.site-header {
  background: #0f172a;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

.brand:hover,
.top-nav a:hover {
  text-decoration: none;
}

.top-nav {
  display: flex;
  gap: 1rem;
}

.top-nav a {
  color: rgba(255, 255, 255, 0.88);
}

.hero-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.invitation-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}