* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, Helvetica, sans-serif; color: #333; line-height: 1.6; }
.container { max-width: 1000px; margin: 0 auto; padding: 20px; }

.hero { background: #2c3e50; color: white; text-align: center; padding: 60px 20px; }
.hero h1 { font-size: 2.5em; margin-bottom: 10px; }
.hero p { font-size: 1.2em; }

nav { background: #34495e; text-align: center; }
nav a { color: white; text-decoration: none; display: inline-block; padding: 15px 20px; }
nav a:hover { background: #2c3e50; }

.section { padding: 50px 20px; text-align: center; }
.section.alt { background: #f4f4f4; }
.section h2 { margin-bottom: 20px; font-size: 2em; color: #2c3e50; }

.cards { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-top: 20px; }
.card { background: white; border-radius: 8px; padding: 20px; width: 250px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.card h3 { color: #2c3e50; margin-bottom: 10px; }

footer { background: #2c3e50; color: white; text-align: center; padding: 20px; }
footer a { color: #ecf0f1; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.8em; }
  nav a { display: block; }
}