/*
 * Nuovo tema pubblico "Libro aperto".
 * Questo foglio viene caricato soltanto dalle pagine pubbliche: l'admin resta invariato.
 */

html {
  background: #020918;
}

body.public-book {
  display: block;
  min-width: 320px;
  min-height: 100vh;
  padding: 14px 16px 28px;
  overflow-x: hidden;
  color: #172238;
  background:
    radial-gradient(circle at 78% 9%, rgba(22, 93, 202, .24), transparent 31%),
    radial-gradient(circle at 14% 88%, rgba(10, 49, 123, .2), transparent 33%),
    linear-gradient(145deg, #020817 0%, #07172f 54%, #020c1e 100%);
}

.public-book .folder-container {
  width: min(1540px, 100%);
  max-width: none;
  margin: 0 auto;
}

/* Barra di navigazione orizzontale, più piccola e compatta. */
.public-book .folder-tabs {
  position: sticky;
  z-index: 1000;
  top: 10px;
  width: min(1120px, calc(100% - 20px));
  min-height: 54px;
  margin: 0 auto 12px;
  padding: 6px 8px;
  align-items: center;
  gap: 2px;
  overflow: visible;
  border: 1px solid rgba(116, 167, 242, .26);
  border-radius: 17px;
  background: linear-gradient(155deg, rgba(7, 35, 81, .98), rgba(3, 20, 50, .98));
  box-shadow: 0 16px 42px rgba(0, 5, 20, .45), inset 0 1px rgba(255, 255, 255, .05);
  backdrop-filter: blur(18px);
}

.public-book .book-nav-brand {
  display: flex;
  width: 104px;
  height: 40px;
  margin-right: 4px;
  padding: 2px 8px;
  flex: 0 0 104px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.public-book .book-nav-brand img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.public-book .folder-tab {
  border: 1px solid transparent;
  border-radius: 10px;
  color: #c3d2ed;
  background: transparent;
  box-shadow: none;
  text-transform: none;
}

.public-book .folder-tab:hover,
.public-book .folder-tab:focus-visible {
  color: #fff;
  border-color: rgba(92, 154, 246, .2);
  background: rgba(255, 255, 255, .07);
  transform: none;
}

.public-book .folder-tab.active {
  color: #fff;
  border-color: rgba(83, 151, 255, .38);
  background: linear-gradient(110deg, #0c58c9, #0a3d91);
  box-shadow: 0 8px 20px rgba(0, 45, 124, .3), inset 0 1px rgba(255, 255, 255, .1);
  transform: none;
}

.public-book .folder-tab.donation-nav-button {
  border-radius: 999px;
  background: linear-gradient(135deg, #0c74fb, #0a4cc5);
  box-shadow: 0 8px 18px rgba(0, 68, 184, .28);
}

@media (min-width: 761px) {
  .public-book .folder-tabs .folder-tab {
    min-width: 0;
    min-height: 40px;
    padding: 7px clamp(7px, .72vw, 11px);
    flex: 0 1 auto;
    font-size: clamp(10px, .75vw, 12px);
    font-weight: 730;
    line-height: 1.1;
    letter-spacing: .01em;
    white-space: nowrap;
  }

  .public-book .folder-tabs .donation-nav-button {
    margin-left: auto;
    padding-right: 13px;
    padding-left: 13px;
  }
}

.public-book .folder-card {
  position: relative;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.public-book .folder-header {
  min-height: 58px;
  margin: 0 4.2% 8px;
  padding: 8px 22px;
  border: 1px solid rgba(112, 160, 229, .2);
  border-radius: 15px;
  background: rgba(5, 25, 59, .84);
  box-shadow: 0 12px 30px rgba(0, 5, 20, .25);
  backdrop-filter: blur(14px);
}

.public-book .folder-header .logo-container {
  display: none;
}

.public-book .folder-header .header-meta {
  width: 100%;
  justify-content: flex-end;
  color: #afc2e2;
}

.public-book .hero-section {
  display: none;
}

/* Primo piano: il libro aperto approvato nel prototipo locale. */
.public-book .book-intro {
  position: relative;
  width: 100%;
  aspect-ratio: 1672 / 941;
  overflow: visible;
  background: url("images/libro-aperto.webp") center / contain no-repeat;
  filter: drop-shadow(0 32px 40px rgba(0, 0, 0, .32));
  perspective: 1600px;
  transform-origin: center;
}

.public-book .book-intro-copy {
  position: absolute;
  z-index: 2;
  top: 19.5%;
  left: 19.7%;
  width: 29.2%;
  color: #172238;
}

.public-book .book-intro-kicker {
  margin: 0 0 clamp(7px, .8vw, 12px);
  color: #0b61df;
  font-size: clamp(10px, .75vw, 13px);
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.public-book .book-intro-title {
  margin: 0;
  color: #111a2d;
  font-family: var(--font-serif);
  font-size: clamp(29px, 3vw, 52px);
  font-weight: 600;
  line-height: .99;
  letter-spacing: -.04em;
  text-wrap: balance;
}

.public-book .book-intro-rule {
  display: block;
  width: clamp(37px, 3.5vw, 58px);
  height: 4px;
  margin: clamp(12px, 1.35vw, 20px) 0 clamp(14px, 1.55vw, 23px);
  border-radius: 9px;
  background: #116cf3;
}

.public-book .book-intro-text {
  margin: 0;
  color: #35435b;
  font-size: clamp(12px, 1vw, 17px);
  font-weight: 560;
  line-height: 1.52;
  text-wrap: pretty;
}

.public-book .book-intro-action {
  display: inline-flex;
  min-height: 42px;
  margin-top: clamp(16px, 1.7vw, 26px);
  padding: 9px 18px;
  align-items: center;
  justify-content: center;
  color: #fff;
  border-radius: 999px;
  background: linear-gradient(135deg, #126ff4, #084abb);
  box-shadow: 0 10px 23px rgba(10, 82, 193, .24);
  font-size: clamp(10px, .74vw, 12px);
  font-weight: 820;
  letter-spacing: .045em;
  text-decoration: none;
  text-transform: uppercase;
}

.public-book .book-intro-action:hover,
.public-book .book-intro-action:focus-visible {
  color: #fff;
  transform: translateY(-2px);
}

.public-book .book-intro-brand {
  position: absolute;
  z-index: 2;
  right: 11.5%;
  bottom: 19%;
  width: 17.5%;
  color: #fff;
  text-align: right;
  text-shadow: 0 3px 17px rgba(0, 13, 46, .72);
}

.public-book .book-intro-brand img {
  display: block;
  width: 100%;
  height: clamp(63px, 8vw, 124px);
  margin: 0 0 4px auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 12, 38, .48));
}

.public-book .book-intro-brand p {
  margin: 0;
  color: rgba(255, 255, 255, .84);
  font-family: var(--font-serif);
  font-size: clamp(10px, .75vw, 13px);
  font-style: italic;
  line-height: 1.35;
}

.public-book .book-source-title,
.public-book .book-source-intro {
  display: none;
}

/* Il resto dei contenuti continua su una pagina di carta rilegata. */
.public-book .folder-content {
  position: relative;
  isolation: isolate;
  width: calc(100% - 8.4%);
  margin: 6px auto 42px;
  padding: clamp(44px, 5vw, 76px) clamp(38px, 6vw, 88px);
  overflow: visible;
  border: 1px solid rgba(100, 120, 148, .3);
  border-radius: 9px 28px 28px 9px;
  background:
    radial-gradient(circle at 84% 11%, rgba(255, 255, 255, .92), transparent 28%),
    radial-gradient(circle at 22% 76%, rgba(207, 217, 230, .2), transparent 43%),
    linear-gradient(101deg, #e8edf3 0, #fbfbfa 4.5%, #f8f8f6 76%, #e9edf2 100%);
  box-shadow:
    inset 21px 0 22px -23px rgba(23, 36, 57, .82),
    inset -9px 0 14px -12px rgba(18, 37, 63, .48),
    8px 8px 0 -3px #d9e0e8,
    14px 14px 0 -7px #b9c5d3,
    0 30px 68px rgba(0, 4, 17, .42);
}

.public-book .folder-content::before {
  position: absolute;
  z-index: 1;
  top: 3px;
  bottom: 3px;
  left: 0;
  width: 24px;
  content: "";
  pointer-events: none;
  border-radius: 8px 0 0 8px;
  background: linear-gradient(90deg, rgba(35, 51, 76, .3), rgba(102, 122, 150, .13) 38%, rgba(255, 255, 255, .55) 74%, transparent);
}

.public-book .folder-content::after {
  position: absolute;
  z-index: -1;
  bottom: -31px;
  left: 50%;
  width: 31px;
  height: 51px;
  content: "";
  transform: translateX(-50%);
  pointer-events: none;
  background: linear-gradient(90deg, #064bb9, #1677f5 52%, #073d98);
  box-shadow: 0 10px 18px rgba(0, 23, 73, .35);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 77%, 0 100%);
}

.public-book .folder-content > * {
  position: relative;
  z-index: 2;
}

.public-book .info-card,
.public-book .public-content-container,
.public-book .timeline-item,
.public-book .contact-form,
.public-book .contact-info,
.public-book .privacy-document-section {
  border-color: rgba(40, 64, 96, .11);
  background: rgba(255, 255, 255, .68);
  box-shadow: 0 12px 34px rgba(25, 43, 70, .06);
}

.public-book .folder-footer {
  width: calc(100% - 8.4%);
  margin: 0 auto;
  border: 1px solid rgba(108, 151, 216, .16);
  border-radius: 18px;
  background: rgba(4, 20, 48, .9);
  box-shadow: 0 18px 48px rgba(0, 4, 17, .3);
}

/* Passaggio tra pagine: un vero foglio gira dalla pagina destra verso sinistra. */
@media (prefers-reduced-motion: no-preference) {
  .book-turn-layer {
    position: fixed;
    z-index: 4000;
    top: var(--book-turn-top);
    left: var(--book-turn-left);
    width: var(--book-turn-width);
    height: var(--book-turn-height);
    overflow: hidden;
    pointer-events: none;
    perspective: none;
    transform-style: preserve-3d;
  }

  .book-turn-layer.is-intro-turn {
    border-radius: 22px;
  }

  .book-turn-layer.is-content-turn {
    border-radius: 8px 24px 24px 8px;
  }

  .book-turn-sheet {
    position: absolute;
    top: 0;
    right: 0;
    width: 50.4%;
    height: 100%;
    opacity: 0;
    transform: rotateY(0deg);
    transform-origin: left center;
    transform-style: preserve-3d;
    will-change: transform, opacity;
  }

  .book-turn-sheet-front,
  .book-turn-sheet-back {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border: 1px solid rgba(80, 98, 124, .28);
    border-radius: 2px 24px 24px 2px;
    backface-visibility: hidden;
    background:
      linear-gradient(103deg, rgba(28, 46, 72, .2), transparent 15%, transparent 78%, rgba(31, 49, 74, .2)),
      repeating-linear-gradient(8deg, rgba(45, 66, 94, .045) 0 1px, transparent 1px 5px),
      radial-gradient(circle at 70% 15%, rgba(255, 255, 255, .52), transparent 34%),
      linear-gradient(101deg, #bac8d6 0%, #dce4eb 15%, #d6dfe7 74%, #aebdcd 100%);
    box-shadow:
      inset 18px 0 24px -25px rgba(21, 37, 60, .76),
      inset -10px 0 17px -14px rgba(17, 33, 57, .58),
      -10px 9px 26px rgba(1, 11, 30, .2);
  }

  .book-turn-sheet-front::after,
  .book-turn-sheet-back::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(90deg, rgba(29, 46, 70, .14), transparent 13%, transparent 82%, rgba(35, 53, 78, .1));
  }

  .book-turn-sheet-back {
    border-radius: 24px 2px 2px 24px;
    transform: rotateY(180deg);
    background:
      linear-gradient(90deg, rgba(20, 38, 65, .34), transparent 18%, transparent 80%, rgba(27, 47, 75, .26)),
      repeating-linear-gradient(-7deg, rgba(35, 58, 89, .065) 0 1px, transparent 1px 5px),
      radial-gradient(circle at 28% 18%, rgba(255, 255, 255, .32), transparent 35%),
      linear-gradient(90deg, #8fa3b8 0%, #bac8d5 20%, #c6d1dc 78%, #96aabd 100%);
  }

  .book-turn-layer.is-turning .book-turn-sheet {
    animation: publicBookLeafTurn .76s cubic-bezier(.34, .02, .18, .99) both;
  }

  .public-book.is-page-turning .book-intro-copy,
  .public-book.is-page-turning .book-intro-brand,
  .public-book.is-page-turning .folder-content > * {
    animation: publicBookContentOut .76s ease both;
  }

}

@keyframes publicBookLeafTurn {
  0% {
    opacity: 0;
    transform: rotateY(0deg);
  }
  5% {
    opacity: 1;
    transform: rotateY(-4deg);
  }
  48% {
    opacity: 1;
    transform: rotateY(-92deg) scaleX(.985);
  }
  100% {
    opacity: 1;
    transform: rotateY(-180deg);
  }
}

@keyframes publicBookContentOut {
  0%, 34% { opacity: 1; }
  48%, 100% { opacity: .16; }
}

@media (max-width: 980px) and (min-width: 761px) {
  .public-book .book-nav-brand {
    width: 82px;
    flex-basis: 82px;
    padding-right: 4px;
    padding-left: 4px;
  }

  .public-book .folder-tabs .folder-tab {
    padding-right: 6px;
    padding-left: 6px;
    font-size: 9.5px;
  }

  .public-book .book-intro-text {
    font-size: 11px;
  }
}

@media (max-width: 760px) {
  body.public-book {
    padding:
      max(8px, env(safe-area-inset-top))
      max(11px, env(safe-area-inset-right))
      max(28px, env(safe-area-inset-bottom))
      max(11px, env(safe-area-inset-left));
  }

  .public-book .folder-container {
    margin: 0;
  }

  .public-book .mobile-navigation-bar {
    position: sticky;
    z-index: 1003;
    top: max(7px, env(safe-area-inset-top));
    min-height: 66px;
    margin-bottom: 10px;
    padding: 7px 8px 7px 13px;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(116, 167, 242, .25);
    border-radius: 17px;
    background: rgba(4, 24, 57, .95);
    box-shadow: 0 14px 35px rgba(0, 5, 20, .38);
    backdrop-filter: blur(16px);
  }

  .public-book .book-mobile-brand {
    display: flex;
    width: 112px;
    height: 48px;
    align-items: center;
  }

  .public-book .book-mobile-brand img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .public-book .mobile-menu-toggle {
    position: relative;
    top: auto;
    right: auto;
    width: 48px;
    height: 48px;
    border-radius: 13px;
    background: rgba(16, 54, 111, .78);
    box-shadow: none;
  }

  .public-book.mobile-menu-ready .folder-tabs {
    position: fixed;
    z-index: 1002;
    inset: 0 0 0 auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(350px, calc(100vw - 40px));
    min-height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    padding: calc(22px + env(safe-area-inset-top)) 16px calc(18px + env(safe-area-inset-bottom));
    align-items: stretch;
    gap: 5px;
    border: 0;
    border-left: 1px solid rgba(116, 167, 242, .24);
    border-radius: 0;
    background: linear-gradient(165deg, #08214b, #03142f);
    -webkit-overflow-scrolling: touch;
  }

  .public-book .folder-tabs .book-nav-brand {
    display: none;
  }

  .public-book.mobile-menu-ready .folder-tab {
    border-radius: 12px;
    color: #d7e3f8;
  }

  .public-book .folder-header {
    min-height: 0;
    margin: 0 0 9px;
    padding: 10px 13px;
    border-radius: 14px;
  }

  .public-book .folder-header .header-meta {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 8px !important;
    justify-content: stretch;
    font-size: 11px;
  }

  .public-book .folder-header .site-language-switcher {
    grid-column: 1;
    width: auto;
    min-width: 0;
    max-width: 100%;
  }

  .public-book .folder-header .site-language-select {
    min-width: 0;
  }

  .public-book .folder-header .header-meta > a {
    grid-column: 2;
    width: 42px;
    min-height: 42px;
    margin: 0 !important;
    justify-content: center;
  }

  .public-book .folder-header .header-meta > div {
    grid-column: 1 / -1;
  }

  .public-book .site-language-switcher {
    min-height: 42px;
  }

  .public-book .book-intro {
    isolation: isolate;
    width: calc(100% - 9px);
    min-height: 0;
    aspect-ratio: auto;
    margin: 0 9px 51px 0;
    border: 1px solid rgba(103, 124, 152, .34);
    border-radius: 7px 23px 23px 7px;
    background:
      radial-gradient(circle at 83% 14%, rgba(255, 255, 255, .95), transparent 31%),
      radial-gradient(circle at 26% 72%, rgba(207, 217, 230, .23), transparent 42%),
      linear-gradient(101deg, #e6ebf2 0, #fafaf9 5%, #f5f6f8 75%, #e7ecf3 100%);
    box-shadow:
      inset 18px 0 20px -20px rgba(20, 33, 54, .88),
      inset -8px 0 13px -11px rgba(18, 37, 63, .52),
      7px 7px 0 -3px #dce3eb,
      12px 12px 0 -6px #bdc8d6,
      0 27px 58px rgba(0, 4, 16, .43);
    filter: none;
  }

  .public-book .book-intro::before {
    position: absolute;
    z-index: 2;
    top: 3px;
    bottom: 3px;
    left: 0;
    width: 21px;
    content: "";
    pointer-events: none;
    border-radius: 7px 0 0 7px;
    background: linear-gradient(90deg, rgba(35, 51, 76, .34), rgba(105, 124, 151, .15) 34%, rgba(255, 255, 255, .57) 72%, transparent);
  }

  .public-book .book-intro::after {
    position: absolute;
    z-index: -1;
    bottom: -31px;
    left: 50%;
    width: 30px;
    height: 50px;
    content: "";
    transform: translateX(-50%);
    pointer-events: none;
    background: linear-gradient(90deg, #064bb9, #1677f5 52%, #073d98);
    box-shadow: 0 10px 17px rgba(0, 23, 73, .34);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 77%, 0 100%);
  }

  .public-book .book-intro-copy {
    position: relative;
    z-index: 3;
    top: auto;
    left: auto;
    width: auto;
    padding: clamp(39px, 10vw, 57px) 25px 39px 35px;
  }

  .public-book .book-intro-kicker {
    font-size: 12px;
  }

  .public-book .book-intro-title {
    font-size: clamp(40px, 12vw, 57px);
    line-height: 1;
  }

  .public-book .book-intro-text {
    font-size: clamp(17px, 4.5vw, 20px);
    line-height: 1.58;
  }

  .public-book .book-intro-action {
    min-height: 52px;
    padding-right: 22px;
    padding-left: 22px;
    font-size: 12px;
  }

  .public-book .book-intro-brand {
    display: none;
  }

  .public-book .folder-content {
    width: calc(100% - 9px);
    margin: 0 9px 48px 0;
    padding: 41px 24px 48px 35px;
    border-radius: 7px 23px 23px 7px;
  }

  .public-book .folder-content::before {
    width: 21px;
  }

  .public-book .folder-footer {
    width: 100%;
    margin: 0;
    padding: 28px 20px;
    border-radius: 16px;
  }

  .book-turn-layer.is-mobile-turn .book-turn-sheet {
    right: 0;
    width: 100%;
  }

  .book-turn-layer.is-mobile-turn .book-turn-sheet-front,
  .book-turn-layer.is-mobile-turn .book-turn-sheet-back {
    border-radius: 7px 23px 23px 7px;
  }

  .public-book .section-title {
    font-size: 36px;
  }

  .public-book .section-intro,
  .public-book .card-text,
  .public-book .timeline-desc,
  .public-book .public-content-text {
    font-size: 17px;
    line-height: 1.65;
  }
}

@media (max-width: 420px) {
  .public-book .book-intro-title {
    font-size: clamp(37px, 11.7vw, 50px);
  }

  .public-book .book-intro-text {
    font-size: 17px;
  }

  .public-book .folder-content {
    padding-right: 20px;
    padding-left: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .public-book *,
  .public-book *::before,
  .public-book *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}