<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap" rel="stylesheet">
<style>
  body {
    font-family: 'Inter', sans-serif;
  }

  header.site-header {
    background: #fff;
    border-bottom: 1px solid #eaeaea;
    padding: 1rem 0;
  }

  .site-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo img {
    height: 48px;
  }

  nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
  }

  nav li {
    position: relative;
  }

  nav a {
    text-decoration: none;
    color: #222;
    font-weight: 500;
  }

  .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 1rem;
    min-width: 200px;
    z-index: 10;
  }

  li:hover .sub-menu {
    display: block;
  }

  .sub-menu li {
    padding: 0.25rem 0;
  }

  .header-button a {
    background: #0048ff;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
  }

  /* Optional: Responsive */
  @media (max-width: 768px) {
    nav ul {
      display: none;
    }
  }
</style>