* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; }
.feature-card { padding: 2rem; background: white; border-radius: 1rem; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.error-page { text-align: center; padding: 4rem 2rem; }
.error-page h1 { font-size: 3rem; color: #1f2937; margin-bottom: 1rem; }
.error-page a { color: #3b82f6; text-decoration: none; font-weight: 600; }