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

/* STRUCTURE GÉNÉRALE */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #e6f0fa; /* bleu clair */
}

/* HEADER */
header {
  background-color: #ffffff;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
}

header img {
  max-height: 200px;
}

/* CONTENU CENTRAL */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.maintenance-box {
  background-color: #ffffff;
  max-width: 520px;
  width: 100%;
  padding: 40px;
  text-align: center;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #1f2933;
}

p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #374151;
}

/* SÉPARATEUR */
.separator {
  width: 60px;
  height: 3px;
  background-color: #3b82f6;
  margin: 25px auto;
}

/* CONTACT */
.contact a {
  color: #2563eb;
  text-decoration: none;
  font-weight: bold;
}

.contact a:hover {
  text-decoration: underline;
}

/* FOOTER */
footer {
  background-color: #ffffff;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #6b7280;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
}