/* Společné chování navigace; schválené rozložení obsahu zůstává na stránkách. */
.js-navigation .nav-dropdown .nav-dropdown-menu { display: none; }
.js-navigation .nav-dropdown.is-open .nav-dropdown-menu { display: block; }
.nav .nav-dropdown-menu a[aria-current="page"] { color: var(--blue); background: #edf6ff; }
.nav a:focus-visible, .nav button:focus-visible, .menu-toggle:focus-visible,
.button-primary:focus-visible, .gallery-item:focus-visible {
  outline: 3px solid var(--blue); outline-offset: 4px;
}

/* Hlavička se přepne dříve, než se její položky začnou na tabletu překrývat. */
@media (max-width: 1050px) {
  .header-inner { min-height: 80px; }
  .logo { width: 195px; }
  .menu-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    padding: 20px; background: #fff; flex-direction: column; align-items: flex-start;
    box-shadow: 0 12px 20px #0002; gap: 15px;
    max-height: calc(100vh - 80px); max-height: calc(100dvh - 80px);
    overflow-y: auto; overscroll-behavior: contain;
  }
  .nav.open { display: flex; }
  .header-actions { margin-left: auto; }
  .login { display: none; }
  .phone-button { padding: 11px; font-size: 12px; }
  .nav-dropdown { width: 100%; }
  .nav-dropdown-toggle { padding: 12px 0; }
  .nav-dropdown-menu {
    position: static; min-width: 0; width: 100%; box-shadow: none;
    margin: 3px 0 8px; padding: 4px; border-left: 3px solid var(--blue);
    border-radius: 0 5px 5px 0;
  }
}

.site-lightbox {
  position: fixed; inset: 0; width: 100%; max-width: none;
  height: 100%; max-height: none; margin: 0; padding: 50px 20px 20px;
  border: 0; background: rgba(0,0,0,.9); color: #fff;
}
.site-lightbox[open] { display: flex; align-items: center; justify-content: center; }
.site-lightbox::backdrop { background: transparent; }
.site-lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; }
.site-lightbox-close {
  position: absolute; top: 8px; right: 12px; width: 44px; height: 44px;
  border: 0; border-radius: 5px; background: #fff; color: #091725;
  font-size: 32px; line-height: 1; cursor: pointer;
}
.site-lightbox-close:focus-visible { outline: 3px solid #80bfff; outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .gallery-item img, .nav-chevron { transition: none; }
}