header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
  z-index: 10;
}

.nav {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  width: 60px;
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  text-decoration: none;
  color: #475569;
  font-weight: 500;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}