/* ==========================================================================
   MCM — components.css
   Navigazione, megamenu, bottoni, card modello, tab, gallerie, form.
   ========================================================================== */

/* --- Header e navigazione ---------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background-color 0.5s var(--ease-out), border-color 0.5s var(--ease-out);
  border-bottom: 1px solid transparent;
}

/* Sulle pagine senza hero a tutta altezza il menu non ha un immagine sotto:
   parte gia velato, altrimenti galleggerebbe sul nulla */
body:not(.has-transparent-header) .site-header,
.site-header.is-stuck {
  background: rgba(10, 10, 11, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
}

/* Nascosto scendendo, ricompare risalendo */
.site-header.is-hidden { transform: translateY(-100%); }
.site-header { transition: transform 0.45s var(--ease-out), background-color 0.5s var(--ease-out), border-color 0.5s var(--ease-out); }

.site-header__inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Wordmark tipografico: piu nitido di un logo bitmap alle dimensioni della nav */
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  line-height: 1;
  color: var(--ice);
}

.brand__sub {
  font-family: var(--font-body);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.4s var(--ease-out);
}

.brand:hover .brand__sub { color: var(--gold); }

@media (max-width: 600px) {
  .brand__sub { display: none; }
}

/* --- Menu principale ---------------------------------------------------- */

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.nav__list a,
.nav__toggle {
  position: relative;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ice);
  padding-block: 0.5rem;
  transition: color 0.4s var(--ease-out);
}

.nav__list a::after,
.nav__toggle::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease-out);
}

.nav__list a:hover::after,
.nav__list .current-menu-item > a::after,
.nav__toggle:hover::after,
.nav__toggle[aria-expanded="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__list a:hover,
.nav__toggle:hover { color: var(--gold); }

@media (max-width: 900px) {
  .nav__list { display: none; }
}

/* --- Megamenu ------------------------------------------------------------
   Overlay a tutto schermo con video di sfondo e numeri grandi dei modelli. */

.megamenu {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: grid;
  grid-template-rows: var(--nav-h) 1fr auto;
  background: var(--dark);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s var(--ease-out), visibility 0.55s;
}

.megamenu.is-open { opacity: 1; visibility: visible; }

.megamenu__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(0.4);
}

.megamenu__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--dark) 12%, rgba(10, 10, 11, 0.7) 55%, rgba(10, 10, 11, 0.9) 100%);
}

/* La barra tiene l allineamento; il bersaglio cliccabile resta il solo bottone */
.megamenu__bar {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.megamenu__close {
  padding: 0.75rem 0;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.4s var(--ease-out);
}

.megamenu__close:hover { color: var(--gold); }

.megamenu__body {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin-inline: auto;
  align-self: center;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: 2rem;
  overflow-y: auto;
}

.megamenu__models { display: grid; }

/* Riga modello: numero progressivo grande + nome + misura */
.megamenu__model {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(0.75rem, 2vh, 1.5rem);
  border-bottom: 1px solid var(--hairline);
  transition: padding-left 0.5s var(--ease-out);
}

.megamenu__model:hover { padding-left: 1.25rem; }

.megamenu__num {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.megamenu__name {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 3.75rem);
  line-height: 1.05;
  color: var(--ice);
  transition: color 0.4s var(--ease-out);
}

.megamenu__model:hover .megamenu__name { color: var(--gold-light); }

.megamenu__size {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

.megamenu__aside { display: grid; align-content: start; gap: 2.5rem; }
.megamenu__links li + li { margin-top: 0.9rem; }

.megamenu__links a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.35s var(--ease-out);
}

.megamenu__links a:hover { color: var(--ice); }

.megamenu__foot {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin-inline: auto;
  padding-block: 1.75rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* Sotto i 900px la barra in alto perde i link: il megamenu resta l unica via
   per Cantiere e Contatti, quindi la colonna di spalla deve restare visibile. */
@media (max-width: 900px) {
  .megamenu__body {
    grid-template-columns: 1fr;
    align-content: start;
    padding-top: 1rem;
    gap: 2.5rem;
  }

  .megamenu__aside {
    padding-top: 2rem;
    border-top: 1px solid var(--hairline);
  }

  .megamenu__name { font-size: clamp(1.5rem, 7vw, 2.25rem); }
}

/* Blocca lo scroll del documento mentre il megamenu e aperto */
html.mcm-locked, html.mcm-locked body { overflow: hidden; }

/* --- Bottoni ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.15rem 2.25rem;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  color: var(--dark);
  background: var(--gold);
  transition: background-color 0.45s var(--ease-out), border-color 0.45s var(--ease-out), color 0.45s var(--ease-out);
}

.btn:hover { background: var(--gold-light); border-color: var(--gold-light); }

.btn--outline {
  background: transparent;
  color: var(--ice);
  border-color: var(--hairline);
}

.btn--outline:hover {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}

/* Link testuale con freccia: la CTA discreta usata dentro le sezioni */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

.link-arrow::after {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  transition: width 0.45s var(--ease-out);
}

.link-arrow:hover::after { width: 44px; }

/* --- Card modello -------------------------------------------------------- */

.model-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--dark-2);
  border: 1px solid var(--hairline);
  transition: border-color 0.6s var(--ease-out);
}

.model-card:hover { border-color: var(--hairline-gold); }

.model-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--dark-3);
}

.model-card__media img,
.model-card__media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Zoom lento cinematografico sull immagine */
.model-card__media img { transition: transform 6s ease, opacity 0.7s var(--ease-out); }
.model-card:hover .model-card__media img { transform: scale(1.05); }

/* Il video parte solo in hover; sotto resta sempre l immagine */
.model-card__media video {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out);
}

.model-card.is-playing .model-card__media video { opacity: 1; }

.model-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  padding: 0.4rem 0.85rem;
  font-size: 0.5rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dark);
  background: var(--gold);
}

.model-card__badge--soft {
  color: var(--ice);
  background: rgba(10, 10, 11, 0.7);
  border: 1px solid var(--hairline);
}

.model-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.model-card__name {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-bottom: 0.5rem;
}

.model-card__tag {
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.model-card__specs {
  display: grid;
  /* auto-fit: i modelli storici hanno meno specifiche compilate del flagship */
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 0.75rem;
  padding-block: 1.5rem;
  margin-top: auto;
  border-top: 1px solid var(--hairline);
}

.model-card__spec-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1;
}

.model-card__spec-label {
  display: block;
  font-size: 0.5rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Tutta la card e cliccabile ma il link resta un vero <a> per SEO e tastiera */
.model-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
}

/* Modelli storici senza foto: al posto dello scatto c'e la scheda tecnica
   originale, che va mostrata intera e non ritagliata */
.model-card--doc .model-card__media img {
  object-fit: contain;
  background: var(--dark);
  padding: 0.5rem;
}

.model-card--doc:hover .model-card__media img { transform: none; }

.model-card--soon { opacity: 0.72; }
.model-card--soon .model-card__media { display: grid; place-items: center; }

.model-card__placeholder {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--muted);
  font-style: italic;
}

/* --- Tab interni ---------------------------------------------------------
   Senza JS tutti i pannelli restano visibili e impilati. */

.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

html:not(.mcm-js) .tabs__nav { display: none; }

.tabs__tab {
  position: relative;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 1.5rem;
  margin-bottom: -1.5rem;
  transition: color 0.4s var(--ease-out);
}

.tabs__tab::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}

.tabs__tab[aria-selected="true"] { color: var(--gold); }
.tabs__tab[aria-selected="true"]::after { transform: scaleX(1); }
.tabs__tab:hover { color: var(--ice); }

.tabs__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.mcm-js .tabs__panel[hidden] { display: none; }

/* Con JS il pannello attivo entra in dissolvenza */
.mcm-js .tabs__panel:not([hidden]) { animation: mcm-fade-up 0.7s var(--ease-out); }

html:not(.mcm-js) .tabs__panel + .tabs__panel { margin-top: clamp(3rem, 6vw, 5rem); }

.tabs__figure { overflow: hidden; }
.tabs__figure img { width: 100%; height: auto; transition: transform 6s ease; }
.tabs__figure:hover img { transform: scale(1.03); }

.tabs__title { margin-bottom: 1.5rem; }

.feature-list { margin-top: 2rem; }

.feature-list li {
  position: relative;
  padding-left: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.feature-list li + li { margin-top: 0.9rem; }

/* Trattino oro come bullet */
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

@media (max-width: 900px) {
  .tabs__panel { grid-template-columns: 1fr; }
}

/* Quando una linea non ha ancora dati tecnici pubblicati */
.model-card__tag--wait {
  margin-top: auto;
  padding-block: 1.5rem;
  border-top: 1px solid var(--hairline);
  color: var(--gold);
  margin-bottom: 0;
}

/* --- Card news ------------------------------------------------------------ */

.news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--dark-2);
  transition: border-color 0.6s var(--ease-out);
}

.news-card:hover { border-color: var(--hairline-gold); }

.news-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--dark-3);
}

.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}

.news-card:hover .news-card__media img { transform: scale(1.04); }

.news-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.news-card__meta {
  display: flex;
  gap: 0.6rem;
  font-size: 0.55rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.news-card__title {
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1.25;
  margin-bottom: 1.75rem;
}

.news-card__link { margin-top: auto; }

.news-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
}

/* --- Newsletter ----------------------------------------------------------- */

.newsletter {
  background: var(--dark-3);
  border-block: 1px solid var(--hairline);
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.newsletter__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.newsletter__title { margin-block: 1.25rem 1rem; }

.newsletter__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.newsletter__row .btn { white-space: nowrap; }

@media (max-width: 900px) {
  .newsletter__inner { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .newsletter__row { grid-template-columns: 1fr; align-items: stretch; }
  .newsletter__row .btn { justify-content: center; }
}

/* --- Card configurazione -------------------------------------------------- */

.config-card {
  display: flex;
  flex-direction: column;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border: 1px solid var(--hairline);
  transition: border-color 0.5s var(--ease-out), background-color 0.5s var(--ease-out);
}

.config-card:hover { border-color: var(--hairline-gold); background: rgba(176, 133, 64, 0.04); }

.config-card__name {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-bottom: 1rem;
}

.config-card__tag {
  align-self: flex-start;
  padding: 0.35rem 0.8rem;
  margin-bottom: 1.5rem;
  font-size: 0.5rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--hairline-gold);
}

.config-card__text { font-size: 0.88rem; color: var(--muted); }

/* --- Galleria modello ------------------------------------------------------ */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
}

.gallery__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--dark-3);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}

.gallery__item:hover img { transform: scale(1.03); }

/* La prima immagine occupa due colonne: rompe la griglia e da ritmo */
.gallery__item--wide { grid-column: span 2; aspect-ratio: 16 / 9; }

/* I disegni tecnici vanno su fondo chiaro, non ritagliati */
.gallery__item--plan {
  aspect-ratio: auto;
  background: var(--ice);
  padding: clamp(1rem, 2vw, 2rem);
}

.gallery__item--plan img { object-fit: contain; height: auto; }

@media (max-width: 900px) {
  .gallery__item--wide { grid-column: span 1; }
}

/* --- Elenco specifiche (scheda modello) ------------------------------------ */

.spec-table { border-top: 1px solid var(--hairline); }

.spec-table__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--hairline);
}

.spec-table__key {
  font-size: 0.6rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  align-self: center;
}

.spec-table__val {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
}

/* --- Form contatti ---------------------------------------------------------- */

.form { display: grid; gap: 1.75rem; }

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
}

@media (max-width: 600px) {
  .form__row { grid-template-columns: 1fr; }
}

.field { display: grid; gap: 0.75rem; }

.field > label {
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--ice);
  font-size: 0.95rem;
  transition: border-color 0.4s var(--ease-out);
}

.field select option { background: var(--dark-2); color: var(--ice); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}

.field textarea { resize: vertical; min-height: 140px; }

.field--check {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.9rem;
}

.field--check input { width: auto; padding: 0; margin-top: 0.35rem; accent-color: var(--gold); }

.field--check label {
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.7;
}

.form__note {
  font-size: 0.7rem;
  color: var(--muted);
}

.form__feedback {
  padding: 1.15rem 1.5rem;
  border: 1px solid var(--hairline-gold);
  font-size: 0.85rem;
}

.form__feedback--error { border-color: rgba(200, 90, 70, 0.5); }

/* Trappola anti-spam: invisibile agli umani, compilata dai bot */
.form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --- Blocco contatti ---------------------------------------------------------- */

.contact-block { display: grid; gap: 2.5rem; align-content: start; }
.contact-block--spaced { margin-top: 3rem; }

/* Struttura societaria: marchio, gruppo, distributore */
.org-block {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--hairline);
}

.org-block__row { display: grid; gap: 0.5rem; }
.org-block__row + .org-block__row { margin-top: 1.75rem; }

.org-block dd {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

.contact-block__item { display: grid; gap: 0.6rem; }

.contact-block__value {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  color: var(--ice);
  transition: color 0.4s var(--ease-out);
}

a.contact-block__value:hover { color: var(--gold); }

/* --- Paginazione e messaggi ------------------------------------------------- */

.mcm-notice {
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px dashed var(--hairline);
  color: var(--muted);
  text-align: center;
}

.mcm-pagination {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
}

.mcm-pagination .page-numbers {
  padding: 0.6rem 1rem;
  border: 1px solid var(--hairline);
  color: var(--muted);
  transition: color 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}

.mcm-pagination .page-numbers:hover,
.mcm-pagination .page-numbers.current {
  color: var(--gold);
  border-color: var(--hairline-gold);
}

/* --- Contenuto redazionale (pagine standard) --------------------------------- */

.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-block: 2.5em 0.75em; }
.prose h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); margin-block: 2em 0.6em; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { margin-block: 1.25em; padding-left: 1.5em; }
.prose li + li { margin-top: 0.5em; }
.prose a { color: var(--gold); border-bottom: 1px solid var(--hairline-gold); }
.prose a:hover { color: var(--gold-light); }
.prose img { margin-block: 2.5em; }
.prose blockquote {
  margin-block: 2.5em;
  padding-left: 2rem;
  border-left: 1px solid var(--gold);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--ice);
}