:root{
  /* Palette che converte */
  --bg:#0B1222;
  --surface:#0F1730;
  --ink:#E7EAF6;
  --muted:#BFC6D8;
  --accent:#E7C25F;   /* dettagli, non testi lunghi */
  --link:#8AB4FF;

  /* CTA primaria */
  --cta:#FFB020;
  --cta-text:#1B1200;
  --cta-hover:#E69A00;
  --cta-press:#C47F00;

  /* Accessibilità */
  --focus:#FACC15;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial;
  background:var(--bg); color:var(--ink);
}

/* Link generici: leggibili su scuro */
a{ color:var(--link); }
a:focus, .btn:focus, .cta-buy:focus{
  outline:2px solid var(--focus); outline-offset:2px; border-radius:12px;
}

.container{width:min(1100px,92vw);margin:0 auto;padding:20px}

/* Header */
header{
  position:sticky; top:0; z-index:20;
  background:rgba(11,18,34,.85);
  backdrop-filter:saturate(140%) blur(6px);
}
.nav{display:flex;align-items:center;gap:16px;padding:10px 0}
.brand img{height:34px}

nav{display:flex;gap:12px;margin-left:auto}
nav a{
  color:rgba(231,234,246,.92);
  text-decoration:none; padding:10px 12px; border-radius:10px;
}
nav a:hover{ background:rgba(231,194,95,.10); }

/* CTA Amazon: UNA tinta, dominante */
.cta-buy{
  margin-left:4px; padding:10px 16px;
  border:0; border-radius:999px;
  background:var(--cta); color:var(--cta-text); font-weight:800;
  text-decoration:none;
  box-shadow:0 10px 24px rgba(255,176,32,.25);
  transition:transform .12s ease, background .12s ease, box-shadow .12s ease;
}
.cta-buy:hover{ background:var(--cta-hover); transform:translateY(-1px); }
.cta-buy:active{ background:var(--cta-press); transform:translateY(0); }

/* Skip link */
.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:12px; top:12px; width:auto; height:auto;
  background:#111; color:#fff; padding:8px 10px; border-radius:8px;
}

/* Footer minimal */
footer{display:none}

/* Mobile */
@media (max-width:720px){
  nav a{padding:10px 10px}
  .cta-buy{padding:10px 14px}
}