* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  min-height: 100vh;
  background-color: #000;
  color: #fff;
  position: relative;
  overflow: hidden;
}

/* image d'arrière-plan floutée et assombrie */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("images/aplan.jpeg") center/cover no-repeat;
  background-attachment: fixed;
  filter: blur(8px) brightness(0.55);
  transform: scale(1.03);
  z-index: -1;
}

.overlay {
  position: fixed;
  inset: 0;
  /* assombrit légèrement l'arrière-plan sans masquer l'image */
  background: rgba(0,0,0,0.35);
  z-index: 0;
}

.container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: auto;
  text-align: center;
  padding: 60px 20px;
  animation: fadeIn 1s ease;
}

h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}

/* Logo bicolore */
.logo-yeet { color: #000; }
.logo-pronos { color: #D4AF37; }

.slogan {
  font-style: italic;
  opacity: .85;
  margin-bottom: 40px;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  margin: 30px 0;
}

.btn {
  padding: 15px 25px;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: .3s;
}

.btn:hover {
  transform: translateY(-5px);
}

.facebook { background: #1877F2; }
.email { background: #D44638; }
.telegram { background: #229ED9; }

.alert {
  margin-top: 30px;
  /* texte en casse normale et couleur or adaptée */
  text-transform: none;
  font-weight: 600;
  color: #D4AF37;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(30px);}
  to {opacity: 1; transform: translateY(0);}
}