body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #f7f7f7;
}

header img {
  display: block;
  width: 100%;
  height: auto;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px;
  background: #fff;
}

h1 {
  color: #e40046;
  font-size: 32px;
  line-height: 1.2;
}

h2 {
  color: #e40046;
  margin-top: 30px;
}

.intro {
  font-size: 22px;
}

.formulaire {
  margin-top: 35px;
  padding: 25px;
  background: #f1f1f1;
  border-radius: 8px;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 16px;
}

button {
  margin-top: 20px;
  padding: 14px 22px;
  border: 0;
  border-radius: 5px;
  background: #e40046;
  color: white;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #b90039;
}