body { font-family: Arial, sans-serif; margin: 0; padding: 0; }
.container { max-width: 1100px; margin: auto; padding: 20px; }
.nav { background: #0a0a0a; color: #fff; padding: 15px 0; }
.nav a { color: #fff; margin: 0 10px; text-decoration: none; }
.hero { background: #f0f0f0; padding: 60px 20px; text-align: center; }
.section { padding: 40px 20px; }
.section.alt { background: #fafafa; }
.footer { background: #0a0a0a; color: #fff; text-align: center; padding: 20px; }
.btn-primary, .btn-secondary { display: inline-block; padding: 10px 20px; margin-top: 15px; text-decoration: none; border-radius: 5px; }
.btn-primary { background: #0078d7; color: #fff; }
.btn-secondary { background: #444; color: #fff; }