:root {
    --bg: #ffffff;
    --text: #111111;
    --muted: #555555;
    --border: #e2e2e2;
    --btn-bg: transparent;
    --btn-hover: #f4f4f5;
    --primary-bg: #111111;
    --primary-text: #ffffff;
    --primary-hover: #333333;
  }
  
  @media (prefers-color-scheme: dark) {
    :root {
      --bg: #0e0e10;
      --text: #f4f4f5;
      --muted: #a1a1aa;
      --border: #27272a;
      --btn-bg: transparent;
      --btn-hover: #18181b;
      --primary-bg: #f4f4f5;
      --primary-text: #0e0e10;
      --primary-hover: #d4d4d8;
    }
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2.5rem 1.75rem;
    -webkit-font-smoothing: antialiased;
  }
  
  /* Full-height container aligning top nav, middle bio, and bottom icons */
  .page {
    max-width: 680px;
    width: 100%;
    min-height: calc(100vh - 5rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  
  /* Top-right buttons */
  .topbar {
    display: flex;
    justify-content: flex-end;
  }
  
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text);
    background-color: var(--btn-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: background-color 0.15s ease, transform 0.1s ease;
  }
  
  .btn:hover {
    background-color: var(--btn-hover);
  }
  
  .btn:active {
    transform: translateY(1px);
  }
  
  .btn-primary {
    background-color: var(--primary-bg);
    color: var(--primary-text);
    border-color: var(--primary-bg);
  }
  
  .btn-primary:hover {
    background-color: var(--primary-hover);
  }
  
  /* Centerpiece bio */
  .intro {
    max-width: 520px;
    margin: 3rem 0;
  }
  
  h1 {
    font-size: 2.15rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
  }
  
  .subtitle {
    font-size: 1.05rem;
    color: var(--muted);
    font-weight: 500;
    margin-bottom: 1.25rem;
  }
  
  .bio {
    font-size: 1rem;
    color: var(--muted);
  }
  
  /* Bottom-left icons */
  .socials {
    display: flex;
    align-items: center;
    gap: 1.25rem;
  }
  
  .socials a {
    color: var(--muted);
    display: inline-flex;
    transition: color 0.15s ease, transform 0.15s ease;
  }
  
  .socials a:hover {
    color: var(--text);
    transform: translateY(-2px);
  }
  
  .socials svg {
    width: 20px;
    height: 20px;
  }