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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: #0f172a;
  color: #e2e8f0;
  line-height: 1.6;
  padding: 40px 20px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 50px;
}

.avatar {
  width: 110px;
  height: 110px;
  aspect-ratio: 1 / 1;       
  border-radius: 50%;
  object-fit: cover;         
  object-position: center top; 
  display: block;
  margin: 0 auto 20px;
  border: 3px solid #38bdf8;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

h1 {
  font-size: 2rem;
  color: #ffffff;
}

.tagline {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-top: 4px;
}

.links {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.links a {
  color: #38bdf8;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid #1e293b;
  padding: 6px 14px;
  border-radius: 6px;
  background: #1e293b;
  transition: all 0.2s ease;
}

.links a:hover {
  background: #38bdf8;
  color: #0f172a;
}

section {
  margin-bottom: 40px;
}

h2 {
  font-size: 1.3rem;
  color: #f8fafc;
  border-bottom: 1px solid #334155;
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: #1e293b;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid #334155;
}

.card h3 {
  font-size: 1.1rem;
  color: #f1f5f9;
  margin-bottom: 6px;
}

.card p {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 12px;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  background: #334155;
  color: #38bdf8;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

footer {
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 60px;
}