/* ==========================================================================
   Section: Header + navigation + mobile menu
   States (set by nav.js on .site-header):
     .is-scrolled  → glass background, compact height, tile tucks in
     .is-hidden    → slides up while scrolling down (returns on scroll up)
     .is-ready     → entrance animation has played
   ========================================================================== */

:root {
  --header-h: 84px;
  --header-h-compact: 68px;
  --tile-w: 112px;
}
@media (max-width: 1023px) {
  :root { --header-h: 68px; --header-h-compact: 60px; --tile-w: 78px; }
}

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  transition:
    height var(--dur-slow) var(--ease-out),
    background-color var(--dur-slow) var(--ease-standard),
    box-shadow var(--dur-slow) var(--ease-standard),
    transform 480ms var(--ease-out);
}
/* Soft top shade so the bar stays legible over hero photography before scroll */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 -40px 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8,7,14,.75), rgba(8,7,14,0));
  transition: opacity var(--dur-slow) var(--ease-standard);
}
.site-header.is-scrolled {
  height: var(--header-h-compact);
  background: rgba(15,17,28,.78);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  box-shadow: 0 1px 0 var(--border-subtle), var(--shadow-md);
}
.site-header.is-scrolled::before { opacity: 0; }
.site-header.is-hidden { transform: translateY(-110%); }

.site-header__bar {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 100%;
}

/* ---------- Brand: hanging logo tile ---------- */
.site-header__brand {
  position: relative;
  align-self: flex-start;
  flex: none;
  width: var(--tile-w);
  height: 100%;
}
.logo-tile {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  display: flex;
  justify-content: center;
  width: var(--tile-w);
  padding: 16px 14px 14px;
  background: var(--gold-500);
  border-radius: 0 0 22px 22px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  transform-origin: top center;
  transition:
    transform var(--dur-slow) var(--ease-out),
    border-radius var(--dur-slow) var(--ease-out),
    background-color var(--dur-base) var(--ease-standard);
}
.logo-tile__img { width: 100%; height: auto; }
.site-header__brand:hover .logo-tile { background: var(--gold-400); }
/* Tuck the tile into the compact bar */
.site-header.is-scrolled .logo-tile {
  transform: scale(.62);
  border-radius: 0 0 26px 26px;
}
@media (max-width: 1023px) {
  .logo-tile { padding: 12px 10px 10px; border-radius: 0 0 16px 16px; }
  .site-header.is-scrolled .logo-tile { transform: scale(.72); }
}

/* ---------- Desktop nav ---------- */
.site-nav {
  position: relative;
  display: none;
  margin-inline: auto;
}
.site-nav__list { display: flex; gap: var(--space-1); }
.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding-inline: 14px;
  color: var(--text-secondary);
  font-weight: var(--weight-bold);
  font-size: 15px;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: color var(--dur-base) var(--ease-standard), background-color var(--dur-base) var(--ease-standard);
}
.site-nav__link:hover { color: var(--white); background: rgba(255,255,255,.05); }
.site-nav__link.is-active { color: var(--white); }

/* Sliding gold underline (positioned by nav.js) */
.site-nav__indicator {
  position: absolute;
  inset-block-end: 2px;
  left: 0; /* physical: nav.js measures from the left edge in both directions */
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--gold-500);
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--dur-slow) var(--ease-out),
    width var(--dur-slow) var(--ease-out),
    opacity var(--dur-base) var(--ease-standard);
}
.site-nav__indicator.is-visible { opacity: 1; }

/* ---------- Actions ---------- */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-inline-start: auto;
}


.site-header__phone {
  display: none;
  align-items: center;
  gap: var(--space-2);
  color: var(--white);
  font-weight: var(--weight-bold);
  font-size: 14px;
}
.site-header__phone:hover { color: var(--gold-300); }
.site-header__phone-icon {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1.5px solid rgba(211,157,53,.5);
  color: var(--gold-500);
  font-size: 13px;
  transition: background-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.site-header__phone:hover .site-header__phone-icon { background: var(--gold-500); color: var(--ink-900); }
.site-header__phone:hover .fa-phone { animation: bx-pulse 700ms var(--ease-standard); }

.lang-toggle {
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 36px;
  padding-inline: 10px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--white);
  font-family: var(--font-display-latin);
  font-size: 12px;
  letter-spacing: .08em;
  transition: border-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard), background-color var(--dur-base) var(--ease-standard);
}
.lang-toggle[lang="ar"] { font-family: var(--font-arabic); font-size: 16px; font-weight: var(--weight-extra); letter-spacing: 0; }
.lang-toggle:hover { border-color: var(--gold-500); color: var(--gold-500); background: rgba(211,157,53,.08); }

.site-header__cta { display: none; }

/* Burger → X */
.menu-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--gold-500);
  color: var(--ink-900);
  transition: background-color var(--dur-base) var(--ease-standard);
}
.menu-toggle:hover { background: var(--gold-400); }
.menu-toggle__bars { position: relative; display: block; width: 20px; height: 14px; }
.menu-toggle__bars span {
  position: absolute;
  inset-inline-start: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base) var(--ease-standard), width var(--dur-slow) var(--ease-out);
}
.menu-toggle__bars span:nth-child(1) { top: 0; }
.menu-toggle__bars span:nth-child(2) { top: 6px; width: 70%; }
.menu-toggle__bars span:nth-child(3) { top: 12px; }
.menu-toggle:hover .menu-toggle__bars span:nth-child(2) { width: 100%; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Breakpoints ---------- */
@media (min-width: 1024px) {
  .site-nav { display: block; }
  .site-header__cta { display: inline-flex; }
  .site-nav + .site-header__actions { margin-inline-start: 0; }
  .menu-toggle { display: none; }
}
@media (min-width: 1280px) {
  .site-header__phone { display: inline-flex; }
}

/* ---------- Entrance animation (once, on load) ---------- */
@keyframes bx-header-in { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: none; } }
@keyframes bx-tile-drop { from { transform: translateY(-100%); } to { transform: none; } }

.js .site-header:not(.is-ready) .logo-tile { animation: bx-tile-drop 800ms var(--ease-out) both; }
.js .site-header:not(.is-ready) .site-nav__list > li,
.js .site-header:not(.is-ready) .site-header__actions > * {
  animation: bx-header-in 600ms var(--ease-out) both;
}
.js .site-header:not(.is-ready) .site-nav__list > li:nth-child(1) { animation-delay: 200ms; }
.js .site-header:not(.is-ready) .site-nav__list > li:nth-child(2) { animation-delay: 260ms; }
.js .site-header:not(.is-ready) .site-nav__list > li:nth-child(3) { animation-delay: 320ms; }
.js .site-header:not(.is-ready) .site-nav__list > li:nth-child(4) { animation-delay: 380ms; }
.js .site-header:not(.is-ready) .site-nav__list > li:nth-child(5) { animation-delay: 440ms; }
.js .site-header:not(.is-ready) .site-nav__list > li:nth-child(6) { animation-delay: 500ms; }
.js .site-header:not(.is-ready) .site-header__actions > * { animation-delay: 420ms; }

/* ==========================================================================
   Mobile menu (drawer)
   ========================================================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 300;
}
.mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,0,9,.6);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-standard);
}
.mobile-menu__panel {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  width: min(420px, 88vw);
  padding: var(--space-5) var(--space-6) 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--gradient-card);
  box-shadow: var(--shadow-lg);
  transform: translateX(-100%);
  transition: transform 520ms var(--ease-out);
}
[dir="ltr"] .mobile-menu__panel { transform: translateX(100%); }

.mobile-menu.is-open .mobile-menu__backdrop { opacity: 1; }
.mobile-menu.is-open .mobile-menu__panel { transform: none; }

.mobile-menu__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu__title {
  font-size: var(--fs-caption);
  font-weight: var(--weight-bold);
  color: var(--text-muted);
  letter-spacing: .1em;
}
.mobile-menu__close {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--white);
  font-size: 18px;
  transition: border-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard), transform var(--dur-slow) var(--ease-out);
}
.mobile-menu__close:hover { border-color: var(--gold-500); color: var(--gold-500); transform: rotate(90deg); }

.mobile-menu__list { display: flex; flex-direction: column; }
.mobile-menu__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding-block: 14px;
  border-block-end: 1px solid var(--border-subtle);
  color: var(--white);
  font: var(--weight-extra) 22px/1.3 var(--font-arabic);
  transition: color var(--dur-base) var(--ease-standard), padding var(--dur-slow) var(--ease-out);
}
.mobile-menu__link:hover,
.mobile-menu__link.is-active { color: var(--gold-500); padding-inline-start: var(--space-2); }
.mobile-menu__num {
  font-family: var(--font-display-latin);
  font-size: 11px;
  color: var(--gold-500);
  letter-spacing: .1em;
}

.mobile-menu__contact { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-menu__label { font-size: var(--fs-caption); font-weight: var(--weight-bold); color: var(--text-muted); margin-block-end: var(--space-1); }
.mobile-menu__contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 40px;
  color: var(--white);
  font-weight: var(--weight-bold);
}
.mobile-menu__contact-link .fa-solid { width: 18px; color: var(--gold-500); }

.mobile-menu__foot { margin-block-start: auto; display: flex; flex-direction: column; gap: var(--space-5); }
.mobile-menu__hazard { --hazard-h: 28px; margin-inline: calc(var(--space-6) * -1); }

/* Staggered entrance of menu items */
.mobile-menu__item {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms var(--ease-out), transform 520ms var(--ease-out);
}
.mobile-menu.is-open .mobile-menu__item { opacity: 1; transform: none; }
.mobile-menu.is-open .mobile-menu__list .mobile-menu__item:nth-child(1) { transition-delay: 140ms; }
.mobile-menu.is-open .mobile-menu__list .mobile-menu__item:nth-child(2) { transition-delay: 190ms; }
.mobile-menu.is-open .mobile-menu__list .mobile-menu__item:nth-child(3) { transition-delay: 240ms; }
.mobile-menu.is-open .mobile-menu__list .mobile-menu__item:nth-child(4) { transition-delay: 290ms; }
.mobile-menu.is-open .mobile-menu__list .mobile-menu__item:nth-child(5) { transition-delay: 340ms; }
.mobile-menu.is-open .mobile-menu__list .mobile-menu__item:nth-child(6) { transition-delay: 390ms; }
.mobile-menu.is-open .mobile-menu__contact { transition-delay: 440ms; }
.mobile-menu.is-open .mobile-menu__foot { transition-delay: 500ms; }

/* Lock page scroll while the menu is open */
html.menu-open { overflow: hidden; }