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

body {
  background: linear-gradient(145deg, #c9d8f0 0%, #d6e4f5 45%, #d4cef0 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

main {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: #b8c8e0;
  border: 3px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #4a5a7a;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1a2340;
  letter-spacing: -0.02em;
  line-height: 1;
}

.bio {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #6a7a9a;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.375rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 1rem;
  color: #1a2340;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: #3a4a6a;
}

footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a {
  color: #7a8aaa;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #3a4a6a;
}

.footer-links span {
  color: #a0aac0;
  font-size: 0.75rem;
}

.disclaimer {
  color: #8a9ab8;
  font-size: 0.6875rem;
  line-height: 1.6;
  text-align: center;
  max-width: 380px;
}