.footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #ddd;
  padding: 10px;
  text-align: center;
  font-size: 0.9rem;
  z-index: 1001;
}

.footer a {
  margin: 0 5px;
  color: #333;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #fafafa;
  color: #1a1a1a;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

main {
  width: 100%;
  max-width: 680px;
}

.profile {
  text-align: center;
  margin-bottom: 2rem;
}

.avatar {
  width: 96px;
  height: 96px;
  background: #1a1a1a;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 600;
  margin: 0 auto 1.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.bio {
  color: #666;
  font-size: 1rem;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.links a {
  display: block;
  padding: 1rem;
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  text-align: center;
  text-decoration: none;
  color: #1a1a1a;
  font-weight: 500;
  transition: all 0.2s;
}

.links a:hover {
  border-color: #1a1a1a;
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  body {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .avatar {
    width: 80px;
    height: 80px;
    font-size: 1.75rem;
  }
}