.vanson-offerte-form {
  max-width: 640px;
  padding: 24px;
  border: 1px solid #e7e7e7;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}
.vanson-field { margin-bottom: 16px; }
.vanson-field label { display: block; margin-bottom: 6px; font-weight: 700; }
.vanson-field input,
.vanson-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d7d7d7;
  border-radius: 8px;
  font: inherit;
  box-sizing: border-box;
}
.vanson-field input:focus,
.vanson-field textarea:focus {
  outline: none;
  border-color: #1d4ed8;
  box-shadow: 0 0 0 3px rgba(29,78,216,.12);
}
.vanson-privacy-note { font-size: 14px; color: #555; }
.vanson-submit {
  display: inline-block;
  width: 100%;
  padding: 14px 18px;
  border: 0;
  border-radius: 8px;
  background: #1d4ed8;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.vanson-submit:hover { filter: brightness(.95); }
.vanson-message {
  max-width: 640px;
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 700;
}
.vanson-success { background: #e9f9ee; color: #166534; border: 1px solid #bbf7d0; }
.vanson-error { background: #fff1f2; color: #9f1239; border: 1px solid #fecdd3; }