/* Beta Banner */
.beta-banner {
  background: var(--primary-800);
  color: white;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}
.beta-banner a {
  color: var(--primary-200);
  text-decoration: none;
  font-weight: 600;
}
.beta-banner a:hover { color: white; text-decoration: underline; }

/* Header */
.header {
  position: sticky; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200); z-index: 1000;
}
.header-content {
  display: flex; justify-content: space-between; align-items: center; padding: 0.875rem 0;
}
.logo {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 1.25rem; font-weight: 700; color: var(--gray-900); text-decoration: none;
}
.logo-icon { width: 36px; height: 36px; color: var(--primary-600); }
.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-link {
  color: var(--gray-600); text-decoration: none; font-size: 0.9375rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--gray-900); }

/* Features Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  color: var(--gray-600); text-decoration: none; font-size: 0.9375rem; font-weight: 500;
  transition: color 0.2s; cursor: pointer; background: none; border: none;
  font-family: inherit; display: flex; align-items: center; gap: 0.25rem;
}
.nav-dropdown-trigger:hover { color: var(--gray-900); }
.nav-dropdown-trigger svg { width: 14px; height: 14px; transition: transform 0.2s; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; padding-top: 0.75rem; left: -1rem;
  background: white; border: 1px solid var(--gray-200); border-radius: 0.75rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.12); min-width: 260px; padding: 0.5rem;
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown:hover .nav-dropdown-trigger svg { transform: rotate(180deg); }
.nav-dropdown-item {
  display: block; padding: 0.625rem 1rem; color: var(--gray-700); text-decoration: none;
  font-size: 0.9375rem; font-weight: 500; border-radius: 0.5rem; transition: background 0.15s;
}
.nav-dropdown-item:hover { background: var(--primary-50); color: var(--primary-700); }

.mobile-menu-btn {
  display: none; background: none; border: none; cursor: pointer; padding: 0.5rem;
  color: var(--gray-700);
}

/* Responsive nav */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: white;
    padding: 1rem 1.5rem; border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); gap: 0.75rem;
  }
  .nav-links.open .nav-dropdown-menu {
    position: static; box-shadow: none; border: none; padding-left: 1rem;
    min-width: auto; display: none;
  }
  .nav-links.open .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .mobile-menu-btn { display: block; }
}