/* =================================================================
   Site header — sticky bar with the logo, page links and quick actions.
   Phones and tablets: logo, directions, language and the menu toggle
   (the links live in the side menu). Laptops up: the links sit inline
   and the menu toggle goes away. Gains a shadow once the page scrolls
   (.site-header--scrolled, set by js/components/site-header.js).
   ================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  border-bottom: 0.1rem solid var(--color-border);
  background: rgb(255 255 255 / 0.94);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header--scrolled {
  border-bottom-color: transparent;
  box-shadow: 0 0.4rem 2rem rgb(var(--color-ink-rgb) / 0.1);
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  height: 100%;
}

.site-header__logo { display: inline-flex; flex-shrink: 0; }

.site-header__logo-image {
  width: auto;
  height: 3.8rem;
}

/* Inline links: laptops up only */
.site-header__nav { display: none; }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-inline-start: auto;
}

.site-header__language {
  width: auto;
  min-width: 4.4rem;
  padding-inline: 1.2rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
}

/* The Arabic label uses the Arabic face; the English label keeps its tracking */
.site-header__language:lang(en) { letter-spacing: 0.04em; }

/* Directions: an icon on phones, a labelled button on laptops */
.site-header__directions-label { display: none; }

@media (min-width: 769px) {
  .site-header__logo-image { height: 4.4rem; }
}

@media (min-width: 992px) {
  .site-header__bar { gap: 3.2rem; }

  .site-header__logo-image { height: 4.8rem; }

  .site-header__nav { display: block; }

  .site-header__links {
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }

  .site-header__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 4.4rem;
    padding-inline: 1.2rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    transition: color var(--transition-base), background-color var(--transition-base);
  }

  .site-header__link:hover { color: var(--color-teal-deep); background: var(--color-teal-mist); }

  /* Current page: a short amber bar under the link */
  .site-header__link[aria-current="page"] { color: var(--color-teal-deep); }
  .site-header__link[aria-current="page"]::after {
    content: '';
    position: absolute;
    inset-inline: 1.2rem;
    bottom: 0.4rem;
    height: 0.3rem;
    border-radius: 0.2rem;
    background: var(--color-amber);
  }

  .site-header__directions {
    width: auto;
    gap: 0.8rem;
    padding-inline: 1.6rem 1.8rem;
    border-radius: var(--radius-pill);
    border-color: var(--color-teal-deep);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-bold);
  }
  .site-header__directions-label { display: inline; }

  .site-header__menu-toggle { display: none; }
}

/* ─────────────────────────── Menu toggle (hamburger ↔ close) ─────────────────────────── */

.menu-toggle__icon {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 2rem;
}

.menu-toggle__bar {
  display: block;
  height: 0.2rem;
  border-radius: 0.2rem;
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}
.menu-toggle__bar:last-child { width: 70%; }

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:first-child  { transform: translateY(0.7rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:last-child   { width: 100%; transform: translateY(-0.7rem) rotate(-45deg); }