:root {
  --primary-color: #6e45e2;
  --secondary-color: #88d3ce;
  --text-color: #333;
  --background-color: #fff;
  --card-background: #f5f5f5;
  --animation-timing: ease-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

section {
  padding: 4rem 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

h2 {
  margin-bottom: 2rem;
  text-align: center;
}

/* En-tête */
.animated-header {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
}

/* Cartes rotatives */
.cards-container {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.card {
  width: 300px;
  height: 200px;
  perspective: 1000px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  border: 30px solid rgba(255, 0, 0, 0);
  border-radius: 15px;
  transition: transform 3s, border 5s, opacity 1s;
}

.card:hover .card-inner {
  transition: transform 1s, border 1s;
  transform: rotateY(180deg) rotateZ(45deg);
  border: 30px solid rgba(255,0,0,1);
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--card-background);
  border-radius: 10px;
  padding: 1rem;
}

.card-back {
  transform: rotateY(180deg);
  background-color: var(--primary-color);
  color: white;
}

/* Icônes pulsantes */
.icons-container {
  display: flex;
  gap: 2rem;
  font-size: 2rem;
}

/* Loader */
.loader {
  display: flex;
  gap: 1rem;
}

/* Menu Burger */
.burger-menu {
  cursor: pointer;
  padding: 1rem;
}

.burger-icon {
  width: 30px;
  height: 20px;
  position: relative;
}

.burger-icon span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--text-color);
  position: absolute;
  transition: all 0.3s;
}

.burger-icon span:nth-child(1) { top: 0; }
.burger-icon span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.burger-icon span:nth-child(3) { bottom: 0; }

/* Parallax */
.parallax-section {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%; /* Un peu plus grand que le conteneur pour éviter les espaces vides */
  background-image: url('../background.webp');
  background-size: cover;
  background-position: center;
  transform: translateY(0);
  will-change: transform; /* Optimisation des performances */
  transition: transform 0.1s var(--animation-timing);
}

.parallax-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
  color: white;
  text-align: center;
  /* Ajoutez un fond semi-transparent si nécessaire */
  background-color: rgba(0, 0, 0, 0.5);
}


/* Boutons animés */
.buttons-container {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.animated-btn {
  padding: 1rem 2rem;
  border: 2px solid var(--primary-color);
  background: none;
  color: var(--primary-color);
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

/* Media Queries */
@media (max-width: 768px) {
  .cards-container {
    flex-direction: column;
  }

  .icons-container {
    flex-wrap: wrap;
  }
}