* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #222;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #17232E;
  color: white;
}

header p {
  font-weight: bold;
  font-size: 1.2rem;
}

header nav {
  display: flex;
  gap: 1.5rem;
}

header nav a {
  color: white;
  text-decoration: none;
}

.valeurs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  list-style: none;
  margin-top: 1rem;
}

.valeurs li {
  background-color: #F7F9FB;
  border: 1px solid #CBD5DE;
  border-radius: 8px;
  padding: 1.5rem;
}

.equipe {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.equipe article {
  background-color: #F7F9FB;
  border: 1px solid #CBD5DE;
  border-radius: 8px;
  padding: 1.5rem;
}

.offre {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  list-style: none;
  margin-top: 1rem;
}

.offre li {
  background-color: #F7F9FB;
  border: 1px solid #CBD5DE;
  border-radius: 8px;
  padding: 1.5rem;
}

.modules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.modules section {
  background-color: #F7F9FB;
  border: 1px solid #CBD5DE;
  border-radius: 8px;
  padding: 1.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
}

form label {
  font-weight: bold;
}

form input,
form textarea {
  padding: 0.5rem;
  border: 1px solid #CBD5DE;
  border-radius: 4px;
  font-family: inherit;
}

form button {
  align-self: flex-start;
  padding: 0.5rem 1.5rem;
  background-color: #17232E;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  header nav {
    flex-wrap: wrap;
  }

  .valeurs,
  .offre,
  .equipe,
  .appropublic {
    grid-template-columns: 1fr;
  }
}