.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  /* Solid color on the header itself: iOS 26 Safari uses it to tint the status bar area */
  background-color: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
/* Cover the strip above the sticky header (iOS status bar area, overscroll) so page
   content never shows above it while scrolling. */
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 100vh;
  background: #fff;
}
/* Blur lives on a pseudo-element: backdrop-filter on the header itself would make it
   the containing block for the fixed mobile menu and clip it to header height. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: #fff;
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
}
.site-header.is-scrolled { border-bottom-color: var(--color-line); }
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header .logo { height: 46px; }
@media (min-width: 768px) { .site-header .logo { height: 62px; } }
.site-header__actions { display: flex; align-items: center; gap: 8px; }
.site-header__call { width: 44px; padding: 0; gap: 8px; }
.site-header__call-label { display: none; }
.site-header__icon { flex: 0 0 auto; }
.site-header__book { padding-inline: 16px; }
.site-header__book-long { display: none; }
@media (min-width: 480px) { .site-header__book-short { display: none; } .site-header__book-long { display: inline; } }
@media (min-width: 1180px) {
  .site-header__call { width: auto; padding: 8px 18px; }
  .site-header__call-label { display: inline; }
}

.site-header__menu-toggle {
  width: 44px; height: 44px;
  display: grid; place-content: center; gap: 7px;
  background: none; border: 0; cursor: pointer;
}
.site-header__menu-toggle span { display: block; width: 26px; height: 1.5px; background: var(--color-primary); transition: transform var(--transition); }
.site-header__menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.25px) rotate(45deg); }
.site-header__menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.25px) rotate(-45deg); }

@media (min-width: 1024px) {
  .site-header__menu-toggle { display: none; }
}