/*
 * BComm.net — Navbar Styles
 * ═══════════════════════════════════════════════════════════════════
 * PHASE 1 — READ-ONLY AFTER VALIDATION
 *
 * Depends on: tokens.css, base.css
 * ═══════════════════════════════════════════════════════════════════
 */


/* ── Navbar Shell ──────────────────────────────────────────────────────────── */

#main-navbar {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: var(--z-navbar);
  height: var(--navbar-height);
  background: transparent;
  transition:
    background var(--transition-smooth),
    box-shadow  var(--transition-smooth),
    border-color var(--transition-smooth);
  /* Prepare border-bottom */
  border-bottom: 1px solid transparent;
}

/* Scrolled state: activate glassmorphism */
#main-navbar.scrolled {
  background: var(--color-bg-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom-color: var(--color-border-blue);
  box-shadow: var(--shadow-navbar);
}


/* ── Inner Container ──────────────────────────────────────────────────────── */

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  gap: var(--space-6);
}


/* ── Logo ─────────────────────────────────────────────────────────────────── */

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
  position: relative;
}

.navbar-logo:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* SVG icon mark */
.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--color-blue-glow));
  transition: filter var(--transition-smooth);
}

.navbar-logo:hover .logo-icon {
  filter: drop-shadow(0 0 14px var(--color-blue-glow));
}

/* Wordmark */
.logo-wordmark {
  display: flex;
  align-items: baseline;
  gap: 1px;
  line-height: 1;
}

.logo-b {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-gold-light);
  letter-spacing: -0.5px;
  text-shadow: 0 0 12px var(--color-gold-glow);
}

.logo-comm {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.3px;
}

.logo-dot {
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-blue);
  margin-inline-start: 1px;
}


/* ── Desktop Nav Links ────────────────────────────────────────────────────── */

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition:
    color     var(--transition-fast),
    background var(--transition-fast);
  white-space: nowrap;
}

/* Sliding underline */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  inset-inline: var(--space-3);
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-gold));
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-smooth);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-blue-ultra-dim);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--color-text-primary);
}


/* ── Navbar Actions (right side) ─────────────────────────────────────────── */

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}


/* ── Language Toggle Pill ────────────────────────────────────────────────── */

.lang-toggle {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 0;
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    box-shadow   var(--transition-fast);
  overflow: hidden;
}

.lang-toggle:hover {
  border-color: var(--color-border-blue);
  box-shadow: var(--shadow-blue-sm);
}

.lang-toggle:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
}

/* Individual option labels */
.lang-option {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 28px;
  padding-inline: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast);
  user-select: none;
  letter-spacing: 0.4px;
}

.lang-option.is-active {
  color: var(--color-text-inverse);
}

/* Sliding pill indicator */
.lang-pill {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  border-radius: var(--radius-pill);
  transition: transform var(--transition-bounce);
  box-shadow: 0 2px 8px var(--color-gold-dim);
  z-index: 1;
}

/* When AR is active, slide pill to right */
html[lang="ar"] .lang-pill {
  transform: translateX(100%);
}


/* ── Hamburger Button ─────────────────────────────────────────────────────── */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  transition:
    background  var(--transition-fast),
    border-color var(--transition-fast);
  flex-shrink: 0;
}

.hamburger:hover {
  background: var(--color-blue-ultra-dim);
  border-color: var(--color-border-blue);
}

.hamburger-line {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-text-secondary);
  border-radius: var(--radius-pill);
  transition:
    transform  var(--transition-smooth),
    opacity    var(--transition-smooth),
    width      var(--transition-smooth);
  transform-origin: center;
}

/* X animation when open */
.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  width: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}


/* ── Mobile Overlay ──────────────────────────────────────────────────────── */

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.mobile-overlay.visible {
  opacity: 1;
  pointer-events: all;
}


/* ── Mobile Drawer ───────────────────────────────────────────────────────── */

.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  bottom: 0;
  inset-inline-end: 0;
  z-index: var(--z-drawer);
  width: min(300px, 80vw);
  background: var(--color-bg-secondary);
  border-inline-start: 1px solid var(--color-border-blue);
  box-shadow: -8px 0 48px rgba(0, 0, 0, 0.6);
  transform: translateX(110%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  padding-top: var(--navbar-height);
}

html[dir="rtl"] .mobile-drawer {
  inset-inline-end: auto;
  inset-inline-start: 0;
  border-inline-start: none;
  border-inline-end: 1px solid var(--color-border-blue);
  box-shadow: 8px 0 48px rgba(0, 0, 0, 0.6);
  transform: translateX(-110%);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-inner {
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-4) var(--space-8);
  gap: var(--space-1);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition:
    color      var(--transition-fast),
    background var(--transition-fast);
  border-inline-start: 2px solid transparent;
}

.mobile-nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-blue-ultra-dim);
  border-inline-start-color: var(--color-blue);
}

html[dir="rtl"] .mobile-nav-link {
  border-inline-start: none;
  border-inline-end: 2px solid transparent;
}

html[dir="rtl"] .mobile-nav-link:hover {
  border-inline-end-color: var(--color-blue);
}

.mobile-drawer-divider {
  height: 1px;
  background: var(--color-border-subtle);
  margin-block: var(--space-3);
  margin-inline: var(--space-4);
}


/* ── Responsive: Show hamburger on mobile/tablet ─────────────────────────── */

@media (max-width: 900px) {
  .navbar-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-drawer,
  .mobile-overlay {
    display: block;
  }
}