body {
  background-color: #f4f6f9;
  color: #1f2937;
}

.section-label {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #2563eb;
  margin-bottom: 0.5rem;
}

.main-title {
  font-size: 3rem;
  font-weight: 800;
}

.tech-box {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.tech-box h5 {
  font-weight: 700;
}

.architecture {
  background: #111827;
  color: #e5e7eb;
  padding: 1.2rem;
  font-family: monospace;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.project-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
  text-decoration: none;
  color: #2563eb;
}

.project-link:hover {
  text-decoration: underline;
}

footer {
  border-top: 1px solid #e5e7eb;
  font-size: 0.85rem;
}