/* Pagina del libro "Il Grande Viaggio della Birra". Foglio additivo. */
.breadcrumb { padding: 88px 32px 12px; }
.libro-page { background: var(--cream); }
.libro-hero { background: var(--black); color: var(--cream); padding: 48px 0 64px; }
.libro-griglia { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 56px; align-items: center; }
.libro-copertina { margin: 0; perspective: 1100px; text-align: center; }
.libro-copertina img {
  display: block; width: 100%; max-width: 340px; height: auto; margin: 0 auto; border-radius: 3px 8px 8px 3px;
  transform: rotateY(-13deg); box-shadow: -2px 0 0 #3b2e20, 22px 26px 50px rgba(0, 0, 0, 0.6);
}
.libro-hero h1 { color: var(--cream); margin: 12px 0 16px; }
.libro-lead { font-size: 18px; line-height: 1.65; color: rgba(250, 246, 238, 0.82); margin: 0 0 20px; }
.libro-numeri { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0 0 24px; padding: 0; font-variant-numeric: tabular-nums; }
.libro-numeri b { display: block; font-size: 26px; line-height: 1.1; color: var(--amber-light); }
.libro-numeri span { font-size: 13px; color: rgba(250, 246, 238, 0.72); }
.libro-box { background: rgba(250, 246, 238, 0.06); border: 1px solid rgba(250, 246, 238, 0.16); border-radius: 16px; padding: 22px; }
.libro-box h2 { margin: 0 0 14px; font-size: 20px; color: var(--cream); }
.libro-box label { display: block; }
.libro-etichetta { font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--cream); }
.libro-box input[type="email"] {
  width: 100%; box-sizing: border-box; font: inherit; font-size: 16px; color: var(--cream);
  background: rgba(10, 9, 8, 0.6); border: 1px solid rgba(250, 246, 238, 0.28); border-radius: 12px; padding: 13px 14px;
}
.libro-box input[aria-invalid="true"] { border-color: #ec8b7a; }
.libro-spunta { display: flex !important; gap: 10px; align-items: flex-start; margin-top: 12px; font-size: 14px; line-height: 1.45; color: rgba(250, 246, 238, 0.86); cursor: pointer; }
.libro-spunta input { flex: none; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--amber); }
.libro-trappola { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.libro-box .btn { width: 100%; justify-content: center; margin-top: 16px; min-height: 48px; border: 0; cursor: pointer; }
.libro-box .btn[disabled] { opacity: .6; cursor: progress; }
.libro-errore { margin: 12px 0 0; font-size: 14px; color: #f3a899; }
.libro-nota { margin: 12px 0 0; font-size: 12.5px; line-height: 1.5; color: rgba(250, 246, 238, 0.62); }
.libro-nota a { color: inherit; text-decoration: underline; }
.libro-grazie:focus { outline: none; }
.libro-grazie h2 { margin-bottom: 8px; }
.libro-grazie p { margin: 0 0 14px; font-size: 15px; line-height: 1.55; color: rgba(250, 246, 238, 0.86); }
.libro-grazie a.libro-altro { display: block; margin-top: 14px; font-size: 14px; text-align: center; color: var(--amber-light); text-decoration: underline; }

.libro-sezione { padding: 56px 0; }
.libro-sezione h2 { margin: 0 0 24px; }
.libro-curiosita { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.libro-curiosita li { display: flex; flex-direction: column; gap: 8px; padding: 22px; background: #fff; border: 1px solid rgba(10, 9, 8, 0.08); border-radius: 16px; }
.libro-curiosita span { font-size: 15px; line-height: 1.55; color: var(--gray-600, #44403c); }
.libro-pagine { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; }
.libro-pagine img { display: block; width: 100%; height: auto; border-radius: 4px; box-shadow: 0 10px 30px rgba(10, 9, 8, 0.16); }
.libro-indice { background: #fff; }
.libro-indice ol { margin: 0; padding-left: 26px; columns: 2; column-gap: 40px; line-height: 2; font-variant-numeric: tabular-nums; }
.libro-storia p { max-width: 68ch; line-height: 1.7; color: var(--gray-600, #44403c); margin: 0 0 14px; }
.libro-faq { max-width: 820px; }
.libro-faq details { border-bottom: 1px solid rgba(10, 9, 8, 0.12); padding: 14px 0; }
.libro-faq summary { cursor: pointer; font-weight: 600; min-height: 28px; }
.libro-faq p { margin: 10px 0 0; line-height: 1.65; color: var(--gray-600, #44403c); }
.libro-chiusura { background: var(--black); color: var(--cream); text-align: center; }
.libro-chiusura h2 { color: var(--cream); }

@media (max-width: 860px) {
  .breadcrumb { padding: 80px 16px 12px; }
  .libro-sezione { padding: 40px 0; }
  .libro-indice ol { columns: 1; }
  .libro-pagine { display: flex; overflow-x: auto; scroll-snap-type: x proximity; margin-right: -16px; padding: 0 16px 14px 0; }
  .libro-pagine img { flex: 0 0 66%; width: 66%; scroll-snap-align: start; }
}

/* Telefono: copertina accanto al titolo, così il modulo entra nella prima schermata */
@media (max-width: 860px) {
  .libro-hero { padding: 18px 0 36px; }
  .libro-griglia { display: block; }
  .libro-copertina { float: left; width: 104px; margin: 2px 14px 8px 0; perspective: none; }
  .libro-copertina img { max-width: 100%; transform: none; box-shadow: -1px 0 0 #3b2e20, 6px 8px 18px rgba(0, 0, 0, 0.55); }
  .libro-hero .eyebrow { font-size: 10px; letter-spacing: 0.1em; margin: 0; }
  .libro-hero .eyebrow::before { display: none; }
  .libro-hero h1 { margin: 6px 0 8px; font-size: 24px; line-height: 1.15; }
  .libro-lead { margin: 0 0 8px; font-size: 14px; line-height: 1.45; }
  .libro-numeri { clear: both; gap: 4px 20px; margin: 0 0 14px; padding-top: 6px; }
  .libro-numeri li { display: flex; align-items: baseline; gap: 5px; }
  .libro-numeri b { display: inline; font-size: 18px; }
  .libro-numeri span { font-size: 12px; }
  .libro-box { padding: 16px; }
  .libro-box h2 { margin-bottom: 10px; font-size: 17px; }
  .libro-spunta { margin-top: 4px; padding: 10px 0; min-height: 44px; box-sizing: border-box; }
  .libro-box .btn { margin-top: 8px; }
}

/* Telefoni molto piccoli: si toglie la presentazione per far vedere il modulo */
@media (max-width: 860px) and (max-height: 600px) {
  .libro-lead, .libro-numeri { display: none; }
  .libro-copertina { width: 72px; margin-bottom: 6px; }
  .libro-box { clear: both; }
}