  :root {
    --bg: #0f1724;
    --card: #0b1220;
    --muted: #a3adc4;
    --accent: #2dd4bf;
    --accent-2: #60a5fa;
    --radius: 14px;
  }

  html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, #071024 0%, #071234 40%, #07112b 100%);
    color: #e6eef6;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
  }

  .logo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: url('https://image2url.com/images/1760246006954-93b9e33b-65cc-435a-ad32-a2958c436774.png') no-repeat center center;
    background-size: cover;
    box-shadow: 0 0 40px rgba(45,212,191,0.3);
    border: 4px solid #0f1724;
    margin-bottom: 20px;
  }

  h1 {
    font-size: 2.5rem;
    margin: 0;
    color: var(--accent);
  }

  p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 1rem;
  }

  .buttons {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .buttons a {
    text-decoration: none;
    padding: 12px 26px;
    border-radius: var(--radius);
    font-weight: 600;
    color: white;
    transition: all 0.25s ease;
  }

  .btn-accent {
    background: var(--accent);
  }
  .btn-accent:hover {
    background: #23bfae;
  }

  .btn-outline {
    background: transparent;
    border: 2px solid var(--accent-2);
    color: var(--accent-2);
  }
  .btn-outline:hover {
    background: var(--accent-2);
    color: #0f1724;
  }

  footer {
    position: absolute;
    bottom: 20px;
    font-size: 0.85rem;
    color: var(--muted);
  }
  footer a {
    color: var(--accent-2);
    text-decoration: none;
  }
  footer a:hover {
    color: var(--accent);
  }