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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaf0;
  --muted: rgba(255, 255, 255, 0.5);
  --accent: #7c9ef8;
  --tag-bg: rgba(124, 158, 248, 0.12);
  --tag-color: #a5bfff;
}

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  max-width: 560px;
  width: 100%;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c9ef8, #a78bfa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: #fff;
}

.bio {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.bio strong {
  color: var(--text);
  font-weight: 500;
}

.tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--tag-color);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 20px;
  margin: 0 2px;
  vertical-align: middle;
  border: 1px solid rgba(124, 158, 248, 0.2);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2rem;
}

.link-btn {
  display: inline-block;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.15s, border-color 0.15s;
}

.link-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.link-btn-primary {
  background: rgba(124, 158, 248, 0.15);
  border-color: rgba(124, 158, 248, 0.35);
  color: var(--accent);
}

.link-btn-primary:hover {
  background: rgba(124, 158, 248, 0.25);
}

footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .card { padding: 2rem 1.5rem; border-radius: 14px; }
  h1 { font-size: 1.4rem; }
}