body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: url('background.png') center/cover no-repeat fixed;
  min-height: 100vh;
  color: #222;
}

.container {
  background: rgba(255, 255, 255, 0.95);
  max-width: 800px; /* Largeur augmentée */
  margin: 40px auto;
  border-radius: 14px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.11);
  padding: 40px 32px; /* Padding augmenté */
}

h1 {
  color: #0a2c4d;
  margin-bottom: 24px;
  text-align: center;
}

.btn {
  display: inline-block;
  background: #f77b1e;
  color: #fff;
  border: none;
  padding: 16px 32px; /* Plus grand */
  border-radius: 8px;
  font-size: 1.15em;
  cursor: pointer;
  margin-top: 20px;
  text-decoration: none;
  text-align: center;
  transition: background 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.btn:hover {
  background: #0a2c4d;
}

input,
select {
  width: 99%; /* Presque toute la largeur */
  padding: 16px 18px; /* Champs plus grands */
  margin-bottom: 18px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1.1em;
  background: #f8f8fc;
  box-sizing: border-box;
  transition: border-color 0.2s, background 0.2s;
}

input:focus,
select:focus {
  border-color: #f77b1e;
  background: #fff;
  outline: none;
}

.radio-group {
  display: flex;
  gap: 28px;
  margin-bottom: 18px;
  justify-content: center;
}

.radio-btn {
  background: #f7f7fa;
  border: 2px solid #f77b1e;
  border-radius: 20px;
  padding: 10px 32px;
  font-size: 1.1em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  color: #f77b1e;
  font-weight: bold;
  user-select: none;
}

input[type='radio'] {
  display: none;
}

input[type='radio']:checked + .radio-btn {
  background: #f77b1e;
  color: #fff;
  border-color: #f77b1e;
}

/* Responsive pour petits écrans */
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
    padding: 20px 5vw;
  }
  input, select, .btn {
    font-size: 1em;
    padding: 14px 8px;
  }
  .radio-btn {
    padding: 8px 12px;
    font-size: 1em;
  }
}