*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:"Marianne","Segoe UI",Roboto,Arial,sans-serif
}

body{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:2rem;
  background:linear-gradient(180deg,#0b1c2d,#0f172a)
}

.bouton{
  display:inline-block;
  padding:1rem 2.2rem;
  text-decoration:none;
  color:#ffffff;
  font-size:.9rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.08em;
  border-radius:8px;
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  box-shadow:0 10px 25px rgba(0,0,0,.5);
  transition:transform .2s,box-shadow .2s
}

.bouton:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(37,99,235,.55)
}

.bouton:nth-child(2){
  background:linear-gradient(135deg,#7f1d1d,#dc2626)
}

.bouton:nth-child(2):hover{
  box-shadow:0 14px 30px rgba(220,38,38,.55)
}

@media(max-width:600px){
  body{
    flex-direction:column
  }
  .bouton{
    width:80%;
    text-align:center
  }
}