/* ================================================================
   Giuliana Laportella — Photography Portfolio
   style.css  |  Poppins · Dark Cinematic
================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,200;0,300;0,400;0,600;1,200;1,300&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark:    #080808;
  --mid:     #111111;
  --surface: #181818;
  --border:  rgba(255,255,255,0.07);
  --cream:   #f0ebe3;
  --gold:    #c9a96e;
  --muted:   #5a5a5a;
  --text:    #d4cfc8;
  --nav-h:   72px;
  --ease:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar              { width: 4px; }
::-webkit-scrollbar-track        { background: var(--dark); }
::-webkit-scrollbar-thumb        { background: var(--gold); border-radius: 2px; }

/* ================================================================
   NAVIGATION
================================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s, height 0.4s var(--ease);
}
.nav.scrolled {
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(20px);
  height: 60px;
  border-bottom: 1px solid var(--border);
}

.nav__logo {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cream);
}
.nav__logo span { color: var(--gold); }

.nav__links {
  display: flex; gap: 36px; align-items: center;
}
.nav__links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.3s;
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 100%;
  height: 1px;
  background: var(--gold);
  transition: right 0.35s var(--ease);
}
.nav__links a:hover,
.nav__links a.active { color: var(--cream); }
.nav__links a:hover::after,
.nav__links a.active::after { right: 0; }

.nav__toggle {
  display: none;
  flex-direction: column; gap: 5px; cursor: pointer; padding: 4px;
}
.nav__toggle span {
  display: block; width: 24px; height: 1px;
  background: var(--cream); transition: all 0.3s;
}

/* ================================================================
   HERO
================================================================ */
.hero {
  position: relative;
  height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--dark);
}
.hero__bg {
  position: absolute; inset: 0;
  transform: scale(1.1);
  transition: transform 8s ease-out;
  will-change: transform;
}
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8,8,8,0.3) 0%,
    rgba(8,8,8,0.15) 40%,
    rgba(8,8,8,0.65) 80%,
    rgba(8,8,8,1) 100%
  );
}

.hero__content {
  position: relative; z-index: 2;
  text-align: center;
  padding: 0 24px;
}
.hero__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.3s forwards;
}
.hero__title {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 200;
  letter-spacing: 0.06em;
  color: var(--cream);
  line-height: 1.05;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1.2s var(--ease) 0.5s forwards;
}
.hero__title em {
  font-style: italic;
  font-weight: 200;
  color: var(--gold);
}
.hero__sub {
  margin-top: 24px;
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(240,235,227,0.6);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.8s forwards;
}
.hero__scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1.4s forwards;
}
.hero__scroll span {
  font-size: 0.65rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--muted);
}
.hero__scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out 1.5s infinite;
}

/* ================================================================
   SECTION TITLES
================================================================ */
.section-header {
  text-align: center;
  padding: 100px 48px 60px;
}
.section-header__label {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-header__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 200;
  letter-spacing: 0.08em;
  color: var(--cream);
}
.section-header__desc {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 520px;
  margin-inline: auto;
}

/* ================================================================
   SERIES GRID
================================================================ */
.series-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 280px;
  gap: 3px;
  padding: 0 3px 3px;
}

.series-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
}
.series-card:nth-child(4n+1) { grid-column: span 2; grid-row: span 2; }
.series-card:nth-child(7)    { grid-column: span 2; }
.series-card:nth-child(11)   { grid-column: span 2; grid-row: span 2; }
/* Inversione: Muri d'amore (10) grande, Punctum (9) piccola */
.series-card:nth-child(9)    { grid-column: span 1; grid-row: span 1; }
.series-card:nth-child(10)   { grid-column: span 2; grid-row: span 2; }

.series-card img {
  transition: transform 0.7s var(--ease), filter 0.5s;
  filter: brightness(0.75) saturate(0.9);
}
.series-card:hover img {
  transform: scale(1.06);
  filter: brightness(0.9) saturate(1.1);
}
.series-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.85) 0%, rgba(8,8,8,0.1) 60%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px;
  transition: background 0.4s;
}
.series-card__num {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.series-card__title {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 300;
  color: var(--cream);
  letter-spacing: 0.04em;
}
.series-card__arrow {
  margin-top: 10px;
  width: 32px; height: 1px;
  background: var(--gold);
  position: relative;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.series-card__arrow::after {
  content: '';
  position: absolute; right: -1px; top: -3px;
  border: solid var(--gold); border-width: 0 1px 1px 0;
  display: inline-block; padding: 3px;
  transform: rotate(-45deg);
}
.series-card:hover .series-card__arrow { transform: scaleX(1); }

/* ================================================================
   PLACES GRID
================================================================ */
.places {
  padding: 0 3px 3px;
}
.places-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}
.place-card {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
}
.place-card img {
  transition: transform 0.7s var(--ease), filter 0.5s;
  filter: brightness(0.7) saturate(0.85);
}
.place-card:hover img {
  transform: scale(1.08);
  filter: brightness(0.88) saturate(1.1);
}
.place-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.8) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 20px 22px;
}
.place-card__region {
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.place-card__name {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--cream);
  letter-spacing: 0.08em;
}

/* ================================================================
   QUOTE / IMPRESSIONI
================================================================ */
.quote-section {
  padding: 140px 48px;
  text-align: center;
  position: relative;
}
.quote-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(201,169,110,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.quote-section__mark {
  font-size: 5rem;
  line-height: 0.5;
  color: var(--gold);
  font-weight: 200;
  opacity: 0.3;
  margin-bottom: 32px;
}
.quote-section__text {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 200;
  font-style: italic;
  color: var(--cream);
  max-width: 800px;
  margin-inline: auto;
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.quote-section__author {
  margin-top: 32px;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ================================================================
   DIVIDER
================================================================ */
.divider {
  width: 60px; height: 1px;
  background: var(--gold);
  margin: 0 auto;
  opacity: 0.5;
}

/* ================================================================
   FOOTER
================================================================ */
.footer {
  padding: 80px 48px 48px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer__brand__name {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 8px;
}
.footer__brand__tagline {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.footer__nav__title {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer__nav a {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 10px;
  transition: color 0.3s;
  letter-spacing: 0.05em;
}
.footer__nav a:hover { color: var(--cream); }
.footer__social {
  display: flex; flex-direction: column; gap: 12px;
}
.footer__social a {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  transition: color 0.3s;
  display: flex; align-items: center; gap: 10px;
}
.footer__social a:hover { color: var(--gold); }
.footer__social a::before {
  content: '—';
  color: var(--gold);
  font-size: 0.7rem;
}
.footer__bottom {
  padding: 24px 48px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.footer__bottom p {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ================================================================
   PROJECT PAGE — GALLERY
================================================================ */
.project-hero {
  height: 70vh;
  position: relative;
  overflow: hidden;
  background: var(--dark);
}
.project-hero__bg {
  position: absolute; inset: 0;
  transform: scale(1.05);
}
.project-hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8,8,8,0.2) 0%,
    rgba(8,8,8,0.5) 70%,
    rgba(8,8,8,1) 100%
  );
}
.project-hero__content {
  position: absolute; bottom: 60px; left: 60px; right: 60px;
  z-index: 2;
}
.project-hero__num {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.project-hero__title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 200;
  color: var(--cream);
  letter-spacing: 0.06em;
}
.project-hero__desc {
  margin-top: 16px;
  font-size: 0.9rem;
  color: rgba(240,235,227,0.65);
  max-width: 500px;
  line-height: 1.7;
}

/* Pagina Penelope: titolo lungo, testo dell'header un po' piu piccolo */
.proj-penelope .project-hero__title {
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  line-height: 1.25;
  white-space: pre-line;
}
.proj-penelope .project-hero__num { font-size: 0.6rem; }
.proj-penelope .project-hero__desc { font-size: 0.82rem; }
.proj-penelope #proj-desc { white-space: pre-line; text-align: left; }
.gallery__credit{
  max-width:720px; margin:-24px auto 48px; text-align:left;
  font-size:0.8rem; font-weight:300; font-style:normal;
  letter-spacing:0.04em; color:var(--muted);
}
.gallery__credit:empty{ display:none; }

.gallery {
  padding: 80px 60px;
  max-width: 1600px;
  margin: 0 auto;
}
.gallery__grid {
  column-count: 2;
  column-gap: 6px;
}
.gallery__item {
  break-inside: avoid;
  margin-bottom: 6px;
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--surface);
}
.gallery__item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease), filter 0.4s;
  filter: brightness(0.9);
}
.gallery__item:hover img {
  transform: scale(1.03);
  filter: brightness(1);
}
.gallery__item__caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(8,8,8,0.85), transparent);
  font-size: 0.75rem;
  color: rgba(240,235,227,0.7);
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
}
.gallery__item:hover .gallery__item__caption {
  opacity: 1; transform: translateY(0);
}

/* ================================================================
   LIGHTBOX
================================================================ */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8,8,8,0.96);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox__img {
  max-width: 90vw; max-height: 88vh;
  object-fit: contain;
  transform: scale(0.95);
  transition: transform 0.4s var(--ease);
}
.lightbox.open .lightbox__img { transform: scale(1); }
.lightbox__close {
  position: absolute; top: 28px; right: 36px;
  width: 44px; height: 44px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.lightbox__close::before, .lightbox__close::after {
  content: ''; position: absolute;
  width: 28px; height: 1px; background: var(--cream);
}
.lightbox__close::before { transform: rotate(45deg); }
.lightbox__close::after  { transform: rotate(-45deg); }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--cream); font-size: 1.5rem;
  opacity: 0.6; transition: opacity 0.2s;
}
.lightbox__nav:hover { opacity: 1; }
.lightbox__prev { left: 24px; }
.lightbox__next { right: 24px; }
.lightbox__caption {
  position: absolute; bottom: 28px;
  text-align: center; width: 100%;
  font-size: 0.75rem; color: var(--muted); letter-spacing: 0.1em;
}
.lightbox__counter {
  position: absolute; top: 28px; left: 36px;
  font-size: 0.7rem; color: var(--muted); letter-spacing: 0.2em;
}

/* ================================================================
   BACK BUTTON
================================================================ */
.back-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 60px 60px 0;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.3s;
}
.back-btn::before {
  content: '←';
  font-size: 1rem;
  color: var(--gold);
  transition: transform 0.3s;
}
.back-btn:hover { color: var(--cream); }
.back-btn:hover::before { transform: translateX(-5px); }

/* ================================================================
   PROJECT NAV (prev/next)
================================================================ */
.project-nav {
  display: flex;
  border-top: 1px solid var(--border);
}
.project-nav__item {
  flex: 1;
  padding: 48px 60px;
  transition: background 0.3s;
  cursor: pointer;
}
.project-nav__item:hover { background: var(--surface); }
.project-nav__item + .project-nav__item { border-left: 1px solid var(--border); }
.project-nav__label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.project-nav__title {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--cream);
}
.project-nav__item:last-child { text-align: right; }

/* ================================================================
   REVEAL ANIMATIONS
================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ================================================================
   KEYFRAMES
================================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1; }
}

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width: 1024px) {
  .series-grid { grid-template-columns: repeat(2, 1fr); }
  .series-card:nth-child(4n+1),
  .series-card:nth-child(7),
  .series-card:nth-child(10),
  .series-card:nth-child(11) { grid-column: span 1; grid-row: span 1; }
  .places-grid { grid-template-columns: repeat(3, 1fr); }
  .footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .nav { padding: 0 24px; }
  .nav__links { display: none; }
  .nav__links.open {
    display: flex; flex-direction: column; gap: 24px;
    position: fixed; inset: 0; top: var(--nav-h);
    background: rgba(8,8,8,0.97);
    padding: 48px 32px;
  }
  .nav__links.open a { font-size: 1.1rem; }
  .nav__toggle { display: flex; }
  .section-header { padding: 72px 24px 40px; }
  .series-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .places-grid { grid-template-columns: repeat(2, 1fr); }
  .footer { grid-template-columns: 1fr; gap: 40px; padding: 60px 24px 40px; }
  .footer__bottom { flex-direction: column; gap: 12px; padding: 20px 24px; }
  .gallery { padding: 40px 24px; }
  .gallery__grid { column-count: 1; }
  .project-hero__content { left: 24px; right: 24px; bottom: 40px; }
  .back-btn { padding: 40px 24px 0; }
  .project-nav { flex-direction: column; }
  .project-nav__item { padding: 32px 24px; }
  .project-nav__item:last-child { text-align: left; }
  .project-nav__item + .project-nav__item { border-left: none; border-top: 1px solid var(--border); }
}

/* ================================================================
   AGGIUNTE — CTA, intro galleria, sorgente, immagini mancanti
================================================================ */
.quote-cta{
  display:inline-block; font-size:0.7rem; letter-spacing:0.22em; text-transform:uppercase;
  color:var(--gold); border-bottom:1px solid var(--gold); padding-bottom:4px;
  transition:opacity .3s; font-weight:400;
}
.quote-cta:hover{ opacity:.6; }

.gallery__intro{
  max-width:720px; margin:0 auto 48px; text-align:center;
  font-size:1.05rem; font-weight:200; font-style:italic; line-height:1.7;
  color:rgba(240,235,227,0.7);
}
.gallery__source{
  text-align:center; margin-top:48px; font-size:0.75rem;
  letter-spacing:0.04em; color:var(--muted);
}
.gallery__source a{ color:var(--gold); }
.gallery__source a:hover{ text-decoration:underline; }

/* ================================================================
   CAROSELLO (scorrimento automatico, pausa + zoom su hover)
================================================================ */
.carousel{
  margin-top:40px;
  padding:56px 0 72px;
  overflow-x:clip;
  overflow-y:visible;
}
.carousel__track{
  display:flex;
  gap:14px;
  width:max-content;
  will-change:transform;
}
.carousel__track.is-running{
  animation-name:carousel-scroll;
  animation-timing-function:linear;
  animation-iteration-count:infinite;
}
.carousel:hover .carousel__track{ animation-play-state:paused; }
.carousel__slide{
  flex:0 0 auto;
  width:360px;
  height:260px;
  position:relative;
}
.carousel__slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .45s var(--ease), box-shadow .45s ease;
  transform-origin:center center;
}
.carousel__slide:hover img{
  transform:scale(1.6);
  position:relative;
  z-index:6;
  box-shadow:0 30px 70px rgba(0,0,0,0.65);
}
@keyframes carousel-scroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(calc(-1 * var(--carousel-shift, 0px))); }
}
@media (max-width: 768px){
  .carousel{ padding:40px 0 56px; }
  .carousel__slide{ width:240px; height:180px; }
  .carousel__slide:hover img{ transform:scale(1.4); }
}
@media (prefers-reduced-motion: reduce){
  .carousel__track.is-running{ animation:none; }
}

/* ================================================================
   FLIPBOOK (libro sfogliabile)
================================================================ */
.book{
  position:relative;
  margin:48px auto 16px;
  max-width:1240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  perspective:3000px;
}
.book__spread{
  position:relative;
  display:flex;
  height:min(74vh, 760px);
  aspect-ratio:3 / 2;          /* doppia pagina; aggiornato via JS dalla prima immagine */
  max-width:100%;
  transform-style:preserve-3d;
  background:var(--dark);
  box-shadow:0 32px 90px rgba(0,0,0,0.6);
}
.book__side{
  position:relative; width:50%; height:100%; overflow:visible;
  background:var(--dark); transform-style:preserve-3d;
}
.book__side img{
  width:100%; height:100%; object-fit:contain; display:block;
  position:relative; transform-origin:center center;
  transition:transform .6s cubic-bezier(.22,.61,.36,1), box-shadow .6s ease;
}
.book__side img:hover{
  transform:scale(1.4) translateZ(6px);
  box-shadow:0 30px 70px rgba(0,0,0,0.6);
  z-index:5;
}
/* ombra morbida verso la costa centrale */
.book__side--left::after, .book__side--right::before{
  content:''; position:absolute; top:0; bottom:0; width:48px; pointer-events:none; z-index:3;
}
.book__side--left::after{ right:0; background:linear-gradient(to right, transparent, rgba(0,0,0,0.28)); }
.book__side--right::before{ left:0; background:linear-gradient(to left, transparent, rgba(0,0,0,0.28)); }

.book__leaf{
  position:absolute; top:0; left:50%; width:50%; height:100%;
  transform-origin:left center;
  transform-style:preserve-3d;
  transition:transform 1.9s cubic-bezier(.42,0,.18,1);
  will-change:transform;
  z-index:4;
}
.book__leaf.no-anim{ transition:none; }
.book__leaf.is-hidden{ visibility:hidden; }
.book__face{
  position:absolute; inset:0;
  overflow:hidden;
  background:var(--dark);
  backface-visibility:hidden;
  -webkit-backface-visibility:hidden;
}
.book__face img{ width:100%; height:100%; object-fit:contain; display:block; }
.book__face--back{ transform:rotateY(180deg); }

.book__edge{
  position:absolute; top:0; height:min(74vh, 760px); width:16%;
  border:0; background:transparent; padding:0; z-index:6;
  cursor:pointer;
}
.book__edge--prev{ left:0; }
.book__edge--next{ right:0; }

.book__controls{
  position:relative; z-index:7;
  margin-top:24px;
  display:flex; align-items:center; gap:24px;
}
.book__btn{
  width:48px; height:48px; border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface); color:var(--cream);
  font-size:1.4rem; line-height:1; cursor:pointer;
  transition:background .25s, border-color .25s, color .25s;
}
.book__btn:hover{ background:var(--gold); border-color:var(--gold); color:var(--dark); }
.book__counter{
  font-size:0.8rem; letter-spacing:0.16em; color:var(--muted);
  min-width:96px; text-align:center;
}
@media (max-width:768px){
  .book__spread{ height:min(46vh, 380px); }
  .book__edge{ height:min(46vh, 380px); width:24%; }
}

/* immagine non ancora disponibile (né locale né remota) */
img.img-missing{
  opacity:0; visibility:hidden;
}
.gallery__item:has(img.img-missing){ display:none; }
.series-card img.img-missing, .place-card img.img-missing{
  opacity:1; visibility:visible;
  background:repeating-linear-gradient(45deg,#161616,#161616 12px,#1c1c1c 12px,#1c1c1c 24px);
}

/* back button piccolo refinement */
.back-btn{ text-decoration:none; }

/* ================================================================
   PROTEZIONE IMMAGINI — no drag / no selezione / no long-press
================================================================ */

/* overlay trasparente sopra l'immagine a schermo intero (lightbox) */
.lightbox__img{ position:relative; z-index:4; }
.lightbox__shield{ position:absolute; inset:0; z-index:5; cursor:zoom-out; background:transparent; }
.lightbox__close,.lightbox__nav,.lightbox__counter,.lightbox__caption{ z-index:6; }

/* ================================================================
   POPUP FOTO — solo CSS (:target), funziona anche senza JavaScript
================================================================ */
.gallery__item{ display:block; }
.imgpop{
  position:fixed; inset:0; z-index:99999; background:rgba(8,8,8,0.97);
  display:none; align-items:center; justify-content:center;
}
.imgpop:target{ display:flex; }
.imgpop > img{
  max-width:92vw; max-height:92vh; width:auto; height:auto; object-fit:contain;
  box-shadow:0 10px 60px rgba(0,0,0,0.6); -webkit-user-drag:none;
}
.imgpop__close{ position:absolute; inset:0; cursor:zoom-out; }

.book[hidden]{ display:none !important; }

/* ================================================================
   FOOTER a 4 colonne (con Luoghi) — testo ridotto
================================================================ */
.footer{ grid-template-columns: 1.3fr 1fr 1fr 1fr; gap:32px; }
.footer__nav a{ font-size:0.72rem; margin-bottom:8px; }
.footer__nav__title{ margin-bottom:14px; }
@media (max-width:1024px){ .footer{ grid-template-columns:1fr 1fr; } }
@media (max-width:768px){ .footer{ grid-template-columns:1fr; } }

/* deterrente leggero: no trascinamento immagini */
img{ -webkit-user-drag:none; user-drag:none; }

/* ================================================================
   CORRISPONDENZE — testo bilingue a due colonne (sezione impressioni)
================================================================ */
.corr{ padding:72px 3rem 96px; max-width:1400px; margin:0 auto; }
.corr-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.corr-col{ font-size:0.9rem; line-height:1.85; color:var(--text); font-weight:300; }
.corr-col p{ margin-bottom:16px; }
.corr-title{ font-size:clamp(1.7rem,2.8vw,2.4rem); font-weight:200; letter-spacing:0.08em; text-transform:uppercase; color:var(--cream); margin-bottom:10px; }
.corr-sub{ font-size:0.85rem; font-style:italic; color:var(--muted); margin-bottom:30px; }
.corr-h{ font-size:0.68rem; letter-spacing:0.3em; text-transform:uppercase; color:var(--gold); margin:26px 0 10px; }
.corr-bracket{ color:var(--gold); font-size:0.85rem; letter-spacing:0.06em; margin-bottom:12px; }
.corr-quote{ font-style:italic; color:var(--cream); border-left:2px solid var(--gold); padding-left:20px; margin:18px 0; font-size:1rem; line-height:1.6; }
.corr-note{ font-size:0.78rem; color:var(--muted); font-style:italic; }
.corr-col a{ color:var(--gold); text-decoration:underline; }
.corr-col a:hover{ opacity:0.75; }
@media (max-width:900px){ .corr{ padding:52px 1.5rem 72px; } .corr-grid{ grid-template-columns:1fr; gap:44px; } }

/* interruttore lingua IT | EN nel menu */
.nav__lang{ display:inline-flex; align-items:center; gap:8px; margin-left:8px; }
.nav__lang a{ font-size:0.7rem; letter-spacing:0.14em; color:var(--muted); }
.nav__lang a.on{ color:var(--cream); }
.nav__lang a:hover{ color:var(--gold); }
.nav__lang-sep{ color:var(--muted); font-size:0.7rem; }

/* Corrispondenze a colonna singola (una sola lingua per pagina) */
.corr-grid--single{ grid-template-columns:1fr; max-width:820px; margin:0 auto; }

/* immagine sotto Corrispondenze */
.corr-image{ max-width:380px; margin:8px auto 90px; padding:0 24px; }
.corr-image img{ width:100%; height:auto; display:block; -webkit-user-drag:none; }

/* interruttore lingua a bandierine circolari */
.nav__lang{ gap:10px; }
.nav__lang a{ display:inline-flex; width:22px; height:22px; padding:0; border-radius:50%; overflow:hidden; opacity:0.5; transition:opacity .25s, box-shadow .25s; }
.nav__lang a.on{ opacity:1; box-shadow:0 0 0 2px var(--gold); }
.nav__lang a:hover{ opacity:1; }
.nav__lang a svg{ width:100%; height:100%; display:block; }
.nav__lang-sep{ display:none; }

/* immagine del taccuino in alto a sinistra, testo che scorre accanto */
.corr-figure{ float:left; width:200px; max-width:44%; height:auto; margin:4px 28px 12px 0; -webkit-user-drag:none; }
@media (max-width:560px){ .corr-figure{ float:none; display:block; margin:0 auto 18px; width:62%; } }

/* immagine Corrispondenze sotto il testo, un po' piu' grande */
.corr-image{ max-width:480px; margin:10px auto 90px; padding:0 24px; }

/* pulsante video d'arte (discreto ma in evidenza) */
.video-wrap{ text-align:center; margin:2px 0 64px; }
.video-btn{ display:inline-flex; align-items:center; gap:12px; padding:0.7rem 1.7rem; border:1px solid var(--gold); color:var(--gold); border-radius:2px; font-size:0.66rem; letter-spacing:0.22em; text-transform:uppercase; transition:background .3s, color .3s; }
.video-btn:hover{ background:var(--gold); color:var(--dark); }
.video-btn__play{ font-size:0.72rem; line-height:1; }

/* Espressioni — poesia a 2 colonne (testo + immagine) */
.expr-2col{ max-width:640px; margin:6px auto 34px; text-align:center; }
.expr-2col__text{ font-size:1rem; font-style:italic; line-height:2; color:rgba(240,235,227,0.85); }
.expr-2col__img img{ width:100%; height:auto; display:block; -webkit-user-drag:none; }

/* firma sotto la poesia di Espressioni */
.expr-2col__credit{ font-size:0.72rem; font-style:normal; color:var(--muted); margin-top:20px; letter-spacing:0.05em; }