/* ============================================================
   mascheroni.css — Pagina secondaria "I Mascheroni"
   Espone i mascheroni delle edizioni uno dopo l'altro: una
   sezione (.masch-row) per mascherone, larga tutto il viewport,
   alta ~1/2 viewport, divisa in 3 colonne:
     1) modello 3D (o render PNG per gli anni senza GLB)
     2) info testuali
     3) mini-slider con 3-4 immagini
   Riusa il design system di style.css / chapters.css / sections.css:
   font (Druk / Graphik), colori brand e i --page-* del capitolo.
   ============================================================ */

/* ─────────────────────────────────────────────────────────────
   PALETTE DELLA PAGINA — capitolo "carta" (chiaro), fisso.
   La home cambia i --page-* allo scroll (colorChapters.js); qui la
   pagina resta su un solo capitolo, quindi li fissiamo. chapters.css
   parte scuro (hero) → senza questo il body caricherebbe nero.
───────────────────────────────────────────────────────────── */
:root {
  --page-bg:         #FBFAF7;
  --page-fg:         #16120E;
  --page-accent:     #81251E;
  --page-accent-ink: #FFFFFF;
}

/* ─────────────────────────────────────────────────────────────
   INTRO — testata della pagina (titolo + paragrafo)
   padding-top generoso per scavalcare la navbar fixed.
───────────────────────────────────────────────────────────── */
.masch-intro {
  padding: clamp(120px, 18vh, 220px) 40px clamp(48px, 8vh, 90px);
  text-align: center;
}

.masch-intro__kicker {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--page-fg) 60%, transparent);
  margin-bottom: var(--space-4);
}

.masch-intro__title {
  text-align: center;
}
.masch-intro__title .title-line + .title-line { margin-top: 10px; }

.masch-intro__lead {
  max-width: 64ch;
  margin: clamp(24px, 4vh, 40px) auto 0;
  text-align: center;
  color: color-mix(in srgb, var(--page-fg) 82%, transparent);
}

/* Marquee del titolo — nascosto su desktop (lì vale il chip <h1>) */
.masch-intro__marquee { display: none; }
@keyframes masch-marquee { to { transform: translateX(-50%); } }

/* ─────────────────────────────────────────────────────────────
   ROW — una sezione per mascherone
   full width · min 50vh · 3 colonne. Righe alterne con un velo
   dell'accento/testo per ritmo editoriale.
───────────────────────────────────────────────────────────── */
.masch-row {
  position: relative;
  width: 100%;
  min-height: 50vh;
  display: flex;
  align-items: center;
  padding: clamp(32px, 6vh, 64px) 40px;
  border-top: 1px solid color-mix(in srgb, var(--page-fg) 16%, transparent);
}
.masch-row:last-of-type {
  border-bottom: 1px solid color-mix(in srgb, var(--page-fg) 16%, transparent);
}
/* Riga alterna: leggerissimo velo, per staccare una sezione dall'altra */
.masch-row--alt {
  background: color-mix(in srgb, var(--page-fg) 4%, transparent);
}

.masch-row__inner {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: clamp(24px, 3vw, 56px);
}

/* Numero d'ordine grande, decorativo, in alto a sinistra della riga */
.masch-row__index {
  position: absolute;
  top: clamp(14px, 2.5vh, 26px);
  left: 40px;
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 1vw, 1rem);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--page-fg) 40%, transparent);
  pointer-events: none;
}

/* ─────────────────────────────────────────────────────────────
   COLONNA 1 — modello 3D / render
───────────────────────────────────────────────────────────── */
.masch-3d {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.masch-3d__viewer {
  width: 100%;
  height: 100%;
  --poster-color: transparent;
  background: transparent;
}

/* Render PNG (anni senza GLB): galleggia lievemente come un modello */
.masch-3d__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.28));
  animation: masch-float 6s ease-in-out infinite;
}
@keyframes masch-float {
  0%, 100% { transform: translateY(-6px); }
  50%      { transform: translateY(6px); }
}
@media (prefers-reduced-motion: reduce) {
  .masch-3d__img { animation: none; }
}

/* Badge "3D interattivo" / "Render" sotto lo stage */
.masch-3d__tag {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.62rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--page-accent);
  color: var(--page-accent-ink);
  white-space: nowrap;
}

/* ─────────────────────────────────────────────────────────────
   COLONNA 2 — info testuali
───────────────────────────────────────────────────────────── */
.masch-info { min-width: 0; }

.masch-info__roman {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  color: var(--page-accent);
  margin-bottom: 10px;
}

.masch-info__year {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  color: var(--page-fg);
}

.masch-info__label {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--page-fg) 65%, transparent);
  margin-top: 8px;
}

.masch-info__desc {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1vw, 0.98rem);
  line-height: 1.55;
  color: color-mix(in srgb, var(--page-fg) 84%, transparent);
  margin-top: var(--space-4);
  max-width: 42ch;
}

/* Chip meta (palazzo · città) */
.masch-info__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.masch-info__chip {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--page-fg) 28%, transparent);
  color: color-mix(in srgb, var(--page-fg) 78%, transparent);
}

/* ─────────────────────────────────────────────────────────────
   COLONNA 3 — mini-slider (3-4 immagini)
───────────────────────────────────────────────────────────── */
.masch-slider {
  position: relative;
  width: 100%;
}

.masch-slider__viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.masch-slider__track {
  display: flex;
  height: 100%;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .masch-slider__track { transition: none; }
}

.masch-slide {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 10px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-color: color-mix(in srgb, var(--page-fg) 6%, transparent);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

/* Etichetta della slide (in basso a sinistra) */
.masch-slide__cap {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.65rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, #0E0E0C 62%, transparent);
  color: #FBFAF7;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Puntini di navigazione — centrati sotto la slide */
.masch-slider__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-3);
}
.masch-slider__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--page-fg) 28%, transparent);
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.25s ease;
}
.masch-slider__dot.is-active {
  background: var(--page-accent);
  transform: scale(1.25);
}
/* Frecce — sovrapposte ai lati della slide, centrate in verticale */
.masch-slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-lime);
  color: var(--color-on-lime);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.masch-slider__btn--prev { left: 10px; }
.masch-slider__btn--next { right: 10px; }
.masch-slider__btn:hover,
.masch-slider__btn:focus-visible {
  background: var(--color-bordeaux);
  color: var(--color-on-bordeaux);
  transform: translateY(-50%) scale(1.08);
  outline: none;
}

/* ─────────────────────────────────────────────────────────────
   FOOTER — capitolo verde fisso (identico alla home)
   La pagina vive sul capitolo "carta" (chiaro), ma il footer deve
   restare verde con testo panna e accento lime, come in index.html.
───────────────────────────────────────────────────────────── */
.footer {
  background: #004903;
  --page-fg: #F3E8CB;
  --page-accent: #BFC403;
  --page-accent-ink: #10240A;
  color: var(--page-fg);
}

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────────── */

/* Tablet: info + 3D affiancati sopra, slider sotto a tutta larghezza */
@media (max-width: 1024px) {
  .masch-row {
    min-height: 0;
    padding-block: clamp(48px, 8vh, 80px);
  }
  .masch-row__inner {
    grid-template-columns: 1fr 1fr;
    gap: clamp(24px, 4vw, 44px);
  }
  .masch-slider {
    grid-column: 1 / -1;
    max-width: 620px;
    margin-inline: auto;
  }
  .masch-row__index { left: 40px; }
}

/* Mobile: colonna unica, ordine 3D → info → slider */
@media (max-width: 768px) {
  .masch-intro { padding-inline: 20px; }

  /* ── Titolo → MARQUEE gigante a tutta larghezza ──────────────
     L'<h1> resta nel DOM ma sr-only (accessibilità/SEO); la scritta
     visibile è il marquee decorativo: font enorme (~una copia = 3
     viewport), che scorre in loop continuo. */
  .masch-intro__title {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .masch-intro__marquee {
    display: block;
    width: 100vw;
    margin-inline: calc(50% - 50vw);   /* full-bleed oltre il padding */
    overflow: hidden;
  }
  .masch-intro__marquee-track {
    display: inline-flex;
    white-space: nowrap;
    animation: masch-marquee 16s linear infinite;
    will-change: transform;
  }
  .masch-intro__marquee-track span {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 0.9;
    letter-spacing: -0.01em;
    font-size: 30vw;                   /* una copia ≈ 3 viewport di larghezza */
    color: var(--page-accent);
    padding-right: 0.16em;             /* respiro tra le ripetizioni */
  }

  .masch-row { padding-inline: 20px; }
  .masch-row__index { left: 20px; }
  .masch-row__inner {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .masch-3d { max-width: 340px; margin-inline: auto; }
  .masch-info { text-align: center; }
  .masch-info__desc,
  .masch-info__meta { margin-inline: auto; }
  .masch-info__meta { justify-content: center; }

  /* ── Slider "peek carousel" ──────────────────────────────────
     Immagine centrale in evidenza, le due adiacenti che sbucano
     ai lati (già visibili), frecce sovrapposte ai lati, puntini
     centrati sotto. Il centraggio px è gestito in mascheroni.js. */
  .masch-slider { max-width: 560px; }
  .masch-slider__track { gap: 14px; }
  .masch-slide { flex: 0 0 78%; }
  /* le adiacenti leggermente attenuate → il centro "spicca" */
  .masch-slide { transition: opacity 0.4s ease; }
  .masch-slide:not(.is-current) { opacity: 0.55; }
  .masch-slider__btn { width: 34px; height: 34px; }
  .masch-slider__btn--prev { left: 4px; }
  .masch-slider__btn--next { right: 4px; }
}

/* Reduced motion: niente marquee in movimento → torna il titolo statico
   (il chip <h1>), così la scritta resta leggibile per intero. */
@media (max-width: 768px) and (prefers-reduced-motion: reduce) {
  .masch-intro__title {
    position: static;
    width: auto; height: auto;
    margin: 0; padding: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
  }
  .masch-intro__marquee { display: none; }
}