/* Storia e Libro (IT/EN). Caricato solo da queste due pagine, così le
   modifiche non cambiano il CSS comune né la versione degli asset del sito. */

/* Hero con foto: più alto per mostrare il soggetto, titolo lungo su più righe */
.hero-compact {
  min-height: 560px;
}

.hero-compact h1 {
  max-width: 980px;
  font-size: clamp(40px, 5.2vw, 76px);
  line-height: 1.04;
  text-wrap: balance;
}

/* Storia su desktop: foto di Ada sulla metà destra, titolo sul verde a sinistra */
@media (min-width: 761px) {
  .hero-split {
    background: var(--green-dark);
  }

  .hero-split .hero-image {
    left: auto;
    right: 0;
    width: 56%;
  }

  .hero-split .hero-overlay {
    background: linear-gradient(90deg, var(--green-dark) 0, var(--green-dark) 44%, rgb(var(--governance-green-rgb) / 0%) 62%);
  }

  .hero-split h1 {
    max-width: 46%;
    font-size: clamp(40px, 3.9vw, 60px);
  }
}

/* Storia: la fondatrice apre la pagina subito sotto l'hero */
.story-founder-top .story-copy p:not(.lead-text) {
  font-size: clamp(17px, 1.4vw, 20px);
}

/* Libro: copertina accanto al testo */
.book-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.book-cover {
  position: sticky;
  top: 110px;
  margin: 0;
}

.book-cover img {
  display: block;
  width: 100%;
  max-width: 390px;
  height: auto;
  box-shadow: var(--card-shadow-hover);
}

.book-copy {
  min-width: 0;
}

/* Libro: fascia di acquisto */
.book-buy {
  display: grid;
  justify-items: center;
  gap: 24px;
  text-align: center;
  background: var(--paper);
}

.book-buy h2,
.book-shows h2 {
  margin: 0;
  color: var(--orange);
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: 0;
}

.book-buy-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* Libro: presentazioni */
.book-shows {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.book-shows-image {
  margin: 0;
}

.book-shows-image img {
  display: block;
  width: 100%;
  height: auto;
}

.book-shows-image figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
}

.book-shows-list {
  display: grid;
  gap: 4px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.book-shows-list a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: clamp(18px, 1.6vw, 22px);
  text-decoration: none;
}

.book-shows-list a:hover,
.book-shows-list a:focus-visible {
  color: var(--orange);
}

@media (max-width: 760px) {
  /* su mobile il titolo scende sotto il soggetto della foto */
  .hero-compact {
    min-height: 600px;
  }

  .hero-compact .hero-content {
    padding-top: 300px;
  }

  .hero-compact h1 {
    font-size: 40px;
  }

  .book-intro,
  .book-shows {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .book-cover {
    position: static;
    justify-self: center;
    width: 70%;
  }
}

/* Libro: copertina che apre l'estratto sfogliabile */
.book-cover-open {
  display: grid;
  gap: 12px;
  justify-items: start;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.book-cover-open img {
  transition: transform var(--card-motion), box-shadow var(--card-motion);
}

.book-cover-open:hover img,
.book-cover-open:focus-visible img {
  transform: translateY(-6px) rotate(-1deg);
}

.book-cover-open:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 6px;
}

.book-cover-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
}

.book-cover-hint::before {
  content: "";
  width: 18px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent 47%, currentColor 47% 53%, transparent 53%);
}

/* Lettore: finestra di dialogo */
.flip-dialog {
  width: min(1180px, 96vw);
  max-width: none;
  max-height: 96vh;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 30px 80px rgb(var(--governance-green-rgb) / 35%);
}

.flip-dialog::backdrop {
  background: rgb(var(--governance-green-rgb) / 72%);
}

body.flip-open {
  overflow: hidden;
}

.flip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px 0 24px;
}

.flip-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 400;
}

.flip-close,
.flip-controls button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.flip-close:focus-visible,
.flip-controls button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.flip-controls button:disabled {
  opacity: 0.35;
  cursor: default;
}

.flip-stage {
  display: grid;
  place-items: center;
  padding: 18px 20px 8px;
  overflow: hidden;
}

/* Libro: proporzione delle pagine dell'estratto 439 × 652 pt */
.flip-book {
  --page-w: min(42vw, 520px, calc((96vh - 190px) * 0.674));
  position: relative;
  width: var(--page-w);
  aspect-ratio: 439 / 652;
  perspective: 2400px;
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
  transition: transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.flip-book.is-spread {
  width: calc(var(--page-w) * 2);
  aspect-ratio: 878 / 652;
}

.flip-book.is-spread.at-start {
  transform: translateX(-25%);
}

.flip-book.is-spread.at-end {
  transform: translateX(25%);
}

.flip-leaf {
  position: absolute;
  inset: 0;
  transform-origin: left center;
  transform-style: preserve-3d;
  transition: transform 750ms cubic-bezier(0.3, 0.7, 0.2, 1), opacity 200ms ease 550ms;
}

.flip-book.is-spread .flip-leaf {
  left: 50%;
  width: 50%;
}

.flip-leaf.is-flipped {
  transform: rotateY(-180deg);
}

.flip-book:not(.is-spread) .flip-leaf.is-flipped {
  opacity: 0;
}

.flip-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--white);
  backface-visibility: hidden;
  box-shadow: 0 10px 28px rgb(var(--governance-green-rgb) / 18%);
}

.flip-face img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.flip-back {
  transform: rotateY(180deg);
}

/* ombra morbida sulla piega del dorso */
.flip-book.is-spread .flip-front::after,
.flip-book.is-spread .flip-back::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.flip-book.is-spread .flip-front::after {
  background: linear-gradient(90deg, rgb(var(--governance-green-rgb) / 22%), transparent 9%);
}

.flip-book.is-spread .flip-back::after {
  background: linear-gradient(270deg, rgb(var(--governance-green-rgb) / 22%), transparent 9%);
}

.flip-book.no-anim .flip-leaf,
.flip-book.no-anim {
  transition: none;
}

/* movimento ridotto: nessuna rotazione visibile, solo dissolvenza */
.flip-book.is-fading {
  animation: flip-fade 280ms ease;
}

@keyframes flip-fade {
  from { opacity: 0.25; }
  to { opacity: 1; }
}

.flip-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 6px 20px 20px;
}

.flip-count {
  min-width: 170px;
  margin: 0;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 760px) {
  .flip-book {
    --page-w: min(82vw, calc((92vh - 190px) * 0.674));
  }
}

@media (prefers-reduced-motion: reduce) {
  .flip-leaf,
  .flip-book,
  .book-cover-open img {
    transition: none;
  }
}

.a11y-reduce-motion .flip-leaf,
.a11y-reduce-motion .flip-book {
  transition: none;
}