:root {
      --primary: #f15a22;
      --dark: #1c1c1c;
      --light: #f9f9f9;
      --bg-light: #ffffff;
      --bg-dark: #121212;
      --text-dark: #1c1c1c;
      --text-light: #f4f4f4;
      --font-serif: 'Georgia', serif;
      --font-sans: 'Inter', sans-serif;
    }

    [data-theme="dark"] {
      background-color: var(--bg-dark);
      color: var(--text-light);
    }

    [data-theme="dark"] .links a {
      border-color: var(--primary);
      color: var(--primary);
    }

    [data-theme="dark"] .links a:hover {
      background: var(--primary);
      color: white;
    }

    body {
      font-family: var(--font-sans);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 4rem 1rem;
      background: var(--bg-light);
      color: var(--dark);
      min-height: 100vh;
      transition: background 0.3s, color 0.3s;
    }

    h1 {
      font-family: var(--font-serif);
      font-size: 2.5rem;
      color: var(--primary);
      margin-bottom: 0.5rem;
      text-align: center;
    }

    h2 {
      font-size: 1.2rem;
      margin-bottom: 2rem;
      font-weight: normal;
      text-align: center;
    }

    .links {
      display: flex;
      flex-direction: column;
      gap: 1.2rem;
      max-width: 400px;
      width: 100%;
    }

    .links a {
      text-decoration: none;
      padding: 1rem;
      text-align: center;
      border: 2px solid var(--primary);
      border-radius: 8px;
      font-weight: 600;
      color: var(--primary);
      transition: all 0.2s ease-in-out;
    }

    .links a:hover {
      background: var(--primary);
      color: white;
    }

    .toggle {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: none;
      border: none;
      font-size: 1.2rem;
      cursor: pointer;
      color: var(--primary);
    }

    footer {
      margin-top: 4rem;
      font-size: 0.9rem;
      color: #888;
      text-align: center;
    }

    @media (max-width: 480px) {
      h1 { font-size: 2rem; }
      h2 { font-size: 1rem; }
    }