:root {
  --bg: #0f1115;
  --card-bg: #171a21;
  --text: #f2f2f2;
  --muted: #9aa0aa;
  --accent: #6c8cff;
  --border: #262a33;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --card-bg: #ffffff;
    --text: #17181c;
    --muted: #5c6270;
    --accent: #3355dd;
    --border: #e3e5ea;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 4px;
  font-size: 1.6rem;
}

.handle {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.bio {
  margin: 0 0 24px;
  color: var(--text);
  line-height: 1.5;
  font-size: 0.95rem;
}

.bio a {
  color: var(--accent);
  text-decoration: none;
}

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

.cta {
  display: inline-block;
  margin: 0 0 24px;
  padding: 10px 20px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}

.cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.socials a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.15s, color 0.15s;
}

.socials a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.8rem;
}