/* =========================================
   HEADER pagine interne — sticky con shrink on scroll
   ========================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  background: var(--black);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header__bar {
  background: var(--black);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 4vw;
  height: 84px;
  transition: height 0.25s ease, padding 0.25s ease;
}

.site-header.is-scrolled .site-header__bar {
  height: 60px;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  height: 100%;
}

.site-header__logo img {
  display: block;
  height: 56px;
  width: auto;
  transition: height 0.25s ease;
}

.site-header.is-scrolled .site-header__logo img {
  height: 38px;
}

/* lo spazio a destra è occupato visivamente dal trigger menu fixed */
.site-header__spacer {
  width: 130px;
  height: 100%;
}

/* breadcrumb integrato sotto la barra logo, ancora dentro l'header sticky */
.site-header .breadcrumb {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.7rem 4vw;
  background: #161616;
  color: rgba(255, 255, 255, 0.55);
}

.site-header .breadcrumb a { color: rgba(255, 255, 255, 0.55); text-decoration: none; }
.site-header .breadcrumb a:hover { color: var(--red); }
.site-header .breadcrumb span { color: rgba(255, 255, 255, 0.25); }
.site-header .breadcrumb strong { color: var(--white); font-weight: 600; }

/* trigger menu più piccolo quando l'header c'è */
body.has-site-header .menu-trigger {
  width: 88px;
  height: 88px;
  transition: width 0.25s ease, height 0.25s ease;
}

body.has-site-header .menu-trigger::before {
  border-width: 0 88px 88px 0;
  transition: border-width 0.25s ease;
}

body.has-site-header .menu-trigger .bars {
  top: 16px;
  right: 14px;
  width: 26px;
  height: 18px;
}

/* riduce ulteriormente quando si è scrollato */
body.has-site-header.is-scrolled-page .menu-trigger {
  width: 64px;
  height: 64px;
}

body.has-site-header.is-scrolled-page .menu-trigger::before {
  border-width: 0 64px 64px 0;
}

body.has-site-header.is-scrolled-page .menu-trigger .bars {
  top: 11px;
  right: 9px;
  width: 20px;
  height: 14px;
}

@media (max-width: 768px) {
  .site-header__bar {
    height: 64px;
    padding: 0.5rem 4vw;
  }
  .site-header.is-scrolled .site-header__bar {
    height: 52px;
  }
  .site-header__logo img {
    height: 38px;
  }
  .site-header.is-scrolled .site-header__logo img {
    height: 30px;
  }
  .site-header .breadcrumb {
    padding: 0.55rem 4vw;
    padding-right: calc(72px + 0.6rem);
    font-size: 11px;
    flex-wrap: wrap;
    row-gap: 0.25rem;
  }
  body.has-site-header .menu-trigger {
    width: 72px;
    height: 72px;
  }
  body.has-site-header .menu-trigger::before {
    border-width: 0 72px 72px 0;
  }
  body.has-site-header .menu-trigger .bars {
    top: 13px;
    right: 11px;
    width: 22px;
    height: 15px;
  }
  body.has-site-header.is-scrolled-page .menu-trigger {
    width: 56px;
    height: 56px;
  }
  body.has-site-header.is-scrolled-page .menu-trigger::before {
    border-width: 0 56px 56px 0;
  }
  body.has-site-header.is-scrolled-page .menu-trigger .bars {
    top: 9px;
    right: 8px;
    width: 18px;
    height: 12px;
  }
}