body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: "Roboto", sans-serif;
  position: relative;
  overflow: hidden;
}

body::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle,
    rgba(70, 106, 120, 0.2) 0%,
    rgba(148, 187, 233, 0.5) 100%
  );
  z-index: 1;
}

.logo {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  height: auto;
  width: 500px;
  z-index: 10;
}

.accueil {
  position: relative;
  z-index: 5;
  text-align: center;
  animation: slide-up 1.5s ease-out;
  margin: 0;
  padding: 0;
}

.contenu {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: nowrap;
  flex-wrap: nowrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: nowrap;
  padding: 20px;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  width: calc(100% - 40px);
  margin: 0 auto;
}

.paire {
  flex: 1;
  max-width: 48%;
  text-align: center;
  margin: 0;
}

.texte {
  font-style: italic;
  color: white;
  margin: 5px 0;
  line-height: 1.5rem;
}

.btn-container {
  display: flex;
  display: -webkit-flex;
  justify-content: center;
  width: 100%;
  margin-top: 20px;
}

.btn {
  text-align: center;
  background-color: transparent;
  color: white;
  padding: 10px 20px;
  border: 1px solid white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  text-decoration: none;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

@media (max-width: 768px) {
  .logo {
    max-width: 400px;
    top: 10px;
  }

  .contenu {
    padding: 15px 0px;
    height: 100%;
    line-height: 2rem;
    margin-left: 0;
    margin-right: 0;
  }

  .texte {
    font-size: 1rem;
  }

  .btn {
    padding: 8px 15px;
    font-size: 0.9rem;
  }
}