:root {
  --primary: #111827;
  --accent: #2563eb;
  --light: #f9fafb;
  --text: #1f2937;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  background-color: var(--light);
  color: var(--text);
  text-align: center;
}

.container {
  width: 90%;
  max-width: 900px;
  margin: auto;
  padding: 20px 0;
}

header {
  background: var(--primary);
  color: white;
  padding: 100px 20px;
}

.subtitle {
  margin-top: 15px;
  font-size: 1.2rem;
  opacity: 0.8;
}

h2 {
  margin-bottom: 20px;
  font-size: 1.8rem;
}

.project-card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.contact {
  text-align: center;
}

footer {
  background: #e5e7eb;
  text-align: center;
  padding: 30px 10px;
  font-size: 0.9rem;
}

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

footer a:hover {
  text-decoration: underline;
}