*{box-sizing:border-box}body{margin:0;font-family:var(--font-corpo);color:var(--txt);background:var(--bg)}a{text-decoration:none;color:var(--acc)}main{max-width:1200px;margin:0 auto}.hero{color:#fff}.hero-wrap{max-width:900px;margin:0 auto;display:grid;grid-template-columns:220px 1fr;gap:3rem;align-items:start}.cover{background:transparent;border:none;border-radius:0;padding:0}.cover img{width:100%;border-radius:var(--r-xs);box-shadow:var(--shadow-lg)}.claim{display:flex;flex-direction:column;gap:12px;color:rgba(255,255,255,.85)}.claim h1{color:#fff;margin:0;font-size:clamp(1.6rem,3.5vw,2.4rem)}.claim p{color:rgba(255,255,255,.8);margin:0}.claim strong{color:#fff}.section{background:var(--paper);border:1px solid var(--bordo);border-radius:var(--r-lg);padding:20px;margin:18px 16px}.btn-store{display:flex;align-items:center;justify-content:center;padding:.8rem 1.5rem;border-radius:var(--r-pill);font-weight:800;color:#fff;cursor:pointer;font-family:Arial,sans-serif;font-size:.9rem;transition:opacity .2s,transform .15s}.btn-store:hover{opacity:.85;transform:translateY(-2px)}.store-franco{background:var(--franco,#1a3a6b)}.store-ibs{background:var(--ibs,#e6320f)}.store-fel{background:var(--feltrinelli,#e30613)}.store-hoepli{background:var(--hoepli,#004a99)}.store-amazon{background:var(--amazon,#ff9900);color:var(--blu-notte)}.store-amazon:hover{background:#cc7a00;color:var(--blu-notte)}.store-mondadori{background:var(--mondadori,#e30016)}.store-lu{background:var(--lu,#00467f)}.store-unilibro{background:var(--unilibro,#0072bc)}.store-lenuvole{background:var(--nuvole,#6b3fa0)}.store-mu{background:var(--mu,#666)}.quote{font-style:italic;position:relative;padding-left:28px;color:var(--txt)}.quote:before{content:"\201C";font-size:2rem;position:absolute;left:0;top:-6px;color:var(--acc)}@media(max-width:960px){.hero-wrap{grid-template-columns:1fr}.cover{max-width:180px;margin:0 auto}#acquista{padding-top:14px;padding-bottom:160px}}#acquista{scroll-margin-top:160px}.breadcrumb-nav{background:#f0f4f8;padding:10px 20px;font-size:.82rem;color:#555;border-bottom:1px solid var(--border,#e9ecef)}.breadcrumb-nav span.sep{margin:0 6px;opacity:.5}.breadcrumb-nav [aria-current]{color:#333;font-weight:600}.hero h1,.hero h2,.hero h3{color:rgba(255,255,255,.95)!important}.hero p{color:rgba(255,255,255,.88)!important}.claim h1{color:#fff!important}.claim p{color:rgba(255,255,255,.85)!important}.esm-buy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.related-esm{border-top:1px solid #dde2ea}.related-esm .inner{max-width:960px;margin:0 auto;padding:2rem 1.5rem}.related-esm .related-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:#666;margin-bottom:1rem}.related-esm .rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}.book-store-actions-hero{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin:1rem 0 0}.book-store-actions-hero .btn-store,.book-store-hub-callout .btn-store,.book-store-preview .btn-store{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:46px;min-width:190px;padding:.8rem 1.5rem;border-radius:var(--r-pill);border:1px solid rgba(10,22,40,.12);font-family:Arial,sans-serif;font-size:.88rem;font-weight:800;line-height:1.2;text-align:center;text-decoration:none;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease,filter .15s ease}.book-store-actions-hero .btn-store:hover,.book-store-hub-callout .btn-store:hover,.book-store-preview .btn-store:hover{transform:translateY(-2px);box-shadow:var(--shadow);filter:saturate(1.05);text-decoration:none}.store-hub-cta{background:var(--blu-notte)!important;color:#fff!important;border-color:var(--blu-notte)!important}.store-franco{background:#dc3545!important;color:#fff!important}.store-amazon{background:#ff9900!important;color:#111!important}.store-ibs{background:#0060a0!important;color:#fff!important}.store-fel{background:#c0001f!important;color:#fff!important}.store-hoepli{background:#1b3f8b!important;color:#fff!important}.store-lu{background:#1e6db7!important;color:#fff!important}.store-unilibro{background:#073b75!important;color:#fff!important}.store-lenuvole{background:#0b7a53!important;color:#fff!important}.store-mondadori{background:#c8102e!important;color:#fff!important}.store-mu{background:#6b4caf!important;color:#fff!important}.book-store-preview{scroll-margin-top:150px}.book-store-kicker{margin:0 0 .35rem;color:var(--blu-accent);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.book-store-lead{color:#334155;line-height:1.72;margin:.25rem 0 1rem}.book-store-hub-callout{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin:1rem 0 1.25rem;padding:1rem 1.1rem;border:1px solid #dce4ee;border-radius:var(--r-lg);background:#f8fafc;box-shadow:var(--shadow)}.book-store-hub-callout strong{display:block;color:var(--blu-notte);margin-bottom:.25rem}.book-store-hub-callout span{display:block;color:#4b5563;line-height:1.6;max-width:62ch}.book-store-note{color:#64748b;font-size:.92rem;line-height:1.6;margin:1rem 0 0}@media(max-width:640px){.book-store-hub-callout{align-items:stretch}.book-store-hub-callout .btn-store{width:100%}}