/* ============================================
   NAVBAR — with theme toggle + light-mode aware
   ============================================ */

#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: var(--t);
}

#navbar.scrolled {
  background: rgba(7,7,15,0.88);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
}

:root.light-mode #navbar.scrolled {
  background: rgba(240,242,248,0.9);
}

#navbar.hidden { transform: translateY(-100%); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 13px;
  border-radius: var(--r-sm);
  transition: var(--t);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--surface);
}

.nav-right {
  display: none;
  align-items: center;
  gap: 8px;
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--r-sm);
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: var(--t);
}

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0; bottom: 0;
  background: rgba(7,7,15,0.97);
  backdrop-filter: blur(24px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transform: translateX(100%);
  transition: transform 0.38s var(--ease);
}

:root.light-mode .mobile-menu {
  background: rgba(240,242,248,0.97);
}

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

.mobile-menu a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 11px 44px;
  border-radius: var(--r-md);
  transition: var(--t);
  width: 100%;
  text-align: center;
}

.mobile-menu a:hover { color: var(--text); background: var(--surface); }

.bmc-mobile-link { color: #b8860b !important; font-size: 1rem !important; }

.mobile-menu .btn {
  margin-top: 14px;
  width: 76%;
  justify-content: center;
}