.letterhead{
  container-type:inline-size;
  aspect-ratio:210/297;
  background:#fff url("carta-intestata-originale.jpg") center/100% 100% no-repeat;
  padding:max(128px,20%) 70px 150px 112px;
}
.letterhead-brand,.letterhead>.watermark,.letterhead>footer{display:none}
.letterhead .document-copy{
  font-family:Arial,Helvetica,sans-serif;
  font-size:clamp(10.8px,2.05cqi,14px);
  line-height:1.46;
  color:#000;
}
.letterhead .document-copy,
.letterhead .document-copy *{
  color:#000 !important;
  opacity:1;
  text-shadow:none;
}
.letterhead .document-copy h2{margin:1.3em 0 1em;font-size:1.43em;line-height:1.25}
.letterhead .document-copy h3{margin:1em 0 .3em;font-size:.98em;line-height:1.3;color:#000}
.letterhead .document-copy p{margin:7px 0}
.letterhead .document-copy ul{margin:7px 0;padding-left:22px}
.letterhead .document-copy li{margin:3px 0}
.letterhead .signature-grid{margin-top:1.6em;font-size:.94em}
.letterhead .signature-grid.studio-only{grid-template-columns:1fr;justify-items:end}
.letterhead .signature-grid.studio-only>div{width:48%}
@media(max-width:650px){
  .letterhead{padding:82px 34px 90px 62px}
  .letterhead .document-copy{font-size:clamp(8.8px,2.05cqi,10.5px);line-height:1.4}
}