.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
    .cert-card { padding: 1.5rem; background: white; border-left: 4px solid #2563eb; border-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
    .cert-category { font-weight: 700; color: #667eea; margin-bottom: 0.5rem; font-size: 0.85rem; text-transform: uppercase; }
    .cert-name { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
    .cert-desc { font-size: 0.9rem; color: #666; margin-bottom: 1rem; }
    .cert-status { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.85rem; font-weight: 500; }
    .status-active { background: #d1fae5; color: #065f46; }
    .status-expiring { background: #fed7aa; color: #92400e; }