:root {
  color-scheme: light;
  color: #111;
  background: #f7f8fb;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.profile-card {
  width: min(100%, 780px);
  background: #ffffff;
  border: 1px solid #e3e7ee;
  border-radius: 28px;
  box-shadow: 0 22px 60px rgba(16, 32, 80, 0.08);
  padding: 2rem;
}

.hero {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 2rem;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3868f7 0%, #1dbf73 100%);
  border: 4px solid #ffffff;
  box-shadow: 0 12px 30px rgba(56, 104, 247, 0.18);
}

h1 {
  font-size: clamp(2rem, 2.5vw, 2.75rem);
  margin: 0 0 0.35rem;
}

.subtitle {
  margin: 0;
  color: #475569;
  font-size: 1rem;
}

.bio,
.info-grid {
  margin-bottom: 1.75rem;
}

.bio h2,
.info-grid h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.bio p {
  margin: 0;
  line-height: 1.8;
  color: #334155;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.info-grid article {
  padding: 1.25rem;
  background: #f8fafc;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
}

.info-grid ul {
  margin: 0;
  padding-left: 1.2rem;
  color: #334155;
}

.info-grid li {
  margin-bottom: 0.5rem;
}

a {
  color: #1d4ed8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 520px) {
  .profile-card {
    padding: 1.5rem;
  }
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }
}