/* ==========================================================================
   4-layout.css
   Container, sezioni, struttura generale, header e footer
   ========================================================================== */

/* --- Container --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

/* --- Sezioni ----------------------------------------------------------- */
.section {
  padding-block: var(--space-3xl);
}

.section-sm {
  padding-block: var(--space-2xl);
}

.section-lg {
  padding-block: var(--space-4xl);
}

.section-alt {
  background-color: var(--color-bianco-calce-soft);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-2xl);
  }
  .section-lg {
    padding-block: var(--space-3xl);
  }
}

/* --- Main: offset per header fixed ------------------------------------ */
main {
  padding-top: var(--header-height);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-bianco-calce);
  border-bottom: 1px solid transparent;
  z-index: var(--z-header);
  transition: border-color var(--transition-medium),
              background-color var(--transition-medium);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-blu-notte-faint);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* Logo nell'header */
.site-header__logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.site-header__logo svg,
.site-header__logo img {
  height: 44px;
  width: auto;
}

@media (max-width: 768px) {
  .site-header__logo svg,
  .site-header__logo img {
    height: 38px;
  }
}

/* Navigazione desktop
   La <nav> ora    FUORI dall'<header> (per risolvere il bug
   dello stacking context del drawer mobile). Su desktop la rendo
   posizionata fixed sulla stessa riga dell'header, larga come
   il container, con voci allineate a destra.
   pointer-events:none sul wrapper trasparente per non bloccare
   click sul logo che sta sotto, e pointer-events:auto sulle
   voci e sul lang switcher per renderle cliccabili. */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xl);
  padding-inline: var(--container-padding);
  max-width: var(--container-max);
  margin: 0 auto;
  z-index: calc(var(--z-header) + 1);
  pointer-events: none;
}

.site-nav > * {
  pointer-events: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-nav__link {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--color-blu-notte);
  position: relative;
  padding-block: var(--space-2xs);
  transition: color var(--transition-fast);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-ocra-dorata);
  transition: width var(--transition-medium);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-blu-notte);
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after {
  width: 100%;
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-label);
}

.lang-switcher__btn {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--color-blu-notte-soft);
  padding: var(--space-3xs) var(--space-2xs);
  transition: color var(--transition-fast);
}

.lang-switcher__btn:hover {
  color: var(--color-blu-notte);
}

.lang-switcher__btn.is-active {
  color: var(--color-ocra-dorata);
  font-weight: var(--fw-semibold);
}

.lang-switcher__sep {
  color: var(--color-blu-notte-faint);
}

/* --- Hamburger (solo mobile) ------------------------------------------- */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: calc(var(--z-mobile-menu) + 1);
}

.hamburger__lines {
  position: relative;
  width: 24px;
  height: 14px;
}

.hamburger__lines span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-blu-notte);
  transition: transform var(--transition-medium),
              opacity var(--transition-fast),
              top var(--transition-medium);
}

.hamburger__lines span:nth-child(1) { top: 0; }
.hamburger__lines span:nth-child(2) { top: 50%; }
.hamburger__lines span:nth-child(3) { top: 100%; }

.hamburger.is-open .hamburger__lines span:nth-child(1) {
  top: 50%;
  transform: rotate(45deg);
}

.hamburger.is-open .hamburger__lines span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open .hamburger__lines span:nth-child(3) {
  top: 50%;
  transform: rotate(-45deg);
}

/* --- Mobile menu drawer ------------------------------------------------ */
@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: 100%;
    max-width: 380px;
    height: 100%;
    margin: 0;
    padding-inline: 0;
    pointer-events: auto;
    background-color: var(--color-bianco-calce);
    border-left: 1px solid var(--color-blu-notte-faint);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: var(--space-xl);
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    z-index: 1000;
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    width: 100%;
  }

  .site-nav__link {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: var(--fw-regular);
    text-transform: none;
    letter-spacing: 0;
  }

  .site-nav__link::after {
    display: none;
  }

  .lang-switcher {
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-blu-notte-faint);
    width: 100%;
  }
}

/* Body lock quando menu mobile aperto */
body.is-menu-open {
  overflow: hidden;
}

/* Backdrop quando menu mobile aperto */
.menu-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--color-overlay);
  z-index: 900;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

@media (max-width: 900px) {
  body.is-menu-open .menu-backdrop {
    display: block;
    opacity: 1;
  }
}

/* ==========================================================================
   FOOTER — versione aggiornata
   ==========================================================================

   Cosa è cambiato rispetto a prima:
   - .site-footer__tagline RIMOSSO (era ridondante con l'hero della home)
   - .site-footer__top: 4 colonne ridistribuite con larghezze nuove
   - .site-footer__bottom: 3 gruppi (copyright | legale | credit)
   - .site-footer__legal: nuovo, raccoglie privacy + cookie + CIN + CIR
   - Tutto in flex con flex-wrap per gestire elegantemente il mobile

   ========================================================================== */

.site-footer {
  background-color: var(--color-blu-notte);
  color: var(--color-bianco-calce);
  padding-block: var(--space-3xl) var(--space-xl);
}

/* --- Top: due tier verticali --------------------------------------------
   Struttura:
   1. Tier info: 3 colonne (Le case | Contatti | Lingua), equidistribuite
   2. Tier brand: simbolo + logotipo centrati come firma del footer
   I due tier sono separati da uno spazio respiro e da una linea sottile.
   ------------------------------------------------------------------------ */
.site-footer__top {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(250, 248, 243, 0.15);
}

/* Tier 1: tre colonne di info proporzionate al peso del contenuto
   - "Le case": 3 link brevi
   - "Contatti": 4 link tra cui l'email che è il pi  lungo
   - "Lingua": solo IT · EN · DE, molto compatto
   Le proporzioni 1 / 1.8 / 0.8 bilanciano otticamente le tre colonne. */
.site-footer__info {
  display: grid;
  grid-template-columns: 1fr 1.8fr 0.8fr;
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .site-footer__info {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
  /* Il lang switcher (IT · EN · DE)    un flex container,
     quindi text-align non lo influenza: lo centriamo esplicitamente */
  .site-footer__lang {
    justify-content: center;
  }
}

/* --- Colonna Brand -----------------------------------------------------
   Simbolo + logotipo "ZAGARA" impilati e centrati nella loro colonna.
   Stessa composizione dell'hero della home (in scala ridotta) per
   creare una rima visiva tra apertura e chiusura del sito.

   Il logotipo SVG nel file ZAGARA.svg ha i colori originali; lo portiamo
   in bianco-calce con `filter` per essere leggibile sul fondo blu notte
   del footer (stessa tecnica usata nell'hero).
   ----------------------------------------------------------------------- */
/* --- Tier 2: Brand come firma del footer ---------------------------------
   Simbolo + logotipo impilati e centrati. Funge da sigillo di chiusura
   dell'identità, prima del bottom legale.
   ------------------------------------------------------------------------ */
.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
  padding-top: var(--space-md);
}

.site-footer__symbol {
  width: 72px;
  height: auto;
}

.site-footer__logotype {
  width: 140px;
  height: auto;
  /* Bianco-calce per essere leggibile sul blu notte del footer */
  filter: brightness(0) invert(1) opacity(0.95);
}

/* --- Titoli colonne ---------------------------------------------------- */
.site-footer__col-title {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--color-verde-salvia);
  margin-bottom: var(--space-md);
}

/* --- Liste link -------------------------------------------------------- */
.site-footer__list li + li {
  margin-top: var(--space-2xs);
}

.site-footer__list a {
  color: var(--color-bianco-calce);
  opacity: 0.8;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  font-size: var(--fs-body);
}

.site-footer__list a:hover {
  opacity: 1;
  color: var(--color-ocra-dorata);
}

/* --- Lang switcher ----------------------------------------------------- */
.site-footer__lang {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}

.site-footer__lang .lang-switcher__btn {
  color: var(--color-bianco-calce);
  opacity: 0.6;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.site-footer__lang .lang-switcher__btn:hover {
  opacity: 1;
}

.site-footer__lang .lang-switcher__btn.is-active {
  color: var(--color-ocra-dorata);
  opacity: 1;
}

.site-footer__lang .lang-switcher__sep {
  color: var(--color-bianco-calce);
  opacity: 0.3;
}

/* ==========================================================================
   BOTTOM: copyright | legale (policy + CIN/CIR) | credit
   Layout: flex con justify-content: space-between e flex-wrap.
   Su desktop sta in una riga sola se c'è spazio; quando va a capo,
   ogni gruppo resta unito.
   ========================================================================== */

.site-footer__bottom {
  margin-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);  
}

/* Mobile: tutto impilato a sinistra */
@media (max-width: 900px) {
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
}

/* --- Gruppo 1: copyright ----------------------------------------------- */
.site-footer__copyright {
  font-size: var(--fs-small);
  color: var(--color-bianco-calce);
  opacity: 0.6;
  margin: 0;
}

/* --- Gruppo 2: legale (policy + CIN/CIR sulla stessa riga) ------------- */
.site-footer__legal {
  font-size: var(--fs-small);
  color: var(--color-bianco-calce);
  opacity: 0.6;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs) var(--space-xs);
}

.site-footer__legal a {
  color: var(--color-bianco-calce);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(250, 248, 243, 0.3);
  transition: color var(--transition-fast),
              text-decoration-color var(--transition-fast);
}

.site-footer__legal a:hover {
  color: var(--color-ocra-dorata);
  text-decoration-color: var(--color-ocra-dorata);
}

.site-footer__legal-sep {
  opacity: 0.4;
}

.site-footer__legal-code {
  /* I codici CIN/CIR sono dati ufficiali, non link.
     Letter-spacing leggero per leggibilità dei numeri */
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

/* --- Gruppo 3: credit -------------------------------------------------- */
.site-footer__credit {
  font-size: var(--fs-small);
  color: var(--color-verde-salvia);
  margin: 0;
}

.site-footer__credit a {
  color: var(--color-verde-salvia);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.site-footer__credit a:hover {
  border-bottom-color: var(--color-verde-salvia);
}