:root {
  --bg: #0d1117;
  --card-bg: #161b22;
  --accent: #000000;
  --text: #c9d1d9;
  --radius: 12px;
  --transition: 0.25s ease;
  --shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  font-family: "Inter", system-ui, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 40px 20px;
}

.container {
  width: 100%;
  max-width: 480px;
  text-align: center;
}

.avatar img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  object-fit: cover;
  box-shadow: var(--shadow);
}

h1 {
  margin: 16px 0 6px;
  font-size: 28px;
}

.tagline {
  color: #8b949e;
  margin-bottom: 30px;
}

.link-card {
  display: block;
  background: var(--card-bg);
  padding: 16px;
  margin: 14px 0;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 18px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), background var(--transition);
}

.link-card:hover {
  background: var(--accent);
  color: #0d1117;
  transform: translateY(-4px);
}


footer {
  margin-top: 30px;
  font-size: 14px;
  color: #8b949e;
}