body {
  font-family: 'Georgia', serif;
  background: #f8f7f2;
  color: #262626;
  margin: 0;
  padding: 0;
  }
header {
  text-align: center;
  margin-bottom: 2em;
}
.logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5em;
  margin-bottom: 1em;
}
h1 {
  font-size: 1.7em;
  font-weight: 600;
  letter-spacing: .01em;
  margin-bottom: .7em;
  color: #24304A;
}
.lien-hypo {
  color: #2f529f;
  text-decoration: none;
  font-size: 1.1em;
}
.lien-hypo:hover {
  text-decoration: underline;
}
main {
  min-height: 400px;
}
ul {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 1.3em;
  align-items: center;
}
button {
  background: #ece7da;
  color: #24304A;
  font-size: 1.08em;
  border: 1px solid #b5a880;
  border-radius: 7px;
  padding: 0.5em 1.2em;
  cursor: pointer;
  transition: background 0.18s;
}
button:hover {
  background: #f6f1e6;
}
footer {
  text-align: center;
  margin-top: 3em;
  color: #7d776c;
  font-size: .97em;
  opacity: 0.92;
}
footer a {
  color: #2f529f;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
@media (max-width:600px){
  body { max-width: 97vw; margin: 1em; }
  .logos img { height: 33px !important; }
  h1 { font-size: 1.1em; }
  button { width: 96vw; }
}