.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.navbar.scrolled {
  border-bottom-color: var(--border-soft);
  background: rgba(255, 255, 255, 0.92);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
}

.brand-mark {
  width: 30px;
  height: 30px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dark);
  z-index: 999;
  padding: 24px 32px 40px;
  overflow-y: auto;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  font-size: 20px;
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-primary);
}

.mobile-menu .btn {
  margin-top: 24px;
  width: 100%;
  justify-content: center;
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
  .nav-actions .btn-outline {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}