:root { --fondo: #f5f8fb; --testo: #10233a; --tenue: #5b6b77; --blu: #103d70; --turchese: #10a3b5; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--fondo); color: var(--testo); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Arial, sans-serif; }
.centro { text-align: center; padding: 24px 16px; width: 100%; max-width: 760px; }
.marchio { display: block; width: 100%; height: auto; margin: 0 auto 8px; }
.tenue { margin: 0; color: var(--tenue); font-size: 14px; }
.pulsante { display: inline-block; margin-top: 22px; padding: 10px 24px; border-radius: 6px; background: var(--blu); color: #fff; font-weight: 600; text-decoration: none; }
.pulsante:hover, .pulsante:focus-visible { background: var(--turchese); }