:root {
  --sfondo: #f5f5f7;
  --carta: #ffffff;
  --testo: #1d1d1f;
  --secondario: #6e6e73;
  --accento: #007aff;
  --bordo: #d2d2d7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --sfondo: #000000;
    --carta: #1c1c1e;
    --testo: #f5f5f7;
    --secondario: #98989f;
    --accento: #0a84ff;
    --bordo: #3a3a3c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--sfondo);
  color: var(--testo);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accento); text-decoration: none; }
a:hover { text-decoration: underline; }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; height: 64px; }
header .marchio { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--testo); }
header .marchio img { width: 28px; height: 28px; border-radius: 7px; }
header nav { display: flex; gap: 18px; font-size: 15px; }
.eroe { text-align: center; padding: 72px 0 48px; }
.eroe h1 { font-size: clamp(34px, 7vw, 56px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 16px; }
.eroe p { font-size: 21px; color: var(--secondario); margin: 0 auto; max-width: 560px; }
.scheda { background: var(--carta); border-radius: 18px; padding: 28px; margin: 0 0 20px; }
.scheda h2 { font-size: 22px; margin: 0 0 10px; }
.griglia { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 20px; }
.griglia .scheda { margin: 0; }
.griglia h3 { margin: 0 0 6px; font-size: 18px; }
.griglia p, .scheda p, .scheda li { color: var(--secondario); }
.documento h1 { font-size: 34px; letter-spacing: -0.01em; margin: 40px 0 6px; }
.documento .data { color: var(--secondario); margin-bottom: 28px; }
.documento h2 { font-size: 21px; margin: 32px 0 8px; }
.documento h3 { font-size: 17px; margin: 22px 0 6px; }
.documento p, .documento li { color: var(--testo); }
.documento ul { padding-left: 22px; }
.documento dl.dati { margin: 8px 0 12px; }
dl.dati { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
dl.dati dt { color: var(--secondario); }
dl.dati dd { margin: 0; }
footer { color: var(--secondario); font-size: 13px; padding: 40px 16px 48px; border-top: 1px solid var(--bordo); margin-top: 48px; }
footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
@media (max-width: 520px) {
  header nav { gap: 12px; font-size: 14px; }
  dl.dati { grid-template-columns: 1fr; }
  dl.dati dd { margin-bottom: 8px; }
}