/* ============================================================
   Navigation Styles
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 11, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 106, 26, 0.10);
  box-shadow:
    0 4px 40px rgba(0, 0, 0, 0.50),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

/* Center-glow overlay on bottom border — brighter at center, fades to edges */
.nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: rgba(255, 106, 26, 0.24);
  pointer-events: none;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition);
}
.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.nav-logo:hover {
  opacity: 1;
  color: var(--orange);
  text-shadow: 0 0 16px rgba(255, 106, 26, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--orange);
  opacity: 1;
  text-shadow: 0 0 10px rgba(255, 106, 26, 0.30);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-cta .btn {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
}

/* ── Language Switcher (Temporarily Disabled) ────────────────
   Language switcher button hidden for now but structure preserved.
   To re-enable: Set ENABLE_LANGUAGE_SWITCHER = true in index.html
   and uncomment the display property below. */
.lang-btn {
  display: none; /* Temporarily hidden */
  font-weight: 600 !important;
  letter-spacing: 0.05em;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* On desktop the panel is invisible as a box; children participate in nav-inner's flex layout directly */
.nav-panel {
  display: contents;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  /* Panel hidden by default; slides in as a column dropdown when .nav-open is toggled */
  .nav-panel {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
    z-index: 99;
  }

  .nav.nav-open .nav-panel {
    display: flex;
  }

  /* Children reset inside the mobile panel */
  .nav-panel .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0;
  }

  .nav-panel .nav-cta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-dim);
  }

  .nav-panel .nav-cta .btn-ghost {
    padding: 0.55rem 0;
  }

  /* Animate hamburger bars to × when open */
  .nav.nav-open .nav-hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav.nav-open .nav-hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  .nav.nav-open .nav-hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}