/* ═══════════════════════════════════════════════════
   ALSALAM UNIVERSITY — navbar.css  (FIXED v2)
   ═══════════════════════════════════════════════════ */

/* ═══ TOP BAR ═══ */
.top-bar {
  background: var(--navy-dark);
  border-bottom: 1px solid rgba(201,168,76,.18);
  font-size: .78rem;
  color: rgba(255,255,255,.75);
  position: relative; z-index: 1001;
}
.top-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; flex-wrap: nowrap; padding: 7px 0;
}
.top-bar-left {
  display: flex; gap: 14px; align-items: center; flex-shrink: 0;
}
.top-bar-left span { display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.top-bar-left i { color: var(--gold); }
.top-bar-controls {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.top-bar-right {
  display: flex; gap: 14px; align-items: center; flex-shrink: 0;
}
.top-bar-right a {
  display: flex; align-items: center; gap: 5px;
  color: var(--gold-light); transition: color .2s; white-space: nowrap;
}
.top-bar-right a:hover { color: #fff; }

/* Lang pills */
.lang-toggle {
  display: flex; border-radius: 6px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
}
.lang-btn {
  padding: 3px 10px; font-size: .72rem; font-weight: 700;
  color: rgba(255,255,255,.55); background: transparent;
  cursor: pointer; border: none; font-family: inherit;
  transition: all .2s; line-height: 1.4;
}
.lang-btn.active { background: var(--gold); color: var(--navy-dark); }
.lang-btn:not(.active):hover { color: #fff; background: rgba(255,255,255,.08); }

/* Theme toggle */
.theme-toggle {
  width: 34px; height: 18px; border-radius: 99px; border: none; cursor: pointer;
  background: rgba(255,255,255,.15); position: relative; transition: background .3s; flex-shrink: 0;
}
.theme-toggle::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%; background: var(--gold); transition: transform .3s;
}
[data-theme="dark"] .theme-toggle { background: rgba(201,168,76,.25); }
[data-theme="dark"] .theme-toggle::after { transform: translateX(16px); }

/* ═══ NAVBAR ═══ */
.navbar {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s, background .3s, padding .3s;
  will-change: transform;
}
/* When scrolled, navbar gets stronger presence */
.navbar.scrolled {
  background: var(--nav-bg);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.18); }
[data-theme="dark"] .navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.5); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; gap: 12px;
}

/* LOGO */
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; text-decoration: none; }
.nav-logo img { height: 50px; width: auto; border-radius: 8px; display: block; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.nav-logo-text .brand-ar { font-size: .92rem; font-weight: 900; color: var(--navy); }
[data-theme="dark"] .nav-logo-text .brand-ar { color: #e8edf5; }
.nav-logo-text .brand-en { font-size: .6rem; font-weight: 700; color: var(--gold-dark); letter-spacing: .5px; }

/* DESKTOP LINKS */
.nav-links {
  display: flex; align-items: center; list-style: none;
  margin: 0; padding: 0; gap: 2px; flex: 1; justify-content: center;
}
.nav-links > li > a {
  display: flex; align-items: center; gap: 4px; padding: 8px 11px; border-radius: 8px;
  font-size: .8rem; font-weight: 700; color: var(--text); transition: all .22s;
  white-space: nowrap; position: relative; text-decoration: none;
}
.nav-links > li > a::after {
  content: ''; position: absolute; bottom: 4px; left: 11px; right: 11px;
  height: 2px; border-radius: 99px; background: var(--green); transform: scaleX(0); transition: transform .25s;
}
[data-theme="dark"] .nav-links > li > a::after { background: var(--gold); }
.nav-links > li > a:hover { color: var(--green); background: var(--green-light); }
[data-theme="dark"] .nav-links > li > a:hover { color: var(--gold-light); background: rgba(201,168,76,.07); }
.nav-links > li > a:hover::after, .nav-links > li.mega-open > a::after { transform: scaleX(1); }
.nav-links > li.mega-open > a { color: var(--green); }
[data-theme="dark"] .nav-links > li.mega-open > a { color: var(--gold-light); }
.nav-chevron { font-size: .56rem; transition: transform .25s; display: inline-block; margin-inline-start: 2px; }
.nav-links > li.mega-open .nav-chevron { transform: rotate(180deg); }

.nav-cta-btn {
  background: linear-gradient(135deg, var(--navy), var(--navy-light)) !important;
  color: #fff !important; border-radius: 50px !important; padding: 9px 18px !important;
  box-shadow: 0 4px 14px rgba(27,58,107,.35);
}
.nav-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(27,58,107,.45) !important; }
.nav-cta-btn::after { display: none !important; }

/* ═══ HAMBURGER ═══ */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center;
  align-items: center; gap: 5px; width: 42px; height: 42px;
  border-radius: 10px; border: 1px solid var(--border); background: var(--bg3);
  cursor: pointer; transition: background .2s; flex-shrink: 0;
}
.nav-toggle:hover { background: rgba(27,58,107,.1); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══ MEGA BACKDROP ═══ */
.mega-backdrop {
  position: fixed; inset: 0; z-index: 998;
  background: rgba(0,0,0,.4); backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none; transition: opacity .28s;
}
.mega-backdrop.open { opacity: 1; pointer-events: all; }

/* ═══ MEGA DROPDOWN ═══ */
.mega-wrap {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  pointer-events: none;
}
.mega-dropdown {
  background: var(--card-bg); border-bottom: 1px solid var(--card-border);
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  opacity: 0; transform: translateY(-10px);
  transition: opacity .28s cubic-bezier(.4,0,.2,1), transform .28s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
}
[data-theme="dark"] .mega-dropdown { box-shadow: 0 20px 60px rgba(0,0,0,.55); }
.mega-dropdown.open { opacity: 1; transform: translateY(0); pointer-events: all; }

.mega-inner {
  max-width: 1220px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.mega-col {
  padding: 24px 20px; border-inline-end: 1px solid var(--border); transition: background .2s;
}
.mega-col:last-child { border-inline-end: none; }
.mega-col:hover { background: rgba(27,58,107,.03); }
[data-theme="dark"] .mega-col:hover { background: rgba(201,168,76,.03); }

.mega-col-img {
  width: 100%; height: 110px; border-radius: 10px; overflow: hidden;
  margin-bottom: 14px; border: 1px solid var(--card-border); position: relative;
}
.mega-col-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.mega-col:hover .mega-col-img img { transform: scale(1.06); }
.mega-col-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,28,68,.6) 0%, transparent 55%);
}
.mega-col-title {
  display: flex; align-items: flex-start; gap: 8px; font-size: .8rem; font-weight: 900;
  color: var(--green); margin-bottom: 12px; padding-bottom: 10px; border-bottom: 2px solid var(--green);
}
[data-theme="dark"] .mega-col-title { color: var(--gold-light); border-bottom-color: var(--gold); }
[data-theme="dark"] .mega-col-title { color: var(--gold-light); }
.mega-col-icon { font-size: .95rem; flex-shrink: 0; margin-top: 1px; }
.mega-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 3px; }
.mega-col ul li a {
  display: flex; align-items: center; gap: 7px; padding: 8px 10px; border-radius: 7px;
  font-size: .76rem; color: var(--text-2); font-weight: 600; transition: all .2s; text-decoration: none;
}
.mega-col ul li a::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--green);
  flex-shrink: 0; opacity: .6; transition: opacity .2s;
}
.mega-col ul li a:hover { color: var(--green); background: var(--green-light); padding-inline-start: 14px; }
[data-theme="dark"] .mega-col ul li a:hover { color: var(--gold-light); background: rgba(201,168,76,.08); }
.mega-col ul li a:hover::before { opacity: 1; }

/* ═══ MOBILE DRAWER ═══ */
.mobile-drawer {
  position: fixed; inset: 0; z-index: 1002;
  pointer-events: none; visibility: hidden;
  transition: visibility 0s .35s;
  overflow: hidden;            /* clip off-screen panel — prevents RTL drag gap */
}
.mobile-drawer.open { pointer-events: all; visibility: visible; transition: visibility 0s 0s; }

.mobile-drawer-backdrop {
  position: absolute; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(3px);
  opacity: 0; transition: opacity .32s;
}
.mobile-drawer.open .mobile-drawer-backdrop { opacity: 1; }

.mobile-drawer-panel {
  position: absolute; top: 0; bottom: 0;
  width: 88%; max-width: 340px;
  background: var(--bg2); display: flex; flex-direction: column; overflow: hidden;
  transition: transform .32s cubic-bezier(.4,0,.2,1);
}
[dir="rtl"] .mobile-drawer-panel {
  right: 0; left: auto; transform: translateX(100%);
  box-shadow: -4px 0 30px rgba(0,0,0,.35);
}
[dir="ltr"] .mobile-drawer-panel {
  left: 0; right: auto; transform: translateX(-100%);
  box-shadow: 4px 0 30px rgba(0,0,0,.35);
}
[dir="rtl"] .mobile-drawer.open .mobile-drawer-panel { transform: translateX(0); }
[dir="ltr"] .mobile-drawer.open .mobile-drawer-panel { transform: translateX(0); }

/* Drawer Header */
.drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 14px 12px; border-bottom: 1px solid var(--border);
  flex-shrink: 0; background: var(--bg2);
}
.drawer-header .nav-logo img { height: 40px; }
.drawer-header .nav-logo-text .brand-ar { font-size: .8rem; }
.drawer-header .nav-logo-text .brand-en { font-size: .56rem; }
.drawer-close {
  width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg3); color: var(--text-2); font-size: .85rem;
  display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .2s;
}
.drawer-close:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

/* Drawer Body */
.drawer-body {
  flex: 1; overflow-y: auto; padding: 10px;
  -webkit-overflow-scrolling: touch;
}
.drawer-body::-webkit-scrollbar { width: 3px; }
.drawer-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

.drawer-link {
  display: flex; align-items: center; gap: 11px; padding: 12px 12px;
  border-radius: 9px; margin-bottom: 2px; color: var(--text); font-size: .84rem;
  font-weight: 700; transition: all .2s; text-decoration: none; cursor: pointer;
}
.drawer-link:hover, .drawer-link:active { background: var(--green-light); color: var(--green); }
[data-theme="dark"] .drawer-link:hover { color: var(--gold-light); }
.drawer-link i { width: 18px; text-align: center; color: var(--text-3); font-size: .8rem; flex-shrink: 0; }

.drawer-section-title {
  font-size: .62rem; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text-3); padding: 12px 12px 5px;
}

/* Campus accordion */
.drawer-campus-toggle {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 12px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg3); margin-bottom: 4px; cursor: pointer;
  transition: border-color .2s, background .2s; user-select: none;
}
.drawer-campus-toggle:hover, .drawer-campus-toggle.dc-open { border-color: var(--gold); }
.drawer-campus-toggle.dc-open { background: rgba(201,168,76,.05); }

.drawer-campus-toggle-left { display: flex; align-items: center; gap: 9px; }
.drawer-campus-toggle-icon { font-size: 1rem; line-height: 1; }
.drawer-campus-toggle-text strong { display: block; font-size: .78rem; color: var(--text); font-weight: 800; line-height: 1.2; }
.drawer-campus-toggle-text span { font-size: .64rem; color: var(--text-3); }
.drawer-campus-toggle-arrow {
  width: 22px; height: 22px; border-radius: 6px; background: rgba(0,0,0,.05); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: .56rem; color: var(--text-3);
  transition: transform .25s, background .2s, color .2s; flex-shrink: 0;
}
[data-theme="dark"] .drawer-campus-toggle-arrow { background: rgba(255,255,255,.06); }
.drawer-campus-toggle.dc-open .drawer-campus-toggle-arrow {
  transform: rotate(180deg); background: var(--gold); color: var(--navy-dark); border-color: var(--gold);
}

.drawer-campus-links {
  max-height: 0; overflow: hidden; transition: max-height .32s cubic-bezier(.4,0,.2,1);
  padding-inline-start: 6px; margin-bottom: 2px;
}
.drawer-campus-links.open { max-height: 300px; }
.drawer-campus-links a {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 8px;
  margin-bottom: 2px; font-size: .76rem; color: var(--text-2); font-weight: 600;
  transition: all .2s; text-decoration: none;
}
.drawer-campus-links a::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--gold); flex-shrink: 0; opacity: .55; }
.drawer-campus-links a:hover, .drawer-campus-links a:active { color: var(--green); background: var(--green-light); padding-inline-start: 16px; }
[data-theme="dark"] .drawer-campus-links a:hover { color: var(--gold-light); }

/* Drawer Footer */
.drawer-footer { padding: 10px 12px 18px; border-top: 1px solid var(--border); flex-shrink: 0; background: var(--bg2); }
.drawer-cta {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 12px; border-radius: 11px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: #fff; font-weight: 800; font-size: .86rem; font-family: inherit;
  cursor: pointer; border: none; transition: all .25s;
}
.drawer-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(27,58,107,.4); }

/* ═══ RESPONSIVE BREAKPOINTS ═══ */

/* Tablet — hide desktop links */
@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  /* Hide desktop mega dropdown on mobile (uses drawer instead) */
  .mega-wrap, .mega-backdrop { display: none !important; }
}
/* Tablet: compact desktop nav */
@media (max-width: 1100px) and (min-width: 921px) {
  .nav-links > li > a { padding: 7px 8px; font-size: .74rem; }
  .nav-cta-btn { padding: 8px 14px !important; }
}

/* Mobile — top bar 2-row layout */
@media (max-width: 768px) {
  .top-bar { padding: 0; }
  .top-bar-inner { flex-direction: column; padding: 0; }

  /* Row 1: contact info */
  .top-bar-right {
    order: 1; width: 100%; justify-content: center;
    padding: 5px 16px; border-bottom: 1px solid rgba(255,255,255,.06); gap: 18px;
  }
  .tb-email { display: none; }

  /* Row 2: lang + theme */
  .top-bar-controls {
    order: 2; width: 100%; justify-content: center;
    padding: 5px 16px; gap: 14px;
  }

  /* Hide address */
  .top-bar-left { display: none; }

  /* Nav height */
  .nav-inner { height: 62px; }
  .nav-logo img { height: 44px; }
  .mega-wrap { padding-top: 0 !important; }
}

@media (max-width: 480px) {
  .top-bar-right { gap: 14px; font-size: .72rem; }
  .lang-btn { padding: 4px 10px; font-size: .68rem; }
  .nav-inner { height: 58px; }
  .nav-logo img { height: 40px; }
  .nav-logo-text .brand-en { display: none; }
}

@media (max-width: 360px) {
  .nav-logo-text .brand-ar { font-size: .74rem; }
  .nav-logo img { height: 36px; }
  .nav-toggle { width: 38px; height: 38px; }
  .top-bar-right a { font-size: .68rem; }
}