:root { --sfondo: #f7f6f2; --testo: #171b26; --attenuato: #5b6070; }
@media (prefers-color-scheme: dark) {
  :root { --sfondo: #111318; --testo: #e8eaef; --attenuato: #9aa1b2; }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center;
  background: var(--sfondo); color: var(--testo);
  font-family: Onest, system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.55;
}
main { max-width: 34rem; padding: 2rem 1.5rem; text-align: center; }
img { max-width: 100%; height: auto; }
h1 { font-size: 1.6rem; margin: 2rem 0 0.75rem; letter-spacing: -0.01em; }
p { margin: 0 0 0.75rem; }
.nota { color: var(--attenuato); font-size: 0.95rem; }