY(20px);
  filter: blur(2px) brightness(0.8);
  z-index: 1;
}

.carte.active {
  transform: scale(1.1);
  filter: none;
  z-index: 2;
  box-shadow: 0 12px 40px rgba(255, 105, 180, 0.6);
}

.cadeaux-section {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(to bottom right, #ffe6f0, #fff0f5);
  }

  .cadeaux-section h2 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
    color: #d63384;
  }

  .cadeaux-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
  }

  .cadeau {
    width: 100px;
    height: 100px;
    background-image: url('https://cdn-icons-png.flaticon.com/512/679/679720.png'); /* image cadeau */
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease;
    position: relative;
  }

  .cadeau:hover {
    transform: scale(1.1);
  }

  .cadeau.open {
    background-image: none;
    background-color: #fff;
    border: 2px dashed #d63384;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
  }

  .cadeau.open p {
    font-size: 14px;
    color: #d63384;
    font-weight: bold;
    animation: fadeIn 0.6s ease-in;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
  }