body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: #f8fafc;
    color: #111;
  }
  
  .top-nav {
    position: sticky;
    top: 0;
    background: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    z-index: 1000;
  }
  
  .nav-inner {
    max-width: 1300px;
    margin: auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-brand {
    display: flex;
    gap: 10px;
    align-items: center;
    font-weight: 600;
  }
  
  .nav-brand img { width: 34px; }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 28px;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #333;
  }
  
  .dark-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
  }
  
  .site-header {
    padding: 90px 20px;
    text-align: center;
  }
  
  .site-logo { width: 120px; }
  
  .metrics-strip {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding: 60px;
    background: #fff;
  }
  
  .metric strong {
    font-size: 2rem;
  }
  
  .filter-bar {
    text-align: center;
    margin: 40px 0;
  }
  
  .filter-bar button {
    padding: 8px 18px;
    margin: 6px;
    border-radius: 20px;
    border: 1px solid #ccc;
    background: transparent;
    cursor: pointer;
  }
  
  .filter-bar button.active {
    background: #111;
    color: #fff;
  }
  
  .grid-container {
    max-width: 1300px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
  }
  
  .card {
    background: #fff;
    padding: 35px;
    border-radius: 20px;
    cursor: pointer;
  }
  
  .btn {
    display: inline-block;
    margin-top: 18px;
    background: #111;
    color: #fff;
    padding: 10px 22px;
    border-radius: 14px;
    text-decoration: none;
  }
  
  .brand-hierarchy {
    padding: 100px 20px;
    text-align: center;
    background: #fff;
  }
  
  .tier {
    border: 1px solid #ccc;
    padding: 18px;
    border-radius: 14px;
    margin: 10px;
  }
  
  .main {
    background: #111;
    color: #fff;
  }
  
  .investor-cta {
    padding: 100px 20px;
    background: #111;
    color: #fff;
    text-align: center;
  }
  
  .modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
  }
  
  .modal-content {
    background: #fff;
    padding: 40px;
    max-width: 600px;
    margin: 10% auto;
    border-radius: 18px;
  }
  
  .close {
    float: right;
    cursor: pointer;
  }
  
  body.dark {
    background: #0f1115;
    color: #e5e7eb;
  }